--- /dev/null
+#!/bin/sh
+
+test_description='test git worktree add'
+
+. ./test-lib.sh
+
+. "$TEST_DIRECTORY"/lib-rebase.sh
+
+test_expect_success 'setup' '
+ test_commit init
+'
+
+test_expect_success '"add" an existing worktree' '
+ mkdir -p existing/subtree &&
+ test_must_fail git worktree add --detach existing master
+'
+
+test_expect_success '"add" an existing empty worktree' '
+ mkdir existing_empty &&
+ git worktree add --detach existing_empty master
+'
+
+test_expect_success '"add" using shorthand - fails when no previous branch' '
+ test_must_fail git worktree add existing_short -
+'
+
+test_expect_success '"add" using - shorthand' '
+ git checkout -b newbranch &&
+ echo hello >myworld &&
+ git add myworld &&
+ git commit -m myworld &&
+ git checkout master &&
+ git worktree add short-hand - &&
+ echo refs/heads/newbranch >expect &&
+ git -C short-hand rev-parse --symbolic-full-name HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success '"add" refuses to checkout locked branch' '
+ test_must_fail git worktree add zere master &&
+ ! test -d zere &&
+ ! test -d .git/worktrees/zere
+'
+
+test_expect_success 'checking out paths not complaining about linked checkouts' '
+ (
+ cd existing_empty &&
+ echo dirty >>init.t &&
+ git checkout master -- init.t
+ )
+'
+
+test_expect_success '"add" worktree' '
+ git rev-parse HEAD >expect &&
+ git worktree add --detach here master &&
+ (
+ cd here &&
+ test_cmp ../init.t init.t &&
+ test_must_fail git symbolic-ref HEAD &&
+ git rev-parse HEAD >actual &&
+ test_cmp ../expect actual &&
+ git fsck
+ )
+'
+
+test_expect_success '"add" worktree with lock' '
+ git rev-parse HEAD >expect &&
+ git worktree add --detach --lock here-with-lock master &&
+ test -f .git/worktrees/here-with-lock/locked
+'
+
+test_expect_success '"add" worktree from a subdir' '
+ (
+ mkdir sub &&
+ cd sub &&
+ git worktree add --detach here master &&
+ cd here &&
+ test_cmp ../../init.t init.t
+ )
+'
+
+test_expect_success '"add" from a linked checkout' '
+ (
+ cd here &&
+ git worktree add --detach nested-here master &&
+ cd nested-here &&
+ git fsck
+ )
+'
+
+test_expect_success '"add" worktree creating new branch' '
+ git worktree add -b newmaster there master &&
+ (
+ cd there &&
+ test_cmp ../init.t init.t &&
+ git symbolic-ref HEAD >actual &&
+ echo refs/heads/newmaster >expect &&
+ test_cmp expect actual &&
+ git fsck
+ )
+'
+
+test_expect_success 'die the same branch is already checked out' '
+ (
+ cd here &&
+ test_must_fail git checkout newmaster
+ )
+'
+
+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 &&
+ git worktree add --force anothernewmaster newmaster
+ )
+'
+
+test_expect_success 'not die on re-checking out current branch' '
+ (
+ cd there &&
+ git checkout newmaster
+ )
+'
+
+test_expect_success '"add" from a bare repo' '
+ (
+ git clone --bare . bare &&
+ cd bare &&
+ git worktree add -b bare-master ../there2 master
+ )
+'
+
+test_expect_success 'checkout from a bare repo without "add"' '
+ (
+ cd bare &&
+ test_must_fail git checkout master
+ )
+'
+
+test_expect_success '"add" default branch of a bare repo' '
+ (
+ git clone --bare . bare2 &&
+ cd bare2 &&
+ git worktree add ../there3 master
+ )
+'
+
+test_expect_success 'checkout with grafts' '
+ test_when_finished rm .git/info/grafts &&
+ test_commit abc &&
+ SHA1=$(git rev-parse HEAD) &&
+ test_commit def &&
+ test_commit xyz &&
+ echo "$(git rev-parse HEAD) $SHA1" >.git/info/grafts &&
+ cat >expected <<-\EOF &&
+ xyz
+ abc
+ EOF
+ git log --format=%s -2 >actual &&
+ test_cmp expected actual &&
+ git worktree add --detach grafted master &&
+ git --git-dir=grafted/.git log --format=%s -2 >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success '"add" from relative HEAD' '
+ test_commit a &&
+ test_commit b &&
+ test_commit c &&
+ git rev-parse HEAD~1 >expected &&
+ git worktree add relhead HEAD~1 &&
+ git -C relhead rev-parse HEAD >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success '"add -b" with <branch> omitted' '
+ git worktree add -b burble flornk &&
+ 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
+'
+
+test_expect_success '"add" checks out existing branch of dwimd name' '
+ git branch dwim HEAD~1 &&
+ git worktree add dwim &&
+ test_cmp_rev HEAD~1 dwim &&
+ (
+ cd dwim &&
+ test_cmp_rev HEAD dwim
+ )
+'
+
+test_expect_success '"add <path>" dwim fails with checked out branch' '
+ git checkout -b test-branch &&
+ test_must_fail git worktree add test-branch &&
+ test_path_is_missing test-branch
+'
+
+test_expect_success '"add --force" with existing dwimd name doesnt die' '
+ git checkout test-branch &&
+ git worktree add --force test-branch
+'
+
+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 'add --quiet' '
+ git worktree add --quiet another-worktree master 2>actual &&
+ test_must_be_empty actual
+'
+
+test_expect_success 'local clone from linked checkout' '
+ git clone --local here here-clone &&
+ ( cd here-clone && git fsck )
+'
+
+test_expect_success 'local clone --shared from linked checkout' '
+ git -C bare worktree add --detach ../baretree &&
+ git clone --local --shared baretree bare-clone &&
+ grep /bare/ bare-clone/.git/objects/info/alternates
+'
+
+test_expect_success '"add" worktree with --no-checkout' '
+ git worktree add --no-checkout -b swamp swamp &&
+ ! test -e swamp/init.t &&
+ git -C swamp reset --hard &&
+ test_cmp init.t swamp/init.t
+'
+
+test_expect_success '"add" worktree with --checkout' '
+ git worktree add --checkout -b swmap2 swamp2 &&
+ test_cmp init.t swamp2/init.t
+'
+
+test_expect_success 'put a worktree under rebase' '
+ git worktree add under-rebase &&
+ (
+ cd under-rebase &&
+ set_fake_editor &&
+ FAKE_LINES="edit 1" git rebase -i HEAD^ &&
+ git worktree list | grep "under-rebase.*detached HEAD"
+ )
+'
+
+test_expect_success 'add a worktree, checking out a rebased branch' '
+ test_must_fail git worktree add new-rebase under-rebase &&
+ ! test -d new-rebase
+'
+
+test_expect_success 'checking out a rebased branch from another worktree' '
+ git worktree add new-place &&
+ test_must_fail git -C new-place checkout under-rebase
+'
+
+test_expect_success 'not allow to delete a branch under rebase' '
+ (
+ cd under-rebase &&
+ test_must_fail git branch -D under-rebase
+ )
+'
+
+test_expect_success 'rename a branch under rebase not allowed' '
+ test_must_fail git branch -M under-rebase rebase-with-new-name
+'
+
+test_expect_success 'check out from current worktree branch ok' '
+ (
+ cd under-rebase &&
+ git checkout under-rebase &&
+ git checkout - &&
+ git rebase --abort
+ )
+'
+
+test_expect_success 'checkout a branch under bisect' '
+ git worktree add under-bisect &&
+ (
+ cd under-bisect &&
+ git bisect start &&
+ git bisect bad &&
+ git bisect good HEAD~2 &&
+ git worktree list | grep "under-bisect.*detached HEAD" &&
+ test_must_fail git worktree add new-bisect under-bisect &&
+ ! test -d new-bisect
+ )
+'
+
+test_expect_success 'rename a branch under bisect not allowed' '
+ test_must_fail git branch -M under-bisect bisect-with-new-name
+'
+# Is branch "refs/heads/$1" set to pull from "$2/$3"?
+test_branch_upstream () {
+ printf "%s\n" "$2" "refs/heads/$3" >expect.upstream &&
+ {
+ git config "branch.$1.remote" &&
+ git config "branch.$1.merge"
+ } >actual.upstream &&
+ test_cmp expect.upstream actual.upstream
+}
+
+test_expect_success '--track sets up tracking' '
+ test_when_finished rm -rf track &&
+ git worktree add --track -b track track master &&
+ test_branch_upstream track . master
+'
+
+# setup remote repository $1 and repository $2 with $1 set up as
+# remote. The remote has two branches, master and foo.
+setup_remote_repo () {
+ git init $1 &&
+ (
+ cd $1 &&
+ test_commit $1_master &&
+ git checkout -b foo &&
+ test_commit upstream_foo
+ ) &&
+ git init $2 &&
+ (
+ cd $2 &&
+ test_commit $2_master &&
+ git remote add $1 ../$1 &&
+ git config remote.$1.fetch \
+ "refs/heads/*:refs/remotes/$1/*" &&
+ git fetch --all
+ )
+}
+
+test_expect_success '--no-track avoids setting up tracking' '
+ test_when_finished rm -rf repo_upstream repo_local foo &&
+ setup_remote_repo repo_upstream repo_local &&
+ (
+ cd repo_local &&
+ git worktree add --no-track -b foo ../foo repo_upstream/foo
+ ) &&
+ (
+ cd foo &&
+ test_must_fail git config "branch.foo.remote" &&
+ test_must_fail git config "branch.foo.merge" &&
+ test_cmp_rev refs/remotes/repo_upstream/foo refs/heads/foo
+ )
+'
+
+test_expect_success '"add" <path> <non-existent-branch> fails' '
+ test_must_fail git worktree add foo non-existent
+'
+
+test_expect_success '"add" <path> <branch> dwims' '
+ test_when_finished rm -rf repo_upstream repo_dwim foo &&
+ setup_remote_repo repo_upstream repo_dwim &&
+ git init repo_dwim &&
+ (
+ cd repo_dwim &&
+ git worktree add ../foo foo
+ ) &&
+ (
+ cd foo &&
+ test_branch_upstream foo repo_upstream foo &&
+ test_cmp_rev refs/remotes/repo_upstream/foo refs/heads/foo
+ )
+'
+
+test_expect_success '"add" <path> <branch> dwims with checkout.defaultRemote' '
+ test_when_finished rm -rf repo_upstream repo_dwim foo &&
+ setup_remote_repo repo_upstream repo_dwim &&
+ git init repo_dwim &&
+ (
+ cd repo_dwim &&
+ git remote add repo_upstream2 ../repo_upstream &&
+ git fetch repo_upstream2 &&
+ test_must_fail git worktree add ../foo foo &&
+ git -c checkout.defaultRemote=repo_upstream worktree add ../foo foo &&
+ git status -uno --porcelain >status.actual &&
+ test_must_be_empty status.actual
+ ) &&
+ (
+ cd foo &&
+ test_branch_upstream foo repo_upstream foo &&
+ test_cmp_rev refs/remotes/repo_upstream/foo refs/heads/foo
+ )
+'
+
+test_expect_success 'git worktree add does not match remote' '
+ test_when_finished rm -rf repo_a repo_b foo &&
+ setup_remote_repo repo_a repo_b &&
+ (
+ cd repo_b &&
+ git worktree add ../foo
+ ) &&
+ (
+ cd foo &&
+ test_must_fail git config "branch.foo.remote" &&
+ test_must_fail git config "branch.foo.merge" &&
+ ! test_cmp_rev refs/remotes/repo_a/foo refs/heads/foo
+ )
+'
+
+test_expect_success 'git worktree add --guess-remote sets up tracking' '
+ test_when_finished rm -rf repo_a repo_b foo &&
+ setup_remote_repo repo_a repo_b &&
+ (
+ cd repo_b &&
+ git worktree add --guess-remote ../foo
+ ) &&
+ (
+ cd foo &&
+ test_branch_upstream foo repo_a foo &&
+ test_cmp_rev refs/remotes/repo_a/foo refs/heads/foo
+ )
+'
+
+test_expect_success 'git worktree add with worktree.guessRemote sets up tracking' '
+ test_when_finished rm -rf repo_a repo_b foo &&
+ setup_remote_repo repo_a repo_b &&
+ (
+ cd repo_b &&
+ git config worktree.guessRemote true &&
+ git worktree add ../foo
+ ) &&
+ (
+ cd foo &&
+ test_branch_upstream foo repo_a foo &&
+ test_cmp_rev refs/remotes/repo_a/foo refs/heads/foo
+ )
+'
+
+test_expect_success 'git worktree --no-guess-remote option overrides config' '
+ test_when_finished rm -rf repo_a repo_b foo &&
+ setup_remote_repo repo_a repo_b &&
+ (
+ cd repo_b &&
+ git config worktree.guessRemote true &&
+ git worktree add --no-guess-remote ../foo
+ ) &&
+ (
+ cd foo &&
+ test_must_fail git config "branch.foo.remote" &&
+ test_must_fail git config "branch.foo.merge" &&
+ ! test_cmp_rev refs/remotes/repo_a/foo refs/heads/foo
+ )
+'
+
+post_checkout_hook () {
+ gitdir=${1:-.git}
+ test_when_finished "rm -f $gitdir/hooks/post-checkout" &&
+ mkdir -p $gitdir/hooks &&
+ write_script $gitdir/hooks/post-checkout <<-\EOF
+ {
+ echo $*
+ git rev-parse --git-dir --show-toplevel
+ } >hook.actual
+ EOF
+}
+
+test_expect_success '"add" invokes post-checkout hook (branch)' '
+ post_checkout_hook &&
+ {
+ echo $ZERO_OID $(git rev-parse HEAD) 1 &&
+ echo $(pwd)/.git/worktrees/gumby &&
+ echo $(pwd)/gumby
+ } >hook.expect &&
+ git worktree add gumby &&
+ test_cmp hook.expect gumby/hook.actual
+'
+
+test_expect_success '"add" invokes post-checkout hook (detached)' '
+ post_checkout_hook &&
+ {
+ echo $ZERO_OID $(git rev-parse HEAD) 1 &&
+ echo $(pwd)/.git/worktrees/grumpy &&
+ echo $(pwd)/grumpy
+ } >hook.expect &&
+ git worktree add --detach grumpy &&
+ test_cmp hook.expect grumpy/hook.actual
+'
+
+test_expect_success '"add --no-checkout" suppresses post-checkout hook' '
+ post_checkout_hook &&
+ rm -f hook.actual &&
+ git worktree add --no-checkout gloopy &&
+ test_path_is_missing gloopy/hook.actual
+'
+
+test_expect_success '"add" in other worktree invokes post-checkout hook' '
+ post_checkout_hook &&
+ {
+ echo $ZERO_OID $(git rev-parse HEAD) 1 &&
+ echo $(pwd)/.git/worktrees/guppy &&
+ echo $(pwd)/guppy
+ } >hook.expect &&
+ git -C gloopy worktree add --detach ../guppy &&
+ test_cmp hook.expect guppy/hook.actual
+'
+
+test_expect_success '"add" in bare repo invokes post-checkout hook' '
+ rm -rf bare &&
+ git clone --bare . bare &&
+ {
+ echo $ZERO_OID $(git --git-dir=bare rev-parse HEAD) 1 &&
+ echo $(pwd)/bare/worktrees/goozy &&
+ echo $(pwd)/goozy
+ } >hook.expect &&
+ post_checkout_hook bare &&
+ git -C bare worktree add --detach ../goozy &&
+ test_cmp hook.expect goozy/hook.actual
+'
+
+test_expect_success '"add" an existing but missing worktree' '
+ git worktree add --detach pneu &&
+ test_must_fail git worktree add --detach pneu &&
+ rm -fr pneu &&
+ test_must_fail git worktree add --detach pneu &&
+ git worktree add --force --detach pneu
+'
+
+test_expect_success '"add" an existing locked but missing worktree' '
+ git worktree add --detach gnoo &&
+ git worktree lock gnoo &&
+ test_when_finished "git worktree unlock gnoo || :" &&
+ rm -fr gnoo &&
+ test_must_fail git worktree add --detach gnoo &&
+ test_must_fail git worktree add --force --detach gnoo &&
+ git worktree add --force --force --detach gnoo
+'
+
++test_expect_success '"add" should not fail because of another bad worktree' '
++ git init add-fail &&
++ (
++ cd add-fail &&
++ test_commit first &&
++ mkdir sub &&
++ git worktree add sub/to-be-deleted &&
++ rm -rf sub &&
++ git worktree add second
++ )
++'
++
+test_done