[PATCH] Prepare diffcore interface for diff-tree header supression.

[git.git] / diff-tree.c

diff --git a/diff-tree.c b/diff-tree.c
index 6818648..e8bad72 100644 (file)
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -267,16 +267,28 @@ static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, co
        return retval;
 }
 
+static void call_diff_setup(void)
+{
+       diff_setup(reverse_diff, (generate_patch ? -1 : line_termination));
+}
+
+static void call_diff_flush(void)
+{
+       if (detect_rename)
+               diff_detect_rename(detect_rename, diff_score_opt);
+       if (pickaxe)
+               diff_pickaxe(pickaxe);
+       diff_flush(NULL, 0);
+}
+
 static int diff_tree_sha1_top(const unsigned char *old,
                              const unsigned char *new, const char *base)
 {
        int ret;
 
-       diff_setup(detect_rename, diff_score_opt, pickaxe,
-                  reverse_diff, (generate_patch ? -1 : line_termination),
-                  NULL, 0);
+       call_diff_setup();
        ret = diff_tree_sha1(old, new, base);
-       diff_flush();
+       call_diff_flush();
        return ret;
 }
 
@@ -286,15 +298,13 @@ static int diff_root_tree(const unsigned char *new, const char *base)
        void *tree;
        unsigned long size;
 
-       diff_setup(detect_rename, diff_score_opt, pickaxe,
-                  reverse_diff, (generate_patch ? -1 : line_termination),
-                  NULL, 0);
+       call_diff_setup();
        tree = read_object_with_reference(new, "tree", &size, NULL);
        if (!tree)
                die("unable to read root tree (%s)", sha1_to_hex(new));
        retval = diff_tree("", 0, tree, size, base);
        free(tree);
-       diff_flush();
+       call_diff_flush();
        return retval;
 }