X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/e9a7042b5b44c6af2c7dc91eabed732d92278218..d529c6fbdca7ce3782e75b3a74baad21ef2f92c3:/ui-log.c

diff --git a/ui-log.c b/ui-log.c
index 746f40b..d212984 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -64,18 +64,31 @@ void print_commit(struct commit *commit)
 	cgit_free_commitinfo(info);
 }
 
+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;
+}
 
 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
 		    char *path, int pager)
 {
 	struct rev_info rev;
 	struct commit *commit;
-	const char *argv[] = {NULL, tip, NULL, NULL, NULL};
+	const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
 	int argc = 2;
 	int i, columns = 3;
 
 	if (!tip)
-		argv[1] = ctx.qry.head;
+		tip = ctx.qry.head;
+
+	argv[1] = disambiguate_ref(tip);
 
 	if (grep && pattern && (!strcmp(grep, "grep") ||
 				!strcmp(grep, "author") ||
@@ -92,10 +105,8 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 	rev.verbose_header = 1;
 	rev.show_root_diff = 0;
 	setup_revisions(argc, argv, &rev, NULL);
-	if (rev.grep_filter) {
-		rev.grep_filter->regflags |= REG_ICASE;
-		compile_grep_patterns(rev.grep_filter);
-	}
+	rev.grep_filter.regflags |= REG_ICASE;
+	compile_grep_patterns(&rev.grep_filter);
 	prepare_revision_walk(&rev);
 
 	if (pager)