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-rw-r--r--builtin/merge.c101
1 files changed, 34 insertions, 67 deletions
diff --git a/builtin/merge.c b/builtin/merge.c
index 7554b8d412..23c53a3082 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -7,6 +7,7 @@
*/
#include "cache.h"
+#include "config.h"
#include "parse-options.h"
#include "builtin.h"
#include "lockfile.h"
@@ -44,7 +45,6 @@ struct strategy {
static const char * const builtin_merge_usage[] = {
N_("git merge [<options>] [<commit>...]"),
- N_("git merge [<options>] <msg> HEAD <commit>"),
N_("git merge --abort"),
N_("git merge --continue"),
NULL
@@ -416,7 +416,7 @@ static void finish(struct commit *head_commit,
DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
opts.detect_rename = DIFF_DETECT_RENAME;
diff_setup_done(&opts);
- diff_tree_sha1(head->hash, new_head->hash, "", &opts);
+ diff_tree_oid(head, new_head, "", &opts);
diffcore_std(&opts);
diff_flush(&opts);
}
@@ -537,7 +537,7 @@ static void parse_branch_merge_options(char *bmo)
die(_("Bad branch.%s.mergeoptions string: %s"), branch,
split_cmdline_strerror(argc));
REALLOC_ARRAY(argv, argc + 2);
- memmove(argv + 1, argv, sizeof(*argv) * (argc + 1));
+ MOVE_ARRAY(argv + 1, argv, argc + 1);
argc++;
argv[0] = "branch.*.mergeoptions";
parse_options(argc, argv, NULL, builtin_merge_options,
@@ -606,13 +606,13 @@ static int read_tree_trivial(struct object_id *common, struct object_id *head,
opts.verbose_update = 1;
opts.trivial_merges_only = 1;
opts.merge = 1;
- trees[nr_trees] = parse_tree_indirect(common->hash);
+ trees[nr_trees] = parse_tree_indirect(common);
if (!trees[nr_trees++])
return -1;
- trees[nr_trees] = parse_tree_indirect(head->hash);
+ trees[nr_trees] = parse_tree_indirect(head);
if (!trees[nr_trees++])
return -1;
- trees[nr_trees] = parse_tree_indirect(one->hash);
+ trees[nr_trees] = parse_tree_indirect(one);
if (!trees[nr_trees++])
return -1;
opts.fn = threeway_merge;
@@ -634,9 +634,10 @@ static void write_tree_trivial(struct object_id *oid)
static int try_merge_strategy(const char *strategy, struct commit_list *common,
struct commit_list *remoteheads,
- struct commit *head, const char *head_arg)
+ struct commit *head)
{
static struct lock_file lock;
+ const char *head_arg = "HEAD";
hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
refresh_cache(REFRESH_QUIET);
@@ -755,13 +756,17 @@ N_("Please enter a commit message to explain why this merge is necessary,\n"
"Lines starting with '%c' will be ignored, and an empty message aborts\n"
"the commit.\n");
+static void write_merge_heads(struct commit_list *);
static void prepare_to_commit(struct commit_list *remoteheads)
{
struct strbuf msg = STRBUF_INIT;
strbuf_addbuf(&msg, &merge_msg);
strbuf_addch(&msg, '\n');
+ if (squash)
+ BUG("the control must not reach here under --squash");
if (0 < option_edit)
strbuf_commented_addf(&msg, _(merge_editor_comment), comment_line_char);
+ write_merge_heads(remoteheads);
write_file_buf(git_path_merge_msg(), msg.buf, msg.len);
if (run_commit_hook(0 < option_edit, get_index_file(), "prepare-commit-msg",
git_path_merge_msg(), "merge", NULL))
@@ -839,9 +844,7 @@ static int suggest_conflicts(void)
struct strbuf msgbuf = STRBUF_INIT;
filename = git_path_merge_msg();
- fp = fopen(filename, "a");
- if (!fp)
- die_errno(_("Could not open '%s' for writing"), filename);
+ fp = xfopen(filename, "a");
append_conflicts_hint(&msgbuf);
fputs(msgbuf.buf, fp);
@@ -853,24 +856,6 @@ static int suggest_conflicts(void)
return 1;
}
-static struct commit *is_old_style_invocation(int argc, const char **argv,
- const struct object_id *head)
-{
- struct commit *second_token = NULL;
- if (argc > 2) {
- struct object_id second_oid;
-
- if (get_oid(argv[1], &second_oid))
- return NULL;
- second_token = lookup_commit_reference_gently(second_oid.hash, 0);
- if (!second_token)
- die(_("'%s' is not a commit"), argv[1]);
- if (oidcmp(&second_token->object.oid, head))
- return NULL;
- }
- return second_token;
-}
-
static int evaluate_result(void)
{
int cnt = 0;
@@ -923,7 +908,7 @@ static int setup_with_upstream(const char ***argv)
return i;
}
-static void write_merge_state(struct commit_list *remoteheads)
+static void write_merge_heads(struct commit_list *remoteheads)
{
struct commit_list *j;
struct strbuf buf = STRBUF_INIT;
@@ -939,8 +924,6 @@ static void write_merge_state(struct commit_list *remoteheads)
strbuf_addf(&buf, "%s\n", oid_to_hex(oid));
}
write_file_buf(git_path_merge_head(), buf.buf, buf.len);
- strbuf_addch(&merge_msg, '\n');
- write_file_buf(git_path_merge_msg(), merge_msg.buf, merge_msg.len);
strbuf_reset(&buf);
if (fast_forward == FF_NO)
@@ -948,6 +931,13 @@ static void write_merge_state(struct commit_list *remoteheads)
write_file_buf(git_path_merge_mode(), buf.buf, buf.len);
}
+static void write_merge_state(struct commit_list *remoteheads)
+{
+ write_merge_heads(remoteheads);
+ strbuf_addch(&merge_msg, '\n');
+ write_file_buf(git_path_merge_msg(), merge_msg.buf, merge_msg.len);
+}
+
static int default_edit_option(void)
{
static const char name[] = "GIT_MERGE_AUTOEDIT";
@@ -1120,7 +1110,6 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
struct object_id result_tree, stash, head_oid;
struct commit *head_commit;
struct strbuf buf = STRBUF_INIT;
- const char *head_arg;
int i, ret = 0, head_subsumed;
int best_cnt = -1, merge_was_ok = 0, automerge_was_ok = 0;
struct commit_list *common = NULL;
@@ -1137,12 +1126,12 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
* current branch.
*/
branch = branch_to_free = resolve_refdup("HEAD", 0, head_oid.hash, NULL);
- if (branch && starts_with(branch, "refs/heads/"))
- branch += 11;
+ if (branch)
+ skip_prefix(branch, "refs/heads/", &branch);
if (!branch || is_null_oid(&head_oid))
head_commit = NULL;
else
- head_commit = lookup_commit_or_die(head_oid.hash, "HEAD");
+ head_commit = lookup_commit_or_die(&head_oid, "HEAD");
init_diff_ui_defaults();
git_config(git_merge_config, NULL);
@@ -1260,34 +1249,12 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
}
/*
- * This could be traditional "merge <msg> HEAD <commit>..." and
- * the way we can tell it is to see if the second token is HEAD,
- * but some people might have misused the interface and used a
- * commit-ish that is the same as HEAD there instead.
- * Traditional format never would have "-m" so it is an
- * additional safety measure to check for it.
+ * All the rest are the commits being merged; prepare
+ * the standard merge summary message to be appended
+ * to the given message.
*/
- if (!have_message &&
- is_old_style_invocation(argc, argv, &head_commit->object.oid)) {
- warning("old-style 'git merge <msg> HEAD <commit>' is deprecated.");
- strbuf_addstr(&merge_msg, argv[0]);
- head_arg = argv[1];
- argv += 2;
- argc -= 2;
- remoteheads = collect_parents(head_commit, &head_subsumed,
- argc, argv, NULL);
- } else {
- /* We are invoked directly as the first-class UI. */
- head_arg = "HEAD";
-
- /*
- * All the rest are the commits being merged; prepare
- * the standard merge summary message to be appended
- * to the given message.
- */
- remoteheads = collect_parents(head_commit, &head_subsumed,
- argc, argv, &merge_msg);
- }
+ remoteheads = collect_parents(head_commit, &head_subsumed,
+ argc, argv, &merge_msg);
if (!head_commit || !argc)
usage_with_options(builtin_merge_usage,
@@ -1296,7 +1263,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
if (verify_signatures) {
for (p = remoteheads; p; p = p->next) {
struct commit *commit = p->item;
- char hex[GIT_SHA1_HEXSZ + 1];
+ char hex[GIT_MAX_HEXSZ + 1];
struct signature_check signature_check;
memset(&signature_check, 0, sizeof(signature_check));
@@ -1413,8 +1380,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
goto done;
}
- if (checkout_fast_forward(head_commit->object.oid.hash,
- commit->object.oid.hash,
+ if (checkout_fast_forward(&head_commit->object.oid,
+ &commit->object.oid,
overwrite_ignore)) {
ret = 1;
goto done;
@@ -1513,7 +1480,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
ret = try_merge_strategy(use_strategies[i]->name,
common, remoteheads,
- head_commit, head_arg);
+ head_commit);
if (!option_commit && !ret) {
merge_was_ok = 1;
/*
@@ -1583,7 +1550,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
printf(_("Using the %s to prepare resolving by hand.\n"),
best_strategy);
try_merge_strategy(best_strategy, common, remoteheads,
- head_commit, head_arg);
+ head_commit);
}
if (squash)
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-25 15:30:29 +0000