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
@@ -88,9 +88,9 @@ static void filepair_cb(struct diff_filepair *pair)
         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;
@@ -132,8 +132,8 @@ void cgit_print_diff(const char *new_rev, const char *old_rev)
                         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>");
 }