Add prefix parameter to cgit_diff_tree()

This paramter can be used to restrict a diff to the specified path prefix.

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

1 files changed, 1 insertions, 2 deletions

diff --git a/ui-diff.c b/ui-diff.c
index 0be845f..11a2ff8 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -102,39 +102,38 @@ void cgit_print_diff(const char *new_rev, const char *old_rev)
         type = sha1_object_info(sha1, &size);
         if (type == OBJ_BAD) {
                 cgit_print_error(fmt("Bad object name: %s", new_rev));
                 return;
         }
         if (type != OBJ_COMMIT) {
                 cgit_print_error(fmt("Unhandled object type: %s",
                                      typename(type)));
                 return;
         }
 
         commit = lookup_commit_reference(sha1);
         if (!commit || parse_commit(commit))
                 cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha1)));
 
         if (old_rev)
                 get_sha1(old_rev, sha2);
         else if (commit->parents && commit->parents->item)
                 hashcpy(sha2, commit->parents->item->object.sha1);
         else
                 hashclr(sha2);
 
         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);
+        cgit_diff_tree(sha2, sha1, filepair_cb, NULL);
         html("</td></tr>");
         html("</table>");
 }