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|
#!/bin/sh
test_description='Test merge without common ancestors'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
# This scenario is based on a real-world repository of Shawn Pearce.
# 1 - A - D - F
# \ X /
# B X
# X \
# 2 - C - E - G
GIT_COMMITTER_DATE="2006-12-12 23:28:00 +0100"
export GIT_COMMITTER_DATE
test_expect_success 'setup tests' '
GIT_TEST_COMMIT_GRAPH=0 &&
export GIT_TEST_COMMIT_GRAPH &&
echo 1 >a1 &&
git add a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:00" git commit -m 1 a1 &&
git checkout -b A main &&
echo A >a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:01" git commit -m A a1 &&
git checkout -b B main &&
echo B >a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:02" git commit -m B a1 &&
git checkout -b D A &&
git rev-parse B >.git/MERGE_HEAD &&
echo D >a1 &&
git update-index a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:03" git commit -m D &&
git symbolic-ref HEAD refs/heads/other &&
echo 2 >a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:04" git commit -m 2 a1 &&
git checkout -b C &&
echo C >a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:05" git commit -m C a1 &&
git checkout -b E C &&
git rev-parse B >.git/MERGE_HEAD &&
echo E >a1 &&
git update-index a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:06" git commit -m E &&
git checkout -b G E &&
git rev-parse A >.git/MERGE_HEAD &&
echo G >a1 &&
git update-index a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:07" git commit -m G &&
git checkout -b F D &&
git rev-parse C >.git/MERGE_HEAD &&
echo F >a1 &&
git update-index a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:08" git commit -m F &&
test_oid_cache <<-EOF
idxstage1 sha1:ec3fe2a791706733f2d8fa7ad45d9a9672031f5e
idxstage1 sha256:b3c8488929903aaebdeb22270cb6d36e5b8724b01ae0d4da24632f158c99676f
EOF
'
test_expect_success 'combined merge conflicts' '
test_must_fail git merge -m final G
'
test_expect_success 'result contains a conflict' '
cat >expect <<-\EOF &&
<<<<<<< HEAD
F
=======
G
>>>>>>> G
EOF
test_cmp expect a1
'
test_expect_success 'virtual trees were processed' '
# TODO: fragile test, relies on ambigious merge-base resolution
git ls-files --stage >out &&
cat >expect <<-EOF &&
100644 $(test_oid idxstage1) 1 a1
100644 $(git rev-parse F:a1) 2 a1
100644 $(git rev-parse G:a1) 3 a1
EOF
test_cmp expect out
'
test_expect_success 'refuse to merge binary files' '
git reset --hard &&
printf "\0" >binary-file &&
git add binary-file &&
git commit -m binary &&
git checkout G &&
printf "\0\0" >binary-file &&
git add binary-file &&
git commit -m binary2 &&
if test "$GIT_TEST_MERGE_ALGORITHM" = ort
then
test_must_fail git merge F >merge_output
else
test_must_fail git merge F 2>merge_output
fi &&
grep "Cannot merge binary files: binary-file (HEAD vs. F)" merge_output
'
test_expect_success 'mark rename/delete as unmerged' '
git reset --hard &&
git checkout -b delete &&
git rm a1 &&
test_tick &&
git commit -m delete &&
git checkout -b rename HEAD^ &&
git mv a1 a2 &&
test_tick &&
git commit -m rename &&
test_must_fail git merge delete &&
if test "$GIT_TEST_MERGE_ALGORITHM" = ort
then
test 2 = $(git ls-files --unmerged | wc -l)
else
test 1 = $(git ls-files --unmerged | wc -l)
fi &&
git rev-parse --verify :2:a2 &&
test_must_fail git rev-parse --verify :3:a2 &&
git checkout -f delete &&
test_must_fail git merge rename &&
if test "$GIT_TEST_MERGE_ALGORITHM" = ort
then
test 2 = $(git ls-files --unmerged | wc -l)
else
test 1 = $(git ls-files --unmerged | wc -l)
fi &&
test_must_fail git rev-parse --verify :2:a2 &&
git rev-parse --verify :3:a2
'
test_done
|
