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/$new &&
  49         git update-ref -d refs/heads/bogus &&
  50         git read-tree -u --reset HEAD
  51 '
  52
  53 test_expect_success 'branch pointing to non-commit' '
  54         git rev-parse HEAD^{tree} > .git/refs/heads/invalid &&
  55         git fsck 2>out &&
  56         grep "not a commit" out &&
  57         git update-ref -d refs/heads/invalid
  58 '
  59
  60 cat > invalid-tag <<EOF
  61 object ffffffffffffffffffffffffffffffffffffffff
  62 type commit
  63 tag invalid
  64 tagger T A Gger <tagger@example.com> 1234567890 -0000
  65
  66 This is an invalid tag.
  67 EOF
  68
  69 test_expect_success 'tag pointing to nonexistent' '
  70         tag=$(git hash-object -t tag -w --stdin < invalid-tag) &&
  71         echo $tag > .git/refs/tags/invalid &&
  72         test_must_fail git fsck --tags >out &&
  73         cat out &&
  74         grep "broken link" out &&
  75         rm .git/refs/tags/invalid
  76 '
  77
  78 cat > wrong-tag <<EOF
  79 object $(echo blob | git hash-object -w --stdin)
  80 type commit
  81 tag wrong
  82 tagger T A Gger <tagger@example.com> 1234567890 -0000
  83
  84 This is an invalid tag.
  85 EOF
  86
  87 test_expect_success 'tag pointing to something else than its type' '
  88         tag=$(git hash-object -t tag -w --stdin < wrong-tag) &&
  89         echo $tag > .git/refs/tags/wrong &&
  90         test_must_fail git fsck --tags 2>out &&
  91         cat out &&
  92         grep "error in tag.*broken links" out &&
  93         rm .git/refs/tags/wrong
  94 '
  95
  96
  97
  98 test_done