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t6022: New tests checking for unnecessary updates of files

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This testcase was part of en/merge-recursive that was reverted in 6db4105
(Revert "Merge branch 'en/merge-recursive'" 2011-05-19).  While the other
changes in that series caused unfortunate breakage, this testcase is still
useful; reinstate it.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Elijah Newren 2011-08-11 23:19:47 -06:00 committed by Junio C Hamano
parent 5b5261baab
commit f1a0f457b3
1 changed files with 63 additions and 0 deletions
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63
t/t6022-merge-rename.sh
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@ -610,4 +610,67 @@ test_expect_success 'check handling of differently renamed file with D/F conflic
! test -f original ! test -f original
' '
test_expect_success 'setup avoid unnecessary update, normal rename' '
git reset --hard &&
git checkout --orphan avoid-unnecessary-update-1 &&
git rm -rf . &&
git clean -fdqx &&
printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" >original &&
git add -A &&
git commit -m "Common commmit" &&
git mv original rename &&
echo 11 >>rename &&
git add -u &&
git commit -m "Renamed and modified" &&
git checkout -b merge-branch-1 HEAD~1 &&
echo "random content" >random-file &&
git add -A &&
git commit -m "Random, unrelated changes"
'
test_expect_failure 'avoid unnecessary update, normal rename' '
git checkout -q avoid-unnecessary-update-1^0 &&
test-chmtime =1000000000 rename &&
test-chmtime -v +0 rename >expect &&
git merge merge-branch-1 &&
test-chmtime -v +0 rename >actual &&
test_cmp expect actual # "rename" should have stayed intact
'
test_expect_success 'setup to test avoiding unnecessary update, with D/F conflict' '
git reset --hard &&
git checkout --orphan avoid-unnecessary-update-2 &&
git rm -rf . &&
git clean -fdqx &&
mkdir df &&
printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" >df/file &&
git add -A &&
git commit -m "Common commmit" &&
git mv df/file temp &&
rm -rf df &&
git mv temp df &&
echo 11 >>df &&
git add -u &&
git commit -m "Renamed and modified" &&
git checkout -b merge-branch-2 HEAD~1 &&
>unrelated-change &&
git add unrelated-change &&
git commit -m "Only unrelated changes"
'
test_expect_failure 'avoid unnecessary update, with D/F conflict' '
git checkout -q avoid-unnecessary-update-2^0 &&
test-chmtime =1000000000 df &&
test-chmtime -v +0 df >expect &&
git merge merge-branch-2 &&
test-chmtime -v +0 df >actual &&
test_cmp expect actual # "df" should have stayed intact
'
test_done test_done