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Merge branch 'bf/set-head-symref' into bf/fetch-set-head-config

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* bf/set-head-symref:
  fetch set_head: handle mirrored bare repositories
  fetch: set remote/HEAD if it does not exist
  refs: add create_only option to refs_update_symref_extended
  refs: add TRANSACTION_CREATE_EXISTS error
  remote set-head: better output for --auto
  remote set-head: refactor for readability
  refs: atomically record overwritten ref in update_symref
  refs: standardize output of refs_read_symbolic_ref
  t/t5505-remote: test failure of set-head
  t/t5505-remote: set default branch to main
This commit is contained in:
Junio C Hamano
2024-11-27 22:49:05 +09:00
parent cc01bad4a9 b1b713f722
commit 761e62a09a
18 changed files with 438 additions and 58 deletions
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70
builtin/remote.c
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@ -1399,11 +1399,40 @@ static int show(int argc, const char **argv, const char *prefix)
return result;
}
static void report_set_head_auto(const char *remote, const char *head_name,
struct strbuf *b_local_head, int was_detached) {
struct strbuf buf_prefix = STRBUF_INIT;
const char *prev_head = NULL;
strbuf_addf(&buf_prefix, "refs/remotes/%s/", remote);
skip_prefix(b_local_head->buf, buf_prefix.buf, &prev_head);
if (prev_head && !strcmp(prev_head, head_name))
printf(_("'%s/HEAD' is unchanged and points to '%s'\n"),
remote, head_name);
else if (prev_head)
printf(_("'%s/HEAD' has changed from '%s' and now points to '%s'\n"),
remote, prev_head, head_name);
else if (!b_local_head->len)
printf(_("'%s/HEAD' is now created and points to '%s'\n"),
remote, head_name);
else if (was_detached && b_local_head->len)
printf(_("'%s/HEAD' was detached at '%s' and now points to '%s'\n"),
remote, b_local_head->buf, head_name);
else
printf(_("'%s/HEAD' used to point to '%s' "
"(which is not a remote branch), but now points to '%s'\n"),
remote, b_local_head->buf, head_name);
strbuf_release(&buf_prefix);
}
static int set_head(int argc, const char **argv, const char *prefix)
{
int i, opt_a = 0, opt_d = 0, result = 0;
struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
int i, opt_a = 0, opt_d = 0, result = 0, was_detached;
struct strbuf b_head = STRBUF_INIT, b_remote_head = STRBUF_INIT,
b_local_head = STRBUF_INIT;
char *head_name = NULL;
struct ref_store *refs = get_main_ref_store(the_repository);
struct option options[] = {
OPT_BOOL('a', "auto", &opt_a,
@ -1415,7 +1444,7 @@ static int set_head(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, options,
builtin_remote_sethead_usage, 0);
if (argc)
strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
strbuf_addf(&b_head, "refs/remotes/%s/HEAD", argv[0]);
if (!opt_a && !opt_d && argc == 2) {
head_name = xstrdup(argv[1]);
@ -1434,25 +1463,32 @@ static int set_head(int argc, const char **argv, const char *prefix)
head_name = xstrdup(states.heads.items[0].string);
free_remote_ref_states(&states);
} else if (opt_d && !opt_a && argc == 1) {
if (refs_delete_ref(get_main_ref_store(the_repository), NULL, buf.buf, NULL, REF_NO_DEREF))
result |= error(_("Could not delete %s"), buf.buf);
if (refs_delete_ref(refs, NULL, b_head.buf, NULL, REF_NO_DEREF))
result |= error(_("Could not delete %s"), b_head.buf);
} else
usage_with_options(builtin_remote_sethead_usage, options);
if (head_name) {
strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
/* make sure it's valid */
if (!refs_ref_exists(get_main_ref_store(the_repository), buf2.buf))
result |= error(_("Not a valid ref: %s"), buf2.buf);
else if (refs_update_symref(get_main_ref_store(the_repository), buf.buf, buf2.buf, "remote set-head"))
result |= error(_("Could not setup %s"), buf.buf);
else if (opt_a)
printf("%s/HEAD set to %s\n", argv[0], head_name);
free(head_name);
if (!head_name)
goto cleanup;
strbuf_addf(&b_remote_head, "refs/remotes/%s/%s", argv[0], head_name);
if (!refs_ref_exists(refs, b_remote_head.buf)) {
result |= error(_("Not a valid ref: %s"), b_remote_head.buf);
goto cleanup;
}
was_detached = refs_update_symref_extended(refs, b_head.buf, b_remote_head.buf,
"remote set-head", &b_local_head, 0);
if (was_detached == -1) {
result |= error(_("Could not set up %s"), b_head.buf);
goto cleanup;
}
if (opt_a)
report_set_head_auto(argv[0], head_name, &b_local_head, was_detached);
strbuf_release(&buf);
strbuf_release(&buf2);
cleanup:
free(head_name);
strbuf_release(&b_head);
strbuf_release(&b_remote_head);
strbuf_release(&b_local_head);
return result;
}