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https://github.com/git/git
synced 2024-11-05 18:59:29 +00:00
bb69b3b009
"git worktree add <path>" performs various checks before approving <path> as a valid location for the new worktree. Aside from ensuring that <path> does not already exist, one of the questions it asks is whether <path> is already a registered worktree. To perform this check, it queries find_worktree() and disallows the "add" operation if find_worktree() finds a match for <path>. As a convenience, however, find_worktree() casts an overly wide net to allow users to identify worktrees by shorthand in order to keep typing to a minimum. For instance, it performs suffix matching which, given subtrees "foo/bar" and "foo/baz", can correctly select the latter when asked only for "baz". "add" validation knows the exact path it is interrogating, so this sort of heuristic-based matching is, at best, questionable for this use-case and, at worst, may may accidentally interpret <path> as matching an existing worktree and incorrectly report it as already registered even when it isn't. (In fact, validate_worktree_add() already contains a special case to avoid accidentally matching against the main worktree, precisely due to this problem.) Avoid the problem of potential accidental matching against an existing worktree by instead taking advantage of find_worktree_by_path() which matches paths deterministically, without applying any sort of magic shorthand matching performed by find_worktree(). Reported-by: Cameron Gunnin <cameron.gunnin@synopsys.com> Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
623 lines
16 KiB
Bash
Executable file
623 lines
16 KiB
Bash
Executable file
#!/bin/sh
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test_description='test git worktree add'
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-rebase.sh
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test_expect_success 'setup' '
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test_commit init
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'
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test_expect_success '"add" an existing worktree' '
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mkdir -p existing/subtree &&
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test_must_fail git worktree add --detach existing master
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'
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test_expect_success '"add" an existing empty worktree' '
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mkdir existing_empty &&
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git worktree add --detach existing_empty master
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'
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test_expect_success '"add" using shorthand - fails when no previous branch' '
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test_must_fail git worktree add existing_short -
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'
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test_expect_success '"add" using - shorthand' '
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git checkout -b newbranch &&
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echo hello >myworld &&
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git add myworld &&
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git commit -m myworld &&
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git checkout master &&
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git worktree add short-hand - &&
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echo refs/heads/newbranch >expect &&
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git -C short-hand rev-parse --symbolic-full-name HEAD >actual &&
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test_cmp expect actual
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'
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test_expect_success '"add" refuses to checkout locked branch' '
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test_must_fail git worktree add zere master &&
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! test -d zere &&
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! test -d .git/worktrees/zere
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'
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test_expect_success 'checking out paths not complaining about linked checkouts' '
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(
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cd existing_empty &&
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echo dirty >>init.t &&
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git checkout master -- init.t
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)
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'
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test_expect_success '"add" worktree' '
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git rev-parse HEAD >expect &&
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git worktree add --detach here master &&
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(
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cd here &&
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test_cmp ../init.t init.t &&
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test_must_fail git symbolic-ref HEAD &&
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git rev-parse HEAD >actual &&
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test_cmp ../expect actual &&
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git fsck
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)
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'
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test_expect_success '"add" worktree with lock' '
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git rev-parse HEAD >expect &&
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git worktree add --detach --lock here-with-lock master &&
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test -f .git/worktrees/here-with-lock/locked
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'
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test_expect_success '"add" worktree from a subdir' '
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(
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mkdir sub &&
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cd sub &&
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git worktree add --detach here master &&
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cd here &&
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test_cmp ../../init.t init.t
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)
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'
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test_expect_success '"add" from a linked checkout' '
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(
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cd here &&
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git worktree add --detach nested-here master &&
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cd nested-here &&
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git fsck
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)
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'
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test_expect_success '"add" worktree creating new branch' '
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git worktree add -b newmaster there master &&
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(
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cd there &&
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test_cmp ../init.t init.t &&
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git symbolic-ref HEAD >actual &&
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echo refs/heads/newmaster >expect &&
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test_cmp expect actual &&
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git fsck
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)
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'
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test_expect_success 'die the same branch is already checked out' '
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(
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cd here &&
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test_must_fail git checkout newmaster
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)
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'
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test_expect_success SYMLINKS 'die the same branch is already checked out (symlink)' '
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head=$(git -C there rev-parse --git-path HEAD) &&
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ref=$(git -C there symbolic-ref HEAD) &&
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rm "$head" &&
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ln -s "$ref" "$head" &&
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test_must_fail git -C here checkout newmaster
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'
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test_expect_success 'not die the same branch is already checked out' '
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(
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cd here &&
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git worktree add --force anothernewmaster newmaster
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)
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'
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test_expect_success 'not die on re-checking out current branch' '
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(
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cd there &&
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git checkout newmaster
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)
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'
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test_expect_success '"add" from a bare repo' '
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(
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git clone --bare . bare &&
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cd bare &&
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git worktree add -b bare-master ../there2 master
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)
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'
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test_expect_success 'checkout from a bare repo without "add"' '
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(
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cd bare &&
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test_must_fail git checkout master
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)
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'
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test_expect_success '"add" default branch of a bare repo' '
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(
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git clone --bare . bare2 &&
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cd bare2 &&
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git worktree add ../there3 master
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)
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'
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test_expect_success 'checkout with grafts' '
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test_when_finished rm .git/info/grafts &&
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test_commit abc &&
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SHA1=$(git rev-parse HEAD) &&
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test_commit def &&
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test_commit xyz &&
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echo "$(git rev-parse HEAD) $SHA1" >.git/info/grafts &&
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cat >expected <<-\EOF &&
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xyz
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abc
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EOF
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git log --format=%s -2 >actual &&
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test_cmp expected actual &&
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git worktree add --detach grafted master &&
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git --git-dir=grafted/.git log --format=%s -2 >actual &&
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test_cmp expected actual
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'
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test_expect_success '"add" from relative HEAD' '
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test_commit a &&
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test_commit b &&
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test_commit c &&
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git rev-parse HEAD~1 >expected &&
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git worktree add relhead HEAD~1 &&
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git -C relhead rev-parse HEAD >actual &&
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test_cmp expected actual
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'
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test_expect_success '"add -b" with <branch> omitted' '
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git worktree add -b burble flornk &&
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test_cmp_rev HEAD burble
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'
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test_expect_success '"add --detach" with <branch> omitted' '
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git worktree add --detach fishhook &&
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git rev-parse HEAD >expected &&
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git -C fishhook rev-parse HEAD >actual &&
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test_cmp expected actual &&
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test_must_fail git -C fishhook symbolic-ref HEAD
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'
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test_expect_success '"add" with <branch> omitted' '
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git worktree add wiffle/bat &&
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test_cmp_rev HEAD bat
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'
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test_expect_success '"add" checks out existing branch of dwimd name' '
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git branch dwim HEAD~1 &&
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git worktree add dwim &&
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test_cmp_rev HEAD~1 dwim &&
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(
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cd dwim &&
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test_cmp_rev HEAD dwim
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)
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'
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test_expect_success '"add <path>" dwim fails with checked out branch' '
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git checkout -b test-branch &&
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test_must_fail git worktree add test-branch &&
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test_path_is_missing test-branch
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'
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test_expect_success '"add --force" with existing dwimd name doesnt die' '
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git checkout test-branch &&
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git worktree add --force test-branch
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'
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test_expect_success '"add" no auto-vivify with --detach and <branch> omitted' '
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git worktree add --detach mish/mash &&
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test_must_fail git rev-parse mash -- &&
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test_must_fail git -C mish/mash symbolic-ref HEAD
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'
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test_expect_success '"add" -b/-B mutually exclusive' '
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test_must_fail git worktree add -b poodle -B poodle bamboo master
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'
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test_expect_success '"add" -b/--detach mutually exclusive' '
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test_must_fail git worktree add -b poodle --detach bamboo master
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'
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test_expect_success '"add" -B/--detach mutually exclusive' '
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test_must_fail git worktree add -B poodle --detach bamboo master
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'
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test_expect_success '"add -B" fails if the branch is checked out' '
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git rev-parse newmaster >before &&
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test_must_fail git worktree add -B newmaster bamboo master &&
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git rev-parse newmaster >after &&
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test_cmp before after
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'
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test_expect_success 'add -B' '
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git worktree add -B poodle bamboo2 master^ &&
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git -C bamboo2 symbolic-ref HEAD >actual &&
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echo refs/heads/poodle >expected &&
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test_cmp expected actual &&
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test_cmp_rev master^ poodle
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'
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test_expect_success 'add --quiet' '
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git worktree add --quiet another-worktree master 2>actual &&
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test_must_be_empty actual
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'
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test_expect_success 'local clone from linked checkout' '
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git clone --local here here-clone &&
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( cd here-clone && git fsck )
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'
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test_expect_success 'local clone --shared from linked checkout' '
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git -C bare worktree add --detach ../baretree &&
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git clone --local --shared baretree bare-clone &&
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grep /bare/ bare-clone/.git/objects/info/alternates
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'
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test_expect_success '"add" worktree with --no-checkout' '
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git worktree add --no-checkout -b swamp swamp &&
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! test -e swamp/init.t &&
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git -C swamp reset --hard &&
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test_cmp init.t swamp/init.t
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'
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test_expect_success '"add" worktree with --checkout' '
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git worktree add --checkout -b swmap2 swamp2 &&
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test_cmp init.t swamp2/init.t
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'
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test_expect_success 'put a worktree under rebase' '
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git worktree add under-rebase &&
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(
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cd under-rebase &&
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set_fake_editor &&
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FAKE_LINES="edit 1" git rebase -i HEAD^ &&
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git worktree list | grep "under-rebase.*detached HEAD"
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)
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'
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test_expect_success 'add a worktree, checking out a rebased branch' '
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test_must_fail git worktree add new-rebase under-rebase &&
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! test -d new-rebase
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'
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test_expect_success 'checking out a rebased branch from another worktree' '
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git worktree add new-place &&
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test_must_fail git -C new-place checkout under-rebase
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'
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test_expect_success 'not allow to delete a branch under rebase' '
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(
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cd under-rebase &&
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test_must_fail git branch -D under-rebase
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)
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'
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test_expect_success 'rename a branch under rebase not allowed' '
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test_must_fail git branch -M under-rebase rebase-with-new-name
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'
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test_expect_success 'check out from current worktree branch ok' '
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(
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cd under-rebase &&
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git checkout under-rebase &&
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git checkout - &&
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git rebase --abort
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)
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'
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test_expect_success 'checkout a branch under bisect' '
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git worktree add under-bisect &&
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(
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cd under-bisect &&
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git bisect start &&
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git bisect bad &&
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git bisect good HEAD~2 &&
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git worktree list | grep "under-bisect.*detached HEAD" &&
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test_must_fail git worktree add new-bisect under-bisect &&
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! test -d new-bisect
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)
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'
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test_expect_success 'rename a branch under bisect not allowed' '
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test_must_fail git branch -M under-bisect bisect-with-new-name
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'
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# Is branch "refs/heads/$1" set to pull from "$2/$3"?
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test_branch_upstream () {
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printf "%s\n" "$2" "refs/heads/$3" >expect.upstream &&
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{
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git config "branch.$1.remote" &&
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git config "branch.$1.merge"
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} >actual.upstream &&
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test_cmp expect.upstream actual.upstream
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}
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test_expect_success '--track sets up tracking' '
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test_when_finished rm -rf track &&
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git worktree add --track -b track track master &&
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test_branch_upstream track . master
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'
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# setup remote repository $1 and repository $2 with $1 set up as
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# remote. The remote has two branches, master and foo.
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setup_remote_repo () {
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git init $1 &&
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(
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cd $1 &&
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test_commit $1_master &&
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git checkout -b foo &&
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test_commit upstream_foo
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) &&
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git init $2 &&
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(
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cd $2 &&
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test_commit $2_master &&
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git remote add $1 ../$1 &&
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git config remote.$1.fetch \
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"refs/heads/*:refs/remotes/$1/*" &&
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git fetch --all
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)
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}
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test_expect_success '--no-track avoids setting up tracking' '
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test_when_finished rm -rf repo_upstream repo_local foo &&
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setup_remote_repo repo_upstream repo_local &&
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(
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cd repo_local &&
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git worktree add --no-track -b foo ../foo repo_upstream/foo
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) &&
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(
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cd foo &&
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test_must_fail git config "branch.foo.remote" &&
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test_must_fail git config "branch.foo.merge" &&
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test_cmp_rev refs/remotes/repo_upstream/foo refs/heads/foo
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)
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'
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test_expect_success '"add" <path> <non-existent-branch> fails' '
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test_must_fail git worktree add foo non-existent
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'
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test_expect_success '"add" <path> <branch> dwims' '
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test_when_finished rm -rf repo_upstream repo_dwim foo &&
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setup_remote_repo repo_upstream repo_dwim &&
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git init repo_dwim &&
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(
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cd repo_dwim &&
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git worktree add ../foo foo
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) &&
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(
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cd foo &&
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test_branch_upstream foo repo_upstream foo &&
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test_cmp_rev refs/remotes/repo_upstream/foo refs/heads/foo
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)
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'
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test_expect_success '"add" <path> <branch> dwims with checkout.defaultRemote' '
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test_when_finished rm -rf repo_upstream repo_dwim foo &&
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setup_remote_repo repo_upstream repo_dwim &&
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git init repo_dwim &&
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(
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cd repo_dwim &&
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git remote add repo_upstream2 ../repo_upstream &&
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git fetch repo_upstream2 &&
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test_must_fail git worktree add ../foo foo &&
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git -c checkout.defaultRemote=repo_upstream worktree add ../foo foo &&
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git status -uno --porcelain >status.actual &&
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test_must_be_empty status.actual
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) &&
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(
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cd foo &&
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test_branch_upstream foo repo_upstream foo &&
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test_cmp_rev refs/remotes/repo_upstream/foo refs/heads/foo
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)
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'
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test_expect_success 'git worktree add does not match remote' '
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test_when_finished rm -rf repo_a repo_b foo &&
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setup_remote_repo repo_a repo_b &&
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(
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cd repo_b &&
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git worktree add ../foo
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) &&
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(
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cd foo &&
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test_must_fail git config "branch.foo.remote" &&
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test_must_fail git config "branch.foo.merge" &&
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test_cmp_rev ! refs/remotes/repo_a/foo refs/heads/foo
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)
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'
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test_expect_success 'git worktree add --guess-remote sets up tracking' '
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test_when_finished rm -rf repo_a repo_b foo &&
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setup_remote_repo repo_a repo_b &&
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(
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cd repo_b &&
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git worktree add --guess-remote ../foo
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) &&
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(
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cd foo &&
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test_branch_upstream foo repo_a foo &&
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test_cmp_rev refs/remotes/repo_a/foo refs/heads/foo
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)
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'
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test_expect_success 'git worktree add with worktree.guessRemote sets up tracking' '
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test_when_finished rm -rf repo_a repo_b foo &&
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setup_remote_repo repo_a repo_b &&
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(
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cd repo_b &&
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git config worktree.guessRemote true &&
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git worktree add ../foo
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) &&
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(
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cd foo &&
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test_branch_upstream foo repo_a foo &&
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test_cmp_rev refs/remotes/repo_a/foo refs/heads/foo
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)
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'
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test_expect_success 'git worktree --no-guess-remote option overrides config' '
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test_when_finished rm -rf repo_a repo_b foo &&
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setup_remote_repo repo_a repo_b &&
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(
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cd repo_b &&
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git config worktree.guessRemote true &&
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git worktree add --no-guess-remote ../foo
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) &&
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(
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cd foo &&
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test_must_fail git config "branch.foo.remote" &&
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test_must_fail git config "branch.foo.merge" &&
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test_cmp_rev ! refs/remotes/repo_a/foo refs/heads/foo
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)
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'
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post_checkout_hook () {
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gitdir=${1:-.git}
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test_when_finished "rm -f $gitdir/hooks/post-checkout" &&
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mkdir -p $gitdir/hooks &&
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write_script $gitdir/hooks/post-checkout <<-\EOF
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{
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echo $*
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git rev-parse --git-dir --show-toplevel
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} >hook.actual
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EOF
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}
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test_expect_success '"add" invokes post-checkout hook (branch)' '
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post_checkout_hook &&
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{
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echo $ZERO_OID $(git rev-parse HEAD) 1 &&
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echo $(pwd)/.git/worktrees/gumby &&
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echo $(pwd)/gumby
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} >hook.expect &&
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git worktree add gumby &&
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test_cmp hook.expect gumby/hook.actual
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'
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test_expect_success '"add" invokes post-checkout hook (detached)' '
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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" not tripped up by magic worktree matching"' '
|
|
# if worktree "sub1/bar" exists, "git worktree add bar" in distinct
|
|
# directory `sub2` should not mistakenly complain that `bar` is an
|
|
# already-registered worktree
|
|
mkdir sub1 sub2 &&
|
|
git -C sub1 --git-dir=../.git worktree add --detach bozo &&
|
|
git -C sub2 --git-dir=../.git worktree add --detach bozo
|
|
'
|
|
|
|
test_expect_success FUNNYNAMES 'sanitize generated worktree name' '
|
|
git worktree add --detach ". weird*..?.lock.lock" &&
|
|
test -d .git/worktrees/---weird-.-
|
|
'
|
|
|
|
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_expect_success '"add" with uninitialized submodule, with submodule.recurse unset' '
|
|
test_create_repo submodule &&
|
|
test_commit -C submodule first &&
|
|
test_create_repo project &&
|
|
git -C project submodule add ../submodule &&
|
|
git -C project add submodule &&
|
|
test_tick &&
|
|
git -C project commit -m add_sub &&
|
|
git clone project project-clone &&
|
|
git -C project-clone worktree add ../project-2
|
|
'
|
|
test_expect_success '"add" with uninitialized submodule, with submodule.recurse set' '
|
|
git -C project-clone -c submodule.recurse worktree add ../project-3
|
|
'
|
|
|
|
test_expect_success '"add" with initialized submodule, with submodule.recurse unset' '
|
|
git -C project-clone submodule update --init &&
|
|
git -C project-clone worktree add ../project-4
|
|
'
|
|
|
|
test_expect_success '"add" with initialized submodule, with submodule.recurse set' '
|
|
git -C project-clone -c submodule.recurse worktree add ../project-5
|
|
'
|
|
|
|
test_done
|