Merge branch 'jk/fsck-dot-in-trees'
[git/git.git] / t / t1450-fsck.sh
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1#!/bin/sh
2
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3test_description='git fsck random collection of tests
4
5* (HEAD) B
6* (master) A
7'
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8
9. ./test-lib.sh
10
11test_expect_success setup '
dbedf8bf 12 git config gc.auto 0 &&
0adc6a3d 13 git config i18n.commitencoding ISO-8859-1 &&
469e2ebf 14 test_commit A fileA one &&
0adc6a3d 15 git config --unset i18n.commitencoding &&
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16 git checkout HEAD^0 &&
17 test_commit B fileB two &&
18 git tag -d A B &&
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19 git reflog expire --expire=now --all &&
20 >empty
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21'
22
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23test_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 &&
c6a13b2c 30 git fsck --no-dangling >../actual 2>&1
dbedf8bf 31 ) &&
dbedf8bf 32 test_cmp empty actual
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33'
34
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35test_expect_success 'HEAD is part of refs, valid objects appear valid' '
36 git fsck >actual 2>&1 &&
37 test_cmp empty actual
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38'
39
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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
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44test_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 "$file"
53 }
54'
55
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56test_expect_success 'object with bad sha1' '
57 sha=$(echo blob | git hash-object -w --stdin) &&
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58 old=$(echo $sha | sed "s+^..+&/+") &&
59 new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
a48fcd83 60 sha="$(dirname $new)$(basename $new)" &&
02a6552c 61 mv .git/objects/$old .git/objects/$new &&
dbedf8bf 62 test_when_finished "remove_object $sha" &&
02a6552c 63 git update-index --add --cacheinfo 100644 $sha foo &&
dbedf8bf 64 test_when_finished "git read-tree -u --reset HEAD" &&
02a6552c 65 tree=$(git write-tree) &&
dbedf8bf 66 test_when_finished "remove_object $tree" &&
02a6552c 67 cmt=$(echo bogus | git commit-tree $tree) &&
dbedf8bf 68 test_when_finished "remove_object $cmt" &&
02a6552c 69 git update-ref refs/heads/bogus $cmt &&
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70 test_when_finished "git update-ref -d refs/heads/bogus" &&
71
72 test_might_fail git fsck 2>out &&
73 cat out &&
74 grep "$sha.*corrupt" out
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75'
76
77test_expect_success 'branch pointing to non-commit' '
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78 git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
79 test_when_finished "git update-ref -d refs/heads/invalid" &&
02a6552c 80 git fsck 2>out &&
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81 cat out &&
82 grep "not a commit" out
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83'
84
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85test_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) &&
dbedf8bf 89 test_when_finished "remove_object $new" &&
daae1922 90 git update-ref refs/heads/bogus "$new" &&
dbedf8bf 91 test_when_finished "git update-ref -d refs/heads/bogus" &&
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92 git fsck 2>out &&
93 cat out &&
dbedf8bf 94 ! grep "commit $new" out
daae1922 95'
daae1922 96
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97test_expect_success 'email with embedded > is not okay' '
98 git cat-file commit HEAD >basis &&
99 sed "s/@[a-z]/&>/" basis >bad-email &&
100 new=$(git hash-object -t commit -w --stdin <bad-email) &&
dbedf8bf 101 test_when_finished "remove_object $new" &&
daae1922 102 git update-ref refs/heads/bogus "$new" &&
dbedf8bf 103 test_when_finished "git update-ref -d refs/heads/bogus" &&
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104 git fsck 2>out &&
105 cat out &&
106 grep "error in commit $new" out
107'
02a6552c 108
53f53cff 109test_expect_success 'missing < email delimiter is reported nicely' '
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110 git cat-file commit HEAD >basis &&
111 sed "s/<//" basis >bad-email-2 &&
112 new=$(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 $new.* - bad name" out
119'
120
53f53cff 121test_expect_success 'missing email is reported nicely' '
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122 git cat-file commit HEAD >basis &&
123 sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 &&
124 new=$(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 $new.* - missing email" out
131'
132
53f53cff 133test_expect_success '> in name is reported' '
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134 git cat-file commit HEAD >basis &&
135 sed "s/ </> </" basis >bad-email-4 &&
136 new=$(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 $new" out
143'
144
4551d035 145test_expect_success 'tag pointing to nonexistent' '
a48fcd83 146 cat >invalid-tag <<-\EOF &&
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147 object ffffffffffffffffffffffffffffffffffffffff
148 type commit
149 tag invalid
150 tagger T A Gger <tagger@example.com> 1234567890 -0000
151
152 This is an invalid tag.
153 EOF
154
155 tag=$(git hash-object -t tag -w --stdin <invalid-tag) &&
156 test_when_finished "remove_object $tag" &&
157 echo $tag >.git/refs/tags/invalid &&
158 test_when_finished "git update-ref -d refs/tags/invalid" &&
4551d035 159 test_must_fail git fsck --tags >out &&
02a6552c 160 cat out &&
dbedf8bf 161 grep "broken link" out
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162'
163
4551d035 164test_expect_success 'tag pointing to something else than its type' '
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165 sha=$(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 $tag >.git/refs/tags/wrong &&
179 test_when_finished "git update-ref -d refs/tags/wrong" &&
9dad83be 180 test_must_fail git fsck --tags
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181'
182
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183test_expect_success 'cleaned up' '
184 git fsck >actual 2>&1 &&
185 test_cmp empty actual
186'
02a6552c 187
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188test_expect_success 'rev-list --verify-objects' '
189 git rev-list --verify-objects --all >/dev/null 2>out &&
190 test_cmp empty out
191'
192
193test_expect_success 'rev-list --verify-objects with bad sha1' '
194 sha=$(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 $cmt &&
207 test_when_finished "git update-ref -d refs/heads/bogus" &&
208
209 test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
210 cat out &&
211 grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
212'
213
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214_bz='\0'
215_bz5="$_bz$_bz$_bz$_bz$_bz"
216_bz20="$_bz5$_bz5$_bz5$_bz5"
217
218test_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$_bz20" |
222 git hash-object -w --stdin -t tree) &&
223 git fsck 2>out &&
224 cat out &&
225 grep "warning.*null sha1" out
226 )
227'
228
229test_expect_success 'fsck notices submodule entry pointing to null sha1' '
230 (git init null-commit &&
231 cd null-commit &&
232 sha=$(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
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240test_expect_success 'fsck notices "." and ".." in trees' '
241 (
242 git init dots &&
243 cd dots &&
244 blob=$(echo foo | git hash-object -w --stdin) &&
245 tab=$(printf "\\t") &&
246 git mktree <<-EOF &&
247 100644 blob $blob$tab.
248 100644 blob $blob$tab..
249 EOF
250 git fsck 2>out &&
251 cat out &&
252 grep "warning.*\\." out
253 )
254'
255
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256test_expect_success 'fsck notices ".git" in trees' '
257 (
258 git init dotgit &&
259 cd dotgit &&
260 blob=$(echo foo | git hash-object -w --stdin) &&
261 tab=$(printf "\\t") &&
262 git mktree <<-EOF &&
263 100644 blob $blob$tab.git
264 EOF
265 git fsck 2>out &&
266 cat out &&
267 grep "warning.*\\.git" out
268 )
269'
270
469e2ebf 271test_done