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authorJunio C Hamano <gitster@pobox.com>2010-05-21 11:02:17 (GMT)
committerJunio C Hamano <gitster@pobox.com>2010-05-21 11:02:17 (GMT)
commite22d62d9151e0e51c3dc4f951fb5d88dc30482c6 (patch)
tree1660cbd676f75d5ddc6a9407463322fd162a8d25 /builtin/describe.c
parentcd4ce1e8a81ef5c24af7b914fb72212273e7d489 (diff)
parent03e8b541b38d95d1cd7b287963c82617a0469f80 (diff)
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Merge branch 'sp/maint-describe-tiebreak-with-tagger-date'
* sp/maint-describe-tiebreak-with-tagger-date: describe: Break annotated tag ties by tagger date tag.c: Parse tagger date (if present) tag.c: Refactor parse_tag_buffer to be saner to program tag.h: Remove unused signature field tag.c: Correct indentation
Diffstat (limited to 'builtin/describe.c')
-rw-r--r--builtin/describe.c49
1 files changed, 45 insertions, 4 deletions
diff --git a/builtin/describe.c b/builtin/describe.c
index 71be2a9..43caff2 100644
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -35,7 +35,8 @@ static const char *diff_index_args[] = {
struct commit_name {
struct tag *tag;
- int prio; /* annotated tag = 2, tag = 1, head = 0 */
+ unsigned prio:2; /* annotated tag = 2, tag = 1, head = 0 */
+ unsigned name_checked:1;
unsigned char sha1[20];
char path[FLEX_ARRAY]; /* more */
};
@@ -43,18 +44,53 @@ static const char *prio_names[] = {
"head", "lightweight", "annotated",
};
+static int replace_name(struct commit_name *e,
+ int prio,
+ const unsigned char *sha1,
+ struct tag **tag)
+{
+ if (!e || e->prio < prio)
+ return 1;
+
+ if (e->prio == 2 && prio == 2) {
+ /* Multiple annotated tags point to the same commit.
+ * Select one to keep based upon their tagger date.
+ */
+ struct tag *t;
+
+ if (!e->tag) {
+ t = lookup_tag(e->sha1);
+ if (!t || parse_tag(t))
+ return 1;
+ e->tag = t;
+ }
+
+ t = lookup_tag(sha1);
+ if (!t || parse_tag(t))
+ return 0;
+ *tag = t;
+
+ if (e->tag->date < t->date)
+ return 1;
+ }
+
+ return 0;
+}
+
static void add_to_known_names(const char *path,
struct commit *commit,
int prio,
const unsigned char *sha1)
{
struct commit_name *e = commit->util;
- if (!e || e->prio < prio) {
+ struct tag *tag = NULL;
+ if (replace_name(e, prio, sha1, &tag)) {
size_t len = strlen(path)+1;
free(e);
e = xmalloc(sizeof(struct commit_name) + len);
- e->tag = NULL;
+ e->tag = tag;
e->prio = prio;
+ e->name_checked = 0;
hashcpy(e->sha1, sha1);
memcpy(e->path, path, len);
commit->util = e;
@@ -165,10 +201,15 @@ static void display_name(struct commit_name *n)
{
if (n->prio == 2 && !n->tag) {
n->tag = lookup_tag(n->sha1);
- if (!n->tag || parse_tag(n->tag) || !n->tag->tag)
+ if (!n->tag || parse_tag(n->tag))
die("annotated tag %s not available", n->path);
+ }
+ if (n->tag && !n->name_checked) {
+ if (!n->tag->tag)
+ die("annotated tag %s has no embedded name", n->path);
if (strcmp(n->tag->tag, all ? n->path + 5 : n->path))
warning("tag '%s' is really '%s' here", n->tag->tag, n->path);
+ n->name_checked = 1;
}
if (n->tag)