Merge branch 'pf/editor-ignore-sigint'
[git/git.git] / 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 --no-dangling >../actual 2>&1
31 ) &&
32 test_cmp empty actual
33 '
34
35 test_expect_success 'HEAD is part of refs, valid objects appear valid' '
36 git fsck >actual 2>&1 &&
37 test_cmp empty actual
38 '
39
40 # Corruption tests follow. Make sure to remove all traces of the
41 # specific corruption you test afterwards, lest a later test trip over
42 # it.
43
44 test_expect_success 'setup: helpers for corruption tests' '
45 sha1_file() {
46 echo "$*" | sed "s#..#.git/objects/&/#"
47 } &&
48
49 remove_object() {
50 file=$(sha1_file "$*") &&
51 test -e "$file" &&
52 rm -f "$file"
53 }
54 '
55
56 test_expect_success 'object with bad sha1' '
57 sha=$(echo blob | git hash-object -w --stdin) &&
58 old=$(echo $sha | sed "s+^..+&/+") &&
59 new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
60 sha="$(dirname $new)$(basename $new)" &&
61 mv .git/objects/$old .git/objects/$new &&
62 test_when_finished "remove_object $sha" &&
63 git update-index --add --cacheinfo 100644 $sha foo &&
64 test_when_finished "git read-tree -u --reset HEAD" &&
65 tree=$(git write-tree) &&
66 test_when_finished "remove_object $tree" &&
67 cmt=$(echo bogus | git commit-tree $tree) &&
68 test_when_finished "remove_object $cmt" &&
69 git update-ref refs/heads/bogus $cmt &&
70 test_when_finished "git update-ref -d refs/heads/bogus" &&
71
72 test_might_fail git fsck 2>out &&
73 cat out &&
74 grep "$sha.*corrupt" out
75 '
76
77 test_expect_success 'branch pointing to non-commit' '
78 git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
79 test_when_finished "git update-ref -d refs/heads/invalid" &&
80 git fsck 2>out &&
81 cat out &&
82 grep "not a commit" out
83 '
84
85 test_expect_success 'email without @ is okay' '
86 git cat-file commit HEAD >basis &&
87 sed "s/@/AT/" basis >okay &&
88 new=$(git hash-object -t commit -w --stdin <okay) &&
89 test_when_finished "remove_object $new" &&
90 git update-ref refs/heads/bogus "$new" &&
91 test_when_finished "git update-ref -d refs/heads/bogus" &&
92 git fsck 2>out &&
93 cat out &&
94 ! grep "commit $new" out
95 '
96
97 test_expect_success 'email with embedded > is not okay' '
98 git cat-file commit HEAD >basis &&
99 sed "s/@[a-z]/&>/" basis >bad-email &&
100 new=$(git hash-object -t commit -w --stdin <bad-email) &&
101 test_when_finished "remove_object $new" &&
102 git update-ref refs/heads/bogus "$new" &&
103 test_when_finished "git update-ref -d refs/heads/bogus" &&
104 git fsck 2>out &&
105 cat out &&
106 grep "error in commit $new" out
107 '
108
109 test_expect_success 'missing < email delimiter is reported nicely' '
110 git cat-file commit HEAD >basis &&
111 sed "s/<//" basis >bad-email-2 &&
112 new=$(git hash-object -t commit -w --stdin <bad-email-2) &&
113 test_when_finished "remove_object $new" &&
114 git update-ref refs/heads/bogus "$new" &&
115 test_when_finished "git update-ref -d refs/heads/bogus" &&
116 git fsck 2>out &&
117 cat out &&
118 grep "error in commit $new.* - bad name" out
119 '
120
121 test_expect_success 'missing email is reported nicely' '
122 git cat-file commit HEAD >basis &&
123 sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 &&
124 new=$(git hash-object -t commit -w --stdin <bad-email-3) &&
125 test_when_finished "remove_object $new" &&
126 git update-ref refs/heads/bogus "$new" &&
127 test_when_finished "git update-ref -d refs/heads/bogus" &&
128 git fsck 2>out &&
129 cat out &&
130 grep "error in commit $new.* - missing email" out
131 '
132
133 test_expect_success '> in name is reported' '
134 git cat-file commit HEAD >basis &&
135 sed "s/ </> </" basis >bad-email-4 &&
136 new=$(git hash-object -t commit -w --stdin <bad-email-4) &&
137 test_when_finished "remove_object $new" &&
138 git update-ref refs/heads/bogus "$new" &&
139 test_when_finished "git update-ref -d refs/heads/bogus" &&
140 git fsck 2>out &&
141 cat out &&
142 grep "error in commit $new" out
143 '
144
145 test_expect_success 'tag pointing to nonexistent' '
146 cat >invalid-tag <<-\EOF &&
147 object ffffffffffffffffffffffffffffffffffffffff
148 type commit
149 tag invalid
150 tagger T A Gger <tagger@example.com> 1234567890 -0000
151
152 This is an invalid tag.
153 EOF
154
155 tag=$(git hash-object -t tag -w --stdin <invalid-tag) &&
156 test_when_finished "remove_object $tag" &&
157 echo $tag >.git/refs/tags/invalid &&
158 test_when_finished "git update-ref -d refs/tags/invalid" &&
159 test_must_fail git fsck --tags >out &&
160 cat out &&
161 grep "broken link" out
162 '
163
164 test_expect_success 'tag pointing to something else than its type' '
165 sha=$(echo blob | git hash-object -w --stdin) &&
166 test_when_finished "remove_object $sha" &&
167 cat >wrong-tag <<-EOF &&
168 object $sha
169 type commit
170 tag wrong
171 tagger T A Gger <tagger@example.com> 1234567890 -0000
172
173 This is an invalid tag.
174 EOF
175
176 tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
177 test_when_finished "remove_object $tag" &&
178 echo $tag >.git/refs/tags/wrong &&
179 test_when_finished "git update-ref -d refs/tags/wrong" &&
180 test_must_fail git fsck --tags
181 '
182
183 test_expect_success 'cleaned up' '
184 git fsck >actual 2>&1 &&
185 test_cmp empty actual
186 '
187
188 test_expect_success 'rev-list --verify-objects' '
189 git rev-list --verify-objects --all >/dev/null 2>out &&
190 test_cmp empty out
191 '
192
193 test_expect_success 'rev-list --verify-objects with bad sha1' '
194 sha=$(echo blob | git hash-object -w --stdin) &&
195 old=$(echo $sha | sed "s+^..+&/+") &&
196 new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
197 sha="$(dirname $new)$(basename $new)" &&
198 mv .git/objects/$old .git/objects/$new &&
199 test_when_finished "remove_object $sha" &&
200 git update-index --add --cacheinfo 100644 $sha foo &&
201 test_when_finished "git read-tree -u --reset HEAD" &&
202 tree=$(git write-tree) &&
203 test_when_finished "remove_object $tree" &&
204 cmt=$(echo bogus | git commit-tree $tree) &&
205 test_when_finished "remove_object $cmt" &&
206 git update-ref refs/heads/bogus $cmt &&
207 test_when_finished "git update-ref -d refs/heads/bogus" &&
208
209 test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
210 cat out &&
211 grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
212 '
213
214 _bz='\0'
215 _bz5="$_bz$_bz$_bz$_bz$_bz"
216 _bz20="$_bz5$_bz5$_bz5$_bz5"
217
218 test_expect_success 'fsck notices blob entry pointing to null sha1' '
219 (git init null-blob &&
220 cd null-blob &&
221 sha=$(printf "100644 file$_bz$_bz20" |
222 git hash-object -w --stdin -t tree) &&
223 git fsck 2>out &&
224 cat out &&
225 grep "warning.*null sha1" out
226 )
227 '
228
229 test_expect_success 'fsck notices submodule entry pointing to null sha1' '
230 (git init null-commit &&
231 cd null-commit &&
232 sha=$(printf "160000 submodule$_bz$_bz20" |
233 git hash-object -w --stdin -t tree) &&
234 git fsck 2>out &&
235 cat out &&
236 grep "warning.*null sha1" out
237 )
238 '
239
240 test_done