git/t/t4022-diff-rewrite.sh

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#!/bin/sh
test_description='rewrite diff'
. ./test-lib.sh
test_expect_success setup '
cat ../../COPYING >test &&
git add test &&
tr \
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" \
"nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM" \
<../../COPYING >test
'
test_expect_success 'detect rewrite' '
actual=$(git diff-files -B --summary test) &&
expr "$actual" : " rewrite test ([0-9]*%)$" || {
echo "Eh? <<$actual>>"
false
}
'
test_done