t/t1450-fsck.sh

   1 #!/bin/sh
   2
   3 test_description='git fsck random collection of tests
   4
   5 * (HEAD) B
   6 * (master) A
   7 '
   8
   9 . ./test-lib.sh
  10
  11 test_expect_success setup '
  12         git config gc.auto 0 &&
  13         git config i18n.commitencoding ISO-8859-1 &&
  14         test_commit A fileA one &&
  15         git config --unset i18n.commitencoding &&
  16         git checkout HEAD^0 &&
  17         test_commit B fileB two &&
  18         git tag -d A B &&
  19         git reflog expire --expire=now --all &&
  20         >empty
  21 '
  22
  23 test_expect_success 'loose objects borrowed from alternate are not missing' '
  24         mkdir another &&
  25         (
  26                 cd another &&
  27                 git init &&
  28                 echo ../../../.git/objects >.git/objects/info/alternates &&
  29                 test_commit C fileC one &&
  30                 git fsck >../out 2>&1
  31         ) &&
  32         {
  33                 grep -v dangling out >actual ||
  34                 :
  35         } &&
  36         test_cmp empty actual
  37 '
  38
  39 test_expect_success 'HEAD is part of refs, valid objects appear valid' '
  40         git fsck >actual 2>&1 &&
  41         test_cmp empty actual
  42 '
  43
  44 # Corruption tests follow.  Make sure to remove all traces of the
  45 # specific corruption you test afterwards, lest a later test trip over
  46 # it.
  47
  48 test_expect_success 'setup: helpers for corruption tests' '
  49         sha1_file() {
  50                 echo "$*" | sed "s#..#.git/objects/&/#"
  51         } &&
  52
  53         remove_object() {
  54                 file=$(sha1_file "$*") &&
  55                 test -e "$file" &&
  56                 rm -f "$file"
  57         }
  58 '
  59
  60 test_expect_success 'object with bad sha1' '
  61         sha=$(echo blob | git hash-object -w --stdin) &&
  62         old=$(echo $sha | sed "s+^..+&/+") &&
  63         new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
  64         sha="$(dirname $new)$(basename $new)" &&
  65         mv .git/objects/$old .git/objects/$new &&
  66         test_when_finished "remove_object $sha" &&
  67         git update-index --add --cacheinfo 100644 $sha foo &&
  68         test_when_finished "git read-tree -u --reset HEAD" &&
  69         tree=$(git write-tree) &&
  70         test_when_finished "remove_object $tree" &&
  71         cmt=$(echo bogus | git commit-tree $tree) &&
  72         test_when_finished "remove_object $cmt" &&
  73         git update-ref refs/heads/bogus $cmt &&
  74         test_when_finished "git update-ref -d refs/heads/bogus" &&
  75
  76         test_might_fail git fsck 2>out &&
  77         cat out &&
  78         grep "$sha.*corrupt" out
  79 '
  80
  81 test_expect_success 'branch pointing to non-commit' '
  82         git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
  83         test_when_finished "git update-ref -d refs/heads/invalid" &&
  84         git fsck 2>out &&
  85         cat out &&
  86         grep "not a commit" out
  87 '
  88
  89 test_expect_success 'email without @ is okay' '
  90         git cat-file commit HEAD >basis &&
  91         sed "s/@/AT/" basis >okay &&
  92         new=$(git hash-object -t commit -w --stdin <okay) &&
  93         test_when_finished "remove_object $new" &&
  94         git update-ref refs/heads/bogus "$new" &&
  95         test_when_finished "git update-ref -d refs/heads/bogus" &&
  96         git fsck 2>out &&
  97         cat out &&
  98         ! grep "commit $new" out
  99 '
 100
 101 test_expect_success 'email with embedded > is not okay' '
 102         git cat-file commit HEAD >basis &&
 103         sed "s/@[a-z]/&>/" basis >bad-email &&
 104         new=$(git hash-object -t commit -w --stdin <bad-email) &&
 105         test_when_finished "remove_object $new" &&
 106         git update-ref refs/heads/bogus "$new" &&
 107         test_when_finished "git update-ref -d refs/heads/bogus" &&
 108         git fsck 2>out &&
 109         cat out &&
 110         grep "error in commit $new" out
 111 '
 112
 113 test_expect_success 'tag pointing to nonexistent' '
 114         cat >invalid-tag <<-\EOF &&
 115         object ffffffffffffffffffffffffffffffffffffffff
 116         type commit
 117         tag invalid
 118         tagger T A Gger <tagger@example.com> 1234567890 -0000
 119
 120         This is an invalid tag.
 121         EOF
 122
 123         tag=$(git hash-object -t tag -w --stdin <invalid-tag) &&
 124         test_when_finished "remove_object $tag" &&
 125         echo $tag >.git/refs/tags/invalid &&
 126         test_when_finished "git update-ref -d refs/tags/invalid" &&
 127         test_must_fail git fsck --tags >out &&
 128         cat out &&
 129         grep "broken link" out
 130 '
 131
 132 test_expect_success 'tag pointing to something else than its type' '
 133         sha=$(echo blob | git hash-object -w --stdin) &&
 134         test_when_finished "remove_object $sha" &&
 135         cat >wrong-tag <<-EOF &&
 136         object $sha
 137         type commit
 138         tag wrong
 139         tagger T A Gger <tagger@example.com> 1234567890 -0000
 140
 141         This is an invalid tag.
 142         EOF
 143
 144         tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
 145         test_when_finished "remove_object $tag" &&
 146         echo $tag >.git/refs/tags/wrong &&
 147         test_when_finished "git update-ref -d refs/tags/wrong" &&
 148         test_must_fail git fsck --tags 2>out &&
 149         cat out &&
 150         grep "error in tag.*broken links" out
 151 '
 152
 153 test_expect_success 'cleaned up' '
 154         git fsck >actual 2>&1 &&
 155         test_cmp empty actual
 156 '
 157
 158 test_done