From: Namhyung Kim <namhyung.kim@xxxxxxx>
In its current form, when an user wants to filter specific ref using
--refs option, she needs to give something like --refs=refs/tags/v1.*.
It'd be convenient providing a way to specify a subpath of ref pattern.
For example, --refs=origin/* can find refs/remotes/origin/master by
searching the pattern against its substrings in turn:
refs/remotes/origin/master
remotes/origin/master
origin/master
If it finds a match in a subpath, unambigous part of the ref path will
be removed in the output.
Many thanks to Junio C. Hamano for suggesting better logic and code.
Signed-off-by: Namhyung Kim <namhyung.kim@xxxxxxx>
---
Documentation/git-name-rev.txt | 3 ++-
builtin/name-rev.c | 36 +++++++++++++++++++++++++++++-------
2 files changed, 31 insertions(+), 8 deletions(-)
diff --git a/Documentation/git-name-rev.txt b/Documentation/git-name-rev.txt
index ad1d146..6b0f1ba 100644
--- a/Documentation/git-name-rev.txt
+++ b/Documentation/git-name-rev.txt
@@ -25,7 +25,8 @@ OPTIONS
Do not use branch names, but only tags to name the commits
--refs=<pattern>::
- Only use refs whose names match a given shell pattern.
+ Only use refs whose names match a given shell pattern. The pattern
+ can be one of branch name, tag name or fully qualified ref name.
--all::
List all commits reachable from all refs
diff --git a/builtin/name-rev.c b/builtin/name-rev.c
index 6238247..87d4854 100644
--- a/builtin/name-rev.c
+++ b/builtin/name-rev.c
@@ -82,6 +82,20 @@ copy_data:
}
}
+static int subpath_matches(const char *path, const char *filter)
+{
+ const char *subpath = path;
+
+ while (subpath) {
+ if (!fnmatch(filter, subpath, 0))
+ return subpath - path;
+ subpath = strchr(subpath, '/');
+ if (subpath)
+ subpath++;
+ }
+ return -1;
+}
+
struct name_ref_data {
int tags_only;
int name_only;
@@ -92,13 +106,23 @@ static int name_ref(const char *path, const unsigned char *sha1, int flags, void
{
struct object *o = parse_object(sha1);
struct name_ref_data *data = cb_data;
+ int can_abbreviate_output = data->tags_only && data->name_only;
int deref = 0;
if (data->tags_only && prefixcmp(path, "refs/tags/"))
return 0;
- if (data->ref_filter && fnmatch(data->ref_filter, path, 0))
- return 0;
+ if (data->ref_filter) {
+ switch (subpath_matches(path, data->ref_filter)) {
+ case -1: /* did not match */
+ return 0;
+ case 0: /* matched fully */
+ break;
+ default: /* matched subpath */
+ can_abbreviate_output = 1;
+ break;
+ }
+ }
while (o && o->type == OBJ_TAG) {
struct tag *t = (struct tag *) o;
@@ -110,12 +134,10 @@ static int name_ref(const char *path, const unsigned char *sha1, int flags, void
if (o && o->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *)o;
- if (!prefixcmp(path, "refs/heads/"))
+ if (can_abbreviate_output)
+ path = shorten_unambiguous_ref(path, 0);
+ else if (!prefixcmp(path, "refs/heads/"))
path = path + 11;
- else if (data->tags_only
- && data->name_only
- && !prefixcmp(path, "refs/tags/"))
- path = path + 10;
else if (!prefixcmp(path, "refs/"))
path = path + 5;
--
1.7.11.7
--
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