format-patch: introduce format.useAutoBase configuration

diff --git a/t/t2025-worktree-add.sh b/t/t2025-worktree-add.sh
index ead8aa2a9d78c8f6451d19812d48ae5d69e6ee69..cbfa41ec61b9f893b4df441e0289a5313ccaf413 100755 (executable)
--- a/t/t2025-worktree-add.sh
+++ b/t/t2025-worktree-add.sh
@@ -83,6 +83,14 @@ test_expect_success 'die the same branch is already checked out' '
        )
 '
 
+test_expect_success SYMLINKS 'die the same branch is already checked out (symlink)' '
+       head=$(git -C there rev-parse --git-path HEAD) &&
+       ref=$(git -C there symbolic-ref HEAD) &&
+       rm "$head" &&
+       ln -s "$ref" "$head" &&
+       test_must_fail git -C here checkout newmaster
+'
+
 test_expect_success 'not die the same branch is already checked out' '
        (
                cd here &&
@@ -115,10 +123,10 @@ test_expect_success 'checkout from a bare repo without "add"' '
 test_expect_success 'checkout with grafts' '
        test_when_finished rm .git/info/grafts &&
        test_commit abc &&
-       SHA1=`git rev-parse HEAD` &&
+       SHA1=$(git rev-parse HEAD) &&
        test_commit def &&
        test_commit xyz &&
-       echo "`git rev-parse HEAD` $SHA1" >.git/info/grafts &&
+       echo "$(git rev-parse HEAD) $SHA1" >.git/info/grafts &&
        cat >expected <<-\EOF &&
        xyz
        abc
@@ -145,6 +153,14 @@ test_expect_success '"add -b" with <branch> omitted' '
        test_cmp_rev HEAD burble
 '
 
+test_expect_success '"add --detach" with <branch> omitted' '
+       git worktree add --detach fishhook &&
+       git rev-parse HEAD >expected &&
+       git -C fishhook rev-parse HEAD >actual &&
+       test_cmp expected actual &&
+       test_must_fail git -C fishhook symbolic-ref HEAD
+'
+
 test_expect_success '"add" with <branch> omitted' '
        git worktree add wiffle/bat &&
        test_cmp_rev HEAD bat
@@ -159,4 +175,42 @@ test_expect_success '"add" auto-vivify does not clobber existing branch' '
        test_path_is_missing precious
 '
 
+test_expect_success '"add" no auto-vivify with --detach and <branch> omitted' '
+       git worktree add --detach mish/mash &&
+       test_must_fail git rev-parse mash -- &&
+       test_must_fail git -C mish/mash symbolic-ref HEAD
+'
+
+test_expect_success '"add" -b/-B mutually exclusive' '
+       test_must_fail git worktree add -b poodle -B poodle bamboo master
+'
+
+test_expect_success '"add" -b/--detach mutually exclusive' '
+       test_must_fail git worktree add -b poodle --detach bamboo master
+'
+
+test_expect_success '"add" -B/--detach mutually exclusive' '
+       test_must_fail git worktree add -B poodle --detach bamboo master
+'
+
+test_expect_success '"add -B" fails if the branch is checked out' '
+       git rev-parse newmaster >before &&
+       test_must_fail git worktree add -B newmaster bamboo master &&
+       git rev-parse newmaster >after &&
+       test_cmp before after
+'
+
+test_expect_success 'add -B' '
+       git worktree add -B poodle bamboo2 master^ &&
+       git -C bamboo2 symbolic-ref HEAD >actual &&
+       echo refs/heads/poodle >expected &&
+       test_cmp expected actual &&
+       test_cmp_rev master^ poodle
+'
+
+test_expect_success 'local clone from linked checkout' '
+       git clone --local here here-clone &&
+       ( cd here-clone && git fsck )
+'
+
 test_done