Document git-svn's first-parent rule

diff --git a/tree-diff.c b/tree-diff.c
index edd83949bf0896bedff4cab8e2b037eba574a45e..0459e54d3d89a413330f52ab34662f51924b04ea 100644 (file)
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -239,6 +239,12 @@ static void show_entry(struct diff_options *opt, const char *prefix, struct tree
                if (!tree || type != OBJ_TREE)
                        die("corrupt tree sha %s", sha1_to_hex(sha1));
 
+               if (DIFF_OPT_TST(opt, TREE_IN_RECURSIVE)) {
+                       newbase[baselen + pathlen] = 0;
+                       opt->add_remove(opt, *prefix, mode, sha1, newbase);
+                       newbase[baselen + pathlen] = '/';
+               }
+
                init_tree_desc(&inner, tree, size);
                show_tree(opt, prefix, &inner, newbase, baselen + 1 + pathlen);