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#!/bin/sh
#
# Copyright (C) 2006 Martin Waitz <tali@admingilde.org>
#
test_description='test transitive info/alternate entries'
. ./test-lib.sh
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
)
'
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
)
'
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
)
'
# Note: These tests depend on the hard-coded value of 5 as the maximum depth
# we will follow recursion. We start the depth at 0 and count links, not
# repositories. This means that in a chain like:
#
# A --> B --> C --> D --> E --> F --> G --> H
# 0 1 2 3 4 5 6
#
# we are OK at "G", but break at "H", even though "H" is actually the 8th
# repository, not the 6th, which you might expect. Counting the links allows
# N+1 repositories, and counting from 0 to 5 inclusive allows 6 links.
#
# Note also that we must use "--bare -l" to make the link to H. The "-l"
# ensures we do not do a connectivity check, and the "--bare" makes sure
# we do not try to checkout the result (which needs objects), either of
# which would cause the clone to fail.
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 'validity of seventh repository' '
git -C G fsck
'
test_expect_success 'invalidity of eighth repository' '
test_must_fail git -C H fsck
'
test_expect_success 'breaking of loops' '
echo "$(pwd)"/B/.git/objects >>A/.git/objects/info/alternates &&
git -C C fsck
'
test_expect_success 'that info/alternates is necessary' '
rm -f C/.git/objects/info/alternates &&
test_must_fail git -C C fsck
'
test_expect_success 'that relative alternate is possible for current dir' '
echo "../../../B/.git/objects" >C/.git/objects/info/alternates &&
git fsck
'
test_expect_success 'that relative alternate is only possible for current dir' '
test_must_fail git -C D fsck
'
test_done
|
