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0adc6a3d49
daae1922 (fsck: check ident lines in commit objects, 2010-04-24)
taught fsck to expect commit objects to have the form
tree <object name>
<parents>
author <valid ident string>
committer <valid ident string>
log message
The check is overly strict: for example, it errors out with the
message “expected blank line” for perfectly valid commits with an
"encoding ISO-8859-1" line.
Later it might make sense to teach fsck about the rest of the header
and warn about unrecognized header lines, but for simplicity, let’s
accept arbitrary trailing lines for now.
Reported-by: Tuncer Ayaz <tuncer.ayaz@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
135 lines
3.4 KiB
Bash
Executable File
135 lines
3.4 KiB
Bash
Executable File
#!/bin/sh
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test_description='git fsck random collection of tests'
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. ./test-lib.sh
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test_expect_success setup '
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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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'
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test_expect_success 'HEAD is part of refs' '
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test 0 = $(git fsck | wc -l)
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'
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test_expect_success 'loose objects borrowed from alternate are not missing' '
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mkdir another &&
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(
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cd another &&
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git init &&
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echo ../../../.git/objects >.git/objects/info/alternates &&
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test_commit C fileC one &&
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git fsck >out &&
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! grep "missing blob" out
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)
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'
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test_expect_success 'valid objects appear valid' '
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{ git fsck 2>out; true; } &&
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! grep error out &&
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! grep fatal out
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'
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# Corruption tests follow. Make sure to remove all traces of the
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# specific corruption you test afterwards, lest a later test trip over
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# it.
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test_expect_success 'object with bad sha1' '
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sha=$(echo blob | git hash-object -w --stdin) &&
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echo $sha &&
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old=$(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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git update-index --add --cacheinfo 100644 $sha foo &&
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tree=$(git write-tree) &&
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cmt=$(echo bogus | git commit-tree $tree) &&
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git update-ref refs/heads/bogus $cmt &&
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(git fsck 2>out; true) &&
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grep "$sha.*corrupt" out &&
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rm -f .git/objects/$new &&
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git update-ref -d refs/heads/bogus &&
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git read-tree -u --reset HEAD
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'
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test_expect_success 'branch pointing to non-commit' '
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git rev-parse HEAD^{tree} > .git/refs/heads/invalid &&
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git fsck 2>out &&
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grep "not a commit" out &&
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git update-ref -d refs/heads/invalid
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'
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new=nothing
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test_expect_success 'email without @ is okay' '
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git cat-file commit HEAD >basis &&
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sed "s/@/AT/" basis >okay &&
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new=$(git hash-object -t commit -w --stdin <okay) &&
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echo "$new" &&
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git update-ref refs/heads/bogus "$new" &&
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git fsck 2>out &&
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cat out &&
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! grep "error in commit $new" out
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'
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git update-ref -d refs/heads/bogus
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rm -f ".git/objects/$new"
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new=nothing
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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=$(git hash-object -t commit -w --stdin <bad-email) &&
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echo "$new" &&
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git update-ref refs/heads/bogus "$new" &&
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git fsck 2>out &&
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cat out &&
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grep "error in commit $new" out
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'
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git update-ref -d refs/heads/bogus
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rm -f ".git/objects/$new"
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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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test_expect_success 'tag pointing to nonexistent' '
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tag=$(git hash-object -t tag -w --stdin < invalid-tag) &&
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echo $tag > .git/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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rm .git/refs/tags/invalid
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'
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cat > wrong-tag <<EOF
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object $(echo blob | git hash-object -w --stdin)
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type commit
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tag wrong
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tagger T A Gger <tagger@example.com> 1234567890 -0000
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This is an invalid tag.
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EOF
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test_expect_success 'tag pointing to something else than its type' '
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tag=$(git hash-object -t tag -w --stdin < wrong-tag) &&
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echo $tag > .git/refs/tags/wrong &&
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test_must_fail git fsck --tags 2>out &&
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cat out &&
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grep "error in tag.*broken links" out &&
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rm .git/refs/tags/wrong
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'
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test_done
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