From 6299d8c655e2fd99f7bf76cd49b79d427c4a9ed9 Mon Sep 17 00:00:00 2001
From: Daniel Lenski <dlenski@gmail.com>
Date: Fri, 6 Nov 2020 19:27:38 -0800
Subject: [PATCH] use git-check-attr to skip files marked +binary or -text

ping #22
---
 pre-commit.careful | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pre-commit.careful b/pre-commit.careful
index e9f4a5e..111ca0e 100755
--- a/pre-commit.careful
+++ b/pre-commit.careful
@@ -10,6 +10,9 @@ while read -d '' _ MODE _ SHA1 _ && read -d '' FILE
 do
     if [ "$MODE" == 120000 ]; then
         true # ignore symlinks
+    elif git check-attr -a -- "$FILE" | grep -Eq ': (binary: set|text: unset)$'; then
+         # ignore files marked as binary or non-text; see gitattributes(5) and git-check-attr(1)
+        echo "No whitespace checking for file '$FILE'; marked +binary or -text"
     elif ! ( git cat-file blob $SHA1 | wtf $wtf_options > $tmp ); then
         if [ -s $tmp ]; then
             git update-index --cacheinfo $MODE $(git hash-object -w $tmp) "$FILE"