git/t/t3420-rebase-autostash.sh

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#!/bin/sh
#
# Copyright (c) 2013 Ramkumar Ramachandra
#
test_description='git rebase --autostash tests'
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 '
echo hello-world >file0 &&
git add . &&
test_tick &&
git commit -m "initial commit" &&
git checkout -b feature-branch &&
echo another-hello >file1 &&
echo goodbye >file2 &&
git add . &&
test_tick &&
git commit -m "second commit" &&
echo final-goodbye >file3 &&
git add . &&
test_tick &&
git commit -m "third commit" &&
git checkout -b unrelated-onto-branch main &&
echo unrelated >file4 &&
git add . &&
test_tick &&
git commit -m "unrelated commit" &&
git checkout -b related-onto-branch main &&
echo conflicting-change >file2 &&
git add . &&
test_tick &&
git commit -m "related commit" &&
remove_progress_re="$(printf "s/.*\\r//")"
'
create_expected_success_apply () {
cat >expected <<-EOF
$(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
First, rewinding head to replay your work on top of it...
Applying: second commit
Applying: third commit
Applied autostash.
EOF
}
create_expected_success_merge () {
q_to_cr >expected <<-EOF
$(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
Applied autostash.
Successfully rebased and updated refs/heads/rebased-feature-branch.
EOF
}
create_expected_failure_apply () {
cat >expected <<-EOF
$(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
First, rewinding head to replay your work on top of it...
Applying: second commit
Applying: third commit
Applying autostash resulted in conflicts.
Your changes are safe in the stash.
You can run "git stash pop" or "git stash drop" at any time.
EOF
}
create_expected_failure_merge () {
cat >expected <<-EOF
$(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
Applying autostash resulted in conflicts.
Your changes are safe in the stash.
You can run "git stash pop" or "git stash drop" at any time.
Successfully rebased and updated refs/heads/rebased-feature-branch.
EOF
}
testrebase () {
type=$1
dotest=$2
test_expect_success "rebase$type: dirty worktree, --no-autostash" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b rebased-feature-branch feature-branch &&
test_when_finished git branch -D rebased-feature-branch &&
test_when_finished git checkout feature-branch &&
echo dirty >>file3 &&
test_must_fail git rebase$type --no-autostash unrelated-onto-branch
'
test_expect_success "rebase$type: dirty worktree, non-conflicting rebase" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b rebased-feature-branch feature-branch &&
echo dirty >>file3 &&
git rebase$type unrelated-onto-branch >actual 2>&1 &&
grep unrelated file4 &&
grep dirty file3 &&
git checkout feature-branch
'
test_expect_success "rebase$type --autostash: check output" '
test_when_finished git branch -D rebased-feature-branch &&
suffix=${type#\ --} && suffix=${suffix:-apply} &&
if test ${suffix} = "interactive"; then
suffix=merge
fi &&
create_expected_success_$suffix &&
sed "$remove_progress_re" <actual >actual2 &&
test_cmp expected actual2
'
test_expect_success "rebase$type: dirty index, non-conflicting rebase" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b rebased-feature-branch feature-branch &&
test_when_finished git branch -D rebased-feature-branch &&
echo dirty >>file3 &&
git add file3 &&
git rebase$type unrelated-onto-branch &&
grep unrelated file4 &&
grep dirty file3 &&
git checkout feature-branch
'
test_expect_success "rebase$type: conflicting rebase" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b rebased-feature-branch feature-branch &&
test_when_finished git branch -D rebased-feature-branch &&
echo dirty >>file3 &&
test_must_fail git rebase$type related-onto-branch &&
test_path_is_file $dotest/autostash &&
test_path_is_missing file3 &&
rm -rf $dotest &&
git reset --hard &&
git checkout feature-branch
'
test_expect_success "rebase$type: --continue" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b rebased-feature-branch feature-branch &&
test_when_finished git branch -D rebased-feature-branch &&
echo dirty >>file3 &&
test_must_fail git rebase$type related-onto-branch &&
test_path_is_file $dotest/autostash &&
test_path_is_missing file3 &&
echo "conflicting-plus-goodbye" >file2 &&
git add file2 &&
git rebase --continue &&
test_path_is_missing $dotest/autostash &&
grep dirty file3 &&
git checkout feature-branch
'
test_expect_success "rebase$type: --skip" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b rebased-feature-branch feature-branch &&
test_when_finished git branch -D rebased-feature-branch &&
echo dirty >>file3 &&
test_must_fail git rebase$type related-onto-branch &&
test_path_is_file $dotest/autostash &&
test_path_is_missing file3 &&
git rebase --skip &&
test_path_is_missing $dotest/autostash &&
grep dirty file3 &&
git checkout feature-branch
'
test_expect_success "rebase$type: --abort" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b rebased-feature-branch feature-branch &&
test_when_finished git branch -D rebased-feature-branch &&
echo dirty >>file3 &&
test_must_fail git rebase$type related-onto-branch &&
test_path_is_file $dotest/autostash &&
test_path_is_missing file3 &&
git rebase --abort &&
test_path_is_missing $dotest/autostash &&
grep dirty file3 &&
git checkout feature-branch
'
test_expect_success "rebase$type: --quit" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b rebased-feature-branch feature-branch &&
test_when_finished git branch -D rebased-feature-branch &&
echo dirty >>file3 &&
git diff >expect &&
test_must_fail git rebase$type related-onto-branch &&
test_path_is_file $dotest/autostash &&
test_path_is_missing file3 &&
git rebase --quit &&
test_when_finished git stash drop &&
test_path_is_missing $dotest/autostash &&
! grep dirty file3 &&
git stash show -p >actual &&
test_cmp expect actual &&
git reset --hard &&
git checkout feature-branch
'
test_expect_success "rebase$type: non-conflicting rebase, conflicting stash" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b rebased-feature-branch feature-branch &&
echo dirty >file4 &&
git add file4 &&
git rebase$type unrelated-onto-branch >actual 2>&1 &&
test_path_is_missing $dotest &&
git reset --hard &&
grep unrelated file4 &&
! grep dirty file4 &&
git checkout feature-branch &&
git stash pop &&
grep dirty file4
'
test_expect_success "rebase$type: check output with conflicting stash" '
test_when_finished git branch -D rebased-feature-branch &&
suffix=${type#\ --} && suffix=${suffix:-apply} &&
if test ${suffix} = "interactive"; then
suffix=merge
fi &&
create_expected_failure_$suffix &&
sed "$remove_progress_re" <actual >actual2 &&
test_cmp expected actual2
'
}
test_expect_success "rebase: fast-forward rebase" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b behind-feature-branch feature-branch~1 &&
test_when_finished git branch -D behind-feature-branch &&
echo dirty >>file1 &&
git rebase feature-branch &&
grep dirty file1 &&
git checkout feature-branch
'
test_expect_success "rebase: noop rebase" '
test_config rebase.autostash true &&
git reset --hard &&
git checkout -b same-feature-branch feature-branch &&
test_when_finished git branch -D same-feature-branch &&
echo dirty >>file1 &&
git rebase feature-branch &&
grep dirty file1 &&
git checkout feature-branch
'
testrebase " --apply" .git/rebase-apply
testrebase " --merge" .git/rebase-merge
testrebase " --interactive" .git/rebase-merge
test_expect_success 'abort rebase -i with --autostash' '
test_when_finished "git reset --hard" &&
echo uncommitted-content >file0 &&
(
write_script abort-editor.sh <<-\EOF &&
echo >"$1"
EOF
test_set_editor "$(pwd)/abort-editor.sh" &&
test_must_fail git rebase -i --autostash HEAD^ &&
rm -f abort-editor.sh
) &&
echo uncommitted-content >expected &&
test_cmp expected file0
'
test_expect_success 'restore autostash on editor failure' '
test_when_finished "git reset --hard" &&
echo uncommitted-content >file0 &&
(
test_set_editor "false" &&
test_must_fail git rebase -i --autostash HEAD^
) &&
echo uncommitted-content >expected &&
test_cmp expected file0
'
test_expect_success 'autostash is saved on editor failure with conflict' '
test_when_finished "git reset --hard" &&
echo uncommitted-content >file0 &&
(
write_script abort-editor.sh <<-\EOF &&
echo conflicting-content >file0
exit 1
EOF
test_set_editor "$(pwd)/abort-editor.sh" &&
test_must_fail git rebase -i --autostash HEAD^ &&
rm -f abort-editor.sh
) &&
echo conflicting-content >expected &&
test_cmp expected file0 &&
git checkout file0 &&
git stash pop &&
echo uncommitted-content >expected &&
test_cmp expected file0
'
test_expect_success 'autostash with dirty submodules' '
test_when_finished "git reset --hard && git checkout main" &&
git checkout -b with-submodule &&
git -c protocol.file.allow=always submodule add ./ sub &&
test_tick &&
git commit -m add-submodule &&
echo changed >sub/file0 &&
git rebase -i --autostash HEAD
'
test_expect_success 'branch is left alone when possible' '
git checkout -b unchanged-branch &&
echo changed >file0 &&
git rebase --autostash unchanged-branch &&
test changed = "$(cat file0)" &&
test unchanged-branch = "$(git rev-parse --abbrev-ref HEAD)"
'
test_expect_success 'never change active branch' '
git checkout -b not-the-feature-branch unrelated-onto-branch &&
test_when_finished "git reset --hard && git checkout main" &&
echo changed >file0 &&
git rebase --autostash not-the-feature-branch feature-branch &&
test_cmp_rev not-the-feature-branch unrelated-onto-branch
'
test_expect_success 'autostash commit is marked as reachable' '
echo changed >file0 &&
git rebase --autostash --exec "git prune --expire=now" \
feature-branch^ feature-branch &&
# git rebase succeeds if the stash cannot be applied so we need to check
# the contents of file0
echo changed >expect &&
test_cmp expect file0
'
test_done