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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 | |
06d53148 | 6 | * (main) A |
dbedf8bf | 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 | ||
8c891eed JS |
43 | sha1_file () { |
44 | git rev-parse --git-path objects/$(test_oid_to_path "$1") | |
45 | } | |
dbedf8bf | 46 | |
8c891eed JS |
47 | remove_object () { |
48 | rm "$(sha1_file "$1")" | |
49 | } | |
dbedf8bf | 50 | |
f7a0dba7 ÆAB |
51 | test_expect_success 'object with hash mismatch' ' |
52 | git init --bare hash-mismatch && | |
53 | ( | |
54 | cd hash-mismatch && | |
dbedf8bf | 55 | |
f7a0dba7 | 56 | oid=$(echo blob | git hash-object -w --stdin) && |
96e41f58 | 57 | oldoid=$oid && |
f7a0dba7 ÆAB |
58 | old=$(test_oid_to_path "$oid") && |
59 | new=$(dirname $old)/$(test_oid ff_2) && | |
60 | oid="$(dirname $new)$(basename $new)" && | |
61 | ||
62 | mv objects/$old objects/$new && | |
63 | git update-index --add --cacheinfo 100644 $oid foo && | |
64 | tree=$(git write-tree) && | |
65 | cmt=$(echo bogus | git commit-tree $tree) && | |
66 | git update-ref refs/heads/bogus $cmt && | |
67 | ||
68 | test_must_fail git fsck 2>out && | |
96e41f58 | 69 | grep "$oldoid: hash-path mismatch, found at: .*$new" out |
f7a0dba7 | 70 | ) |
02a6552c TR |
71 | ' |
72 | ||
42cd635b ÆAB |
73 | test_expect_success 'object with hash and type mismatch' ' |
74 | git init --bare hash-type-mismatch && | |
75 | ( | |
76 | cd hash-type-mismatch && | |
77 | ||
78 | oid=$(echo blob | git hash-object -w --stdin -t garbage --literally) && | |
96e41f58 | 79 | oldoid=$oid && |
42cd635b ÆAB |
80 | old=$(test_oid_to_path "$oid") && |
81 | new=$(dirname $old)/$(test_oid ff_2) && | |
82 | oid="$(dirname $new)$(basename $new)" && | |
83 | ||
84 | mv objects/$old objects/$new && | |
85 | git update-index --add --cacheinfo 100644 $oid foo && | |
86 | tree=$(git write-tree) && | |
87 | cmt=$(echo bogus | git commit-tree $tree) && | |
88 | git update-ref refs/heads/bogus $cmt && | |
89 | ||
31deb28f ÆAB |
90 | |
91 | test_must_fail git fsck 2>out && | |
96e41f58 ÆAB |
92 | grep "^error: $oldoid: hash-path mismatch, found at: .*$new" out && |
93 | grep "^error: $oldoid: object is of unknown type '"'"'garbage'"'"'" out | |
42cd635b ÆAB |
94 | ) |
95 | ' | |
96 | ||
59069107 | 97 | test_expect_success 'zlib corrupt loose object output ' ' |
a5ed3331 ÆAB |
98 | git init --bare corrupt-loose-output && |
99 | ( | |
100 | cd corrupt-loose-output && | |
101 | oid=$(git hash-object -w --stdin --literally </dev/null) && | |
102 | oidf=objects/$(test_oid_to_path "$oid") && | |
59069107 | 103 | chmod +w $oidf && |
a5ed3331 ÆAB |
104 | echo extra garbage >>$oidf && |
105 | ||
106 | cat >expect.error <<-EOF && | |
107 | error: garbage at end of loose object '\''$oid'\'' | |
108 | error: unable to unpack contents of ./$oidf | |
109 | error: $oid: object corrupt or missing: ./$oidf | |
110 | EOF | |
111 | test_must_fail git fsck 2>actual && | |
112 | grep ^error: actual >error && | |
113 | test_cmp expect.error error | |
114 | ) | |
115 | ' | |
116 | ||
02a6552c | 117 | test_expect_success 'branch pointing to non-commit' ' |
dbedf8bf JN |
118 | git rev-parse HEAD^{tree} >.git/refs/heads/invalid && |
119 | test_when_finished "git update-ref -d refs/heads/invalid" && | |
122f76f5 | 120 | test_must_fail git fsck 2>out && |
674ba340 | 121 | test_i18ngrep "not a commit" out |
02a6552c TR |
122 | ' |
123 | ||
122f76f5 JH |
124 | test_expect_success 'HEAD link pointing at a funny object' ' |
125 | test_when_finished "mv .git/SAVED_HEAD .git/HEAD" && | |
126 | mv .git/HEAD .git/SAVED_HEAD && | |
8de6b383 | 127 | echo $ZERO_OID >.git/HEAD && |
122f76f5 JH |
128 | # avoid corrupt/broken HEAD from interfering with repo discovery |
129 | test_must_fail env GIT_DIR=.git git fsck 2>out && | |
674ba340 | 130 | test_i18ngrep "detached HEAD points" out |
122f76f5 JH |
131 | ' |
132 | ||
133 | test_expect_success 'HEAD link pointing at a funny place' ' | |
134 | test_when_finished "mv .git/SAVED_HEAD .git/HEAD" && | |
135 | mv .git/HEAD .git/SAVED_HEAD && | |
136 | echo "ref: refs/funny/place" >.git/HEAD && | |
137 | # avoid corrupt/broken HEAD from interfering with repo discovery | |
138 | test_must_fail env GIT_DIR=.git git fsck 2>out && | |
674ba340 | 139 | test_i18ngrep "HEAD points to something strange" out |
122f76f5 JH |
140 | ' |
141 | ||
b29759d8 NTND |
142 | test_expect_success 'HEAD link pointing at a funny object (from different wt)' ' |
143 | test_when_finished "mv .git/SAVED_HEAD .git/HEAD" && | |
144 | test_when_finished "rm -rf .git/worktrees wt" && | |
145 | git worktree add wt && | |
146 | mv .git/HEAD .git/SAVED_HEAD && | |
147 | echo $ZERO_OID >.git/HEAD && | |
148 | # avoid corrupt/broken HEAD from interfering with repo discovery | |
149 | test_must_fail git -C wt fsck 2>out && | |
3813a89f | 150 | test_i18ngrep "main-worktree/HEAD: detached HEAD points" out |
b29759d8 NTND |
151 | ' |
152 | ||
153 | test_expect_success 'other worktree HEAD link pointing at a funny object' ' | |
154 | test_when_finished "rm -rf .git/worktrees other" && | |
155 | git worktree add other && | |
156 | echo $ZERO_OID >.git/worktrees/other/HEAD && | |
157 | test_must_fail git fsck 2>out && | |
3813a89f | 158 | test_i18ngrep "worktrees/other/HEAD: detached HEAD points" out |
b29759d8 NTND |
159 | ' |
160 | ||
161 | test_expect_success 'other worktree HEAD link pointing at missing object' ' | |
162 | test_when_finished "rm -rf .git/worktrees other" && | |
163 | git worktree add other && | |
164 | echo "Contents missing from repo" | git hash-object --stdin >.git/worktrees/other/HEAD && | |
165 | test_must_fail git fsck 2>out && | |
3813a89f | 166 | test_i18ngrep "worktrees/other/HEAD: invalid sha1 pointer" out |
b29759d8 NTND |
167 | ' |
168 | ||
169 | test_expect_success 'other worktree HEAD link pointing at a funny place' ' | |
170 | test_when_finished "rm -rf .git/worktrees other" && | |
171 | git worktree add other && | |
172 | echo "ref: refs/funny/place" >.git/worktrees/other/HEAD && | |
173 | test_must_fail git fsck 2>out && | |
3813a89f | 174 | test_i18ngrep "worktrees/other/HEAD points to something strange" out |
b29759d8 NTND |
175 | ' |
176 | ||
42d4e1d1 | 177 | test_expect_success 'commit with multiple signatures is okay' ' |
178 | git cat-file commit HEAD >basis && | |
179 | cat >sigs <<-EOF && | |
180 | gpgsig -----BEGIN PGP SIGNATURE----- | |
181 | VGhpcyBpcyBub3QgcmVhbGx5IGEgc2lnbmF0dXJlLg== | |
182 | -----END PGP SIGNATURE----- | |
183 | gpgsig-sha256 -----BEGIN PGP SIGNATURE----- | |
184 | VGhpcyBpcyBub3QgcmVhbGx5IGEgc2lnbmF0dXJlLg== | |
185 | -----END PGP SIGNATURE----- | |
186 | EOF | |
187 | sed -e "/^committer/q" basis >okay && | |
188 | cat sigs >>okay && | |
189 | echo >>okay && | |
190 | sed -e "1,/^$/d" basis >>okay && | |
191 | cat okay && | |
192 | new=$(git hash-object -t commit -w --stdin <okay) && | |
193 | test_when_finished "remove_object $new" && | |
194 | git update-ref refs/heads/bogus "$new" && | |
195 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
196 | git fsck 2>out && | |
197 | cat out && | |
198 | ! grep "commit $new" out | |
199 | ' | |
200 | ||
daae1922 JN |
201 | test_expect_success 'email without @ is okay' ' |
202 | git cat-file commit HEAD >basis && | |
203 | sed "s/@/AT/" basis >okay && | |
204 | new=$(git hash-object -t commit -w --stdin <okay) && | |
dbedf8bf | 205 | test_when_finished "remove_object $new" && |
daae1922 | 206 | git update-ref refs/heads/bogus "$new" && |
dbedf8bf | 207 | test_when_finished "git update-ref -d refs/heads/bogus" && |
daae1922 | 208 | git fsck 2>out && |
dbedf8bf | 209 | ! grep "commit $new" out |
daae1922 | 210 | ' |
daae1922 | 211 | |
daae1922 JN |
212 | test_expect_success 'email with embedded > is not okay' ' |
213 | git cat-file commit HEAD >basis && | |
214 | sed "s/@[a-z]/&>/" basis >bad-email && | |
215 | new=$(git hash-object -t commit -w --stdin <bad-email) && | |
dbedf8bf | 216 | test_when_finished "remove_object $new" && |
daae1922 | 217 | git update-ref refs/heads/bogus "$new" && |
dbedf8bf | 218 | test_when_finished "git update-ref -d refs/heads/bogus" && |
2e770fe4 | 219 | test_must_fail git fsck 2>out && |
674ba340 | 220 | test_i18ngrep "error in commit $new" out |
daae1922 | 221 | ' |
02a6552c | 222 | |
53f53cff | 223 | test_expect_success 'missing < email delimiter is reported nicely' ' |
e3c98120 DI |
224 | git cat-file commit HEAD >basis && |
225 | sed "s/<//" basis >bad-email-2 && | |
226 | new=$(git hash-object -t commit -w --stdin <bad-email-2) && | |
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" && | |
2e770fe4 | 230 | test_must_fail git fsck 2>out && |
674ba340 | 231 | test_i18ngrep "error in commit $new.* - bad name" out |
e3c98120 DI |
232 | ' |
233 | ||
53f53cff | 234 | test_expect_success 'missing email is reported nicely' ' |
e3c98120 DI |
235 | git cat-file commit HEAD >basis && |
236 | sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 && | |
237 | new=$(git hash-object -t commit -w --stdin <bad-email-3) && | |
238 | test_when_finished "remove_object $new" && | |
239 | git update-ref refs/heads/bogus "$new" && | |
240 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
2e770fe4 | 241 | test_must_fail git fsck 2>out && |
674ba340 | 242 | test_i18ngrep "error in commit $new.* - missing email" out |
e3c98120 DI |
243 | ' |
244 | ||
53f53cff | 245 | test_expect_success '> in name is reported' ' |
e3c98120 DI |
246 | git cat-file commit HEAD >basis && |
247 | sed "s/ </> </" basis >bad-email-4 && | |
248 | new=$(git hash-object -t commit -w --stdin <bad-email-4) && | |
249 | test_when_finished "remove_object $new" && | |
250 | git update-ref refs/heads/bogus "$new" && | |
251 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
2e770fe4 | 252 | test_must_fail git fsck 2>out && |
674ba340 | 253 | test_i18ngrep "error in commit $new" out |
e3c98120 DI |
254 | ' |
255 | ||
d4b8de04 JK |
256 | # date is 2^64 + 1 |
257 | test_expect_success 'integer overflow in timestamps is reported' ' | |
258 | git cat-file commit HEAD >basis && | |
259 | sed "s/^\\(author .*>\\) [0-9]*/\\1 18446744073709551617/" \ | |
260 | <basis >bad-timestamp && | |
261 | new=$(git hash-object -t commit -w --stdin <bad-timestamp) && | |
262 | test_when_finished "remove_object $new" && | |
263 | git update-ref refs/heads/bogus "$new" && | |
264 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
2e770fe4 | 265 | test_must_fail git fsck 2>out && |
674ba340 | 266 | test_i18ngrep "error in commit $new.*integer overflow" out |
d4b8de04 JK |
267 | ' |
268 | ||
80c7f5a0 RS |
269 | test_expect_success 'commit with NUL in header' ' |
270 | git cat-file commit HEAD >basis && | |
271 | sed "s/author ./author Q/" <basis | q_to_nul >commit-NUL-header && | |
272 | new=$(git hash-object -t commit -w --stdin <commit-NUL-header) && | |
273 | test_when_finished "remove_object $new" && | |
274 | git update-ref refs/heads/bogus "$new" && | |
275 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
276 | test_must_fail git fsck 2>out && | |
674ba340 | 277 | test_i18ngrep "error in commit $new.*unterminated header: NUL at offset" out |
80c7f5a0 RS |
278 | ' |
279 | ||
8354fa3d | 280 | test_expect_success 'tree object with duplicate entries' ' |
1ada11ee | 281 | test_when_finished "for i in \$T; do remove_object \$i; done" && |
2e770fe4 JK |
282 | T=$( |
283 | GIT_INDEX_FILE=test-index && | |
284 | export GIT_INDEX_FILE && | |
285 | rm -f test-index && | |
286 | >x && | |
287 | git add x && | |
1ada11ee | 288 | git rev-parse :x && |
2e770fe4 | 289 | T=$(git write-tree) && |
1ada11ee | 290 | echo $T && |
2e770fe4 JK |
291 | ( |
292 | git cat-file tree $T && | |
293 | git cat-file tree $T | |
294 | ) | | |
295 | git hash-object -w -t tree --stdin | |
296 | ) && | |
297 | test_must_fail git fsck 2>out && | |
674ba340 | 298 | test_i18ngrep "error in tree .*contains duplicate file entries" out |
2e770fe4 JK |
299 | ' |
300 | ||
fc12aa7b RS |
301 | check_duplicate_names () { |
302 | expect=$1 && | |
303 | shift && | |
304 | names=$@ && | |
305 | test_expect_$expect "tree object with duplicate names: $names" ' | |
306 | test_when_finished "remove_object \$blob" && | |
307 | test_when_finished "remove_object \$tree" && | |
308 | test_when_finished "remove_object \$badtree" && | |
309 | blob=$(echo blob | git hash-object -w --stdin) && | |
310 | printf "100644 blob %s\t%s\n" $blob x.2 >tree && | |
311 | tree=$(git mktree <tree) && | |
312 | for name in $names | |
313 | do | |
314 | case "$name" in | |
315 | */) printf "040000 tree %s\t%s\n" $tree "${name%/}" ;; | |
316 | *) printf "100644 blob %s\t%s\n" $blob "$name" ;; | |
317 | esac | |
318 | done >badtree && | |
319 | badtree=$(git mktree <badtree) && | |
320 | test_must_fail git fsck 2>out && | |
321 | test_i18ngrep "$badtree" out && | |
322 | test_i18ngrep "error in tree .*contains duplicate file entries" out | |
323 | ' | |
324 | } | |
325 | ||
326 | check_duplicate_names success x x.1 x/ | |
327 | check_duplicate_names success x x.1.2 x.1/ x/ | |
fe747043 | 328 | check_duplicate_names success x x.1 x.1.2 x/ |
9068cfb2 | 329 | |
8354fa3d | 330 | test_expect_success 'unparseable tree object' ' |
8de6b383 | 331 | test_oid_cache <<-\EOF && |
332 | junk sha1:twenty-bytes-of-junk | |
333 | junk sha256:twenty-bytes-of-junk-twelve-more | |
334 | EOF | |
335 | ||
8354fa3d DT |
336 | test_when_finished "git update-ref -d refs/heads/wrong" && |
337 | test_when_finished "remove_object \$tree_sha1" && | |
338 | test_when_finished "remove_object \$commit_sha1" && | |
8de6b383 | 339 | junk=$(test_oid junk) && |
340 | tree_sha1=$(printf "100644 \0$junk" | git hash-object -t tree --stdin -w --literally) && | |
8354fa3d DT |
341 | commit_sha1=$(git commit-tree $tree_sha1) && |
342 | git update-ref refs/heads/wrong $commit_sha1 && | |
343 | test_must_fail git fsck 2>out && | |
344 | test_i18ngrep "error: empty filename in tree entry" out && | |
345 | test_i18ngrep "$tree_sha1" out && | |
346 | test_i18ngrep ! "fatal: empty filename in tree entry" out | |
347 | ' | |
348 | ||
2720f6db RS |
349 | test_expect_success 'tree entry with type mismatch' ' |
350 | test_when_finished "remove_object \$blob" && | |
351 | test_when_finished "remove_object \$tree" && | |
352 | test_when_finished "remove_object \$commit" && | |
353 | test_when_finished "git update-ref -d refs/heads/type_mismatch" && | |
354 | blob=$(echo blob | git hash-object -w --stdin) && | |
355 | blob_bin=$(echo $blob | hex2oct) && | |
356 | tree=$( | |
357 | printf "40000 dir\0${blob_bin}100644 file\0${blob_bin}" | | |
358 | git hash-object -t tree --stdin -w --literally | |
359 | ) && | |
360 | commit=$(git commit-tree $tree) && | |
361 | git update-ref refs/heads/type_mismatch $commit && | |
362 | test_must_fail git fsck >out 2>&1 && | |
363 | test_i18ngrep "is a blob, not a tree" out && | |
364 | test_i18ngrep ! "dangling blob" out | |
365 | ' | |
366 | ||
4551d035 | 367 | test_expect_success 'tag pointing to nonexistent' ' |
8de6b383 | 368 | badoid=$(test_oid deadbeef) && |
369 | cat >invalid-tag <<-EOF && | |
370 | object $badoid | |
dbedf8bf JN |
371 | type commit |
372 | tag invalid | |
373 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
374 | ||
375 | This is an invalid tag. | |
376 | EOF | |
377 | ||
378 | tag=$(git hash-object -t tag -w --stdin <invalid-tag) && | |
379 | test_when_finished "remove_object $tag" && | |
380 | echo $tag >.git/refs/tags/invalid && | |
381 | test_when_finished "git update-ref -d refs/tags/invalid" && | |
4551d035 | 382 | test_must_fail git fsck --tags >out && |
674ba340 | 383 | test_i18ngrep "broken link" out |
02a6552c TR |
384 | ' |
385 | ||
4551d035 | 386 | test_expect_success 'tag pointing to something else than its type' ' |
dbedf8bf JN |
387 | sha=$(echo blob | git hash-object -w --stdin) && |
388 | test_when_finished "remove_object $sha" && | |
389 | cat >wrong-tag <<-EOF && | |
390 | object $sha | |
391 | type commit | |
392 | tag wrong | |
393 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
394 | ||
395 | This is an invalid tag. | |
396 | EOF | |
397 | ||
398 | tag=$(git hash-object -t tag -w --stdin <wrong-tag) && | |
399 | test_when_finished "remove_object $tag" && | |
400 | echo $tag >.git/refs/tags/wrong && | |
401 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
9dad83be | 402 | test_must_fail git fsck --tags |
02a6552c TR |
403 | ' |
404 | ||
90e3e5f0 JS |
405 | test_expect_success 'tag with incorrect tag name & missing tagger' ' |
406 | sha=$(git rev-parse HEAD) && | |
407 | cat >wrong-tag <<-EOF && | |
408 | object $sha | |
409 | type commit | |
410 | tag wrong name format | |
411 | ||
412 | This is an invalid tag. | |
413 | EOF | |
414 | ||
415 | tag=$(git hash-object -t tag -w --stdin <wrong-tag) && | |
416 | test_when_finished "remove_object $tag" && | |
417 | echo $tag >.git/refs/tags/wrong && | |
418 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
419 | git fsck --tags 2>out && | |
7add4419 JK |
420 | |
421 | cat >expect <<-EOF && | |
71ab8fa8 JS |
422 | warning in tag $tag: badTagName: invalid '\''tag'\'' name: wrong name format |
423 | warning in tag $tag: missingTaggerEntry: invalid format - expected '\''tagger'\'' line | |
7add4419 | 424 | EOF |
1108cea7 | 425 | test_cmp expect out |
90e3e5f0 JS |
426 | ' |
427 | ||
b659605d JH |
428 | test_expect_success 'tag with bad tagger' ' |
429 | sha=$(git rev-parse HEAD) && | |
430 | cat >wrong-tag <<-EOF && | |
431 | object $sha | |
432 | type commit | |
433 | tag not-quite-wrong | |
434 | tagger Bad Tagger Name | |
435 | ||
436 | This is an invalid tag. | |
437 | EOF | |
438 | ||
439 | tag=$(git hash-object --literally -t tag -w --stdin <wrong-tag) && | |
440 | test_when_finished "remove_object $tag" && | |
441 | echo $tag >.git/refs/tags/wrong && | |
442 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
443 | test_must_fail git fsck --tags 2>out && | |
674ba340 | 444 | test_i18ngrep "error in tag .*: invalid author/committer" out |
b659605d JH |
445 | ' |
446 | ||
8a272f29 | 447 | test_expect_success 'tag with NUL in header' ' |
80c7f5a0 RS |
448 | sha=$(git rev-parse HEAD) && |
449 | q_to_nul >tag-NUL-header <<-EOF && | |
450 | object $sha | |
451 | type commit | |
452 | tag contains-Q-in-header | |
453 | tagger T A Gger <tagger@example.com> 1234567890 -0000 | |
454 | ||
455 | This is an invalid tag. | |
456 | EOF | |
457 | ||
458 | tag=$(git hash-object --literally -t tag -w --stdin <tag-NUL-header) && | |
459 | test_when_finished "remove_object $tag" && | |
460 | echo $tag >.git/refs/tags/wrong && | |
461 | test_when_finished "git update-ref -d refs/tags/wrong" && | |
462 | test_must_fail git fsck --tags 2>out && | |
674ba340 | 463 | test_i18ngrep "error in tag $tag.*unterminated header: NUL at offset" out |
80c7f5a0 RS |
464 | ' |
465 | ||
dbedf8bf JN |
466 | test_expect_success 'cleaned up' ' |
467 | git fsck >actual 2>&1 && | |
1c5e94f4 | 468 | test_must_be_empty actual |
dbedf8bf | 469 | ' |
02a6552c | 470 | |
cb8da705 CB |
471 | test_expect_success 'rev-list --verify-objects' ' |
472 | git rev-list --verify-objects --all >/dev/null 2>out && | |
1c5e94f4 | 473 | test_must_be_empty out |
cb8da705 CB |
474 | ' |
475 | ||
476 | test_expect_success 'rev-list --verify-objects with bad sha1' ' | |
477 | sha=$(echo blob | git hash-object -w --stdin) && | |
8de6b383 | 478 | old=$(test_oid_to_path $sha) && |
479 | new=$(dirname $old)/$(test_oid ff_2) && | |
cb8da705 CB |
480 | sha="$(dirname $new)$(basename $new)" && |
481 | mv .git/objects/$old .git/objects/$new && | |
482 | test_when_finished "remove_object $sha" && | |
483 | git update-index --add --cacheinfo 100644 $sha foo && | |
484 | test_when_finished "git read-tree -u --reset HEAD" && | |
485 | tree=$(git write-tree) && | |
486 | test_when_finished "remove_object $tree" && | |
487 | cmt=$(echo bogus | git commit-tree $tree) && | |
488 | test_when_finished "remove_object $cmt" && | |
489 | git update-ref refs/heads/bogus $cmt && | |
490 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
491 | ||
492 | test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out && | |
8de6b383 | 493 | test_i18ngrep -q "error: hash mismatch $(dirname $new)$(test_oid ff_2)" out |
cb8da705 CB |
494 | ' |
495 | ||
2becf00f JS |
496 | test_expect_success 'force fsck to ignore double author' ' |
497 | git cat-file commit HEAD >basis && | |
498 | sed "s/^author .*/&,&/" <basis | tr , \\n >multiple-authors && | |
499 | new=$(git hash-object -t commit -w --stdin <multiple-authors) && | |
500 | test_when_finished "remove_object $new" && | |
501 | git update-ref refs/heads/bogus "$new" && | |
502 | test_when_finished "git update-ref -d refs/heads/bogus" && | |
503 | test_must_fail git fsck && | |
504 | git -c fsck.multipleAuthors=ignore fsck | |
505 | ' | |
506 | ||
c479d14a | 507 | _bz='\0' |
8de6b383 | 508 | _bzoid=$(printf $ZERO_OID | sed -e 's/00/\\0/g') |
c479d14a JK |
509 | |
510 | test_expect_success 'fsck notices blob entry pointing to null sha1' ' | |
511 | (git init null-blob && | |
512 | cd null-blob && | |
8de6b383 | 513 | sha=$(printf "100644 file$_bz$_bzoid" | |
c479d14a JK |
514 | git hash-object -w --stdin -t tree) && |
515 | git fsck 2>out && | |
674ba340 | 516 | test_i18ngrep "warning.*null sha1" out |
c479d14a JK |
517 | ) |
518 | ' | |
519 | ||
520 | test_expect_success 'fsck notices submodule entry pointing to null sha1' ' | |
521 | (git init null-commit && | |
522 | cd null-commit && | |
8de6b383 | 523 | sha=$(printf "160000 submodule$_bz$_bzoid" | |
c479d14a JK |
524 | git hash-object -w --stdin -t tree) && |
525 | git fsck 2>out && | |
674ba340 | 526 | test_i18ngrep "warning.*null sha1" out |
c479d14a JK |
527 | ) |
528 | ' | |
529 | ||
a18fcc9f | 530 | while read name path pretty; do |
450870cb | 531 | while read mode type; do |
a18fcc9f JK |
532 | : ${pretty:=$path} |
533 | test_expect_success "fsck notices $pretty as $type" ' | |
450870cb JK |
534 | ( |
535 | git init $name-$type && | |
536 | cd $name-$type && | |
e1d911dd | 537 | git config core.protectNTFS false && |
450870cb JK |
538 | echo content >file && |
539 | git add file && | |
540 | git commit -m base && | |
541 | blob=$(git rev-parse :file) && | |
542 | tree=$(git rev-parse HEAD^{tree}) && | |
543 | value=$(eval "echo \$$type") && | |
544 | printf "$mode $type %s\t%s" "$value" "$path" >bad && | |
d08c13b9 | 545 | bad_tree=$(git mktree <bad) && |
450870cb | 546 | git fsck 2>out && |
674ba340 | 547 | test_i18ngrep "warning.*tree $bad_tree" out |
450870cb JK |
548 | )' |
549 | done <<-\EOF | |
550 | 100644 blob | |
551 | 040000 tree | |
552 | EOF | |
a18fcc9f | 553 | done <<-EOF |
450870cb JK |
554 | dot . |
555 | dotdot .. | |
556 | dotgit .git | |
76e86fc6 | 557 | dotgit-case .GIT |
a18fcc9f | 558 | dotgit-unicode .gI${u200c}T .gI{u200c}T |
d08c13b9 JS |
559 | dotgit-case2 .Git |
560 | git-tilde1 git~1 | |
561 | dotgitdot .git. | |
562 | dot-backslash-case .\\\\.GIT\\\\foobar | |
563 | dotgit-case-backslash .git\\\\foobar | |
450870cb | 564 | EOF |
5c17f512 | 565 | |
6aaf956b JK |
566 | test_expect_success 'fsck allows .Ňit' ' |
567 | ( | |
568 | git init not-dotgit && | |
569 | cd not-dotgit && | |
570 | echo content >file && | |
571 | git add file && | |
572 | git commit -m base && | |
573 | blob=$(git rev-parse :file) && | |
574 | printf "100644 blob $blob\t.\\305\\207it" >tree && | |
575 | tree=$(git mktree <tree) && | |
576 | git fsck 2>err && | |
577 | test_line_count = 0 err | |
578 | ) | |
579 | ' | |
580 | ||
6d2d780f JH |
581 | test_expect_success 'NUL in commit' ' |
582 | rm -fr nul-in-commit && | |
583 | git init nul-in-commit && | |
584 | ( | |
585 | cd nul-in-commit && | |
586 | git commit --allow-empty -m "initial commitQNUL after message" && | |
587 | git cat-file commit HEAD >original && | |
588 | q_to_nul <original >munged && | |
589 | git hash-object -w -t commit --stdin <munged >name && | |
590 | git branch bad $(cat name) && | |
591 | ||
592 | test_must_fail git -c fsck.nulInCommit=error fsck 2>warn.1 && | |
674ba340 | 593 | test_i18ngrep nulInCommit warn.1 && |
6d2d780f | 594 | git fsck 2>warn.2 && |
674ba340 | 595 | test_i18ngrep nulInCommit warn.2 |
6d2d780f JH |
596 | ) |
597 | ' | |
598 | ||
30d1038d JK |
599 | # create a static test repo which is broken by omitting |
600 | # one particular object ($1, which is looked up via rev-parse | |
601 | # in the new repository). | |
602 | create_repo_missing () { | |
603 | rm -rf missing && | |
604 | git init missing && | |
605 | ( | |
606 | cd missing && | |
607 | git commit -m one --allow-empty && | |
608 | mkdir subdir && | |
609 | echo content >subdir/file && | |
610 | git add subdir/file && | |
611 | git commit -m two && | |
612 | unrelated=$(echo unrelated | git hash-object --stdin -w) && | |
613 | git tag -m foo tag $unrelated && | |
614 | sha1=$(git rev-parse --verify "$1") && | |
615 | path=$(echo $sha1 | sed 's|..|&/|') && | |
616 | rm .git/objects/$path | |
617 | ) | |
618 | } | |
619 | ||
620 | test_expect_success 'fsck notices missing blob' ' | |
621 | create_repo_missing HEAD:subdir/file && | |
622 | test_must_fail git -C missing fsck | |
623 | ' | |
624 | ||
625 | test_expect_success 'fsck notices missing subtree' ' | |
626 | create_repo_missing HEAD:subdir && | |
627 | test_must_fail git -C missing fsck | |
628 | ' | |
629 | ||
630 | test_expect_success 'fsck notices missing root tree' ' | |
631 | create_repo_missing HEAD^{tree} && | |
632 | test_must_fail git -C missing fsck | |
633 | ' | |
634 | ||
635 | test_expect_success 'fsck notices missing parent' ' | |
636 | create_repo_missing HEAD^ && | |
637 | test_must_fail git -C missing fsck | |
638 | ' | |
639 | ||
640 | test_expect_success 'fsck notices missing tagged object' ' | |
641 | create_repo_missing tag^{blob} && | |
642 | test_must_fail git -C missing fsck | |
643 | ' | |
644 | ||
645 | test_expect_success 'fsck notices ref pointing to missing commit' ' | |
646 | create_repo_missing HEAD && | |
647 | test_must_fail git -C missing fsck | |
648 | ' | |
649 | ||
650 | test_expect_success 'fsck notices ref pointing to missing tag' ' | |
651 | create_repo_missing tag && | |
652 | test_must_fail git -C missing fsck | |
653 | ' | |
654 | ||
02976bf8 JS |
655 | test_expect_success 'fsck --connectivity-only' ' |
656 | rm -rf connectivity-only && | |
657 | git init connectivity-only && | |
658 | ( | |
659 | cd connectivity-only && | |
660 | touch empty && | |
661 | git add empty && | |
662 | test_commit empty && | |
3e3f8bd6 JK |
663 | |
664 | # Drop the index now; we want to be sure that we | |
665 | # recursively notice the broken objects | |
666 | # because they are reachable from refs, not because | |
667 | # they are in the index. | |
668 | rm -f .git/index && | |
669 | ||
670 | # corrupt the blob, but in a way that we can still identify | |
671 | # its type. That lets us see that --connectivity-only is | |
672 | # not actually looking at the contents, but leaves it | |
673 | # free to examine the type if it chooses. | |
8de6b383 | 674 | empty=.git/objects/$(test_oid_to_path $EMPTY_BLOB) && |
3e3f8bd6 | 675 | blob=$(echo unrelated | git hash-object -w --stdin) && |
c20d4d70 | 676 | mv -f $(sha1_file $blob) $empty && |
3e3f8bd6 | 677 | |
02976bf8 JS |
678 | test_must_fail git fsck --strict && |
679 | git fsck --strict --connectivity-only && | |
680 | tree=$(git rev-parse HEAD:) && | |
681 | suffix=${tree#??} && | |
682 | tree=.git/objects/${tree%$suffix}/$suffix && | |
683 | rm -f $tree && | |
684 | echo invalid >$tree && | |
685 | test_must_fail git fsck --strict --connectivity-only | |
686 | ) | |
687 | ' | |
688 | ||
3e3f8bd6 JK |
689 | test_expect_success 'fsck --connectivity-only with explicit head' ' |
690 | rm -rf connectivity-only && | |
691 | git init connectivity-only && | |
692 | ( | |
693 | cd connectivity-only && | |
694 | test_commit foo && | |
695 | rm -f .git/index && | |
696 | tree=$(git rev-parse HEAD^{tree}) && | |
697 | remove_object $(git rev-parse HEAD:foo.t) && | |
698 | test_must_fail git fsck --connectivity-only $tree | |
699 | ) | |
700 | ' | |
701 | ||
90cf590f JS |
702 | test_expect_success 'fsck --name-objects' ' |
703 | rm -rf name-objects && | |
704 | git init name-objects && | |
705 | ( | |
706 | cd name-objects && | |
e89f8936 | 707 | git config core.logAllRefUpdates false && |
90cf590f | 708 | test_commit julius caesar.t && |
e89f8936 JS |
709 | test_commit augustus44 && |
710 | test_commit caesar && | |
0b20f1a2 | 711 | remove_object $(git rev-parse julius:caesar.t) && |
90cf590f | 712 | tree=$(git rev-parse --verify julius:) && |
e89f8936 JS |
713 | git tag -d julius && |
714 | test_must_fail git fsck --name-objects >out && | |
715 | test_i18ngrep "$tree (refs/tags/augustus44\\^:" out | |
90cf590f JS |
716 | ) |
717 | ' | |
718 | ||
771e7d57 JK |
719 | test_expect_success 'alternate objects are correctly blamed' ' |
720 | test_when_finished "rm -rf alt.git .git/objects/info/alternates" && | |
8de6b383 | 721 | name=$(test_oid numeric) && |
722 | path=$(test_oid_to_path "$name") && | |
771e7d57 JK |
723 | git init --bare alt.git && |
724 | echo "../../alt.git/objects" >.git/objects/info/alternates && | |
8de6b383 | 725 | mkdir alt.git/objects/$(dirname $path) && |
726 | >alt.git/objects/$(dirname $path)/$(basename $path) && | |
771e7d57 | 727 | test_must_fail git fsck >out 2>&1 && |
674ba340 | 728 | test_i18ngrep alt.git out |
771e7d57 JK |
729 | ' |
730 | ||
118e6cea JK |
731 | test_expect_success 'fsck errors in packed objects' ' |
732 | git cat-file commit HEAD >basis && | |
733 | sed "s/</one/" basis >one && | |
734 | sed "s/</foo/" basis >two && | |
735 | one=$(git hash-object -t commit -w one) && | |
736 | two=$(git hash-object -t commit -w two) && | |
737 | pack=$( | |
738 | { | |
739 | echo $one && | |
740 | echo $two | |
741 | } | git pack-objects .git/objects/pack/pack | |
742 | ) && | |
743 | test_when_finished "rm -f .git/objects/pack/pack-$pack.*" && | |
744 | remove_object $one && | |
745 | remove_object $two && | |
746 | test_must_fail git fsck 2>out && | |
674ba340 NTND |
747 | test_i18ngrep "error in commit $one.* - bad name" out && |
748 | test_i18ngrep "error in commit $two.* - bad name" out && | |
118e6cea JK |
749 | ! grep corrupt out |
750 | ' | |
751 | ||
a7c28a21 JT |
752 | test_expect_success 'fsck fails on corrupt packfile' ' |
753 | hsh=$(git commit-tree -m mycommit HEAD^{tree}) && | |
754 | pack=$(echo $hsh | git pack-objects .git/objects/pack/pack) && | |
755 | ||
756 | # Corrupt the first byte of the first object. (It contains 3 type bits, | |
757 | # at least one of which is not zero, so setting the first byte to 0 is | |
758 | # sufficient.) | |
759 | chmod a+w .git/objects/pack/pack-$pack.pack && | |
dc156bc3 | 760 | printf "\0" | dd of=.git/objects/pack/pack-$pack.pack bs=1 conv=notrunc seek=12 && |
a7c28a21 JT |
761 | |
762 | test_when_finished "rm -f .git/objects/pack/pack-$pack.*" && | |
763 | remove_object $hsh && | |
764 | test_must_fail git fsck 2>out && | |
765 | test_i18ngrep "checksum mismatch" out | |
766 | ' | |
767 | ||
c68b489e JK |
768 | test_expect_success 'fsck finds problems in duplicate loose objects' ' |
769 | rm -rf broken-duplicate && | |
770 | git init broken-duplicate && | |
771 | ( | |
772 | cd broken-duplicate && | |
773 | test_commit duplicate && | |
774 | # no "-d" here, so we end up with duplicates | |
775 | git repack && | |
776 | # now corrupt the loose copy | |
777 | file=$(sha1_file "$(git rev-parse HEAD)") && | |
778 | rm "$file" && | |
779 | echo broken >"$file" && | |
780 | test_must_fail git fsck | |
781 | ) | |
782 | ' | |
783 | ||
cce044df JK |
784 | test_expect_success 'fsck detects trailing loose garbage (commit)' ' |
785 | git cat-file commit HEAD >basis && | |
786 | echo bump-commit-sha1 >>basis && | |
787 | commit=$(git hash-object -w -t commit basis) && | |
788 | file=$(sha1_file $commit) && | |
789 | test_when_finished "remove_object $commit" && | |
790 | chmod +w "$file" && | |
791 | echo garbage >>"$file" && | |
792 | test_must_fail git fsck 2>out && | |
793 | test_i18ngrep "garbage.*$commit" out | |
794 | ' | |
795 | ||
5632baf2 | 796 | test_expect_success 'fsck detects trailing loose garbage (large blob)' ' |
cce044df JK |
797 | blob=$(echo trailing | git hash-object -w --stdin) && |
798 | file=$(sha1_file $blob) && | |
799 | test_when_finished "remove_object $blob" && | |
800 | chmod +w "$file" && | |
801 | echo garbage >>"$file" && | |
5632baf2 | 802 | test_must_fail git -c core.bigfilethreshold=5 fsck 2>out && |
cce044df JK |
803 | test_i18ngrep "garbage.*$blob" out |
804 | ' | |
805 | ||
ccdc4819 JK |
806 | test_expect_success 'fsck detects truncated loose object' ' |
807 | # make it big enough that we know we will truncate in the data | |
808 | # portion, not the header | |
18ad13e5 | 809 | test-tool genrandom truncate 4096 >file && |
ccdc4819 JK |
810 | blob=$(git hash-object -w file) && |
811 | file=$(sha1_file $blob) && | |
812 | test_when_finished "remove_object $blob" && | |
813 | test_copy_bytes 1024 <"$file" >tmp && | |
814 | rm "$file" && | |
815 | mv -f tmp "$file" && | |
816 | ||
817 | # check both regular and streaming code paths | |
818 | test_must_fail git fsck 2>out && | |
819 | test_i18ngrep corrupt.*$blob out && | |
820 | ||
821 | test_must_fail git -c core.bigfilethreshold=128 fsck 2>out && | |
822 | test_i18ngrep corrupt.*$blob out | |
823 | ' | |
824 | ||
b4584e4f JK |
825 | # for each of type, we have one version which is referenced by another object |
826 | # (and so while unreachable, not dangling), and another variant which really is | |
827 | # dangling. | |
8d8c2a5a | 828 | test_expect_success 'create dangling-object repository' ' |
b4584e4f JK |
829 | git init dangling && |
830 | ( | |
831 | cd dangling && | |
832 | blob=$(echo not-dangling | git hash-object -w --stdin) && | |
833 | dblob=$(echo dangling | git hash-object -w --stdin) && | |
834 | tree=$(printf "100644 blob %s\t%s\n" $blob one | git mktree) && | |
835 | dtree=$(printf "100644 blob %s\t%s\n" $blob two | git mktree) && | |
836 | commit=$(git commit-tree $tree) && | |
837 | dcommit=$(git commit-tree -p $commit $tree) && | |
838 | ||
8d8c2a5a | 839 | cat >expect <<-EOF |
b4584e4f JK |
840 | dangling blob $dblob |
841 | dangling commit $dcommit | |
842 | dangling tree $dtree | |
843 | EOF | |
8d8c2a5a JK |
844 | ) |
845 | ' | |
b4584e4f | 846 | |
8d8c2a5a JK |
847 | test_expect_success 'fsck notices dangling objects' ' |
848 | ( | |
849 | cd dangling && | |
b4584e4f JK |
850 | git fsck >actual && |
851 | # the output order is non-deterministic, as it comes from a hash | |
852 | sort <actual >actual.sorted && | |
1108cea7 | 853 | test_cmp expect actual.sorted |
b4584e4f JK |
854 | ) |
855 | ' | |
856 | ||
8d8c2a5a JK |
857 | test_expect_success 'fsck --connectivity-only notices dangling objects' ' |
858 | ( | |
859 | cd dangling && | |
860 | git fsck --connectivity-only >actual && | |
861 | # the output order is non-deterministic, as it comes from a hash | |
862 | sort <actual >actual.sorted && | |
1108cea7 | 863 | test_cmp expect actual.sorted |
8d8c2a5a JK |
864 | ) |
865 | ' | |
866 | ||
c6c7b16d JK |
867 | test_expect_success 'fsck $name notices bogus $name' ' |
868 | test_must_fail git fsck bogus && | |
8125a58b | 869 | test_must_fail git fsck $ZERO_OID |
c6c7b16d JK |
870 | ' |
871 | ||
c3271a0e JK |
872 | test_expect_success 'bogus head does not fallback to all heads' ' |
873 | # set up a case that will cause a reachability complaint | |
874 | echo to-be-deleted >foo && | |
875 | git add foo && | |
876 | blob=$(git rev-parse :foo) && | |
877 | test_when_finished "git rm --cached foo" && | |
878 | remove_object $blob && | |
8125a58b | 879 | test_must_fail git fsck $ZERO_OID >out 2>&1 && |
c3271a0e JK |
880 | ! grep $blob out |
881 | ' | |
882 | ||
4d9bc37f JH |
883 | # Corrupt the checksum on the index. |
884 | # Add 1 to the last byte in the SHA. | |
885 | corrupt_index_checksum () { | |
886 | perl -w -e ' | |
887 | use Fcntl ":seek"; | |
888 | open my $fh, "+<", ".git/index" or die "open: $!"; | |
889 | binmode $fh; | |
890 | seek $fh, -1, SEEK_END or die "seek: $!"; | |
891 | read $fh, my $in_byte, 1 or die "read: $!"; | |
892 | ||
893 | $in_value = unpack("C", $in_byte); | |
894 | $out_value = ($in_value + 1) & 255; | |
895 | ||
896 | $out_byte = pack("C", $out_value); | |
897 | ||
898 | seek $fh, -1, SEEK_END or die "seek: $!"; | |
899 | print $fh $out_byte; | |
900 | close $fh or die "close: $!"; | |
901 | ' | |
902 | } | |
903 | ||
904 | # Corrupt the checksum on the index and then | |
905 | # verify that only fsck notices. | |
a33fc72f JH |
906 | test_expect_success 'detect corrupt index file in fsck' ' |
907 | cp .git/index .git/index.backup && | |
908 | test_when_finished "mv .git/index.backup .git/index" && | |
4d9bc37f JH |
909 | corrupt_index_checksum && |
910 | test_must_fail git fsck --cache 2>errors && | |
9d0a9e90 | 911 | test_i18ngrep "bad index file" errors |
a33fc72f JH |
912 | ' |
913 | ||
31deb28f | 914 | test_expect_success 'fsck error and recovery on invalid object type' ' |
093fffdf ÆAB |
915 | git init --bare garbage-type && |
916 | ( | |
917 | cd garbage-type && | |
918 | ||
31deb28f | 919 | garbage_blob=$(git hash-object --stdin -w -t garbage --literally </dev/null) && |
093fffdf ÆAB |
920 | |
921 | cat >err.expect <<-\EOF && | |
922 | fatal: invalid object type | |
923 | EOF | |
924 | test_must_fail git fsck >out 2>err && | |
31deb28f ÆAB |
925 | grep -e "^error" -e "^fatal" err >errors && |
926 | test_line_count = 1 errors && | |
927 | grep "$garbage_blob: object is of unknown type '"'"'garbage'"'"':" err | |
093fffdf ÆAB |
928 | ) |
929 | ' | |
930 | ||
469e2ebf | 931 | test_done |