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-rw-r--r--builtin/merge.c220
1 files changed, 102 insertions, 118 deletions
diff --git a/builtin/merge.c b/builtin/merge.c
index 5900b81729..ebbe05033e 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -6,11 +6,17 @@
* Based on git-merge.sh by Junio C Hamano.
*/
-#define USE_THE_INDEX_COMPATIBILITY_MACROS
-#include "cache.h"
+#define USE_THE_INDEX_VARIABLE
+#include "builtin.h"
+#include "abspath.h"
+#include "advice.h"
#include "config.h"
+#include "editor.h"
+#include "environment.h"
+#include "gettext.h"
+#include "hex.h"
+#include "object-name.h"
#include "parse-options.h"
-#include "builtin.h"
#include "lockfile.h"
#include "run-command.h"
#include "hook.h"
@@ -20,24 +26,22 @@
#include "refspec.h"
#include "commit.h"
#include "diffcore.h"
+#include "path.h"
#include "revision.h"
#include "unpack-trees.h"
#include "cache-tree.h"
#include "dir.h"
-#include "utf8.h"
-#include "log-tree.h"
#include "color.h"
#include "rerere.h"
#include "help.h"
+#include "merge.h"
#include "merge-recursive.h"
#include "merge-ort-wrappers.h"
#include "resolve-undo.h"
#include "remote.h"
#include "fmt-merge-msg.h"
-#include "gpg-interface.h"
#include "sequencer.h"
#include "string-list.h"
-#include "packfile.h"
#include "tag.h"
#include "alias.h"
#include "branch.h"
@@ -71,8 +75,7 @@ static int overwrite_ignore = 1;
static struct strbuf merge_msg = STRBUF_INIT;
static struct strategy **use_strategies;
static size_t use_strategies_nr, use_strategies_alloc;
-static const char **xopts;
-static size_t xopts_nr, xopts_alloc;
+static struct strvec xopts = STRVEC_INIT;
static const char *branch;
static char *branch_mergeoptions;
static int verbosity;
@@ -188,7 +191,7 @@ static struct strategy *get_strategy(const char *name)
for (i = 0; i < main_cmds.cnt; i++) {
int j, found = 0;
struct cmdname *ent = main_cmds.names[i];
- for (j = 0; j < ARRAY_SIZE(all_strategy); j++)
+ for (j = 0; !found && j < ARRAY_SIZE(all_strategy); j++)
if (!strncmp(ent->name, all_strategy[j].name, ent->len)
&& !all_strategy[j].name[ent->len])
found = 1;
@@ -224,7 +227,7 @@ static void append_strategy(struct strategy *s)
use_strategies[use_strategies_nr++] = s;
}
-static int option_parse_strategy(const struct option *opt,
+static int option_parse_strategy(const struct option *opt UNUSED,
const char *name, int unset)
{
if (unset)
@@ -234,29 +237,9 @@ static int option_parse_strategy(const struct option *opt,
return 0;
}
-static int option_parse_x(const struct option *opt,
- const char *arg, int unset)
-{
- if (unset)
- return 0;
-
- ALLOC_GROW(xopts, xopts_nr + 1, xopts_alloc);
- xopts[xopts_nr++] = xstrdup(arg);
- return 0;
-}
-
-static int option_parse_n(const struct option *opt,
- const char *arg, int unset)
-{
- BUG_ON_OPT_ARG(arg);
- show_diffstat = unset;
- return 0;
-}
-
static struct option builtin_merge_options[] = {
- OPT_CALLBACK_F('n', NULL, NULL, NULL,
- N_("do not show a diffstat at the end of the merge"),
- PARSE_OPT_NOARG, option_parse_n),
+ OPT_SET_INT('n', NULL, &show_diffstat,
+ N_("do not show a diffstat at the end of the merge"), 0),
OPT_BOOL(0, "stat", &show_diffstat,
N_("show a diffstat at the end of the merge")),
OPT_BOOL(0, "summary", &show_diffstat, N_("(synonym to --stat)")),
@@ -277,10 +260,10 @@ static struct option builtin_merge_options[] = {
OPT_RERERE_AUTOUPDATE(&allow_rerere_auto),
OPT_BOOL(0, "verify-signatures", &verify_signatures,
N_("verify that the named commit has a valid GPG signature")),
- OPT_CALLBACK('s', "strategy", &use_strategies, N_("strategy"),
+ OPT_CALLBACK('s', "strategy", NULL, N_("strategy"),
N_("merge strategy to use"), option_parse_strategy),
- OPT_CALLBACK('X', "strategy-option", &xopts, N_("option=value"),
- N_("option for selected merge strategy"), option_parse_x),
+ OPT_STRVEC('X', "strategy-option", &xopts, N_("option=value"),
+ N_("option for selected merge strategy")),
OPT_CALLBACK('m', "message", &merge_msg, N_("message"),
N_("merge commit message (for a non-fast-forward merge)"),
option_parse_message),
@@ -318,7 +301,7 @@ static int save_state(struct object_id *stash)
int rc = -1;
fd = repo_hold_locked_index(the_repository, &lock_file, 0);
- refresh_cache(REFRESH_QUIET);
+ refresh_index(&the_index, REFRESH_QUIET, NULL, NULL, NULL);
if (0 <= fd)
repo_update_index_if_able(the_repository, &lock_file);
rollback_lock_file(&lock_file);
@@ -337,7 +320,7 @@ static int save_state(struct object_id *stash)
else if (!len) /* no changes */
goto out;
strbuf_setlen(&buffer, buffer.len-1);
- if (get_oid(buffer.buf, stash))
+ if (repo_get_oid(the_repository, buffer.buf, stash))
die(_("not a valid object: %s"), buffer.buf);
rc = 0;
out:
@@ -345,63 +328,53 @@ out:
return rc;
}
-static void read_empty(const struct object_id *oid, int verbose)
+static void read_empty(const struct object_id *oid)
{
- int i = 0;
- const char *args[7];
-
- args[i++] = "read-tree";
- if (verbose)
- args[i++] = "-v";
- args[i++] = "-m";
- args[i++] = "-u";
- args[i++] = empty_tree_oid_hex();
- args[i++] = oid_to_hex(oid);
- args[i] = NULL;
+ struct child_process cmd = CHILD_PROCESS_INIT;
+
+ strvec_pushl(&cmd.args, "read-tree", "-m", "-u", empty_tree_oid_hex(),
+ oid_to_hex(oid), NULL);
+ cmd.git_cmd = 1;
- if (run_command_v_opt(args, RUN_GIT_CMD))
+ if (run_command(&cmd))
die(_("read-tree failed"));
}
-static void reset_hard(const struct object_id *oid, int verbose)
+static void reset_hard(const struct object_id *oid)
{
- int i = 0;
- const char *args[6];
-
- args[i++] = "read-tree";
- if (verbose)
- args[i++] = "-v";
- args[i++] = "--reset";
- args[i++] = "-u";
- args[i++] = oid_to_hex(oid);
- args[i] = NULL;
+ struct child_process cmd = CHILD_PROCESS_INIT;
+
+ strvec_pushl(&cmd.args, "read-tree", "-v", "--reset", "-u",
+ oid_to_hex(oid), NULL);
+ cmd.git_cmd = 1;
- if (run_command_v_opt(args, RUN_GIT_CMD))
+ if (run_command(&cmd))
die(_("read-tree failed"));
}
static void restore_state(const struct object_id *head,
const struct object_id *stash)
{
- struct strvec args = STRVEC_INIT;
+ struct child_process cmd = CHILD_PROCESS_INIT;
- reset_hard(head, 1);
+ reset_hard(head);
if (is_null_oid(stash))
goto refresh_cache;
- strvec_pushl(&args, "stash", "apply", "--index", "--quiet", NULL);
- strvec_push(&args, oid_to_hex(stash));
+ strvec_pushl(&cmd.args, "stash", "apply", "--index", "--quiet", NULL);
+ strvec_push(&cmd.args, oid_to_hex(stash));
/*
* It is OK to ignore error here, for example when there was
* nothing to restore.
*/
- run_command_v_opt(args.v, RUN_GIT_CMD);
- strvec_clear(&args);
+ cmd.git_cmd = 1;
+ run_command(&cmd);
refresh_cache:
- if (discard_cache() < 0 || read_cache() < 0)
+ discard_index(&the_index);
+ if (repo_read_index(the_repository) < 0)
die(_("could not read index"));
}
@@ -489,8 +462,7 @@ static void finish(struct commit *head_commit,
if (new_head && show_diffstat) {
struct diff_options opts;
repo_diff_setup(the_repository, &opts);
- opts.stat_width = -1; /* use full terminal width */
- opts.stat_graph_width = -1; /* respect statGraphWidth config */
+ init_diffstat_widths(&opts);
opts.output_format |=
DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
opts.detect_rename = DIFF_DETECT_RENAME;
@@ -527,7 +499,8 @@ static void merge_name(const char *remote, struct strbuf *msg)
if (!remote_head)
die(_("'%s' does not point to a commit"), remote);
- if (dwim_ref(remote, strlen(remote), &branch_head, &found_ref, 0) > 0) {
+ if (repo_dwim_ref(the_repository, remote, strlen(remote), &branch_head,
+ &found_ref, 0) > 0) {
if (starts_with(found_ref, "refs/heads/")) {
strbuf_addf(msg, "%s\t\tbranch '%s' of .\n",
oid_to_hex(&branch_head), remote);
@@ -623,7 +596,8 @@ static void parse_branch_merge_options(char *bmo)
free(argv);
}
-static int git_merge_config(const char *k, const char *v, void *cb)
+static int git_merge_config(const char *k, const char *v,
+ const struct config_context *ctx, void *cb)
{
int status;
const char *str;
@@ -668,13 +642,10 @@ static int git_merge_config(const char *k, const char *v, void *cb)
return 0;
}
- status = fmt_merge_msg_config(k, v, cb);
+ status = fmt_merge_msg_config(k, v, ctx, cb);
if (status)
return status;
- status = git_gpg_config(k, v, NULL);
- if (status)
- return status;
- return git_diff_ui_config(k, v, cb);
+ return git_diff_ui_config(k, v, ctx, cb);
}
static int read_tree_trivial(struct object_id *common, struct object_id *head,
@@ -704,7 +675,7 @@ static int read_tree_trivial(struct object_id *common, struct object_id *head,
if (!trees[nr_trees++])
return -1;
opts.fn = threeway_merge;
- cache_tree_free(&active_cache_tree);
+ cache_tree_free(&the_index.cache_tree);
for (i = 0; i < nr_trees; i++) {
parse_tree(trees[i]);
init_tree_desc(t+i, trees[i]->buffer, trees[i]->size);
@@ -716,7 +687,7 @@ static int read_tree_trivial(struct object_id *common, struct object_id *head,
static void write_tree_trivial(struct object_id *oid)
{
- if (write_cache_as_tree(oid, 0, NULL))
+ if (write_index_as_tree(oid, &the_index, get_index_file(), 0, NULL))
die(_("git write-tree failed to write a tree"));
}
@@ -726,7 +697,9 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
{
const char *head_arg = "HEAD";
- if (refresh_and_write_cache(REFRESH_QUIET, SKIP_IF_UNCHANGED, 0) < 0)
+ if (repo_refresh_and_write_index(the_repository, REFRESH_QUIET,
+ SKIP_IF_UNCHANGED, 0, NULL, NULL,
+ NULL) < 0)
return error(_("Unable to write index."));
if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree") ||
@@ -750,9 +723,9 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
o.show_rename_progress =
show_progress == -1 ? isatty(2) : show_progress;
- for (x = 0; x < xopts_nr; x++)
- if (parse_merge_opt(&o, xopts[x]))
- die(_("unknown strategy option: -X%s"), xopts[x]);
+ for (x = 0; x < xopts.nr; x++)
+ if (parse_merge_opt(&o, xopts.v[x]))
+ die(_("unknown strategy option: -X%s"), xopts.v[x]);
o.branch1 = head_arg;
o.branch2 = merge_remote_util(remoteheads->item)->name;
@@ -760,7 +733,8 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
for (j = common; j; j = j->next)
commit_list_insert(j->item, &reversed);
- hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
+ repo_hold_locked_index(the_repository, &lock,
+ LOCK_DIE_ON_ERROR);
if (!strcmp(strategy, "ort"))
clean = merge_ort_recursive(&o, head, remoteheads->item,
reversed, &result);
@@ -777,13 +751,13 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
return clean ? 0 : 1;
} else {
return try_merge_command(the_repository,
- strategy, xopts_nr, xopts,
+ strategy, xopts.nr, xopts.v,
common, head_arg, remoteheads);
}
}
static void count_diff_files(struct diff_queue_struct *q,
- struct diff_options *opt, void *data)
+ struct diff_options *opt UNUSED, void *data)
{
int *count = data;
@@ -794,8 +768,8 @@ static int count_unmerged_entries(void)
{
int i, ret = 0;
- for (i = 0; i < active_nr; i++)
- if (ce_stage(active_cache[i]))
+ for (i = 0; i < the_index.cache_nr; i++)
+ if (ce_stage(the_index.cache[i]))
ret++;
return ret;
@@ -869,9 +843,9 @@ static void prepare_to_commit(struct commit_list *remoteheads)
* the editor and after we invoke run_status above.
*/
if (invoked_hook)
- discard_cache();
+ discard_index(&the_index);
}
- read_cache_from(index_file);
+ read_index_from(&the_index, index_file, get_git_dir());
strbuf_addbuf(&msg, &merge_msg);
if (squash)
BUG("the control must not reach here under --squash");
@@ -879,17 +853,19 @@ static void prepare_to_commit(struct commit_list *remoteheads)
strbuf_addch(&msg, '\n');
if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) {
wt_status_append_cut_line(&msg);
- strbuf_commented_addf(&msg, "\n");
+ strbuf_commented_addf(&msg, comment_line_char, "\n");
}
- strbuf_commented_addf(&msg, _(merge_editor_comment));
+ strbuf_commented_addf(&msg, comment_line_char,
+ _(merge_editor_comment));
if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS)
- strbuf_commented_addf(&msg, _(scissors_editor_comment));
+ strbuf_commented_addf(&msg, comment_line_char,
+ _(scissors_editor_comment));
else
- strbuf_commented_addf(&msg,
+ strbuf_commented_addf(&msg, comment_line_char,
_(no_scissors_editor_comment), comment_line_char);
}
if (signoff)
- append_signoff(&msg, ignore_non_trailer(msg.buf, msg.len), 0);
+ append_signoff(&msg, ignored_log_message_bytes(msg.buf, msg.len), 0);
write_merge_heads(remoteheads);
write_file_buf(git_path_merge_msg(the_repository), msg.buf, msg.len);
if (run_commit_hook(0 < option_edit, get_index_file(), NULL,
@@ -920,7 +896,9 @@ static int merge_trivial(struct commit *head, struct commit_list *remoteheads)
struct object_id result_tree, result_commit;
struct commit_list *parents, **pptr = &parents;
- if (refresh_and_write_cache(REFRESH_QUIET, SKIP_IF_UNCHANGED, 0) < 0)
+ if (repo_refresh_and_write_index(the_repository, REFRESH_QUIET,
+ SKIP_IF_UNCHANGED, 0, NULL, NULL,
+ NULL) < 0)
return error(_("Unable to write index."));
write_tree_trivial(&result_tree);
@@ -1386,7 +1364,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
goto done;
}
- if (read_cache_unmerged())
+ if (repo_read_index_unmerged(the_repository))
die_resolve_conflict("merge");
if (file_exists(git_path_merge_head(the_repository))) {
@@ -1407,7 +1385,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
else
die(_("You have not concluded your cherry-pick (CHERRY_PICK_HEAD exists)."));
}
- resolve_undo_clear();
+ resolve_undo_clear_index(&the_index);
if (option_edit < 0)
option_edit = default_edit_option();
@@ -1470,7 +1448,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
check_trust_level);
remote_head_oid = &remoteheads->item->object.oid;
- read_empty(remote_head_oid, 0);
+ read_empty(remote_head_oid);
update_ref("initial pull", "HEAD", remote_head_oid, NULL, 0,
UPDATE_REFS_DIE_ON_ERR);
goto done;
@@ -1536,7 +1514,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
if (!remoteheads)
; /* already up-to-date */
else if (!remoteheads->next)
- common = get_merge_bases(head_commit, remoteheads->item);
+ common = repo_get_merge_bases(the_repository, head_commit,
+ remoteheads->item);
else {
struct commit_list *list = remoteheads;
commit_list_insert(head_commit, &list);
@@ -1565,20 +1544,18 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
!common->next &&
oideq(&common->item->object.oid, &head_commit->object.oid)) {
/* Again the most common case of merging one remote. */
- struct strbuf msg = STRBUF_INIT;
+ const char *msg = have_message ?
+ "Fast-forward (no commit created; -m option ignored)" :
+ "Fast-forward";
struct commit *commit;
if (verbosity >= 0) {
printf(_("Updating %s..%s\n"),
- find_unique_abbrev(&head_commit->object.oid,
- DEFAULT_ABBREV),
- find_unique_abbrev(&remoteheads->item->object.oid,
- DEFAULT_ABBREV));
+ repo_find_unique_abbrev(the_repository, &head_commit->object.oid,
+ DEFAULT_ABBREV),
+ repo_find_unique_abbrev(the_repository, &remoteheads->item->object.oid,
+ DEFAULT_ABBREV));
}
- strbuf_addstr(&msg, "Fast-forward");
- if (have_message)
- strbuf_addstr(&msg,
- " (no commit created; -m option ignored)");
commit = remoteheads->item;
if (!commit) {
ret = 1;
@@ -1597,9 +1574,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
goto done;
}
- finish(head_commit, remoteheads, &commit->object.oid, msg.buf);
+ finish(head_commit, remoteheads, &commit->object.oid, msg);
remove_merge_branch_state(the_repository);
- strbuf_release(&msg);
goto done;
} else if (!remoteheads->next && common->next)
;
@@ -1612,13 +1588,14 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
* We are not doing octopus, not fast-forward, and have
* only one common.
*/
- refresh_cache(REFRESH_QUIET);
+ refresh_index(&the_index, REFRESH_QUIET, NULL, NULL, NULL);
if (allow_trivial && fast_forward != FF_ONLY) {
/*
* Must first ensure that index matches HEAD before
* attempting a trivial merge.
*/
- struct tree *head_tree = get_commit_tree(head_commit);
+ struct tree *head_tree = repo_get_commit_tree(the_repository,
+ head_commit);
struct strbuf sb = STRBUF_INIT;
if (repo_index_has_changes(the_repository, head_tree,
@@ -1626,7 +1603,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
error(_("Your local changes to the following files would be overwritten by merge:\n %s"),
sb.buf);
strbuf_release(&sb);
- return 2;
+ ret = 2;
+ goto done;
}
/* See if it is really trivial. */
@@ -1650,14 +1628,19 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
for (j = remoteheads; j; j = j->next) {
struct commit_list *common_one;
+ struct commit *common_item;
/*
* Here we *have* to calculate the individual
* merge_bases again, otherwise "git merge HEAD^
* HEAD^^" would be missed.
*/
- common_one = get_merge_bases(head_commit, j->item);
- if (!oideq(&common_one->item->object.oid, &j->item->object.oid)) {
+ common_one = repo_get_merge_bases(the_repository,
+ head_commit,
+ j->item);
+ common_item = common_one->item;
+ free_commit_list(common_one);
+ if (!oideq(&common_item->object.oid, &j->item->object.oid)) {
up_to_date = 0;
break;
}
@@ -1794,5 +1777,6 @@ done:
}
strbuf_release(&buf);
free(branch_to_free);
+ discard_index(&the_index);
return ret;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-12 17:01:13 +0000