git/t/t3510-cherry-pick-sequence.sh

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#!/bin/sh
test_description='Test cherry-pick continuation features
+ conflicting: rewrites unrelated to conflicting
+ yetanotherpick: rewrites foo to e
+ anotherpick: rewrites foo to d
+ picked: rewrites foo to c
+ unrelatedpick: rewrites unrelated to reallyunrelated
+ base: rewrites foo to b
+ initial: writes foo as a, unrelated as unrelated
'
. ./test-lib.sh
# Repeat first match 10 times
_r10='\1\1\1\1\1\1\1\1\1\1'
pristine_detach () {
git cherry-pick --quit &&
git checkout -f "$1^0" &&
git read-tree -u --reset HEAD &&
git clean -d -f -f -q -x
}
test_expect_success setup '
git config advice.detachedhead false &&
echo unrelated >unrelated &&
git add unrelated &&
test_commit initial foo a &&
test_commit base foo b &&
test_commit unrelatedpick unrelated reallyunrelated &&
test_commit picked foo c &&
test_commit anotherpick foo d &&
test_commit yetanotherpick foo e &&
pristine_detach initial &&
test_commit conflicting unrelated
'
test_expect_success 'cherry-pick persists data on failure' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick -s base..anotherpick &&
test_path_is_dir .git/sequencer &&
test_path_is_file .git/sequencer/head &&
test_path_is_file .git/sequencer/todo &&
test_path_is_file .git/sequencer/opts
'
test_expect_success 'cherry-pick mid-cherry-pick-sequence' '
pristine_detach initial &&
test_must_fail git cherry-pick base..anotherpick &&
test_cmp_rev picked CHERRY_PICK_HEAD &&
# "oops, I forgot that these patches rely on the change from base"
git checkout HEAD foo &&
git cherry-pick base &&
git cherry-pick picked &&
git cherry-pick --continue &&
git diff --exit-code anotherpick
'
test_expect_success 'cherry-pick persists opts correctly' '
pristine_detach initial &&
# to make sure that the session to cherry-pick a sequence
# gets interrupted, use a high-enough number that is larger
# than the number of parents of any commit we have created
mainline=4 &&
test_expect_code 128 git cherry-pick -s -m $mainline --strategy=recursive -X patience -X ours --edit initial..anotherpick &&
test_path_is_dir .git/sequencer &&
test_path_is_file .git/sequencer/head &&
test_path_is_file .git/sequencer/todo &&
test_path_is_file .git/sequencer/opts &&
echo "true" >expect &&
git config --file=.git/sequencer/opts --get-all options.signoff >actual &&
test_cmp expect actual &&
echo "$mainline" >expect &&
git config --file=.git/sequencer/opts --get-all options.mainline >actual &&
test_cmp expect actual &&
echo "recursive" >expect &&
git config --file=.git/sequencer/opts --get-all options.strategy >actual &&
test_cmp expect actual &&
cat >expect <<-\EOF &&
patience
ours
EOF
git config --file=.git/sequencer/opts --get-all options.strategy-option >actual &&
test_cmp expect actual &&
echo "true" >expect &&
git config --file=.git/sequencer/opts --get-all options.edit >actual &&
test_cmp expect actual
'
test_expect_success 'cherry-pick persists --empty=stop correctly' '
pristine_detach yetanotherpick &&
# Picking `anotherpick` forces a conflict so that we stop. That
# commit is then skipped, after which we pick `yetanotherpick`
# while already on `yetanotherpick` to cause an empty commit
test_must_fail git cherry-pick --empty=stop anotherpick yetanotherpick &&
test_must_fail git cherry-pick --skip 2>msg &&
test_grep "The previous cherry-pick is now empty" msg &&
rm msg &&
git cherry-pick --abort
'
test_expect_success 'cherry-pick persists --empty=drop correctly' '
pristine_detach yetanotherpick &&
# Picking `anotherpick` forces a conflict so that we stop. That
# commit is then skipped, after which we pick `yetanotherpick`
# while already on `yetanotherpick` to cause an empty commit
test_must_fail git cherry-pick --empty=drop anotherpick yetanotherpick &&
git cherry-pick --skip &&
test_cmp_rev yetanotherpick HEAD
'
test_expect_success 'cherry-pick persists --empty=keep correctly' '
pristine_detach yetanotherpick &&
# Picking `anotherpick` forces a conflict so that we stop. That
# commit is then skipped, after which we pick `yetanotherpick`
# while already on `yetanotherpick` to cause an empty commit
test_must_fail git cherry-pick --empty=keep anotherpick yetanotherpick &&
git cherry-pick --skip &&
test_cmp_rev yetanotherpick HEAD^
'
test_expect_success 'revert persists opts correctly' '
pristine_detach initial &&
# to make sure that the session to revert a sequence
# gets interrupted, revert commits that are not in the history
# of HEAD.
test_expect_code 1 git revert -s --strategy=recursive -X patience -X ours --no-edit picked yetanotherpick &&
test_path_is_dir .git/sequencer &&
test_path_is_file .git/sequencer/head &&
test_path_is_file .git/sequencer/todo &&
test_path_is_file .git/sequencer/opts &&
echo "true" >expect &&
git config --file=.git/sequencer/opts --get-all options.signoff >actual &&
test_cmp expect actual &&
echo "recursive" >expect &&
git config --file=.git/sequencer/opts --get-all options.strategy >actual &&
test_cmp expect actual &&
cat >expect <<-\EOF &&
patience
ours
EOF
git config --file=.git/sequencer/opts --get-all options.strategy-option >actual &&
test_cmp expect actual &&
echo "false" >expect &&
git config --file=.git/sequencer/opts --get-all options.edit >actual &&
test_cmp expect actual
'
test_expect_success 'cherry-pick cleans up sequencer state upon success' '
pristine_detach initial &&
git cherry-pick initial..picked &&
test_path_is_missing .git/sequencer
'
test_expect_success 'cherry-pick --skip requires cherry-pick in progress' '
pristine_detach initial &&
test_must_fail git cherry-pick --skip
'
test_expect_success 'revert --skip requires revert in progress' '
pristine_detach initial &&
test_must_fail git revert --skip
'
test_expect_success 'cherry-pick --skip to skip commit' '
pristine_detach initial &&
test_must_fail git cherry-pick anotherpick &&
test_must_fail git revert --skip &&
git cherry-pick --skip &&
test_cmp_rev initial HEAD &&
test_path_is_missing .git/CHERRY_PICK_HEAD
'
test_expect_success 'revert --skip to skip commit' '
pristine_detach anotherpick &&
test_must_fail git revert anotherpick~1 &&
test_must_fail git cherry-pick --skip &&
git revert --skip &&
test_cmp_rev anotherpick HEAD
'
test_expect_success 'skip "empty" commit' '
pristine_detach picked &&
test_commit dummy foo d &&
test_must_fail git cherry-pick anotherpick 2>err &&
test_grep "git cherry-pick --skip" err &&
git cherry-pick --skip &&
test_cmp_rev dummy HEAD
'
test_expect_success 'skip a commit and check if rest of sequence is correct' '
pristine_detach initial &&
echo e >expect &&
cat >expect.log <<-EOF &&
OBJID
:100644 100644 OBJID OBJID M foo
OBJID
:100644 100644 OBJID OBJID M foo
OBJID
:100644 100644 OBJID OBJID M unrelated
OBJID
:000000 100644 OBJID OBJID A foo
:000000 100644 OBJID OBJID A unrelated
EOF
test_must_fail git cherry-pick base..yetanotherpick &&
test_must_fail git cherry-pick --skip &&
echo d >foo &&
git add foo &&
git cherry-pick --continue &&
{
git rev-list HEAD |
git diff-tree --root --stdin |
sed "s/$OID_REGEX/OBJID/g"
} >actual.log &&
test_cmp expect foo &&
test_cmp expect.log actual.log
'
test_expect_success 'check advice when we move HEAD by committing' '
pristine_detach initial &&
cat >expect <<-EOF &&
error: there is nothing to skip
hint: have you committed already?
hint: try "git cherry-pick --continue"
fatal: cherry-pick failed
EOF
test_must_fail git cherry-pick base..yetanotherpick &&
echo c >foo &&
git commit -a &&
test_path_is_missing .git/CHERRY_PICK_HEAD &&
test_must_fail git cherry-pick --skip 2>advice &&
test_cmp expect advice
'
test_expect_success 'selectively advise --skip while launching another sequence' '
pristine_detach initial &&
cat >expect <<-EOF &&
error: cherry-pick is already in progress
hint: try "git cherry-pick (--continue | --skip | --abort | --quit)"
fatal: cherry-pick failed
EOF
test_must_fail git cherry-pick picked..yetanotherpick &&
test_must_fail git cherry-pick picked..yetanotherpick 2>advice &&
test_cmp expect advice &&
cat >expect <<-EOF &&
error: cherry-pick is already in progress
hint: try "git cherry-pick (--continue | --abort | --quit)"
fatal: cherry-pick failed
EOF
git reset --merge &&
test_must_fail git cherry-pick picked..yetanotherpick 2>advice &&
test_cmp expect advice
'
test_expect_success 'allow skipping commit but not abort for a new history' '
pristine_detach initial &&
cat >expect <<-EOF &&
error: cannot abort from a branch yet to be born
fatal: cherry-pick failed
EOF
git checkout --orphan new_disconnected &&
git reset --hard &&
test_must_fail git cherry-pick anotherpick &&
test_must_fail git cherry-pick --abort 2>advice &&
git cherry-pick --skip &&
test_cmp expect advice
'
test_expect_success 'allow skipping stopped cherry-pick because of untracked file modifications' '
test_when_finished "rm unrelated" &&
pristine_detach initial &&
git rm --cached unrelated &&
git commit -m "untrack unrelated" &&
test_must_fail git cherry-pick initial base &&
test_path_is_missing .git/CHERRY_PICK_HEAD &&
git cherry-pick --skip
'
test_expect_success '--quit does not complain when no cherry-pick is in progress' '
pristine_detach initial &&
git cherry-pick --quit
'
test_expect_success '--abort requires cherry-pick in progress' '
pristine_detach initial &&
test_must_fail git cherry-pick --abort
'
test_expect_success '--quit cleans up sequencer state' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..picked &&
git cherry-pick --quit &&
test_path_is_missing .git/sequencer &&
test_path_is_missing .git/CHERRY_PICK_HEAD
'
test_expect_success '--quit keeps HEAD and conflicted index intact' '
pristine_detach initial &&
cat >expect <<-\EOF &&
OBJID
:100644 100644 OBJID OBJID M unrelated
OBJID
:000000 100644 OBJID OBJID A foo
:000000 100644 OBJID OBJID A unrelated
EOF
test_expect_code 1 git cherry-pick base..picked &&
git cherry-pick --quit &&
test_path_is_missing .git/sequencer &&
test_must_fail git update-index --refresh &&
{
git rev-list HEAD |
git diff-tree --root --stdin |
sed "s/$OID_REGEX/OBJID/g"
} >actual &&
test_cmp expect actual
'
test_expect_success '--abort to cancel multiple cherry-pick' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
git cherry-pick --abort &&
test_path_is_missing .git/sequencer &&
test_path_is_missing .git/CHERRY_PICK_HEAD &&
test_cmp_rev initial HEAD &&
git update-index --refresh &&
git diff-index --exit-code HEAD
'
test_expect_success '--abort to cancel single cherry-pick' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick picked &&
git cherry-pick --abort &&
test_path_is_missing .git/sequencer &&
test_path_is_missing .git/CHERRY_PICK_HEAD &&
test_cmp_rev initial HEAD &&
git update-index --refresh &&
git diff-index --exit-code HEAD
'
test_expect_success '--abort does not unsafely change HEAD' '
pristine_detach initial &&
test_must_fail git cherry-pick picked anotherpick &&
git reset --hard base &&
test_must_fail git cherry-pick picked anotherpick &&
git cherry-pick --abort 2>actual &&
test_grep "You seem to have moved HEAD" actual &&
test_cmp_rev base HEAD
'
test_expect_success 'cherry-pick --abort to cancel multiple revert' '
pristine_detach anotherpick &&
test_expect_code 1 git revert base..picked &&
git cherry-pick --abort &&
test_path_is_missing .git/sequencer &&
test_path_is_missing .git/CHERRY_PICK_HEAD &&
test_cmp_rev anotherpick HEAD &&
git update-index --refresh &&
git diff-index --exit-code HEAD
'
test_expect_success 'revert --abort works, too' '
pristine_detach anotherpick &&
test_expect_code 1 git revert base..picked &&
git revert --abort &&
test_path_is_missing .git/sequencer &&
test_cmp_rev anotherpick HEAD
'
test_expect_success '--abort to cancel single revert' '
pristine_detach anotherpick &&
test_expect_code 1 git revert picked &&
git revert --abort &&
test_path_is_missing .git/sequencer &&
test_cmp_rev anotherpick HEAD &&
git update-index --refresh &&
git diff-index --exit-code HEAD
'
test_expect_success '--abort keeps unrelated change, easy case' '
pristine_detach unrelatedpick &&
echo changed >expect &&
test_expect_code 1 git cherry-pick picked..yetanotherpick &&
echo changed >unrelated &&
git cherry-pick --abort &&
test_cmp expect unrelated
'
test_expect_success '--abort refuses to clobber unrelated change, harder case' '
pristine_detach initial &&
echo changed >expect &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo changed >unrelated &&
test_must_fail git cherry-pick --abort &&
test_cmp expect unrelated &&
git rev-list HEAD >log &&
test_line_count = 2 log &&
test_must_fail git update-index --refresh &&
git checkout unrelated &&
git cherry-pick --abort &&
test_cmp_rev initial HEAD
'
test_expect_success 'cherry-pick still writes sequencer state when one commit is left' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..picked &&
test_path_is_dir .git/sequencer &&
echo "resolved" >foo &&
git add foo &&
git commit &&
{
git rev-list HEAD |
git diff-tree --root --stdin |
sed "s/$OID_REGEX/OBJID/g"
} >actual &&
cat >expect <<-\EOF &&
OBJID
:100644 100644 OBJID OBJID M foo
OBJID
:100644 100644 OBJID OBJID M unrelated
OBJID
:000000 100644 OBJID OBJID A foo
:000000 100644 OBJID OBJID A unrelated
EOF
test_cmp expect actual
'
test_expect_success '--abort after last commit in sequence' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..picked &&
git cherry-pick --abort &&
test_path_is_missing .git/sequencer &&
test_path_is_missing .git/CHERRY_PICK_HEAD &&
test_cmp_rev initial HEAD &&
git update-index --refresh &&
git diff-index --exit-code HEAD
'
test_expect_success 'cherry-pick does not implicitly stomp an existing operation' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
test-tool chmtime --get .git/sequencer >expect &&
test_expect_code 128 git cherry-pick unrelatedpick &&
test-tool chmtime --get .git/sequencer >actual &&
test_cmp expect actual
'
test_expect_success '--continue complains when no cherry-pick is in progress' '
pristine_detach initial &&
test_expect_code 128 git cherry-pick --continue
'
test_expect_success '--continue complains when there are unresolved conflicts' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
test_expect_code 128 git cherry-pick --continue
'
test_expect_success '--continue of single cherry-pick' '
pristine_detach initial &&
echo c >expect &&
test_must_fail git cherry-pick picked &&
echo c >foo &&
git add foo &&
git cherry-pick --continue &&
test_cmp expect foo &&
test_cmp_rev initial HEAD^ &&
git diff --exit-code HEAD &&
test_must_fail git rev-parse --verify CHERRY_PICK_HEAD
'
test_expect_success '--continue of single revert' '
pristine_detach initial &&
echo resolved >expect &&
echo "Revert \"picked\"" >expect.msg &&
test_must_fail git revert picked &&
echo resolved >foo &&
git add foo &&
git cherry-pick --continue &&
git diff --exit-code HEAD &&
test_cmp expect foo &&
test_cmp_rev initial HEAD^ &&
git diff-tree -s --pretty=tformat:%s HEAD >msg &&
test_cmp expect.msg msg &&
test_must_fail git rev-parse --verify CHERRY_PICK_HEAD &&
test_must_fail git rev-parse --verify REVERT_HEAD
'
test_expect_success '--continue after resolving conflicts' '
pristine_detach initial &&
echo d >expect &&
cat >expect.log <<-\EOF &&
OBJID
:100644 100644 OBJID OBJID M foo
OBJID
:100644 100644 OBJID OBJID M foo
OBJID
:100644 100644 OBJID OBJID M unrelated
OBJID
:000000 100644 OBJID OBJID A foo
:000000 100644 OBJID OBJID A unrelated
EOF
test_must_fail git cherry-pick base..anotherpick &&
echo c >foo &&
git add foo &&
git cherry-pick --continue &&
{
git rev-list HEAD |
git diff-tree --root --stdin |
sed "s/$OID_REGEX/OBJID/g"
} >actual.log &&
test_cmp expect foo &&
test_cmp expect.log actual.log
'
test_expect_success '--continue after resolving conflicts and committing' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
git cherry-pick --continue &&
test_path_is_missing .git/sequencer &&
{
git rev-list HEAD |
git diff-tree --root --stdin |
sed "s/$OID_REGEX/OBJID/g"
} >actual &&
cat >expect <<-\EOF &&
OBJID
:100644 100644 OBJID OBJID M foo
OBJID
:100644 100644 OBJID OBJID M foo
OBJID
:100644 100644 OBJID OBJID M unrelated
OBJID
:000000 100644 OBJID OBJID A foo
:000000 100644 OBJID OBJID A unrelated
EOF
test_cmp expect actual
'
test_expect_success '--continue asks for help after resolving patch to nil' '
pristine_detach conflicting &&
test_must_fail git cherry-pick initial..picked &&
test_cmp_rev unrelatedpick CHERRY_PICK_HEAD &&
git checkout HEAD -- unrelated &&
test_must_fail git cherry-pick --continue 2>msg &&
test_grep "The previous cherry-pick is now empty" msg
'
test_expect_success 'follow advice and skip nil patch' '
pristine_detach conflicting &&
test_must_fail git cherry-pick initial..picked &&
git checkout HEAD -- unrelated &&
test_must_fail git cherry-pick --continue &&
git reset &&
git cherry-pick --continue &&
git rev-list initial..HEAD >commits &&
test_line_count = 3 commits
'
test_expect_success '--continue respects opts' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick -x base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
git cherry-pick --continue &&
test_path_is_missing .git/sequencer &&
git cat-file commit HEAD >anotherpick_msg &&
git cat-file commit HEAD~1 >picked_msg &&
git cat-file commit HEAD~2 >unrelatedpick_msg &&
git cat-file commit HEAD~3 >initial_msg &&
! grep "cherry picked from" initial_msg &&
grep "cherry picked from" unrelatedpick_msg &&
grep "cherry picked from" picked_msg &&
grep "cherry picked from" anotherpick_msg
'
test_expect_success '--continue of single-pick respects -x' '
pristine_detach initial &&
test_must_fail git cherry-pick -x picked &&
echo c >foo &&
git add foo &&
git cherry-pick --continue &&
test_path_is_missing .git/sequencer &&
git cat-file commit HEAD >msg &&
grep "cherry picked from" msg
'
test_expect_success '--continue respects -x in first commit in multi-pick' '
pristine_detach initial &&
test_must_fail git cherry-pick -x picked anotherpick &&
echo c >foo &&
git add foo &&
git cherry-pick --continue &&
test_path_is_missing .git/sequencer &&
git cat-file commit HEAD^ >msg &&
picked=$(git rev-parse --verify picked) &&
grep "cherry picked from.*$picked" msg
'
test_expect_failure '--signoff is automatically propagated to resolved conflict' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick --signoff base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
git cherry-pick --continue &&
test_path_is_missing .git/sequencer &&
git cat-file commit HEAD >anotherpick_msg &&
git cat-file commit HEAD~1 >picked_msg &&
git cat-file commit HEAD~2 >unrelatedpick_msg &&
git cat-file commit HEAD~3 >initial_msg &&
! grep "Signed-off-by:" initial_msg &&
grep "Signed-off-by:" unrelatedpick_msg &&
! grep "Signed-off-by:" picked_msg &&
grep "Signed-off-by:" anotherpick_msg
'
test_expect_failure '--signoff dropped for implicit commit of resolution, multi-pick case' '
pristine_detach initial &&
test_must_fail git cherry-pick -s picked anotherpick &&
echo c >foo &&
git add foo &&
git cherry-pick --continue &&
git diff --exit-code HEAD &&
test_cmp_rev initial HEAD^^ &&
git cat-file commit HEAD^ >msg &&
! grep Signed-off-by: msg
'
test_expect_failure 'sign-off needs to be reaffirmed after conflict resolution, single-pick case' '
pristine_detach initial &&
test_must_fail git cherry-pick -s picked &&
echo c >foo &&
git add foo &&
git cherry-pick --continue &&
git diff --exit-code HEAD &&
test_cmp_rev initial HEAD^ &&
git cat-file commit HEAD >msg &&
! grep Signed-off-by: msg
'
test_expect_success 'malformed instruction sheet 1' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "resolved" >foo &&
git add foo &&
git commit &&
sed "s/pick /pick/" .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
test_expect_code 128 git cherry-pick --continue
'
test_expect_success 'malformed instruction sheet 2' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "resolved" >foo &&
git add foo &&
git commit &&
sed "s/pick/revert/" .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
test_expect_code 128 git cherry-pick --continue
'
test_expect_success 'empty commit set (no commits to walk)' '
pristine_detach initial &&
test_expect_code 128 git cherry-pick base..base
'
test_expect_success 'empty commit set (culled during walk)' '
pristine_detach initial &&
test_expect_code 128 git cherry-pick -2 --author=no.such.author base
'
test_expect_success 'malformed instruction sheet 3' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "resolved" >foo &&
git add foo &&
git commit &&
sed "s/pick \([0-9a-f]*\)/pick $_r10/" .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
test_expect_code 128 git cherry-pick --continue
'
test_expect_success 'instruction sheet, fat-fingers version' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
sed "s/pick \([0-9a-f]*\)/pick \1 /" .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
git cherry-pick --continue
'
test_expect_success 'commit descriptions in insn sheet are optional' '
pristine_detach initial &&
test_expect_code 1 git cherry-pick base..anotherpick &&
echo "c" >foo &&
git add foo &&
git commit &&
cut -d" " -f1,2 .git/sequencer/todo >new_sheet &&
cp new_sheet .git/sequencer/todo &&
git cherry-pick --continue &&
test_path_is_missing .git/sequencer &&
git rev-list HEAD >commits &&
test_line_count = 4 commits
'
test_done