filter-branch: introduce convenience function "skip_commit"

diff --git a/builtin-diff-tree.c b/builtin-diff-tree.c
index 24cb2d7f84064d7833fa04f33aeca6eafc8b931d..0b591c87169ff4b8c2173bedb26d6ed1a8a84b68 100644 (file)
--- a/builtin-diff-tree.c
+++ b/builtin-diff-tree.c
@@ -118,7 +118,8 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
        }
 
        if (!read_stdin)
-               return 0;
+               return opt->diffopt.exit_with_status ?
+                   opt->diffopt.has_changes: 0;
 
        if (opt->diffopt.detect_rename)
                opt->diffopt.setup |= (DIFF_SETUP_USE_SIZE_CACHE |
@@ -133,5 +134,5 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
                else
                        diff_tree_stdin(line);
        }
-       return 0;
+       return opt->diffopt.exit_with_status ? opt->diffopt.has_changes: 0;
 }