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Commit | Line | Data |
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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 && | |
1c5e94f4 | 19 | git reflog expire --expire=now --all |
469e2ebf JH |
20 | ' |
21 | ||
e15ef669 JH |
22 | test_expect_success 'loose objects borrowed from alternate are not missing' ' |
23 | mkdir another && | |
24 | ( | |
25 | cd another && | |
26 | git init && | |
27 | echo ../../../.git/objects >.git/objects/info/alternates && | |
28 | test_commit C fileC one && | |
c6a13b2c | 29 | git fsck --no-dangling >../actual 2>&1 |
dbedf8bf | 30 | ) && |
1c5e94f4 | 31 | test_must_be_empty actual |
e15ef669 JH |
32 | ' |
33 | ||
dbedf8bf JN |
34 | test_expect_success 'HEAD is part of refs, valid objects appear valid' ' |
35 | git fsck >actual 2>&1 && | |
1c5e94f4 | 36 | test_must_be_empty actual |
0adc6a3d JN |
37 | ' |
38 | ||
02a6552c TR |
39 | # Corruption tests follow. Make sure to remove all traces of the |
40 | # specific corruption you test afterwards, lest a later test trip over | |
41 | # it. | |
42 | ||
dbedf8bf JN |
43 | test_expect_success 'setup: helpers for corruption tests' ' |
44 | sha1_file() { | |
0b20f1a2 JK |
45 | remainder=${1#??} && |
46 | firsttwo=${1%$remainder} && | |
47 | echo ".git/objects/$firsttwo/$remainder" | |
dbedf8bf JN |
48 | } && |
49 | ||
50 | remove_object() { | |
0b20f1a2 | 51 | rm "$(sha1_file "$1")" |
dbedf8bf JN |
52 | } |
53 | ' | |
54 | ||
02a6552c TR |
55 | test_expect_success 'object with bad sha1' ' |
56 | sha=$(echo blob | git hash-object -w --stdin) && | |
02a6552c TR |
57 | old=$(echo $sha | sed "s+^..+&/+") && |
58 | new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff && | |
a48fcd83 | 59 | sha="$(dirname $new)$(basename $new)" && |
02a6552c | 60 | mv .git/objects/$old .git/objects/$new && |
dbedf8bf | 61 | test_when_finished "remove_object $sha" && |
02a6552c | 62 | git update-index --add --cacheinfo 100644 $sha foo && |
dbedf8bf | 63 | test_when_finished "git read-tree -u --reset HEAD" && |
02a6552c | 64 | tree=$(git write-tree) && |
dbedf8bf | 65 | test_when_finished "remove_object $tree" && |
02a6552c | 66 | cmt=$(echo bogus | git commit-tree $tree) && |
dbedf8bf | 67 | test_when_finished "remove_object $cmt" && |
02a6552c | 68 | git update-ref refs/heads/bogus $cmt && |
dbedf8bf JN |
69 | test_when_finished "git update-ref -d refs/heads/bogus" && |
70 | ||
2e770fe4 | 71 | test_must_fail git fsck 2>out && |
dbedf8bf | 72 | cat out && |
674ba340 | 73 | test_i18ngrep "$sha.*corrupt" out |
02a6552c TR |
74 | ' |
75 | ||
76 | test_expect_success 'branch pointing to non-commit' ' | |
dbedf8bf JN |
77 | git rev-parse HEAD^{tree} >.git/refs/heads/invalid && |
78 | test_when_finished "git update-ref -d refs/heads/invalid" && | |
122f76f5 | 79 | test_must_fail git fsck 2>out && |
dbedf8bf | 80 | cat out && |
674ba340 | 81 | test_i18ngrep "not a commit" out |
02a6552c TR |
82 | ' |
83 | ||
122f76f5 JH |
84 | test_expect_success 'HEAD link pointing at a funny object' ' |
85 | test_when_finished "mv .git/SAVED_HEAD .git/HEAD" && | |
86 | mv .git/HEAD .git/SAVED_HEAD && | |
87 | echo 0000000000000000000000000000000000000000 >.git/HEAD && | |
88 | # avoid corrupt/broken HEAD from interfering with repo discovery | |
89 | test_must_fail env GIT_DIR=.git git fsck 2>out && | |
90 | cat out && | |
674ba340 | 91 | test_i18ngrep "detached HEAD points" out |
122f76f5 JH |
92 | ' |
93 | ||
94 | test_expect_success 'HEAD link pointing at a funny place' ' | |
95 | test_when_finished "mv .git/SAVED_HEAD .git/HEAD" && | |
96 | mv .git/HEAD .git/SAVED_HEAD && | |
97 | echo "ref: refs/funny/place" >.git/HEAD && | |
98 | # avoid corrupt/broken HEAD from interfering with repo discovery | |
99 | test_must_fail env GIT_DIR=.git git fsck 2>out && | |
100 | cat out && | |
674ba340 | 101 | test_i18ngrep "HEAD points to something strange" out |
122f76f5 JH |
102 | ' |
103 | ||
b29759d8 NTND |
104 | test_expect_success 'HEAD link pointing at a funny object (from different wt)' ' |
105 | test_when_finished "mv .git/SAVED_HEAD .git/HEAD" && | |
106 | test_when_finished "rm -rf .git/worktrees wt" && | |
107 | git worktree add wt && | |
108 | mv .git/HEAD .git/SAVED_HEAD && | |
109 | echo $ZERO_OID >.git/HEAD && | |
110 | # avoid corrupt/broken HEAD from interfering with repo discovery | |
111 | test_must_fail git -C wt fsck 2>out && | |
3813a89f | 112 | test_i18ngrep "main-worktree/HEAD: detached HEAD points" out |
b29759d8 NTND |
113 | ' |
114 | ||
115 | test_expect_success 'other worktree HEAD link pointing at a funny object' ' | |
116 | test_when_finished "rm -rf .git/worktrees other" && | |
117 | git worktree add other && | |
118 | echo $ZERO_OID >.git/worktrees/other/HEAD && | |
119 | test_must_fail git fsck 2>out && | |
3813a89f | 120 | test_i18ngrep "worktrees/other/HEAD: detached HEAD points" out |
b29759d8 NTND |
121 | ' |
122 | ||
123 | test_expect_success 'other worktree HEAD link pointing at missing object' ' | |
124 | test_when_finished "rm -rf .git/worktrees other" && | |
125 | git worktree add other && | |
126 | echo "Contents missing from repo" | git hash-object --stdin >.git/worktrees/other/HEAD && | |
127 | test_must_fail git fsck 2>out && | |
3813a89f | 128 | test_i18ngrep "worktrees/other/HEAD: invalid sha1 pointer" out |
b29759d8 NTND |
129 | ' |
130 | ||
131 | test_expect_success 'other worktree HEAD link pointing at a funny place' ' | |
132 | test_when_finished "rm -rf .git/worktrees other" && | |
133 | git worktree add other && | |
134 | echo "ref: refs/funny/place" >.git/worktrees/other/HEAD && | |
135 | test_must_fail git fsck 2>out && | |
3813a89f | 136 | test_i18ngrep "worktrees/other/HEAD points to something strange" out |
b29759d8 NTND |
137 | ' |
138 | ||
daae1922 JN |
139 | test_expect_success 'email without @ is okay' ' |
140 | git cat-file commit HEAD >basis && | |
141 | sed "s/@/AT/" basis >okay && | |
142 | new=$(git hash-object -t commit -w --stdin <okay) && | |
dbedf8bf | 143 | test_when_finished "remove_object $new" && |
daae1922 | 144 | git update-ref refs/heads/bogus "$new" && |
dbedf8bf | 145 | test_when_finished "git update-ref -d refs/heads/bogus" && |
daae1922 JN |
146 | git fsck 2>out && |
147 | cat out && | |
dbedf8bf | 148 | ! grep "commit $new" out |
daae1922 | 149 | ' |
daae1922 | 150 | |
daae1922 JN |
151 | test_expect_success 'email with embedded > is not okay' ' |
152 | git cat-file commit HEAD >basis && | |
153 | sed "s/@[a-z]/&>/" basis >bad-email && | |
154 | new=$(git hash-object -t commit -w --stdin <bad-email) && | |
dbedf8bf | 155 | test_when_finished "remove_object $new" && |
daae1922 | 156 | git update-ref refs/heads/bogus "$new" && |
dbedf8bf | 157 | test_when_finished "git update-ref -d refs/heads/bogus" && |
2e770fe4 | 158 | test_must_fail git fsck 2>out && |
daae1922 | 159 | cat out && |
674ba340 | 160 | test_i18ngrep "error in commit $new" out |
daae1922 | 161 | ' |
02a6552c | 162 | |
53f53cff | 163 | test_expect_success 'missing < email delimiter is reported nicely' ' |
e3c98120 DI |
164 | git cat-file commit HEAD >basis && |
165 | sed "s/<//" basis >bad-email-2 && | |
166 | new=$(git hash-object -t commit -w --stdin <bad-email-2) && | |
167 | test_when_finished "remove_object $new" && | |
168 | git update-ref refs/heads/bogus "$new" && | |
169 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
2e770fe4 | 170 | test_must_fail git fsck 2>out && |
e3c98120 | 171 | cat out && |
674ba340 | 172 | test_i18ngrep "error in commit $new.* - bad name" out |
e3c98120 DI |
173 | ' |
174 | ||
53f53cff | 175 | test_expect_success 'missing email is reported nicely' ' |
e3c98120 DI |
176 | git cat-file commit HEAD >basis && |
177 | sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 && | |
178 | new=$(git hash-object -t commit -w --stdin <bad-email-3) && | |
179 | test_when_finished "remove_object $new" && | |
180 | git update-ref refs/heads/bogus "$new" && | |
181 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
2e770fe4 | 182 | test_must_fail git fsck 2>out && |
e3c98120 | 183 | cat out && |
674ba340 | 184 | test_i18ngrep "error in commit $new.* - missing email" out |
e3c98120 DI |
185 | ' |
186 | ||
53f53cff | 187 | test_expect_success '> in name is reported' ' |
e3c98120 DI |
188 | git cat-file commit HEAD >basis && |
189 | sed "s/ </> </" basis >bad-email-4 && | |
190 | new=$(git hash-object -t commit -w --stdin <bad-email-4) && | |
191 | test_when_finished "remove_object $new" && | |
192 | git update-ref refs/heads/bogus "$new" && | |
193 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
2e770fe4 | 194 | test_must_fail git fsck 2>out && |
e3c98120 | 195 | cat out && |
674ba340 | 196 | test_i18ngrep "error in commit $new" out |
e3c98120 DI |
197 | ' |
198 | ||
d4b8de04 JK |
199 | # date is 2^64 + 1 |
200 | test_expect_success 'integer overflow in timestamps is reported' ' | |
201 | git cat-file commit HEAD >basis && | |
202 | sed "s/^\\(author .*>\\) [0-9]*/\\1 18446744073709551617/" \ | |
203 | <basis >bad-timestamp && | |
204 | new=$(git hash-object -t commit -w --stdin <bad-timestamp) && | |
205 | test_when_finished "remove_object $new" && | |
206 | git update-ref refs/heads/bogus "$new" && | |
207 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
2e770fe4 | 208 | test_must_fail git fsck 2>out && |
d4b8de04 | 209 | cat out && |
674ba340 | 210 | test_i18ngrep "error in commit $new.*integer overflow" out |
d4b8de04 JK |
211 | ' |
212 | ||
80c7f5a0 RS |
213 | test_expect_success 'commit with NUL in header' ' |
214 | git cat-file commit HEAD >basis && | |
215 | sed "s/author ./author Q/" <basis | q_to_nul >commit-NUL-header && | |
216 | new=$(git hash-object -t commit -w --stdin <commit-NUL-header) && | |
217 | test_when_finished "remove_object $new" && | |
218 | git update-ref refs/heads/bogus "$new" && | |
219 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
220 | test_must_fail git fsck 2>out && | |
221 | cat out && | |
674ba340 | 222 | test_i18ngrep "error in commit $new.*unterminated header: NUL at offset" out |
80c7f5a0 RS |
223 | ' |
224 | ||
8354fa3d | 225 | test_expect_success 'tree object with duplicate entries' ' |
1ada11ee | 226 | test_when_finished "for i in \$T; do remove_object \$i; done" && |
2e770fe4 JK |
227 | T=$( |
228 | GIT_INDEX_FILE=test-index && | |
229 | export GIT_INDEX_FILE && | |
230 | rm -f test-index && | |
231 | >x && | |
232 | git add x && | |
1ada11ee | 233 | git rev-parse :x && |
2e770fe4 | 234 | T=$(git write-tree) && |
1ada11ee | 235 | echo $T && |
2e770fe4 JK |
236 | ( |
237 | git cat-file tree $T && | |
238 | git cat-file tree $T | |
239 | ) | | |
240 | git hash-object -w -t tree --stdin | |
241 | ) && | |
242 | test_must_fail git fsck 2>out && | |
674ba340 | 243 | test_i18ngrep "error in tree .*contains duplicate file entries" out |
2e770fe4 JK |
244 | ' |
245 | ||
8354fa3d DT |
246 | test_expect_success 'unparseable tree object' ' |
247 | test_when_finished "git update-ref -d refs/heads/wrong" && | |
248 | test_when_finished "remove_object \$tree_sha1" && | |
249 | test_when_finished "remove_object \$commit_sha1" && | |
250 | tree_sha1=$(printf "100644 \0twenty-bytes-of-junk" | git hash-object -t tree --stdin -w --literally) && | |
251 | commit_sha1=$(git commit-tree $tree_sha1) && | |
252 | git update-ref refs/heads/wrong $commit_sha1 && | |
253 | test_must_fail git fsck 2>out && | |
254 | test_i18ngrep "error: empty filename in tree entry" out && | |
255 | test_i18ngrep "$tree_sha1" out && | |
256 | test_i18ngrep ! "fatal: empty filename in tree entry" out | |
257 | ' | |
258 | ||
2720f6db RS |
259 | test_expect_success 'tree entry with type mismatch' ' |
260 | test_when_finished "remove_object \$blob" && | |
261 | test_when_finished "remove_object \$tree" && | |
262 | test_when_finished "remove_object \$commit" && | |
263 | test_when_finished "git update-ref -d refs/heads/type_mismatch" && | |
264 | blob=$(echo blob | git hash-object -w --stdin) && | |
265 | blob_bin=$(echo $blob | hex2oct) && | |
266 | tree=$( | |
267 | printf "40000 dir\0${blob_bin}100644 file\0${blob_bin}" | | |
268 | git hash-object -t tree --stdin -w --literally | |
269 | ) && | |
270 | commit=$(git commit-tree $tree) && | |
271 | git update-ref refs/heads/type_mismatch $commit && | |
272 | test_must_fail git fsck >out 2>&1 && | |
273 | test_i18ngrep "is a blob, not a tree" out && | |
274 | test_i18ngrep ! "dangling blob" out | |
275 | ' | |
276 | ||
4551d035 | 277 | test_expect_success 'tag pointing to nonexistent' ' |
a48fcd83 | 278 | cat >invalid-tag <<-\EOF && |
dbedf8bf JN |
279 | object ffffffffffffffffffffffffffffffffffffffff |
280 | type commit | |
281 | tag invalid | |
282 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
283 | ||
284 | This is an invalid tag. | |
285 | EOF | |
286 | ||
287 | tag=$(git hash-object -t tag -w --stdin <invalid-tag) && | |
288 | test_when_finished "remove_object $tag" && | |
289 | echo $tag >.git/refs/tags/invalid && | |
290 | test_when_finished "git update-ref -d refs/tags/invalid" && | |
4551d035 | 291 | test_must_fail git fsck --tags >out && |
02a6552c | 292 | cat out && |
674ba340 | 293 | test_i18ngrep "broken link" out |
02a6552c TR |
294 | ' |
295 | ||
4551d035 | 296 | test_expect_success 'tag pointing to something else than its type' ' |
dbedf8bf JN |
297 | sha=$(echo blob | git hash-object -w --stdin) && |
298 | test_when_finished "remove_object $sha" && | |
299 | cat >wrong-tag <<-EOF && | |
300 | object $sha | |
301 | type commit | |
302 | tag wrong | |
303 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
304 | ||
305 | This is an invalid tag. | |
306 | EOF | |
307 | ||
308 | tag=$(git hash-object -t tag -w --stdin <wrong-tag) && | |
309 | test_when_finished "remove_object $tag" && | |
310 | echo $tag >.git/refs/tags/wrong && | |
311 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
9dad83be | 312 | test_must_fail git fsck --tags |
02a6552c TR |
313 | ' |
314 | ||
90e3e5f0 JS |
315 | test_expect_success 'tag with incorrect tag name & missing tagger' ' |
316 | sha=$(git rev-parse HEAD) && | |
317 | cat >wrong-tag <<-EOF && | |
318 | object $sha | |
319 | type commit | |
320 | tag wrong name format | |
321 | ||
322 | This is an invalid tag. | |
323 | EOF | |
324 | ||
325 | tag=$(git hash-object -t tag -w --stdin <wrong-tag) && | |
326 | test_when_finished "remove_object $tag" && | |
327 | echo $tag >.git/refs/tags/wrong && | |
328 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
329 | git fsck --tags 2>out && | |
7add4419 JK |
330 | |
331 | cat >expect <<-EOF && | |
71ab8fa8 JS |
332 | warning in tag $tag: badTagName: invalid '\''tag'\'' name: wrong name format |
333 | warning in tag $tag: missingTaggerEntry: invalid format - expected '\''tagger'\'' line | |
7add4419 | 334 | EOF |
674ba340 | 335 | test_i18ncmp expect out |
90e3e5f0 JS |
336 | ' |
337 | ||
b659605d JH |
338 | test_expect_success 'tag with bad tagger' ' |
339 | sha=$(git rev-parse HEAD) && | |
340 | cat >wrong-tag <<-EOF && | |
341 | object $sha | |
342 | type commit | |
343 | tag not-quite-wrong | |
344 | tagger Bad Tagger Name | |
345 | ||
346 | This is an invalid tag. | |
347 | EOF | |
348 | ||
349 | tag=$(git hash-object --literally -t tag -w --stdin <wrong-tag) && | |
350 | test_when_finished "remove_object $tag" && | |
351 | echo $tag >.git/refs/tags/wrong && | |
352 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
353 | test_must_fail git fsck --tags 2>out && | |
674ba340 | 354 | test_i18ngrep "error in tag .*: invalid author/committer" out |
b659605d JH |
355 | ' |
356 | ||
8a272f29 | 357 | test_expect_success 'tag with NUL in header' ' |
80c7f5a0 RS |
358 | sha=$(git rev-parse HEAD) && |
359 | q_to_nul >tag-NUL-header <<-EOF && | |
360 | object $sha | |
361 | type commit | |
362 | tag contains-Q-in-header | |
363 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
364 | ||
365 | This is an invalid tag. | |
366 | EOF | |
367 | ||
368 | tag=$(git hash-object --literally -t tag -w --stdin <tag-NUL-header) && | |
369 | test_when_finished "remove_object $tag" && | |
370 | echo $tag >.git/refs/tags/wrong && | |
371 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
372 | test_must_fail git fsck --tags 2>out && | |
373 | cat out && | |
674ba340 | 374 | test_i18ngrep "error in tag $tag.*unterminated header: NUL at offset" out |
80c7f5a0 RS |
375 | ' |
376 | ||
dbedf8bf JN |
377 | test_expect_success 'cleaned up' ' |
378 | git fsck >actual 2>&1 && | |
1c5e94f4 | 379 | test_must_be_empty actual |
dbedf8bf | 380 | ' |
02a6552c | 381 | |
cb8da705 CB |
382 | test_expect_success 'rev-list --verify-objects' ' |
383 | git rev-list --verify-objects --all >/dev/null 2>out && | |
1c5e94f4 | 384 | test_must_be_empty out |
cb8da705 CB |
385 | ' |
386 | ||
387 | test_expect_success 'rev-list --verify-objects with bad sha1' ' | |
388 | sha=$(echo blob | git hash-object -w --stdin) && | |
389 | old=$(echo $sha | sed "s+^..+&/+") && | |
390 | new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff && | |
391 | sha="$(dirname $new)$(basename $new)" && | |
392 | mv .git/objects/$old .git/objects/$new && | |
393 | test_when_finished "remove_object $sha" && | |
394 | git update-index --add --cacheinfo 100644 $sha foo && | |
395 | test_when_finished "git read-tree -u --reset HEAD" && | |
396 | tree=$(git write-tree) && | |
397 | test_when_finished "remove_object $tree" && | |
398 | cmt=$(echo bogus | git commit-tree $tree) && | |
399 | test_when_finished "remove_object $cmt" && | |
400 | git update-ref refs/heads/bogus $cmt && | |
401 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
402 | ||
403 | test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out && | |
404 | cat out && | |
01f8d594 | 405 | test_i18ngrep -q "error: hash mismatch 63ffffffffffffffffffffffffffffffffffffff" out |
cb8da705 CB |
406 | ' |
407 | ||
2becf00f JS |
408 | test_expect_success 'force fsck to ignore double author' ' |
409 | git cat-file commit HEAD >basis && | |
410 | sed "s/^author .*/&,&/" <basis | tr , \\n >multiple-authors && | |
411 | new=$(git hash-object -t commit -w --stdin <multiple-authors) && | |
412 | test_when_finished "remove_object $new" && | |
413 | git update-ref refs/heads/bogus "$new" && | |
414 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
415 | test_must_fail git fsck && | |
416 | git -c fsck.multipleAuthors=ignore fsck | |
417 | ' | |
418 | ||
c479d14a JK |
419 | _bz='\0' |
420 | _bz5="$_bz$_bz$_bz$_bz$_bz" | |
421 | _bz20="$_bz5$_bz5$_bz5$_bz5" | |
422 | ||
423 | test_expect_success 'fsck notices blob entry pointing to null sha1' ' | |
424 | (git init null-blob && | |
425 | cd null-blob && | |
426 | sha=$(printf "100644 file$_bz$_bz20" | | |
427 | git hash-object -w --stdin -t tree) && | |
428 | git fsck 2>out && | |
429 | cat out && | |
674ba340 | 430 | test_i18ngrep "warning.*null sha1" out |
c479d14a JK |
431 | ) |
432 | ' | |
433 | ||
434 | test_expect_success 'fsck notices submodule entry pointing to null sha1' ' | |
435 | (git init null-commit && | |
436 | cd null-commit && | |
437 | sha=$(printf "160000 submodule$_bz$_bz20" | | |
438 | git hash-object -w --stdin -t tree) && | |
439 | git fsck 2>out && | |
440 | cat out && | |
674ba340 | 441 | test_i18ngrep "warning.*null sha1" out |
c479d14a JK |
442 | ) |
443 | ' | |
444 | ||
a18fcc9f | 445 | while read name path pretty; do |
450870cb | 446 | while read mode type; do |
a18fcc9f JK |
447 | : ${pretty:=$path} |
448 | test_expect_success "fsck notices $pretty as $type" ' | |
450870cb JK |
449 | ( |
450 | git init $name-$type && | |
451 | cd $name-$type && | |
452 | echo content >file && | |
453 | git add file && | |
454 | git commit -m base && | |
455 | blob=$(git rev-parse :file) && | |
456 | tree=$(git rev-parse HEAD^{tree}) && | |
457 | value=$(eval "echo \$$type") && | |
458 | printf "$mode $type %s\t%s" "$value" "$path" >bad && | |
d08c13b9 | 459 | bad_tree=$(git mktree <bad) && |
450870cb JK |
460 | git fsck 2>out && |
461 | cat out && | |
674ba340 | 462 | test_i18ngrep "warning.*tree $bad_tree" out |
450870cb JK |
463 | )' |
464 | done <<-\EOF | |
465 | 100644 blob | |
466 | 040000 tree | |
467 | EOF | |
a18fcc9f | 468 | done <<-EOF |
450870cb JK |
469 | dot . |
470 | dotdot .. | |
471 | dotgit .git | |
76e86fc6 | 472 | dotgit-case .GIT |
a18fcc9f | 473 | dotgit-unicode .gI${u200c}T .gI{u200c}T |
d08c13b9 JS |
474 | dotgit-case2 .Git |
475 | git-tilde1 git~1 | |
476 | dotgitdot .git. | |
477 | dot-backslash-case .\\\\.GIT\\\\foobar | |
478 | dotgit-case-backslash .git\\\\foobar | |
450870cb | 479 | EOF |
5c17f512 | 480 | |
6aaf956b JK |
481 | test_expect_success 'fsck allows .Ňit' ' |
482 | ( | |
483 | git init not-dotgit && | |
484 | cd not-dotgit && | |
485 | echo content >file && | |
486 | git add file && | |
487 | git commit -m base && | |
488 | blob=$(git rev-parse :file) && | |
489 | printf "100644 blob $blob\t.\\305\\207it" >tree && | |
490 | tree=$(git mktree <tree) && | |
491 | git fsck 2>err && | |
492 | test_line_count = 0 err | |
493 | ) | |
494 | ' | |
495 | ||
6d2d780f JH |
496 | test_expect_success 'NUL in commit' ' |
497 | rm -fr nul-in-commit && | |
498 | git init nul-in-commit && | |
499 | ( | |
500 | cd nul-in-commit && | |
501 | git commit --allow-empty -m "initial commitQNUL after message" && | |
502 | git cat-file commit HEAD >original && | |
503 | q_to_nul <original >munged && | |
504 | git hash-object -w -t commit --stdin <munged >name && | |
505 | git branch bad $(cat name) && | |
506 | ||
507 | test_must_fail git -c fsck.nulInCommit=error fsck 2>warn.1 && | |
674ba340 | 508 | test_i18ngrep nulInCommit warn.1 && |
6d2d780f | 509 | git fsck 2>warn.2 && |
674ba340 | 510 | test_i18ngrep nulInCommit warn.2 |
6d2d780f JH |
511 | ) |
512 | ' | |
513 | ||
30d1038d JK |
514 | # create a static test repo which is broken by omitting |
515 | # one particular object ($1, which is looked up via rev-parse | |
516 | # in the new repository). | |
517 | create_repo_missing () { | |
518 | rm -rf missing && | |
519 | git init missing && | |
520 | ( | |
521 | cd missing && | |
522 | git commit -m one --allow-empty && | |
523 | mkdir subdir && | |
524 | echo content >subdir/file && | |
525 | git add subdir/file && | |
526 | git commit -m two && | |
527 | unrelated=$(echo unrelated | git hash-object --stdin -w) && | |
528 | git tag -m foo tag $unrelated && | |
529 | sha1=$(git rev-parse --verify "$1") && | |
530 | path=$(echo $sha1 | sed 's|..|&/|') && | |
531 | rm .git/objects/$path | |
532 | ) | |
533 | } | |
534 | ||
535 | test_expect_success 'fsck notices missing blob' ' | |
536 | create_repo_missing HEAD:subdir/file && | |
537 | test_must_fail git -C missing fsck | |
538 | ' | |
539 | ||
540 | test_expect_success 'fsck notices missing subtree' ' | |
541 | create_repo_missing HEAD:subdir && | |
542 | test_must_fail git -C missing fsck | |
543 | ' | |
544 | ||
545 | test_expect_success 'fsck notices missing root tree' ' | |
546 | create_repo_missing HEAD^{tree} && | |
547 | test_must_fail git -C missing fsck | |
548 | ' | |
549 | ||
550 | test_expect_success 'fsck notices missing parent' ' | |
551 | create_repo_missing HEAD^ && | |
552 | test_must_fail git -C missing fsck | |
553 | ' | |
554 | ||
555 | test_expect_success 'fsck notices missing tagged object' ' | |
556 | create_repo_missing tag^{blob} && | |
557 | test_must_fail git -C missing fsck | |
558 | ' | |
559 | ||
560 | test_expect_success 'fsck notices ref pointing to missing commit' ' | |
561 | create_repo_missing HEAD && | |
562 | test_must_fail git -C missing fsck | |
563 | ' | |
564 | ||
565 | test_expect_success 'fsck notices ref pointing to missing tag' ' | |
566 | create_repo_missing tag && | |
567 | test_must_fail git -C missing fsck | |
568 | ' | |
569 | ||
02976bf8 JS |
570 | test_expect_success 'fsck --connectivity-only' ' |
571 | rm -rf connectivity-only && | |
572 | git init connectivity-only && | |
573 | ( | |
574 | cd connectivity-only && | |
575 | touch empty && | |
576 | git add empty && | |
577 | test_commit empty && | |
3e3f8bd6 JK |
578 | |
579 | # Drop the index now; we want to be sure that we | |
580 | # recursively notice the broken objects | |
581 | # because they are reachable from refs, not because | |
582 | # they are in the index. | |
583 | rm -f .git/index && | |
584 | ||
585 | # corrupt the blob, but in a way that we can still identify | |
586 | # its type. That lets us see that --connectivity-only is | |
587 | # not actually looking at the contents, but leaves it | |
588 | # free to examine the type if it chooses. | |
02976bf8 | 589 | empty=.git/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391 && |
3e3f8bd6 | 590 | blob=$(echo unrelated | git hash-object -w --stdin) && |
c20d4d70 | 591 | mv -f $(sha1_file $blob) $empty && |
3e3f8bd6 | 592 | |
02976bf8 JS |
593 | test_must_fail git fsck --strict && |
594 | git fsck --strict --connectivity-only && | |
595 | tree=$(git rev-parse HEAD:) && | |
596 | suffix=${tree#??} && | |
597 | tree=.git/objects/${tree%$suffix}/$suffix && | |
598 | rm -f $tree && | |
599 | echo invalid >$tree && | |
600 | test_must_fail git fsck --strict --connectivity-only | |
601 | ) | |
602 | ' | |
603 | ||
3e3f8bd6 JK |
604 | test_expect_success 'fsck --connectivity-only with explicit head' ' |
605 | rm -rf connectivity-only && | |
606 | git init connectivity-only && | |
607 | ( | |
608 | cd connectivity-only && | |
609 | test_commit foo && | |
610 | rm -f .git/index && | |
611 | tree=$(git rev-parse HEAD^{tree}) && | |
612 | remove_object $(git rev-parse HEAD:foo.t) && | |
613 | test_must_fail git fsck --connectivity-only $tree | |
614 | ) | |
615 | ' | |
616 | ||
90cf590f JS |
617 | test_expect_success 'fsck --name-objects' ' |
618 | rm -rf name-objects && | |
619 | git init name-objects && | |
620 | ( | |
621 | cd name-objects && | |
622 | test_commit julius caesar.t && | |
623 | test_commit augustus && | |
624 | test_commit caesar && | |
0b20f1a2 | 625 | remove_object $(git rev-parse julius:caesar.t) && |
90cf590f JS |
626 | test_must_fail git fsck --name-objects >out && |
627 | tree=$(git rev-parse --verify julius:) && | |
674ba340 | 628 | test_i18ngrep -E "$tree \((refs/heads/master|HEAD)@\{[0-9]*\}:" out |
90cf590f JS |
629 | ) |
630 | ' | |
631 | ||
771e7d57 JK |
632 | test_expect_success 'alternate objects are correctly blamed' ' |
633 | test_when_finished "rm -rf alt.git .git/objects/info/alternates" && | |
634 | git init --bare alt.git && | |
635 | echo "../../alt.git/objects" >.git/objects/info/alternates && | |
636 | mkdir alt.git/objects/12 && | |
637 | >alt.git/objects/12/34567890123456789012345678901234567890 && | |
638 | test_must_fail git fsck >out 2>&1 && | |
674ba340 | 639 | test_i18ngrep alt.git out |
771e7d57 JK |
640 | ' |
641 | ||
118e6cea JK |
642 | test_expect_success 'fsck errors in packed objects' ' |
643 | git cat-file commit HEAD >basis && | |
644 | sed "s/</one/" basis >one && | |
645 | sed "s/</foo/" basis >two && | |
646 | one=$(git hash-object -t commit -w one) && | |
647 | two=$(git hash-object -t commit -w two) && | |
648 | pack=$( | |
649 | { | |
650 | echo $one && | |
651 | echo $two | |
652 | } | git pack-objects .git/objects/pack/pack | |
653 | ) && | |
654 | test_when_finished "rm -f .git/objects/pack/pack-$pack.*" && | |
655 | remove_object $one && | |
656 | remove_object $two && | |
657 | test_must_fail git fsck 2>out && | |
674ba340 NTND |
658 | test_i18ngrep "error in commit $one.* - bad name" out && |
659 | test_i18ngrep "error in commit $two.* - bad name" out && | |
118e6cea JK |
660 | ! grep corrupt out |
661 | ' | |
662 | ||
a7c28a21 JT |
663 | test_expect_success 'fsck fails on corrupt packfile' ' |
664 | hsh=$(git commit-tree -m mycommit HEAD^{tree}) && | |
665 | pack=$(echo $hsh | git pack-objects .git/objects/pack/pack) && | |
666 | ||
667 | # Corrupt the first byte of the first object. (It contains 3 type bits, | |
668 | # at least one of which is not zero, so setting the first byte to 0 is | |
669 | # sufficient.) | |
670 | chmod a+w .git/objects/pack/pack-$pack.pack && | |
671 | printf '\0' | dd of=.git/objects/pack/pack-$pack.pack bs=1 conv=notrunc seek=12 && | |
672 | ||
673 | test_when_finished "rm -f .git/objects/pack/pack-$pack.*" && | |
674 | remove_object $hsh && | |
675 | test_must_fail git fsck 2>out && | |
676 | test_i18ngrep "checksum mismatch" out | |
677 | ' | |
678 | ||
c68b489e JK |
679 | test_expect_success 'fsck finds problems in duplicate loose objects' ' |
680 | rm -rf broken-duplicate && | |
681 | git init broken-duplicate && | |
682 | ( | |
683 | cd broken-duplicate && | |
684 | test_commit duplicate && | |
685 | # no "-d" here, so we end up with duplicates | |
686 | git repack && | |
687 | # now corrupt the loose copy | |
688 | file=$(sha1_file "$(git rev-parse HEAD)") && | |
689 | rm "$file" && | |
690 | echo broken >"$file" && | |
691 | test_must_fail git fsck | |
692 | ) | |
693 | ' | |
694 | ||
cce044df JK |
695 | test_expect_success 'fsck detects trailing loose garbage (commit)' ' |
696 | git cat-file commit HEAD >basis && | |
697 | echo bump-commit-sha1 >>basis && | |
698 | commit=$(git hash-object -w -t commit basis) && | |
699 | file=$(sha1_file $commit) && | |
700 | test_when_finished "remove_object $commit" && | |
701 | chmod +w "$file" && | |
702 | echo garbage >>"$file" && | |
703 | test_must_fail git fsck 2>out && | |
704 | test_i18ngrep "garbage.*$commit" out | |
705 | ' | |
706 | ||
5632baf2 | 707 | test_expect_success 'fsck detects trailing loose garbage (large blob)' ' |
cce044df JK |
708 | blob=$(echo trailing | git hash-object -w --stdin) && |
709 | file=$(sha1_file $blob) && | |
710 | test_when_finished "remove_object $blob" && | |
711 | chmod +w "$file" && | |
712 | echo garbage >>"$file" && | |
5632baf2 | 713 | test_must_fail git -c core.bigfilethreshold=5 fsck 2>out && |
cce044df JK |
714 | test_i18ngrep "garbage.*$blob" out |
715 | ' | |
716 | ||
ccdc4819 JK |
717 | test_expect_success 'fsck detects truncated loose object' ' |
718 | # make it big enough that we know we will truncate in the data | |
719 | # portion, not the header | |
18ad13e5 | 720 | test-tool genrandom truncate 4096 >file && |
ccdc4819 JK |
721 | blob=$(git hash-object -w file) && |
722 | file=$(sha1_file $blob) && | |
723 | test_when_finished "remove_object $blob" && | |
724 | test_copy_bytes 1024 <"$file" >tmp && | |
725 | rm "$file" && | |
726 | mv -f tmp "$file" && | |
727 | ||
728 | # check both regular and streaming code paths | |
729 | test_must_fail git fsck 2>out && | |
730 | test_i18ngrep corrupt.*$blob out && | |
731 | ||
732 | test_must_fail git -c core.bigfilethreshold=128 fsck 2>out && | |
733 | test_i18ngrep corrupt.*$blob out | |
734 | ' | |
735 | ||
b4584e4f JK |
736 | # for each of type, we have one version which is referenced by another object |
737 | # (and so while unreachable, not dangling), and another variant which really is | |
738 | # dangling. | |
8d8c2a5a | 739 | test_expect_success 'create dangling-object repository' ' |
b4584e4f JK |
740 | git init dangling && |
741 | ( | |
742 | cd dangling && | |
743 | blob=$(echo not-dangling | git hash-object -w --stdin) && | |
744 | dblob=$(echo dangling | git hash-object -w --stdin) && | |
745 | tree=$(printf "100644 blob %s\t%s\n" $blob one | git mktree) && | |
746 | dtree=$(printf "100644 blob %s\t%s\n" $blob two | git mktree) && | |
747 | commit=$(git commit-tree $tree) && | |
748 | dcommit=$(git commit-tree -p $commit $tree) && | |
749 | ||
8d8c2a5a | 750 | cat >expect <<-EOF |
b4584e4f JK |
751 | dangling blob $dblob |
752 | dangling commit $dcommit | |
753 | dangling tree $dtree | |
754 | EOF | |
8d8c2a5a JK |
755 | ) |
756 | ' | |
b4584e4f | 757 | |
8d8c2a5a JK |
758 | test_expect_success 'fsck notices dangling objects' ' |
759 | ( | |
760 | cd dangling && | |
b4584e4f JK |
761 | git fsck >actual && |
762 | # the output order is non-deterministic, as it comes from a hash | |
763 | sort <actual >actual.sorted && | |
674ba340 | 764 | test_i18ncmp expect actual.sorted |
b4584e4f JK |
765 | ) |
766 | ' | |
767 | ||
8d8c2a5a JK |
768 | test_expect_success 'fsck --connectivity-only notices dangling objects' ' |
769 | ( | |
770 | cd dangling && | |
771 | git fsck --connectivity-only >actual && | |
772 | # the output order is non-deterministic, as it comes from a hash | |
773 | sort <actual >actual.sorted && | |
774 | test_i18ncmp expect actual.sorted | |
775 | ) | |
776 | ' | |
777 | ||
c6c7b16d JK |
778 | test_expect_success 'fsck $name notices bogus $name' ' |
779 | test_must_fail git fsck bogus && | |
8125a58b | 780 | test_must_fail git fsck $ZERO_OID |
c6c7b16d JK |
781 | ' |
782 | ||
c3271a0e JK |
783 | test_expect_success 'bogus head does not fallback to all heads' ' |
784 | # set up a case that will cause a reachability complaint | |
785 | echo to-be-deleted >foo && | |
786 | git add foo && | |
787 | blob=$(git rev-parse :foo) && | |
788 | test_when_finished "git rm --cached foo" && | |
789 | remove_object $blob && | |
8125a58b | 790 | test_must_fail git fsck $ZERO_OID >out 2>&1 && |
c3271a0e JK |
791 | ! grep $blob out |
792 | ' | |
793 | ||
4d9bc37f JH |
794 | # Corrupt the checksum on the index. |
795 | # Add 1 to the last byte in the SHA. | |
796 | corrupt_index_checksum () { | |
797 | perl -w -e ' | |
798 | use Fcntl ":seek"; | |
799 | open my $fh, "+<", ".git/index" or die "open: $!"; | |
800 | binmode $fh; | |
801 | seek $fh, -1, SEEK_END or die "seek: $!"; | |
802 | read $fh, my $in_byte, 1 or die "read: $!"; | |
803 | ||
804 | $in_value = unpack("C", $in_byte); | |
805 | $out_value = ($in_value + 1) & 255; | |
806 | ||
807 | $out_byte = pack("C", $out_value); | |
808 | ||
809 | seek $fh, -1, SEEK_END or die "seek: $!"; | |
810 | print $fh $out_byte; | |
811 | close $fh or die "close: $!"; | |
812 | ' | |
813 | } | |
814 | ||
815 | # Corrupt the checksum on the index and then | |
816 | # verify that only fsck notices. | |
a33fc72f JH |
817 | test_expect_success 'detect corrupt index file in fsck' ' |
818 | cp .git/index .git/index.backup && | |
819 | test_when_finished "mv .git/index.backup .git/index" && | |
4d9bc37f JH |
820 | corrupt_index_checksum && |
821 | test_must_fail git fsck --cache 2>errors && | |
9d0a9e90 | 822 | test_i18ngrep "bad index file" errors |
a33fc72f JH |
823 | ' |
824 | ||
469e2ebf | 825 | test_done |