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t6036: Add a second testcase similar to the first but with content changes

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c94736a (merge-recursive: don't segfault while handling rename clashes
2009-07-30) added t6036 with a testcase that involved dual renames and a
criss-cross merge.  Add a test that is nearly identical, but which also
involves content modification -- a case git currently does not merge
correctly.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Elijah Newren 2010-09-20 02:28:45 -06:00 committed by Junio C Hamano
parent c976260d0f
commit 583942df09
1 changed files with 76 additions and 0 deletions
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76
t/t6036-recursive-corner-cases.sh
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@ -70,4 +70,80 @@ test_expect_success 'merge simple rename+criss-cross with no modifications' '
test $(git rev-parse :1:three) = $(git hash-object merged)
'
#
# Same as before, but modify L1 slightly:
#
# L1m L2
# o---o
# / \ / \
# o X ?
# \ / \ /
# o---o
# R1 R2
#
test_expect_success 'setup criss-cross + rename merges with basic modification' '
git rm -rf . &&
git clean -fdqx &&
rm -rf .git &&
git init &&
ten="0 1 2 3 4 5 6 7 8 9"
for i in $ten
do
echo line $i in a sample file
done >one &&
for i in $ten
do
echo line $i in another sample file
done >two &&
git add one two &&
test_tick && git commit -m initial &&
git branch L1 &&
git checkout -b R1 &&
git mv one three &&
echo more >>two &&
git add two &&
test_tick && git commit -m R1 &&
git checkout L1 &&
git mv two three &&
test_tick && git commit -m L1 &&
git checkout L1^0 &&
test_tick && git merge -s ours R1 &&
git tag L2 &&
git checkout R1^0 &&
test_tick && git merge -s ours L1 &&
git tag R2
'
test_expect_failure 'merge criss-cross + rename merges with basic modification' '
git reset --hard &&
git checkout L2^0 &&
test_must_fail git merge -s recursive R2^0 &&
test 5 = $(git ls-files -s | wc -l) &&
test 3 = $(git ls-files -u | wc -l) &&
test 0 = $(git ls-files -o | wc -l) &&
test $(git rev-parse :0:one) = $(git rev-parse L2:one) &&
test $(git rev-parse :0:two) = $(git rev-parse R2:two) &&
test $(git rev-parse :2:three) = $(git rev-parse L2:three) &&
test $(git rev-parse :3:three) = $(git rev-parse R2:three) &&
head -n 10 two >merged &&
cp one merge-me &&
>empty &&
test_must_fail git merge-file \
-L "Temporary merge branch 2" \
-L "" \
-L "Temporary merge branch 1" \
merged empty merge-me &&
test $(git rev-parse :1:three) = $(git hash-object merged)
'
test_done