1 files changed, 26 insertions, 16 deletions

diff --git a/ui-diff.c b/ui-diff.c
index ba0030f..ac9a3fa 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -11,2 +11,5 @@
 
+unsigned char old_rev_sha1[20];
+unsigned char new_rev_sha1[20];
+
 /*
@@ -69,5 +72,13 @@ static void header(unsigned char *sha1, char *path1, int mode1,
                 html("<br/>--- a/");
-                html_txt(path1);
+                if (mode1 != 0)
+                        cgit_tree_link(path1, NULL, NULL, cgit_query_head,
+                                       sha1_to_hex(old_rev_sha1), path1);
+                else
+                        html_txt(path1);
                 html("<br/>+++ b/");
-                html_txt(path2);
+                if (mode2 != 0)
+                        cgit_tree_link(path2, NULL, NULL, cgit_query_head,
+                                       sha1_to_hex(new_rev_sha1), path2);
+                else
+                        html_txt(path2);
         }
@@ -93,3 +104,2 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
 {
-        unsigned char sha1[20], sha2[20];
         enum object_type type;
@@ -100,4 +110,4 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
                 new_rev = cgit_query_head;
-        get_sha1(new_rev, sha1);
-        type = sha1_object_info(sha1, &size);
+        get_sha1(new_rev, new_rev_sha1);
+        type = sha1_object_info(new_rev_sha1, &size);
         if (type == OBJ_BAD) {
@@ -112,22 +122,22 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
 
-        commit = lookup_commit_reference(sha1);
+        commit = lookup_commit_reference(new_rev_sha1);
         if (!commit || parse_commit(commit))
-                cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha1)));
+                cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(new_rev_sha1)));
 
         if (old_rev)
-                get_sha1(old_rev, sha2);
+                get_sha1(old_rev, old_rev_sha1);
         else if (commit->parents && commit->parents->item)
-                hashcpy(sha2, commit->parents->item->object.sha1);
+                hashcpy(old_rev_sha1, commit->parents->item->object.sha1);
         else
-                hashclr(sha2);
+                hashclr(old_rev_sha1);
 
-        if (!is_null_sha1(sha2)) {
-                type = sha1_object_info(sha2, &size);
+        if (!is_null_sha1(old_rev_sha1)) {
+                type = sha1_object_info(old_rev_sha1, &size);
                 if (type == OBJ_BAD) {
-                        cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(sha2)));
+                        cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(old_rev_sha1)));
                         return;
                 }
-                commit2 = lookup_commit_reference(sha2);
+                commit2 = lookup_commit_reference(old_rev_sha1);
                 if (!commit2 || parse_commit(commit2))
-                        cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha2)));
+                        cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1)));
         }
@@ -135,3 +145,3 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
         html("<tr><td>");
-        cgit_diff_tree(sha2, sha1, filepair_cb, prefix);
+        cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix);
         html("</td></tr>");