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git/t/t4039-diff-assume-unchanged.sh
Ævar Arnfjörð Bjarmason d3c6751b18 tests: make use of the test_must_be_empty function
Change various tests that use an idiom of the form:

    >expect &&
    test_cmp expect actual

To instead use:

    test_must_be_empty actual

The test_must_be_empty() wrapper was introduced in ca8d148daf ("test:
test_must_be_empty helper", 2013-06-09). Many of these tests have been
added after that time. This was mostly found with, and manually pruned
from:

    git grep '^\s+>.*expect.* &&$' t

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-30 11:18:41 -07:00

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#!/bin/sh
test_description='diff with assume-unchanged entries'
. ./test-lib.sh
# external diff has been tested in t4020-diff-external.sh
test_expect_success 'setup' '
echo zero > zero &&
git add zero &&
git commit -m zero &&
echo one > one &&
echo two > two &&
git add one two &&
git commit -m onetwo &&
git update-index --assume-unchanged one &&
echo borked >> one &&
test "$(git ls-files -v one)" = "h one"
'
test_expect_success 'diff-index does not examine assume-unchanged entries' '
git diff-index HEAD^ -- one | grep -q 5626abf0f72e58d7a153368ba57db4c673c0e171
'
test_expect_success 'diff-files does not examine assume-unchanged entries' '
rm one &&
test -z "$(git diff-files -- one)"
'
test_expect_success POSIXPERM 'find-copies-harder is not confused by mode bits' '
echo content >exec &&
chmod +x exec &&
git add exec &&
git commit -m exec &&
git update-index --assume-unchanged exec &&
git diff-files --find-copies-harder -- exec >actual &&
test_must_be_empty actual
'
test_done