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Make old sha1 optional with git update-ref -d

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Giving the old sha1 is already optional when changing a ref, and it's
quite handy when running update-ref manually. So make it optional for
deleting a ref too.

Signed-off-by: Karl Hasselström <kha@treskal.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Karl Hasselström
2008-06-03 01:34:53 +02:00
committed by Junio C Hamano
parent 973a70ea4d
commit 3fe8dce6fc
3 changed files with 12 additions and 4 deletions
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6
builtin-update-ref.c
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@ -4,7 +4,7 @@
#include "parse-options.h"
static const char * const git_update_ref_usage[] = {
"git-update-ref [options] -d <refname> <oldval>",
"git-update-ref [options] -d <refname> [<oldval>]",
"git-update-ref [options] <refname> <newval> [<oldval>]",
NULL
};
@ -28,7 +28,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
die("Refusing to perform update with empty message.");
if (delete) {
if (argc != 2)
if (argc < 1 || argc > 2)
usage_with_options(git_update_ref_usage, options);
refname = argv[0];
oldval = argv[1];
@ -48,7 +48,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
die("%s: not a valid old SHA1", oldval);
if (delete)
return delete_ref(refname, oldsha1);
return delete_ref(refname, oldval ? oldsha1 : NULL);
else
return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL,
no_deref ? REF_NODEREF : 0, DIE_ON_ERR);