t2500: add various tests for nuking untracked files

new file mode 100755 index 0000000000..2412d121ea --- /dev/null +++ b/t/t2500-untracked-overwriting.sh @@ -0,0 +1,244 @@ +#!/bin/sh + +test_description='Test handling of overwriting untracked files' + +. ./test-lib.sh + +test_setup_reset () { + git init reset_$1 && + ( + cd reset_$1 && + test_commit init && + + git branch stable && + git branch work && + + git checkout work && + test_commit foo && + + git checkout stable + ) +} + +test_expect_success 'reset --hard will nuke untracked files/dirs' ' + test_setup_reset hard && + ( + cd reset_hard && + git ls-tree -r stable && + git log --all --name-status --oneline && + git ls-tree -r work && + + mkdir foo.t && + echo precious >foo.t/file && + echo foo >expect && + + git reset --hard work && + + # check that untracked directory foo.t/ was nuked + test_path_is_file foo.t && + test_cmp expect foo.t + ) +' + +test_expect_success 'reset --merge will preserve untracked files/dirs' ' + test_setup_reset merge && + ( + cd reset_merge && + + mkdir foo.t && + echo precious >foo.t/file && + cp foo.t/file expect && + + test_must_fail git reset --merge work 2>error && + test_cmp expect foo.t/file && + grep "Updating .foo.t. would lose untracked files" error + ) +' + +test_expect_success 'reset --keep will preserve untracked files/dirs' ' + test_setup_reset keep && + ( + cd reset_keep && + + mkdir foo.t && + echo precious >foo.t/file && + cp foo.t/file expect && + + test_must_fail git reset --merge work 2>error && + test_cmp expect foo.t/file && + grep "Updating.*foo.t.*would lose untracked files" error + ) +' + +test_setup_checkout_m () { + git init checkout && + ( + cd checkout && + test_commit init && + + test_write_lines file has some >filler && + git add filler && + git commit -m filler && + + git branch stable && + + git switch -c work && + echo stuff >notes.txt && + test_write_lines file has some words >filler && + git add notes.txt filler && + git commit -m filler && + + git checkout stable + ) +} + +test_expect_failure 'checkout -m does not nuke untracked file' ' + test_setup_checkout_m && + ( + cd checkout && + + # Tweak filler + test_write_lines this file has some >filler && + # Make an untracked file, save its contents in "expect" + echo precious >notes.txt && + cp notes.txt expect && + + test_must_fail git checkout -m work && + test_cmp expect notes.txt + ) +' + +test_setup_sequencing () { + git init sequencing_$1 && + ( + cd sequencing_$1 && + test_commit init && + + test_write_lines this file has some words >filler && + git add filler && + git commit -m filler && + + mkdir -p foo/bar && + test_commit foo/bar/baz && + + git branch simple && + git branch fooey && + + git checkout fooey && + git rm foo/bar/baz.t && + echo stuff >>filler && + git add -u && + git commit -m "changes" && + + git checkout simple && + echo items >>filler && + echo newstuff >>newfile && + git add filler newfile && + git commit -m another + ) +} + +test_expect_failure 'git rebase --abort and untracked files' ' + test_setup_sequencing rebase_abort_and_untracked && + ( + cd sequencing_rebase_abort_and_untracked && + git checkout fooey && + test_must_fail git rebase simple && + + cat init.t && + git rm init.t && + echo precious >init.t && + cp init.t expect && + git status --porcelain && + test_must_fail git rebase --abort && + test_cmp expect init.t + ) +' + +test_expect_failure 'git rebase fast forwarding and untracked files' ' + test_setup_sequencing rebase_fast_forward_and_untracked && + ( + cd sequencing_rebase_fast_forward_and_untracked && + git checkout init && + echo precious >filler && + cp filler expect && + test_must_fail git rebase init simple && + test_cmp expect filler + ) +' + +test_expect_failure 'git rebase --autostash and untracked files' ' + test_setup_sequencing rebase_autostash_and_untracked && + ( + cd sequencing_rebase_autostash_and_untracked && + git checkout simple && + git rm filler && + mkdir filler && + echo precious >filler/file && + cp filler/file expect && + git rebase --autostash init && + test_path_is_file filler/file + ) +' + +test_expect_failure 'git stash and untracked files' ' + test_setup_sequencing stash_and_untracked_files && + ( + cd sequencing_stash_and_untracked_files && + git checkout simple && + git rm filler && + mkdir filler && + echo precious >filler/file && + cp filler/file expect && + git status --porcelain && + git stash push && + git status --porcelain && + test_path_is_file filler/file + ) +' + +test_expect_failure 'git am --abort and untracked dir vs. unmerged file' ' + test_setup_sequencing am_abort_and_untracked && + ( + cd sequencing_am_abort_and_untracked && + git format-patch -1 --stdout fooey >changes.mbox && + test_must_fail git am --3way changes.mbox && + + # Delete the conflicted file; we will stage and commit it later + rm filler && + + # Put an unrelated untracked directory there + mkdir filler && + echo foo >filler/file1 && + echo bar >filler/file2 && + + test_must_fail git am --abort 2>errors && + test_path_is_dir filler && + grep "Updating .filler. would lose untracked files in it" errors + ) +' + +test_expect_failure 'git am --skip and untracked dir vs deleted file' ' + test_setup_sequencing am_skip_and_untracked && + ( + cd sequencing_am_skip_and_untracked && + git checkout fooey && + git format-patch -1 --stdout simple >changes.mbox && + test_must_fail git am --3way changes.mbox && + + # Delete newfile + rm newfile && + + # Put an unrelated untracked directory there + mkdir newfile && + echo foo >newfile/file1 && + echo bar >newfile/file2 && + + # Change our mind about resolutions, just skip this patch + test_must_fail git am --skip 2>errors && + test_path_is_dir newfile && + grep "Updating .newfile. would lose untracked files in it" errors + ) +' + +test_done