truncate cwd string before printing error message

Without this truncation the error message printed only shows the cwd
from the start of the search, not where it failed.

Signed-off-by: Lars R. Damerow <lars@pixar.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/setup.c b/setup.c
index 5716d90b57574d045114f4aaad1bdf36fd79ed89..f0b56b9f545433d60644cf34d11eab798fee3a20 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -422,8 +422,10 @@ const char *setup_git_directory_gently(int *nongit_ok)
                        }
                        die("Not a git repository (or any of the parent directories): %s", DEFAULT_GIT_DIR_ENVIRONMENT);
                }
-               if (chdir(".."))
+               if (chdir("..")) {
+                       cwd[offset] = '\0';
                        die_errno("Cannot change to '%s/..'", cwd);
+               }
        }
 
        inside_git_dir = 0;