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t2407-worktree-heads.sh
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#!/bin/sh
test_description='test operations trying to overwrite refs at worktree HEAD'
. ./test-lib.sh
test_expect_success 'setup' '
test_commit init &&
for i in 1 2 3 4
do
git checkout -b conflict-$i &&
echo "not I" >$i.t &&
git add $i.t &&
git commit -m "will conflict" &&
git checkout - &&
test_commit $i &&
git branch wt-$i &&
git branch fake-$i &&
git worktree add wt-$i wt-$i || return 1
done &&
# Create a server that updates each branch by one commit
git init server &&
test_commit -C server initial &&
git remote add server ./server &&
for i in 1 2 3 4
do
git -C server checkout -b wt-$i &&
test_commit -C server A-$i || return 1
done &&
for i in 1 2
do
git -C server checkout -b fake-$i &&
test_commit -C server f-$i || return 1
done
'
test_expect_success 'refuse to overwrite: checked out in worktree' '
for i in 1 2 3 4
do
test_must_fail git branch -f wt-$i HEAD 2>err &&
grep "cannot force update the branch" err &&
test_must_fail git branch -D wt-$i 2>err &&
grep "cannot delete branch" err || return 1
done
'
test_expect_success 'refuse to overwrite: worktree in bisect' '
test_when_finished git -C wt-4 bisect reset &&
# Set up a bisect so HEAD no longer points to wt-4.
git -C wt-4 bisect start &&
git -C wt-4 bisect bad wt-4 &&
git -C wt-4 bisect good wt-1 &&
test_must_fail git branch -f wt-4 HEAD 2>err &&
grep "cannot force update the branch '\''wt-4'\'' used by worktree at.*wt-4" err
'
test_expect_success 'refuse to overwrite: worktree in rebase (apply)' '
test_when_finished git -C wt-2 rebase --abort &&
# This will fail part-way through due to a conflict.
test_must_fail git -C wt-2 rebase --apply conflict-2 &&
test_must_fail git branch -f wt-2 HEAD 2>err &&
grep "cannot force update the branch '\''wt-2'\'' used by worktree at.*wt-2" err
'
test_expect_success 'refuse to overwrite: worktree in rebase (merge)' '
test_when_finished git -C wt-2 rebase --abort &&
# This will fail part-way through due to a conflict.
test_must_fail git -C wt-2 rebase conflict-2 &&
test_must_fail git branch -f wt-2 HEAD 2>err &&
grep "cannot force update the branch '\''wt-2'\'' used by worktree at.*wt-2" err
'
test_expect_success 'refuse to overwrite: worktree in rebase with --update-refs' '
test_when_finished git -C wt-3 rebase --abort &&
git branch -f can-be-updated wt-3 &&
test_must_fail git -C wt-3 rebase --update-refs conflict-3 &&
for i in 3 4
do
test_must_fail git branch -f can-be-updated HEAD 2>err &&
grep "cannot force update the branch '\''can-be-updated'\'' used by worktree at.*wt-3" err ||
return 1
done
'
test_expect_success 'refuse to fetch over ref: checked out' '
test_must_fail git fetch server +refs/heads/wt-3:refs/heads/wt-3 2>err &&
grep "refusing to fetch into branch '\''refs/heads/wt-3'\''" err &&
# General fetch into refs/heads/ will fail on first ref,
# so use a generic error message check.
test_must_fail git fetch server +refs/heads/*:refs/heads/* 2>err &&
grep "refusing to fetch into branch" err
'
test_expect_success 'refuse to fetch over ref: worktree in bisect' '
test_when_finished git -C wt-4 bisect reset &&
# Set up a bisect so HEAD no longer points to wt-4.
git -C wt-4 bisect start &&
git -C wt-4 bisect bad wt-4 &&
git -C wt-4 bisect good wt-1 &&
test_must_fail git fetch server +refs/heads/wt-4:refs/heads/wt-4 2>err &&
grep "refusing to fetch into branch" err
'
test_expect_success 'refuse to fetch over ref: worktree in rebase' '
test_when_finished git -C wt-3 rebase --abort &&
# This will fail part-way through due to a conflict.
test_must_fail git -C wt-3 rebase conflict-3 &&
test_must_fail git fetch server +refs/heads/wt-3:refs/heads/wt-3 2>err &&
grep "refusing to fetch into branch" err
'
test_expect_success 'refuse to overwrite when in error states' '
test_when_finished rm -rf .git/worktrees/wt-*/rebase-merge &&
test_when_finished rm -rf .git/worktrees/wt-*/BISECT_* &&
# Both branches are currently under rebase.
mkdir -p .git/worktrees/wt-3/rebase-merge &&
touch .git/worktrees/wt-3/rebase-merge/interactive &&
echo refs/heads/fake-1 >.git/worktrees/wt-3/rebase-merge/head-name &&
echo refs/heads/fake-2 >.git/worktrees/wt-3/rebase-merge/onto &&
mkdir -p .git/worktrees/wt-4/rebase-merge &&
touch .git/worktrees/wt-4/rebase-merge/interactive &&
echo refs/heads/fake-2 >.git/worktrees/wt-4/rebase-merge/head-name &&
echo refs/heads/fake-1 >.git/worktrees/wt-4/rebase-merge/onto &&
# Both branches are currently under bisect.
touch .git/worktrees/wt-4/BISECT_LOG &&
echo refs/heads/fake-2 >.git/worktrees/wt-4/BISECT_START &&
touch .git/worktrees/wt-1/BISECT_LOG &&
echo refs/heads/fake-1 >.git/worktrees/wt-1/BISECT_START &&
for i in 1 2
do
test_must_fail git branch -f fake-$i HEAD 2>err &&
grep "cannot force update the branch '\''fake-$i'\'' used by worktree at" err ||
return 1
done
'
. "$TEST_DIRECTORY"/lib-rebase.sh
test_expect_success 'refuse to overwrite during rebase with --update-refs' '
git commit --fixup HEAD~2 --allow-empty &&
(
set_cat_todo_editor &&
test_must_fail git rebase -i --update-refs HEAD~3 >todo &&
! grep "update-refs" todo
) &&
git branch -f allow-update HEAD~2 &&
(
set_cat_todo_editor &&
test_must_fail git rebase -i --update-refs HEAD~3 >todo &&
grep "update-ref refs/heads/allow-update" todo
)
'
# This must be the last test in this file
test_expect_success '$EDITOR and friends are unchanged' '
test_editor_unchanged
'
test_done