summaryrefslogtreecommitdiff
path: root/sha1_name.c
diff options
context:
space:
mode:
authorNguyễn Thái Ngọc Duy <pclouds@gmail.com>2010-12-13 10:01:15 +0700
committerJunio C Hamano <gitster@pobox.com>2010-12-14 16:50:45 -0800
commit32574b68c57f3b34e58216a4c9c6d570d11ec47b (patch)
treeecadd84fa1d6fe7e15c77969b32257a7baf26de2 /sha1_name.c
parent84baa31bcb6925b06dd1b9aaa1ed6f7a725e64cc (diff)
downloadgit-32574b68c57f3b34e58216a4c9c6d570d11ec47b.tar.gz
get_sha1: support $commit^{/regex} syntax
This works like ":/regex" syntax that finds a recently created commit starting from all refs, but limits the discovery to those reachable from the named commit. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'sha1_name.c')
-rw-r--r--sha1_name.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/sha1_name.c b/sha1_name.c
index aefae1f524..1ba4bc3b68 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -7,6 +7,8 @@
#include "refs.h"
#include "remote.h"
+static int get_sha1_oneline(const char *, unsigned char *, struct commit_list *);
+
static int find_short_object_filename(int len, const char *name, unsigned char *sha1)
{
struct alternate_object_database *alt;
@@ -562,6 +564,8 @@ static int peel_onion(const char *name, int len, unsigned char *sha1)
expected_type = OBJ_BLOB;
else if (sp[0] == '}')
expected_type = OBJ_NONE;
+ else if (sp[0] == '/')
+ expected_type = OBJ_COMMIT;
else
return -1;
@@ -576,19 +580,30 @@ static int peel_onion(const char *name, int len, unsigned char *sha1)
if (!o || (!o->parsed && !parse_object(o->sha1)))
return -1;
hashcpy(sha1, o->sha1);
+ return 0;
}
- else {
- /*
- * At this point, the syntax look correct, so
- * if we do not get the needed object, we should
- * barf.
- */
- o = peel_to_type(name, len, o, expected_type);
- if (o) {
- hashcpy(sha1, o->sha1);
- return 0;
- }
+
+ /*
+ * At this point, the syntax look correct, so
+ * if we do not get the needed object, we should
+ * barf.
+ */
+ o = peel_to_type(name, len, o, expected_type);
+ if (!o)
return -1;
+
+ hashcpy(sha1, o->sha1);
+ if (sp[0] == '/') {
+ /* "$commit^{/foo}" */
+ char *prefix;
+ int ret;
+ struct commit_list *list = NULL;
+
+ prefix = xstrndup(sp + 1, name + len - 1 - (sp + 1));
+ commit_list_insert((struct commit *)o, &list);
+ ret = get_sha1_oneline(prefix, sha1, list);
+ free(prefix);
+ return ret;
}
return 0;
}