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>

3 files changed, 4 insertions, 4 deletions

diff --git a/cgit.c b/cgit.c
index c86d290..1b85b15 100644
--- a/cgit.c
+++ b/cgit.c
@@ -104,13 +104,13 @@ static void cgit_print_repo_page(struct cacheitem *item)
                 cgit_print_commit(cgit_query_sha1);
                 break;
         case CMD_TAG:
                 cgit_print_tag(cgit_query_sha1);
                 break;
         case CMD_DIFF:
-                cgit_print_diff(cgit_query_sha1, cgit_query_sha2);
+                cgit_print_diff(cgit_query_sha1, cgit_query_sha2, cgit_query_path);
                 break;
         default:
                 cgit_print_error("Invalid request");
         }
         cgit_print_docend();
 }
diff --git a/cgit.h b/cgit.h
index 5ef0bc5..e96311f 100644
--- a/cgit.h
+++ b/cgit.h
@@ -235,13 +235,13 @@ extern void cgit_print_repolist(struct cacheitem *item);
 extern void cgit_print_summary();
 extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *path, int pager);
 extern void cgit_print_blob(struct cacheitem *item, const char *hex, char *path);
 extern void cgit_print_tree(const char *rev, char *path);
 extern void cgit_print_commit(char *hex);
 extern void cgit_print_tag(char *revname);
-extern void cgit_print_diff(const char *new_hex, const char *old_hex);
+extern void cgit_print_diff(const char *new_hex, const char *old_hex, const char *prefix);
 extern void cgit_print_snapshot(struct cacheitem *item, const char *head,
                                 const char *hex, const char *prefix,
                                 const char *filename, int snapshot);
 extern void cgit_print_snapshot_links(const char *repo, const char *head,
                                       const char *hex, int snapshots);
 extern int cgit_parse_snapshots_mask(const char *str);
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>");
 }