]>
Commit | Line | Data |
---|---|---|
1 | #!/bin/sh | |
2 | ||
3 | test_description='git fsck random collection of tests | |
4 | ||
5 | * (HEAD) B | |
6 | * (main) 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 | ' | |
21 | ||
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 && | |
29 | git fsck --no-dangling >../actual 2>&1 | |
30 | ) && | |
31 | test_must_be_empty actual | |
32 | ' | |
33 | ||
34 | test_expect_success 'HEAD is part of refs, valid objects appear valid' ' | |
35 | git fsck >actual 2>&1 && | |
36 | test_must_be_empty actual | |
37 | ' | |
38 | ||
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 | ||
43 | sha1_file () { | |
44 | git rev-parse --git-path objects/$(test_oid_to_path "$1") | |
45 | } | |
46 | ||
47 | remove_object () { | |
48 | rm "$(sha1_file "$1")" | |
49 | } | |
50 | ||
51 | test_expect_success 'object with bad sha1' ' | |
52 | sha=$(echo blob | git hash-object -w --stdin) && | |
53 | old=$(test_oid_to_path "$sha") && | |
54 | new=$(dirname $old)/$(test_oid ff_2) && | |
55 | sha="$(dirname $new)$(basename $new)" && | |
56 | mv .git/objects/$old .git/objects/$new && | |
57 | test_when_finished "remove_object $sha" && | |
58 | git update-index --add --cacheinfo 100644 $sha foo && | |
59 | test_when_finished "git read-tree -u --reset HEAD" && | |
60 | tree=$(git write-tree) && | |
61 | test_when_finished "remove_object $tree" && | |
62 | cmt=$(echo bogus | git commit-tree $tree) && | |
63 | test_when_finished "remove_object $cmt" && | |
64 | git update-ref refs/heads/bogus $cmt && | |
65 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
66 | ||
67 | test_must_fail git fsck 2>out && | |
68 | test_i18ngrep "$sha.*corrupt" out | |
69 | ' | |
70 | ||
71 | test_expect_success 'branch pointing to non-commit' ' | |
72 | git rev-parse HEAD^{tree} >.git/refs/heads/invalid && | |
73 | test_when_finished "git update-ref -d refs/heads/invalid" && | |
74 | test_must_fail git fsck 2>out && | |
75 | test_i18ngrep "not a commit" out | |
76 | ' | |
77 | ||
78 | test_expect_success 'HEAD link pointing at a funny object' ' | |
79 | test_when_finished "mv .git/SAVED_HEAD .git/HEAD" && | |
80 | mv .git/HEAD .git/SAVED_HEAD && | |
81 | echo $ZERO_OID >.git/HEAD && | |
82 | # avoid corrupt/broken HEAD from interfering with repo discovery | |
83 | test_must_fail env GIT_DIR=.git git fsck 2>out && | |
84 | test_i18ngrep "detached HEAD points" out | |
85 | ' | |
86 | ||
87 | test_expect_success 'HEAD link pointing at a funny place' ' | |
88 | test_when_finished "mv .git/SAVED_HEAD .git/HEAD" && | |
89 | mv .git/HEAD .git/SAVED_HEAD && | |
90 | echo "ref: refs/funny/place" >.git/HEAD && | |
91 | # avoid corrupt/broken HEAD from interfering with repo discovery | |
92 | test_must_fail env GIT_DIR=.git git fsck 2>out && | |
93 | test_i18ngrep "HEAD points to something strange" out | |
94 | ' | |
95 | ||
96 | test_expect_success 'HEAD link pointing at a funny object (from different wt)' ' | |
97 | test_when_finished "mv .git/SAVED_HEAD .git/HEAD" && | |
98 | test_when_finished "rm -rf .git/worktrees wt" && | |
99 | git worktree add wt && | |
100 | mv .git/HEAD .git/SAVED_HEAD && | |
101 | echo $ZERO_OID >.git/HEAD && | |
102 | # avoid corrupt/broken HEAD from interfering with repo discovery | |
103 | test_must_fail git -C wt fsck 2>out && | |
104 | test_i18ngrep "main-worktree/HEAD: detached HEAD points" out | |
105 | ' | |
106 | ||
107 | test_expect_success 'other worktree HEAD link pointing at a funny object' ' | |
108 | test_when_finished "rm -rf .git/worktrees other" && | |
109 | git worktree add other && | |
110 | echo $ZERO_OID >.git/worktrees/other/HEAD && | |
111 | test_must_fail git fsck 2>out && | |
112 | test_i18ngrep "worktrees/other/HEAD: detached HEAD points" out | |
113 | ' | |
114 | ||
115 | test_expect_success 'other worktree HEAD link pointing at missing object' ' | |
116 | test_when_finished "rm -rf .git/worktrees other" && | |
117 | git worktree add other && | |
118 | echo "Contents missing from repo" | git hash-object --stdin >.git/worktrees/other/HEAD && | |
119 | test_must_fail git fsck 2>out && | |
120 | test_i18ngrep "worktrees/other/HEAD: invalid sha1 pointer" out | |
121 | ' | |
122 | ||
123 | test_expect_success 'other worktree HEAD link pointing at a funny place' ' | |
124 | test_when_finished "rm -rf .git/worktrees other" && | |
125 | git worktree add other && | |
126 | echo "ref: refs/funny/place" >.git/worktrees/other/HEAD && | |
127 | test_must_fail git fsck 2>out && | |
128 | test_i18ngrep "worktrees/other/HEAD points to something strange" out | |
129 | ' | |
130 | ||
131 | test_expect_success 'commit with multiple signatures is okay' ' | |
132 | git cat-file commit HEAD >basis && | |
133 | cat >sigs <<-EOF && | |
134 | gpgsig -----BEGIN PGP SIGNATURE----- | |
135 | VGhpcyBpcyBub3QgcmVhbGx5IGEgc2lnbmF0dXJlLg== | |
136 | -----END PGP SIGNATURE----- | |
137 | gpgsig-sha256 -----BEGIN PGP SIGNATURE----- | |
138 | VGhpcyBpcyBub3QgcmVhbGx5IGEgc2lnbmF0dXJlLg== | |
139 | -----END PGP SIGNATURE----- | |
140 | EOF | |
141 | sed -e "/^committer/q" basis >okay && | |
142 | cat sigs >>okay && | |
143 | echo >>okay && | |
144 | sed -e "1,/^$/d" basis >>okay && | |
145 | cat okay && | |
146 | new=$(git hash-object -t commit -w --stdin <okay) && | |
147 | test_when_finished "remove_object $new" && | |
148 | git update-ref refs/heads/bogus "$new" && | |
149 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
150 | git fsck 2>out && | |
151 | cat out && | |
152 | ! grep "commit $new" out | |
153 | ' | |
154 | ||
155 | test_expect_success 'email without @ is okay' ' | |
156 | git cat-file commit HEAD >basis && | |
157 | sed "s/@/AT/" basis >okay && | |
158 | new=$(git hash-object -t commit -w --stdin <okay) && | |
159 | test_when_finished "remove_object $new" && | |
160 | git update-ref refs/heads/bogus "$new" && | |
161 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
162 | git fsck 2>out && | |
163 | ! grep "commit $new" out | |
164 | ' | |
165 | ||
166 | test_expect_success 'email with embedded > is not okay' ' | |
167 | git cat-file commit HEAD >basis && | |
168 | sed "s/@[a-z]/&>/" basis >bad-email && | |
169 | new=$(git hash-object -t commit -w --stdin <bad-email) && | |
170 | test_when_finished "remove_object $new" && | |
171 | git update-ref refs/heads/bogus "$new" && | |
172 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
173 | test_must_fail git fsck 2>out && | |
174 | test_i18ngrep "error in commit $new" out | |
175 | ' | |
176 | ||
177 | test_expect_success 'missing < email delimiter is reported nicely' ' | |
178 | git cat-file commit HEAD >basis && | |
179 | sed "s/<//" basis >bad-email-2 && | |
180 | new=$(git hash-object -t commit -w --stdin <bad-email-2) && | |
181 | test_when_finished "remove_object $new" && | |
182 | git update-ref refs/heads/bogus "$new" && | |
183 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
184 | test_must_fail git fsck 2>out && | |
185 | test_i18ngrep "error in commit $new.* - bad name" out | |
186 | ' | |
187 | ||
188 | test_expect_success 'missing email is reported nicely' ' | |
189 | git cat-file commit HEAD >basis && | |
190 | sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 && | |
191 | new=$(git hash-object -t commit -w --stdin <bad-email-3) && | |
192 | test_when_finished "remove_object $new" && | |
193 | git update-ref refs/heads/bogus "$new" && | |
194 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
195 | test_must_fail git fsck 2>out && | |
196 | test_i18ngrep "error in commit $new.* - missing email" out | |
197 | ' | |
198 | ||
199 | test_expect_success '> in name is reported' ' | |
200 | git cat-file commit HEAD >basis && | |
201 | sed "s/ </> </" basis >bad-email-4 && | |
202 | new=$(git hash-object -t commit -w --stdin <bad-email-4) && | |
203 | test_when_finished "remove_object $new" && | |
204 | git update-ref refs/heads/bogus "$new" && | |
205 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
206 | test_must_fail git fsck 2>out && | |
207 | test_i18ngrep "error in commit $new" out | |
208 | ' | |
209 | ||
210 | # date is 2^64 + 1 | |
211 | test_expect_success 'integer overflow in timestamps is reported' ' | |
212 | git cat-file commit HEAD >basis && | |
213 | sed "s/^\\(author .*>\\) [0-9]*/\\1 18446744073709551617/" \ | |
214 | <basis >bad-timestamp && | |
215 | new=$(git hash-object -t commit -w --stdin <bad-timestamp) && | |
216 | test_when_finished "remove_object $new" && | |
217 | git update-ref refs/heads/bogus "$new" && | |
218 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
219 | test_must_fail git fsck 2>out && | |
220 | test_i18ngrep "error in commit $new.*integer overflow" out | |
221 | ' | |
222 | ||
223 | test_expect_success 'commit with NUL in header' ' | |
224 | git cat-file commit HEAD >basis && | |
225 | sed "s/author ./author Q/" <basis | q_to_nul >commit-NUL-header && | |
226 | new=$(git hash-object -t commit -w --stdin <commit-NUL-header) && | |
227 | test_when_finished "remove_object $new" && | |
228 | git update-ref refs/heads/bogus "$new" && | |
229 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
230 | test_must_fail git fsck 2>out && | |
231 | test_i18ngrep "error in commit $new.*unterminated header: NUL at offset" out | |
232 | ' | |
233 | ||
234 | test_expect_success 'tree object with duplicate entries' ' | |
235 | test_when_finished "for i in \$T; do remove_object \$i; done" && | |
236 | T=$( | |
237 | GIT_INDEX_FILE=test-index && | |
238 | export GIT_INDEX_FILE && | |
239 | rm -f test-index && | |
240 | >x && | |
241 | git add x && | |
242 | git rev-parse :x && | |
243 | T=$(git write-tree) && | |
244 | echo $T && | |
245 | ( | |
246 | git cat-file tree $T && | |
247 | git cat-file tree $T | |
248 | ) | | |
249 | git hash-object -w -t tree --stdin | |
250 | ) && | |
251 | test_must_fail git fsck 2>out && | |
252 | test_i18ngrep "error in tree .*contains duplicate file entries" out | |
253 | ' | |
254 | ||
255 | check_duplicate_names () { | |
256 | expect=$1 && | |
257 | shift && | |
258 | names=$@ && | |
259 | test_expect_$expect "tree object with duplicate names: $names" ' | |
260 | test_when_finished "remove_object \$blob" && | |
261 | test_when_finished "remove_object \$tree" && | |
262 | test_when_finished "remove_object \$badtree" && | |
263 | blob=$(echo blob | git hash-object -w --stdin) && | |
264 | printf "100644 blob %s\t%s\n" $blob x.2 >tree && | |
265 | tree=$(git mktree <tree) && | |
266 | for name in $names | |
267 | do | |
268 | case "$name" in | |
269 | */) printf "040000 tree %s\t%s\n" $tree "${name%/}" ;; | |
270 | *) printf "100644 blob %s\t%s\n" $blob "$name" ;; | |
271 | esac | |
272 | done >badtree && | |
273 | badtree=$(git mktree <badtree) && | |
274 | test_must_fail git fsck 2>out && | |
275 | test_i18ngrep "$badtree" out && | |
276 | test_i18ngrep "error in tree .*contains duplicate file entries" out | |
277 | ' | |
278 | } | |
279 | ||
280 | check_duplicate_names success x x.1 x/ | |
281 | check_duplicate_names success x x.1.2 x.1/ x/ | |
282 | check_duplicate_names success x x.1 x.1.2 x/ | |
283 | ||
284 | test_expect_success 'unparseable tree object' ' | |
285 | test_oid_cache <<-\EOF && | |
286 | junk sha1:twenty-bytes-of-junk | |
287 | junk sha256:twenty-bytes-of-junk-twelve-more | |
288 | EOF | |
289 | ||
290 | test_when_finished "git update-ref -d refs/heads/wrong" && | |
291 | test_when_finished "remove_object \$tree_sha1" && | |
292 | test_when_finished "remove_object \$commit_sha1" && | |
293 | junk=$(test_oid junk) && | |
294 | tree_sha1=$(printf "100644 \0$junk" | git hash-object -t tree --stdin -w --literally) && | |
295 | commit_sha1=$(git commit-tree $tree_sha1) && | |
296 | git update-ref refs/heads/wrong $commit_sha1 && | |
297 | test_must_fail git fsck 2>out && | |
298 | test_i18ngrep "error: empty filename in tree entry" out && | |
299 | test_i18ngrep "$tree_sha1" out && | |
300 | test_i18ngrep ! "fatal: empty filename in tree entry" out | |
301 | ' | |
302 | ||
303 | test_expect_success 'tree entry with type mismatch' ' | |
304 | test_when_finished "remove_object \$blob" && | |
305 | test_when_finished "remove_object \$tree" && | |
306 | test_when_finished "remove_object \$commit" && | |
307 | test_when_finished "git update-ref -d refs/heads/type_mismatch" && | |
308 | blob=$(echo blob | git hash-object -w --stdin) && | |
309 | blob_bin=$(echo $blob | hex2oct) && | |
310 | tree=$( | |
311 | printf "40000 dir\0${blob_bin}100644 file\0${blob_bin}" | | |
312 | git hash-object -t tree --stdin -w --literally | |
313 | ) && | |
314 | commit=$(git commit-tree $tree) && | |
315 | git update-ref refs/heads/type_mismatch $commit && | |
316 | test_must_fail git fsck >out 2>&1 && | |
317 | test_i18ngrep "is a blob, not a tree" out && | |
318 | test_i18ngrep ! "dangling blob" out | |
319 | ' | |
320 | ||
321 | test_expect_success 'tag pointing to nonexistent' ' | |
322 | badoid=$(test_oid deadbeef) && | |
323 | cat >invalid-tag <<-EOF && | |
324 | object $badoid | |
325 | type commit | |
326 | tag invalid | |
327 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
328 | ||
329 | This is an invalid tag. | |
330 | EOF | |
331 | ||
332 | tag=$(git hash-object -t tag -w --stdin <invalid-tag) && | |
333 | test_when_finished "remove_object $tag" && | |
334 | echo $tag >.git/refs/tags/invalid && | |
335 | test_when_finished "git update-ref -d refs/tags/invalid" && | |
336 | test_must_fail git fsck --tags >out && | |
337 | test_i18ngrep "broken link" out | |
338 | ' | |
339 | ||
340 | test_expect_success 'tag pointing to something else than its type' ' | |
341 | sha=$(echo blob | git hash-object -w --stdin) && | |
342 | test_when_finished "remove_object $sha" && | |
343 | cat >wrong-tag <<-EOF && | |
344 | object $sha | |
345 | type commit | |
346 | tag wrong | |
347 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
348 | ||
349 | This is an invalid tag. | |
350 | EOF | |
351 | ||
352 | tag=$(git hash-object -t tag -w --stdin <wrong-tag) && | |
353 | test_when_finished "remove_object $tag" && | |
354 | echo $tag >.git/refs/tags/wrong && | |
355 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
356 | test_must_fail git fsck --tags | |
357 | ' | |
358 | ||
359 | test_expect_success 'tag with incorrect tag name & missing tagger' ' | |
360 | sha=$(git rev-parse HEAD) && | |
361 | cat >wrong-tag <<-EOF && | |
362 | object $sha | |
363 | type commit | |
364 | tag wrong name format | |
365 | ||
366 | This is an invalid tag. | |
367 | EOF | |
368 | ||
369 | tag=$(git hash-object -t tag -w --stdin <wrong-tag) && | |
370 | test_when_finished "remove_object $tag" && | |
371 | echo $tag >.git/refs/tags/wrong && | |
372 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
373 | git fsck --tags 2>out && | |
374 | ||
375 | cat >expect <<-EOF && | |
376 | warning in tag $tag: badTagName: invalid '\''tag'\'' name: wrong name format | |
377 | warning in tag $tag: missingTaggerEntry: invalid format - expected '\''tagger'\'' line | |
378 | EOF | |
379 | test_cmp expect out | |
380 | ' | |
381 | ||
382 | test_expect_success 'tag with bad tagger' ' | |
383 | sha=$(git rev-parse HEAD) && | |
384 | cat >wrong-tag <<-EOF && | |
385 | object $sha | |
386 | type commit | |
387 | tag not-quite-wrong | |
388 | tagger Bad Tagger Name | |
389 | ||
390 | This is an invalid tag. | |
391 | EOF | |
392 | ||
393 | tag=$(git hash-object --literally -t tag -w --stdin <wrong-tag) && | |
394 | test_when_finished "remove_object $tag" && | |
395 | echo $tag >.git/refs/tags/wrong && | |
396 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
397 | test_must_fail git fsck --tags 2>out && | |
398 | test_i18ngrep "error in tag .*: invalid author/committer" out | |
399 | ' | |
400 | ||
401 | test_expect_success 'tag with NUL in header' ' | |
402 | sha=$(git rev-parse HEAD) && | |
403 | q_to_nul >tag-NUL-header <<-EOF && | |
404 | object $sha | |
405 | type commit | |
406 | tag contains-Q-in-header | |
407 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
408 | ||
409 | This is an invalid tag. | |
410 | EOF | |
411 | ||
412 | tag=$(git hash-object --literally -t tag -w --stdin <tag-NUL-header) && | |
413 | test_when_finished "remove_object $tag" && | |
414 | echo $tag >.git/refs/tags/wrong && | |
415 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
416 | test_must_fail git fsck --tags 2>out && | |
417 | test_i18ngrep "error in tag $tag.*unterminated header: NUL at offset" out | |
418 | ' | |
419 | ||
420 | test_expect_success 'cleaned up' ' | |
421 | git fsck >actual 2>&1 && | |
422 | test_must_be_empty actual | |
423 | ' | |
424 | ||
425 | test_expect_success 'rev-list --verify-objects' ' | |
426 | git rev-list --verify-objects --all >/dev/null 2>out && | |
427 | test_must_be_empty out | |
428 | ' | |
429 | ||
430 | test_expect_success 'rev-list --verify-objects with bad sha1' ' | |
431 | sha=$(echo blob | git hash-object -w --stdin) && | |
432 | old=$(test_oid_to_path $sha) && | |
433 | new=$(dirname $old)/$(test_oid ff_2) && | |
434 | sha="$(dirname $new)$(basename $new)" && | |
435 | mv .git/objects/$old .git/objects/$new && | |
436 | test_when_finished "remove_object $sha" && | |
437 | git update-index --add --cacheinfo 100644 $sha foo && | |
438 | test_when_finished "git read-tree -u --reset HEAD" && | |
439 | tree=$(git write-tree) && | |
440 | test_when_finished "remove_object $tree" && | |
441 | cmt=$(echo bogus | git commit-tree $tree) && | |
442 | test_when_finished "remove_object $cmt" && | |
443 | git update-ref refs/heads/bogus $cmt && | |
444 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
445 | ||
446 | test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out && | |
447 | test_i18ngrep -q "error: hash mismatch $(dirname $new)$(test_oid ff_2)" out | |
448 | ' | |
449 | ||
450 | test_expect_success 'force fsck to ignore double author' ' | |
451 | git cat-file commit HEAD >basis && | |
452 | sed "s/^author .*/&,&/" <basis | tr , \\n >multiple-authors && | |
453 | new=$(git hash-object -t commit -w --stdin <multiple-authors) && | |
454 | test_when_finished "remove_object $new" && | |
455 | git update-ref refs/heads/bogus "$new" && | |
456 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
457 | test_must_fail git fsck && | |
458 | git -c fsck.multipleAuthors=ignore fsck | |
459 | ' | |
460 | ||
461 | _bz='\0' | |
462 | _bzoid=$(printf $ZERO_OID | sed -e 's/00/\\0/g') | |
463 | ||
464 | test_expect_success 'fsck notices blob entry pointing to null sha1' ' | |
465 | (git init null-blob && | |
466 | cd null-blob && | |
467 | sha=$(printf "100644 file$_bz$_bzoid" | | |
468 | git hash-object -w --stdin -t tree) && | |
469 | git fsck 2>out && | |
470 | test_i18ngrep "warning.*null sha1" out | |
471 | ) | |
472 | ' | |
473 | ||
474 | test_expect_success 'fsck notices submodule entry pointing to null sha1' ' | |
475 | (git init null-commit && | |
476 | cd null-commit && | |
477 | sha=$(printf "160000 submodule$_bz$_bzoid" | | |
478 | git hash-object -w --stdin -t tree) && | |
479 | git fsck 2>out && | |
480 | test_i18ngrep "warning.*null sha1" out | |
481 | ) | |
482 | ' | |
483 | ||
484 | while read name path pretty; do | |
485 | while read mode type; do | |
486 | : ${pretty:=$path} | |
487 | test_expect_success "fsck notices $pretty as $type" ' | |
488 | ( | |
489 | git init $name-$type && | |
490 | cd $name-$type && | |
491 | git config core.protectNTFS false && | |
492 | echo content >file && | |
493 | git add file && | |
494 | git commit -m base && | |
495 | blob=$(git rev-parse :file) && | |
496 | tree=$(git rev-parse HEAD^{tree}) && | |
497 | value=$(eval "echo \$$type") && | |
498 | printf "$mode $type %s\t%s" "$value" "$path" >bad && | |
499 | bad_tree=$(git mktree <bad) && | |
500 | git fsck 2>out && | |
501 | test_i18ngrep "warning.*tree $bad_tree" out | |
502 | )' | |
503 | done <<-\EOF | |
504 | 100644 blob | |
505 | 040000 tree | |
506 | EOF | |
507 | done <<-EOF | |
508 | dot . | |
509 | dotdot .. | |
510 | dotgit .git | |
511 | dotgit-case .GIT | |
512 | dotgit-unicode .gI${u200c}T .gI{u200c}T | |
513 | dotgit-case2 .Git | |
514 | git-tilde1 git~1 | |
515 | dotgitdot .git. | |
516 | dot-backslash-case .\\\\.GIT\\\\foobar | |
517 | dotgit-case-backslash .git\\\\foobar | |
518 | EOF | |
519 | ||
520 | test_expect_success 'fsck allows .Ňit' ' | |
521 | ( | |
522 | git init not-dotgit && | |
523 | cd not-dotgit && | |
524 | echo content >file && | |
525 | git add file && | |
526 | git commit -m base && | |
527 | blob=$(git rev-parse :file) && | |
528 | printf "100644 blob $blob\t.\\305\\207it" >tree && | |
529 | tree=$(git mktree <tree) && | |
530 | git fsck 2>err && | |
531 | test_line_count = 0 err | |
532 | ) | |
533 | ' | |
534 | ||
535 | test_expect_success 'NUL in commit' ' | |
536 | rm -fr nul-in-commit && | |
537 | git init nul-in-commit && | |
538 | ( | |
539 | cd nul-in-commit && | |
540 | git commit --allow-empty -m "initial commitQNUL after message" && | |
541 | git cat-file commit HEAD >original && | |
542 | q_to_nul <original >munged && | |
543 | git hash-object -w -t commit --stdin <munged >name && | |
544 | git branch bad $(cat name) && | |
545 | ||
546 | test_must_fail git -c fsck.nulInCommit=error fsck 2>warn.1 && | |
547 | test_i18ngrep nulInCommit warn.1 && | |
548 | git fsck 2>warn.2 && | |
549 | test_i18ngrep nulInCommit warn.2 | |
550 | ) | |
551 | ' | |
552 | ||
553 | # create a static test repo which is broken by omitting | |
554 | # one particular object ($1, which is looked up via rev-parse | |
555 | # in the new repository). | |
556 | create_repo_missing () { | |
557 | rm -rf missing && | |
558 | git init missing && | |
559 | ( | |
560 | cd missing && | |
561 | git commit -m one --allow-empty && | |
562 | mkdir subdir && | |
563 | echo content >subdir/file && | |
564 | git add subdir/file && | |
565 | git commit -m two && | |
566 | unrelated=$(echo unrelated | git hash-object --stdin -w) && | |
567 | git tag -m foo tag $unrelated && | |
568 | sha1=$(git rev-parse --verify "$1") && | |
569 | path=$(echo $sha1 | sed 's|..|&/|') && | |
570 | rm .git/objects/$path | |
571 | ) | |
572 | } | |
573 | ||
574 | test_expect_success 'fsck notices missing blob' ' | |
575 | create_repo_missing HEAD:subdir/file && | |
576 | test_must_fail git -C missing fsck | |
577 | ' | |
578 | ||
579 | test_expect_success 'fsck notices missing subtree' ' | |
580 | create_repo_missing HEAD:subdir && | |
581 | test_must_fail git -C missing fsck | |
582 | ' | |
583 | ||
584 | test_expect_success 'fsck notices missing root tree' ' | |
585 | create_repo_missing HEAD^{tree} && | |
586 | test_must_fail git -C missing fsck | |
587 | ' | |
588 | ||
589 | test_expect_success 'fsck notices missing parent' ' | |
590 | create_repo_missing HEAD^ && | |
591 | test_must_fail git -C missing fsck | |
592 | ' | |
593 | ||
594 | test_expect_success 'fsck notices missing tagged object' ' | |
595 | create_repo_missing tag^{blob} && | |
596 | test_must_fail git -C missing fsck | |
597 | ' | |
598 | ||
599 | test_expect_success 'fsck notices ref pointing to missing commit' ' | |
600 | create_repo_missing HEAD && | |
601 | test_must_fail git -C missing fsck | |
602 | ' | |
603 | ||
604 | test_expect_success 'fsck notices ref pointing to missing tag' ' | |
605 | create_repo_missing tag && | |
606 | test_must_fail git -C missing fsck | |
607 | ' | |
608 | ||
609 | test_expect_success 'fsck --connectivity-only' ' | |
610 | rm -rf connectivity-only && | |
611 | git init connectivity-only && | |
612 | ( | |
613 | cd connectivity-only && | |
614 | touch empty && | |
615 | git add empty && | |
616 | test_commit empty && | |
617 | ||
618 | # Drop the index now; we want to be sure that we | |
619 | # recursively notice the broken objects | |
620 | # because they are reachable from refs, not because | |
621 | # they are in the index. | |
622 | rm -f .git/index && | |
623 | ||
624 | # corrupt the blob, but in a way that we can still identify | |
625 | # its type. That lets us see that --connectivity-only is | |
626 | # not actually looking at the contents, but leaves it | |
627 | # free to examine the type if it chooses. | |
628 | empty=.git/objects/$(test_oid_to_path $EMPTY_BLOB) && | |
629 | blob=$(echo unrelated | git hash-object -w --stdin) && | |
630 | mv -f $(sha1_file $blob) $empty && | |
631 | ||
632 | test_must_fail git fsck --strict && | |
633 | git fsck --strict --connectivity-only && | |
634 | tree=$(git rev-parse HEAD:) && | |
635 | suffix=${tree#??} && | |
636 | tree=.git/objects/${tree%$suffix}/$suffix && | |
637 | rm -f $tree && | |
638 | echo invalid >$tree && | |
639 | test_must_fail git fsck --strict --connectivity-only | |
640 | ) | |
641 | ' | |
642 | ||
643 | test_expect_success 'fsck --connectivity-only with explicit head' ' | |
644 | rm -rf connectivity-only && | |
645 | git init connectivity-only && | |
646 | ( | |
647 | cd connectivity-only && | |
648 | test_commit foo && | |
649 | rm -f .git/index && | |
650 | tree=$(git rev-parse HEAD^{tree}) && | |
651 | remove_object $(git rev-parse HEAD:foo.t) && | |
652 | test_must_fail git fsck --connectivity-only $tree | |
653 | ) | |
654 | ' | |
655 | ||
656 | test_expect_success 'fsck --name-objects' ' | |
657 | rm -rf name-objects && | |
658 | git init name-objects && | |
659 | ( | |
660 | cd name-objects && | |
661 | git config core.logAllRefUpdates false && | |
662 | test_commit julius caesar.t && | |
663 | test_commit augustus44 && | |
664 | test_commit caesar && | |
665 | remove_object $(git rev-parse julius:caesar.t) && | |
666 | tree=$(git rev-parse --verify julius:) && | |
667 | git tag -d julius && | |
668 | test_must_fail git fsck --name-objects >out && | |
669 | test_i18ngrep "$tree (refs/tags/augustus44\\^:" out | |
670 | ) | |
671 | ' | |
672 | ||
673 | test_expect_success 'alternate objects are correctly blamed' ' | |
674 | test_when_finished "rm -rf alt.git .git/objects/info/alternates" && | |
675 | name=$(test_oid numeric) && | |
676 | path=$(test_oid_to_path "$name") && | |
677 | git init --bare alt.git && | |
678 | echo "../../alt.git/objects" >.git/objects/info/alternates && | |
679 | mkdir alt.git/objects/$(dirname $path) && | |
680 | >alt.git/objects/$(dirname $path)/$(basename $path) && | |
681 | test_must_fail git fsck >out 2>&1 && | |
682 | test_i18ngrep alt.git out | |
683 | ' | |
684 | ||
685 | test_expect_success 'fsck errors in packed objects' ' | |
686 | git cat-file commit HEAD >basis && | |
687 | sed "s/</one/" basis >one && | |
688 | sed "s/</foo/" basis >two && | |
689 | one=$(git hash-object -t commit -w one) && | |
690 | two=$(git hash-object -t commit -w two) && | |
691 | pack=$( | |
692 | { | |
693 | echo $one && | |
694 | echo $two | |
695 | } | git pack-objects .git/objects/pack/pack | |
696 | ) && | |
697 | test_when_finished "rm -f .git/objects/pack/pack-$pack.*" && | |
698 | remove_object $one && | |
699 | remove_object $two && | |
700 | test_must_fail git fsck 2>out && | |
701 | test_i18ngrep "error in commit $one.* - bad name" out && | |
702 | test_i18ngrep "error in commit $two.* - bad name" out && | |
703 | ! grep corrupt out | |
704 | ' | |
705 | ||
706 | test_expect_success 'fsck fails on corrupt packfile' ' | |
707 | hsh=$(git commit-tree -m mycommit HEAD^{tree}) && | |
708 | pack=$(echo $hsh | git pack-objects .git/objects/pack/pack) && | |
709 | ||
710 | # Corrupt the first byte of the first object. (It contains 3 type bits, | |
711 | # at least one of which is not zero, so setting the first byte to 0 is | |
712 | # sufficient.) | |
713 | chmod a+w .git/objects/pack/pack-$pack.pack && | |
714 | printf "\0" | dd of=.git/objects/pack/pack-$pack.pack bs=1 conv=notrunc seek=12 && | |
715 | ||
716 | test_when_finished "rm -f .git/objects/pack/pack-$pack.*" && | |
717 | remove_object $hsh && | |
718 | test_must_fail git fsck 2>out && | |
719 | test_i18ngrep "checksum mismatch" out | |
720 | ' | |
721 | ||
722 | test_expect_success 'fsck finds problems in duplicate loose objects' ' | |
723 | rm -rf broken-duplicate && | |
724 | git init broken-duplicate && | |
725 | ( | |
726 | cd broken-duplicate && | |
727 | test_commit duplicate && | |
728 | # no "-d" here, so we end up with duplicates | |
729 | git repack && | |
730 | # now corrupt the loose copy | |
731 | file=$(sha1_file "$(git rev-parse HEAD)") && | |
732 | rm "$file" && | |
733 | echo broken >"$file" && | |
734 | test_must_fail git fsck | |
735 | ) | |
736 | ' | |
737 | ||
738 | test_expect_success 'fsck detects trailing loose garbage (commit)' ' | |
739 | git cat-file commit HEAD >basis && | |
740 | echo bump-commit-sha1 >>basis && | |
741 | commit=$(git hash-object -w -t commit basis) && | |
742 | file=$(sha1_file $commit) && | |
743 | test_when_finished "remove_object $commit" && | |
744 | chmod +w "$file" && | |
745 | echo garbage >>"$file" && | |
746 | test_must_fail git fsck 2>out && | |
747 | test_i18ngrep "garbage.*$commit" out | |
748 | ' | |
749 | ||
750 | test_expect_success 'fsck detects trailing loose garbage (large blob)' ' | |
751 | blob=$(echo trailing | git hash-object -w --stdin) && | |
752 | file=$(sha1_file $blob) && | |
753 | test_when_finished "remove_object $blob" && | |
754 | chmod +w "$file" && | |
755 | echo garbage >>"$file" && | |
756 | test_must_fail git -c core.bigfilethreshold=5 fsck 2>out && | |
757 | test_i18ngrep "garbage.*$blob" out | |
758 | ' | |
759 | ||
760 | test_expect_success 'fsck detects truncated loose object' ' | |
761 | # make it big enough that we know we will truncate in the data | |
762 | # portion, not the header | |
763 | test-tool genrandom truncate 4096 >file && | |
764 | blob=$(git hash-object -w file) && | |
765 | file=$(sha1_file $blob) && | |
766 | test_when_finished "remove_object $blob" && | |
767 | test_copy_bytes 1024 <"$file" >tmp && | |
768 | rm "$file" && | |
769 | mv -f tmp "$file" && | |
770 | ||
771 | # check both regular and streaming code paths | |
772 | test_must_fail git fsck 2>out && | |
773 | test_i18ngrep corrupt.*$blob out && | |
774 | ||
775 | test_must_fail git -c core.bigfilethreshold=128 fsck 2>out && | |
776 | test_i18ngrep corrupt.*$blob out | |
777 | ' | |
778 | ||
779 | # for each of type, we have one version which is referenced by another object | |
780 | # (and so while unreachable, not dangling), and another variant which really is | |
781 | # dangling. | |
782 | test_expect_success 'create dangling-object repository' ' | |
783 | git init dangling && | |
784 | ( | |
785 | cd dangling && | |
786 | blob=$(echo not-dangling | git hash-object -w --stdin) && | |
787 | dblob=$(echo dangling | git hash-object -w --stdin) && | |
788 | tree=$(printf "100644 blob %s\t%s\n" $blob one | git mktree) && | |
789 | dtree=$(printf "100644 blob %s\t%s\n" $blob two | git mktree) && | |
790 | commit=$(git commit-tree $tree) && | |
791 | dcommit=$(git commit-tree -p $commit $tree) && | |
792 | ||
793 | cat >expect <<-EOF | |
794 | dangling blob $dblob | |
795 | dangling commit $dcommit | |
796 | dangling tree $dtree | |
797 | EOF | |
798 | ) | |
799 | ' | |
800 | ||
801 | test_expect_success 'fsck notices dangling objects' ' | |
802 | ( | |
803 | cd dangling && | |
804 | git fsck >actual && | |
805 | # the output order is non-deterministic, as it comes from a hash | |
806 | sort <actual >actual.sorted && | |
807 | test_cmp expect actual.sorted | |
808 | ) | |
809 | ' | |
810 | ||
811 | test_expect_success 'fsck --connectivity-only notices dangling objects' ' | |
812 | ( | |
813 | cd dangling && | |
814 | git fsck --connectivity-only >actual && | |
815 | # the output order is non-deterministic, as it comes from a hash | |
816 | sort <actual >actual.sorted && | |
817 | test_cmp expect actual.sorted | |
818 | ) | |
819 | ' | |
820 | ||
821 | test_expect_success 'fsck $name notices bogus $name' ' | |
822 | test_must_fail git fsck bogus && | |
823 | test_must_fail git fsck $ZERO_OID | |
824 | ' | |
825 | ||
826 | test_expect_success 'bogus head does not fallback to all heads' ' | |
827 | # set up a case that will cause a reachability complaint | |
828 | echo to-be-deleted >foo && | |
829 | git add foo && | |
830 | blob=$(git rev-parse :foo) && | |
831 | test_when_finished "git rm --cached foo" && | |
832 | remove_object $blob && | |
833 | test_must_fail git fsck $ZERO_OID >out 2>&1 && | |
834 | ! grep $blob out | |
835 | ' | |
836 | ||
837 | # Corrupt the checksum on the index. | |
838 | # Add 1 to the last byte in the SHA. | |
839 | corrupt_index_checksum () { | |
840 | perl -w -e ' | |
841 | use Fcntl ":seek"; | |
842 | open my $fh, "+<", ".git/index" or die "open: $!"; | |
843 | binmode $fh; | |
844 | seek $fh, -1, SEEK_END or die "seek: $!"; | |
845 | read $fh, my $in_byte, 1 or die "read: $!"; | |
846 | ||
847 | $in_value = unpack("C", $in_byte); | |
848 | $out_value = ($in_value + 1) & 255; | |
849 | ||
850 | $out_byte = pack("C", $out_value); | |
851 | ||
852 | seek $fh, -1, SEEK_END or die "seek: $!"; | |
853 | print $fh $out_byte; | |
854 | close $fh or die "close: $!"; | |
855 | ' | |
856 | } | |
857 | ||
858 | # Corrupt the checksum on the index and then | |
859 | # verify that only fsck notices. | |
860 | test_expect_success 'detect corrupt index file in fsck' ' | |
861 | cp .git/index .git/index.backup && | |
862 | test_when_finished "mv .git/index.backup .git/index" && | |
863 | corrupt_index_checksum && | |
864 | test_must_fail git fsck --cache 2>errors && | |
865 | test_i18ngrep "bad index file" errors | |
866 | ' | |
867 | ||
868 | test_done |