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Merge branch 'ms/refs-exists'

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"git refs exists" that works like "git show-ref --exists" has been
added.

* ms/refs-exists:
  t: add test for git refs exists subcommand
  t1422: refactor tests to be shareable
  t1403: split 'show-ref --exists' tests into a separate file
  builtin/refs: add 'exists' subcommand
This commit is contained in:
Junio C Hamano
2025-09-12 10:41:19 -07:00
parent c31a276f12 ef94b3e5c6
commit 07f29476de
7 changed files with 154 additions and 66 deletions
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48
builtin/refs.c
View File

@@ -7,6 +7,7 @@
#include "strbuf.h"
#include "worktree.h"
#include "for-each-ref.h"
#include "refs/refs-internal.h"
#define REFS_MIGRATE_USAGE \
N_("git refs migrate --ref-format=<format> [--no-reflog] [--dry-run]")
@@ -14,6 +15,9 @@
#define REFS_VERIFY_USAGE \
N_("git refs verify [--strict] [--verbose]")
#define REFS_EXISTS_USAGE \
N_("git refs exists <ref>")
static int cmd_refs_migrate(int argc, const char **argv, const char *prefix,
struct repository *repo UNUSED)
{
@@ -113,6 +117,48 @@ static int cmd_refs_list(int argc, const char **argv, const char *prefix,
return for_each_ref_core(argc, argv, prefix, repo, refs_list_usage);
}
static int cmd_refs_exists(int argc, const char **argv, const char *prefix,
struct repository *repo UNUSED)
{
struct strbuf unused_referent = STRBUF_INIT;
struct object_id unused_oid;
unsigned int unused_type;
int failure_errno = 0;
const char *ref;
int ret = 0;
const char * const exists_usage[] = {
REFS_EXISTS_USAGE,
NULL,
};
struct option options[] = {
OPT_END(),
};
argc = parse_options(argc, argv, prefix, options, exists_usage, 0);
if (argc != 1)
die(_("'git refs exists' requires a reference"));
ref = *argv++;
if (refs_read_raw_ref(get_main_ref_store(the_repository), ref,
&unused_oid, &unused_referent, &unused_type,
&failure_errno)) {
if (failure_errno == ENOENT || failure_errno == EISDIR) {
error(_("reference does not exist"));
ret = 2;
} else {
errno = failure_errno;
error_errno(_("failed to look up reference"));
ret = 1;
}
goto out;
}
out:
strbuf_release(&unused_referent);
return ret;
}
int cmd_refs(int argc,
const char **argv,
const char *prefix,
@@ -122,6 +168,7 @@ int cmd_refs(int argc,
REFS_MIGRATE_USAGE,
REFS_VERIFY_USAGE,
"git refs list " COMMON_USAGE_FOR_EACH_REF,
REFS_EXISTS_USAGE,
NULL,
};
parse_opt_subcommand_fn *fn = NULL;
@@ -129,6 +176,7 @@ int cmd_refs(int argc,
OPT_SUBCOMMAND("migrate", &fn, cmd_refs_migrate),
OPT_SUBCOMMAND("verify", &fn, cmd_refs_verify),
OPT_SUBCOMMAND("list", &fn, cmd_refs_list),
OPT_SUBCOMMAND("exists", &fn, cmd_refs_exists),
OPT_END(),
};