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Merge branch 'jc/symbolic-ref-no-recurse'

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After checking out a "branch" that is a symbolic-ref that points at
another branch, "git symbolic-ref HEAD" reports the underlying
branch, not the symbolic-ref the user gave checkout as argument.
The command learned the "--no-recurse" option to stop after
dereferencing a symbolic-ref only once.

* jc/symbolic-ref-no-recurse:
  symbolic-ref: teach "--[no-]recurse" option
This commit is contained in:
Junio C Hamano
2022-10-21 11:37:28 -07:00
parent 6269c46ada b77e3bdd97
commit 4a48c7d25f
3 changed files with 35 additions and 8 deletions
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18
builtin/symbolic-ref.c
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@ -6,14 +6,17 @@
static const char * const git_symbolic_ref_usage[] = {
N_("git symbolic-ref [<options>] <name> [<ref>]"),
N_("git symbolic-ref -d [-q] <name>"),
N_("git symbolic-ref -d [-q] [--no-recurse] <name>"),
NULL
};
static int check_symref(const char *HEAD, int quiet, int shorten, int print)
static int check_symref(const char *HEAD, int quiet, int shorten, int recurse, int print)
{
int flag;
const char *refname = resolve_ref_unsafe(HEAD, 0, NULL, &flag);
int resolve_flags, flag;
const char *refname;
resolve_flags = (recurse ? 0 : RESOLVE_REF_NO_RECURSE);
refname = resolve_ref_unsafe(HEAD, resolve_flags, NULL, &flag);
if (!refname)
die("No such ref: %s", HEAD);
@ -35,13 +38,14 @@ static int check_symref(const char *HEAD, int quiet, int shorten, int print)
int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
{
int quiet = 0, delete = 0, shorten = 0, ret = 0;
int quiet = 0, delete = 0, shorten = 0, recurse = 1, ret = 0;
const char *msg = NULL;
struct option options[] = {
OPT__QUIET(&quiet,
N_("suppress error message for non-symbolic (detached) refs")),
OPT_BOOL('d', "delete", &delete, N_("delete symbolic ref")),
OPT_BOOL(0, "short", &shorten, N_("shorten ref output")),
OPT_BOOL(0, "recurse", &recurse, N_("recursively dereference (default)")),
OPT_STRING('m', NULL, &msg, N_("reason"), N_("reason of the update")),
OPT_END(),
};
@ -55,7 +59,7 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
if (delete) {
if (argc != 1)
usage_with_options(git_symbolic_ref_usage, options);
ret = check_symref(argv[0], 1, 0, 0);
ret = check_symref(argv[0], 1, 0, 0, 0);
if (ret)
die("Cannot delete %s, not a symbolic ref", argv[0]);
if (!strcmp(argv[0], "HEAD"))
@ -65,7 +69,7 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
switch (argc) {
case 1:
ret = check_symref(argv[0], quiet, shorten, 1);
ret = check_symref(argv[0], quiet, shorten, recurse, 1);
break;
case 2:
if (!strcmp(argv[0], "HEAD") &&