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