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
@@ -86,13 +86,13 @@ static void filepair_cb(struct diff_filepair *pair)
 		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;
 
@@ -130,10 +130,10 @@ void cgit_print_diff(const char *new_rev, const char *old_rev)
 		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>");
 }