describe: setup working tree for --dirty

diff --git a/builtin/describe.c b/builtin/describe.c
index cf1ae77d7c705cdfb34bdb5403bad8db4148eccf..d281dff2b346dc7a0f2f3a69247cf683a859fb6c 100644 (file)
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -617,6 +617,7 @@ int cmd_describe(int argc, const char **argv, const char *prefix)
                        struct argv_array args = ARGV_ARRAY_INIT;
                        int fd, result;
 
+                       setup_work_tree();
                        read_cache_preload(NULL);
                        refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED,
                                      NULL, NULL, NULL);