1#!/bin/sh
2
3test_description='git fsck random collection of tests'
4
5. ./test-lib.sh
6
7test_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
15test_expect_success 'HEAD is part of refs' '
16 test 0 = $(git fsck | wc -l)
17'
18
19test_expect_success 'loose objects borrowed from alternate are not missing' '
20 mkdir another &&
21 (
22 cd another &&
23 git init &&
24 echo ../../../.git/objects >.git/objects/info/alternates &&
25 test_commit C fileC one &&
26 git fsck >out &&
27 ! grep "missing blob" out
28 )
29'
30
31# Corruption tests follow. Make sure to remove all traces of the
32# specific corruption you test afterwards, lest a later test trip over
33# it.
34
35test_expect_success 'object with bad sha1' '
36 sha=$(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/$new &&
49 git update-ref -d refs/heads/bogus &&
50 git read-tree -u --reset HEAD
51'
52
53test_expect_success 'branch pointing to non-commit' '
54 git rev-parse HEAD^{tree} > .git/refs/heads/invalid &&
55 git fsck 2>out &&
56 grep "not a commit" out &&
57 git update-ref -d refs/heads/invalid
58'
59
60cat > invalid-tag <<EOF
61object ffffffffffffffffffffffffffffffffffffffff
62type commit
63tag invalid
64tagger T A Gger <tagger@example.com> 1234567890 -0000
65
66This is an invalid tag.
67EOF
68
69test_expect_failure 'tag pointing to nonexistent' '
70 tag=$(git hash-object -w --stdin < invalid-tag) &&
71 echo $tag > .git/refs/tags/invalid &&
72 git fsck --tags 2>out &&
73 cat out &&
74 grep "could not load tagged object" out &&
75 rm .git/refs/tags/invalid
76'
77
78cat > wrong-tag <<EOF
79object $(echo blob | git hash-object -w --stdin)
80type commit
81tag wrong
82tagger T A Gger <tagger@example.com> 1234567890 -0000
83
84This is an invalid tag.
85EOF
86
87test_expect_failure 'tag pointing to something else than its type' '
88 tag=$(git hash-object -w --stdin < wrong-tag) &&
89 echo $tag > .git/refs/tags/wrong &&
90 git fsck --tags 2>out &&
91 cat out &&
92 grep "some sane error message" out &&
93 rm .git/refs/tags/wrong
94'
95
96
97
98test_done