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-rwxr-xr-xt/t4022-diff-rewrite.sh5
1 files changed, 4 insertions, 1 deletions
diff --git a/t/t4022-diff-rewrite.sh b/t/t4022-diff-rewrite.sh
index 6de4acbd44..bf996fc414 100755
--- a/t/t4022-diff-rewrite.sh
+++ b/t/t4022-diff-rewrite.sh
@@ -8,7 +8,10 @@ test_expect_success setup '
cat ../../COPYING >test &&
git add test &&
- tr 'a-zA-Z' 'n-za-mN-ZA-M' <../../COPYING >test
+ tr \
+ "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" \
+ "nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM" \
+ <../../COPYING >test
'