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-rwxr-xr-xthird_party/git/t/t2406-worktree-repair.sh179
1 files changed, 179 insertions, 0 deletions
diff --git a/third_party/git/t/t2406-worktree-repair.sh b/third_party/git/t/t2406-worktree-repair.sh
new file mode 100755
index 000000000000..1fe468bfe8bc
--- /dev/null
+++ b/third_party/git/t/t2406-worktree-repair.sh
@@ -0,0 +1,179 @@
+#!/bin/sh
+
+test_description='test git worktree repair'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+	test_commit init
+'
+
+test_expect_success 'skip missing worktree' '
+	test_when_finished "git worktree prune" &&
+	git worktree add --detach missing &&
+	rm -rf missing &&
+	git worktree repair >out 2>err &&
+	test_must_be_empty out &&
+	test_must_be_empty err
+'
+
+test_expect_success 'worktree path not directory' '
+	test_when_finished "git worktree prune" &&
+	git worktree add --detach notdir &&
+	rm -rf notdir &&
+	>notdir &&
+	test_must_fail git worktree repair >out 2>err &&
+	test_must_be_empty out &&
+	test_i18ngrep "not a directory" err
+'
+
+test_expect_success "don't clobber .git repo" '
+	test_when_finished "rm -rf repo && git worktree prune" &&
+	git worktree add --detach repo &&
+	rm -rf repo &&
+	test_create_repo repo &&
+	test_must_fail git worktree repair >out 2>err &&
+	test_must_be_empty out &&
+	test_i18ngrep ".git is not a file" err
+'
+
+test_corrupt_gitfile () {
+	butcher=$1 &&
+	problem=$2 &&
+	repairdir=${3:-.} &&
+	test_when_finished 'rm -rf corrupt && git worktree prune' &&
+	git worktree add --detach corrupt &&
+	git -C corrupt rev-parse --absolute-git-dir >expect &&
+	eval "$butcher" &&
+	git -C "$repairdir" worktree repair >out 2>err &&
+	test_i18ngrep "$problem" out &&
+	test_must_be_empty err &&
+	git -C corrupt rev-parse --absolute-git-dir >actual &&
+	test_cmp expect actual
+}
+
+test_expect_success 'repair missing .git file' '
+	test_corrupt_gitfile "rm -f corrupt/.git" ".git file broken"
+'
+
+test_expect_success 'repair bogus .git file' '
+	test_corrupt_gitfile "echo \"gitdir: /nowhere\" >corrupt/.git" \
+		".git file broken"
+'
+
+test_expect_success 'repair incorrect .git file' '
+	test_when_finished "rm -rf other && git worktree prune" &&
+	test_create_repo other &&
+	other=$(git -C other rev-parse --absolute-git-dir) &&
+	test_corrupt_gitfile "echo \"gitdir: $other\" >corrupt/.git" \
+		".git file incorrect"
+'
+
+test_expect_success 'repair .git file from main/.git' '
+	test_corrupt_gitfile "rm -f corrupt/.git" ".git file broken" .git
+'
+
+test_expect_success 'repair .git file from linked worktree' '
+	test_when_finished "rm -rf other && git worktree prune" &&
+	git worktree add --detach other &&
+	test_corrupt_gitfile "rm -f corrupt/.git" ".git file broken" other
+'
+
+test_expect_success 'repair .git file from bare.git' '
+	test_when_finished "rm -rf bare.git corrupt && git worktree prune" &&
+	git clone --bare . bare.git &&
+	git -C bare.git worktree add --detach ../corrupt &&
+	git -C corrupt rev-parse --absolute-git-dir >expect &&
+	rm -f corrupt/.git &&
+	git -C bare.git worktree repair &&
+	git -C corrupt rev-parse --absolute-git-dir >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'invalid worktree path' '
+	test_must_fail git worktree repair /notvalid >out 2>err &&
+	test_must_be_empty out &&
+	test_i18ngrep "not a valid path" err
+'
+
+test_expect_success 'repo not found; .git not file' '
+	test_when_finished "rm -rf not-a-worktree" &&
+	test_create_repo not-a-worktree &&
+	test_must_fail git worktree repair not-a-worktree >out 2>err &&
+	test_must_be_empty out &&
+	test_i18ngrep ".git is not a file" err
+'
+
+test_expect_success 'repo not found; .git file broken' '
+	test_when_finished "rm -rf orig moved && git worktree prune" &&
+	git worktree add --detach orig &&
+	echo /invalid >orig/.git &&
+	mv orig moved &&
+	test_must_fail git worktree repair moved >out 2>err &&
+	test_must_be_empty out &&
+	test_i18ngrep ".git file broken" err
+'
+
+test_expect_success 'repair broken gitdir' '
+	test_when_finished "rm -rf orig moved && git worktree prune" &&
+	git worktree add --detach orig &&
+	sed s,orig/\.git$,moved/.git, .git/worktrees/orig/gitdir >expect &&
+	rm .git/worktrees/orig/gitdir &&
+	mv orig moved &&
+	git worktree repair moved >out 2>err &&
+	test_cmp expect .git/worktrees/orig/gitdir &&
+	test_i18ngrep "gitdir unreadable" out &&
+	test_must_be_empty err
+'
+
+test_expect_success 'repair incorrect gitdir' '
+	test_when_finished "rm -rf orig moved && git worktree prune" &&
+	git worktree add --detach orig &&
+	sed s,orig/\.git$,moved/.git, .git/worktrees/orig/gitdir >expect &&
+	mv orig moved &&
+	git worktree repair moved >out 2>err &&
+	test_cmp expect .git/worktrees/orig/gitdir &&
+	test_i18ngrep "gitdir incorrect" out &&
+	test_must_be_empty err
+'
+
+test_expect_success 'repair gitdir (implicit) from linked worktree' '
+	test_when_finished "rm -rf orig moved && git worktree prune" &&
+	git worktree add --detach orig &&
+	sed s,orig/\.git$,moved/.git, .git/worktrees/orig/gitdir >expect &&
+	mv orig moved &&
+	git -C moved worktree repair >out 2>err &&
+	test_cmp expect .git/worktrees/orig/gitdir &&
+	test_i18ngrep "gitdir incorrect" out &&
+	test_must_be_empty err
+'
+
+test_expect_success 'unable to repair gitdir (implicit) from main worktree' '
+	test_when_finished "rm -rf orig moved && git worktree prune" &&
+	git worktree add --detach orig &&
+	cat .git/worktrees/orig/gitdir >expect &&
+	mv orig moved &&
+	git worktree repair >out 2>err &&
+	test_cmp expect .git/worktrees/orig/gitdir &&
+	test_must_be_empty out &&
+	test_must_be_empty err
+'
+
+test_expect_success 'repair multiple gitdir files' '
+	test_when_finished "rm -rf orig1 orig2 moved1 moved2 &&
+		git worktree prune" &&
+	git worktree add --detach orig1 &&
+	git worktree add --detach orig2 &&
+	sed s,orig1/\.git$,moved1/.git, .git/worktrees/orig1/gitdir >expect1 &&
+	sed s,orig2/\.git$,moved2/.git, .git/worktrees/orig2/gitdir >expect2 &&
+	mv orig1 moved1 &&
+	mv orig2 moved2 &&
+	git worktree repair moved1 moved2 >out 2>err &&
+	test_cmp expect1 .git/worktrees/orig1/gitdir &&
+	test_cmp expect2 .git/worktrees/orig2/gitdir &&
+	test_i18ngrep "gitdir incorrect:.*orig1/gitdir$" out &&
+	test_i18ngrep "gitdir incorrect:.*orig2/gitdir$" out &&
+	test_must_be_empty err
+'
+
+test_done