420 lines
12 KiB
Bash
Executable File
420 lines
12 KiB
Bash
Executable File
#!/bin/sh
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test_description='git fsck random collection of tests
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* (HEAD) B
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* (master) A
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'
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. ./test-lib.sh
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test_expect_success setup '
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git config gc.auto 0 &&
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git config i18n.commitencoding ISO-8859-1 &&
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test_commit A fileA one &&
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git config --unset i18n.commitencoding &&
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git checkout HEAD^0 &&
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test_commit B fileB two &&
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git tag -d A B &&
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git reflog expire --expire=now --all &&
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>empty
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'
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test_expect_success 'loose objects borrowed from alternate are not missing' '
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mkdir another &&
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(
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cd another &&
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git init &&
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echo ../../../.git/objects >.git/objects/info/alternates &&
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test_commit C fileC one &&
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git fsck --no-dangling >../actual 2>&1
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) &&
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test_cmp empty actual
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'
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test_expect_success 'HEAD is part of refs, valid objects appear valid' '
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git fsck >actual 2>&1 &&
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test_cmp empty actual
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'
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# Corruption tests follow. Make sure to remove all traces of the
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# specific corruption you test afterwards, lest a later test trip over
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# it.
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test_expect_success 'setup: helpers for corruption tests' '
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sha1_file() {
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echo "$*" | sed "s#..#.git/objects/&/#"
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} &&
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remove_object() {
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file=$(sha1_file "$*") &&
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test -e "$file" &&
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rm -f "$file"
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}
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'
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test_expect_success 'object with bad sha1' '
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sha=$(echo blob | git hash-object -w --stdin) &&
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old=$(echo $sha | sed "s+^..+&/+") &&
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new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
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sha="$(dirname $new)$(basename $new)" &&
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mv .git/objects/$old .git/objects/$new &&
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test_when_finished "remove_object $sha" &&
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git update-index --add --cacheinfo 100644 $sha foo &&
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test_when_finished "git read-tree -u --reset HEAD" &&
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tree=$(git write-tree) &&
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test_when_finished "remove_object $tree" &&
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cmt=$(echo bogus | git commit-tree $tree) &&
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test_when_finished "remove_object $cmt" &&
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git update-ref refs/heads/bogus $cmt &&
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test_when_finished "git update-ref -d refs/heads/bogus" &&
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test_must_fail git fsck 2>out &&
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cat out &&
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grep "$sha.*corrupt" out
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'
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test_expect_success 'branch pointing to non-commit' '
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git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
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test_when_finished "git update-ref -d refs/heads/invalid" &&
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git fsck 2>out &&
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cat out &&
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grep "not a commit" out
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'
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test_expect_success 'email without @ is okay' '
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git cat-file commit HEAD >basis &&
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sed "s/@/AT/" basis >okay &&
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new=$(git hash-object -t commit -w --stdin <okay) &&
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test_when_finished "remove_object $new" &&
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git update-ref refs/heads/bogus "$new" &&
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test_when_finished "git update-ref -d refs/heads/bogus" &&
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git fsck 2>out &&
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cat out &&
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! grep "commit $new" out
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'
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test_expect_success 'email with embedded > is not okay' '
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git cat-file commit HEAD >basis &&
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sed "s/@[a-z]/&>/" basis >bad-email &&
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new=$(git hash-object -t commit -w --stdin <bad-email) &&
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test_when_finished "remove_object $new" &&
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git update-ref refs/heads/bogus "$new" &&
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test_when_finished "git update-ref -d refs/heads/bogus" &&
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test_must_fail git fsck 2>out &&
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cat out &&
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grep "error in commit $new" out
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'
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test_expect_success 'missing < email delimiter is reported nicely' '
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git cat-file commit HEAD >basis &&
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sed "s/<//" basis >bad-email-2 &&
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new=$(git hash-object -t commit -w --stdin <bad-email-2) &&
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test_when_finished "remove_object $new" &&
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git update-ref refs/heads/bogus "$new" &&
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test_when_finished "git update-ref -d refs/heads/bogus" &&
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test_must_fail git fsck 2>out &&
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cat out &&
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grep "error in commit $new.* - bad name" out
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'
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test_expect_success 'missing email is reported nicely' '
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git cat-file commit HEAD >basis &&
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sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 &&
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new=$(git hash-object -t commit -w --stdin <bad-email-3) &&
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test_when_finished "remove_object $new" &&
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git update-ref refs/heads/bogus "$new" &&
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test_when_finished "git update-ref -d refs/heads/bogus" &&
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test_must_fail git fsck 2>out &&
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cat out &&
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grep "error in commit $new.* - missing email" out
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'
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test_expect_success '> in name is reported' '
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git cat-file commit HEAD >basis &&
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sed "s/ </> </" basis >bad-email-4 &&
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new=$(git hash-object -t commit -w --stdin <bad-email-4) &&
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test_when_finished "remove_object $new" &&
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git update-ref refs/heads/bogus "$new" &&
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test_when_finished "git update-ref -d refs/heads/bogus" &&
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test_must_fail git fsck 2>out &&
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cat out &&
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grep "error in commit $new" out
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'
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# date is 2^64 + 1
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test_expect_success 'integer overflow in timestamps is reported' '
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git cat-file commit HEAD >basis &&
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sed "s/^\\(author .*>\\) [0-9]*/\\1 18446744073709551617/" \
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<basis >bad-timestamp &&
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new=$(git hash-object -t commit -w --stdin <bad-timestamp) &&
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test_when_finished "remove_object $new" &&
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git update-ref refs/heads/bogus "$new" &&
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test_when_finished "git update-ref -d refs/heads/bogus" &&
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test_must_fail git fsck 2>out &&
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cat out &&
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grep "error in commit $new.*integer overflow" out
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'
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test_expect_success 'malformatted tree object' '
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test_when_finished "git update-ref -d refs/tags/wrong" &&
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test_when_finished "remove_object \$T" &&
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T=$(
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GIT_INDEX_FILE=test-index &&
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export GIT_INDEX_FILE &&
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rm -f test-index &&
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>x &&
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git add x &&
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T=$(git write-tree) &&
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(
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git cat-file tree $T &&
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git cat-file tree $T
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) |
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git hash-object -w -t tree --stdin
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) &&
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test_must_fail git fsck 2>out &&
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grep "error in tree .*contains duplicate file entries" out
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'
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test_expect_success 'tag pointing to nonexistent' '
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cat >invalid-tag <<-\EOF &&
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object ffffffffffffffffffffffffffffffffffffffff
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type commit
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tag invalid
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tagger T A Gger <tagger@example.com> 1234567890 -0000
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This is an invalid tag.
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EOF
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tag=$(git hash-object -t tag -w --stdin <invalid-tag) &&
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test_when_finished "remove_object $tag" &&
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echo $tag >.git/refs/tags/invalid &&
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test_when_finished "git update-ref -d refs/tags/invalid" &&
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test_must_fail git fsck --tags >out &&
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cat out &&
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grep "broken link" out
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'
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test_expect_success 'tag pointing to something else than its type' '
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sha=$(echo blob | git hash-object -w --stdin) &&
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test_when_finished "remove_object $sha" &&
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cat >wrong-tag <<-EOF &&
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object $sha
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type commit
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tag wrong
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tagger T A Gger <tagger@example.com> 1234567890 -0000
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This is an invalid tag.
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EOF
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tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
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test_when_finished "remove_object $tag" &&
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echo $tag >.git/refs/tags/wrong &&
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test_when_finished "git update-ref -d refs/tags/wrong" &&
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test_must_fail git fsck --tags
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'
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test_expect_success 'tag with incorrect tag name & missing tagger' '
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sha=$(git rev-parse HEAD) &&
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cat >wrong-tag <<-EOF &&
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object $sha
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type commit
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tag wrong name format
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This is an invalid tag.
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EOF
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tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
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test_when_finished "remove_object $tag" &&
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echo $tag >.git/refs/tags/wrong &&
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test_when_finished "git update-ref -d refs/tags/wrong" &&
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git fsck --tags 2>out &&
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grep "invalid .tag. name" out &&
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grep "expected .tagger. line" out
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'
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test_expect_success 'tag with bad tagger' '
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sha=$(git rev-parse HEAD) &&
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cat >wrong-tag <<-EOF &&
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object $sha
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type commit
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tag not-quite-wrong
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tagger Bad Tagger Name
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This is an invalid tag.
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EOF
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tag=$(git hash-object --literally -t tag -w --stdin <wrong-tag) &&
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test_when_finished "remove_object $tag" &&
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echo $tag >.git/refs/tags/wrong &&
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test_when_finished "git update-ref -d refs/tags/wrong" &&
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test_must_fail git fsck --tags 2>out &&
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grep "error in tag .*: invalid author/committer" out
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'
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test_expect_success 'cleaned up' '
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git fsck >actual 2>&1 &&
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test_cmp empty actual
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'
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test_expect_success 'rev-list --verify-objects' '
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git rev-list --verify-objects --all >/dev/null 2>out &&
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test_cmp empty out
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'
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test_expect_success 'rev-list --verify-objects with bad sha1' '
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sha=$(echo blob | git hash-object -w --stdin) &&
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old=$(echo $sha | sed "s+^..+&/+") &&
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new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
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sha="$(dirname $new)$(basename $new)" &&
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mv .git/objects/$old .git/objects/$new &&
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test_when_finished "remove_object $sha" &&
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git update-index --add --cacheinfo 100644 $sha foo &&
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test_when_finished "git read-tree -u --reset HEAD" &&
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tree=$(git write-tree) &&
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test_when_finished "remove_object $tree" &&
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cmt=$(echo bogus | git commit-tree $tree) &&
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test_when_finished "remove_object $cmt" &&
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git update-ref refs/heads/bogus $cmt &&
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test_when_finished "git update-ref -d refs/heads/bogus" &&
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test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
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cat out &&
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grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
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'
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_bz='\0'
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_bz5="$_bz$_bz$_bz$_bz$_bz"
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_bz20="$_bz5$_bz5$_bz5$_bz5"
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test_expect_success 'fsck notices blob entry pointing to null sha1' '
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(git init null-blob &&
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cd null-blob &&
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sha=$(printf "100644 file$_bz$_bz20" |
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git hash-object -w --stdin -t tree) &&
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git fsck 2>out &&
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cat out &&
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grep "warning.*null sha1" out
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)
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'
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test_expect_success 'fsck notices submodule entry pointing to null sha1' '
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(git init null-commit &&
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cd null-commit &&
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sha=$(printf "160000 submodule$_bz$_bz20" |
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git hash-object -w --stdin -t tree) &&
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git fsck 2>out &&
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cat out &&
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grep "warning.*null sha1" out
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)
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'
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while read name path pretty; do
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while read mode type; do
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: ${pretty:=$path}
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test_expect_success "fsck notices $pretty as $type" '
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(
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git init $name-$type &&
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cd $name-$type &&
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echo content >file &&
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git add file &&
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git commit -m base &&
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blob=$(git rev-parse :file) &&
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tree=$(git rev-parse HEAD^{tree}) &&
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value=$(eval "echo \$$type") &&
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printf "$mode $type %s\t%s" "$value" "$path" >bad &&
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bad_tree=$(git mktree <bad) &&
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git fsck 2>out &&
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cat out &&
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grep "warning.*tree $bad_tree" out
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)'
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done <<-\EOF
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100644 blob
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040000 tree
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EOF
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done <<-EOF
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dot .
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dotdot ..
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dotgit .git
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dotgit-case .GIT
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dotgit-unicode .gI${u200c}T .gI{u200c}T
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dotgit-case2 .Git
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git-tilde1 git~1
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dotgitdot .git.
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dot-backslash-case .\\\\.GIT\\\\foobar
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dotgit-case-backslash .git\\\\foobar
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EOF
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test_expect_success 'fsck allows .Ňit' '
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(
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git init not-dotgit &&
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cd not-dotgit &&
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echo content >file &&
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git add file &&
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git commit -m base &&
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blob=$(git rev-parse :file) &&
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printf "100644 blob $blob\t.\\305\\207it" >tree &&
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tree=$(git mktree <tree) &&
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git fsck 2>err &&
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test_line_count = 0 err
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)
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'
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# create a static test repo which is broken by omitting
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# one particular object ($1, which is looked up via rev-parse
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# in the new repository).
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create_repo_missing () {
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rm -rf missing &&
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git init missing &&
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(
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cd missing &&
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git commit -m one --allow-empty &&
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mkdir subdir &&
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echo content >subdir/file &&
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git add subdir/file &&
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git commit -m two &&
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unrelated=$(echo unrelated | git hash-object --stdin -w) &&
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git tag -m foo tag $unrelated &&
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sha1=$(git rev-parse --verify "$1") &&
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path=$(echo $sha1 | sed 's|..|&/|') &&
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rm .git/objects/$path
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)
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}
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test_expect_success 'fsck notices missing blob' '
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create_repo_missing HEAD:subdir/file &&
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test_must_fail git -C missing fsck
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'
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test_expect_success 'fsck notices missing subtree' '
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create_repo_missing HEAD:subdir &&
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test_must_fail git -C missing fsck
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'
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test_expect_success 'fsck notices missing root tree' '
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create_repo_missing HEAD^{tree} &&
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test_must_fail git -C missing fsck
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'
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test_expect_success 'fsck notices missing parent' '
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create_repo_missing HEAD^ &&
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test_must_fail git -C missing fsck
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'
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test_expect_success 'fsck notices missing tagged object' '
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create_repo_missing tag^{blob} &&
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test_must_fail git -C missing fsck
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'
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test_expect_success 'fsck notices ref pointing to missing commit' '
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create_repo_missing HEAD &&
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test_must_fail git -C missing fsck
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'
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test_expect_success 'fsck notices ref pointing to missing tag' '
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create_repo_missing tag &&
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test_must_fail git -C missing fsck
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'
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test_done
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