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@xxxxxxxxxxx>
---
Documentation/git-update-ref.txt | 2 +-
builtin-update-ref.c | 6 +++---
t/t1400-update-ref.sh | 8 ++++++++
3 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt
index 4dc4759..80b94c3 100644
--- a/Documentation/git-update-ref.txt
+++ b/Documentation/git-update-ref.txt
@@ -7,7 +7,7 @@ git-update-ref - Update the object name stored in a ref safely
SYNOPSIS
--------
-'git-update-ref' [-m <reason>] (-d <ref> <oldvalue> | [--no-deref] <ref> <newvalue> [<oldvalue>])
+'git-update-ref' [-m <reason>] (-d <ref> [<oldvalue>] | [--no-deref] <ref> <newvalue> [<oldvalue>])
DESCRIPTION
-----------
diff --git a/builtin-update-ref.c b/builtin-update-ref.c
index cc8bc5c..9546488 100644
--- a/builtin-update-ref.c
+++ b/builtin-update-ref.c
@@ -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);
diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh
index b8b7ab4..f387d46 100755
--- a/t/t1400-update-ref.sh
+++ b/t/t1400-update-ref.sh
@@ -42,6 +42,14 @@ test_expect_success "delete $m" '
'
rm -f .git/$m
+test_expect_success "delete $m without oldvalue verification" "
+ git update-ref $m $A &&
+ test $A = \$(cat .git/$m) &&
+ git update-ref -d $m &&
+ ! test -f .git/$m
+"
+rm -f .git/$m
+
test_expect_success \
"fail to create $n" \
"touch .git/$n_dir
--
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