git/t/t2026-prune-linked-checkouts.sh
Nguyễn Thái Ngọc Duy 23af91d102 prune: strategies for linked checkouts
(alias R=$GIT_COMMON_DIR/worktrees/<id>)

 - linked checkouts are supposed to keep its location in $R/gitdir up
   to date. The use case is auto fixup after a manual checkout move.

 - linked checkouts are supposed to update mtime of $R/gitdir. If
   $R/gitdir's mtime is older than a limit, and it points to nowhere,
   worktrees/<id> is to be pruned.

 - If $R/locked exists, worktrees/<id> is not supposed to be pruned. If
   $R/locked exists and $R/gitdir's mtime is older than a really long
   limit, warn about old unused repo.

 - "git checkout --to" is supposed to make a hard link named $R/link
   pointing to the .git file on supported file systems to help detect
   the user manually deleting the checkout. If $R/link exists and its
   link count is greated than 1, the repo is kept.

Helped-by: Marc Branchaud <marcnarc@xiplink.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Marc Branchaud <marcnarc@xiplink.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-01 11:00:17 -08:00

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#!/bin/sh
test_description='prune $GIT_DIR/worktrees'
. ./test-lib.sh
test_expect_success 'prune --worktrees on normal repo' '
git prune --worktrees &&
test_must_fail git prune --worktrees abc
'
test_expect_success 'prune files inside $GIT_DIR/worktrees' '
mkdir .git/worktrees &&
: >.git/worktrees/abc &&
git prune --worktrees --verbose >actual &&
cat >expect <<EOF &&
Removing worktrees/abc: not a valid directory
EOF
test_i18ncmp expect actual &&
! test -f .git/worktrees/abc &&
! test -d .git/worktrees
'
test_expect_success 'prune directories without gitdir' '
mkdir -p .git/worktrees/def/abc &&
: >.git/worktrees/def/def &&
cat >expect <<EOF &&
Removing worktrees/def: gitdir file does not exist
EOF
git prune --worktrees --verbose >actual &&
test_i18ncmp expect actual &&
! test -d .git/worktrees/def &&
! test -d .git/worktrees
'
test_expect_success POSIXPERM 'prune directories with unreadable gitdir' '
mkdir -p .git/worktrees/def/abc &&
: >.git/worktrees/def/def &&
: >.git/worktrees/def/gitdir &&
chmod u-r .git/worktrees/def/gitdir &&
git prune --worktrees --verbose >actual &&
test_i18ngrep "Removing worktrees/def: unable to read gitdir file" actual &&
! test -d .git/worktrees/def &&
! test -d .git/worktrees
'
test_expect_success 'prune directories with invalid gitdir' '
mkdir -p .git/worktrees/def/abc &&
: >.git/worktrees/def/def &&
: >.git/worktrees/def/gitdir &&
git prune --worktrees --verbose >actual &&
test_i18ngrep "Removing worktrees/def: invalid gitdir file" actual &&
! test -d .git/worktrees/def &&
! test -d .git/worktrees
'
test_expect_success 'prune directories with gitdir pointing to nowhere' '
mkdir -p .git/worktrees/def/abc &&
: >.git/worktrees/def/def &&
echo "$(pwd)"/nowhere >.git/worktrees/def/gitdir &&
git prune --worktrees --verbose >actual &&
test_i18ngrep "Removing worktrees/def: gitdir file points to non-existent location" actual &&
! test -d .git/worktrees/def &&
! test -d .git/worktrees
'
test_expect_success 'not prune locked checkout' '
test_when_finished rm -r .git/worktrees
mkdir -p .git/worktrees/ghi &&
: >.git/worktrees/ghi/locked &&
git prune --worktrees &&
test -d .git/worktrees/ghi
'
test_expect_success 'not prune recent checkouts' '
test_when_finished rm -r .git/worktrees
mkdir zz &&
mkdir -p .git/worktrees/jlm &&
echo "$(pwd)"/zz >.git/worktrees/jlm/gitdir &&
git prune --worktrees --verbose --expire=2.days.ago &&
test -d .git/worktrees/jlm
'
test_done