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469e2ebf JH |
1 | #!/bin/sh |
2 | ||
dbedf8bf JN |
3 | test_description='git fsck random collection of tests |
4 | ||
5 | * (HEAD) B | |
6 | * (master) A | |
7 | ' | |
469e2ebf JH |
8 | |
9 | . ./test-lib.sh | |
10 | ||
11 | test_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 && |
469e2ebf JH |
16 | git checkout HEAD^0 && |
17 | test_commit B fileB two && | |
18 | git tag -d A B && | |
dbedf8bf JN |
19 | git reflog expire --expire=now --all && |
20 | >empty | |
469e2ebf JH |
21 | ' |
22 | ||
e15ef669 JH |
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 && | |
c6a13b2c | 30 | git fsck --no-dangling >../actual 2>&1 |
dbedf8bf | 31 | ) && |
dbedf8bf | 32 | test_cmp empty actual |
e15ef669 JH |
33 | ' |
34 | ||
dbedf8bf JN |
35 | test_expect_success 'HEAD is part of refs, valid objects appear valid' ' |
36 | git fsck >actual 2>&1 && | |
37 | test_cmp empty actual | |
0adc6a3d JN |
38 | ' |
39 | ||
02a6552c TR |
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 | ||
dbedf8bf JN |
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 "$file" | |
53 | } | |
54 | ' | |
55 | ||
02a6552c TR |
56 | test_expect_success 'object with bad sha1' ' |
57 | sha=$(echo blob | git hash-object -w --stdin) && | |
02a6552c TR |
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 $cmt && |
dbedf8bf JN |
70 | test_when_finished "git update-ref -d refs/heads/bogus" && |
71 | ||
72 | test_might_fail git fsck 2>out && | |
73 | cat out && | |
74 | grep "$sha.*corrupt" out | |
02a6552c TR |
75 | ' |
76 | ||
77 | test_expect_success 'branch pointing to non-commit' ' | |
dbedf8bf JN |
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 && |
dbedf8bf JN |
81 | cat out && |
82 | grep "not a commit" out | |
02a6552c TR |
83 | ' |
84 | ||
daae1922 JN |
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) && | |
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" && |
daae1922 JN |
92 | git fsck 2>out && |
93 | cat out && | |
dbedf8bf | 94 | ! grep "commit $new" out |
daae1922 | 95 | ' |
daae1922 | 96 | |
daae1922 JN |
97 | test_expect_success 'email with embedded > is not okay' ' |
98 | git cat-file commit HEAD >basis && | |
99 | sed "s/@[a-z]/&>/" basis >bad-email && | |
100 | new=$(git hash-object -t commit -w --stdin <bad-email) && | |
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" && |
daae1922 JN |
104 | git fsck 2>out && |
105 | cat out && | |
106 | grep "error in commit $new" out | |
107 | ' | |
02a6552c | 108 | |
53f53cff | 109 | test_expect_success 'missing < email delimiter is reported nicely' ' |
e3c98120 DI |
110 | git cat-file commit HEAD >basis && |
111 | sed "s/<//" basis >bad-email-2 && | |
112 | new=$(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 $new.* - bad name" out | |
119 | ' | |
120 | ||
53f53cff | 121 | test_expect_success 'missing email is reported nicely' ' |
e3c98120 DI |
122 | git cat-file commit HEAD >basis && |
123 | sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 && | |
124 | new=$(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 $new.* - missing email" out | |
131 | ' | |
132 | ||
53f53cff | 133 | test_expect_success '> in name is reported' ' |
e3c98120 DI |
134 | git cat-file commit HEAD >basis && |
135 | sed "s/ </> </" basis >bad-email-4 && | |
136 | new=$(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 $new" out | |
143 | ' | |
144 | ||
d4b8de04 JK |
145 | # date is 2^64 + 1 |
146 | test_expect_success 'integer overflow in timestamps is reported' ' | |
147 | git cat-file commit HEAD >basis && | |
148 | sed "s/^\\(author .*>\\) [0-9]*/\\1 18446744073709551617/" \ | |
149 | <basis >bad-timestamp && | |
150 | new=$(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 $new.*integer overflow" out | |
157 | ' | |
158 | ||
4551d035 | 159 | test_expect_success 'tag pointing to nonexistent' ' |
a48fcd83 | 160 | cat >invalid-tag <<-\EOF && |
dbedf8bf JN |
161 | object ffffffffffffffffffffffffffffffffffffffff |
162 | type commit | |
163 | tag invalid | |
164 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
165 | ||
166 | This is an invalid tag. | |
167 | EOF | |
168 | ||
169 | tag=$(git hash-object -t tag -w --stdin <invalid-tag) && | |
170 | test_when_finished "remove_object $tag" && | |
171 | echo $tag >.git/refs/tags/invalid && | |
172 | test_when_finished "git update-ref -d refs/tags/invalid" && | |
4551d035 | 173 | test_must_fail git fsck --tags >out && |
02a6552c | 174 | cat out && |
dbedf8bf | 175 | grep "broken link" out |
02a6552c TR |
176 | ' |
177 | ||
4551d035 | 178 | test_expect_success 'tag pointing to something else than its type' ' |
dbedf8bf JN |
179 | sha=$(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 $tag >.git/refs/tags/wrong && | |
193 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
9dad83be | 194 | test_must_fail git fsck --tags |
02a6552c TR |
195 | ' |
196 | ||
dbedf8bf JN |
197 | test_expect_success 'cleaned up' ' |
198 | git fsck >actual 2>&1 && | |
199 | test_cmp empty actual | |
200 | ' | |
02a6552c | 201 | |
cb8da705 CB |
202 | test_expect_success 'rev-list --verify-objects' ' |
203 | git rev-list --verify-objects --all >/dev/null 2>out && | |
204 | test_cmp empty out | |
205 | ' | |
206 | ||
207 | test_expect_success 'rev-list --verify-objects with bad sha1' ' | |
208 | sha=$(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 $cmt && | |
221 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
222 | ||
223 | test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out && | |
224 | cat out && | |
225 | grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out | |
226 | ' | |
227 | ||
c479d14a JK |
228 | _bz='\0' |
229 | _bz5="$_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 | ||
5d34a435 JK |
254 | test_expect_success 'fsck notices "." and ".." in trees' ' |
255 | ( | |
256 | git init dots && | |
257 | cd dots && | |
258 | blob=$(echo foo | git hash-object -w --stdin) && | |
259 | tab=$(printf "\\t") && | |
260 | git mktree <<-EOF && | |
261 | 100644 blob $blob$tab. | |
262 | 100644 blob $blob$tab.. | |
263 | EOF | |
264 | git fsck 2>out && | |
265 | cat out && | |
266 | grep "warning.*\\." out | |
267 | ) | |
268 | ' | |
269 | ||
5c17f512 JK |
270 | test_expect_success 'fsck notices ".git" in trees' ' |
271 | ( | |
272 | git init dotgit && | |
273 | cd dotgit && | |
274 | blob=$(echo foo | git hash-object -w --stdin) && | |
275 | tab=$(printf "\\t") && | |
276 | git mktree <<-EOF && | |
277 | 100644 blob $blob$tab.git | |
278 | EOF | |
279 | git fsck 2>out && | |
280 | cat out && | |
281 | grep "warning.*\\.git" out | |
282 | ) | |
283 | ' | |
284 | ||
469e2ebf | 285 | test_done |