t/t1450-fsck.sh

   1 #!/bin/sh
   2
   3 test_description='git fsck random collection of tests'
   4
   5 . ./test-lib.sh
   6
   7 test_expect_success setup '
   8         git config i18n.commitencoding ISO-8859-1 &&
   9         test_commit A fileA one &&
  10         git config --unset i18n.commitencoding &&
  11         git checkout HEAD^0 &&
  12         test_commit B fileB two &&
  13         git tag -d A B &&
  14         git reflog expire --expire=now --all
  15 '
  16
  17 test_expect_success 'HEAD is part of refs' '
  18         test 0 = $(git fsck | wc -l)
  19 '
  20
  21 test_expect_success 'loose objects borrowed from alternate are not missing' '
  22         mkdir another &&
  23         (
  24                 cd another &&
  25                 git init &&
  26                 echo ../../../.git/objects >.git/objects/info/alternates &&
  27                 test_commit C fileC one &&
  28                 git fsck >out &&
  29                 ! grep "missing blob" out
  30         )
  31 '
  32
  33 test_expect_success 'valid objects appear valid' '
  34         { git fsck 2>out; true; } &&
  35         ! grep error out &&
  36         ! grep fatal out
  37 '
  38
  39 # Corruption tests follow.  Make sure to remove all traces of the
  40 # specific corruption you test afterwards, lest a later test trip over
  41 # it.
  42
  43 test_expect_success 'object with bad sha1' '
  44         sha=$(echo blob | git hash-object -w --stdin) &&
  45         echo $sha &&
  46         old=$(echo $sha | sed "s+^..+&/+") &&
  47         new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
  48         sha="$(dirname $new)$(basename $new)"
  49         mv .git/objects/$old .git/objects/$new &&
  50         git update-index --add --cacheinfo 100644 $sha foo &&
  51         tree=$(git write-tree) &&
  52         cmt=$(echo bogus | git commit-tree $tree) &&
  53         git update-ref refs/heads/bogus $cmt &&
  54         (git fsck 2>out; true) &&
  55         grep "$sha.*corrupt" out &&
  56         rm -f .git/objects/$new &&
  57         git update-ref -d refs/heads/bogus &&
  58         git read-tree -u --reset HEAD
  59 '
  60
  61 test_expect_success 'branch pointing to non-commit' '
  62         git rev-parse HEAD^{tree} > .git/refs/heads/invalid &&
  63         git fsck 2>out &&
  64         grep "not a commit" out &&
  65         git update-ref -d refs/heads/invalid
  66 '
  67
  68 new=nothing
  69 test_expect_success 'email without @ is okay' '
  70         git cat-file commit HEAD >basis &&
  71         sed "s/@/AT/" basis >okay &&
  72         new=$(git hash-object -t commit -w --stdin <okay) &&
  73         echo "$new" &&
  74         git update-ref refs/heads/bogus "$new" &&
  75         git fsck 2>out &&
  76         cat out &&
  77         ! grep "error in commit $new" out
  78 '
  79 git update-ref -d refs/heads/bogus
  80 rm -f ".git/objects/$new"
  81
  82 new=nothing
  83 test_expect_success 'email with embedded > is not okay' '
  84         git cat-file commit HEAD >basis &&
  85         sed "s/@[a-z]/&>/" basis >bad-email &&
  86         new=$(git hash-object -t commit -w --stdin <bad-email) &&
  87         echo "$new" &&
  88         git update-ref refs/heads/bogus "$new" &&
  89         git fsck 2>out &&
  90         cat out &&
  91         grep "error in commit $new" out
  92 '
  93 git update-ref -d refs/heads/bogus
  94 rm -f ".git/objects/$new"
  95
  96 cat > invalid-tag <<EOF
  97 object ffffffffffffffffffffffffffffffffffffffff
  98 type commit
  99 tag invalid
 100 tagger T A Gger <tagger@example.com> 1234567890 -0000
 101
 102 This is an invalid tag.
 103 EOF
 104
 105 test_expect_success 'tag pointing to nonexistent' '
 106         tag=$(git hash-object -t tag -w --stdin < invalid-tag) &&
 107         echo $tag > .git/refs/tags/invalid &&
 108         test_must_fail git fsck --tags >out &&
 109         cat out &&
 110         grep "broken link" out &&
 111         rm .git/refs/tags/invalid
 112 '
 113
 114 cat > wrong-tag <<EOF
 115 object $(echo blob | git hash-object -w --stdin)
 116 type commit
 117 tag wrong
 118 tagger T A Gger <tagger@example.com> 1234567890 -0000
 119
 120 This is an invalid tag.
 121 EOF
 122
 123 test_expect_success 'tag pointing to something else than its type' '
 124         tag=$(git hash-object -t tag -w --stdin < wrong-tag) &&
 125         echo $tag > .git/refs/tags/wrong &&
 126         test_must_fail git fsck --tags 2>out &&
 127         cat out &&
 128         grep "error in tag.*broken links" out &&
 129         rm .git/refs/tags/wrong
 130 '
 131
 132
 133
 134 test_done