Add prefix parameter to cgit_print_diff()

This allows a diff to be restricted to the path prefix specified in the url.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/ui-diff.c b/ui-diff.c
index 11a2ff8..ba0030f 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -80,25 +80,25 @@ static void filepair_cb(struct diff_filepair *pair)
 	       pair->two->sha1, pair->two->path, pair->two->mode);
 	if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
 		if (S_ISGITLINK(pair->one->mode))
 			print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
 		if (S_ISGITLINK(pair->two->mode))
 			print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
 		return;
 	}
 	if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line))
 		cgit_print_error("Error running diff");
 }
 
-void cgit_print_diff(const char *new_rev, const char *old_rev)
+void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix)
 {
 	unsigned char sha1[20], sha2[20];
 	enum object_type type;
 	unsigned long size;
 	struct commit *commit, *commit2;
 
 	if (!new_rev)
 		new_rev = cgit_query_head;
 	get_sha1(new_rev, sha1);
 	type = sha1_object_info(sha1, &size);
 	if (type == OBJ_BAD) {
 		cgit_print_error(fmt("Bad object name: %s", new_rev));
@@ -124,16 +124,16 @@ void cgit_print_diff(const char *new_rev, const char *old_rev)
 	if (!is_null_sha1(sha2)) {
 		type = sha1_object_info(sha2, &size);
 		if (type == OBJ_BAD) {
 			cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(sha2)));
 			return;
 		}
 		commit2 = lookup_commit_reference(sha2);
 		if (!commit2 || parse_commit(commit2))
 			cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha2)));
 	}
 	html("<table class='diff'>");
 	html("<tr><td>");
-	cgit_diff_tree(sha2, sha1, filepair_cb, NULL);
+	cgit_diff_tree(sha2, sha1, filepair_cb, prefix);
 	html("</td></tr>");
 	html("</table>");
 }