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Diffstat (limited to 'builtin/tag.c')
-rw-r--r--builtin/tag.c72
1 files changed, 62 insertions, 10 deletions
diff --git a/builtin/tag.c b/builtin/tag.c
index e311911..9d89616 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -12,11 +12,13 @@
#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>]",
"git tag -d <tagname>...",
- "git tag -l [-n[<num>]] [<pattern>]",
+ "git tag -l [-n[<num>]] [<pattern>...]",
"git tag -v <tagname>...",
NULL
};
@@ -24,17 +26,70 @@ static const char * const git_tag_usage[] = {
static char signingkey[1000];
struct tag_filter {
- const char *pattern;
+ const char **patterns;
int lines;
struct commit_list *with_commit;
};
+static int match_pattern(const char **patterns, const char *ref)
+{
+ /* no pattern means match everything */
+ if (!*patterns)
+ return 1;
+ for (; *patterns; patterns++)
+ if (!fnmatch(*patterns, ref, 0))
+ return 1;
+ 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)
{
struct tag_filter *filter = cb_data;
- if (!fnmatch(filter->pattern, refname, 0)) {
+ if (match_pattern(filter->patterns, refname)) {
int i;
unsigned long size;
enum object_type type;
@@ -47,7 +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;
}
@@ -88,15 +143,12 @@ static int show_reference(const char *refname, const unsigned char *sha1,
return 0;
}
-static int list_tags(const char *pattern, int lines,
+static int list_tags(const char **patterns, int lines,
struct commit_list *with_commit)
{
struct tag_filter filter;
- if (pattern == NULL)
- pattern = "*";
-
- filter.pattern = pattern;
+ filter.patterns = patterns;
filter.lines = lines;
filter.with_commit = with_commit;
@@ -425,7 +477,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
if (list + delete + verify > 1)
usage_with_options(git_tag_usage, options);
if (list)
- return list_tags(argv[0], lines == -1 ? 0 : lines,
+ return list_tags(argv, lines == -1 ? 0 : lines,
with_commit);
if (lines != -1)
die(_("-n option is only allowed with -l."));