git/t/t5613-info-alternate.sh

#!/bin/sh
#
# Copyright (C) 2006 Martin Waitz <tali@admingilde.org>
#

test_description='test transitive info/alternate entries'
. ./test-lib.sh

base_dir=$(pwd)

test_expect_success 'preparing first repository' '
	test_create_repo A &&
	cd A &&
	echo "Hello World" > file1 &&
	git add file1 &&
	git commit -m "Initial commit" file1 &&
	git repack -a -d &&
	git prune
'

cd "$base_dir"

test_expect_success 'preparing second repository' '
	git clone -l -s A B &&
	cd B &&
	echo "foo bar" > file2 &&
	git add file2 &&
	git commit -m "next commit" file2 &&
	git repack -a -d -l &&
	git prune
'

cd "$base_dir"

test_expect_success 'preparing third repository' '
	git clone -l -s B C &&
	cd C &&
	echo "Goodbye, cruel world" > file3 &&
	git add file3 &&
	git commit -m "one more" file3 &&
	git repack -a -d -l &&
	git prune
'

cd "$base_dir"

test_expect_success 'creating too deep nesting' '
	git clone -l -s C D &&
	git clone -l -s D E &&
	git clone -l -s E F &&
	git clone -l -s F G &&
	git clone --bare -l -s G H
'

test_expect_success 'invalidity of deepest repository' '
	cd H &&
	test_must_fail git fsck
'

cd "$base_dir"

test_expect_success 'validity of third repository' '
	cd C &&
	git fsck
'

cd "$base_dir"

test_expect_success 'validity of fourth repository' '
	cd D &&
	git fsck
'

cd "$base_dir"

test_expect_success 'breaking of loops' '
	echo "$base_dir"/B/.git/objects >>"$base_dir"/A/.git/objects/info/alternatesi &&
	cd C &&
	git fsck
'

cd "$base_dir"

test_expect_success 'that info/alternates is necessary' '
	cd C &&
	rm -f .git/objects/info/alternates &&
	test_must_fail git fsck
'

cd "$base_dir"

test_expect_success 'that relative alternate is possible for current dir' '
	cd C &&
	echo "../../../B/.git/objects" > .git/objects/info/alternates &&
	git fsck
'

cd "$base_dir"

test_expect_success 'that relative alternate is only possible for current dir' '
	cd D &&
	test_must_fail git fsck
'

cd "$base_dir"

test_done