1 files changed, 4 insertions, 1 deletions
diff --git a/git-fat b/git-fat
index ae11dad..4a95d9e 100755
--- a/git-fat
+++ b/git-fat
@@ -122,7 +122,10 @@ class GitFat(object):
     DecodeError = RuntimeError
     def __init__(self):
         self.verbose = verbose_stderr if os.environ.get('GIT_FAT_VERBOSE') else verbose_ignore
-        self.gitroot = subprocess.check_output('git rev-parse --show-toplevel'.split()).strip()
+        try:
+            self.gitroot = subprocess.check_output('git rev-parse --show-toplevel'.split()).strip()
+        except subprocess.CalledProcessError:
+            sys.exit(1)
         self.gitdir = subprocess.check_output('git rev-parse --git-dir'.split()).strip()
         self.objdir = os.path.join(self.gitdir, 'fat', 'objects')
         if os.environ.get('GIT_FAT_VERSION') == '1':