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merge(3p/git): Merge git upstream at v2.26.2

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This commit is contained in:
Vincent Ambo 2020-05-22 17:46:45 +01:00
commit 5229c9b232
1006 changed files with 149006 additions and 60819 deletions
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40
third_party/git/builtin/merge.c vendored
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@ -62,6 +62,7 @@ static int show_diffstat = 1, shortlog_len = -1, squash;
static int option_commit = -1;
static int option_edit = -1;
static int allow_trivial = 1, have_message, verify_signatures;
static int check_trust_level = 1;
static int overwrite_ignore = 1;
static struct strbuf merge_msg = STRBUF_INIT;
static struct strategy **use_strategies;
@ -81,7 +82,7 @@ static int show_progress = -1;
static int default_to_upstream = 1;
static int signoff;
static const char *sign_commit;
static int verify_msg = 1;
static int no_verify;
static struct strategy all_strategy[] = {
{ "recursive", DEFAULT_TWOHEAD | NO_TRIVIAL },
@ -287,7 +288,7 @@ static struct option builtin_merge_options[] = {
N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
OPT_BOOL(0, "overwrite-ignore", &overwrite_ignore, N_("update ignored files (default)")),
OPT_BOOL(0, "signoff", &signoff, N_("add Signed-off-by:")),
OPT_BOOL(0, "verify", &verify_msg, N_("verify commit-msg hook")),
OPT_BOOL(0, "no-verify", &no_verify, N_("bypass pre-merge-commit and commit-msg hooks")),
OPT_END()
};
@ -631,6 +632,8 @@ static int git_merge_config(const char *k, const char *v, void *cb)
} else if (!strcmp(k, "commit.gpgsign")) {
sign_commit = git_config_bool(k, v) ? "" : NULL;
return 0;
} else if (!strcmp(k, "gpg.mintrustlevel")) {
check_trust_level = 0;
}
status = fmt_merge_msg_config(k, v, cb);
@ -688,16 +691,13 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
struct commit_list *remoteheads,
struct commit *head)
{
struct lock_file lock = LOCK_INIT;
const char *head_arg = "HEAD";
hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
refresh_cache(REFRESH_QUIET);
if (write_locked_index(&the_index, &lock,
COMMIT_LOCK | SKIP_IF_UNCHANGED))
if (refresh_and_write_cache(REFRESH_QUIET, SKIP_IF_UNCHANGED, 0) < 0)
return error(_("Unable to write index."));
if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) {
struct lock_file lock = LOCK_INIT;
int clean, x;
struct commit *result;
struct commit_list *reversed = NULL;
@ -816,6 +816,18 @@ static void write_merge_heads(struct commit_list *);
static void prepare_to_commit(struct commit_list *remoteheads)
{
struct strbuf msg = STRBUF_INIT;
const char *index_file = get_index_file();
if (!no_verify && run_commit_hook(0 < option_edit, index_file, "pre-merge-commit", NULL))
abort_commit(remoteheads, NULL);
/*
* Re-read the index as pre-merge-commit hook could have updated it,
* and write it out as a tree. We must do this before we invoke
* the editor and after we invoke run_status above.
*/
if (find_hook("pre-merge-commit"))
discard_cache();
read_cache_from(index_file);
strbuf_addbuf(&msg, &merge_msg);
if (squash)
BUG("the control must not reach here under --squash");
@ -842,7 +854,7 @@ static void prepare_to_commit(struct commit_list *remoteheads)
abort_commit(remoteheads, NULL);
}
if (verify_msg && run_commit_hook(0 < option_edit, get_index_file(),
if (!no_verify && run_commit_hook(0 < option_edit, get_index_file(),
"commit-msg",
git_path_merge_msg(the_repository), NULL))
abort_commit(remoteheads, NULL);
@ -860,12 +872,8 @@ static int merge_trivial(struct commit *head, struct commit_list *remoteheads)
{
struct object_id result_tree, result_commit;
struct commit_list *parents, **pptr = &parents;
struct lock_file lock = LOCK_INIT;
hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
refresh_cache(REFRESH_QUIET);
if (write_locked_index(&the_index, &lock,
COMMIT_LOCK | SKIP_IF_UNCHANGED))
if (refresh_and_write_cache(REFRESH_QUIET, SKIP_IF_UNCHANGED, 0) < 0)
return error(_("Unable to write index."));
write_tree_trivial(&result_tree);
@ -1392,7 +1400,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
die(_("Can merge only exactly one commit into empty head"));
if (verify_signatures)
verify_merge_signature(remoteheads->item, verbosity);
verify_merge_signature(remoteheads->item, verbosity,
check_trust_level);
remote_head_oid = &remoteheads->item->object.oid;
read_empty(remote_head_oid, 0);
@ -1415,7 +1424,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
if (verify_signatures) {
for (p = remoteheads; p; p = p->next) {
verify_merge_signature(p->item, verbosity);
verify_merge_signature(p->item, verbosity,
check_trust_level);
}
}