X-Git-Url: https://git.cameronkatri.com/cgit.git/blobdiff_plain/85793b8181aa93ef6070f137fcb3caee624849b6..b31e99887b17f513289fb11227b2484504e85b6c:/ui-patch.c

diff --git a/ui-patch.c b/ui-patch.c
index fd6316b..8007a11 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -18,9 +18,13 @@ void cgit_print_patch(const char *new_rev, const char *old_rev,
 	struct commit *commit;
 	struct object_id new_rev_oid, old_rev_oid;
 	char rev_range[2 * 40 + 3];
-	char *rev_argv[] = { NULL, "--reverse", "--format=email", rev_range };
+	const char *rev_argv[] = { NULL, "--reverse", "--format=email", rev_range, "--", prefix, NULL };
+	int rev_argc = ARRAY_SIZE(rev_argv) - 1;
 	char *patchname;
 
+	if (!prefix)
+		rev_argc--;
+
 	if (!new_rev)
 		new_rev = ctx.qry.head;
 
@@ -29,7 +33,7 @@ void cgit_print_patch(const char *new_rev, const char *old_rev,
 				"Bad object id: %s", new_rev);
 		return;
 	}
-	commit = lookup_commit_reference(new_rev_oid.hash);
+	commit = lookup_commit_reference(&new_rev_oid);
 	if (!commit) {
 		cgit_print_error_page(404, "Not found",
 				"Bad commit reference: %s", new_rev);
@@ -42,7 +46,7 @@ void cgit_print_patch(const char *new_rev, const char *old_rev,
 					"Bad object id: %s", old_rev);
 			return;
 		}
-		if (!lookup_commit_reference(old_rev_oid.hash)) {
+		if (!lookup_commit_reference(&old_rev_oid)) {
 			cgit_print_error_page(404, "Not found",
 					"Bad commit reference: %s", old_rev);
 			return;
@@ -79,14 +83,13 @@ void cgit_print_patch(const char *new_rev, const char *old_rev,
 	rev.max_parents = 1;
 	rev.diffopt.output_format |= DIFF_FORMAT_DIFFSTAT |
 			DIFF_FORMAT_PATCH | DIFF_FORMAT_SUMMARY;
-	setup_revisions(ARRAY_SIZE(rev_argv), (const char **)rev_argv, &rev,
-			NULL);
+	if (prefix)
+		rev.diffopt.stat_sep = fmt("(limited to '%s')\n\n", prefix);
+	setup_revisions(rev_argc, rev_argv, &rev, NULL);
 	prepare_revision_walk(&rev);
 
 	while ((commit = get_revision(&rev)) != NULL) {
 		log_tree_commit(&rev, commit);
 		printf("-- \ncgit %s\n\n", cgit_version);
 	}
-
-	fflush(stdout);
 }