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Diffstat (limited to 't/t2407-worktree-heads.sh')
| -rwxr-xr-x | t/t2407-worktree-heads.sh | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/t/t2407-worktree-heads.sh b/t/t2407-worktree-heads.sh new file mode 100755 index 0000000..019a40d --- /dev/null +++ b/t/t2407-worktree-heads.sh @@ -0,0 +1,180 @@ +#!/bin/sh + +test_description='test operations trying to overwrite refs at worktree HEAD' + +TEST_PASSES_SANITIZE_LEAK=true +. ./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 !SANITIZE_LEAK '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'\'' checked out at.*wt-4" err +' + +test_expect_success !SANITIZE_LEAK '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'\'' checked out at.*wt-2" err +' + +test_expect_success !SANITIZE_LEAK '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'\'' checked out at.*wt-2" err +' + +test_expect_success !SANITIZE_LEAK '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'\'' checked out at.*wt-3" err || + return 1 + done +' + +test_expect_success !SANITIZE_LEAK '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 !SANITIZE_LEAK '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 !SANITIZE_LEAK '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-$i'\'' checked out at" err || + return 1 + done +' + +. "$TEST_DIRECTORY"/lib-rebase.sh + +test_expect_success !SANITIZE_LEAK '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 |