t5613-info-alternate.sh [plain text]
#!/bin/sh
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
)
'
test_expect_success 'count-objects shows the alternates' '
cat >expect <<-EOF &&
alternate: $(pwd)/B/.git/objects
alternate: $(pwd)/A/.git/objects
EOF
git -C C count-objects -v >actual &&
grep ^alternate: actual >actual.alternates &&
test_cmp expect actual.alternates
'
test_expect_success 'creating too deep nesting' '
git clone -l -s C D &&
git clone -l -s D E &&
git clone -l -s E F &&
git clone -l -s F G &&
git clone --bare -l -s G H
'
test_expect_success 'validity of seventh repository' '
git -C G fsck
'
test_expect_success 'invalidity of eighth repository' '
test_must_fail git -C H fsck
'
test_expect_success 'breaking of loops' '
echo "$(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 recursive' '
git -C D fsck
'
test_expect_success 'relative duplicates are eliminated' '
mkdir -p deep/subdir &&
git init --bare deep/subdir/duplicate.git &&
cat >deep/subdir/duplicate.git/objects/info/alternates <<-\EOF &&
../../../../C/.git/objects
../../../../A/.git/objects
EOF
cat >expect <<-EOF &&
alternate: $(pwd)/C/.git/objects
alternate: $(pwd)/B/.git/objects
alternate: $(pwd)/A/.git/objects
EOF
git -C deep/subdir/duplicate.git count-objects -v >actual &&
grep ^alternate: actual >actual.alternates &&
test_cmp expect actual.alternates
'
test_expect_success CASE_INSENSITIVE_FS 'dup finding can be case-insensitive' '
git init --bare insensitive.git &&
cat >insensitive.git/objects/info/alternates <<-\EOF &&
../../C/.git/objects
../../a/.git/objects
EOF
cat >expect <<-EOF &&
alternate: $(pwd)/C/.git/objects
alternate: $(pwd)/B/.git/objects
alternate: $(pwd)/A/.git/objects
EOF
git -C insensitive.git count-objects -v >actual &&
grep ^alternate: actual >actual.alternates &&
test_cmp expect actual.alternates
'
test_done