optimize diffcore-delta by sorting hash entries.

diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 497903a85a69288afc291ff49e32f7c80140beae..8d78b69c902a99738cfc337222ba71493ff45370 100644 (file)
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -321,6 +321,13 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                        }
                        if (!strcmp(arg, "--show-cdup")) {
                                const char *pfx = prefix;
+                               if (!is_inside_work_tree()) {
+                                       const char *work_tree =
+                                               get_git_work_tree();
+                                       if (work_tree)
+                                               printf("%s\n", work_tree);
+                                       continue;
+                               }
                                while (pfx) {
                                        pfx = strchr(pfx, '/');
                                        if (pfx) {