Merge pull request #1254 from igankevich/master

Add GIT_SSL_CAINFO environment variable to whitelist.

pre_commit/git.py

@@ -32,7 +32,7 @@ def no_git_env(_env=None):
     return {
         k: v for k, v in _env.items()
         if not k.startswith('GIT_') or
-        k in {'GIT_EXEC_PATH', 'GIT_SSH', 'GIT_SSH_COMMAND'}
+        k in {'GIT_EXEC_PATH', 'GIT_SSH', 'GIT_SSH_COMMAND', 'GIT_SSL_CAINFO'}
     }