git checkout HEAD^0 &&
test_commit B fileB two &&
git tag -d A B &&
- git reflog expire --expire=now --all &&
- >empty
+ git reflog expire --expire=now --all
'
test_expect_success 'loose objects borrowed from alternate are not missing' '
test_commit C fileC one &&
git fsck --no-dangling >../actual 2>&1
) &&
- test_cmp empty actual
+ test_must_be_empty actual
'
test_expect_success 'HEAD is part of refs, valid objects appear valid' '
git fsck >actual 2>&1 &&
- test_cmp empty actual
+ test_must_be_empty actual
'
# Corruption tests follow. Make sure to remove all traces of the
test_expect_success 'setup: helpers for corruption tests' '
sha1_file() {
- echo "$*" | sed "s#..#.git/objects/&/#"
+ remainder=${1#??} &&
+ firsttwo=${1%$remainder} &&
+ echo ".git/objects/$firsttwo/$remainder"
} &&
remove_object() {
- file=$(sha1_file "$*") &&
- test -e "$file" &&
- rm -f "$file"
+ rm "$(sha1_file "$1")"
}
'
git update-ref refs/heads/bogus $cmt &&
test_when_finished "git update-ref -d refs/heads/bogus" &&
- test_might_fail git fsck 2>out &&
+ test_must_fail git fsck 2>out &&
cat out &&
- grep "$sha.*corrupt" out
+ test_i18ngrep "$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 &&
+ test_must_fail git fsck 2>out &&
cat out &&
- grep "not a commit" out
+ test_i18ngrep "not a commit" out
+'
+
+test_expect_success 'HEAD link pointing at a funny object' '
+ test_when_finished "mv .git/SAVED_HEAD .git/HEAD" &&
+ mv .git/HEAD .git/SAVED_HEAD &&
+ echo 0000000000000000000000000000000000000000 >.git/HEAD &&
+ # avoid corrupt/broken HEAD from interfering with repo discovery
+ test_must_fail env GIT_DIR=.git git fsck 2>out &&
+ cat out &&
+ test_i18ngrep "detached HEAD points" out
+'
+
+test_expect_success 'HEAD link pointing at a funny place' '
+ test_when_finished "mv .git/SAVED_HEAD .git/HEAD" &&
+ mv .git/HEAD .git/SAVED_HEAD &&
+ echo "ref: refs/funny/place" >.git/HEAD &&
+ # avoid corrupt/broken HEAD from interfering with repo discovery
+ test_must_fail env GIT_DIR=.git git fsck 2>out &&
+ cat out &&
+ test_i18ngrep "HEAD points to something strange" out
+'
+
+test_expect_success 'HEAD link pointing at a funny object (from different wt)' '
+ test_when_finished "mv .git/SAVED_HEAD .git/HEAD" &&
+ test_when_finished "rm -rf .git/worktrees wt" &&
+ git worktree add wt &&
+ mv .git/HEAD .git/SAVED_HEAD &&
+ echo $ZERO_OID >.git/HEAD &&
+ # avoid corrupt/broken HEAD from interfering with repo discovery
+ test_must_fail git -C wt fsck 2>out &&
+ test_i18ngrep "main-worktree/HEAD: detached HEAD points" out
+'
+
+test_expect_success 'other worktree HEAD link pointing at a funny object' '
+ test_when_finished "rm -rf .git/worktrees other" &&
+ git worktree add other &&
+ echo $ZERO_OID >.git/worktrees/other/HEAD &&
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep "worktrees/other/HEAD: detached HEAD points" out
+'
+
+test_expect_success 'other worktree HEAD link pointing at missing object' '
+ test_when_finished "rm -rf .git/worktrees other" &&
+ git worktree add other &&
+ echo "Contents missing from repo" | git hash-object --stdin >.git/worktrees/other/HEAD &&
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep "worktrees/other/HEAD: invalid sha1 pointer" out
+'
+
+test_expect_success 'other worktree HEAD link pointing at a funny place' '
+ test_when_finished "rm -rf .git/worktrees other" &&
+ git worktree add other &&
+ echo "ref: refs/funny/place" >.git/worktrees/other/HEAD &&
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep "worktrees/other/HEAD points to something strange" out
'
test_expect_success 'email without @ is 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 &&
+ test_must_fail git fsck 2>out &&
cat out &&
- grep "error in commit $new" out
+ test_i18ngrep "error in commit $new" out
'
test_expect_success 'missing < email delimiter is reported nicely' '
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 &&
+ test_must_fail git fsck 2>out &&
cat out &&
- grep "error in commit $new.* - bad name" out
+ test_i18ngrep "error in commit $new.* - bad name" out
'
test_expect_success 'missing email is reported nicely' '
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 &&
+ test_must_fail git fsck 2>out &&
cat out &&
- grep "error in commit $new.* - missing email" out
+ test_i18ngrep "error in commit $new.* - missing email" out
'
test_expect_success '> in name is reported' '
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 &&
+ test_must_fail git fsck 2>out &&
cat out &&
- grep "error in commit $new" out
+ test_i18ngrep "error in commit $new" out
'
# date is 2^64 + 1
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 &&
+ test_must_fail git fsck 2>out &&
+ cat out &&
+ test_i18ngrep "error in commit $new.*integer overflow" out
+'
+
+test_expect_success 'commit with NUL in header' '
+ git cat-file commit HEAD >basis &&
+ sed "s/author ./author Q/" <basis | q_to_nul >commit-NUL-header &&
+ new=$(git hash-object -t commit -w --stdin <commit-NUL-header) &&
+ 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_i18ngrep "error in commit $new.*unterminated header: NUL at offset" out
+'
+
+test_expect_success 'tree object with duplicate entries' '
+ test_when_finished "for i in \$T; do remove_object \$i; done" &&
+ T=$(
+ GIT_INDEX_FILE=test-index &&
+ export GIT_INDEX_FILE &&
+ rm -f test-index &&
+ >x &&
+ git add x &&
+ git rev-parse :x &&
+ T=$(git write-tree) &&
+ echo $T &&
+ (
+ git cat-file tree $T &&
+ git cat-file tree $T
+ ) |
+ git hash-object -w -t tree --stdin
+ ) &&
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep "error in tree .*contains duplicate file entries" out
+'
+
+test_expect_success 'unparseable tree object' '
+ test_when_finished "git update-ref -d refs/heads/wrong" &&
+ test_when_finished "remove_object \$tree_sha1" &&
+ test_when_finished "remove_object \$commit_sha1" &&
+ tree_sha1=$(printf "100644 \0twenty-bytes-of-junk" | git hash-object -t tree --stdin -w --literally) &&
+ commit_sha1=$(git commit-tree $tree_sha1) &&
+ git update-ref refs/heads/wrong $commit_sha1 &&
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep "error: empty filename in tree entry" out &&
+ test_i18ngrep "$tree_sha1" out &&
+ test_i18ngrep ! "fatal: empty filename in tree entry" out
+'
+
+hex2oct() {
+ perl -ne 'printf "\\%03o", hex for /../g'
+}
+
+test_expect_success 'tree entry with type mismatch' '
+ test_when_finished "remove_object \$blob" &&
+ test_when_finished "remove_object \$tree" &&
+ test_when_finished "remove_object \$commit" &&
+ test_when_finished "git update-ref -d refs/heads/type_mismatch" &&
+ blob=$(echo blob | git hash-object -w --stdin) &&
+ blob_bin=$(echo $blob | hex2oct) &&
+ tree=$(
+ printf "40000 dir\0${blob_bin}100644 file\0${blob_bin}" |
+ git hash-object -t tree --stdin -w --literally
+ ) &&
+ commit=$(git commit-tree $tree) &&
+ git update-ref refs/heads/type_mismatch $commit &&
+ test_must_fail git fsck >out 2>&1 &&
+ test_i18ngrep "is a blob, not a tree" out &&
+ test_i18ngrep ! "dangling blob" out
'
test_expect_success 'tag pointing to nonexistent' '
test_when_finished "git update-ref -d refs/tags/invalid" &&
test_must_fail git fsck --tags >out &&
cat out &&
- grep "broken link" out
+ test_i18ngrep "broken link" out
'
test_expect_success 'tag pointing to something else than its type' '
test_must_fail git fsck --tags
'
+test_expect_success 'tag with incorrect tag name & missing tagger' '
+ sha=$(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: badTagName: invalid '\''tag'\'' name: wrong name format
+ warning in tag $tag: missingTaggerEntry: invalid format - expected '\''tagger'\'' line
+ EOF
+ test_i18ncmp expect out
+'
+
+test_expect_success 'tag with bad tagger' '
+ sha=$(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 $tag >.git/refs/tags/wrong &&
+ test_when_finished "git update-ref -d refs/tags/wrong" &&
+ test_must_fail git fsck --tags 2>out &&
+ test_i18ngrep "error in tag .*: invalid author/committer" out
+'
+
+test_expect_success 'tag with NUL in header' '
+ sha=$(git rev-parse HEAD) &&
+ q_to_nul >tag-NUL-header <<-EOF &&
+ object $sha
+ type commit
+ tag contains-Q-in-header
+ tagger T A Gger <tagger@example.com> 1234567890 -0000
+
+ This is an invalid tag.
+ EOF
+
+ tag=$(git hash-object --literally -t tag -w --stdin <tag-NUL-header) &&
+ 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 &&
+ cat out &&
+ test_i18ngrep "error in tag $tag.*unterminated header: NUL at offset" out
+'
+
test_expect_success 'cleaned up' '
git fsck >actual 2>&1 &&
- test_cmp empty actual
+ test_must_be_empty actual
'
test_expect_success 'rev-list --verify-objects' '
git rev-list --verify-objects --all >/dev/null 2>out &&
- test_cmp empty out
+ test_must_be_empty out
'
test_expect_success 'rev-list --verify-objects with bad sha1' '
test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
cat out &&
- grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
+ test_i18ngrep -q "error: hash mismatch 63ffffffffffffffffffffffffffffffffffffff" out
+'
+
+test_expect_success 'force fsck to ignore double author' '
+ git cat-file commit HEAD >basis &&
+ sed "s/^author .*/&,&/" <basis | tr , \\n >multiple-authors &&
+ new=$(git hash-object -t commit -w --stdin <multiple-authors) &&
+ 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 &&
+ git -c fsck.multipleAuthors=ignore fsck
'
_bz='\0'
git hash-object -w --stdin -t tree) &&
git fsck 2>out &&
cat out &&
- grep "warning.*null sha1" out
+ test_i18ngrep "warning.*null sha1" out
)
'
git hash-object -w --stdin -t tree) &&
git fsck 2>out &&
cat out &&
- grep "warning.*null sha1" out
+ test_i18ngrep "warning.*null sha1" out
)
'
-test_expect_success 'fsck notices "." and ".." in trees' '
+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 &&
+ test_i18ngrep "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 dots &&
- cd dots &&
- blob=$(echo foo | git hash-object -w --stdin) &&
- tab=$(printf "\\t") &&
- git mktree <<-EOF &&
- 100644 blob $blob$tab.
- 100644 blob $blob$tab..
- EOF
- git fsck 2>out &&
- cat out &&
- grep "warning.*\\." out
+ 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
+ )
+'
+
+test_expect_success 'NUL in commit' '
+ rm -fr nul-in-commit &&
+ git init nul-in-commit &&
+ (
+ cd nul-in-commit &&
+ git commit --allow-empty -m "initial commitQNUL after message" &&
+ git cat-file commit HEAD >original &&
+ q_to_nul <original >munged &&
+ git hash-object -w -t commit --stdin <munged >name &&
+ git branch bad $(cat name) &&
+
+ test_must_fail git -c fsck.nulInCommit=error fsck 2>warn.1 &&
+ test_i18ngrep nulInCommit warn.1 &&
+ git fsck 2>warn.2 &&
+ test_i18ngrep nulInCommit warn.2
+ )
+'
+
+# 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_expect_success 'fsck --connectivity-only' '
+ rm -rf connectivity-only &&
+ git init connectivity-only &&
+ (
+ cd connectivity-only &&
+ touch empty &&
+ git add empty &&
+ test_commit empty &&
+
+ # Drop the index now; we want to be sure that we
+ # recursively notice the broken objects
+ # because they are reachable from refs, not because
+ # they are in the index.
+ rm -f .git/index &&
+
+ # corrupt the blob, but in a way that we can still identify
+ # its type. That lets us see that --connectivity-only is
+ # not actually looking at the contents, but leaves it
+ # free to examine the type if it chooses.
+ empty=.git/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391 &&
+ blob=$(echo unrelated | git hash-object -w --stdin) &&
+ mv -f $(sha1_file $blob) $empty &&
+
+ test_must_fail git fsck --strict &&
+ git fsck --strict --connectivity-only &&
+ tree=$(git rev-parse HEAD:) &&
+ suffix=${tree#??} &&
+ tree=.git/objects/${tree%$suffix}/$suffix &&
+ rm -f $tree &&
+ echo invalid >$tree &&
+ test_must_fail git fsck --strict --connectivity-only
)
'
-test_expect_success 'fsck notices ".git" in trees' '
+test_expect_success 'fsck --connectivity-only with explicit head' '
+ rm -rf connectivity-only &&
+ git init connectivity-only &&
(
- git init dotgit &&
- cd dotgit &&
- blob=$(echo foo | git hash-object -w --stdin) &&
- tab=$(printf "\\t") &&
- git mktree <<-EOF &&
- 100644 blob $blob$tab.git
+ cd connectivity-only &&
+ test_commit foo &&
+ rm -f .git/index &&
+ tree=$(git rev-parse HEAD^{tree}) &&
+ remove_object $(git rev-parse HEAD:foo.t) &&
+ test_must_fail git fsck --connectivity-only $tree
+ )
+'
+
+test_expect_success 'fsck --name-objects' '
+ rm -rf name-objects &&
+ git init name-objects &&
+ (
+ cd name-objects &&
+ test_commit julius caesar.t &&
+ test_commit augustus &&
+ test_commit caesar &&
+ remove_object $(git rev-parse julius:caesar.t) &&
+ test_must_fail git fsck --name-objects >out &&
+ tree=$(git rev-parse --verify julius:) &&
+ test_i18ngrep -E "$tree \((refs/heads/master|HEAD)@\{[0-9]*\}:" out
+ )
+'
+
+test_expect_success 'alternate objects are correctly blamed' '
+ test_when_finished "rm -rf alt.git .git/objects/info/alternates" &&
+ git init --bare alt.git &&
+ echo "../../alt.git/objects" >.git/objects/info/alternates &&
+ mkdir alt.git/objects/12 &&
+ >alt.git/objects/12/34567890123456789012345678901234567890 &&
+ test_must_fail git fsck >out 2>&1 &&
+ test_i18ngrep alt.git out
+'
+
+test_expect_success 'fsck errors in packed objects' '
+ git cat-file commit HEAD >basis &&
+ sed "s/</one/" basis >one &&
+ sed "s/</foo/" basis >two &&
+ one=$(git hash-object -t commit -w one) &&
+ two=$(git hash-object -t commit -w two) &&
+ pack=$(
+ {
+ echo $one &&
+ echo $two
+ } | git pack-objects .git/objects/pack/pack
+ ) &&
+ test_when_finished "rm -f .git/objects/pack/pack-$pack.*" &&
+ remove_object $one &&
+ remove_object $two &&
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep "error in commit $one.* - bad name" out &&
+ test_i18ngrep "error in commit $two.* - bad name" out &&
+ ! grep corrupt out
+'
+
+test_expect_success 'fsck fails on corrupt packfile' '
+ hsh=$(git commit-tree -m mycommit HEAD^{tree}) &&
+ pack=$(echo $hsh | git pack-objects .git/objects/pack/pack) &&
+
+ # Corrupt the first byte of the first object. (It contains 3 type bits,
+ # at least one of which is not zero, so setting the first byte to 0 is
+ # sufficient.)
+ chmod a+w .git/objects/pack/pack-$pack.pack &&
+ printf '\0' | dd of=.git/objects/pack/pack-$pack.pack bs=1 conv=notrunc seek=12 &&
+
+ test_when_finished "rm -f .git/objects/pack/pack-$pack.*" &&
+ remove_object $hsh &&
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep "checksum mismatch" out
+'
+
+test_expect_success 'fsck finds problems in duplicate loose objects' '
+ rm -rf broken-duplicate &&
+ git init broken-duplicate &&
+ (
+ cd broken-duplicate &&
+ test_commit duplicate &&
+ # no "-d" here, so we end up with duplicates
+ git repack &&
+ # now corrupt the loose copy
+ file=$(sha1_file "$(git rev-parse HEAD)") &&
+ rm "$file" &&
+ echo broken >"$file" &&
+ test_must_fail git fsck
+ )
+'
+
+test_expect_success 'fsck detects trailing loose garbage (commit)' '
+ git cat-file commit HEAD >basis &&
+ echo bump-commit-sha1 >>basis &&
+ commit=$(git hash-object -w -t commit basis) &&
+ file=$(sha1_file $commit) &&
+ test_when_finished "remove_object $commit" &&
+ chmod +w "$file" &&
+ echo garbage >>"$file" &&
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep "garbage.*$commit" out
+'
+
+test_expect_success 'fsck detects trailing loose garbage (large blob)' '
+ blob=$(echo trailing | git hash-object -w --stdin) &&
+ file=$(sha1_file $blob) &&
+ test_when_finished "remove_object $blob" &&
+ chmod +w "$file" &&
+ echo garbage >>"$file" &&
+ test_must_fail git -c core.bigfilethreshold=5 fsck 2>out &&
+ test_i18ngrep "garbage.*$blob" out
+'
+
+test_expect_success 'fsck detects truncated loose object' '
+ # make it big enough that we know we will truncate in the data
+ # portion, not the header
+ test-tool genrandom truncate 4096 >file &&
+ blob=$(git hash-object -w file) &&
+ file=$(sha1_file $blob) &&
+ test_when_finished "remove_object $blob" &&
+ test_copy_bytes 1024 <"$file" >tmp &&
+ rm "$file" &&
+ mv -f tmp "$file" &&
+
+ # check both regular and streaming code paths
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep corrupt.*$blob out &&
+
+ test_must_fail git -c core.bigfilethreshold=128 fsck 2>out &&
+ test_i18ngrep corrupt.*$blob out
+'
+
+# for each of type, we have one version which is referenced by another object
+# (and so while unreachable, not dangling), and another variant which really is
+# dangling.
+test_expect_success 'fsck notices dangling objects' '
+ git init dangling &&
+ (
+ cd dangling &&
+ blob=$(echo not-dangling | git hash-object -w --stdin) &&
+ dblob=$(echo dangling | git hash-object -w --stdin) &&
+ tree=$(printf "100644 blob %s\t%s\n" $blob one | git mktree) &&
+ dtree=$(printf "100644 blob %s\t%s\n" $blob two | git mktree) &&
+ commit=$(git commit-tree $tree) &&
+ dcommit=$(git commit-tree -p $commit $tree) &&
+
+ cat >expect <<-EOF &&
+ dangling blob $dblob
+ dangling commit $dcommit
+ dangling tree $dtree
EOF
- git fsck 2>out &&
- cat out &&
- grep "warning.*\\.git" out
+
+ git fsck >actual &&
+ # the output order is non-deterministic, as it comes from a hash
+ sort <actual >actual.sorted &&
+ test_i18ncmp expect actual.sorted
)
'
+test_expect_success 'fsck $name notices bogus $name' '
+ test_must_fail git fsck bogus &&
+ test_must_fail git fsck $ZERO_OID
+'
+
+test_expect_success 'bogus head does not fallback to all heads' '
+ # set up a case that will cause a reachability complaint
+ echo to-be-deleted >foo &&
+ git add foo &&
+ blob=$(git rev-parse :foo) &&
+ test_when_finished "git rm --cached foo" &&
+ remove_object $blob &&
+ test_must_fail git fsck $ZERO_OID >out 2>&1 &&
+ ! grep $blob out
+'
+
+# Corrupt the checksum on the index.
+# Add 1 to the last byte in the SHA.
+corrupt_index_checksum () {
+ perl -w -e '
+ use Fcntl ":seek";
+ open my $fh, "+<", ".git/index" or die "open: $!";
+ binmode $fh;
+ seek $fh, -1, SEEK_END or die "seek: $!";
+ read $fh, my $in_byte, 1 or die "read: $!";
+
+ $in_value = unpack("C", $in_byte);
+ $out_value = ($in_value + 1) & 255;
+
+ $out_byte = pack("C", $out_value);
+
+ seek $fh, -1, SEEK_END or die "seek: $!";
+ print $fh $out_byte;
+ close $fh or die "close: $!";
+ '
+}
+
+# Corrupt the checksum on the index and then
+# verify that only fsck notices.
+test_expect_success 'detect corrupt index file in fsck' '
+ cp .git/index .git/index.backup &&
+ test_when_finished "mv .git/index.backup .git/index" &&
+ corrupt_index_checksum &&
+ test_must_fail git fsck --cache 2>errors &&
+ test_i18ngrep "bad index file" errors
+'
+
test_done
projects / platform / upstream / git.git / blobdiff