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executable file 100 lines (90 sloc) 2.295 kb
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#!/bin/sh

test_description='basic git merge-index / git-merge-one-file tests'
. ./test-lib.sh

test_expect_success 'setup diverging branches' '
for i in 1 2 3 4 5 6 7 8 9 10; do
echo $i
done >file &&
git add file &&
git commit -m base &&
git tag base &&
sed s/2/two/ <file >tmp &&
mv tmp file &&
git commit -a -m two &&
git tag two &&
git checkout -b other HEAD^ &&
sed s/10/ten/ <file >tmp &&
mv tmp file &&
git commit -a -m ten &&
git tag ten
'

cat >expect-merged <<'EOF'
1
two
3
4
5
6
7
8
9
ten
EOF

test_expect_success 'read-tree does not resolve content merge' '
git read-tree -i -m base ten two &&
echo file >expect &&
git diff-files --name-only --diff-filter=U >unmerged &&
test_cmp expect unmerged
'

test_expect_success 'git merge-index git-merge-one-file resolves' '
git merge-index git-merge-one-file -a &&
git diff-files --name-only --diff-filter=U >unmerged &&
>expect &&
test_cmp expect unmerged &&
test_cmp expect-merged file &&
git cat-file blob :file >file-index &&
test_cmp expect-merged file-index
'

test_expect_success 'setup bare merge' '
git clone --bare . bare.git &&
(cd bare.git &&
GIT_INDEX_FILE=$PWD/merge.index &&
export GIT_INDEX_FILE &&
git read-tree -i -m base ten two
)
'

test_expect_success 'merge-one-file fails without a work tree' '
(cd bare.git &&
GIT_INDEX_FILE=$PWD/merge.index &&
export GIT_INDEX_FILE &&
test_must_fail git merge-index git-merge-one-file -a
)
'

test_expect_success 'merge-one-file respects GIT_WORK_TREE' '
(cd bare.git &&
mkdir work &&
GIT_WORK_TREE=$PWD/work &&
export GIT_WORK_TREE &&
GIT_INDEX_FILE=$PWD/merge.index &&
export GIT_INDEX_FILE &&
git merge-index git-merge-one-file -a &&
git cat-file blob :file >work/file-index
) &&
test_cmp expect-merged bare.git/work/file &&
test_cmp expect-merged bare.git/work/file-index
'

test_expect_success 'merge-one-file respects core.worktree' '
mkdir subdir &&
git clone . subdir/child &&
(cd subdir &&
GIT_DIR=$PWD/child/.git &&
export GIT_DIR &&
git config core.worktree "$PWD/child" &&
git read-tree -i -m base ten two &&
git merge-index git-merge-one-file -a &&
git cat-file blob :file >file-index
) &&
test_cmp expect-merged subdir/child/file &&
test_cmp expect-merged subdir/file-index
'

test_done
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