142 lines
3.9 KiB
Bash
Executable File
142 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (C) 2006 Martin Waitz <tali@admingilde.org>
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#
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test_description='test transitive info/alternate entries'
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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test_expect_success 'preparing first repository' '
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test_create_repo A && (
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cd A &&
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echo "Hello World" > file1 &&
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git add file1 &&
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git commit -m "Initial commit" file1 &&
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git repack -a -d &&
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git prune
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)
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'
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test_expect_success 'preparing second repository' '
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git clone -l -s A B && (
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cd B &&
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echo "foo bar" > file2 &&
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git add file2 &&
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git commit -m "next commit" file2 &&
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git repack -a -d -l &&
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git prune
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)
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'
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test_expect_success 'preparing third repository' '
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git clone -l -s B C && (
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cd C &&
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echo "Goodbye, cruel world" > file3 &&
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git add file3 &&
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git commit -m "one more" file3 &&
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git repack -a -d -l &&
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git prune
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)
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'
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test_expect_success 'count-objects shows the alternates' '
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cat >expect <<-EOF &&
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alternate: $(pwd)/B/.git/objects
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alternate: $(pwd)/A/.git/objects
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EOF
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git -C C count-objects -v >actual &&
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grep ^alternate: actual >actual.alternates &&
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test_cmp expect actual.alternates
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'
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# Note: These tests depend on the hard-coded value of 5 as the maximum depth
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# we will follow recursion. We start the depth at 0 and count links, not
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# repositories. This means that in a chain like:
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#
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# A --> B --> C --> D --> E --> F --> G --> H
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# 0 1 2 3 4 5 6
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#
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# we are OK at "G", but break at "H", even though "H" is actually the 8th
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# repository, not the 6th, which you might expect. Counting the links allows
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# N+1 repositories, and counting from 0 to 5 inclusive allows 6 links.
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#
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# Note also that we must use "--bare -l" to make the link to H. The "-l"
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# ensures we do not do a connectivity check, and the "--bare" makes sure
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# we do not try to checkout the result (which needs objects), either of
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# which would cause the clone to fail.
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test_expect_success 'creating too deep nesting' '
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git clone -l -s C D &&
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git clone -l -s D E &&
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git clone -l -s E F &&
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git clone -l -s F G &&
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git clone --bare -l -s G H
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'
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test_expect_success 'validity of seventh repository' '
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git -C G fsck
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'
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test_expect_success 'invalidity of eighth repository' '
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test_must_fail git -C H fsck
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'
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test_expect_success 'breaking of loops' '
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echo "$(pwd)"/B/.git/objects >>A/.git/objects/info/alternates &&
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git -C C fsck
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'
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test_expect_success 'that info/alternates is necessary' '
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rm -f C/.git/objects/info/alternates &&
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test_must_fail git -C C fsck
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'
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test_expect_success 'that relative alternate is possible for current dir' '
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echo "../../../B/.git/objects" >C/.git/objects/info/alternates &&
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git fsck
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'
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test_expect_success 'that relative alternate is recursive' '
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git -C D fsck
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'
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# we can reach "A" from our new repo both directly, and via "C".
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# The deep/subdir is there to make sure we are not doing a stupid
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# pure-text comparison of the alternate names.
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test_expect_success 'relative duplicates are eliminated' '
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mkdir -p deep/subdir &&
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git init --bare deep/subdir/duplicate.git &&
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cat >deep/subdir/duplicate.git/objects/info/alternates <<-\EOF &&
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../../../../C/.git/objects
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../../../../A/.git/objects
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EOF
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cat >expect <<-EOF &&
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alternate: $(pwd)/C/.git/objects
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alternate: $(pwd)/B/.git/objects
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alternate: $(pwd)/A/.git/objects
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EOF
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git -C deep/subdir/duplicate.git count-objects -v >actual &&
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grep ^alternate: actual >actual.alternates &&
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test_cmp expect actual.alternates
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'
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test_expect_success CASE_INSENSITIVE_FS 'dup finding can be case-insensitive' '
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git init --bare insensitive.git &&
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# the previous entry for "A" will have used uppercase
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cat >insensitive.git/objects/info/alternates <<-\EOF &&
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../../C/.git/objects
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../../a/.git/objects
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EOF
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cat >expect <<-EOF &&
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alternate: $(pwd)/C/.git/objects
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alternate: $(pwd)/B/.git/objects
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alternate: $(pwd)/A/.git/objects
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EOF
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git -C insensitive.git count-objects -v >actual &&
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grep ^alternate: actual >actual.alternates &&
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test_cmp expect actual.alternates
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'
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test_done
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