git/t/t2070-restore.sh

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#!/bin/sh
test_description='restore basic functionality'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'setup' '
test_commit first &&
echo first-and-a-half >>first.t &&
git add first.t &&
test_commit second &&
echo one >one &&
echo two >two &&
echo untracked >untracked &&
echo ignored >ignored &&
echo /ignored >.gitignore &&
git add one two .gitignore &&
git update-ref refs/heads/one main
'
test_expect_success 'restore without pathspec is not ok' '
test_must_fail git restore &&
test_must_fail git restore --source=first
'
test_expect_success 'restore a file, ignoring branch of same name' '
cat one >expected &&
echo dirty >>one &&
git restore one &&
test_cmp expected one
'
test_expect_success 'restore a file on worktree from another ref' '
test_when_finished git reset --hard &&
git cat-file blob first:./first.t >expected &&
git restore --source=first first.t &&
test_cmp expected first.t &&
git cat-file blob HEAD:./first.t >expected &&
git show :first.t >actual &&
test_cmp expected actual
'
test_expect_success 'restore a file in the index from another ref' '
test_when_finished git reset --hard &&
git cat-file blob first:./first.t >expected &&
git restore --source=first --staged first.t &&
git show :first.t >actual &&
test_cmp expected actual &&
git cat-file blob HEAD:./first.t >expected &&
test_cmp expected first.t
'
test_expect_success 'restore a file in both the index and worktree from another ref' '
test_when_finished git reset --hard &&
git cat-file blob first:./first.t >expected &&
git restore --source=first --staged --worktree first.t &&
git show :first.t >actual &&
test_cmp expected actual &&
test_cmp expected first.t
'
test_expect_success 'restore --staged uses HEAD as source' '
test_when_finished git reset --hard &&
git cat-file blob :./first.t >expected &&
echo index-dirty >>first.t &&
git add first.t &&
git restore --staged first.t &&
git cat-file blob :./first.t >actual &&
test_cmp expected actual
'
test_expect_success 'restore --worktree --staged uses HEAD as source' '
test_when_finished git reset --hard &&
git show HEAD:./first.t >expected &&
echo dirty >>first.t &&
git add first.t &&
git restore --worktree --staged first.t &&
git show :./first.t >actual &&
test_cmp expected actual &&
test_cmp expected first.t
'
test_expect_success 'restore --ignore-unmerged ignores unmerged entries' '
git init unmerged &&
(
cd unmerged &&
echo one >unmerged &&
echo one >common &&
git add unmerged common &&
git commit -m common &&
git switch -c first &&
echo first >unmerged &&
git commit -am first &&
git switch -c second main &&
echo second >unmerged &&
git commit -am second &&
test_must_fail git merge first &&
echo dirty >>common &&
test_must_fail git restore . &&
git restore --ignore-unmerged --quiet . >output 2>&1 &&
git diff common >diff-output &&
test_must_be_empty output &&
test_must_be_empty diff-output
)
'
test_expect_success 'restore --staged adds deleted intent-to-add file back to index' '
echo "nonempty" >nonempty &&
>empty &&
git add nonempty empty &&
git commit -m "create files to be deleted" &&
git rm --cached nonempty empty &&
git add -N nonempty empty &&
git restore --staged nonempty empty &&
git diff --cached --exit-code
'
test_expect_success 'restore --staged invalidates cache tree for deletions' '
test_when_finished git reset --hard &&
>new1 &&
>new2 &&
git add new1 new2 &&
# It is important to commit and then reset here, so that the index
# contains a valid cache-tree for the "both" tree.
git commit -m both &&
git reset --soft HEAD^ &&
git restore --staged new1 &&
git commit -m "just new2" &&
git rev-parse HEAD:new2 &&
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 $B 3 file"
} | git update-index --index-info &&
echo nothing >file &&
git add file &&
git restore --worktree --merge file &&
cat >expect <<-\EOF &&
<<<<<<< ours
ourside
=======
theirside
>>>>>>> theirs
EOF
test_cmp expect file
'
test_expect_success 'restore --merge to unresolve after (mistaken) resolution' '
O=$(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 &&
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" \
"--staged --theirs" \
"--staged --merge" \
"--source=HEAD --ours" \
"--source=HEAD --theirs" \
"--source=HEAD --merge" \
"--staged --conflict=diff3" \
"--staged --worktree --ours" \
"--staged --worktree --theirs" \
"--staged --worktree --merge" \
"--staged --worktree --conflict=zdiff3"
do
test_must_fail git restore $opts . 2>err &&
grep "cannot be used" err || return
done
'
test_done