diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 5b57e894..e797b0c8 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -29,7 +29,7 @@ jobs:
     name_postfix: _latest_git
     pre_test:
     - task: UseRubyVersion@0
-    - template: step--git-install.yml
+    - template: step--git-install.yml@asottile
     - bash: |
         testing/get-swift.sh
         echo '##vso[task.prependpath]/tmp/swift/usr/bin'
diff --git a/pre_commit/main.py b/pre_commit/main.py
index 772c69cb..686ddc4c 100644
--- a/pre_commit/main.py
+++ b/pre_commit/main.py
@@ -129,7 +129,7 @@ def _adjust_args_and_chdir(args):
             'directory?',
         )
     else:
-        if toplevel == '':
+        if toplevel == '':  # pragma: no cover (old git)
             raise FatalError(
                 'git toplevel unexpectedly empty! make sure you are not '
                 'inside the `.git` directory of your repository.',