Merge branch 'maint-1.9' into maint-2.0
[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 $new" out
143 '
144
145 # date is 2^64 + 1
146 test_expect_success 'integer overflow in timestamps is reported' '
147 git cat-file commit HEAD >basis &&
148 sed "s/^\\(author .*>\\) [0-9]*/\\1 18446744073709551617/" \
149 <basis >bad-timestamp &&
150 new=$(git hash-object -t commit -w --stdin <bad-timestamp) &&
151 test_when_finished "remove_object $new" &&
152 git update-ref refs/heads/bogus "$new" &&
153 test_when_finished "git update-ref -d refs/heads/bogus" &&
154 git fsck 2>out &&
155 cat out &&
156 grep "error in commit $new.*integer overflow" out
157 '
158
159 test_expect_success 'tag pointing to nonexistent' '
160 cat >invalid-tag <<-\EOF &&
161 object ffffffffffffffffffffffffffffffffffffffff
162 type commit
163 tag invalid
164 tagger T A Gger <tagger@example.com> 1234567890 -0000
165
166 This is an invalid tag.
167 EOF
168
169 tag=$(git hash-object -t tag -w --stdin <invalid-tag) &&
170 test_when_finished "remove_object $tag" &&
171 echo $tag >.git/refs/tags/invalid &&
172 test_when_finished "git update-ref -d refs/tags/invalid" &&
173 test_must_fail git fsck --tags >out &&
174 cat out &&
175 grep "broken link" out
176 '
177
178 test_expect_success 'tag pointing to something else than its type' '
179 sha=$(echo blob | git hash-object -w --stdin) &&
180 test_when_finished "remove_object $sha" &&
181 cat >wrong-tag <<-EOF &&
182 object $sha
183 type commit
184 tag wrong
185 tagger T A Gger <tagger@example.com> 1234567890 -0000
186
187 This is an invalid tag.
188 EOF
189
190 tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
191 test_when_finished "remove_object $tag" &&
192 echo $tag >.git/refs/tags/wrong &&
193 test_when_finished "git update-ref -d refs/tags/wrong" &&
194 test_must_fail git fsck --tags
195 '
196
197 test_expect_success 'cleaned up' '
198 git fsck >actual 2>&1 &&
199 test_cmp empty actual
200 '
201
202 test_expect_success 'rev-list --verify-objects' '
203 git rev-list --verify-objects --all >/dev/null 2>out &&
204 test_cmp empty out
205 '
206
207 test_expect_success 'rev-list --verify-objects with bad sha1' '
208 sha=$(echo blob | git hash-object -w --stdin) &&
209 old=$(echo $sha | sed "s+^..+&/+") &&
210 new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
211 sha="$(dirname $new)$(basename $new)" &&
212 mv .git/objects/$old .git/objects/$new &&
213 test_when_finished "remove_object $sha" &&
214 git update-index --add --cacheinfo 100644 $sha foo &&
215 test_when_finished "git read-tree -u --reset HEAD" &&
216 tree=$(git write-tree) &&
217 test_when_finished "remove_object $tree" &&
218 cmt=$(echo bogus | git commit-tree $tree) &&
219 test_when_finished "remove_object $cmt" &&
220 git update-ref refs/heads/bogus $cmt &&
221 test_when_finished "git update-ref -d refs/heads/bogus" &&
222
223 test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
224 cat out &&
225 grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
226 '
227
228 _bz='\0'
229 _bz5="$_bz$_bz$_bz$_bz$_bz"
230 _bz20="$_bz5$_bz5$_bz5$_bz5"
231
232 test_expect_success 'fsck notices blob entry pointing to null sha1' '
233 (git init null-blob &&
234 cd null-blob &&
235 sha=$(printf "100644 file$_bz$_bz20" |
236 git hash-object -w --stdin -t tree) &&
237 git fsck 2>out &&
238 cat out &&
239 grep "warning.*null sha1" out
240 )
241 '
242
243 test_expect_success 'fsck notices submodule entry pointing to null sha1' '
244 (git init null-commit &&
245 cd null-commit &&
246 sha=$(printf "160000 submodule$_bz$_bz20" |
247 git hash-object -w --stdin -t tree) &&
248 git fsck 2>out &&
249 cat out &&
250 grep "warning.*null sha1" out
251 )
252 '
253
254 while read name path pretty; do
255 while read mode type; do
256 : ${pretty:=$path}
257 test_expect_success "fsck notices $pretty as $type" '
258 (
259 git init $name-$type &&
260 cd $name-$type &&
261 echo content >file &&
262 git add file &&
263 git commit -m base &&
264 blob=$(git rev-parse :file) &&
265 tree=$(git rev-parse HEAD^{tree}) &&
266 value=$(eval "echo \$$type") &&
267 printf "$mode $type %s\t%s" "$value" "$path" >bad &&
268 bad_tree=$(git mktree <bad) &&
269 git fsck 2>out &&
270 cat out &&
271 grep "warning.*tree $bad_tree" out
272 )'
273 done <<-\EOF
274 100644 blob
275 040000 tree
276 EOF
277 done <<-EOF
278 dot .
279 dotdot ..
280 dotgit .git
281 dotgit-case .GIT
282 dotgit-unicode .gI${u200c}T .gI{u200c}T
283 dotgit-case2 .Git
284 git-tilde1 git~1
285 dotgitdot .git.
286 dot-backslash-case .\\\\.GIT\\\\foobar
287 dotgit-case-backslash .git\\\\foobar
288 EOF
289
290 test_expect_success 'fsck allows .Ňit' '
291 (
292 git init not-dotgit &&
293 cd not-dotgit &&
294 echo content >file &&
295 git add file &&
296 git commit -m base &&
297 blob=$(git rev-parse :file) &&
298 printf "100644 blob $blob\t.\\305\\207it" >tree &&
299 tree=$(git mktree <tree) &&
300 git fsck 2>err &&
301 test_line_count = 0 err
302 )
303 '
304
305 test_done