git/t/t4126-apply-empty.sh
Junio C Hamano d88593fa04 t4126: fix test that happened to work due to timing
The test did "reset --hard" (where the HEAD commit has an empty
blob at path "empty") followed by "> empty", expecting that
the index does not notice the file _changed_ since git wrote
it out upon "reset" if the redirection is done quickly enough.

There was no need to do the emptying, and it gave a wrong result
if "reset --hard" happened on time T and then ">empty" happened on
the next second T+1.  This fixes it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-06-13 22:07:34 -07:00

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#!/bin/sh
test_description='apply empty'
. ./test-lib.sh
test_expect_success setup '
>empty &&
git add empty &&
test_tick &&
git commit -m initial &&
for i in a b c d e
do
echo $i
done >empty &&
cat empty >expect &&
git diff |
sed -e "/^diff --git/d" \
-e "/^index /d" \
-e "s|a/empty|empty.orig|" \
-e "s|b/empty|empty|" >patch0 &&
sed -e "s|empty|missing|" patch0 >patch1 &&
>empty &&
git update-index --refresh
'
test_expect_success 'apply empty' '
git reset --hard &&
rm -f missing &&
git apply patch0 &&
test_cmp expect empty
'
test_expect_success 'apply --index empty' '
git reset --hard &&
rm -f missing &&
git apply --index patch0 &&
test_cmp expect empty &&
git diff --exit-code
'
test_expect_success 'apply create' '
git reset --hard &&
rm -f missing &&
git apply patch1 &&
test_cmp expect missing
'
test_expect_success 'apply --index create' '
git reset --hard &&
rm -f missing &&
git apply --index patch1 &&
test_cmp expect missing &&
git diff --exit-code
'
test_done