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-rw-r--r--diff.c86
1 files changed, 47 insertions, 39 deletions
diff --git a/diff.c b/diff.c
index 3be927b073..c89c15d98e 100644
--- a/diff.c
+++ b/diff.c
@@ -3,6 +3,7 @@
*/
#define USE_THE_REPOSITORY_VARIABLE
+#define DISABLE_SIGN_COMPARE_WARNINGS
#include "git-compat-util.h"
#include "abspath.h"
@@ -443,8 +444,10 @@ int git_diff_ui_config(const char *var, const char *value,
}
if (!strcmp(var, "diff.wordregex"))
return git_config_string(&diff_word_regex_cfg, var, value);
- if (!strcmp(var, "diff.orderfile"))
+ if (!strcmp(var, "diff.orderfile")) {
+ FREE_AND_NULL(diff_order_file_cfg);
return git_config_pathname(&diff_order_file_cfg, var, value);
+ }
if (!strcmp(var, "diff.ignoresubmodules")) {
if (!value)
@@ -2315,12 +2318,9 @@ const char *diff_get_color(int diff_use_color, enum color_diff ix)
const char *diff_line_prefix(struct diff_options *opt)
{
- struct strbuf *msgbuf;
- if (!opt->output_prefix)
- return "";
-
- msgbuf = opt->output_prefix(opt, opt->output_prefix_data);
- return msgbuf->buf;
+ return opt->output_prefix ?
+ opt->output_prefix(opt, opt->output_prefix_data) :
+ "";
}
static unsigned long sane_truncate_line(char *line, unsigned long len)
@@ -3675,6 +3675,7 @@ static void builtin_diff(const char *name_a,
emit_diff_symbol(o, DIFF_SYMBOL_BINARY_FILES,
sb.buf, sb.len, 0);
strbuf_release(&sb);
+ o->found_changes = 1;
goto free_ab_and_return;
}
if (fill_mmfile(o->repo, &mf1, one) < 0 ||
@@ -4041,7 +4042,8 @@ static int reuse_worktree_file(struct index_state *istate,
* objects however would tend to be slower as they need
* to be individually opened and inflated.
*/
- if (!FAST_WORKING_DIRECTORY && !want_file && has_object_pack(oid))
+ if (!FAST_WORKING_DIRECTORY && !want_file &&
+ has_object_pack(istate->repo, oid))
return 0;
/*
@@ -4777,7 +4779,7 @@ void repo_diff_setup(struct repository *r, struct diff_options *options)
if (diff_indent_heuristic)
DIFF_XDL_SET(options, INDENT_HEURISTIC);
- options->orderfile = diff_order_file_cfg;
+ options->orderfile = xstrdup_or_null(diff_order_file_cfg);
if (!options->flags.ignore_submodule_set)
options->flags.ignore_untracked_in_submodules = 1;
@@ -5397,7 +5399,6 @@ static int diff_opt_line_prefix(const struct option *opt,
BUG_ON_OPT_NEG(unset);
options->line_prefix = optarg;
- options->line_prefix_length = strlen(options->line_prefix);
graph_setup_line_prefix(options);
return 0;
}
@@ -5492,6 +5493,8 @@ static int diff_opt_pickaxe_regex(const struct option *opt,
BUG_ON_OPT_NEG(unset);
options->pickaxe = arg;
options->pickaxe_opts |= DIFF_PICKAXE_KIND_G;
+ if (arg && !*arg)
+ return error(_("-G requires a non-empty argument"));
return 0;
}
@@ -5503,6 +5506,8 @@ static int diff_opt_pickaxe_string(const struct option *opt,
BUG_ON_OPT_NEG(unset);
options->pickaxe = arg;
options->pickaxe_opts |= DIFF_PICKAXE_KIND_S;
+ if (arg && !*arg)
+ return error(_("-S requires a non-empty argument"));
return 0;
}
@@ -5980,11 +5985,18 @@ void diff_free_filepair(struct diff_filepair *p)
free(p);
}
-void diff_free_queue(struct diff_queue_struct *q)
+void diff_queue_init(struct diff_queue_struct *q)
+{
+ struct diff_queue_struct blank = DIFF_QUEUE_INIT;
+ memcpy(q, &blank, sizeof(*q));
+}
+
+void diff_queue_clear(struct diff_queue_struct *q)
{
for (int i = 0; i < q->nr; i++)
diff_free_filepair(q->queue[i]);
free(q->queue);
+ diff_queue_init(q);
}
const char *diff_aligned_abbrev(const struct object_id *oid, int len)
@@ -6384,7 +6396,7 @@ static void diff_summary(struct diff_options *opt, struct diff_filepair *p)
}
struct patch_id_t {
- git_hash_ctx *ctx;
+ struct git_hash_ctx *ctx;
int patchlen;
};
@@ -6401,13 +6413,13 @@ static int remove_space(char *line, int len)
return dst - line;
}
-void flush_one_hunk(struct object_id *result, git_hash_ctx *ctx)
+void flush_one_hunk(struct object_id *result, struct git_hash_ctx *ctx)
{
unsigned char hash[GIT_MAX_RAWSZ];
unsigned short carry = 0;
int i;
- the_hash_algo->final_fn(hash, ctx);
+ git_hash_final(hash, ctx);
the_hash_algo->init_fn(ctx);
/* 20-byte sum, with carry */
for (i = 0; i < the_hash_algo->rawsz; ++i) {
@@ -6426,22 +6438,22 @@ static int patch_id_consume(void *priv, char *line, unsigned long len)
return 0;
new_len = remove_space(line, len);
- the_hash_algo->update_fn(data->ctx, line, new_len);
+ git_hash_update(data->ctx, line, new_len);
data->patchlen += new_len;
return 0;
}
-static void patch_id_add_string(git_hash_ctx *ctx, const char *str)
+static void patch_id_add_string(struct git_hash_ctx *ctx, const char *str)
{
- the_hash_algo->update_fn(ctx, str, strlen(str));
+ git_hash_update(ctx, str, strlen(str));
}
-static void patch_id_add_mode(git_hash_ctx *ctx, unsigned mode)
+static void patch_id_add_mode(struct git_hash_ctx *ctx, unsigned mode)
{
/* large enough for 2^32 in octal */
char buf[12];
int len = xsnprintf(buf, sizeof(buf), "%06o", mode);
- the_hash_algo->update_fn(ctx, buf, len);
+ git_hash_update(ctx, buf, len);
}
/* returns 0 upon success, and writes result into oid */
@@ -6449,7 +6461,7 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid
{
struct diff_queue_struct *q = &diff_queued_diff;
int i;
- git_hash_ctx ctx;
+ struct git_hash_ctx ctx;
struct patch_id_t data;
the_hash_algo->init_fn(&ctx);
@@ -6485,9 +6497,9 @@ 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/");
- the_hash_algo->update_fn(&ctx, p->one->path, len1);
+ git_hash_update(&ctx, p->one->path, len1);
patch_id_add_string(&ctx, "b/");
- the_hash_algo->update_fn(&ctx, p->two->path, len2);
+ git_hash_update(&ctx, p->two->path, len2);
if (p->one->mode == 0) {
patch_id_add_string(&ctx, "newfilemode");
@@ -6506,24 +6518,24 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid
/* 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)) {
- the_hash_algo->update_fn(&ctx, oid_to_hex(&p->one->oid),
+ git_hash_update(&ctx, oid_to_hex(&p->one->oid),
the_hash_algo->hexsz);
- the_hash_algo->update_fn(&ctx, oid_to_hex(&p->two->oid),
+ git_hash_update(&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);
+ git_hash_update(&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);
+ git_hash_update(&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);
+ git_hash_update(&ctx, p->one->path, len1);
patch_id_add_string(&ctx, "+++b/");
- the_hash_algo->update_fn(&ctx, p->two->path, len2);
+ git_hash_update(&ctx, p->two->path, len2);
}
if (fill_mmfile(options->repo, &mf1, p->one) < 0 ||
@@ -6548,8 +6560,7 @@ int diff_flush_patch_id(struct diff_options *options, struct object_id *oid, int
struct diff_queue_struct *q = &diff_queued_diff;
int result = diff_get_patch_id(options, oid, diff_header_only);
- diff_free_queue(q);
- DIFF_QUEUE_CLEAR(q);
+ diff_queue_clear(q);
return result;
}
@@ -6729,6 +6740,7 @@ void diff_free(struct diff_options *options)
FREE_AND_NULL(options->objfind);
}
+ FREE_AND_NULL(options->orderfile);
for (size_t i = 0; i < options->anchors_nr; i++)
free(options->anchors[i]);
FREE_AND_NULL(options->anchors);
@@ -6831,8 +6843,7 @@ void diff_flush(struct diff_options *options)
}
free_queue:
- diff_free_queue(q);
- DIFF_QUEUE_CLEAR(q);
+ diff_queue_clear(q);
diff_free(options);
/*
@@ -6863,9 +6874,7 @@ static void diffcore_apply_filter(struct diff_options *options)
{
int i;
struct diff_queue_struct *q = &diff_queued_diff;
- struct diff_queue_struct outq;
-
- DIFF_QUEUE_CLEAR(&outq);
+ struct diff_queue_struct outq = DIFF_QUEUE_INIT;
if (!options->filter)
return;
@@ -6958,8 +6967,7 @@ static void diffcore_skip_stat_unmatch(struct diff_options *diffopt)
{
int i;
struct diff_queue_struct *q = &diff_queued_diff;
- struct diff_queue_struct outq;
- DIFF_QUEUE_CLEAR(&outq);
+ struct diff_queue_struct outq = DIFF_QUEUE_INIT;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
@@ -7382,6 +7390,6 @@ void setup_diff_pager(struct diff_options *opt)
* --exit-code" in hooks and other scripts, we do not do so.
*/
if (!opt->flags.exit_with_status &&
- check_pager_config("diff") != 0)
- setup_pager();
+ check_pager_config(the_repository, "diff") != 0)
+ setup_pager(the_repository);
}