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fa1033accc
Move a few tests into t0601 since they specifically test the packed-refs file and thus are specific to the reffiles backend. Signed-off-by: John Cai <johncai86@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
115 lines
3.7 KiB
Bash
Executable File
115 lines
3.7 KiB
Bash
Executable File
#!/bin/sh
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test_description='
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Test pruning of repositories with minor corruptions. The goal
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here is that we should always be erring on the side of safety. So
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if we see, for example, a ref with a bogus name, it is OK either to
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bail out or to proceed using it as a reachable tip, but it is _not_
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OK to proceed as if it did not exist. Otherwise we might silently
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delete objects that cannot be recovered.
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Note that we do assert command failure in these cases, because that is
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what currently happens. If that changes, these tests should be revisited.
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'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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test_expect_success 'disable reflogs' '
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git config core.logallrefupdates false &&
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git reflog expire --expire=all --all
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'
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create_bogus_ref () {
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test-tool ref-store main update-ref msg "refs/heads/bogus..name" $bogus $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
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test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/bogus..name"
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}
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test_expect_success 'create history reachable only from a bogus-named ref' '
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test_tick && git commit --allow-empty -m main &&
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base=$(git rev-parse HEAD) &&
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test_tick && git commit --allow-empty -m bogus &&
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bogus=$(git rev-parse HEAD) &&
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git cat-file commit $bogus >saved &&
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git reset --hard HEAD^
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'
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test_expect_success 'pruning does not drop bogus object' '
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test_when_finished "git hash-object -w -t commit saved" &&
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create_bogus_ref &&
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test_must_fail git prune --expire=now &&
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git cat-file -e $bogus
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'
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test_expect_success 'put bogus object into pack' '
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git tag reachable $bogus &&
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git repack -ad &&
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git tag -d reachable &&
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git cat-file -e $bogus
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'
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test_expect_success 'non-destructive repack bails on bogus ref' '
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create_bogus_ref &&
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test_must_fail git repack -adk
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'
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test_expect_success 'GIT_REF_PARANOIA=0 overrides safety' '
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create_bogus_ref &&
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GIT_REF_PARANOIA=0 git repack -adk
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'
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test_expect_success 'destructive repack keeps packed object' '
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create_bogus_ref &&
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test_must_fail git repack -Ad --unpack-unreachable=now &&
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git cat-file -e $bogus &&
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test_must_fail git repack -ad &&
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git cat-file -e $bogus
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'
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test_expect_success 'destructive repack not confused by dangling symref' '
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test_when_finished "git symbolic-ref -d refs/heads/dangling" &&
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git symbolic-ref refs/heads/dangling refs/heads/does-not-exist &&
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git repack -ad &&
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test_must_fail git cat-file -e $bogus
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'
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# We create two new objects here, "one" and "two". Our
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# main branch points to "two", which is deleted,
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# corrupting the repository. But we'd like to make sure
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# that the otherwise unreachable "one" is not pruned
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# (since it is the user's best bet for recovering
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# from the corruption).
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#
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# Note that we also point HEAD somewhere besides "two",
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# as we want to make sure we test the case where we
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# pick up the reference to "two" by iterating the refs,
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# not by resolving HEAD.
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test_expect_success 'create history with missing tip commit' '
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test_tick && git commit --allow-empty -m one &&
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recoverable=$(git rev-parse HEAD) &&
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git cat-file commit $recoverable >saved &&
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test_tick && git commit --allow-empty -m two &&
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missing=$(git rev-parse HEAD) &&
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git checkout --detach $base &&
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rm .git/objects/$(echo $missing | sed "s,..,&/,") &&
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test_must_fail git cat-file -e $missing
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'
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test_expect_success 'pruning with a corrupted tip does not drop history' '
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test_when_finished "git hash-object -w -t commit saved" &&
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test_must_fail git prune --expire=now &&
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git cat-file -e $recoverable
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'
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test_expect_success 'pack-refs does not silently delete broken loose ref' '
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git pack-refs --all --prune &&
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echo $missing >expect &&
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git rev-parse refs/heads/main >actual &&
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test_cmp expect actual
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'
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test_done
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