diff options
Diffstat (limited to 'third_party/git/t/t1450-fsck.sh')
| -rwxr-xr-x | third_party/git/t/t1450-fsck.sh | 834 |
1 files changed, 0 insertions, 834 deletions
diff --git a/third_party/git/t/t1450-fsck.sh b/third_party/git/t/t1450-fsck.sh deleted file mode 100755 index b36e0528d0..0000000000 --- a/third_party/git/t/t1450-fsck.sh +++ /dev/null @@ -1,834 +0,0 @@ -#!/bin/sh - -test_description='git fsck random collection of tests - -* (HEAD) B -* (master) A -' - -. ./test-lib.sh - -test_expect_success setup ' - test_oid_init && - 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 -' - -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_must_be_empty actual -' - -test_expect_success 'HEAD is part of refs, valid objects appear valid' ' - git fsck >actual 2>&1 && - test_must_be_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() { - remainder=${1#??} && - firsttwo=${1%$remainder} && - echo ".git/objects/$firsttwo/$remainder" - } && - - remove_object() { - rm "$(sha1_file "$1")" - } -' - -test_expect_success 'object with bad sha1' ' - sha=$(echo blob | git hash-object -w --stdin) && - old=$(test_oid_to_path "$sha") && - new=$(dirname $old)/$(test_oid ff_2) && - 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 $cmt && - test_when_finished "git update-ref -d refs/heads/bogus" && - - test_must_fail git fsck 2>out && - cat out && - test_i18ngrep "$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" && - test_must_fail git fsck 2>out && - cat 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 $ZERO_OID >.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 $ZERO_OID >.git/worktrees/other/HEAD && - test_must_fail git fsck 2>out && - test_i18ngrep "worktrees/other/HEAD: detached HEAD points" out -' - -test_expect_success 'other worktree HEAD link pointing at missing object' ' - test_when_finished "rm -rf .git/worktrees other" && - git worktree add other && - echo "Contents missing from repo" | git hash-object --stdin >.git/worktrees/other/HEAD && - test_must_fail git fsck 2>out && - test_i18ngrep "worktrees/other/HEAD: invalid sha1 pointer" out -' - -test_expect_success 'other worktree HEAD link pointing at a funny place' ' - test_when_finished "rm -rf .git/worktrees other" && - git worktree add other && - echo "ref: refs/funny/place" >.git/worktrees/other/HEAD && - test_must_fail git fsck 2>out && - test_i18ngrep "worktrees/other/HEAD points to something strange" out -' - -test_expect_success 'email without @ is okay' ' - git cat-file commit HEAD >basis && - sed "s/@/AT/" basis >okay && - new=$(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 && - test_i18ngrep "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 && - test_i18ngrep "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 && - test_i18ngrep "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 && - test_i18ngrep "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 && - 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 && - 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 $T - ) | - git hash-object -w -t tree --stdin - ) && - test_must_fail git fsck 2>out && - test_i18ngrep "error in tree .*contains duplicate file entries" out -' - -test_expect_success 'unparseable tree object' ' - test_oid_cache <<-\EOF && - junk sha1:twenty-bytes-of-junk - junk sha256:twenty-bytes-of-junk-twelve-more - EOF - - test_when_finished "git update-ref -d refs/heads/wrong" && - test_when_finished "remove_object \$tree_sha1" && - test_when_finished "remove_object \$commit_sha1" && - junk=$(test_oid junk) && - tree_sha1=$(printf "100644 \0$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 -' - -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 $commit && - test_must_fail git fsck >out 2>&1 && - test_i18ngrep "is a blob, not a tree" out && - test_i18ngrep ! "dangling blob" out -' - -test_expect_success 'tag pointing to nonexistent' ' - badoid=$(test_oid deadbeef) && - cat >invalid-tag <<-EOF && - object $badoid - type commit - tag invalid - tagger T A Gger <tagger@example.com> 1234567890 -0000 - - This is an invalid tag. - EOF - - tag=$(git hash-object -t tag -w --stdin <invalid-tag) && - test_when_finished "remove_object $tag" && - echo $tag >.git/refs/tags/invalid && - test_when_finished "git update-ref -d refs/tags/invalid" && - test_must_fail git fsck --tags >out && - cat out && - test_i18ngrep "broken link" out -' - -test_expect_success 'tag pointing to something else than its type' ' - sha=$(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: 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 $tag.*unterminated header: NUL at offset" out -' - -test_expect_success 'cleaned up' ' - git fsck >actual 2>&1 && - test_must_be_empty actual -' - -test_expect_success 'rev-list --verify-objects' ' - git rev-list --verify-objects --all >/dev/null 2>out && - test_must_be_empty out -' - -test_expect_success 'rev-list --verify-objects with bad sha1' ' - sha=$(echo blob | git hash-object -w --stdin) && - old=$(test_oid_to_path $sha) && - new=$(dirname $old)/$(test_oid ff_2) && - 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 && - test_i18ngrep -q "error: hash mismatch $(dirname $new)$(test_oid ff_2)" 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' -_bzoid=$(printf $ZERO_OID | sed -e 's/00/\\0/g') - -test_expect_success 'fsck notices blob entry pointing to null sha1' ' - (git init null-blob && - cd null-blob && - sha=$(printf "100644 file$_bz$_bzoid" | - git hash-object -w --stdin -t tree) && - git fsck 2>out && - cat out && - test_i18ngrep "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$_bzoid" | - git hash-object -w --stdin -t tree) && - git fsck 2>out && - cat out && - test_i18ngrep "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 && - 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 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/$(test_oid_to_path $EMPTY_BLOB) && - blob=$(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 --connectivity-only with explicit head' ' - rm -rf connectivity-only && - git init connectivity-only && - ( - 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" && - name=$(test_oid numeric) && - path=$(test_oid_to_path "$name") && - git init --bare alt.git && - echo "../../alt.git/objects" >.git/objects/info/alternates && - mkdir alt.git/objects/$(dirname $path) && - >alt.git/objects/$(dirname $path)/$(basename $path) && - test_must_fail git fsck >out 2>&1 && - test_i18ngrep alt.git out -' - -test_expect_success 'fsck errors in packed objects' ' - git cat-file commit HEAD >basis && - sed "s/</one/" basis >one && - sed "s/</foo/" basis >two && - one=$(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 'create dangling-object repository' ' - 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 - ) -' - -test_expect_success 'fsck notices dangling objects' ' - ( - cd dangling && - 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 --connectivity-only notices dangling objects' ' - ( - cd dangling && - git fsck --connectivity-only >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 |