From f7cad3351856e49f96a44d8e96deea2451026052 Mon Sep 17 00:00:00 2001
From: Matthew Hughes <matthewhughes934@gmail.com>
Date: Tue, 23 Feb 2021 21:36:41 +0000
Subject: [PATCH] Use exclusion syntax for git diff filtering

Since git 1.8.5 [1], '--diff-filter' can take lowercase args to mean
"show everything but these classes". Use this to exclude deleted files
rather than specify every other class.

[1] https://git.kernel.org/pub/scm/git/git.git/tree/Documentation/RelNotes/1.8.5.txt#n186
---
 pre_commit/git.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pre_commit/git.py b/pre_commit/git.py
index bec816c9..f11ff842 100644
--- a/pre_commit/git.py
+++ b/pre_commit/git.py
@@ -127,8 +127,7 @@ def get_staged_files(cwd: Optional[str] = None) -> List[str]:
     return zsplit(
         cmd_output(
             'git', 'diff', '--staged', '--name-only', '--no-ext-diff', '-z',
-            # Everything except for D
-            '--diff-filter=ACMRTUXB',
+            '--diff-filter=d',
             cwd=cwd,
         )[1],
     )