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checkout/restore: add basic tests for --merge

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Even though "checkout --merge -- paths" had some tests, we never
made sure it worked to recreate the conflicted state _after_ the
resolution was recorded in the index.  Also "restore --merge" did
not even have any tests.

Currently these commands use the unmerge_marked_index() interface
that cannot handle paths that have been resolved as removal, and
tests for that case are marked with test_expect_failure; these
should eventually be fixed, but not in this patch.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2023-07-31 15:44:08 -07:00
parent 54f98fee50
commit ed3789f2f0
2 changed files with 106 additions and 0 deletions
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64
t/t2070-restore.sh
View file

@ -137,6 +137,70 @@ test_expect_success 'restore --staged invalidates cache tree for deletions' '
test_must_fail git rev-parse HEAD:new1
'
test_expect_success 'restore --merge to unresolve' '
O=$(echo original | git hash-object -w --stdin) &&
A=$(echo ourside | git hash-object -w --stdin) &&
B=$(echo theirside | git hash-object -w --stdin) &&
{
echo "100644 $O 1 file" &&
echo "100644 $A 2 file" &&
echo "100644 $B 3 file"
} | git update-index --index-info &&
echo nothing >file &&
git restore --worktree --merge file &&
cat >expect <<-\EOF &&
<<<<<<< ours
ourside
=======
theirside
>>>>>>> theirs
EOF
test_cmp expect file
'
test_expect_success 'restore --merge to unresolve after (mistaken) resolution' '
O=$(echo original | git hash-object -w --stdin) &&
A=$(echo ourside | git hash-object -w --stdin) &&
B=$(echo theirside | git hash-object -w --stdin) &&
{
echo "100644 $O 1 file" &&
echo "100644 $A 2 file" &&
echo "100644 $B 3 file"
} | git update-index --index-info &&
echo nothing >file &&
git add file &&
git restore --worktree --merge file &&
cat >expect <<-\EOF &&
<<<<<<< ours
ourside
=======
theirside
>>>>>>> theirs
EOF
test_cmp expect file
'
test_expect_failure 'restore --merge to unresolve after (mistaken) resolution' '
O=$(echo original | git hash-object -w --stdin) &&
A=$(echo ourside | git hash-object -w --stdin) &&
B=$(echo theirside | git hash-object -w --stdin) &&
{
echo "100644 $O 1 file" &&
echo "100644 $A 2 file" &&
echo "100644 $B 3 file"
} | git update-index --index-info &&
git rm -f file &&
git restore --worktree --merge file &&
cat >expect <<-\EOF &&
<<<<<<< ours
ourside
=======
theirside
>>>>>>> theirs
EOF
test_cmp expect file
'
test_expect_success 'restore with merge options are incompatible with certain options' '
for opts in \
"--staged --ours" \

42
t/t7201-co.sh
View file

@ -522,6 +522,48 @@ test_expect_success 'checkout with --merge' '
test_cmp merged file
'
test_expect_success 'checkout -m works after (mistaken) resolution' '
setup_conflicting_index &&
echo "none of the above" >sample &&
cat sample >fild &&
cat sample >file &&
cat sample >filf &&
# resolve to something
git add file &&
git checkout --merge -- fild file filf &&
{
echo "<<<<<<< ours" &&
echo ourside &&
echo "=======" &&
echo theirside &&
echo ">>>>>>> theirs"
} >merged &&
test_cmp expect fild &&
test_cmp expect filf &&
test_cmp merged file
'
test_expect_failure 'checkout -m works after (mistaken) resolution to remove' '
setup_conflicting_index &&
echo "none of the above" >sample &&
cat sample >fild &&
cat sample >file &&
cat sample >filf &&
# resolve to remove
git rm file &&
git checkout --merge -- fild file filf &&
{
echo "<<<<<<< ours" &&
echo ourside &&
echo "=======" &&
echo theirside &&
echo ">>>>>>> theirs"
} >merged &&
test_cmp expect fild &&
test_cmp expect filf &&
test_cmp merged file
'
test_expect_success 'checkout with --merge, in diff3 -m style' '
git config merge.conflictstyle diff3 &&
setup_conflicting_index &&