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Diffstat (limited to 'builtin/tag.c')
-rw-r--r--builtin/tag.c66
1 files changed, 55 insertions, 11 deletions
diff --git a/builtin/tag.c b/builtin/tag.c
index cef2726..9b6fd95 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -12,6 +12,8 @@
#include "tag.h"
#include "run-command.h"
#include "parse-options.h"
+#include "diff.h"
+#include "revision.h"
static const char * const git_tag_usage[] = {
"git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]",
@@ -40,6 +42,48 @@ static int match_pattern(const char **patterns, const char *ref)
return 0;
}
+static int in_commit_list(const struct commit_list *want, struct commit *c)
+{
+ for (; want; want = want->next)
+ if (!hashcmp(want->item->object.sha1, c->object.sha1))
+ return 1;
+ return 0;
+}
+
+static int contains_recurse(struct commit *candidate,
+ const struct commit_list *want)
+{
+ struct commit_list *p;
+
+ /* was it previously marked as containing a want commit? */
+ if (candidate->object.flags & TMP_MARK)
+ return 1;
+ /* or marked as not possibly containing a want commit? */
+ if (candidate->object.flags & UNINTERESTING)
+ return 0;
+ /* or are we it? */
+ if (in_commit_list(want, candidate))
+ return 1;
+
+ if (parse_commit(candidate) < 0)
+ return 0;
+
+ /* Otherwise recurse and mark ourselves for future traversals. */
+ for (p = candidate->parents; p; p = p->next) {
+ if (contains_recurse(p->item, want)) {
+ candidate->object.flags |= TMP_MARK;
+ return 1;
+ }
+ }
+ candidate->object.flags |= UNINTERESTING;
+ return 0;
+}
+
+static int contains(struct commit *candidate, const struct commit_list *want)
+{
+ return contains_recurse(candidate, want);
+}
+
static int show_reference(const char *refname, const unsigned char *sha1,
int flag, void *cb_data)
{
@@ -58,7 +102,7 @@ static int show_reference(const char *refname, const unsigned char *sha1,
commit = lookup_commit_reference_gently(sha1, 1);
if (!commit)
return 0;
- if (!is_descendant_of(commit, filter->with_commit))
+ if (!contains(commit, filter->with_commit))
return 0;
}
@@ -363,12 +407,12 @@ static int parse_msg_arg(const struct option *opt, const char *arg, int unset)
static int strbuf_check_tag_ref(struct strbuf *sb, const char *name)
{
if (name[0] == '-')
- return CHECK_REF_FORMAT_ERROR;
+ return -1;
strbuf_reset(sb);
strbuf_addf(sb, "refs/tags/%s", name);
- return check_ref_format(sb->buf);
+ return check_refname_format(sb->buf, 0);
}
int cmd_tag(int argc, const char **argv, const char *prefix)
@@ -385,21 +429,21 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
struct msg_arg msg = { 0, STRBUF_INIT };
struct commit_list *with_commit = NULL;
struct option options[] = {
- OPT_BOOLEAN('l', NULL, &list, "list tag names"),
+ OPT_BOOLEAN('l', "list", &list, "list tag names"),
{ OPTION_INTEGER, 'n', NULL, &lines, "n",
"print <n> lines of each tag message",
PARSE_OPT_OPTARG, NULL, 1 },
- OPT_BOOLEAN('d', NULL, &delete, "delete tags"),
- OPT_BOOLEAN('v', NULL, &verify, "verify tags"),
+ OPT_BOOLEAN('d', "delete", &delete, "delete tags"),
+ OPT_BOOLEAN('v', "verify", &verify, "verify tags"),
OPT_GROUP("Tag creation options"),
- OPT_BOOLEAN('a', NULL, &annotate,
+ OPT_BOOLEAN('a', "annotate", &annotate,
"annotated tag, needs a message"),
- OPT_CALLBACK('m', NULL, &msg, "message",
+ OPT_CALLBACK('m', "message", &msg, "message",
"tag message", parse_msg_arg),
- OPT_FILENAME('F', NULL, &msgfile, "read message from file"),
- OPT_BOOLEAN('s', NULL, &sign, "annotated and GPG-signed tag"),
- OPT_STRING('u', NULL, &keyid, "key-id",
+ OPT_FILENAME('F', "file", &msgfile, "read message from file"),
+ OPT_BOOLEAN('s', "sign", &sign, "annotated and GPG-signed tag"),
+ OPT_STRING('u', "local-user", &keyid, "key-id",
"use another key to sign the tag"),
OPT__FORCE(&force, "replace the tag if exists"),