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