1 files changed, 15 insertions, 2 deletions

diff --git a/ui-log.c b/ui-log.c
index 8dd8b89..d212984 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -66,2 +66,13 @@ void print_commit(struct commit *commit)
 
+static const char *disambiguate_ref(const char *ref)
+{
+        unsigned char sha1[20];
+        const char *longref;
+
+        longref = fmt("refs/heads/%s", ref);
+        if (get_sha1(longref, sha1) == 0)
+                return longref;
+
+        return ref;
+}
 
@@ -72,3 +83,3 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
         struct commit *commit;
-        const char *argv[] = {NULL, tip, NULL, NULL, NULL};
+        const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
         int argc = 2;
@@ -77,3 +88,5 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
         if (!tip)
-                argv[1] = ctx.qry.head;
+                tip = ctx.qry.head;
+
+        argv[1] = disambiguate_ref(tip);