3 # Copyright (c) 2005 Amos Waterland
6 test_description='git branch assorted tests'
11 'prepare a trivial repository' \
13 git update-index --add A &&
14 git commit -m "Initial commit." &&
16 git update-index --add A &&
17 git commit -m "Second commit." &&
18 HEAD=$(git rev-parse --verify HEAD)'
21 'git branch --help should not have created a bogus branch' '
22 test_might_fail git branch --help </dev/null >/dev/null 2>/dev/null &&
23 test_path_is_missing .git/refs/heads/--help
26 test_expect_success 'branch -h in broken repository' '
31 >.git/refs/heads/master &&
32 test_expect_code 129 git branch -h >usage 2>&1
34 grep "[Uu]sage" broken/usage
38 'git branch abc should create a branch' \
39 'git branch abc && test_path_is_file .git/refs/heads/abc'
42 'git branch a/b/c should create a branch' \
43 'git branch a/b/c && test_path_is_file .git/refs/heads/a/b/c'
46 $_z40 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from master
49 'git branch -l d/e/f should create a branch and a log' \
50 'GIT_COMMITTER_DATE="2005-05-26 23:30" \
51 git branch -l d/e/f &&
52 test_path_is_file .git/refs/heads/d/e/f &&
53 test_path_is_file .git/logs/refs/heads/d/e/f &&
54 test_cmp expect .git/logs/refs/heads/d/e/f'
57 'git branch -d d/e/f should delete a branch and a log' \
58 'git branch -d d/e/f &&
59 test_path_is_missing .git/refs/heads/d/e/f &&
60 test_path_is_missing .git/logs/refs/heads/d/e/f'
63 'git branch j/k should work after branch j has been deleted' \
69 'git branch l should work after branch l/m has been deleted' \
75 'git branch -m dumps usage' \
76 'test_expect_code 129 git branch -m 2>err &&
77 grep "[Uu]sage: git branch" err'
80 'git branch -m m m/m should work' \
82 git branch -m m m/m &&
83 test_path_is_file .git/logs/refs/heads/m/m'
86 'git branch -m n/n n should work' \
88 git branch -m n/n n &&
89 test_path_is_file .git/logs/refs/heads/n'
91 test_expect_success 'git branch -m o/o o should fail when o/p exists' '
94 test_must_fail git branch -m o/o o
97 test_expect_success 'git branch -m q r/q should fail when r exists' '
100 test_must_fail git branch -m q r/q
103 test_expect_success 'git branch -M foo bar should fail when bar is checked out' '
105 git checkout -b foo &&
106 test_must_fail git branch -M bar foo
109 test_expect_success 'git branch -M baz bam should succeed when baz is checked out' '
110 git checkout -b baz &&
112 git branch -M baz bam
115 test_expect_success 'git branch -M master should work when master is checked out' '
116 git checkout master &&
120 test_expect_success 'git branch -M master master should work when master is checked out' '
121 git checkout master &&
122 git branch -M master master
125 test_expect_success 'git branch -M master2 master2 should work when master is checked out' '
126 git checkout master &&
127 git branch master2 &&
128 git branch -M master2 master2
131 test_expect_success 'git branch -v -d t should work' '
133 test_path_is_file .git/refs/heads/t &&
134 git branch -v -d t &&
135 test_path_is_missing .git/refs/heads/t
138 test_expect_success 'git branch -v -m t s should work' '
140 test_path_is_file .git/refs/heads/t &&
141 git branch -v -m t s &&
142 test_path_is_missing .git/refs/heads/t &&
143 test_path_is_file .git/refs/heads/s &&
147 test_expect_success 'git branch -m -d t s should fail' '
149 test_path_is_file .git/refs/heads/t &&
150 test_must_fail git branch -m -d t s &&
152 test_path_is_missing .git/refs/heads/t
155 test_expect_success 'git branch --list -d t should fail' '
157 test_path_is_file .git/refs/heads/t &&
158 test_must_fail git branch --list -d t &&
160 test_path_is_missing .git/refs/heads/t
163 mv .git/config .git/config-saved
165 test_expect_success 'git branch -m q q2 without config should succeed' '
166 git branch -m q q2 &&
170 mv .git/config-saved .git/config
172 git config branch.s/s.dummy Hello
174 test_expect_success \
175 'git branch -m s/s s should work when s/t is deleted' \
176 'git branch -l s/s &&
177 test_path_is_file .git/logs/refs/heads/s/s &&
179 test_path_is_file .git/logs/refs/heads/s/t &&
181 git branch -m s/s s &&
182 test_path_is_file .git/logs/refs/heads/s'
184 test_expect_success 'config information was renamed, too' \
185 "test $(git config branch.s.dummy) = Hello &&
186 test_must_fail git config branch.s/s/dummy"
188 test_expect_success 'renaming a symref is not allowed' \
190 git symbolic-ref refs/heads/master2 refs/heads/master &&
191 test_must_fail git branch -m master2 master3 &&
192 git symbolic-ref refs/heads/master2 &&
193 test_path_is_file .git/refs/heads/master &&
194 test_path_is_missing .git/refs/heads/master3
197 test_expect_success SYMLINKS \
198 'git branch -m u v should fail when the reflog for u is a symlink' '
200 mv .git/logs/refs/heads/u real-u &&
201 ln -s real-u .git/logs/refs/heads/u &&
202 test_must_fail git branch -m u v
205 test_expect_success 'test tracking setup via --track' \
206 'git config remote.local.url . &&
207 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
208 (git show-ref -q refs/remotes/local/master || git fetch local) &&
209 git branch --track my1 local/master &&
210 test $(git config branch.my1.remote) = local &&
211 test $(git config branch.my1.merge) = refs/heads/master'
213 test_expect_success 'test tracking setup (non-wildcard, matching)' \
214 'git config remote.local.url . &&
215 git config remote.local.fetch refs/heads/master:refs/remotes/local/master &&
216 (git show-ref -q refs/remotes/local/master || git fetch local) &&
217 git branch --track my4 local/master &&
218 test $(git config branch.my4.remote) = local &&
219 test $(git config branch.my4.merge) = refs/heads/master'
221 test_expect_success 'test tracking setup (non-wildcard, not matching)' \
222 'git config remote.local.url . &&
223 git config remote.local.fetch refs/heads/s:refs/remotes/local/s &&
224 (git show-ref -q refs/remotes/local/master || git fetch local) &&
225 git branch --track my5 local/master &&
226 ! test "$(git config branch.my5.remote)" = local &&
227 ! test "$(git config branch.my5.merge)" = refs/heads/master'
229 test_expect_success 'test tracking setup via config' \
230 'git config branch.autosetupmerge true &&
231 git config remote.local.url . &&
232 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
233 (git show-ref -q refs/remotes/local/master || git fetch local) &&
234 git branch my3 local/master &&
235 test $(git config branch.my3.remote) = local &&
236 test $(git config branch.my3.merge) = refs/heads/master'
238 test_expect_success 'test overriding tracking setup via --no-track' \
239 'git config branch.autosetupmerge true &&
240 git config remote.local.url . &&
241 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
242 (git show-ref -q refs/remotes/local/master || git fetch local) &&
243 git branch --no-track my2 local/master &&
244 git config branch.autosetupmerge false &&
245 ! test "$(git config branch.my2.remote)" = local &&
246 ! test "$(git config branch.my2.merge)" = refs/heads/master'
248 test_expect_success 'no tracking without .fetch entries' \
249 'git config branch.autosetupmerge true &&
251 git config branch.automsetupmerge false &&
252 test -z "$(git config branch.my6.remote)" &&
253 test -z "$(git config branch.my6.merge)"'
255 test_expect_success 'test tracking setup via --track but deeper' \
256 'git config remote.local.url . &&
257 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
258 (git show-ref -q refs/remotes/local/o/o || git fetch local) &&
259 git branch --track my7 local/o/o &&
260 test "$(git config branch.my7.remote)" = local &&
261 test "$(git config branch.my7.merge)" = refs/heads/o/o'
263 test_expect_success 'test deleting branch deletes branch config' \
264 'git branch -d my7 &&
265 test -z "$(git config branch.my7.remote)" &&
266 test -z "$(git config branch.my7.merge)"'
268 test_expect_success 'test deleting branch without config' \
270 sha1=$(git rev-parse my7 | cut -c 1-7) &&
271 echo "Deleted branch my7 (was $sha1)." >expect &&
272 git branch -d my7 >actual 2>&1 &&
273 test_i18ncmp expect actual'
275 test_expect_success 'test --track without .fetch entries' \
276 'git branch --track my8 &&
277 test "$(git config branch.my8.remote)" &&
278 test "$(git config branch.my8.merge)"'
280 test_expect_success \
281 'branch from non-branch HEAD w/autosetupmerge=always' \
282 'git config branch.autosetupmerge always &&
283 git branch my9 HEAD^ &&
284 git config branch.autosetupmerge false'
286 test_expect_success \
287 'branch from non-branch HEAD w/--track causes failure' \
288 'test_must_fail git branch --track my10 HEAD^'
290 test_expect_success \
291 'branch from tag w/--track causes failure' \
293 test_must_fail git branch --track my11 foobar'
295 # Keep this test last, as it changes the current branch
297 $_z40 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from master
299 test_expect_success \
300 'git checkout -b g/h/i -l should create a branch and a log' \
301 'GIT_COMMITTER_DATE="2005-05-26 23:30" \
302 git checkout -b g/h/i -l master &&
303 test_path_is_file .git/refs/heads/g/h/i &&
304 test_path_is_file .git/logs/refs/heads/g/h/i &&
305 test_cmp expect .git/logs/refs/heads/g/h/i'
307 test_expect_success 'checkout -b makes reflog by default' '
308 git checkout master &&
309 git config --unset core.logAllRefUpdates &&
310 git checkout -b alpha &&
311 git rev-parse --verify alpha@{0}
314 test_expect_success 'checkout -b does not make reflog when core.logAllRefUpdates = false' '
315 git checkout master &&
316 git config core.logAllRefUpdates false &&
317 git checkout -b beta &&
318 test_must_fail git rev-parse --verify beta@{0}
321 test_expect_success 'checkout -b with -l makes reflog when core.logAllRefUpdates = false' '
322 git checkout master &&
323 git checkout -lb gamma &&
324 git config --unset core.logAllRefUpdates &&
325 git rev-parse --verify gamma@{0}
328 test_expect_success 'avoid ambiguous track' '
329 git config branch.autosetupmerge true &&
330 git config remote.ambi1.url lalala &&
331 git config remote.ambi1.fetch refs/heads/lalala:refs/heads/master &&
332 git config remote.ambi2.url lilili &&
333 git config remote.ambi2.fetch refs/heads/lilili:refs/heads/master &&
334 git branch all1 master &&
335 test -z "$(git config branch.all1.merge)"
338 test_expect_success 'autosetuprebase local on a tracked local branch' '
339 git config remote.local.url . &&
340 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
341 git config branch.autosetuprebase local &&
342 (git show-ref -q refs/remotes/local/o || git fetch local) &&
344 git branch --track myr1 mybase &&
345 test "$(git config branch.myr1.remote)" = . &&
346 test "$(git config branch.myr1.merge)" = refs/heads/mybase &&
347 test "$(git config branch.myr1.rebase)" = true
350 test_expect_success 'autosetuprebase always on a tracked local branch' '
351 git config remote.local.url . &&
352 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
353 git config branch.autosetuprebase always &&
354 (git show-ref -q refs/remotes/local/o || git fetch local) &&
355 git branch mybase2 &&
356 git branch --track myr2 mybase &&
357 test "$(git config branch.myr2.remote)" = . &&
358 test "$(git config branch.myr2.merge)" = refs/heads/mybase &&
359 test "$(git config branch.myr2.rebase)" = true
362 test_expect_success 'autosetuprebase remote on a tracked local branch' '
363 git config remote.local.url . &&
364 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
365 git config branch.autosetuprebase remote &&
366 (git show-ref -q refs/remotes/local/o || git fetch local) &&
367 git branch mybase3 &&
368 git branch --track myr3 mybase2 &&
369 test "$(git config branch.myr3.remote)" = . &&
370 test "$(git config branch.myr3.merge)" = refs/heads/mybase2 &&
371 ! test "$(git config branch.myr3.rebase)" = true
374 test_expect_success 'autosetuprebase never on a tracked local branch' '
375 git config remote.local.url . &&
376 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
377 git config branch.autosetuprebase never &&
378 (git show-ref -q refs/remotes/local/o || git fetch local) &&
379 git branch mybase4 &&
380 git branch --track myr4 mybase2 &&
381 test "$(git config branch.myr4.remote)" = . &&
382 test "$(git config branch.myr4.merge)" = refs/heads/mybase2 &&
383 ! test "$(git config branch.myr4.rebase)" = true
386 test_expect_success 'autosetuprebase local on a tracked remote branch' '
387 git config remote.local.url . &&
388 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
389 git config branch.autosetuprebase local &&
390 (git show-ref -q refs/remotes/local/master || git fetch local) &&
391 git branch --track myr5 local/master &&
392 test "$(git config branch.myr5.remote)" = local &&
393 test "$(git config branch.myr5.merge)" = refs/heads/master &&
394 ! test "$(git config branch.myr5.rebase)" = true
397 test_expect_success 'autosetuprebase never on a tracked remote branch' '
398 git config remote.local.url . &&
399 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
400 git config branch.autosetuprebase never &&
401 (git show-ref -q refs/remotes/local/master || git fetch local) &&
402 git branch --track myr6 local/master &&
403 test "$(git config branch.myr6.remote)" = local &&
404 test "$(git config branch.myr6.merge)" = refs/heads/master &&
405 ! test "$(git config branch.myr6.rebase)" = true
408 test_expect_success 'autosetuprebase remote on a tracked remote branch' '
409 git config remote.local.url . &&
410 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
411 git config branch.autosetuprebase remote &&
412 (git show-ref -q refs/remotes/local/master || git fetch local) &&
413 git branch --track myr7 local/master &&
414 test "$(git config branch.myr7.remote)" = local &&
415 test "$(git config branch.myr7.merge)" = refs/heads/master &&
416 test "$(git config branch.myr7.rebase)" = true
419 test_expect_success 'autosetuprebase always on a tracked remote branch' '
420 git config remote.local.url . &&
421 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
422 git config branch.autosetuprebase remote &&
423 (git show-ref -q refs/remotes/local/master || git fetch local) &&
424 git branch --track myr8 local/master &&
425 test "$(git config branch.myr8.remote)" = local &&
426 test "$(git config branch.myr8.merge)" = refs/heads/master &&
427 test "$(git config branch.myr8.rebase)" = true
430 test_expect_success 'autosetuprebase unconfigured on a tracked remote branch' '
431 git config --unset branch.autosetuprebase &&
432 git config remote.local.url . &&
433 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
434 (git show-ref -q refs/remotes/local/master || git fetch local) &&
435 git branch --track myr9 local/master &&
436 test "$(git config branch.myr9.remote)" = local &&
437 test "$(git config branch.myr9.merge)" = refs/heads/master &&
438 test "z$(git config branch.myr9.rebase)" = z
441 test_expect_success 'autosetuprebase unconfigured on a tracked local branch' '
442 git config remote.local.url . &&
443 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
444 (git show-ref -q refs/remotes/local/o || git fetch local) &&
445 git branch mybase10 &&
446 git branch --track myr10 mybase2 &&
447 test "$(git config branch.myr10.remote)" = . &&
448 test "$(git config branch.myr10.merge)" = refs/heads/mybase2 &&
449 test "z$(git config branch.myr10.rebase)" = z
452 test_expect_success 'autosetuprebase unconfigured on untracked local branch' '
453 git config remote.local.url . &&
454 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
455 (git show-ref -q refs/remotes/local/master || git fetch local) &&
456 git branch --no-track myr11 mybase2 &&
457 test "z$(git config branch.myr11.remote)" = z &&
458 test "z$(git config branch.myr11.merge)" = z &&
459 test "z$(git config branch.myr11.rebase)" = z
462 test_expect_success 'autosetuprebase unconfigured on untracked remote branch' '
463 git config remote.local.url . &&
464 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
465 (git show-ref -q refs/remotes/local/master || git fetch local) &&
466 git branch --no-track myr12 local/master &&
467 test "z$(git config branch.myr12.remote)" = z &&
468 test "z$(git config branch.myr12.merge)" = z &&
469 test "z$(git config branch.myr12.rebase)" = z
472 test_expect_success 'autosetuprebase never on an untracked local branch' '
473 git config branch.autosetuprebase never &&
474 git config remote.local.url . &&
475 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
476 (git show-ref -q refs/remotes/local/master || git fetch local) &&
477 git branch --no-track myr13 mybase2 &&
478 test "z$(git config branch.myr13.remote)" = z &&
479 test "z$(git config branch.myr13.merge)" = z &&
480 test "z$(git config branch.myr13.rebase)" = z
483 test_expect_success 'autosetuprebase local on an untracked local branch' '
484 git config branch.autosetuprebase local &&
485 git config remote.local.url . &&
486 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
487 (git show-ref -q refs/remotes/local/master || git fetch local) &&
488 git branch --no-track myr14 mybase2 &&
489 test "z$(git config branch.myr14.remote)" = z &&
490 test "z$(git config branch.myr14.merge)" = z &&
491 test "z$(git config branch.myr14.rebase)" = z
494 test_expect_success 'autosetuprebase remote on an untracked local branch' '
495 git config branch.autosetuprebase remote &&
496 git config remote.local.url . &&
497 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
498 (git show-ref -q refs/remotes/local/master || git fetch local) &&
499 git branch --no-track myr15 mybase2 &&
500 test "z$(git config branch.myr15.remote)" = z &&
501 test "z$(git config branch.myr15.merge)" = z &&
502 test "z$(git config branch.myr15.rebase)" = z
505 test_expect_success 'autosetuprebase always on an untracked local branch' '
506 git config branch.autosetuprebase always &&
507 git config remote.local.url . &&
508 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
509 (git show-ref -q refs/remotes/local/master || git fetch local) &&
510 git branch --no-track myr16 mybase2 &&
511 test "z$(git config branch.myr16.remote)" = z &&
512 test "z$(git config branch.myr16.merge)" = z &&
513 test "z$(git config branch.myr16.rebase)" = z
516 test_expect_success 'autosetuprebase never on an untracked remote branch' '
517 git config branch.autosetuprebase never &&
518 git config remote.local.url . &&
519 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
520 (git show-ref -q refs/remotes/local/master || git fetch local) &&
521 git branch --no-track myr17 local/master &&
522 test "z$(git config branch.myr17.remote)" = z &&
523 test "z$(git config branch.myr17.merge)" = z &&
524 test "z$(git config branch.myr17.rebase)" = z
527 test_expect_success 'autosetuprebase local on an untracked remote branch' '
528 git config branch.autosetuprebase local &&
529 git config remote.local.url . &&
530 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
531 (git show-ref -q refs/remotes/local/master || git fetch local) &&
532 git branch --no-track myr18 local/master &&
533 test "z$(git config branch.myr18.remote)" = z &&
534 test "z$(git config branch.myr18.merge)" = z &&
535 test "z$(git config branch.myr18.rebase)" = z
538 test_expect_success 'autosetuprebase remote on an untracked remote branch' '
539 git config branch.autosetuprebase remote &&
540 git config remote.local.url . &&
541 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
542 (git show-ref -q refs/remotes/local/master || git fetch local) &&
543 git branch --no-track myr19 local/master &&
544 test "z$(git config branch.myr19.remote)" = z &&
545 test "z$(git config branch.myr19.merge)" = z &&
546 test "z$(git config branch.myr19.rebase)" = z
549 test_expect_success 'autosetuprebase always on an untracked remote branch' '
550 git config branch.autosetuprebase always &&
551 git config remote.local.url . &&
552 git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
553 (git show-ref -q refs/remotes/local/master || git fetch local) &&
554 git branch --no-track myr20 local/master &&
555 test "z$(git config branch.myr20.remote)" = z &&
556 test "z$(git config branch.myr20.merge)" = z &&
557 test "z$(git config branch.myr20.rebase)" = z
560 test_expect_success 'autosetuprebase always on detached HEAD' '
561 git config branch.autosetupmerge always &&
562 test_when_finished git checkout master &&
563 git checkout HEAD^0 &&
565 test -z "$(git config branch.my11.remote)" &&
566 test -z "$(git config branch.my11.merge)"
569 test_expect_success 'detect misconfigured autosetuprebase (bad value)' '
570 git config branch.autosetuprebase garbage &&
571 test_must_fail git branch
574 test_expect_success 'detect misconfigured autosetuprebase (no value)' '
575 git config --unset branch.autosetuprebase &&
576 echo "[branch] autosetuprebase" >> .git/config &&
577 test_must_fail git branch &&
578 git config --unset branch.autosetuprebase
581 test_expect_success 'attempt to delete a branch without base and unmerged to HEAD' '
583 git config --unset branch.my8.merge &&
584 test_must_fail git branch -d my8
587 test_expect_success 'attempt to delete a branch merged to its base' '
588 # we are on my9 which is the initial commit; traditionally
589 # we would not have allowed deleting my8 that is not merged
590 # to my9, but it is set to track master that already has my8
591 git config branch.my8.merge refs/heads/master &&
595 test_expect_success 'attempt to delete a branch merged to its base' '
596 git checkout master &&
598 git commit -m "Third commit" A &&
599 git branch -t my10 my9 &&
600 git branch -f my10 HEAD^ &&
601 # we are on master which is at the third commit, and my10
602 # is behind us, so traditionally we would have allowed deleting
603 # it; but my10 is set to track my9 that is further behind.
604 test_must_fail git branch -d my10
607 test_expect_success 'use set-upstream on the current branch' '
608 git checkout master &&
609 git --bare init myupstream.git &&
610 git push myupstream.git master:refs/heads/frotz &&
611 git remote add origin myupstream.git &&
613 git branch --set-upstream master origin/frotz &&
615 test "z$(git config branch.master.remote)" = "zorigin" &&
616 test "z$(git config branch.master.merge)" = "zrefs/heads/frotz"
620 test_expect_success 'use --edit-description' '
621 write_script editor <<-\EOF &&
622 echo "New contents" >"$1"
624 EDITOR=./editor git branch --edit-description &&
625 write_script editor <<-\EOF &&
626 git stripspace -s <"$1" >"EDITOR_OUTPUT"
628 EDITOR=./editor git branch --edit-description &&
629 echo "New contents" >expect &&
630 test_cmp EDITOR_OUTPUT expect
633 test_expect_success 'detect typo in branch name when using --edit-description' '
634 write_script editor <<-\EOF &&
635 echo "New contents" >"$1"
640 test_must_fail git branch --edit-description no-such-branch
644 test_expect_success 'refuse --edit-description on unborn branch for now' '
645 write_script editor <<-\EOF &&
646 echo "New contents" >"$1"
648 git checkout --orphan unborn &&
652 test_must_fail git branch --edit-description
656 test_expect_success '--merged catches invalid object names' '
657 test_must_fail git branch --merged 0000000000000000000000000000000000000000