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authorJunio C Hamano <gitster@pobox.com>2007-11-14 22:06:09 (GMT)
committerJunio C Hamano <gitster@pobox.com>2007-11-14 22:06:09 (GMT)
commitef4de8357dff57d403073572e8b260618bd03175 (patch)
tree3cdea53d0ba735b71cefe8b5c4e0af9e34ca0988 /builtin-tag.c
parent5e389c430d232e8b1a16e7357596328985111eab (diff)
parent4d8b1dc850bafdf2304a525a768fbfc7aa5361ae (diff)
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Merge branch 'mh/retag'
* mh/retag: Add tests for git tag Reuse previous annotation when overwriting a tag
Diffstat (limited to 'builtin-tag.c')
-rw-r--r--builtin-tag.c38
1 files changed, 35 insertions, 3 deletions
diff --git a/builtin-tag.c b/builtin-tag.c
index 4aca3dc..cbb0f04 100644
--- a/builtin-tag.c
+++ b/builtin-tag.c
@@ -246,9 +246,37 @@ static int git_tag_config(const char *var, const char *value)
return git_default_config(var, value);
}
+static void write_tag_body(int fd, const unsigned char *sha1)
+{
+ unsigned long size;
+ enum object_type type;
+ char *buf, *sp, *eob;
+ size_t len;
+
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf)
+ return;
+ /* skip header */
+ sp = strstr(buf, "\n\n");
+
+ if (!sp || !size || type != OBJ_TAG) {
+ free(buf);
+ return;
+ }
+ sp += 2; /* skip the 2 LFs */
+ eob = strstr(sp, "\n" PGP_SIGNATURE "\n");
+ if (eob)
+ len = eob - sp;
+ else
+ len = buf + size - sp;
+ write_or_die(fd, sp, len);
+
+ free(buf);
+}
+
static void create_tag(const unsigned char *object, const char *tag,
struct strbuf *buf, int message, int sign,
- unsigned char *result)
+ unsigned char *prev, unsigned char *result)
{
enum object_type type;
char header_buf[1024];
@@ -281,7 +309,11 @@ static void create_tag(const unsigned char *object, const char *tag,
if (fd < 0)
die("could not create file '%s': %s",
path, strerror(errno));
- write_or_die(fd, tag_template, strlen(tag_template));
+
+ if (!is_null_sha1(prev))
+ write_tag_body(fd, prev);
+ else
+ write_or_die(fd, tag_template, strlen(tag_template));
close(fd);
launch_editor(path, buf);
@@ -418,7 +450,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
die("tag '%s' already exists", tag);
if (annotate)
- create_tag(object, tag, &buf, message, sign, object);
+ create_tag(object, tag, &buf, message, sign, prev, object);
lock = lock_any_ref_for_update(ref, prev, 0);
if (!lock)