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-rw-r--r--diff.c3129
1 files changed, 1989 insertions, 1140 deletions
diff --git a/diff.c b/diff.c
index e82b6341ee..108c187577 100644
--- a/diff.c
+++ b/diff.c
@@ -1,29 +1,45 @@
/*
* Copyright (C) 2005 Junio C Hamano
*/
-#include "cache.h"
+#include "git-compat-util.h"
+#include "abspath.h"
+#include "base85.h"
#include "config.h"
+#include "convert.h"
+#include "environment.h"
+#include "gettext.h"
#include "tempfile.h"
#include "quote.h"
#include "diff.h"
#include "diffcore.h"
#include "delta.h"
+#include "hex.h"
#include "xdiff-interface.h"
#include "color.h"
-#include "attr.h"
#include "run-command.h"
#include "utf8.h"
-#include "object-store.h"
+#include "object-store-ll.h"
#include "userdiff.h"
-#include "submodule-config.h"
#include "submodule.h"
#include "hashmap.h"
-#include "ll-merge.h"
+#include "mem-pool.h"
+#include "merge-ll.h"
#include "string-list.h"
-#include "argv-array.h"
+#include "strvec.h"
#include "graph.h"
+#include "oid-array.h"
#include "packfile.h"
+#include "pager.h"
+#include "parse-options.h"
#include "help.h"
+#include "promisor-remote.h"
+#include "dir.h"
+#include "object-file.h"
+#include "object-name.h"
+#include "read-cache-ll.h"
+#include "setup.h"
+#include "strmap.h"
+#include "ws.h"
#ifdef NO_FAST_WORKING_DIRECTORY
#define FAST_WORKING_DIRECTORY 0
@@ -33,7 +49,7 @@
static int diff_detect_rename_default;
static int diff_indent_heuristic = 1;
-static int diff_rename_limit_default = 400;
+static int diff_rename_limit_default = 1000;
static int diff_suppress_blank_empty;
static int diff_use_color_default = -1;
static int diff_color_moved_default;
@@ -46,6 +62,10 @@ static const char *diff_order_file_cfg;
int diff_auto_refresh_index = 1;
static int diff_mnemonic_prefix;
static int diff_no_prefix;
+static const char *diff_src_prefix = "a/";
+static const char *diff_dst_prefix = "b/";
+static int diff_relative;
+static int diff_stat_name_width;
static int diff_stat_graph_width;
static int diff_dirstat_permille_default = 30;
static struct diff_options default_diff_options;
@@ -103,11 +123,6 @@ static const char *color_diff_slots[] = {
[DIFF_FILE_NEW_BOLD] = "newBold",
};
-static NORETURN void die_want_option(const char *option_name)
-{
- die(_("option '%s' requires a value"), option_name);
-}
-
define_list_config_array_extra(color_diff_slots, {"plain"});
static int parse_diff_color_slot(const char *var)
@@ -126,7 +141,7 @@ static int parse_dirstat_params(struct diff_options *options, const char *params
int i;
if (*params_copy)
- string_list_split_in_place(&params, params_copy, ',', -1);
+ string_list_split_in_place(&params, params_copy, ",", -1);
for (i = 0; i < params.nr; i++) {
const char *p = params.items[i].string;
if (!strcmp(p, "changes")) {
@@ -178,6 +193,10 @@ static int parse_submodule_params(struct diff_options *options, const char *valu
options->submodule_format = DIFF_SUBMODULE_SHORT;
else if (!strcmp(value, "diff"))
options->submodule_format = DIFF_SUBMODULE_INLINE_DIFF;
+ /*
+ * Please update $__git_diff_submodule_formats in
+ * git-completion.bash when you add new formats.
+ */
else
return -1;
return 0;
@@ -204,6 +223,10 @@ long parse_algorithm_value(const char *value)
return XDF_PATIENCE_DIFF;
else if (!strcasecmp(value, "histogram"))
return XDF_HISTOGRAM_DIFF;
+ /*
+ * Please update $__git_diff_algorithms in git-completion.bash
+ * when you add new algorithms.
+ */
return -1;
}
@@ -255,7 +278,8 @@ void init_diff_ui_defaults(void)
diff_detect_rename_default = DIFF_DETECT_RENAME;
}
-int git_diff_heuristic_config(const char *var, const char *value, void *cb)
+int git_diff_heuristic_config(const char *var, const char *value,
+ void *cb UNUSED)
{
if (!strcmp(var, "diff.indentheuristic"))
diff_indent_heuristic = git_config_bool(var, value);
@@ -291,7 +315,7 @@ static int parse_color_moved(const char *arg)
return error(_("color moved setting must be one of 'no', 'default', 'blocks', 'zebra', 'dimmed-zebra', 'plain'"));
}
-static int parse_color_moved_ws(const char *arg)
+static unsigned parse_color_moved_ws(const char *arg)
{
int ret = 0;
struct string_list l = STRING_LIST_INIT_DUP;
@@ -304,7 +328,9 @@ static int parse_color_moved_ws(const char *arg)
strbuf_addstr(&sb, i->string);
strbuf_trim(&sb);
- if (!strcmp(sb.buf, "ignore-space-change"))
+ if (!strcmp(sb.buf, "no"))
+ ret = 0;
+ else if (!strcmp(sb.buf, "ignore-space-change"))
ret |= XDF_IGNORE_WHITESPACE_CHANGE;
else if (!strcmp(sb.buf, "ignore-space-at-eol"))
ret |= XDF_IGNORE_WHITESPACE_AT_EOL;
@@ -312,22 +338,27 @@ static int parse_color_moved_ws(const char *arg)
ret |= XDF_IGNORE_WHITESPACE;
else if (!strcmp(sb.buf, "allow-indentation-change"))
ret |= COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE;
- else
- error(_("ignoring unknown color-moved-ws mode '%s'"), sb.buf);
+ else {
+ ret |= COLOR_MOVED_WS_ERROR;
+ error(_("unknown color-moved-ws mode '%s', possible values are 'ignore-space-change', 'ignore-space-at-eol', 'ignore-all-space', 'allow-indentation-change'"), sb.buf);
+ }
strbuf_release(&sb);
}
if ((ret & COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) &&
- (ret & XDF_WHITESPACE_FLAGS))
- die(_("color-moved-ws: allow-indentation-change cannot be combined with other white space modes"));
+ (ret & XDF_WHITESPACE_FLAGS)) {
+ error(_("color-moved-ws: allow-indentation-change cannot be combined with other whitespace modes"));
+ ret |= COLOR_MOVED_WS_ERROR;
+ }
string_list_clear(&l, 0);
return ret;
}
-int git_diff_ui_config(const char *var, const char *value, void *cb)
+int git_diff_ui_config(const char *var, const char *value,
+ const struct config_context *ctx, void *cb)
{
if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff")) {
diff_use_color_default = git_config_colorbool(var, value);
@@ -341,20 +372,24 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
return 0;
}
if (!strcmp(var, "diff.colormovedws")) {
- int cm = parse_color_moved_ws(value);
- if (cm < 0)
+ unsigned cm;
+ if (!value)
+ return config_error_nonbool(var);
+ cm = parse_color_moved_ws(value);
+ if (cm & COLOR_MOVED_WS_ERROR)
return -1;
diff_color_moved_ws_default = cm;
return 0;
}
if (!strcmp(var, "diff.context")) {
- diff_context_default = git_config_int(var, value);
+ diff_context_default = git_config_int(var, value, ctx->kvi);
if (diff_context_default < 0)
return -1;
return 0;
}
if (!strcmp(var, "diff.interhunkcontext")) {
- diff_interhunk_context_default = git_config_int(var, value);
+ diff_interhunk_context_default = git_config_int(var, value,
+ ctx->kvi);
if (diff_interhunk_context_default < 0)
return -1;
return 0;
@@ -375,8 +410,22 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
diff_no_prefix = git_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "diff.srcprefix")) {
+ return git_config_string(&diff_src_prefix, var, value);
+ }
+ if (!strcmp(var, "diff.dstprefix")) {
+ return git_config_string(&diff_dst_prefix, var, value);
+ }
+ if (!strcmp(var, "diff.relative")) {
+ diff_relative = git_config_bool(var, value);
+ return 0;
+ }
+ if (!strcmp(var, "diff.statnamewidth")) {
+ diff_stat_name_width = git_config_int(var, value, ctx->kvi);
+ return 0;
+ }
if (!strcmp(var, "diff.statgraphwidth")) {
- diff_stat_graph_width = git_config_int(var, value);
+ diff_stat_graph_width = git_config_int(var, value, ctx->kvi);
return 0;
}
if (!strcmp(var, "diff.external"))
@@ -386,10 +435,15 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
if (!strcmp(var, "diff.orderfile"))
return git_config_pathname(&diff_order_file_cfg, var, value);
- if (!strcmp(var, "diff.ignoresubmodules"))
+ if (!strcmp(var, "diff.ignoresubmodules")) {
+ if (!value)
+ return config_error_nonbool(var);
handle_ignore_submodules_arg(&default_diff_options, value);
+ }
if (!strcmp(var, "diff.submodule")) {
+ if (!value)
+ return config_error_nonbool(var);
if (parse_submodule_params(&default_diff_options, value))
warning(_("Unknown value for 'diff.submodule' config variable: '%s'"),
value);
@@ -397,32 +451,28 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
}
if (!strcmp(var, "diff.algorithm")) {
+ if (!value)
+ return config_error_nonbool(var);
diff_algorithm = parse_algorithm_value(value);
if (diff_algorithm < 0)
- return -1;
- return 0;
- }
-
- if (!strcmp(var, "diff.wserrorhighlight")) {
- int val = parse_ws_error_highlight(value);
- if (val < 0)
- return -1;
- ws_error_highlight_default = val;
+ return error(_("unknown value for config '%s': %s"),
+ var, value);
return 0;
}
if (git_color_config(var, value, cb) < 0)
return -1;
- return git_diff_basic_config(var, value, cb);
+ return git_diff_basic_config(var, value, ctx, cb);
}
-int git_diff_basic_config(const char *var, const char *value, void *cb)
+int git_diff_basic_config(const char *var, const char *value,
+ const struct config_context *ctx, void *cb)
{
const char *name;
if (!strcmp(var, "diff.renamelimit")) {
- diff_rename_limit_default = git_config_int(var, value);
+ diff_rename_limit_default = git_config_int(var, value, ctx->kvi);
return 0;
}
@@ -439,6 +489,18 @@ int git_diff_basic_config(const char *var, const char *value, void *cb)
return color_parse(value, diff_colors[slot]);
}
+ if (!strcmp(var, "diff.wserrorhighlight")) {
+ int val;
+ if (!value)
+ return config_error_nonbool(var);
+ val = parse_ws_error_highlight(value);
+ if (val < 0)
+ return error(_("unknown value for config '%s': %s"),
+ var, value);
+ ws_error_highlight_default = val;
+ return 0;
+ }
+
/* like GNU diff's --suppress-blank-empty option */
if (!strcmp(var, "diff.suppressblankempty") ||
/* for backwards compatibility */
@@ -449,6 +511,8 @@ int git_diff_basic_config(const char *var, const char *value, void *cb)
if (!strcmp(var, "diff.dirstat")) {
struct strbuf errmsg = STRBUF_INIT;
+ if (!value)
+ return config_error_nonbool(var);
default_diff_options.dirstat_permille = diff_dirstat_permille_default;
if (parse_dirstat_params(&default_diff_options, value, &errmsg))
warning(_("Found errors in 'diff.dirstat' config variable:\n%s"),
@@ -461,19 +525,19 @@ int git_diff_basic_config(const char *var, const char *value, void *cb)
if (git_diff_heuristic_config(var, value, cb) < 0)
return -1;
- return git_default_config(var, value, cb);
+ return git_default_config(var, value, ctx, cb);
}
static char *quote_two(const char *one, const char *two)
{
- int need_one = quote_c_style(one, NULL, NULL, 1);
- int need_two = quote_c_style(two, NULL, NULL, 1);
+ int need_one = quote_c_style(one, NULL, NULL, CQUOTE_NODQ);
+ int need_two = quote_c_style(two, NULL, NULL, CQUOTE_NODQ);
struct strbuf res = STRBUF_INIT;
if (need_one + need_two) {
strbuf_addch(&res, '"');
- quote_c_style(one, &res, NULL, 1);
- quote_c_style(two, &res, NULL, 1);
+ quote_c_style(one, &res, NULL, CQUOTE_NODQ);
+ quote_c_style(two, &res, NULL, CQUOTE_NODQ);
strbuf_addch(&res, '"');
} else {
strbuf_addstr(&res, one);
@@ -489,7 +553,7 @@ static const char *external_diff(void)
if (done_preparing)
return external_diff_cmd;
- external_diff_cmd = getenv("GIT_EXTERNAL_DIFF");
+ external_diff_cmd = xstrdup_or_null(getenv("GIT_EXTERNAL_DIFF"));
if (!external_diff_cmd)
external_diff_cmd = external_diff_cmd_cfg;
done_preparing = 1;
@@ -562,7 +626,7 @@ static int fill_mmfile(struct repository *r, mmfile_t *mf,
mf->size = 0;
return 0;
}
- else if (diff_populate_filespec(r, one, 0))
+ else if (diff_populate_filespec(r, one, NULL))
return -1;
mf->ptr = one->data;
@@ -574,13 +638,17 @@ static int fill_mmfile(struct repository *r, mmfile_t *mf,
static unsigned long diff_filespec_size(struct repository *r,
struct diff_filespec *one)
{
+ struct diff_populate_filespec_options dpf_options = {
+ .check_size_only = 1,
+ };
+
if (!DIFF_FILE_VALID(one))
return 0;
- diff_populate_filespec(r, one, CHECK_SIZE_ONLY);
+ diff_populate_filespec(r, one, &dpf_options);
return one->size;
}
-static int count_trailing_blank(mmfile_t *mf, unsigned ws_rule)
+static int count_trailing_blank(mmfile_t *mf)
{
char *ptr = mf->ptr;
long size = mf->size;
@@ -598,7 +666,7 @@ static int count_trailing_blank(mmfile_t *mf, unsigned ws_rule)
for (prev_eol = ptr; mf->ptr <= prev_eol; prev_eol--)
if (*prev_eol == '\n')
break;
- if (!ws_blank_line(prev_eol + 1, ptr - prev_eol, ws_rule))
+ if (!ws_blank_line(prev_eol + 1, ptr - prev_eol))
break;
cnt++;
ptr = prev_eol - 1;
@@ -610,9 +678,8 @@ static void check_blank_at_eof(mmfile_t *mf1, mmfile_t *mf2,
struct emit_callback *ecbdata)
{
int l1, l2, at;
- unsigned ws_rule = ecbdata->ws_rule;
- l1 = count_trailing_blank(mf1, ws_rule);
- l2 = count_trailing_blank(mf2, ws_rule);
+ l1 = count_trailing_blank(mf1);
+ l2 = count_trailing_blank(mf2);
if (l2 <= l1) {
ecbdata->blank_at_eof_in_preimage = 0;
ecbdata->blank_at_eof_in_postimage = 0;
@@ -750,15 +817,18 @@ struct emitted_diff_symbol {
const char *line;
int len;
int flags;
+ int indent_off; /* Offset to first non-whitespace character */
+ int indent_width; /* The visual width of the indentation */
+ unsigned id;
enum diff_symbol s;
};
-#define EMITTED_DIFF_SYMBOL_INIT {NULL}
+#define EMITTED_DIFF_SYMBOL_INIT { 0 }
struct emitted_diff_symbols {
struct emitted_diff_symbol *buf;
int nr, alloc;
};
-#define EMITTED_DIFF_SYMBOLS_INIT {NULL, 0, 0}
+#define EMITTED_DIFF_SYMBOLS_INIT { 0 }
static void append_emitted_diff_symbol(struct diff_options *o,
struct emitted_diff_symbol *e)
@@ -774,258 +844,270 @@ static void append_emitted_diff_symbol(struct diff_options *o,
f->line = e->line ? xmemdupz(e->line, e->len) : NULL;
}
+static void free_emitted_diff_symbols(struct emitted_diff_symbols *e)
+{
+ if (!e)
+ return;
+ free(e->buf);
+ free(e);
+}
+
struct moved_entry {
- struct hashmap_entry ent;
const struct emitted_diff_symbol *es;
struct moved_entry *next_line;
+ struct moved_entry *next_match;
};
-/**
- * The struct ws_delta holds white space differences between moved lines, i.e.
- * between '+' and '-' lines that have been detected to be a move.
- * The string contains the difference in leading white spaces, before the
- * rest of the line is compared using the white space config for move
- * coloring. The current_longer indicates if the first string in the
- * comparision is longer than the second.
- */
-struct ws_delta {
- char *string;
- unsigned int current_longer : 1;
-};
-#define WS_DELTA_INIT { NULL, 0 }
-
struct moved_block {
struct moved_entry *match;
- struct ws_delta wsd;
+ int wsd; /* The whitespace delta of this block */
};
-static void moved_block_clear(struct moved_block *b)
-{
- FREE_AND_NULL(b->wsd.string);
- b->match = NULL;
+#define INDENT_BLANKLINE INT_MIN
+
+static void fill_es_indent_data(struct emitted_diff_symbol *es)
+{
+ unsigned int off = 0, i;
+ int width = 0, tab_width = es->flags & WS_TAB_WIDTH_MASK;
+ const char *s = es->line;
+ const int len = es->len;
+
+ /* skip any \v \f \r at start of indentation */
+ while (s[off] == '\f' || s[off] == '\v' ||
+ (s[off] == '\r' && off < len - 1))
+ off++;
+
+ /* calculate the visual width of indentation */
+ while(1) {
+ if (s[off] == ' ') {
+ width++;
+ off++;
+ } else if (s[off] == '\t') {
+ width += tab_width - (width % tab_width);
+ while (s[++off] == '\t')
+ width += tab_width;
+ } else {
+ break;
+ }
+ }
+
+ /* check if this line is blank */
+ for (i = off; i < len; i++)
+ if (!isspace(s[i]))
+ break;
+
+ if (i == len) {
+ es->indent_width = INDENT_BLANKLINE;
+ es->indent_off = len;
+ } else {
+ es->indent_off = off;
+ es->indent_width = width;
+ }
}
static int compute_ws_delta(const struct emitted_diff_symbol *a,
- const struct emitted_diff_symbol *b,
- struct ws_delta *out)
+ const struct emitted_diff_symbol *b)
{
- const struct emitted_diff_symbol *longer = a->len > b->len ? a : b;
- const struct emitted_diff_symbol *shorter = a->len > b->len ? b : a;
- int d = longer->len - shorter->len;
-
- if (strncmp(longer->line + d, shorter->line, shorter->len))
- return 0;
+ int a_width = a->indent_width,
+ b_width = b->indent_width;
- out->string = xmemdupz(longer->line, d);
- out->current_longer = (a == longer);
+ if (a_width == INDENT_BLANKLINE && b_width == INDENT_BLANKLINE)
+ return INDENT_BLANKLINE;
- return 1;
+ return a_width - b_width;
}
-static int cmp_in_block_with_wsd(const struct diff_options *o,
- const struct moved_entry *cur,
- const struct moved_entry *match,
- struct moved_block *pmb,
- int n)
+static int cmp_in_block_with_wsd(const struct moved_entry *cur,
+ const struct emitted_diff_symbol *l,
+ struct moved_block *pmb)
{
- struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
- int al = cur->es->len, cl = l->len;
- const char *a = cur->es->line,
- *b = match->es->line,
- *c = l->line;
-
- int wslen;
+ int a_width = cur->es->indent_width, b_width = l->indent_width;
+ int delta;
- /*
- * We need to check if 'cur' is equal to 'match'.
- * As those are from the same (+/-) side, we do not need to adjust for
- * indent changes. However these were found using fuzzy matching
- * so we do have to check if they are equal.
- */
- if (strcmp(a, b))
+ /* The text of each line must match */
+ if (cur->es->id != l->id)
return 1;
- if (!pmb->wsd.string)
- /*
- * The white space delta is not active? This can happen
- * when we exit early in this function.
- */
- return 1;
+ /*
+ * If 'l' and 'cur' are both blank then we don't need to check the
+ * indent. We only need to check cur as we know the strings match.
+ * */
+ if (a_width == INDENT_BLANKLINE)
+ return 0;
/*
- * The indent changes of the block are known and stored in
- * pmb->wsd; however we need to check if the indent changes of the
- * current line are still the same as before.
- *
- * To do so we need to compare 'l' to 'cur', adjusting the
- * one of them for the white spaces, depending which was longer.
+ * The indent changes of the block are known and stored in pmb->wsd;
+ * however we need to check if the indent changes of the current line
+ * match those of the current block.
*/
+ delta = b_width - a_width;
- wslen = strlen(pmb->wsd.string);
- if (pmb->wsd.current_longer) {
- c += wslen;
- cl -= wslen;
- } else {
- a += wslen;
- al -= wslen;
- }
-
- if (al != cl || memcmp(a, c, al))
- return 1;
+ /*
+ * If the previous lines of this block were all blank then set its
+ * whitespace delta.
+ */
+ if (pmb->wsd == INDENT_BLANKLINE)
+ pmb->wsd = delta;
- return 0;
+ return delta != pmb->wsd;
}
-static int moved_entry_cmp(const void *hashmap_cmp_fn_data,
- const void *entry,
- const void *entry_or_key,
- const void *keydata)
+struct interned_diff_symbol {
+ struct hashmap_entry ent;
+ struct emitted_diff_symbol *es;
+};
+
+static int interned_diff_symbol_cmp(const void *hashmap_cmp_fn_data,
+ const struct hashmap_entry *eptr,
+ const struct hashmap_entry *entry_or_key,
+ const void *keydata UNUSED)
{
const struct diff_options *diffopt = hashmap_cmp_fn_data;
- const struct moved_entry *a = entry;
- const struct moved_entry *b = entry_or_key;
+ const struct emitted_diff_symbol *a, *b;
unsigned flags = diffopt->color_moved_ws_handling
& XDF_WHITESPACE_FLAGS;
- if (diffopt->color_moved_ws_handling &
- COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
- /*
- * As there is not specific white space config given,
- * we'd need to check for a new block, so ignore all
- * white space. The setup of the white space
- * configuration for the next block is done else where
- */
- flags |= XDF_IGNORE_WHITESPACE;
+ a = container_of(eptr, const struct interned_diff_symbol, ent)->es;
+ b = container_of(entry_or_key, const struct interned_diff_symbol, ent)->es;
- return !xdiff_compare_lines(a->es->line, a->es->len,
- b->es->line, b->es->len,
- flags);
+ return !xdiff_compare_lines(a->line + a->indent_off,
+ a->len - a->indent_off,
+ b->line + b->indent_off,
+ b->len - b->indent_off, flags);
}
-static struct moved_entry *prepare_entry(struct diff_options *o,
- int line_no)
+static void prepare_entry(struct diff_options *o, struct emitted_diff_symbol *l,
+ struct interned_diff_symbol *s)
{
- struct moved_entry *ret = xmalloc(sizeof(*ret));
- struct emitted_diff_symbol *l = &o->emitted_symbols->buf[line_no];
unsigned flags = o->color_moved_ws_handling & XDF_WHITESPACE_FLAGS;
+ unsigned int hash = xdiff_hash_string(l->line + l->indent_off,
+ l->len - l->indent_off, flags);
- ret->ent.hash = xdiff_hash_string(l->line, l->len, flags);
- ret->es = l;
- ret->next_line = NULL;
-
- return ret;
+ hashmap_entry_init(&s->ent, hash);
+ s->es = l;
}
-static void add_lines_to_move_detection(struct diff_options *o,
- struct hashmap *add_lines,
- struct hashmap *del_lines)
+struct moved_entry_list {
+ struct moved_entry *add, *del;
+};
+
+static struct moved_entry_list *add_lines_to_move_detection(struct diff_options *o,
+ struct mem_pool *entry_mem_pool)
{
struct moved_entry *prev_line = NULL;
-
+ struct mem_pool interned_pool;
+ struct hashmap interned_map;
+ struct moved_entry_list *entry_list = NULL;
+ size_t entry_list_alloc = 0;
+ unsigned id = 0;
int n;
+
+ hashmap_init(&interned_map, interned_diff_symbol_cmp, o, 8096);
+ mem_pool_init(&interned_pool, 1024 * 1024);
+
for (n = 0; n < o->emitted_symbols->nr; n++) {
- struct hashmap *hm;
- struct moved_entry *key;
+ struct interned_diff_symbol key;
+ struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
+ struct interned_diff_symbol *s;
+ struct moved_entry *entry;
- switch (o->emitted_symbols->buf[n].s) {
- case DIFF_SYMBOL_PLUS:
- hm = add_lines;
- break;
- case DIFF_SYMBOL_MINUS:
- hm = del_lines;
- break;
- default:
+ if (l->s != DIFF_SYMBOL_PLUS && l->s != DIFF_SYMBOL_MINUS) {
prev_line = NULL;
continue;
}
- key = prepare_entry(o, n);
- if (prev_line && prev_line->es->s == o->emitted_symbols->buf[n].s)
- prev_line->next_line = key;
+ if (o->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ fill_es_indent_data(l);
- hashmap_add(hm, key);
- prev_line = key;
+ prepare_entry(o, l, &key);
+ s = hashmap_get_entry(&interned_map, &key, ent, &key.ent);
+ if (s) {
+ l->id = s->es->id;
+ } else {
+ l->id = id;
+ ALLOC_GROW_BY(entry_list, id, 1, entry_list_alloc);
+ hashmap_add(&interned_map,
+ memcpy(mem_pool_alloc(&interned_pool,
+ sizeof(key)),
+ &key, sizeof(key)));
+ }
+ entry = mem_pool_alloc(entry_mem_pool, sizeof(*entry));
+ entry->es = l;
+ entry->next_line = NULL;
+ if (prev_line && prev_line->es->s == l->s)
+ prev_line->next_line = entry;
+ prev_line = entry;
+ if (l->s == DIFF_SYMBOL_PLUS) {
+ entry->next_match = entry_list[l->id].add;
+ entry_list[l->id].add = entry;
+ } else {
+ entry->next_match = entry_list[l->id].del;
+ entry_list[l->id].del = entry;
+ }
}
+
+ hashmap_clear(&interned_map);
+ mem_pool_discard(&interned_pool, 0);
+
+ return entry_list;
}
static void pmb_advance_or_null(struct diff_options *o,
- struct moved_entry *match,
- struct hashmap *hm,
+ struct emitted_diff_symbol *l,
struct moved_block *pmb,
- int pmb_nr)
+ int *pmb_nr)
{
- int i;
- for (i = 0; i < pmb_nr; i++) {
+ int i, j;
+
+ for (i = 0, j = 0; i < *pmb_nr; i++) {
+ int match;
struct moved_entry *prev = pmb[i].match;
struct moved_entry *cur = (prev && prev->next_line) ?
prev->next_line : NULL;
- if (cur && !hm->cmpfn(o, cur, match, NULL)) {
- pmb[i].match = cur;
- } else {
- pmb[i].match = NULL;
- }
- }
-}
-static void pmb_advance_or_null_multi_match(struct diff_options *o,
- struct moved_entry *match,
- struct hashmap *hm,
- struct moved_block *pmb,
- int pmb_nr, int n)
-{
- int i;
- char *got_match = xcalloc(1, pmb_nr);
-
- for (; match; match = hashmap_get_next(hm, match)) {
- for (i = 0; i < pmb_nr; i++) {
- struct moved_entry *prev = pmb[i].match;
- struct moved_entry *cur = (prev && prev->next_line) ?
- prev->next_line : NULL;
- if (!cur)
- continue;
- if (!cmp_in_block_with_wsd(o, cur, match, &pmb[i], n))
- got_match[i] |= 1;
- }
- }
+ if (o->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ match = cur &&
+ !cmp_in_block_with_wsd(cur, l, &pmb[i]);
+ else
+ match = cur && cur->es->id == l->id;
- for (i = 0; i < pmb_nr; i++) {
- if (got_match[i]) {
- /* Advance to the next line */
- pmb[i].match = pmb[i].match->next_line;
- } else {
- moved_block_clear(&pmb[i]);
+ if (match) {
+ pmb[j] = pmb[i];
+ pmb[j++].match = cur;
}
}
-
- free(got_match);
+ *pmb_nr = j;
}
-static int shrink_potential_moved_blocks(struct moved_block *pmb,
- int pmb_nr)
-{
- int lp, rp;
-
- /* Shrink the set of potential block to the remaining running */
- for (lp = 0, rp = pmb_nr - 1; lp <= rp;) {
- while (lp < pmb_nr && pmb[lp].match)
- lp++;
- /* lp points at the first NULL now */
+static void fill_potential_moved_blocks(struct diff_options *o,
+ struct moved_entry *match,
+ struct emitted_diff_symbol *l,
+ struct moved_block **pmb_p,
+ int *pmb_alloc_p, int *pmb_nr_p)
- while (rp > -1 && !pmb[rp].match)
- rp--;
- /* rp points at the last non-NULL */
+{
+ struct moved_block *pmb = *pmb_p;
+ int pmb_alloc = *pmb_alloc_p, pmb_nr = *pmb_nr_p;
- if (lp < pmb_nr && rp > -1 && lp < rp) {
- pmb[lp] = pmb[rp];
- pmb[rp].match = NULL;
- pmb[rp].wsd.string = NULL;
- rp--;
- lp++;
- }
+ /*
+ * The current line is the start of a new block.
+ * Setup the set of potential blocks.
+ */
+ for (; match; match = match->next_match) {
+ ALLOC_GROW(pmb, pmb_nr + 1, pmb_alloc);
+ if (o->color_moved_ws_handling &
+ COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
+ pmb[pmb_nr].wsd = compute_ws_delta(l, match->es);
+ else
+ pmb[pmb_nr].wsd = 0;
+ pmb[pmb_nr++].match = match;
}
- /* Remember the number of running sets */
- return rp + 1;
+ *pmb_p = pmb;
+ *pmb_alloc_p = pmb_alloc;
+ *pmb_nr_p = pmb_nr;
}
/*
@@ -1038,14 +1120,19 @@ static int shrink_potential_moved_blocks(struct moved_block *pmb,
* The last block consists of the (n - block_length)'th line up to but not
* including the nth line.
*
+ * Returns 0 if the last block is empty or is unset by this function, non zero
+ * otherwise.
+ *
* NEEDSWORK: This uses the same heuristic as blame_entry_score() in blame.c.
* Think of a way to unify them.
*/
-static void adjust_last_block(struct diff_options *o, int n, int block_length)
+#define DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK \
+ (DIFF_SYMBOL_MOVED_LINE | DIFF_SYMBOL_MOVED_LINE_ALT)
+static int adjust_last_block(struct diff_options *o, int n, int block_length)
{
int i, alnum_count = 0;
if (o->color_moved == COLOR_MOVED_PLAIN)
- return;
+ return block_length;
for (i = 1; i < block_length + 1; i++) {
const char *c = o->emitted_symbols->buf[n - i].line;
for (; *c; c++) {
@@ -1053,108 +1140,104 @@ static void adjust_last_block(struct diff_options *o, int n, int block_length)
continue;
alnum_count++;
if (alnum_count >= COLOR_MOVED_MIN_ALNUM_COUNT)
- return;
+ return 1;
}
}
for (i = 1; i < block_length + 1; i++)
- o->emitted_symbols->buf[n - i].flags &= ~DIFF_SYMBOL_MOVED_LINE;
+ o->emitted_symbols->buf[n - i].flags &= ~DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK;
+ return 0;
}
/* Find blocks of moved code, delegate actual coloring decision to helper */
static void mark_color_as_moved(struct diff_options *o,
- struct hashmap *add_lines,
- struct hashmap *del_lines)
+ struct moved_entry_list *entry_list)
{
struct moved_block *pmb = NULL; /* potentially moved blocks */
int pmb_nr = 0, pmb_alloc = 0;
- int n, flipped_block = 1, block_length = 0;
+ int n, flipped_block = 0, block_length = 0;
+ enum diff_symbol moved_symbol = DIFF_SYMBOL_BINARY_DIFF_HEADER;
for (n = 0; n < o->emitted_symbols->nr; n++) {
- struct hashmap *hm = NULL;
- struct moved_entry *key;
struct moved_entry *match = NULL;
struct emitted_diff_symbol *l = &o->emitted_symbols->buf[n];
switch (l->s) {
case DIFF_SYMBOL_PLUS:
- hm = del_lines;
- key = prepare_entry(o, n);
- match = hashmap_get(hm, key, NULL);
- free(key);
+ match = entry_list[l->id].del;
break;
case DIFF_SYMBOL_MINUS:
- hm = add_lines;
- key = prepare_entry(o, n);
- match = hashmap_get(hm, key, NULL);
- free(key);
+ match = entry_list[l->id].add;
break;
default:
- flipped_block = 1;
+ flipped_block = 0;
}
- if (!match) {
- int i;
-
- adjust_last_block(o, n, block_length);
- for(i = 0; i < pmb_nr; i++)
- moved_block_clear(&pmb[i]);
+ if (pmb_nr && (!match || l->s != moved_symbol)) {
+ if (!adjust_last_block(o, n, block_length) &&
+ block_length > 1) {
+ /*
+ * Rewind in case there is another match
+ * starting at the second line of the block
+ */
+ match = NULL;
+ n -= block_length;
+ }
pmb_nr = 0;
block_length = 0;
+ flipped_block = 0;
+ }
+ if (!match) {
+ moved_symbol = DIFF_SYMBOL_BINARY_DIFF_HEADER;
continue;
}
- l->flags |= DIFF_SYMBOL_MOVED_LINE;
-
- if (o->color_moved == COLOR_MOVED_PLAIN)
+ if (o->color_moved == COLOR_MOVED_PLAIN) {
+ l->flags |= DIFF_SYMBOL_MOVED_LINE;
continue;
+ }
- if (o->color_moved_ws_handling &
- COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
- pmb_advance_or_null_multi_match(o, match, hm, pmb, pmb_nr, n);
- else
- pmb_advance_or_null(o, match, hm, pmb, pmb_nr);
-
- pmb_nr = shrink_potential_moved_blocks(pmb, pmb_nr);
+ pmb_advance_or_null(o, l, pmb, &pmb_nr);
if (pmb_nr == 0) {
- /*
- * The current line is the start of a new block.
- * Setup the set of potential blocks.
- */
- for (; match; match = hashmap_get_next(hm, match)) {
- ALLOC_GROW(pmb, pmb_nr + 1, pmb_alloc);
- if (o->color_moved_ws_handling &
- COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE) {
- if (compute_ws_delta(l, match->es,
- &pmb[pmb_nr].wsd))
- pmb[pmb_nr++].match = match;
- } else {
- pmb[pmb_nr].wsd.string = NULL;
- pmb[pmb_nr++].match = match;
- }
- }
+ int contiguous = adjust_last_block(o, n, block_length);
+
+ if (!contiguous && block_length > 1)
+ /*
+ * Rewind in case there is another match
+ * starting at the second line of the block
+ */
+ n -= block_length;
+ else
+ fill_potential_moved_blocks(o, match, l,
+ &pmb, &pmb_alloc,
+ &pmb_nr);
+
+ if (contiguous && pmb_nr && moved_symbol == l->s)
+ flipped_block = (flipped_block + 1) % 2;
+ else
+ flipped_block = 0;
- flipped_block = (flipped_block + 1) % 2;
+ if (pmb_nr)
+ moved_symbol = l->s;
+ else
+ moved_symbol = DIFF_SYMBOL_BINARY_DIFF_HEADER;
- adjust_last_block(o, n, block_length);
block_length = 0;
}
- block_length++;
-
- if (flipped_block && o->color_moved != COLOR_MOVED_BLOCKS)
- l->flags |= DIFF_SYMBOL_MOVED_LINE_ALT;
+ if (pmb_nr) {
+ block_length++;
+ l->flags |= DIFF_SYMBOL_MOVED_LINE;
+ if (flipped_block && o->color_moved != COLOR_MOVED_BLOCKS)
+ l->flags |= DIFF_SYMBOL_MOVED_LINE_ALT;
+ }
}
adjust_last_block(o, n, block_length);
- for(n = 0; n < pmb_nr; n++)
- moved_block_clear(&pmb[n]);
free(pmb);
}
-#define DIFF_SYMBOL_MOVED_LINE_ZEBRA_MASK \
- (DIFF_SYMBOL_MOVED_LINE | DIFF_SYMBOL_MOVED_LINE_ALT)
static void dim_moved_lines(struct diff_options *o)
{
int n;
@@ -1250,7 +1333,6 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
{
static const char *nneof = " No newline at end of file\n";
const char *context, *reset, *set, *set_sign, *meta, *fraginfo;
- struct strbuf sb = STRBUF_INIT;
enum diff_symbol s = eds->s;
const char *line = eds->line;
@@ -1482,13 +1564,14 @@ static void emit_diff_symbol_from_struct(struct diff_options *o,
default:
BUG("unknown diff symbol");
}
- strbuf_release(&sb);
}
static void emit_diff_symbol(struct diff_options *o, enum diff_symbol s,
const char *line, int len, unsigned flags)
{
- struct emitted_diff_symbol e = {line, len, flags, s};
+ struct emitted_diff_symbol e = {
+ .line = line, .len = len, .flags = flags, .s = s
+ };
if (o->emitted_symbols)
append_emitted_diff_symbol(o, &e);
@@ -1543,11 +1626,10 @@ static int new_blank_line_at_eof(struct emit_callback *ecbdata, const char *line
ecbdata->blank_at_eof_in_preimage <= ecbdata->lno_in_preimage &&
ecbdata->blank_at_eof_in_postimage <= ecbdata->lno_in_postimage))
return 0;
- return ws_blank_line(line, len, ecbdata->ws_rule);
+ return ws_blank_line(line, len);
}
-static void emit_add_line(const char *reset,
- struct emit_callback *ecbdata,
+static void emit_add_line(struct emit_callback *ecbdata,
const char *line, int len)
{
unsigned flags = WSEH_NEW | ecbdata->ws_rule;
@@ -1557,16 +1639,14 @@ static void emit_add_line(const char *reset,
emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_PLUS, line, len, flags);
}
-static void emit_del_line(const char *reset,
- struct emit_callback *ecbdata,
+static void emit_del_line(struct emit_callback *ecbdata,
const char *line, int len)
{
unsigned flags = WSEH_OLD | ecbdata->ws_rule;
emit_diff_symbol(ecbdata->opt, DIFF_SYMBOL_MINUS, line, len, flags);
}
-static void emit_context_line(const char *reset,
- struct emit_callback *ecbdata,
+static void emit_context_line(struct emit_callback *ecbdata,
const char *line, int len)
{
unsigned flags = WSEH_CONTEXT | ecbdata->ws_rule;
@@ -1604,7 +1684,10 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
if (ecbdata->opt->flags.dual_color_diffed_diffs)
strbuf_addstr(&msgbuf, reverse);
strbuf_addstr(&msgbuf, frag);
- strbuf_add(&msgbuf, line, ep - line);
+ if (ecbdata->opt->flags.suppress_hunk_header_line_count)
+ strbuf_add(&msgbuf, atat, sizeof(atat));
+ else
+ strbuf_add(&msgbuf, line, ep - line);
strbuf_addstr(&msgbuf, reset);
/*
@@ -1637,7 +1720,8 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
strbuf_release(&msgbuf);
}
-static struct diff_tempfile *claim_diff_tempfile(void) {
+static struct diff_tempfile *claim_diff_tempfile(void)
+{
int i;
for (i = 0; i < ARRAY_SIZE(diff_temp); i++)
if (!diff_temp[i].name)
@@ -1674,7 +1758,6 @@ static void emit_rewrite_lines(struct emit_callback *ecb,
int prefix, const char *data, int size)
{
const char *endp = NULL;
- const char *reset = diff_get_color(ecb->color_diff, DIFF_RESET);
while (0 < size) {
int len;
@@ -1683,10 +1766,10 @@ static void emit_rewrite_lines(struct emit_callback *ecb,
len = endp ? (endp - data + 1) : size;
if (prefix != '+') {
ecb->lno_in_preimage++;
- emit_del_line(reset, ecb, data, len);
+ emit_del_line(ecb, data, len);
} else {
ecb->lno_in_postimage++;
- emit_add_line(reset, ecb, data, len);
+ emit_add_line(ecb, data, len);
}
size -= len;
data += len;
@@ -1912,19 +1995,17 @@ static int color_words_output_graph_prefix(struct diff_words_data *diff_words)
}
}
-static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len)
+static void fn_out_diff_words_aux(void *priv,
+ long minus_first, long minus_len,
+ long plus_first, long plus_len,
+ const char *func UNUSED, long funclen UNUSED)
{
struct diff_words_data *diff_words = priv;
struct diff_words_style *style = diff_words->style;
- int minus_first, minus_len, plus_first, plus_len;
const char *minus_begin, *minus_end, *plus_begin, *plus_end;
struct diff_options *opt = diff_words->opt;
const char *line_prefix;
- if (line[0] != '@' || parse_hunk_header(line, len,
- &minus_first, &minus_len, &plus_first, &plus_len))
- return;
-
assert(opt);
line_prefix = diff_line_prefix(opt);
@@ -1971,7 +2052,7 @@ static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len)
static int find_word_boundaries(mmfile_t *buffer, regex_t *word_regex,
int *begin, int *end)
{
- if (word_regex && *begin < buffer->size) {
+ while (word_regex && *begin < buffer->size) {
regmatch_t match[1];
if (!regexec_buf(word_regex, buffer->ptr + *begin,
buffer->size - *begin, 1, match, 0)) {
@@ -1979,9 +2060,13 @@ static int find_word_boundaries(mmfile_t *buffer, regex_t *word_regex,
'\n', match[0].rm_eo - match[0].rm_so);
*end = p ? p - buffer->ptr : match[0].rm_eo + *begin;
*begin += match[0].rm_so;
- return *begin >= *end;
+ if (*begin == *end)
+ (*begin)++;
+ else
+ return *begin > *end;
+ } else {
+ return -1;
}
- return -1;
}
/* find the next word */
@@ -2074,8 +2159,8 @@ static void diff_words_show(struct diff_words_data *diff_words)
xpp.flags = 0;
/* as only the hunk header will be parsed, we need a 0-context */
xecfg.ctxlen = 0;
- if (xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, diff_words,
- &xpp, &xecfg))
+ if (xdi_diff_outf(&minus, &plus, fn_out_diff_words_aux, NULL,
+ diff_words, &xpp, &xecfg))
die("unable to generate word diff");
free(minus.ptr);
free(plus.ptr);
@@ -2151,14 +2236,12 @@ static void init_diff_words_data(struct emit_callback *ecbdata,
struct diff_options *o = xmalloc(sizeof(struct diff_options));
memcpy(o, orig_opts, sizeof(struct diff_options));
- ecbdata->diff_words =
- xcalloc(1, sizeof(struct diff_words_data));
+ CALLOC_ARRAY(ecbdata->diff_words, 1);
ecbdata->diff_words->type = o->word_diff;
ecbdata->diff_words->opt = o;
if (orig_opts->emitted_symbols)
- o->emitted_symbols =
- xcalloc(1, sizeof(struct emitted_diff_symbols));
+ CALLOC_ARRAY(o->emitted_symbols, 1);
if (!o->word_regex)
o->word_regex = userdiff_word_regex(one, o->repo->index);
@@ -2194,7 +2277,7 @@ static void free_diff_words_data(struct emit_callback *ecbdata)
{
if (ecbdata->diff_words) {
diff_words_flush(ecbdata);
- free (ecbdata->diff_words->opt->emitted_symbols);
+ free_emitted_diff_symbols(ecbdata->diff_words->opt->emitted_symbols);
free (ecbdata->diff_words->opt);
free (ecbdata->diff_words->minus.text.ptr);
free (ecbdata->diff_words->minus.orig);
@@ -2225,7 +2308,7 @@ const char *diff_line_prefix(struct diff_options *opt)
return msgbuf->buf;
}
-static unsigned long sane_truncate_line(struct emit_callback *ecb, char *line, unsigned long len)
+static unsigned long sane_truncate_line(char *line, unsigned long len)
{
const char *cp;
unsigned long allot;
@@ -2256,10 +2339,9 @@ static void find_lno(const char *line, struct emit_callback *ecbdata)
ecbdata->lno_in_postimage = strtol(p + 1, NULL, 10);
}
-static void fn_out_consume(void *priv, char *line, unsigned long len)
+static int fn_out_consume(void *priv, char *line, unsigned long len)
{
struct emit_callback *ecbdata = priv;
- const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET);
struct diff_options *o = ecbdata->opt;
o->found_changes = 1;
@@ -2290,10 +2372,10 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
if (line[0] == '@') {
if (ecbdata->diff_words)
diff_words_flush(ecbdata);
- len = sane_truncate_line(ecbdata, line, len);
+ len = sane_truncate_line(line, len);
find_lno(line, ecbdata);
emit_hunk_header(ecbdata, line, len);
- return;
+ return 0;
}
if (ecbdata->diff_words) {
@@ -2303,11 +2385,11 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
if (line[0] == '-') {
diff_words_append(line, len,
&ecbdata->diff_words->minus);
- return;
+ return 0;
} else if (line[0] == '+') {
diff_words_append(line, len,
&ecbdata->diff_words->plus);
- return;
+ return 0;
} else if (starts_with(line, "\\ ")) {
/*
* Eat the "no newline at eof" marker as if we
@@ -2316,26 +2398,26 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
* defer processing. If this is the end of
* preimage, more "+" lines may come after it.
*/
- return;
+ return 0;
}
diff_words_flush(ecbdata);
emit_diff_symbol(o, s, line, len, 0);
- return;
+ return 0;
}
switch (line[0]) {
case '+':
ecbdata->lno_in_postimage++;
- emit_add_line(reset, ecbdata, line + 1, len - 1);
+ emit_add_line(ecbdata, line + 1, len - 1);
break;
case '-':
ecbdata->lno_in_preimage++;
- emit_del_line(reset, ecbdata, line + 1, len - 1);
+ emit_del_line(ecbdata, line + 1, len - 1);
break;
case ' ':
ecbdata->lno_in_postimage++;
ecbdata->lno_in_preimage++;
- emit_context_line(reset, ecbdata, line + 1, len - 1);
+ emit_context_line(ecbdata, line + 1, len - 1);
break;
default:
/* incomplete line at the end */
@@ -2344,6 +2426,7 @@ static void fn_out_consume(void *priv, char *line, unsigned long len)
line, len, 0);
break;
}
+ return 0;
}
static void pprint_rename(struct strbuf *name, const char *a, const char *b)
@@ -2423,28 +2506,12 @@ static void pprint_rename(struct strbuf *name, const char *a, const char *b)
}
}
-struct diffstat_t {
- int nr;
- int alloc;
- struct diffstat_file {
- char *from_name;
- char *name;
- char *print_name;
- const char *comments;
- unsigned is_unmerged:1;
- unsigned is_binary:1;
- unsigned is_renamed:1;
- unsigned is_interesting:1;
- uintmax_t added, deleted;
- } **files;
-};
-
static struct diffstat_file *diffstat_add(struct diffstat_t *diffstat,
const char *name_a,
const char *name_b)
{
struct diffstat_file *x;
- x = xcalloc(1, sizeof(*x));
+ CALLOC_ARRAY(x, 1);
ALLOC_GROW(diffstat->files, diffstat->nr + 1, diffstat->alloc);
diffstat->files[diffstat->nr++] = x;
if (name_b) {
@@ -2459,15 +2526,19 @@ static struct diffstat_file *diffstat_add(struct diffstat_t *diffstat,
return x;
}
-static void diffstat_consume(void *priv, char *line, unsigned long len)
+static int diffstat_consume(void *priv, char *line, unsigned long len)
{
struct diffstat_t *diffstat = priv;
struct diffstat_file *x = diffstat->files[diffstat->nr - 1];
+ if (!len)
+ BUG("xdiff fed us an empty line");
+
if (line[0] == '+')
x->added++;
else if (line[0] == '-')
x->deleted++;
+ return 0;
}
const char mime_boundary_leader[] = "------------";
@@ -2479,7 +2550,7 @@ static int scale_linear(int it, int width, int max_change)
/*
* make sure that at least one '-' or '+' is printed if
* there is any change to this path. The easiest way is to
- * scale linearly as if the alloted width is one column shorter
+ * scale linearly as if the allotted width is one column shorter
* than it is, and then add 1 to the result.
*/
return 1 + (it * (width - 1) / max_change);
@@ -2596,7 +2667,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
continue;
}
fill_print_name(file);
- len = strlen(file->print_name);
+ len = utf8_strwidth(file->print_name);
if (max_len < len)
max_len = len;
@@ -2649,6 +2720,11 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
* making the line longer than the maximum width.
*/
+ /*
+ * NEEDSWORK: line_prefix is often used for "log --graph" output
+ * and contains ANSI-colored string. utf8_strnwidth() should be
+ * used to correctly count the display width instead of strlen().
+ */
if (options->stat_width == -1)
width = term_columns() - strlen(line_prefix);
else
@@ -2656,12 +2732,14 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
number_width = decimal_width(max_change) > number_width ?
decimal_width(max_change) : number_width;
+ if (options->stat_name_width == -1)
+ options->stat_name_width = diff_stat_name_width;
if (options->stat_graph_width == -1)
options->stat_graph_width = diff_stat_graph_width;
/*
- * Guarantee 3/8*16==6 for the graph part
- * and 5/8*16==10 for the filename part
+ * Guarantee 3/8*16 == 6 for the graph part
+ * and 5/8*16 == 10 for the filename part
*/
if (width < 16 + 6 + number_width)
width = 16 + 6 + number_width;
@@ -2710,7 +2788,7 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
char *name = file->print_name;
uintmax_t added = file->added;
uintmax_t deleted = file->deleted;
- int name_len;
+ int name_len, padding;
if (!file->is_interesting && (added + deleted == 0))
continue;
@@ -2719,20 +2797,34 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
* "scale" the filename
*/
len = name_width;
- name_len = strlen(name);
+ name_len = utf8_strwidth(name);
if (name_width < name_len) {
char *slash;
prefix = "...";
len -= 3;
+ /*
+ * NEEDSWORK: (name_len - len) counts the display
+ * width, which would be shorter than the byte
+ * length of the corresponding substring.
+ * Advancing "name" by that number of bytes does
+ * *NOT* skip over that many columns, so it is
+ * very likely that chomping the pathname at the
+ * slash we will find starting from "name" will
+ * leave the resulting string still too long.
+ */
name += name_len - len;
slash = strchr(name, '/');
if (slash)
name = slash;
}
+ padding = len - utf8_strwidth(name);
+ if (padding < 0)
+ padding = 0;
if (file->is_binary) {
- strbuf_addf(&out, " %s%-*s |", prefix, len, name);
- strbuf_addf(&out, " %*s", number_width, "Bin");
+ strbuf_addf(&out, " %s%s%*s | %*s",
+ prefix, name, padding, "",
+ number_width, "Bin");
if (!added && !deleted) {
strbuf_addch(&out, '\n');
emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
@@ -2752,8 +2844,9 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
continue;
}
else if (file->is_unmerged) {
- strbuf_addf(&out, " %s%-*s |", prefix, len, name);
- strbuf_addstr(&out, " Unmerged\n");
+ strbuf_addf(&out, " %s%s%*s | %*s",
+ prefix, name, padding, "",
+ number_width, "Unmerged\n");
emit_diff_symbol(options, DIFF_SYMBOL_STATS_LINE,
out.buf, out.len, 0);
strbuf_reset(&out);
@@ -2779,10 +2872,10 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
add = total - del;
}
}
- strbuf_addf(&out, " %s%-*s |", prefix, len, name);
- strbuf_addf(&out, " %*"PRIuMAX"%s",
- number_width, added + deleted,
- added + deleted ? " " : "");
+ strbuf_addf(&out, " %s%s%*s | %*"PRIuMAX"%s",
+ prefix, name, padding, "",
+ number_width, added + deleted,
+ added + deleted ? " " : "");
show_graph(&out, '+', add, add_c, reset);
show_graph(&out, '-', del, del_c, reset);
strbuf_addch(&out, '\n');
@@ -2946,6 +3039,24 @@ static int dirstat_compare(const void *_a, const void *_b)
return strcmp(a->name, b->name);
}
+static void conclude_dirstat(struct diff_options *options,
+ struct dirstat_dir *dir,
+ unsigned long changed)
+{
+ struct dirstat_file *to_free = dir->files;
+
+ if (!changed) {
+ /* This can happen even with many files, if everything was renames */
+ ;
+ } else {
+ /* Show all directories with more than x% of the changes */
+ QSORT(dir->files, dir->nr, dirstat_compare);
+ gather_dirstat(options, dir, changed, "", 0);
+ }
+
+ free(to_free);
+}
+
static void show_dirstat(struct diff_options *options)
{
int i;
@@ -2964,6 +3075,9 @@ static void show_dirstat(struct diff_options *options)
struct diff_filepair *p = q->queue[i];
const char *name;
unsigned long copied, added, damage;
+ struct diff_populate_filespec_options dpf_options = {
+ .check_size_only = 1,
+ };
name = p->two->path ? p->two->path : p->one->path;
@@ -2991,19 +3105,19 @@ static void show_dirstat(struct diff_options *options)
}
if (DIFF_FILE_VALID(p->one) && DIFF_FILE_VALID(p->two)) {
- diff_populate_filespec(options->repo, p->one, 0);
- diff_populate_filespec(options->repo, p->two, 0);
+ diff_populate_filespec(options->repo, p->one, NULL);
+ diff_populate_filespec(options->repo, p->two, NULL);
diffcore_count_changes(options->repo,
p->one, p->two, NULL, NULL,
&copied, &added);
diff_free_filespec_data(p->one);
diff_free_filespec_data(p->two);
} else if (DIFF_FILE_VALID(p->one)) {
- diff_populate_filespec(options->repo, p->one, CHECK_SIZE_ONLY);
+ diff_populate_filespec(options->repo, p->one, &dpf_options);
copied = added = 0;
diff_free_filespec_data(p->one);
} else if (DIFF_FILE_VALID(p->two)) {
- diff_populate_filespec(options->repo, p->two, CHECK_SIZE_ONLY);
+ diff_populate_filespec(options->repo, p->two, &dpf_options);
copied = 0;
added = p->two->size;
diff_free_filespec_data(p->two);
@@ -3032,13 +3146,7 @@ found_damage:
dir.nr++;
}
- /* This can happen even with many files, if everything was renames */
- if (!changed)
- return;
-
- /* Show all directories with more than x% of the changes */
- QSORT(dir.files, dir.nr, dirstat_compare);
- gather_dirstat(options, &dir, changed, "", 0);
+ conclude_dirstat(options, &dir, changed);
}
static void show_dirstat_by_line(struct diffstat_t *data, struct diff_options *options)
@@ -3076,25 +3184,22 @@ static void show_dirstat_by_line(struct diffstat_t *data, struct diff_options *o
dir.nr++;
}
- /* This can happen even with many files, if everything was renames */
- if (!changed)
- return;
+ conclude_dirstat(options, &dir, changed);
+}
- /* Show all directories with more than x% of the changes */
- QSORT(dir.files, dir.nr, dirstat_compare);
- gather_dirstat(options, &dir, changed, "", 0);
+static void free_diffstat_file(struct diffstat_file *f)
+{
+ free(f->print_name);
+ free(f->name);
+ free(f->from_name);
+ free(f);
}
-static void free_diffstat_info(struct diffstat_t *diffstat)
+void free_diffstat_info(struct diffstat_t *diffstat)
{
int i;
- for (i = 0; i < diffstat->nr; i++) {
- struct diffstat_file *f = diffstat->files[i];
- free(f->print_name);
- free(f->name);
- free(f->from_name);
- free(f);
- }
+ for (i = 0; i < diffstat->nr; i++)
+ free_diffstat_file(diffstat->files[i]);
free(diffstat->files);
}
@@ -3124,13 +3229,23 @@ static int is_conflict_marker(const char *line, int marker_size, unsigned long l
for (cnt = 1; cnt < marker_size; cnt++)
if (line[cnt] != firstchar)
return 0;
- /* line[1] thru line[marker_size-1] are same as firstchar */
+ /* line[1] through line[marker_size-1] are same as firstchar */
if (len < marker_size + 1 || !isspace(line[marker_size]))
return 0;
return 1;
}
-static void checkdiff_consume(void *priv, char *line, unsigned long len)
+static void checkdiff_consume_hunk(void *priv,
+ long ob UNUSED, long on UNUSED,
+ long nb, long nn UNUSED,
+ const char *func UNUSED, long funclen UNUSED)
+
+{
+ struct checkdiff_t *data = priv;
+ data->lineno = nb - 1;
+}
+
+static int checkdiff_consume(void *priv, char *line, unsigned long len)
{
struct checkdiff_t *data = priv;
int marker_size = data->conflict_marker_size;
@@ -3154,7 +3269,7 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len)
}
bad = ws_check(line + 1, len - 1, data->ws_rule);
if (!bad)
- return;
+ return 0;
data->status |= bad;
err = whitespace_error_string(bad);
fprintf(data->o->file, "%s%s:%d: %s.\n",
@@ -3165,13 +3280,8 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len)
data->o->file, set, reset, ws);
} else if (line[0] == ' ') {
data->lineno++;
- } else if (line[0] == '@') {
- char *plus = strchr(line, '+');
- if (plus)
- data->lineno = strtol(plus, NULL, 10) - 1;
- else
- die("invalid diff");
}
+ return 0;
}
static unsigned char *deflate_it(char *data,
@@ -3227,7 +3337,7 @@ static void emit_binary_diff_body(struct diff_options *o,
}
if (delta && delta_size < deflate_size) {
- char *s = xstrfmt("%lu", orig_size);
+ char *s = xstrfmt("%"PRIuMAX , (uintmax_t)orig_size);
emit_diff_symbol(o, DIFF_SYMBOL_BINARY_DIFF_HEADER_DELTA,
s, strlen(s), 0);
free(s);
@@ -3280,13 +3390,17 @@ static void emit_binary_diff(struct diff_options *o,
int diff_filespec_is_binary(struct repository *r,
struct diff_filespec *one)
{
+ struct diff_populate_filespec_options dpf_options = {
+ .check_binary = 1,
+ };
+
if (one->is_binary == -1) {
diff_filespec_load_driver(one, r->index);
if (one->driver->binary != -1)
one->is_binary = one->driver->binary;
else {
if (!one->data && DIFF_FILE_VALID(one))
- diff_populate_filespec(r, one, CHECK_BINARY);
+ diff_populate_filespec(r, one, &dpf_options);
if (one->is_binary == -1 && one->data)
one->is_binary = buffer_is_binary(one->data,
one->size);
@@ -3312,14 +3426,94 @@ void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const
options->b_prefix = b;
}
-struct userdiff_driver *get_textconv(struct index_state *istate,
+void diff_set_noprefix(struct diff_options *options)
+{
+ options->a_prefix = options->b_prefix = "";
+}
+
+void diff_set_default_prefix(struct diff_options *options)
+{
+ options->a_prefix = diff_src_prefix;
+ options->b_prefix = diff_dst_prefix;
+}
+
+struct userdiff_driver *get_textconv(struct repository *r,
struct diff_filespec *one)
{
if (!DIFF_FILE_VALID(one))
return NULL;
- diff_filespec_load_driver(one, istate);
- return userdiff_get_textconv(one->driver);
+ diff_filespec_load_driver(one, r->index);
+ return userdiff_get_textconv(r, one->driver);
+}
+
+static struct string_list *additional_headers(struct diff_options *o,
+ const char *path)
+{
+ if (!o->additional_path_headers)
+ return NULL;
+ return strmap_get(o->additional_path_headers, path);
+}
+
+static void add_formatted_header(struct strbuf *msg,
+ const char *header,
+ const char *line_prefix,
+ const char *meta,
+ const char *reset)
+{
+ const char *next, *newline;
+
+ for (next = header; *next; next = newline) {
+ newline = strchrnul(next, '\n');
+ strbuf_addf(msg, "%s%s%.*s%s\n", line_prefix, meta,
+ (int)(newline - next), next, reset);
+ if (*newline)
+ newline++;
+ }
+}
+
+static void add_formatted_headers(struct strbuf *msg,
+ struct string_list *more_headers,
+ const char *line_prefix,
+ const char *meta,
+ const char *reset)
+{
+ int i;
+
+ for (i = 0; i < more_headers->nr; i++)
+ add_formatted_header(msg, more_headers->items[i].string,
+ line_prefix, meta, reset);
+}
+
+static int diff_filepair_is_phoney(struct diff_filespec *one,
+ struct diff_filespec *two)
+{
+ /*
+ * This function specifically looks for pairs injected by
+ * create_filepairs_for_header_only_notifications(). Such
+ * pairs are "phoney" in that they do not represent any
+ * content or even mode difference, but were inserted because
+ * diff_queued_diff previously had no pair associated with
+ * that path but we needed some pair to avoid losing the
+ * "remerge CONFLICT" header associated with the path.
+ */
+ return !DIFF_FILE_VALID(one) && !DIFF_FILE_VALID(two);
+}
+
+static int set_diff_algorithm(struct diff_options *opts,
+ const char *alg)
+{
+ long value = parse_algorithm_value(alg);
+
+ if (value < 0)
+ return -1;
+
+ /* clear out previous settings */
+ DIFF_XDL_CLR(opts, NEED_MINIMAL);
+ opts->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
+ opts->xdl_opts |= value;
+
+ return 0;
}
static void builtin_diff(const char *name_a,
@@ -3353,14 +3547,16 @@ static void builtin_diff(const char *name_a,
if (o->submodule_format == DIFF_SUBMODULE_LOG &&
(!one->mode || S_ISGITLINK(one->mode)) &&
- (!two->mode || S_ISGITLINK(two->mode))) {
- show_submodule_summary(o, one->path ? one->path : two->path,
+ (!two->mode || S_ISGITLINK(two->mode)) &&
+ (!diff_filepair_is_phoney(one, two))) {
+ show_submodule_diff_summary(o, one->path ? one->path : two->path,
&one->oid, &two->oid,
two->dirty_submodule);
return;
} else if (o->submodule_format == DIFF_SUBMODULE_INLINE_DIFF &&
(!one->mode || S_ISGITLINK(one->mode)) &&
- (!two->mode || S_ISGITLINK(two->mode))) {
+ (!two->mode || S_ISGITLINK(two->mode)) &&
+ (!diff_filepair_is_phoney(one, two))) {
show_submodule_inline_diff(o, one->path ? one->path : two->path,
&one->oid, &two->oid,
two->dirty_submodule);
@@ -3368,8 +3564,8 @@ static void builtin_diff(const char *name_a,
}
if (o->flags.allow_textconv) {
- textconv_one = get_textconv(o->repo->index, one);
- textconv_two = get_textconv(o->repo->index, two);
+ textconv_one = get_textconv(o->repo, one);
+ textconv_two = get_textconv(o->repo, two);
}
/* Never use a non-valid filename anywhere if at all possible */
@@ -3380,24 +3576,38 @@ static void builtin_diff(const char *name_a,
b_two = quote_two(b_prefix, name_b + (*name_b == '/'));
lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null";
lbl[1] = DIFF_FILE_VALID(two) ? b_two : "/dev/null";
+ if (diff_filepair_is_phoney(one, two)) {
+ /*
+ * We should only reach this point for pairs generated from
+ * create_filepairs_for_header_only_notifications(). For
+ * these, we want to avoid the "/dev/null" special casing
+ * above, because we do not want such pairs shown as either
+ * "new file" or "deleted file" below.
+ */
+ lbl[0] = a_one;
+ lbl[1] = b_two;
+ }
strbuf_addf(&header, "%s%sdiff --git %s %s%s\n", line_prefix, meta, a_one, b_two, reset);
if (lbl[0][0] == '/') {
/* /dev/null */
strbuf_addf(&header, "%s%snew file mode %06o%s\n", line_prefix, meta, two->mode, reset);
if (xfrm_msg)
strbuf_addstr(&header, xfrm_msg);
+ o->found_changes = 1;
must_show_header = 1;
}
else if (lbl[1][0] == '/') {
strbuf_addf(&header, "%s%sdeleted file mode %06o%s\n", line_prefix, meta, one->mode, reset);
if (xfrm_msg)
strbuf_addstr(&header, xfrm_msg);
+ o->found_changes = 1;
must_show_header = 1;
}
else {
if (one->mode != two->mode) {
strbuf_addf(&header, "%s%sold mode %06o%s\n", line_prefix, meta, one->mode, reset);
strbuf_addf(&header, "%s%snew mode %06o%s\n", line_prefix, meta, two->mode, reset);
+ o->found_changes = 1;
must_show_header = 1;
}
if (xfrm_msg)
@@ -3475,7 +3685,7 @@ static void builtin_diff(const char *name_a,
o->found_changes = 1;
} else {
/* Crazy xdl interfaces.. */
- const char *diffopts = getenv("GIT_DIFF_OPTS");
+ const char *diffopts;
const char *v;
xpparam_t xpp;
xdemitconf_t xecfg;
@@ -3509,6 +3719,8 @@ static void builtin_diff(const char *name_a,
if (header.len && !o->flags.suppress_diff_headers)
ecbdata.header = &header;
xpp.flags = o->xdl_opts;
+ xpp.ignore_regex = o->ignore_regex;
+ xpp.ignore_regex_nr = o->ignore_regex_nr;
xpp.anchors = o->anchors;
xpp.anchors_nr = o->anchors_nr;
xecfg.ctxlen = o->context;
@@ -3518,16 +3730,19 @@ static void builtin_diff(const char *name_a,
xecfg.flags |= XDL_EMIT_FUNCCONTEXT;
if (pe)
xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags);
+
+ diffopts = getenv("GIT_DIFF_OPTS");
if (!diffopts)
;
else if (skip_prefix(diffopts, "--unified=", &v))
xecfg.ctxlen = strtoul(v, NULL, 10);
else if (skip_prefix(diffopts, "-u", &v))
xecfg.ctxlen = strtoul(v, NULL, 10);
+
if (o->word_diff)
init_diff_words_data(&ecbdata, o, one, two);
- if (xdi_diff_outf(&mf1, &mf2, fn_out_consume, &ecbdata,
- &xpp, &xecfg))
+ if (xdi_diff_outf(&mf1, &mf2, NULL, fn_out_consume,
+ &ecbdata, &xpp, &xecfg))
die("unable to generate diff for %s", one->path);
if (o->word_diff)
free_diff_words_data(&ecbdata);
@@ -3582,7 +3797,7 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
{
mmfile_t mf1, mf2;
struct diffstat_file *data;
- int same_contents;
+ int may_differ;
int complete_rewrite = 0;
if (!DIFF_PAIR_UNMERGED(p)) {
@@ -3600,12 +3815,14 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
return;
}
- same_contents = oideq(&one->oid, &two->oid);
+ /* saves some reads if true, not a guarantee of diff outcome */
+ may_differ = !(one->oid_valid && two->oid_valid &&
+ oideq(&one->oid, &two->oid));
if (diff_filespec_is_binary(o->repo, one) ||
diff_filespec_is_binary(o->repo, two)) {
data->is_binary = 1;
- if (same_contents) {
+ if (!may_differ) {
data->added = 0;
data->deleted = 0;
} else {
@@ -3615,13 +3832,13 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
}
else if (complete_rewrite) {
- diff_populate_filespec(o->repo, one, 0);
- diff_populate_filespec(o->repo, two, 0);
+ diff_populate_filespec(o->repo, one, NULL);
+ diff_populate_filespec(o->repo, two, NULL);
data->deleted = count_lines(one->data, one->size);
data->added = count_lines(two->data, two->size);
}
- else if (!same_contents) {
+ else if (may_differ) {
/* Crazy xdl interfaces.. */
xpparam_t xpp;
xdemitconf_t xecfg;
@@ -3633,13 +3850,37 @@ static void builtin_diffstat(const char *name_a, const char *name_b,
memset(&xpp, 0, sizeof(xpp));
memset(&xecfg, 0, sizeof(xecfg));
xpp.flags = o->xdl_opts;
+ xpp.ignore_regex = o->ignore_regex;
+ xpp.ignore_regex_nr = o->ignore_regex_nr;
xpp.anchors = o->anchors;
xpp.anchors_nr = o->anchors_nr;
xecfg.ctxlen = o->context;
xecfg.interhunkctxlen = o->interhunkcontext;
- if (xdi_diff_outf(&mf1, &mf2, diffstat_consume, diffstat,
- &xpp, &xecfg))
+ xecfg.flags = XDL_EMIT_NO_HUNK_HDR;
+ if (xdi_diff_outf(&mf1, &mf2, NULL,
+ diffstat_consume, diffstat, &xpp, &xecfg))
die("unable to generate diffstat for %s", one->path);
+
+ if (DIFF_FILE_VALID(one) && DIFF_FILE_VALID(two)) {
+ struct diffstat_file *file =
+ diffstat->files[diffstat->nr - 1];
+ /*
+ * Omit diffstats of modified files where nothing changed.
+ * Even if may_differ, this might be the case due to
+ * ignoring whitespace changes, etc.
+ *
+ * But note that we special-case additions, deletions,
+ * renames, and mode changes as adding an empty file,
+ * for example is still of interest.
+ */
+ if ((p->status == DIFF_STATUS_MODIFIED)
+ && !file->added
+ && !file->deleted
+ && one->mode == two->mode) {
+ free_diffstat_file(file);
+ diffstat->nr--;
+ }
+ }
}
diff_free_filespec_data(one);
@@ -3686,7 +3927,8 @@ static void builtin_checkdiff(const char *name_a, const char *name_b,
memset(&xecfg, 0, sizeof(xecfg));
xecfg.ctxlen = 1; /* at least one context line */
xpp.flags = 0;
- if (xdi_diff_outf(&mf1, &mf2, checkdiff_consume, &data,
+ if (xdi_diff_outf(&mf1, &mf2, checkdiff_consume_hunk,
+ checkdiff_consume, &data,
&xpp, &xecfg))
die("unable to generate checkdiff for %s", one->path);
@@ -3792,6 +4034,13 @@ static int reuse_worktree_file(struct index_state *istate,
if (!want_file && would_convert_to_git(istate, name))
return 0;
+ /*
+ * If this path does not match our sparse-checkout definition,
+ * then the file will not be in the working directory.
+ */
+ if (!path_in_sparse_checkout(name, istate))
+ return 0;
+
len = strlen(name);
pos = index_name_pos(istate, name, len);
if (pos < 0)
@@ -3851,9 +4100,10 @@ static int diff_populate_gitlink(struct diff_filespec *s, int size_only)
*/
int diff_populate_filespec(struct repository *r,
struct diff_filespec *s,
- unsigned int flags)
+ const struct diff_populate_filespec_options *options)
{
- int size_only = flags & CHECK_SIZE_ONLY;
+ int size_only = options ? options->check_size_only : 0;
+ int check_binary = options ? options->check_binary : 0;
int err = 0;
int conv_flags = global_conv_flags_eol;
/*
@@ -3923,7 +4173,7 @@ int diff_populate_filespec(struct repository *r,
* opening the file and inspecting the contents, this
* is probably fine.
*/
- if ((flags & CHECK_BINARY) &&
+ if (check_binary &&
s->size > big_file_threshold && s->is_binary == -1) {
s->is_binary = 1;
return 0;
@@ -3948,12 +4198,30 @@ int diff_populate_filespec(struct repository *r,
}
}
else {
- enum object_type type;
- if (size_only || (flags & CHECK_BINARY)) {
- type = oid_object_info(r, &s->oid, &s->size);
- if (type < 0)
- die("unable to read %s",
- oid_to_hex(&s->oid));
+ struct object_info info = {
+ .sizep = &s->size
+ };
+
+ if (!(size_only || check_binary))
+ /*
+ * Set contentp, since there is no chance that merely
+ * the size is sufficient.
+ */
+ info.contentp = &s->data;
+
+ if (options && options->missing_object_cb) {
+ if (!oid_object_info_extended(r, &s->oid, &info,
+ OBJECT_INFO_LOOKUP_REPLACE |
+ OBJECT_INFO_SKIP_FETCH_OBJECT))
+ goto object_read;
+ options->missing_object_cb(options->missing_object_data);
+ }
+ if (oid_object_info_extended(r, &s->oid, &info,
+ OBJECT_INFO_LOOKUP_REPLACE))
+ die("unable to read %s", oid_to_hex(&s->oid));
+
+object_read:
+ if (size_only || check_binary) {
if (size_only)
return 0;
if (s->size > big_file_threshold && s->is_binary == -1) {
@@ -3961,9 +4229,12 @@ int diff_populate_filespec(struct repository *r,
return 0;
}
}
- s->data = read_object_file(&s->oid, &type, &s->size);
- if (!s->data)
- die("unable to read %s", oid_to_hex(&s->oid));
+ if (!info.contentp) {
+ info.contentp = &s->data;
+ if (oid_object_info_extended(r, &s->oid, &info,
+ OBJECT_INFO_LOOKUP_REPLACE))
+ die("unable to read %s", oid_to_hex(&s->oid));
+ }
s->should_free = 1;
}
return 0;
@@ -3984,6 +4255,9 @@ void diff_free_filespec_blob(struct diff_filespec *s)
void diff_free_filespec_data(struct diff_filespec *s)
{
+ if (!s)
+ return;
+
diff_free_filespec_blob(s);
FREE_AND_NULL(s->cnt_data);
}
@@ -3996,19 +4270,17 @@ static void prep_temp_blob(struct index_state *istate,
int mode)
{
struct strbuf buf = STRBUF_INIT;
- struct strbuf tempfile = STRBUF_INIT;
char *path_dup = xstrdup(path);
const char *base = basename(path_dup);
+ struct checkout_metadata meta;
- /* Generate "XXXXXX_basename.ext" */
- strbuf_addstr(&tempfile, "XXXXXX_");
- strbuf_addstr(&tempfile, base);
+ init_checkout_metadata(&meta, NULL, NULL, oid);
- temp->tempfile = mks_tempfile_ts(tempfile.buf, strlen(base) + 1);
+ temp->tempfile = mks_tempfile_dt("git-blob-XXXXXX", base);
if (!temp->tempfile)
die_errno("unable to create temp-file");
if (convert_to_working_tree(istate, path,
- (const char *)blob, (size_t)size, &buf)) {
+ (const char *)blob, (size_t)size, &buf, &meta)) {
blob = buf.buf;
size = buf.len;
}
@@ -4019,12 +4291,10 @@ static void prep_temp_blob(struct index_state *istate,
oid_to_hex_r(temp->hex, oid);
xsnprintf(temp->mode, sizeof(temp->mode), "%06o", mode);
strbuf_release(&buf);
- strbuf_release(&tempfile);
free(path_dup);
}
static struct diff_tempfile *prepare_temp_file(struct repository *r,
- const char *name,
struct diff_filespec *one)
{
struct diff_tempfile *temp = claim_diff_tempfile();
@@ -4042,29 +4312,29 @@ static struct diff_tempfile *prepare_temp_file(struct repository *r,
if (!S_ISGITLINK(one->mode) &&
(!one->oid_valid ||
- reuse_worktree_file(r->index, name, &one->oid, 1))) {
+ reuse_worktree_file(r->index, one->path, &one->oid, 1))) {
struct stat st;
- if (lstat(name, &st) < 0) {
+ if (lstat(one->path, &st) < 0) {
if (errno == ENOENT)
goto not_a_valid_file;
- die_errno("stat(%s)", name);
+ die_errno("stat(%s)", one->path);
}
if (S_ISLNK(st.st_mode)) {
struct strbuf sb = STRBUF_INIT;
- if (strbuf_readlink(&sb, name, st.st_size) < 0)
- die_errno("readlink(%s)", name);
- prep_temp_blob(r->index, name, temp, sb.buf, sb.len,
+ if (strbuf_readlink(&sb, one->path, st.st_size) < 0)
+ die_errno("readlink(%s)", one->path);
+ prep_temp_blob(r->index, one->path, temp, sb.buf, sb.len,
(one->oid_valid ?
- &one->oid : &null_oid),
+ &one->oid : null_oid()),
(one->oid_valid ?
one->mode : S_IFLNK));
strbuf_release(&sb);
}
else {
/* we can borrow from the file in the work tree */
- temp->name = name;
+ temp->name = one->path;
if (!one->oid_valid)
- oid_to_hex_r(temp->hex, &null_oid);
+ oid_to_hex_r(temp->hex, null_oid());
else
oid_to_hex_r(temp->hex, &one->oid);
/* Even though we may sometimes borrow the
@@ -4078,9 +4348,9 @@ static struct diff_tempfile *prepare_temp_file(struct repository *r,
return temp;
}
else {
- if (diff_populate_filespec(r, one, 0))
+ if (diff_populate_filespec(r, one, NULL))
die("cannot read data blob for %s", one->path);
- prep_temp_blob(r->index, name, temp,
+ prep_temp_blob(r->index, one->path, temp,
one->data, one->size,
&one->oid, one->mode);
}
@@ -4088,14 +4358,13 @@ static struct diff_tempfile *prepare_temp_file(struct repository *r,
}
static void add_external_diff_name(struct repository *r,
- struct argv_array *argv,
- const char *name,
+ struct strvec *argv,
struct diff_filespec *df)
{
- struct diff_tempfile *temp = prepare_temp_file(r, name, df);
- argv_array_push(argv, temp->name);
- argv_array_push(argv, temp->hex);
- argv_array_push(argv, temp->mode);
+ struct diff_tempfile *temp = prepare_temp_file(r, df);
+ strvec_push(argv, temp->name);
+ strvec_push(argv, temp->hex);
+ strvec_push(argv, temp->mode);
}
/* An external diff command takes:
@@ -4110,36 +4379,35 @@ static void run_external_diff(const char *pgm,
struct diff_filespec *one,
struct diff_filespec *two,
const char *xfrm_msg,
- int complete_rewrite,
struct diff_options *o)
{
- struct argv_array argv = ARGV_ARRAY_INIT;
- struct argv_array env = ARGV_ARRAY_INIT;
+ struct child_process cmd = CHILD_PROCESS_INIT;
struct diff_queue_struct *q = &diff_queued_diff;
- argv_array_push(&argv, pgm);
- argv_array_push(&argv, name);
+ strvec_push(&cmd.args, pgm);
+ strvec_push(&cmd.args, name);
if (one && two) {
- add_external_diff_name(o->repo, &argv, name, one);
- if (!other)
- add_external_diff_name(o->repo, &argv, name, two);
- else {
- add_external_diff_name(o->repo, &argv, other, two);
- argv_array_push(&argv, other);
- argv_array_push(&argv, xfrm_msg);
+ add_external_diff_name(o->repo, &cmd.args, one);
+ add_external_diff_name(o->repo, &cmd.args, two);
+ if (other) {
+ strvec_push(&cmd.args, other);
+ if (xfrm_msg)
+ strvec_push(&cmd.args, xfrm_msg);
}
}
- argv_array_pushf(&env, "GIT_DIFF_PATH_COUNTER=%d", ++o->diff_path_counter);
- argv_array_pushf(&env, "GIT_DIFF_PATH_TOTAL=%d", q->nr);
+ strvec_pushf(&cmd.env, "GIT_DIFF_PATH_COUNTER=%d",
+ ++o->diff_path_counter);
+ strvec_pushf(&cmd.env, "GIT_DIFF_PATH_TOTAL=%d", q->nr);
- if (run_command_v_opt_cd_env(argv.argv, RUN_USING_SHELL, NULL, env.argv))
+ diff_free_filespec_data(one);
+ diff_free_filespec_data(two);
+ cmd.use_shell = 1;
+ if (run_command(&cmd))
die(_("external diff died, stopping at %s"), name);
remove_tempfile();
- argv_array_clear(&argv);
- argv_array_clear(&env);
}
static int similarity_index(struct diff_filepair *p)
@@ -4150,7 +4418,7 @@ static int similarity_index(struct diff_filepair *p)
static const char *diff_abbrev_oid(const struct object_id *oid, int abbrev)
{
if (startup_info->have_repository)
- return find_unique_abbrev(oid, abbrev);
+ return repo_find_unique_abbrev(the_repository, oid, abbrev);
else {
char *hex = oid_to_hex(oid);
if (abbrev < 0)
@@ -4176,6 +4444,7 @@ static void fill_metainfo(struct strbuf *msg,
const char *set = diff_get_color(use_color, DIFF_METAINFO);
const char *reset = diff_get_color(use_color, DIFF_RESET);
const char *line_prefix = diff_line_prefix(o);
+ struct string_list *more_headers = NULL;
*must_show_header = 1;
strbuf_init(msg, PATH_MAX * 2 + 300);
@@ -4212,9 +4481,17 @@ static void fill_metainfo(struct strbuf *msg,
default:
*must_show_header = 0;
}
+ if ((more_headers = additional_headers(o, name))) {
+ add_formatted_headers(msg, more_headers,
+ line_prefix, set, reset);
+ *must_show_header = 1;
+ }
if (one && two && !oideq(&one->oid, &two->oid)) {
const unsigned hexsz = the_hash_algo->hexsz;
- int abbrev = o->flags.full_index ? hexsz : DEFAULT_ABBREV;
+ int abbrev = o->abbrev ? o->abbrev : DEFAULT_ABBREV;
+
+ if (o->flags.full_index)
+ abbrev = hexsz;
if (o->flags.binary) {
mmfile_t mf;
@@ -4246,15 +4523,13 @@ static void run_diff_cmd(const char *pgm,
const char *xfrm_msg = NULL;
int complete_rewrite = (p->status == DIFF_STATUS_MODIFIED) && p->score;
int must_show_header = 0;
+ struct userdiff_driver *drv = NULL;
-
- if (o->flags.allow_external) {
- struct userdiff_driver *drv;
-
+ if (o->flags.allow_external || !o->ignore_driver_algorithm)
drv = userdiff_find_by_path(o->repo->index, attr_path);
- if (drv && drv->external)
- pgm = drv->external;
- }
+
+ if (o->flags.allow_external && drv && drv->external)
+ pgm = drv->external;
if (msg) {
/*
@@ -4268,16 +4543,19 @@ static void run_diff_cmd(const char *pgm,
}
if (pgm) {
- run_external_diff(pgm, name, other, one, two, xfrm_msg,
- complete_rewrite, o);
+ run_external_diff(pgm, name, other, one, two, xfrm_msg, o);
return;
}
- if (one && two)
+ if (one && two) {
+ if (!o->ignore_driver_algorithm && drv && drv->algorithm)
+ set_diff_algorithm(o, drv->algorithm);
+
builtin_diff(name, other ? other : name,
one, two, xfrm_msg, must_show_header,
o, complete_rewrite);
- else
+ } else {
fprintf(o->file, "* Unmerged path %s\n", name);
+ }
}
static void diff_fill_oid_info(struct diff_filespec *one, struct index_state *istate)
@@ -4302,12 +4580,12 @@ static void diff_fill_oid_info(struct diff_filespec *one, struct index_state *is
static void strip_prefix(int prefix_length, const char **namep, const char **otherp)
{
/* Strip the prefix but do not molest /dev/null and absolute paths */
- if (*namep && **namep != '/') {
+ if (*namep && !is_absolute_path(*namep)) {
*namep += prefix_length;
if (**namep == '/')
++*namep;
}
- if (*otherp && **otherp != '/') {
+ if (*otherp && !is_absolute_path(*otherp)) {
*otherp += prefix_length;
if (**otherp == '/')
++*otherp;
@@ -4374,6 +4652,14 @@ static void run_diffstat(struct diff_filepair *p, struct diff_options *o,
const char *name;
const char *other;
+ if (!o->ignore_driver_algorithm) {
+ struct userdiff_driver *drv = userdiff_find_by_path(o->repo->index,
+ p->one->path);
+
+ if (drv && drv->algorithm)
+ set_diff_algorithm(o, drv->algorithm);
+ }
+
if (DIFF_PAIR_UNMERGED(p)) {
/* unmerged */
builtin_diffstat(p->one->path, NULL, NULL, NULL,
@@ -4437,6 +4723,7 @@ void repo_diff_setup(struct repository *r, struct diff_options *options)
options->interhunkcontext = diff_interhunk_context_default;
options->ws_error_highlight = ws_error_highlight_default;
options->flags.rename_empty = 1;
+ options->flags.relative_name = diff_relative;
options->objfind = NULL;
/* pathchange left =NULL by default */
@@ -4450,17 +4737,81 @@ void repo_diff_setup(struct repository *r, struct diff_options *options)
options->orderfile = diff_order_file_cfg;
+ if (!options->flags.ignore_submodule_set)
+ options->flags.ignore_untracked_in_submodules = 1;
+
if (diff_no_prefix) {
- options->a_prefix = options->b_prefix = "";
+ diff_set_noprefix(options);
} else if (!diff_mnemonic_prefix) {
- options->a_prefix = "a/";
- options->b_prefix = "b/";
+ diff_set_default_prefix(options);
}
options->color_moved = diff_color_moved_default;
options->color_moved_ws_handling = diff_color_moved_ws_default;
}
+static const char diff_status_letters[] = {
+ DIFF_STATUS_ADDED,
+ DIFF_STATUS_COPIED,
+ DIFF_STATUS_DELETED,
+ DIFF_STATUS_MODIFIED,
+ DIFF_STATUS_RENAMED,
+ DIFF_STATUS_TYPE_CHANGED,
+ DIFF_STATUS_UNKNOWN,
+ DIFF_STATUS_UNMERGED,
+ DIFF_STATUS_FILTER_AON,
+ DIFF_STATUS_FILTER_BROKEN,
+ '\0',
+};
+
+static unsigned int filter_bit['Z' + 1];
+
+static void prepare_filter_bits(void)
+{
+ int i;
+
+ if (!filter_bit[DIFF_STATUS_ADDED]) {
+ for (i = 0; diff_status_letters[i]; i++)
+ filter_bit[(int) diff_status_letters[i]] = (1 << i);
+ }
+}
+
+static unsigned filter_bit_tst(char status, const struct diff_options *opt)
+{
+ return opt->filter & filter_bit[(int) status];
+}
+
+unsigned diff_filter_bit(char status)
+{
+ prepare_filter_bits();
+ return filter_bit[(int) status];
+}
+
+int diff_check_follow_pathspec(struct pathspec *ps, int die_on_error)
+{
+ unsigned forbidden_magic;
+
+ if (ps->nr != 1) {
+ if (die_on_error)
+ die(_("--follow requires exactly one pathspec"));
+ return 0;
+ }
+
+ forbidden_magic = ps->items[0].magic & ~(PATHSPEC_FROMTOP |
+ PATHSPEC_LITERAL);
+ if (forbidden_magic) {
+ if (die_on_error) {
+ struct strbuf sb = STRBUF_INIT;
+ pathspec_magic_names(forbidden_magic, &sb);
+ die(_("pathspec magic not supported by --follow: %s"),
+ sb.buf);
+ }
+ return 0;
+ }
+
+ return 1;
+}
+
void diff_setup_done(struct diff_options *options)
{
unsigned check_mask = DIFF_FORMAT_NAME |
@@ -4477,10 +4828,20 @@ void diff_setup_done(struct diff_options *options)
options->set_default(options);
if (HAS_MULTI_BITS(options->output_format & check_mask))
- die(_("--name-only, --name-status, --check and -s are mutually exclusive"));
+ die(_("options '%s', '%s', '%s', and '%s' cannot be used together"),
+ "--name-only", "--name-status", "--check", "-s");
if (HAS_MULTI_BITS(options->pickaxe_opts & DIFF_PICKAXE_KINDS_MASK))
- die(_("-G, -S and --find-object are mutually exclusive"));
+ die(_("options '%s', '%s', and '%s' cannot be used together"),
+ "-G", "-S", "--find-object");
+
+ if (HAS_MULTI_BITS(options->pickaxe_opts & DIFF_PICKAXE_KINDS_G_REGEX_MASK))
+ die(_("options '%s' and '%s' cannot be used together, use '%s' with '%s'"),
+ "-G", "--pickaxe-regex", "--pickaxe-regex", "-S");
+
+ if (HAS_MULTI_BITS(options->pickaxe_opts & DIFF_PICKAXE_KINDS_ALL_OBJFIND_MASK))
+ die(_("options '%s' and '%s' cannot be used together, use '%s' with '%s' and '%s'"),
+ "--pickaxe-all", "--find-object", "--pickaxe-all", "-G", "-S");
/*
* Most of the time we can say "there are changes"
@@ -4489,7 +4850,8 @@ void diff_setup_done(struct diff_options *options)
* inside contents.
*/
- if ((options->xdl_opts & XDF_WHITESPACE_FLAGS))
+ if ((options->xdl_opts & XDF_WHITESPACE_FLAGS) ||
+ options->ignore_regex_nr)
options->flags.diff_from_contents = 1;
else
options->flags.diff_from_contents = 0;
@@ -4504,6 +4866,10 @@ void diff_setup_done(struct diff_options *options)
else
options->prefix_length = 0;
+ /*
+ * --name-only, --name-status, --checkdiff, and -s
+ * turn other output format off.
+ */
if (options->output_format & (DIFF_FORMAT_NAME |
DIFF_FORMAT_NAME_STATUS |
DIFF_FORMAT_CHECKDIFF |
@@ -4557,73 +4923,17 @@ void diff_setup_done(struct diff_options *options)
options->diff_path_counter = 0;
- if (options->flags.follow_renames && options->pathspec.nr != 1)
- die(_("--follow requires exactly one pathspec"));
+ if (options->flags.follow_renames)
+ diff_check_follow_pathspec(&options->pathspec, 1);
if (!options->use_color || external_diff())
options->color_moved = 0;
-}
-
-static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *val)
-{
- char c, *eq;
- int len;
-
- if (*arg != '-')
- return 0;
- c = *++arg;
- if (!c)
- return 0;
- if (c == arg_short) {
- c = *++arg;
- if (!c)
- return 1;
- if (val && isdigit(c)) {
- char *end;
- int n = strtoul(arg, &end, 10);
- if (*end)
- return 0;
- *val = n;
- return 1;
- }
- return 0;
- }
- if (c != '-')
- return 0;
- arg++;
- eq = strchrnul(arg, '=');
- len = eq - arg;
- if (!len || strncmp(arg, arg_long, len))
- return 0;
- if (*eq) {
- int n;
- char *end;
- if (!isdigit(*++eq))
- return 0;
- n = strtoul(eq, &end, 10);
- if (*end)
- return 0;
- *val = n;
- }
- return 1;
-}
-static int diff_scoreopt_parse(const char *opt);
-
-static inline int short_opt(char opt, const char **argv,
- const char **optarg)
-{
- const char *arg = argv[0];
- if (arg[0] != '-' || arg[1] != opt)
- return 0;
- if (arg[2] != '\0') {
- *optarg = arg + 2;
- return 1;
+ if (options->filter_not) {
+ if (!options->filter)
+ options->filter = ~filter_bit[DIFF_STATUS_FILTER_AON];
+ options->filter &= ~options->filter_not;
}
- if (!argv[1])
- die("Option '%c' requires a value", opt);
- *optarg = argv[1];
- return 2;
}
int parse_long_opt(const char *opt, const char **argv,
@@ -4647,77 +4957,57 @@ int parse_long_opt(const char *opt, const char **argv,
return 2;
}
-static int stat_opt(struct diff_options *options, const char **av)
+static int diff_opt_stat(const struct option *opt, const char *value, int unset)
{
- const char *arg = av[0];
- char *end;
+ struct diff_options *options = opt->value;
int width = options->stat_width;
int name_width = options->stat_name_width;
int graph_width = options->stat_graph_width;
int count = options->stat_count;
- int argcount = 1;
+ char *end;
- if (!skip_prefix(arg, "--stat", &arg))
- BUG("stat option does not begin with --stat: %s", arg);
- end = (char *)arg;
+ BUG_ON_OPT_NEG(unset);
- switch (*arg) {
- case '-':
- if (skip_prefix(arg, "-width", &arg)) {
- if (*arg == '=')
- width = strtoul(arg + 1, &end, 10);
- else if (!*arg && !av[1])
- die_want_option("--stat-width");
- else if (!*arg) {
- width = strtoul(av[1], &end, 10);
- argcount = 2;
- }
- } else if (skip_prefix(arg, "-name-width", &arg)) {
- if (*arg == '=')
- name_width = strtoul(arg + 1, &end, 10);
- else if (!*arg && !av[1])
- die_want_option("--stat-name-width");
- else if (!*arg) {
- name_width = strtoul(av[1], &end, 10);
- argcount = 2;
- }
- } else if (skip_prefix(arg, "-graph-width", &arg)) {
- if (*arg == '=')
- graph_width = strtoul(arg + 1, &end, 10);
- else if (!*arg && !av[1])
- die_want_option("--stat-graph-width");
- else if (!*arg) {
- graph_width = strtoul(av[1], &end, 10);
- argcount = 2;
- }
- } else if (skip_prefix(arg, "-count", &arg)) {
- if (*arg == '=')
- count = strtoul(arg + 1, &end, 10);
- else if (!*arg && !av[1])
- die_want_option("--stat-count");
- else if (!*arg) {
- count = strtoul(av[1], &end, 10);
- argcount = 2;
- }
+ if (!strcmp(opt->long_name, "stat")) {
+ if (value) {
+ width = strtoul(value, &end, 10);
+ if (*end == ',')
+ name_width = strtoul(end+1, &end, 10);
+ if (*end == ',')
+ count = strtoul(end+1, &end, 10);
+ if (*end)
+ return error(_("invalid --stat value: %s"), value);
}
- break;
- case '=':
- width = strtoul(arg+1, &end, 10);
- if (*end == ',')
- name_width = strtoul(end+1, &end, 10);
- if (*end == ',')
- count = strtoul(end+1, &end, 10);
- }
+ } else if (!strcmp(opt->long_name, "stat-width")) {
+ width = strtoul(value, &end, 10);
+ if (*end)
+ return error(_("%s expects a numerical value"),
+ opt->long_name);
+ } else if (!strcmp(opt->long_name, "stat-name-width")) {
+ name_width = strtoul(value, &end, 10);
+ if (*end)
+ return error(_("%s expects a numerical value"),
+ opt->long_name);
+ } else if (!strcmp(opt->long_name, "stat-graph-width")) {
+ graph_width = strtoul(value, &end, 10);
+ if (*end)
+ return error(_("%s expects a numerical value"),
+ opt->long_name);
+ } else if (!strcmp(opt->long_name, "stat-count")) {
+ count = strtoul(value, &end, 10);
+ if (*end)
+ return error(_("%s expects a numerical value"),
+ opt->long_name);
+ } else
+ BUG("%s should not get here", opt->long_name);
- /* Important! This checks all the error cases! */
- if (*end)
- return 0;
+ options->output_format &= ~DIFF_FORMAT_NO_OUTPUT;
options->output_format |= DIFF_FORMAT_DIFFSTAT;
options->stat_name_width = name_width;
options->stat_graph_width = graph_width;
options->stat_width = width;
options->stat_count = count;
- return argcount;
+ return 0;
}
static int parse_dirstat_opt(struct diff_options *options, const char *params)
@@ -4731,70 +5021,20 @@ static int parse_dirstat_opt(struct diff_options *options, const char *params)
* The caller knows a dirstat-related option is given from the command
* line; allow it to say "return this_function();"
*/
+ options->output_format &= ~DIFF_FORMAT_NO_OUTPUT;
options->output_format |= DIFF_FORMAT_DIRSTAT;
return 1;
}
-static int parse_submodule_opt(struct diff_options *options, const char *value)
-{
- if (parse_submodule_params(options, value))
- die(_("Failed to parse --submodule option parameter: '%s'"),
- value);
- return 1;
-}
-
-static const char diff_status_letters[] = {
- DIFF_STATUS_ADDED,
- DIFF_STATUS_COPIED,
- DIFF_STATUS_DELETED,
- DIFF_STATUS_MODIFIED,
- DIFF_STATUS_RENAMED,
- DIFF_STATUS_TYPE_CHANGED,
- DIFF_STATUS_UNKNOWN,
- DIFF_STATUS_UNMERGED,
- DIFF_STATUS_FILTER_AON,
- DIFF_STATUS_FILTER_BROKEN,
- '\0',
-};
-
-static unsigned int filter_bit['Z' + 1];
-
-static void prepare_filter_bits(void)
-{
- int i;
-
- if (!filter_bit[DIFF_STATUS_ADDED]) {
- for (i = 0; diff_status_letters[i]; i++)
- filter_bit[(int) diff_status_letters[i]] = (1 << i);
- }
-}
-
-static unsigned filter_bit_tst(char status, const struct diff_options *opt)
-{
- return opt->filter & filter_bit[(int) status];
-}
-
-static int parse_diff_filter_opt(const char *optarg, struct diff_options *opt)
+static int diff_opt_diff_filter(const struct option *option,
+ const char *optarg, int unset)
{
+ struct diff_options *opt = option->value;
int i, optch;
+ BUG_ON_OPT_NEG(unset);
prepare_filter_bits();
- /*
- * If there is a negation e.g. 'd' in the input, and we haven't
- * initialized the filter field with another --diff-filter, start
- * from full set of bits, except for AON.
- */
- if (!opt->filter) {
- for (i = 0; (optch = optarg[i]) != '\0'; i++) {
- if (optch < 'a' || 'z' < optch)
- continue;
- opt->filter = (1 << (ARRAY_SIZE(diff_status_letters) - 1)) - 1;
- opt->filter &= ~filter_bit[DIFF_STATUS_FILTER_AON];
- break;
- }
- }
-
for (i = 0; (optch = optarg[i]) != '\0'; i++) {
unsigned int bit;
int negate;
@@ -4808,243 +5048,475 @@ static int parse_diff_filter_opt(const char *optarg, struct diff_options *opt)
bit = (0 <= optch && optch <= 'Z') ? filter_bit[optch] : 0;
if (!bit)
- return optarg[i];
+ return error(_("unknown change class '%c' in --diff-filter=%s"),
+ optarg[i], optarg);
if (negate)
- opt->filter &= ~bit;
+ opt->filter_not |= bit;
else
opt->filter |= bit;
}
return 0;
}
-static void enable_patch_output(int *fmt) {
+static void enable_patch_output(int *fmt)
+{
*fmt &= ~DIFF_FORMAT_NO_OUTPUT;
*fmt |= DIFF_FORMAT_PATCH;
}
-static int parse_ws_error_highlight_opt(struct diff_options *opt, const char *arg)
+static int diff_opt_ws_error_highlight(const struct option *option,
+ const char *arg, int unset)
{
+ struct diff_options *opt = option->value;
int val = parse_ws_error_highlight(arg);
- if (val < 0) {
- error("unknown value after ws-error-highlight=%.*s",
- -1 - val, arg);
- return 0;
- }
+ BUG_ON_OPT_NEG(unset);
+ if (val < 0)
+ return error(_("unknown value after ws-error-highlight=%.*s"),
+ -1 - val, arg);
opt->ws_error_highlight = val;
- return 1;
+ return 0;
}
-static int parse_objfind_opt(struct diff_options *opt, const char *arg)
+static int diff_opt_find_object(const struct option *option,
+ const char *arg, int unset)
{
+ struct diff_options *opt = option->value;
struct object_id oid;
- if (get_oid(arg, &oid))
- return error("unable to resolve '%s'", arg);
+ BUG_ON_OPT_NEG(unset);
+ if (repo_get_oid(the_repository, arg, &oid))
+ return error(_("unable to resolve '%s'"), arg);
if (!opt->objfind)
- opt->objfind = xcalloc(1, sizeof(*opt->objfind));
+ CALLOC_ARRAY(opt->objfind, 1);
opt->pickaxe_opts |= DIFF_PICKAXE_KIND_OBJFIND;
opt->flags.recursive = 1;
opt->flags.tree_in_recursive = 1;
oidset_insert(opt->objfind, &oid);
- return 1;
+ return 0;
}
-int diff_opt_parse(struct diff_options *options,
- const char **av, int ac, const char *prefix)
+static int diff_opt_anchored(const struct option *opt,
+ const char *arg, int unset)
{
- const char *arg = av[0];
- const char *optarg;
- int argcount;
+ struct diff_options *options = opt->value;
- if (!prefix)
- prefix = "";
+ BUG_ON_OPT_NEG(unset);
+ options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
+ ALLOC_GROW(options->anchors, options->anchors_nr + 1,
+ options->anchors_alloc);
+ options->anchors[options->anchors_nr++] = xstrdup(arg);
+ return 0;
+}
- /* Output format options */
- if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch")
- || opt_arg(arg, 'U', "unified", &options->context))
- enable_patch_output(&options->output_format);
- else if (!strcmp(arg, "--raw"))
- options->output_format |= DIFF_FORMAT_RAW;
- else if (!strcmp(arg, "--patch-with-raw")) {
- enable_patch_output(&options->output_format);
- options->output_format |= DIFF_FORMAT_RAW;
- } else if (!strcmp(arg, "--numstat"))
- options->output_format |= DIFF_FORMAT_NUMSTAT;
- else if (!strcmp(arg, "--shortstat"))
- options->output_format |= DIFF_FORMAT_SHORTSTAT;
- else if (skip_prefix(arg, "-X", &arg) ||
- skip_to_optional_arg(arg, "--dirstat", &arg))
- return parse_dirstat_opt(options, arg);
- else if (!strcmp(arg, "--cumulative"))
- return parse_dirstat_opt(options, "cumulative");
- else if (skip_to_optional_arg(arg, "--dirstat-by-file", &arg)) {
- parse_dirstat_opt(options, "files");
- return parse_dirstat_opt(options, arg);
- }
- else if (!strcmp(arg, "--check"))
- options->output_format |= DIFF_FORMAT_CHECKDIFF;
- else if (!strcmp(arg, "--summary"))
- options->output_format |= DIFF_FORMAT_SUMMARY;
- else if (!strcmp(arg, "--patch-with-stat")) {
- enable_patch_output(&options->output_format);
- options->output_format |= DIFF_FORMAT_DIFFSTAT;
- } else if (!strcmp(arg, "--name-only"))
- options->output_format |= DIFF_FORMAT_NAME;
- else if (!strcmp(arg, "--name-status"))
- options->output_format |= DIFF_FORMAT_NAME_STATUS;
- else if (!strcmp(arg, "-s") || !strcmp(arg, "--no-patch"))
- options->output_format |= DIFF_FORMAT_NO_OUTPUT;
- else if (starts_with(arg, "--stat"))
- /* --stat, --stat-width, --stat-name-width, or --stat-count */
- return stat_opt(options, av);
- else if (!strcmp(arg, "--compact-summary")) {
- options->flags.stat_with_summary = 1;
- options->output_format |= DIFF_FORMAT_DIFFSTAT;
- } else if (!strcmp(arg, "--no-compact-summary"))
- options->flags.stat_with_summary = 0;
- else if (skip_prefix(arg, "--output-indicator-new=", &arg))
- options->output_indicators[OUTPUT_INDICATOR_NEW] = arg[0];
- else if (skip_prefix(arg, "--output-indicator-old=", &arg))
- options->output_indicators[OUTPUT_INDICATOR_OLD] = arg[0];
- else if (skip_prefix(arg, "--output-indicator-context=", &arg))
- options->output_indicators[OUTPUT_INDICATOR_CONTEXT] = arg[0];
-
- /* renames options */
- else if (starts_with(arg, "-B") ||
- skip_to_optional_arg(arg, "--break-rewrites", NULL)) {
- if ((options->break_opt = diff_scoreopt_parse(arg)) == -1)
- return error("invalid argument to -B: %s", arg+2);
- }
- else if (starts_with(arg, "-M") ||
- skip_to_optional_arg(arg, "--find-renames", NULL)) {
- if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
- return error("invalid argument to -M: %s", arg+2);
- options->detect_rename = DIFF_DETECT_RENAME;
- }
- else if (!strcmp(arg, "-D") || !strcmp(arg, "--irreversible-delete")) {
- options->irreversible_delete = 1;
- }
- else if (starts_with(arg, "-C") ||
- skip_to_optional_arg(arg, "--find-copies", NULL)) {
- if (options->detect_rename == DIFF_DETECT_COPY)
- options->flags.find_copies_harder = 1;
- if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
- return error("invalid argument to -C: %s", arg+2);
- options->detect_rename = DIFF_DETECT_COPY;
+static int diff_opt_binary(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+ enable_patch_output(&options->output_format);
+ options->flags.binary = 1;
+ return 0;
+}
+
+static int diff_opt_break_rewrites(const struct option *opt,
+ const char *arg, int unset)
+{
+ int *break_opt = opt->value;
+ int opt1, opt2;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!arg)
+ arg = "";
+ opt1 = parse_rename_score(&arg);
+ if (*arg == 0)
+ opt2 = 0;
+ else if (*arg != '/')
+ return error(_("%s expects <n>/<m> form"), opt->long_name);
+ else {
+ arg++;
+ opt2 = parse_rename_score(&arg);
}
- else if (!strcmp(arg, "--no-renames"))
- options->detect_rename = 0;
- else if (!strcmp(arg, "--rename-empty"))
- options->flags.rename_empty = 1;
- else if (!strcmp(arg, "--no-rename-empty"))
- options->flags.rename_empty = 0;
- else if (skip_to_optional_arg_default(arg, "--relative", &arg, NULL)) {
- options->flags.relative_name = 1;
- if (arg)
- options->prefix = arg;
- }
-
- /* xdiff options */
- else if (!strcmp(arg, "--minimal"))
- DIFF_XDL_SET(options, NEED_MINIMAL);
- else if (!strcmp(arg, "--no-minimal"))
- DIFF_XDL_CLR(options, NEED_MINIMAL);
- else if (!strcmp(arg, "-w") || !strcmp(arg, "--ignore-all-space"))
- DIFF_XDL_SET(options, IGNORE_WHITESPACE);
- else if (!strcmp(arg, "-b") || !strcmp(arg, "--ignore-space-change"))
- DIFF_XDL_SET(options, IGNORE_WHITESPACE_CHANGE);
- else if (!strcmp(arg, "--ignore-space-at-eol"))
- DIFF_XDL_SET(options, IGNORE_WHITESPACE_AT_EOL);
- else if (!strcmp(arg, "--ignore-cr-at-eol"))
- DIFF_XDL_SET(options, IGNORE_CR_AT_EOL);
- else if (!strcmp(arg, "--ignore-blank-lines"))
- DIFF_XDL_SET(options, IGNORE_BLANK_LINES);
- else if (!strcmp(arg, "--indent-heuristic"))
- DIFF_XDL_SET(options, INDENT_HEURISTIC);
- else if (!strcmp(arg, "--no-indent-heuristic"))
- DIFF_XDL_CLR(options, INDENT_HEURISTIC);
- else if (!strcmp(arg, "--patience")) {
- int i;
- options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
- /*
- * Both --patience and --anchored use PATIENCE_DIFF
- * internally, so remove any anchors previously
- * specified.
- */
- for (i = 0; i < options->anchors_nr; i++)
- free(options->anchors[i]);
- options->anchors_nr = 0;
- } else if (!strcmp(arg, "--histogram"))
- options->xdl_opts = DIFF_WITH_ALG(options, HISTOGRAM_DIFF);
- else if ((argcount = parse_long_opt("diff-algorithm", av, &optarg))) {
- long value = parse_algorithm_value(optarg);
- if (value < 0)
- return error("option diff-algorithm accepts \"myers\", "
- "\"minimal\", \"patience\" and \"histogram\"");
- /* clear out previous settings */
- DIFF_XDL_CLR(options, NEED_MINIMAL);
- options->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK;
- options->xdl_opts |= value;
- return argcount;
- } else if (skip_prefix(arg, "--anchored=", &arg)) {
- options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
- ALLOC_GROW(options->anchors, options->anchors_nr + 1,
- options->anchors_alloc);
- options->anchors[options->anchors_nr++] = xstrdup(arg);
- }
-
- /* flags options */
- else if (!strcmp(arg, "--binary")) {
- enable_patch_output(&options->output_format);
- options->flags.binary = 1;
- }
- else if (!strcmp(arg, "--full-index"))
- options->flags.full_index = 1;
- else if (!strcmp(arg, "-a") || !strcmp(arg, "--text"))
- options->flags.text = 1;
- else if (!strcmp(arg, "-R"))
- options->flags.reverse_diff = 1;
- else if (!strcmp(arg, "--find-copies-harder"))
- options->flags.find_copies_harder = 1;
- else if (!strcmp(arg, "--follow"))
- options->flags.follow_renames = 1;
- else if (!strcmp(arg, "--no-follow")) {
- options->flags.follow_renames = 0;
- options->flags.default_follow_renames = 0;
- } else if (skip_to_optional_arg_default(arg, "--color", &arg, "always")) {
- int value = git_config_colorbool(NULL, arg);
- if (value < 0)
- return error("option `color' expects \"always\", \"auto\", or \"never\"");
- options->use_color = value;
- }
- else if (!strcmp(arg, "--no-color"))
- options->use_color = 0;
- else if (!strcmp(arg, "--color-moved")) {
+ if (*arg != 0)
+ return error(_("%s expects <n>/<m> form"), opt->long_name);
+ *break_opt = opt1 | (opt2 << 16);
+ return 0;
+}
+
+static int diff_opt_char(const struct option *opt,
+ const char *arg, int unset)
+{
+ char *value = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (arg[1])
+ return error(_("%s expects a character, got '%s'"),
+ opt->long_name, arg);
+ *value = arg[0];
+ return 0;
+}
+
+static int diff_opt_color_moved(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ if (unset) {
+ options->color_moved = COLOR_MOVED_NO;
+ } else if (!arg) {
if (diff_color_moved_default)
options->color_moved = diff_color_moved_default;
if (options->color_moved == COLOR_MOVED_NO)
options->color_moved = COLOR_MOVED_DEFAULT;
- } else if (!strcmp(arg, "--no-color-moved"))
- options->color_moved = COLOR_MOVED_NO;
- else if (skip_prefix(arg, "--color-moved=", &arg)) {
+ } else {
int cm = parse_color_moved(arg);
if (cm < 0)
- die("bad --color-moved argument: %s", arg);
+ return error(_("bad --color-moved argument: %s"), arg);
options->color_moved = cm;
- } else if (skip_prefix(arg, "--color-moved-ws=", &arg)) {
- options->color_moved_ws_handling = parse_color_moved_ws(arg);
- } else if (skip_to_optional_arg_default(arg, "--color-words", &options->word_regex, NULL)) {
- options->use_color = 1;
- options->word_diff = DIFF_WORDS_COLOR;
}
- else if (!strcmp(arg, "--word-diff")) {
- if (options->word_diff == DIFF_WORDS_NONE)
- options->word_diff = DIFF_WORDS_PLAIN;
+ return 0;
+}
+
+static int diff_opt_color_moved_ws(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+ unsigned cm;
+
+ if (unset) {
+ options->color_moved_ws_handling = 0;
+ return 0;
+ }
+
+ cm = parse_color_moved_ws(arg);
+ if (cm & COLOR_MOVED_WS_ERROR)
+ return error(_("invalid mode '%s' in --color-moved-ws"), arg);
+ options->color_moved_ws_handling = cm;
+ return 0;
+}
+
+static int diff_opt_color_words(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ options->use_color = 1;
+ options->word_diff = DIFF_WORDS_COLOR;
+ options->word_regex = arg;
+ return 0;
+}
+
+static int diff_opt_compact_summary(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_ARG(arg);
+ if (unset) {
+ options->flags.stat_with_summary = 0;
+ } else {
+ options->flags.stat_with_summary = 1;
+ options->output_format &= ~DIFF_FORMAT_NO_OUTPUT;
+ options->output_format |= DIFF_FORMAT_DIFFSTAT;
+ }
+ return 0;
+}
+
+static int diff_opt_diff_algorithm(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+
+ if (set_diff_algorithm(options, arg))
+ return error(_("option diff-algorithm accepts \"myers\", "
+ "\"minimal\", \"patience\" and \"histogram\""));
+
+ options->ignore_driver_algorithm = 1;
+
+ return 0;
+}
+
+static int diff_opt_diff_algorithm_no_arg(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+
+ if (set_diff_algorithm(options, opt->long_name))
+ BUG("available diff algorithms include \"myers\", "
+ "\"minimal\", \"patience\" and \"histogram\"");
+
+ options->ignore_driver_algorithm = 1;
+
+ return 0;
+}
+
+static int diff_opt_dirstat(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!strcmp(opt->long_name, "cumulative")) {
+ if (arg)
+ BUG("how come --cumulative take a value?");
+ arg = "cumulative";
+ } else if (!strcmp(opt->long_name, "dirstat-by-file"))
+ parse_dirstat_opt(options, "files");
+ parse_dirstat_opt(options, arg ? arg : "");
+ return 0;
+}
+
+static int diff_opt_find_copies(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!arg)
+ arg = "";
+ options->rename_score = parse_rename_score(&arg);
+ if (*arg != 0)
+ return error(_("invalid argument to %s"), opt->long_name);
+
+ if (options->detect_rename == DIFF_DETECT_COPY)
+ options->flags.find_copies_harder = 1;
+ else
+ options->detect_rename = DIFF_DETECT_COPY;
+
+ return 0;
+}
+
+static int diff_opt_find_renames(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!arg)
+ arg = "";
+ options->rename_score = parse_rename_score(&arg);
+ if (*arg != 0)
+ return error(_("invalid argument to %s"), opt->long_name);
+
+ options->detect_rename = DIFF_DETECT_RENAME;
+ return 0;
+}
+
+static int diff_opt_follow(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_ARG(arg);
+ if (unset) {
+ options->flags.follow_renames = 0;
+ options->flags.default_follow_renames = 0;
+ } else {
+ options->flags.follow_renames = 1;
+ }
+ return 0;
+}
+
+static int diff_opt_ignore_submodules(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!arg)
+ arg = "all";
+ options->flags.override_submodule_config = 1;
+ handle_ignore_submodules_arg(options, arg);
+ return 0;
+}
+
+static int diff_opt_line_prefix(const struct option *opt,
+ const char *optarg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ options->line_prefix = optarg;
+ options->line_prefix_length = strlen(options->line_prefix);
+ graph_setup_line_prefix(options);
+ return 0;
+}
+
+static int diff_opt_no_prefix(const struct option *opt,
+ const char *optarg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(optarg);
+ diff_set_noprefix(options);
+ return 0;
+}
+
+static int diff_opt_default_prefix(const struct option *opt,
+ const char *optarg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(optarg);
+ diff_src_prefix = "a/";
+ diff_dst_prefix = "b/";
+ diff_set_default_prefix(options);
+ return 0;
+}
+
+static enum parse_opt_result diff_opt_output(struct parse_opt_ctx_t *ctx,
+ const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+ char *path;
+
+ BUG_ON_OPT_NEG(unset);
+ path = prefix_filename(ctx->prefix, arg);
+ options->file = xfopen(path, "w");
+ options->close_file = 1;
+ if (options->use_color != GIT_COLOR_ALWAYS)
+ options->use_color = GIT_COLOR_NEVER;
+ free(path);
+ return 0;
+}
+
+static int diff_opt_patience(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+ int i;
+
+ BUG_ON_OPT_NEG(unset);
+ BUG_ON_OPT_ARG(arg);
+ /*
+ * Both --patience and --anchored use PATIENCE_DIFF
+ * internally, so remove any anchors previously
+ * specified.
+ */
+ for (i = 0; i < options->anchors_nr; i++)
+ free(options->anchors[i]);
+ options->anchors_nr = 0;
+ options->ignore_driver_algorithm = 1;
+
+ return set_diff_algorithm(options, "patience");
+}
+
+static int diff_opt_ignore_regex(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+ regex_t *regex;
+
+ BUG_ON_OPT_NEG(unset);
+ regex = xmalloc(sizeof(*regex));
+ if (regcomp(regex, arg, REG_EXTENDED | REG_NEWLINE))
+ return error(_("invalid regex given to -I: '%s'"), arg);
+ ALLOC_GROW(options->ignore_regex, options->ignore_regex_nr + 1,
+ options->ignore_regex_alloc);
+ options->ignore_regex[options->ignore_regex_nr++] = regex;
+ return 0;
+}
+
+static int diff_opt_pickaxe_regex(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ options->pickaxe = arg;
+ options->pickaxe_opts |= DIFF_PICKAXE_KIND_G;
+ return 0;
+}
+
+static int diff_opt_pickaxe_string(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ options->pickaxe = arg;
+ options->pickaxe_opts |= DIFF_PICKAXE_KIND_S;
+ return 0;
+}
+
+static int diff_opt_relative(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ options->flags.relative_name = !unset;
+ if (arg)
+ options->prefix = arg;
+ return 0;
+}
+
+static int diff_opt_submodule(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!arg)
+ arg = "log";
+ if (parse_submodule_params(options, arg))
+ return error(_("failed to parse --submodule option parameter: '%s'"),
+ arg);
+ return 0;
+}
+
+static int diff_opt_textconv(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_ARG(arg);
+ if (unset) {
+ options->flags.allow_textconv = 0;
+ } else {
+ options->flags.allow_textconv = 1;
+ options->flags.textconv_set_via_cmdline = 1;
}
- else if (skip_prefix(arg, "--word-diff=", &arg)) {
+ return 0;
+}
+
+static int diff_opt_unified(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+ char *s;
+
+ BUG_ON_OPT_NEG(unset);
+
+ if (arg) {
+ options->context = strtol(arg, &s, 10);
+ if (*s)
+ return error(_("%s expects a numerical value"), "--unified");
+ }
+ enable_patch_output(&options->output_format);
+
+ return 0;
+}
+
+static int diff_opt_word_diff(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (arg) {
if (!strcmp(arg, "plain"))
options->word_diff = DIFF_WORDS_PLAIN;
else if (!strcmp(arg, "color")) {
@@ -5056,118 +5528,339 @@ int diff_opt_parse(struct diff_options *options,
else if (!strcmp(arg, "none"))
options->word_diff = DIFF_WORDS_NONE;
else
- die("bad --word-diff argument: %s", arg);
- }
- else if ((argcount = parse_long_opt("word-diff-regex", av, &optarg))) {
+ return error(_("bad --word-diff argument: %s"), arg);
+ } else {
if (options->word_diff == DIFF_WORDS_NONE)
options->word_diff = DIFF_WORDS_PLAIN;
- options->word_regex = optarg;
- return argcount;
}
- else if (!strcmp(arg, "--exit-code"))
- options->flags.exit_with_status = 1;
- else if (!strcmp(arg, "--quiet"))
- options->flags.quick = 1;
- else if (!strcmp(arg, "--ext-diff"))
- options->flags.allow_external = 1;
- else if (!strcmp(arg, "--no-ext-diff"))
- options->flags.allow_external = 0;
- else if (!strcmp(arg, "--textconv")) {
- options->flags.allow_textconv = 1;
- options->flags.textconv_set_via_cmdline = 1;
- } else if (!strcmp(arg, "--no-textconv"))
- options->flags.allow_textconv = 0;
- else if (skip_to_optional_arg_default(arg, "--ignore-submodules", &arg, "all")) {
- options->flags.override_submodule_config = 1;
- handle_ignore_submodules_arg(options, arg);
- } else if (skip_to_optional_arg_default(arg, "--submodule", &arg, "log"))
- return parse_submodule_opt(options, arg);
- else if (skip_prefix(arg, "--ws-error-highlight=", &arg))
- return parse_ws_error_highlight_opt(options, arg);
- else if (!strcmp(arg, "--ita-invisible-in-index"))
- options->ita_invisible_in_index = 1;
- else if (!strcmp(arg, "--ita-visible-in-index"))
- options->ita_invisible_in_index = 0;
-
- /* misc options */
- else if (!strcmp(arg, "-z"))
- options->line_termination = 0;
- else if ((argcount = short_opt('l', av, &optarg))) {
- options->rename_limit = strtoul(optarg, NULL, 10);
- return argcount;
- }
- else if ((argcount = short_opt('S', av, &optarg))) {
- options->pickaxe = optarg;
- options->pickaxe_opts |= DIFF_PICKAXE_KIND_S;
- return argcount;
- } else if ((argcount = short_opt('G', av, &optarg))) {
- options->pickaxe = optarg;
- options->pickaxe_opts |= DIFF_PICKAXE_KIND_G;
- return argcount;
- }
- else if (!strcmp(arg, "--pickaxe-all"))
- options->pickaxe_opts |= DIFF_PICKAXE_ALL;
- else if (!strcmp(arg, "--pickaxe-regex"))
- options->pickaxe_opts |= DIFF_PICKAXE_REGEX;
- else if ((argcount = short_opt('O', av, &optarg))) {
- options->orderfile = prefix_filename(prefix, optarg);
- return argcount;
- } else if (skip_prefix(arg, "--find-object=", &arg))
- return parse_objfind_opt(options, arg);
- else if ((argcount = parse_long_opt("diff-filter", av, &optarg))) {
- int offending = parse_diff_filter_opt(optarg, options);
- if (offending)
- die("unknown change class '%c' in --diff-filter=%s",
- offending, optarg);
- return argcount;
- }
- else if (!strcmp(arg, "--no-abbrev"))
- options->abbrev = 0;
- else if (!strcmp(arg, "--abbrev"))
- options->abbrev = DEFAULT_ABBREV;
- else if (skip_prefix(arg, "--abbrev=", &arg)) {
- options->abbrev = strtoul(arg, NULL, 10);
- if (options->abbrev < MINIMUM_ABBREV)
- options->abbrev = MINIMUM_ABBREV;
- else if (the_hash_algo->hexsz < options->abbrev)
- options->abbrev = the_hash_algo->hexsz;
- }
- else if ((argcount = parse_long_opt("src-prefix", av, &optarg))) {
- options->a_prefix = optarg;
- return argcount;
- }
- else if ((argcount = parse_long_opt("line-prefix", av, &optarg))) {
- options->line_prefix = optarg;
- options->line_prefix_length = strlen(options->line_prefix);
- graph_setup_line_prefix(options);
- return argcount;
- }
- else if ((argcount = parse_long_opt("dst-prefix", av, &optarg))) {
- options->b_prefix = optarg;
- return argcount;
- }
- else if (!strcmp(arg, "--no-prefix"))
- options->a_prefix = options->b_prefix = "";
- else if (opt_arg(arg, '\0', "inter-hunk-context",
- &options->interhunkcontext))
- ;
- else if (!strcmp(arg, "-W"))
- options->flags.funccontext = 1;
- else if (!strcmp(arg, "--function-context"))
- options->flags.funccontext = 1;
- else if (!strcmp(arg, "--no-function-context"))
- options->flags.funccontext = 0;
- else if ((argcount = parse_long_opt("output", av, &optarg))) {
- char *path = prefix_filename(prefix, optarg);
- options->file = xfopen(path, "w");
- options->close_file = 1;
- if (options->use_color != GIT_COLOR_ALWAYS)
- options->use_color = GIT_COLOR_NEVER;
- free(path);
- return argcount;
- } else
- return 0;
- return 1;
+ return 0;
+}
+
+static int diff_opt_word_diff_regex(const struct option *opt,
+ const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (options->word_diff == DIFF_WORDS_NONE)
+ options->word_diff = DIFF_WORDS_PLAIN;
+ options->word_regex = arg;
+ return 0;
+}
+
+static int diff_opt_rotate_to(const struct option *opt, const char *arg, int unset)
+{
+ struct diff_options *options = opt->value;
+
+ BUG_ON_OPT_NEG(unset);
+ if (!strcmp(opt->long_name, "skip-to"))
+ options->skip_instead_of_rotate = 1;
+ else
+ options->skip_instead_of_rotate = 0;
+ options->rotate_to = arg;
+ return 0;
+}
+
+/*
+ * Consider adding new flags to __git_diff_common_options
+ * in contrib/completion/git-completion.bash
+ */
+struct option *add_diff_options(const struct option *opts,
+ struct diff_options *options)
+{
+ struct option parseopts[] = {
+ OPT_GROUP(N_("Diff output format options")),
+ OPT_BITOP('p', "patch", &options->output_format,
+ N_("generate patch"),
+ DIFF_FORMAT_PATCH, DIFF_FORMAT_NO_OUTPUT),
+ OPT_SET_INT('s', "no-patch", &options->output_format,
+ N_("suppress diff output"), DIFF_FORMAT_NO_OUTPUT),
+ OPT_BITOP('u', NULL, &options->output_format,
+ N_("generate patch"),
+ DIFF_FORMAT_PATCH, DIFF_FORMAT_NO_OUTPUT),
+ OPT_CALLBACK_F('U', "unified", options, N_("<n>"),
+ N_("generate diffs with <n> lines context"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG, diff_opt_unified),
+ OPT_BOOL('W', "function-context", &options->flags.funccontext,
+ N_("generate diffs with <n> lines context")),
+ OPT_BITOP(0, "raw", &options->output_format,
+ N_("generate the diff in raw format"),
+ DIFF_FORMAT_RAW, DIFF_FORMAT_NO_OUTPUT),
+ OPT_BITOP(0, "patch-with-raw", &options->output_format,
+ N_("synonym for '-p --raw'"),
+ DIFF_FORMAT_PATCH | DIFF_FORMAT_RAW,
+ DIFF_FORMAT_NO_OUTPUT),
+ OPT_BITOP(0, "patch-with-stat", &options->output_format,
+ N_("synonym for '-p --stat'"),
+ DIFF_FORMAT_PATCH | DIFF_FORMAT_DIFFSTAT,
+ DIFF_FORMAT_NO_OUTPUT),
+ OPT_BITOP(0, "numstat", &options->output_format,
+ N_("machine friendly --stat"),
+ DIFF_FORMAT_NUMSTAT, DIFF_FORMAT_NO_OUTPUT),
+ OPT_BITOP(0, "shortstat", &options->output_format,
+ N_("output only the last line of --stat"),
+ DIFF_FORMAT_SHORTSTAT, DIFF_FORMAT_NO_OUTPUT),
+ OPT_CALLBACK_F('X', "dirstat", options, N_("<param1>,<param2>..."),
+ N_("output the distribution of relative amount of changes for each sub-directory"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_dirstat),
+ OPT_CALLBACK_F(0, "cumulative", options, NULL,
+ N_("synonym for --dirstat=cumulative"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ diff_opt_dirstat),
+ OPT_CALLBACK_F(0, "dirstat-by-file", options, N_("<param1>,<param2>..."),
+ N_("synonym for --dirstat=files,<param1>,<param2>..."),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_dirstat),
+ OPT_BIT_F(0, "check", &options->output_format,
+ N_("warn if changes introduce conflict markers or whitespace errors"),
+ DIFF_FORMAT_CHECKDIFF, PARSE_OPT_NONEG),
+ OPT_BITOP(0, "summary", &options->output_format,
+ N_("condensed summary such as creations, renames and mode changes"),
+ DIFF_FORMAT_SUMMARY, DIFF_FORMAT_NO_OUTPUT),
+ OPT_BIT_F(0, "name-only", &options->output_format,
+ N_("show only names of changed files"),
+ DIFF_FORMAT_NAME, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "name-status", &options->output_format,
+ N_("show only names and status of changed files"),
+ DIFF_FORMAT_NAME_STATUS, PARSE_OPT_NONEG),
+ OPT_CALLBACK_F(0, "stat", options, N_("<width>[,<name-width>[,<count>]]"),
+ N_("generate diffstat"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "stat-width", options, N_("<width>"),
+ N_("generate diffstat with a given width"),
+ PARSE_OPT_NONEG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "stat-name-width", options, N_("<width>"),
+ N_("generate diffstat with a given name width"),
+ PARSE_OPT_NONEG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "stat-graph-width", options, N_("<width>"),
+ N_("generate diffstat with a given graph width"),
+ PARSE_OPT_NONEG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "stat-count", options, N_("<count>"),
+ N_("generate diffstat with limited lines"),
+ PARSE_OPT_NONEG, diff_opt_stat),
+ OPT_CALLBACK_F(0, "compact-summary", options, NULL,
+ N_("generate compact summary in diffstat"),
+ PARSE_OPT_NOARG, diff_opt_compact_summary),
+ OPT_CALLBACK_F(0, "binary", options, NULL,
+ N_("output a binary diff that can be applied"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG, diff_opt_binary),
+ OPT_BOOL(0, "full-index", &options->flags.full_index,
+ N_("show full pre- and post-image object names on the \"index\" lines")),
+ OPT_COLOR_FLAG(0, "color", &options->use_color,
+ N_("show colored diff")),
+ OPT_CALLBACK_F(0, "ws-error-highlight", options, N_("<kind>"),
+ N_("highlight whitespace errors in the 'context', 'old' or 'new' lines in the diff"),
+ PARSE_OPT_NONEG, diff_opt_ws_error_highlight),
+ OPT_SET_INT('z', NULL, &options->line_termination,
+ N_("do not munge pathnames and use NULs as output field terminators in --raw or --numstat"),
+ 0),
+ OPT__ABBREV(&options->abbrev),
+ OPT_STRING_F(0, "src-prefix", &options->a_prefix, N_("<prefix>"),
+ N_("show the given source prefix instead of \"a/\""),
+ PARSE_OPT_NONEG),
+ OPT_STRING_F(0, "dst-prefix", &options->b_prefix, N_("<prefix>"),
+ N_("show the given destination prefix instead of \"b/\""),
+ PARSE_OPT_NONEG),
+ OPT_CALLBACK_F(0, "line-prefix", options, N_("<prefix>"),
+ N_("prepend an additional prefix to every line of output"),
+ PARSE_OPT_NONEG, diff_opt_line_prefix),
+ OPT_CALLBACK_F(0, "no-prefix", options, NULL,
+ N_("do not show any source or destination prefix"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG, diff_opt_no_prefix),
+ OPT_CALLBACK_F(0, "default-prefix", options, NULL,
+ N_("use default prefixes a/ and b/"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG, diff_opt_default_prefix),
+ OPT_INTEGER_F(0, "inter-hunk-context", &options->interhunkcontext,
+ N_("show context between diff hunks up to the specified number of lines"),
+ PARSE_OPT_NONEG),
+ OPT_CALLBACK_F(0, "output-indicator-new",
+ &options->output_indicators[OUTPUT_INDICATOR_NEW],
+ N_("<char>"),
+ N_("specify the character to indicate a new line instead of '+'"),
+ PARSE_OPT_NONEG, diff_opt_char),
+ OPT_CALLBACK_F(0, "output-indicator-old",
+ &options->output_indicators[OUTPUT_INDICATOR_OLD],
+ N_("<char>"),
+ N_("specify the character to indicate an old line instead of '-'"),
+ PARSE_OPT_NONEG, diff_opt_char),
+ OPT_CALLBACK_F(0, "output-indicator-context",
+ &options->output_indicators[OUTPUT_INDICATOR_CONTEXT],
+ N_("<char>"),
+ N_("specify the character to indicate a context instead of ' '"),
+ PARSE_OPT_NONEG, diff_opt_char),
+
+ OPT_GROUP(N_("Diff rename options")),
+ OPT_CALLBACK_F('B', "break-rewrites", &options->break_opt, N_("<n>[/<m>]"),
+ N_("break complete rewrite changes into pairs of delete and create"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_break_rewrites),
+ OPT_CALLBACK_F('M', "find-renames", options, N_("<n>"),
+ N_("detect renames"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_find_renames),
+ OPT_SET_INT_F('D', "irreversible-delete", &options->irreversible_delete,
+ N_("omit the preimage for deletes"),
+ 1, PARSE_OPT_NONEG),
+ OPT_CALLBACK_F('C', "find-copies", options, N_("<n>"),
+ N_("detect copies"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_find_copies),
+ OPT_BOOL(0, "find-copies-harder", &options->flags.find_copies_harder,
+ N_("use unmodified files as source to find copies")),
+ OPT_SET_INT_F(0, "no-renames", &options->detect_rename,
+ N_("disable rename detection"),
+ 0, PARSE_OPT_NONEG),
+ OPT_BOOL(0, "rename-empty", &options->flags.rename_empty,
+ N_("use empty blobs as rename source")),
+ OPT_CALLBACK_F(0, "follow", options, NULL,
+ N_("continue listing the history of a file beyond renames"),
+ PARSE_OPT_NOARG, diff_opt_follow),
+ OPT_INTEGER('l', NULL, &options->rename_limit,
+ N_("prevent rename/copy detection if the number of rename/copy targets exceeds given limit")),
+
+ OPT_GROUP(N_("Diff algorithm options")),
+ OPT_CALLBACK_F(0, "minimal", options, NULL,
+ N_("produce the smallest possible diff"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ diff_opt_diff_algorithm_no_arg),
+ OPT_BIT_F('w', "ignore-all-space", &options->xdl_opts,
+ N_("ignore whitespace when comparing lines"),
+ XDF_IGNORE_WHITESPACE, PARSE_OPT_NONEG),
+ OPT_BIT_F('b', "ignore-space-change", &options->xdl_opts,
+ N_("ignore changes in amount of whitespace"),
+ XDF_IGNORE_WHITESPACE_CHANGE, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "ignore-space-at-eol", &options->xdl_opts,
+ N_("ignore changes in whitespace at EOL"),
+ XDF_IGNORE_WHITESPACE_AT_EOL, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "ignore-cr-at-eol", &options->xdl_opts,
+ N_("ignore carrier-return at the end of line"),
+ XDF_IGNORE_CR_AT_EOL, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "ignore-blank-lines", &options->xdl_opts,
+ N_("ignore changes whose lines are all blank"),
+ XDF_IGNORE_BLANK_LINES, PARSE_OPT_NONEG),
+ OPT_CALLBACK_F('I', "ignore-matching-lines", options, N_("<regex>"),
+ N_("ignore changes whose all lines match <regex>"),
+ 0, diff_opt_ignore_regex),
+ OPT_BIT(0, "indent-heuristic", &options->xdl_opts,
+ N_("heuristic to shift diff hunk boundaries for easy reading"),
+ XDF_INDENT_HEURISTIC),
+ OPT_CALLBACK_F(0, "patience", options, NULL,
+ N_("generate diff using the \"patience diff\" algorithm"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ diff_opt_patience),
+ OPT_CALLBACK_F(0, "histogram", options, NULL,
+ N_("generate diff using the \"histogram diff\" algorithm"),
+ PARSE_OPT_NONEG | PARSE_OPT_NOARG,
+ diff_opt_diff_algorithm_no_arg),
+ OPT_CALLBACK_F(0, "diff-algorithm", options, N_("<algorithm>"),
+ N_("choose a diff algorithm"),
+ PARSE_OPT_NONEG, diff_opt_diff_algorithm),
+ OPT_CALLBACK_F(0, "anchored", options, N_("<text>"),
+ N_("generate diff using the \"anchored diff\" algorithm"),
+ PARSE_OPT_NONEG, diff_opt_anchored),
+ OPT_CALLBACK_F(0, "word-diff", options, N_("<mode>"),
+ N_("show word diff, using <mode> to delimit changed words"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG, diff_opt_word_diff),
+ OPT_CALLBACK_F(0, "word-diff-regex", options, N_("<regex>"),
+ N_("use <regex> to decide what a word is"),
+ PARSE_OPT_NONEG, diff_opt_word_diff_regex),
+ OPT_CALLBACK_F(0, "color-words", options, N_("<regex>"),
+ N_("equivalent to --word-diff=color --word-diff-regex=<regex>"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG, diff_opt_color_words),
+ OPT_CALLBACK_F(0, "color-moved", options, N_("<mode>"),
+ N_("moved lines of code are colored differently"),
+ PARSE_OPT_OPTARG, diff_opt_color_moved),
+ OPT_CALLBACK_F(0, "color-moved-ws", options, N_("<mode>"),
+ N_("how white spaces are ignored in --color-moved"),
+ 0, diff_opt_color_moved_ws),
+
+ OPT_GROUP(N_("Other diff options")),
+ OPT_CALLBACK_F(0, "relative", options, N_("<prefix>"),
+ N_("when run from subdir, exclude changes outside and show relative paths"),
+ PARSE_OPT_OPTARG,
+ diff_opt_relative),
+ OPT_BOOL('a', "text", &options->flags.text,
+ N_("treat all files as text")),
+ OPT_BOOL('R', NULL, &options->flags.reverse_diff,
+ N_("swap two inputs, reverse the diff")),
+ OPT_BOOL(0, "exit-code", &options->flags.exit_with_status,
+ N_("exit with 1 if there were differences, 0 otherwise")),
+ OPT_BOOL(0, "quiet", &options->flags.quick,
+ N_("disable all output of the program")),
+ OPT_BOOL(0, "ext-diff", &options->flags.allow_external,
+ N_("allow an external diff helper to be executed")),
+ OPT_CALLBACK_F(0, "textconv", options, NULL,
+ N_("run external text conversion filters when comparing binary files"),
+ PARSE_OPT_NOARG, diff_opt_textconv),
+ OPT_CALLBACK_F(0, "ignore-submodules", options, N_("<when>"),
+ N_("ignore changes to submodules in the diff generation"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_ignore_submodules),
+ OPT_CALLBACK_F(0, "submodule", options, N_("<format>"),
+ N_("specify how differences in submodules are shown"),
+ PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
+ diff_opt_submodule),
+ OPT_SET_INT_F(0, "ita-invisible-in-index", &options->ita_invisible_in_index,
+ N_("hide 'git add -N' entries from the index"),
+ 1, PARSE_OPT_NONEG),
+ OPT_SET_INT_F(0, "ita-visible-in-index", &options->ita_invisible_in_index,
+ N_("treat 'git add -N' entries as real in the index"),
+ 0, PARSE_OPT_NONEG),
+ OPT_CALLBACK_F('S', NULL, options, N_("<string>"),
+ N_("look for differences that change the number of occurrences of the specified string"),
+ 0, diff_opt_pickaxe_string),
+ OPT_CALLBACK_F('G', NULL, options, N_("<regex>"),
+ N_("look for differences that change the number of occurrences of the specified regex"),
+ 0, diff_opt_pickaxe_regex),
+ OPT_BIT_F(0, "pickaxe-all", &options->pickaxe_opts,
+ N_("show all changes in the changeset with -S or -G"),
+ DIFF_PICKAXE_ALL, PARSE_OPT_NONEG),
+ OPT_BIT_F(0, "pickaxe-regex", &options->pickaxe_opts,
+ N_("treat <string> in -S as extended POSIX regular expression"),
+ DIFF_PICKAXE_REGEX, PARSE_OPT_NONEG),
+ OPT_FILENAME('O', NULL, &options->orderfile,
+ N_("control the order in which files appear in the output")),
+ OPT_CALLBACK_F(0, "rotate-to", options, N_("<path>"),
+ N_("show the change in the specified path first"),
+ PARSE_OPT_NONEG, diff_opt_rotate_to),
+ OPT_CALLBACK_F(0, "skip-to", options, N_("<path>"),
+ N_("skip the output to the specified path"),
+ PARSE_OPT_NONEG, diff_opt_rotate_to),
+ OPT_CALLBACK_F(0, "find-object", options, N_("<object-id>"),
+ N_("look for differences that change the number of occurrences of the specified object"),
+ PARSE_OPT_NONEG, diff_opt_find_object),
+ OPT_CALLBACK_F(0, "diff-filter", options, N_("[(A|C|D|M|R|T|U|X|B)...[*]]"),
+ N_("select files by diff type"),
+ PARSE_OPT_NONEG, diff_opt_diff_filter),
+ { OPTION_CALLBACK, 0, "output", options, N_("<file>"),
+ N_("output to a specific file"),
+ PARSE_OPT_NONEG, NULL, 0, diff_opt_output },
+
+ OPT_END()
+ };
+
+ return parse_options_concat(opts, parseopts);
+}
+
+int diff_opt_parse(struct diff_options *options,
+ const char **av, int ac, const char *prefix)
+{
+ struct option no_options[] = { OPT_END() };
+ struct option *parseopts = add_diff_options(no_options, options);
+
+ if (!prefix)
+ prefix = "";
+
+ ac = parse_options(ac, av, prefix, parseopts, NULL,
+ PARSE_OPT_KEEP_DASHDASH |
+ PARSE_OPT_KEEP_UNKNOWN_OPT |
+ PARSE_OPT_NO_INTERNAL_HELP |
+ PARSE_OPT_ONE_SHOT |
+ PARSE_OPT_STOP_AT_NON_OPTION);
+ free(parseopts);
+
+ return ac;
}
int parse_rename_score(const char **cp_p)
@@ -5206,47 +5899,6 @@ int parse_rename_score(const char **cp_p)
return (int)((num >= scale) ? MAX_SCORE : (MAX_SCORE * num / scale));
}
-static int diff_scoreopt_parse(const char *opt)
-{
- int opt1, opt2, cmd;
-
- if (*opt++ != '-')
- return -1;
- cmd = *opt++;
- if (cmd == '-') {
- /* convert the long-form arguments into short-form versions */
- if (skip_prefix(opt, "break-rewrites", &opt)) {
- if (*opt == 0 || *opt++ == '=')
- cmd = 'B';
- } else if (skip_prefix(opt, "find-copies", &opt)) {
- if (*opt == 0 || *opt++ == '=')
- cmd = 'C';
- } else if (skip_prefix(opt, "find-renames", &opt)) {
- if (*opt == 0 || *opt++ == '=')
- cmd = 'M';
- }
- }
- if (cmd != 'M' && cmd != 'C' && cmd != 'B')
- return -1; /* that is not a -M, -C, or -B option */
-
- opt1 = parse_rename_score(&opt);
- if (cmd != 'B')
- opt2 = 0;
- else {
- if (*opt == 0)
- opt2 = 0;
- else if (*opt != '/')
- return -1; /* we expect -B80/99 or -B80 */
- else {
- opt++;
- opt2 = parse_rename_score(&opt);
- }
- }
- if (*opt != 0)
- return -1;
- return opt1 | (opt2 << 16);
-}
-
struct diff_queue_struct diff_queued_diff;
void diff_q(struct diff_queue_struct *queue, struct diff_filepair *dp)
@@ -5274,6 +5926,13 @@ void diff_free_filepair(struct diff_filepair *p)
free(p);
}
+void diff_free_queue(struct diff_queue_struct *q)
+{
+ for (int i = 0; i < q->nr; i++)
+ diff_free_filepair(q->queue[i]);
+ free(q->queue);
+}
+
const char *diff_aligned_abbrev(const struct object_id *oid, int len)
{
int abblen;
@@ -5392,12 +6051,28 @@ int diff_unmodified_pair(struct diff_filepair *p)
static void diff_flush_patch(struct diff_filepair *p, struct diff_options *o)
{
- if (diff_unmodified_pair(p))
+ int include_conflict_headers =
+ (additional_headers(o, p->one->path) &&
+ !o->pickaxe_opts &&
+ (!o->filter || filter_bit_tst(DIFF_STATUS_UNMERGED, o)));
+
+ /*
+ * Check if we can return early without showing a diff. Note that
+ * diff_filepair only stores {oid, path, mode, is_valid}
+ * information for each path, and thus diff_unmodified_pair() only
+ * considers those bits of info. However, we do not want pairs
+ * created by create_filepairs_for_header_only_notifications()
+ * (which always look like unmodified pairs) to be ignored, so
+ * return early if both p is unmodified AND we don't want to
+ * include_conflict_headers.
+ */
+ if (diff_unmodified_pair(p) && !include_conflict_headers)
return;
+ /* Actually, we can also return early to avoid showing tree diffs */
if ((DIFF_FILE_VALID(p->one) && S_ISDIR(p->one->mode)) ||
(DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode)))
- return; /* no tree diffs in patch format */
+ return;
run_diff(p, o);
}
@@ -5428,10 +6103,19 @@ static void diff_flush_checkdiff(struct diff_filepair *p,
run_checkdiff(p, o);
}
-int diff_queue_is_empty(void)
+int diff_queue_is_empty(struct diff_options *o)
{
struct diff_queue_struct *q = &diff_queued_diff;
int i;
+ int include_conflict_headers =
+ (o->additional_path_headers &&
+ strmap_get_size(o->additional_path_headers) &&
+ !o->pickaxe_opts &&
+ (!o->filter || filter_bit_tst(DIFF_STATUS_UNMERGED, o)));
+
+ if (include_conflict_headers)
+ return 0;
+
for (i = 0; i < q->nr; i++)
if (!diff_unmodified_pair(q->queue[i]))
return 0;
@@ -5562,6 +6246,8 @@ static void flush_one_pair(struct diff_filepair *p, struct diff_options *opt)
fprintf(opt->file, "%s", diff_line_prefix(opt));
write_name_quoted(name_a, opt->file, opt->line_termination);
}
+
+ opt->found_changes = 1;
}
static void show_file_mode_name(struct diff_options *opt, const char *newdelete, struct diff_filespec *fs)
@@ -5644,7 +6330,7 @@ static void diff_summary(struct diff_options *opt, struct diff_filepair *p)
}
struct patch_id_t {
- git_SHA_CTX *ctx;
+ git_hash_ctx *ctx;
int patchlen;
};
@@ -5661,45 +6347,61 @@ static int remove_space(char *line, int len)
return dst - line;
}
-static void patch_id_consume(void *priv, char *line, unsigned long len)
+void flush_one_hunk(struct object_id *result, git_hash_ctx *ctx)
+{
+ unsigned char hash[GIT_MAX_RAWSZ];
+ unsigned short carry = 0;
+ int i;
+
+ the_hash_algo->final_fn(hash, ctx);
+ the_hash_algo->init_fn(ctx);
+ /* 20-byte sum, with carry */
+ for (i = 0; i < the_hash_algo->rawsz; ++i) {
+ carry += result->hash[i] + hash[i];
+ result->hash[i] = carry;
+ carry >>= 8;
+ }
+}
+
+static int patch_id_consume(void *priv, char *line, unsigned long len)
{
struct patch_id_t *data = priv;
int new_len;
- /* Ignore line numbers when computing the SHA1 of the patch */
- if (starts_with(line, "@@ -"))
- return;
-
+ if (len > 12 && starts_with(line, "\\ "))
+ return 0;
new_len = remove_space(line, len);
- git_SHA1_Update(data->ctx, line, new_len);
+ the_hash_algo->update_fn(data->ctx, line, new_len);
data->patchlen += new_len;
+ return 0;
}
-static void patch_id_add_string(git_SHA_CTX *ctx, const char *str)
+static void patch_id_add_string(git_hash_ctx *ctx, const char *str)
{
- git_SHA1_Update(ctx, str, strlen(str));
+ the_hash_algo->update_fn(ctx, str, strlen(str));
}
-static void patch_id_add_mode(git_SHA_CTX *ctx, unsigned mode)
+static void patch_id_add_mode(git_hash_ctx *ctx, unsigned mode)
{
/* large enough for 2^32 in octal */
char buf[12];
int len = xsnprintf(buf, sizeof(buf), "%06o", mode);
- git_SHA1_Update(ctx, buf, len);
+ the_hash_algo->update_fn(ctx, buf, len);
}
-/* returns 0 upon success, and writes result into sha1 */
+/* returns 0 upon success, and writes result into oid */
static int diff_get_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only)
{
struct diff_queue_struct *q = &diff_queued_diff;
int i;
- git_SHA_CTX ctx;
+ git_hash_ctx ctx;
struct patch_id_t data;
- git_SHA1_Init(&ctx);
+ the_hash_algo->init_fn(&ctx);
memset(&data, 0, sizeof(struct patch_id_t));
data.ctx = &ctx;
+ oidclr(oid);
for (i = 0; i < q->nr; i++) {
xpparam_t xpp;
@@ -5729,68 +6431,70 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid
len2 = remove_space(p->two->path, strlen(p->two->path));
patch_id_add_string(&ctx, "diff--git");
patch_id_add_string(&ctx, "a/");
- git_SHA1_Update(&ctx, p->one->path, len1);
+ the_hash_algo->update_fn(&ctx, p->one->path, len1);
patch_id_add_string(&ctx, "b/");
- git_SHA1_Update(&ctx, p->two->path, len2);
+ the_hash_algo->update_fn(&ctx, p->two->path, len2);
if (p->one->mode == 0) {
patch_id_add_string(&ctx, "newfilemode");
patch_id_add_mode(&ctx, p->two->mode);
- patch_id_add_string(&ctx, "---/dev/null");
- patch_id_add_string(&ctx, "+++b/");
- git_SHA1_Update(&ctx, p->two->path, len2);
} else if (p->two->mode == 0) {
patch_id_add_string(&ctx, "deletedfilemode");
patch_id_add_mode(&ctx, p->one->mode);
- patch_id_add_string(&ctx, "---a/");
- git_SHA1_Update(&ctx, p->one->path, len1);
- patch_id_add_string(&ctx, "+++/dev/null");
- } else {
- patch_id_add_string(&ctx, "---a/");
- git_SHA1_Update(&ctx, p->one->path, len1);
- patch_id_add_string(&ctx, "+++b/");
- git_SHA1_Update(&ctx, p->two->path, len2);
+ } else if (p->one->mode != p->two->mode) {
+ patch_id_add_string(&ctx, "oldmode");
+ patch_id_add_mode(&ctx, p->one->mode);
+ patch_id_add_string(&ctx, "newmode");
+ patch_id_add_mode(&ctx, p->two->mode);
}
- if (diff_header_only)
- continue;
-
- if (fill_mmfile(options->repo, &mf1, p->one) < 0 ||
- fill_mmfile(options->repo, &mf2, p->two) < 0)
- return error("unable to read files to diff");
-
- if (diff_filespec_is_binary(options->repo, p->one) ||
+ if (diff_header_only) {
+ /* don't do anything since we're only populating header info */
+ } else if (diff_filespec_is_binary(options->repo, p->one) ||
diff_filespec_is_binary(options->repo, p->two)) {
- git_SHA1_Update(&ctx, oid_to_hex(&p->one->oid),
- GIT_SHA1_HEXSZ);
- git_SHA1_Update(&ctx, oid_to_hex(&p->two->oid),
- GIT_SHA1_HEXSZ);
- continue;
- }
+ the_hash_algo->update_fn(&ctx, oid_to_hex(&p->one->oid),
+ the_hash_algo->hexsz);
+ the_hash_algo->update_fn(&ctx, oid_to_hex(&p->two->oid),
+ the_hash_algo->hexsz);
+ } else {
+ if (p->one->mode == 0) {
+ patch_id_add_string(&ctx, "---/dev/null");
+ patch_id_add_string(&ctx, "+++b/");
+ the_hash_algo->update_fn(&ctx, p->two->path, len2);
+ } else if (p->two->mode == 0) {
+ patch_id_add_string(&ctx, "---a/");
+ the_hash_algo->update_fn(&ctx, p->one->path, len1);
+ patch_id_add_string(&ctx, "+++/dev/null");
+ } else {
+ patch_id_add_string(&ctx, "---a/");
+ the_hash_algo->update_fn(&ctx, p->one->path, len1);
+ patch_id_add_string(&ctx, "+++b/");
+ the_hash_algo->update_fn(&ctx, p->two->path, len2);
+ }
- xpp.flags = 0;
- xecfg.ctxlen = 3;
- xecfg.flags = 0;
- if (xdi_diff_outf(&mf1, &mf2, patch_id_consume, &data,
- &xpp, &xecfg))
- return error("unable to generate patch-id diff for %s",
- p->one->path);
+ if (fill_mmfile(options->repo, &mf1, p->one) < 0 ||
+ fill_mmfile(options->repo, &mf2, p->two) < 0)
+ return error("unable to read files to diff");
+ xpp.flags = 0;
+ xecfg.ctxlen = 3;
+ xecfg.flags = XDL_EMIT_NO_HUNK_HDR;
+ if (xdi_diff_outf(&mf1, &mf2, NULL,
+ patch_id_consume, &data, &xpp, &xecfg))
+ return error("unable to generate patch-id diff for %s",
+ p->one->path);
+ }
+ flush_one_hunk(oid, &ctx);
}
- git_SHA1_Final(oid->hash, &ctx);
return 0;
}
int diff_flush_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only)
{
struct diff_queue_struct *q = &diff_queued_diff;
- int i;
int result = diff_get_patch_id(options, oid, diff_header_only);
- for (i = 0; i < q->nr; i++)
- diff_free_filepair(q->queue[i]);
-
- free(q->queue);
+ diff_free_queue(q);
DIFF_QUEUE_CLEAR(q);
return result;
@@ -5822,7 +6526,7 @@ static int is_summary_empty(const struct diff_queue_struct *q)
}
static const char rename_limit_warning[] =
-N_("inexact rename detection was skipped due to too many files.");
+N_("exhaustive rename detection was skipped due to too many files.");
static const char degrade_cc_to_c_warning[] =
N_("only found copies from modified paths due to too many files.");
@@ -5844,6 +6548,54 @@ void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc)
warning(_(rename_limit_advice), varname, needed);
}
+static void create_filepairs_for_header_only_notifications(struct diff_options *o)
+{
+ struct strset present;
+ struct diff_queue_struct *q = &diff_queued_diff;
+ struct hashmap_iter iter;
+ struct strmap_entry *e;
+ int i;
+
+ strset_init_with_options(&present, /*pool*/ NULL, /*strdup*/ 0);
+
+ /*
+ * Find out which paths exist in diff_queued_diff, preferring
+ * one->path for any pair that has multiple paths.
+ */
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ char *path = p->one->path ? p->one->path : p->two->path;
+
+ if (strmap_contains(o->additional_path_headers, path))
+ strset_add(&present, path);
+ }
+
+ /*
+ * Loop over paths in additional_path_headers; for each NOT already
+ * in diff_queued_diff, create a synthetic filepair and insert that
+ * into diff_queued_diff.
+ */
+ strmap_for_each_entry(o->additional_path_headers, &iter, e) {
+ if (!strset_contains(&present, e->key)) {
+ struct diff_filespec *one, *two;
+ struct diff_filepair *p;
+
+ one = alloc_filespec(e->key);
+ two = alloc_filespec(e->key);
+ fill_filespec(one, null_oid(), 0, 0);
+ fill_filespec(two, null_oid(), 0, 0);
+ p = diff_queue(q, one, two);
+ p->status = DIFF_STATUS_MODIFIED;
+ }
+ }
+
+ /* Re-sort the filepairs */
+ diffcore_fix_diff_index();
+
+ /* Cleanup */
+ strset_clear(&present);
+}
+
static void diff_flush_patch_all_file_pairs(struct diff_options *o)
{
int i;
@@ -5856,6 +6608,9 @@ static void diff_flush_patch_all_file_pairs(struct diff_options *o)
if (o->color_moved)
o->emitted_symbols = &esm;
+ if (o->additional_path_headers)
+ create_filepairs_for_header_only_notifications(o);
+
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
if (check_pair_status(p))
@@ -5864,22 +6619,18 @@ static void diff_flush_patch_all_file_pairs(struct diff_options *o)
if (o->emitted_symbols) {
if (o->color_moved) {
- struct hashmap add_lines, del_lines;
+ struct mem_pool entry_pool;
+ struct moved_entry_list *entry_list;
- if (o->color_moved_ws_handling &
- COLOR_MOVED_WS_ALLOW_INDENTATION_CHANGE)
- o->color_moved_ws_handling |= XDF_IGNORE_WHITESPACE;
-
- hashmap_init(&del_lines, moved_entry_cmp, o, 0);
- hashmap_init(&add_lines, moved_entry_cmp, o, 0);
-
- add_lines_to_move_detection(o, &add_lines, &del_lines);
- mark_color_as_moved(o, &add_lines, &del_lines);
+ mem_pool_init(&entry_pool, 1024 * 1024);
+ entry_list = add_lines_to_move_detection(o,
+ &entry_pool);
+ mark_color_as_moved(o, entry_list);
if (o->color_moved == COLOR_MOVED_ZEBRA_DIM)
dim_moved_lines(o);
- hashmap_free(&add_lines, 1);
- hashmap_free(&del_lines, 1);
+ mem_pool_discard(&entry_pool, 0);
+ free(entry_list);
}
for (i = 0; i < esm.nr; i++)
@@ -5887,8 +6638,37 @@ static void diff_flush_patch_all_file_pairs(struct diff_options *o)
for (i = 0; i < esm.nr; i++)
free((void *)esm.buf[i].line);
+ esm.nr = 0;
+
+ o->emitted_symbols = NULL;
}
- esm.nr = 0;
+}
+
+static void diff_free_file(struct diff_options *options)
+{
+ if (options->close_file)
+ fclose(options->file);
+}
+
+static void diff_free_ignore_regex(struct diff_options *options)
+{
+ int i;
+
+ for (i = 0; i < options->ignore_regex_nr; i++) {
+ regfree(options->ignore_regex[i]);
+ free(options->ignore_regex[i]);
+ }
+ free(options->ignore_regex);
+}
+
+void diff_free(struct diff_options *options)
+{
+ if (options->no_free)
+ return;
+
+ diff_free_file(options);
+ diff_free_ignore_regex(options);
+ clear_pathspec(&options->pathspec);
}
void diff_flush(struct diff_options *options)
@@ -5902,7 +6682,7 @@ void diff_flush(struct diff_options *options)
* Order: raw, stat, summary, patch
* or: name/name-status/checkdiff (other bits clear)
*/
- if (!q->nr)
+ if (!q->nr && !options->additional_path_headers)
goto free_queue;
if (output_format & (DIFF_FORMAT_RAW |
@@ -5924,12 +6704,7 @@ void diff_flush(struct diff_options *options)
dirstat_by_line) {
struct diffstat_t diffstat;
- memset(&diffstat, 0, sizeof(struct diffstat_t));
- for (i = 0; i < q->nr; i++) {
- struct diff_filepair *p = q->queue[i];
- if (check_pair_status(p))
- diff_flush_stat(p, options, &diffstat);
- }
+ compute_diffstat(options, &diffstat, q);
if (output_format & DIFF_FORMAT_NUMSTAT)
show_numstat(&diffstat, options);
if (output_format & DIFF_FORMAT_DIFFSTAT)
@@ -5951,6 +6726,21 @@ void diff_flush(struct diff_options *options)
separator++;
}
+ if (output_format & DIFF_FORMAT_PATCH) {
+ if (separator) {
+ emit_diff_symbol(options, DIFF_SYMBOL_SEPARATOR, NULL, 0, 0);
+ if (options->stat_sep)
+ /* attach patch instead of inline */
+ emit_diff_symbol(options, DIFF_SYMBOL_STAT_SEP,
+ NULL, 0, 0);
+ }
+
+ diff_flush_patch_all_file_pairs(options);
+ }
+
+ if (output_format & DIFF_FORMAT_CALLBACK)
+ options->format_callback(q, options, options->format_callback_data);
+
if (output_format & DIFF_FORMAT_NO_OUTPUT &&
options->flags.exit_with_status &&
options->flags.diff_from_contents) {
@@ -5959,8 +6749,7 @@ void diff_flush(struct diff_options *options)
* options->file to /dev/null should be safe, because we
* aren't supposed to produce any output anyway.
*/
- if (options->close_file)
- fclose(options->file);
+ diff_free_file(options);
options->file = xfopen("/dev/null", "w");
options->close_file = 1;
options->color_moved = 0;
@@ -5973,28 +6762,10 @@ void diff_flush(struct diff_options *options)
}
}
- if (output_format & DIFF_FORMAT_PATCH) {
- if (separator) {
- emit_diff_symbol(options, DIFF_SYMBOL_SEPARATOR, NULL, 0, 0);
- if (options->stat_sep)
- /* attach patch instead of inline */
- emit_diff_symbol(options, DIFF_SYMBOL_STAT_SEP,
- NULL, 0, 0);
- }
-
- diff_flush_patch_all_file_pairs(options);
- }
-
- if (output_format & DIFF_FORMAT_CALLBACK)
- options->format_callback(q, options, options->format_callback_data);
-
- for (i = 0; i < q->nr; i++)
- diff_free_filepair(q->queue[i]);
free_queue:
- free(q->queue);
+ diff_free_queue(q);
DIFF_QUEUE_CLEAR(q);
- if (options->close_file)
- fclose(options->file);
+ diff_free(options);
/*
* Report the content-level differences with HAS_CHANGES;
@@ -6069,9 +6840,9 @@ static int diff_filespec_is_identical(struct repository *r,
{
if (S_ISGITLINK(one->mode))
return 0;
- if (diff_populate_filespec(r, one, 0))
+ if (diff_populate_filespec(r, one, NULL))
return 0;
- if (diff_populate_filespec(r, two, 0))
+ if (diff_populate_filespec(r, two, NULL))
return 0;
return !memcmp(one->data, two->data, one->size);
}
@@ -6079,6 +6850,12 @@ static int diff_filespec_is_identical(struct repository *r,
static int diff_filespec_check_stat_unmatch(struct repository *r,
struct diff_filepair *p)
{
+ struct diff_populate_filespec_options dpf_options = {
+ .check_size_only = 1,
+ .missing_object_cb = diff_queued_diff_prefetch,
+ .missing_object_data = r,
+ };
+
if (p->done_skip_stat_unmatch)
return p->skip_stat_unmatch_result;
@@ -6101,8 +6878,8 @@ static int diff_filespec_check_stat_unmatch(struct repository *r,
!DIFF_FILE_VALID(p->two) ||
(p->one->oid_valid && p->two->oid_valid) ||
(p->one->mode != p->two->mode) ||
- diff_populate_filespec(r, p->one, CHECK_SIZE_ONLY) ||
- diff_populate_filespec(r, p->two, CHECK_SIZE_ONLY) ||
+ diff_populate_filespec(r, p->one, &dpf_options) ||
+ diff_populate_filespec(r, p->two, &dpf_options) ||
(p->one->size != p->two->size) ||
!diff_filespec_is_identical(r, p->one, p->two)) /* (2) */
p->skip_stat_unmatch_result = 1;
@@ -6147,14 +6924,72 @@ static int diffnamecmp(const void *a_, const void *b_)
return strcmp(name_a, name_b);
}
-void diffcore_fix_diff_index(struct diff_options *options)
+void diffcore_fix_diff_index(void)
{
struct diff_queue_struct *q = &diff_queued_diff;
QSORT(q->queue, q->nr, diffnamecmp);
}
+void diff_add_if_missing(struct repository *r,
+ struct oid_array *to_fetch,
+ const struct diff_filespec *filespec)
+{
+ if (filespec && filespec->oid_valid &&
+ !S_ISGITLINK(filespec->mode) &&
+ oid_object_info_extended(r, &filespec->oid, NULL,
+ OBJECT_INFO_FOR_PREFETCH))
+ oid_array_append(to_fetch, &filespec->oid);
+}
+
+void diff_queued_diff_prefetch(void *repository)
+{
+ struct repository *repo = repository;
+ int i;
+ struct diff_queue_struct *q = &diff_queued_diff;
+ struct oid_array to_fetch = OID_ARRAY_INIT;
+
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ diff_add_if_missing(repo, &to_fetch, p->one);
+ diff_add_if_missing(repo, &to_fetch, p->two);
+ }
+
+ /*
+ * NEEDSWORK: Consider deduplicating the OIDs sent.
+ */
+ promisor_remote_get_direct(repo, to_fetch.oid, to_fetch.nr);
+
+ oid_array_clear(&to_fetch);
+}
+
+void init_diffstat_widths(struct diff_options *options)
+{
+ options->stat_width = -1; /* use full terminal width */
+ options->stat_name_width = -1; /* respect diff.statNameWidth config */
+ options->stat_graph_width = -1; /* respect diff.statGraphWidth config */
+}
+
void diffcore_std(struct diff_options *options)
{
+ int output_formats_to_prefetch = DIFF_FORMAT_DIFFSTAT |
+ DIFF_FORMAT_NUMSTAT |
+ DIFF_FORMAT_PATCH |
+ DIFF_FORMAT_SHORTSTAT |
+ DIFF_FORMAT_DIRSTAT;
+
+ /*
+ * Check if the user requested a blob-data-requiring diff output and/or
+ * break-rewrite detection (which requires blob data). If yes, prefetch
+ * the diff pairs.
+ *
+ * If no prefetching occurs, diffcore_rename() will prefetch if it
+ * decides that it needs inexact rename detection.
+ */
+ if (options->repo == the_repository && repo_has_promisor_remote(the_repository) &&
+ (options->output_format & output_formats_to_prefetch ||
+ options->pickaxe_opts & DIFF_PICKAXE_KINDS_MASK))
+ diff_queued_diff_prefetch(options->repo);
+
/* NOTE please keep the following in sync with diff_tree_combined() */
if (options->skip_stat_unmatch)
diffcore_skip_stat_unmatch(options);
@@ -6172,6 +7007,8 @@ void diffcore_std(struct diff_options *options)
diffcore_pickaxe(options);
if (options->orderfile)
diffcore_order(options->orderfile);
+ if (options->rotate_to)
+ diffcore_rotate(options);
if (!options->found_follow)
/* See try_to_follow_renames() in tree-diff.c */
diff_resolve_rename_copy();
@@ -6185,16 +7022,14 @@ void diffcore_std(struct diff_options *options)
options->found_follow = 0;
}
-int diff_result_code(struct diff_options *opt, int status)
+int diff_result_code(struct diff_options *opt)
{
int result = 0;
diff_warn_rename_limit("diff.renameLimit",
opt->needed_rename_limit,
opt->degraded_cc_to_c);
- if (!opt->flags.exit_with_status &&
- !(opt->output_format & DIFF_FORMAT_CHECKDIFF))
- return status;
+
if (opt->flags.exit_with_status &&
opt->flags.has_changes)
result |= 01;
@@ -6229,6 +7064,21 @@ static int is_submodule_ignored(const char *path, struct diff_options *options)
return ignored;
}
+void compute_diffstat(struct diff_options *options,
+ struct diffstat_t *diffstat,
+ struct diff_queue_struct *q)
+{
+ int i;
+
+ memset(diffstat, 0, sizeof(struct diffstat_t));
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (check_pair_status(p))
+ diff_flush_stat(p, options, diffstat);
+ }
+ options->found_changes = !!diffstat->nr;
+}
+
void diff_addremove(struct diff_options *options,
int addremove, unsigned mode,
const struct object_id *oid,
@@ -6313,8 +7163,11 @@ void diff_change(struct diff_options *options,
return;
if (options->flags.quick && options->skip_stat_unmatch &&
- !diff_filespec_check_stat_unmatch(options->repo, p))
+ !diff_filespec_check_stat_unmatch(options->repo, p)) {
+ diff_free_filespec_data(p->one);
+ diff_free_filespec_data(p->two);
return;
+ }
options->flags.has_changes = 1;
}
@@ -6341,19 +7194,15 @@ static char *run_textconv(struct repository *r,
size_t *outsize)
{
struct diff_tempfile *temp;
- const char *argv[3];
- const char **arg = argv;
struct child_process child = CHILD_PROCESS_INIT;
struct strbuf buf = STRBUF_INIT;
int err = 0;
- temp = prepare_temp_file(r, spec->path, spec);
- *arg++ = pgm;
- *arg++ = temp->name;
- *arg = NULL;
+ temp = prepare_temp_file(r, spec);
+ strvec_push(&child.args, pgm);
+ strvec_push(&child.args, temp->name);
child.use_shell = 1;
- child.argv = argv;
child.out = -1;
if (start_command(&child)) {
remove_tempfile();
@@ -6386,7 +7235,7 @@ size_t fill_textconv(struct repository *r,
*outbuf = "";
return 0;
}
- if (diff_populate_filespec(r, df, 0))
+ if (diff_populate_filespec(r, df, NULL))
die("unable to read files to diff");
*outbuf = df->data;
return df->size;
@@ -6436,7 +7285,7 @@ int textconv_object(struct repository *r,
df = alloc_filespec(path);
fill_filespec(df, oid, oid_valid, mode);
- textconv = get_textconv(r->index, df);
+ textconv = get_textconv(r, df);
if (!textconv) {
free_filespec(df);
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-20 01:58:41 +0000