list-objects: pass full pathname to callbacks
[git] / t / t5516-fetch-push.sh
1 #!/bin/sh
2
3 test_description='Basic fetch/push functionality.
4
5 This test checks the following functionality:
6
7 * command-line syntax
8 * refspecs
9 * fast-forward detection, and overriding it
10 * configuration
11 * hooks
12 * --porcelain output format
13 * hiderefs
14 * reflogs
15 '
16
17 . ./test-lib.sh
18
19 D=`pwd`
20
21 mk_empty () {
22         repo_name="$1"
23         rm -fr "$repo_name" &&
24         mkdir "$repo_name" &&
25         (
26                 cd "$repo_name" &&
27                 git init &&
28                 git config receive.denyCurrentBranch warn &&
29                 mv .git/hooks .git/hooks-disabled
30         )
31 }
32
33 mk_test () {
34         repo_name="$1"
35         shift
36
37         mk_empty "$repo_name" &&
38         (
39                 for ref in "$@"
40                 do
41                         git push "$repo_name" $the_first_commit:refs/$ref ||
42                         exit
43                 done &&
44                 cd "$repo_name" &&
45                 for ref in "$@"
46                 do
47                         echo "$the_first_commit" >expect &&
48                         git show-ref -s --verify refs/$ref >actual &&
49                         test_cmp expect actual ||
50                         exit
51                 done &&
52                 git fsck --full
53         )
54 }
55
56 mk_test_with_hooks() {
57         repo_name=$1
58         mk_test "$@" &&
59         (
60                 cd "$repo_name" &&
61                 mkdir .git/hooks &&
62                 cd .git/hooks &&
63
64                 cat >pre-receive <<-'EOF' &&
65                 #!/bin/sh
66                 cat - >>pre-receive.actual
67                 EOF
68
69                 cat >update <<-'EOF' &&
70                 #!/bin/sh
71                 printf "%s %s %s\n" "$@" >>update.actual
72                 EOF
73
74                 cat >post-receive <<-'EOF' &&
75                 #!/bin/sh
76                 cat - >>post-receive.actual
77                 EOF
78
79                 cat >post-update <<-'EOF' &&
80                 #!/bin/sh
81                 for ref in "$@"
82                 do
83                         printf "%s\n" "$ref" >>post-update.actual
84                 done
85                 EOF
86
87                 chmod +x pre-receive update post-receive post-update
88         )
89 }
90
91 mk_child() {
92         rm -rf "$2" &&
93         git clone "$1" "$2"
94 }
95
96 check_push_result () {
97         repo_name="$1"
98         shift
99
100         (
101                 cd "$repo_name" &&
102                 echo "$1" >expect &&
103                 shift &&
104                 for ref in "$@"
105                 do
106                         git show-ref -s --verify refs/$ref >actual &&
107                         test_cmp expect actual ||
108                         exit
109                 done &&
110                 git fsck --full
111         )
112 }
113
114 test_expect_success setup '
115
116         >path1 &&
117         git add path1 &&
118         test_tick &&
119         git commit -a -m repo &&
120         the_first_commit=$(git show-ref -s --verify refs/heads/master) &&
121
122         >path2 &&
123         git add path2 &&
124         test_tick &&
125         git commit -a -m second &&
126         the_commit=$(git show-ref -s --verify refs/heads/master)
127
128 '
129
130 test_expect_success 'fetch without wildcard' '
131         mk_empty testrepo &&
132         (
133                 cd testrepo &&
134                 git fetch .. refs/heads/master:refs/remotes/origin/master &&
135
136                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
137                 git for-each-ref refs/remotes/origin >actual &&
138                 test_cmp expect actual
139         )
140 '
141
142 test_expect_success 'fetch with wildcard' '
143         mk_empty testrepo &&
144         (
145                 cd testrepo &&
146                 git config remote.up.url .. &&
147                 git config remote.up.fetch "refs/heads/*:refs/remotes/origin/*" &&
148                 git fetch up &&
149
150                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
151                 git for-each-ref refs/remotes/origin >actual &&
152                 test_cmp expect actual
153         )
154 '
155
156 test_expect_success 'fetch with insteadOf' '
157         mk_empty testrepo &&
158         (
159                 TRASH=$(pwd)/ &&
160                 cd testrepo &&
161                 git config "url.$TRASH.insteadOf" trash/ &&
162                 git config remote.up.url trash/. &&
163                 git config remote.up.fetch "refs/heads/*:refs/remotes/origin/*" &&
164                 git fetch up &&
165
166                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
167                 git for-each-ref refs/remotes/origin >actual &&
168                 test_cmp expect actual
169         )
170 '
171
172 test_expect_success 'fetch with pushInsteadOf (should not rewrite)' '
173         mk_empty testrepo &&
174         (
175                 TRASH=$(pwd)/ &&
176                 cd testrepo &&
177                 git config "url.trash/.pushInsteadOf" "$TRASH" &&
178                 git config remote.up.url "$TRASH." &&
179                 git config remote.up.fetch "refs/heads/*:refs/remotes/origin/*" &&
180                 git fetch up &&
181
182                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
183                 git for-each-ref refs/remotes/origin >actual &&
184                 test_cmp expect actual
185         )
186 '
187
188 test_expect_success 'push without wildcard' '
189         mk_empty testrepo &&
190
191         git push testrepo refs/heads/master:refs/remotes/origin/master &&
192         (
193                 cd testrepo &&
194                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
195                 git for-each-ref refs/remotes/origin >actual &&
196                 test_cmp expect actual
197         )
198 '
199
200 test_expect_success 'push with wildcard' '
201         mk_empty testrepo &&
202
203         git push testrepo "refs/heads/*:refs/remotes/origin/*" &&
204         (
205                 cd testrepo &&
206                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
207                 git for-each-ref refs/remotes/origin >actual &&
208                 test_cmp expect actual
209         )
210 '
211
212 test_expect_success 'push with insteadOf' '
213         mk_empty testrepo &&
214         TRASH="$(pwd)/" &&
215         test_config "url.$TRASH.insteadOf" trash/ &&
216         git push trash/testrepo refs/heads/master:refs/remotes/origin/master &&
217         (
218                 cd testrepo &&
219                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
220                 git for-each-ref refs/remotes/origin >actual &&
221                 test_cmp expect actual
222         )
223 '
224
225 test_expect_success 'push with pushInsteadOf' '
226         mk_empty testrepo &&
227         TRASH="$(pwd)/" &&
228         test_config "url.$TRASH.pushInsteadOf" trash/ &&
229         git push trash/testrepo refs/heads/master:refs/remotes/origin/master &&
230         (
231                 cd testrepo &&
232                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
233                 git for-each-ref refs/remotes/origin >actual &&
234                 test_cmp expect actual
235         )
236 '
237
238 test_expect_success 'push with pushInsteadOf and explicit pushurl (pushInsteadOf should not rewrite)' '
239         mk_empty testrepo &&
240         test_config "url.trash2/.pushInsteadOf" testrepo/ &&
241         test_config "url.trash3/.pushInsteadOf" trash/wrong &&
242         test_config remote.r.url trash/wrong &&
243         test_config remote.r.pushurl "testrepo/" &&
244         git push r refs/heads/master:refs/remotes/origin/master &&
245         (
246                 cd testrepo &&
247                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
248                 git for-each-ref refs/remotes/origin >actual &&
249                 test_cmp expect actual
250         )
251 '
252
253 test_expect_success 'push with matching heads' '
254
255         mk_test testrepo heads/master &&
256         git push testrepo : &&
257         check_push_result testrepo $the_commit heads/master
258
259 '
260
261 test_expect_success 'push with matching heads on the command line' '
262
263         mk_test testrepo heads/master &&
264         git push testrepo : &&
265         check_push_result testrepo $the_commit heads/master
266
267 '
268
269 test_expect_success 'failed (non-fast-forward) push with matching heads' '
270
271         mk_test testrepo heads/master &&
272         git push testrepo : &&
273         git commit --amend -massaged &&
274         test_must_fail git push testrepo &&
275         check_push_result testrepo $the_commit heads/master &&
276         git reset --hard $the_commit
277
278 '
279
280 test_expect_success 'push --force with matching heads' '
281
282         mk_test testrepo heads/master &&
283         git push testrepo : &&
284         git commit --amend -massaged &&
285         git push --force testrepo : &&
286         ! check_push_result testrepo $the_commit heads/master &&
287         git reset --hard $the_commit
288
289 '
290
291 test_expect_success 'push with matching heads and forced update' '
292
293         mk_test testrepo heads/master &&
294         git push testrepo : &&
295         git commit --amend -massaged &&
296         git push testrepo +: &&
297         ! check_push_result testrepo $the_commit heads/master &&
298         git reset --hard $the_commit
299
300 '
301
302 test_expect_success 'push with no ambiguity (1)' '
303
304         mk_test testrepo heads/master &&
305         git push testrepo master:master &&
306         check_push_result testrepo $the_commit heads/master
307
308 '
309
310 test_expect_success 'push with no ambiguity (2)' '
311
312         mk_test testrepo remotes/origin/master &&
313         git push testrepo master:origin/master &&
314         check_push_result testrepo $the_commit remotes/origin/master
315
316 '
317
318 test_expect_success 'push with colon-less refspec, no ambiguity' '
319
320         mk_test testrepo heads/master heads/t/master &&
321         git branch -f t/master master &&
322         git push testrepo master &&
323         check_push_result testrepo $the_commit heads/master &&
324         check_push_result testrepo $the_first_commit heads/t/master
325
326 '
327
328 test_expect_success 'push with weak ambiguity (1)' '
329
330         mk_test testrepo heads/master remotes/origin/master &&
331         git push testrepo master:master &&
332         check_push_result testrepo $the_commit heads/master &&
333         check_push_result testrepo $the_first_commit remotes/origin/master
334
335 '
336
337 test_expect_success 'push with weak ambiguity (2)' '
338
339         mk_test testrepo heads/master remotes/origin/master remotes/another/master &&
340         git push testrepo master:master &&
341         check_push_result testrepo $the_commit heads/master &&
342         check_push_result testrepo $the_first_commit remotes/origin/master remotes/another/master
343
344 '
345
346 test_expect_success 'push with ambiguity' '
347
348         mk_test testrepo heads/frotz tags/frotz &&
349         test_must_fail git push testrepo master:frotz &&
350         check_push_result testrepo $the_first_commit heads/frotz tags/frotz
351
352 '
353
354 test_expect_success 'push with colon-less refspec (1)' '
355
356         mk_test testrepo heads/frotz tags/frotz &&
357         git branch -f frotz master &&
358         git push testrepo frotz &&
359         check_push_result testrepo $the_commit heads/frotz &&
360         check_push_result testrepo $the_first_commit tags/frotz
361
362 '
363
364 test_expect_success 'push with colon-less refspec (2)' '
365
366         mk_test testrepo heads/frotz tags/frotz &&
367         if git show-ref --verify -q refs/heads/frotz
368         then
369                 git branch -D frotz
370         fi &&
371         git tag -f frotz &&
372         git push -f testrepo frotz &&
373         check_push_result testrepo $the_commit tags/frotz &&
374         check_push_result testrepo $the_first_commit heads/frotz
375
376 '
377
378 test_expect_success 'push with colon-less refspec (3)' '
379
380         mk_test testrepo &&
381         if git show-ref --verify -q refs/tags/frotz
382         then
383                 git tag -d frotz
384         fi &&
385         git branch -f frotz master &&
386         git push testrepo frotz &&
387         check_push_result testrepo $the_commit heads/frotz &&
388         test 1 = $( cd testrepo && git show-ref | wc -l )
389 '
390
391 test_expect_success 'push with colon-less refspec (4)' '
392
393         mk_test testrepo &&
394         if git show-ref --verify -q refs/heads/frotz
395         then
396                 git branch -D frotz
397         fi &&
398         git tag -f frotz &&
399         git push testrepo frotz &&
400         check_push_result testrepo $the_commit tags/frotz &&
401         test 1 = $( cd testrepo && git show-ref | wc -l )
402
403 '
404
405 test_expect_success 'push head with non-existent, incomplete dest' '
406
407         mk_test testrepo &&
408         git push testrepo master:branch &&
409         check_push_result testrepo $the_commit heads/branch
410
411 '
412
413 test_expect_success 'push tag with non-existent, incomplete dest' '
414
415         mk_test testrepo &&
416         git tag -f v1.0 &&
417         git push testrepo v1.0:tag &&
418         check_push_result testrepo $the_commit tags/tag
419
420 '
421
422 test_expect_success 'push sha1 with non-existent, incomplete dest' '
423
424         mk_test testrepo &&
425         test_must_fail git push testrepo `git rev-parse master`:foo
426
427 '
428
429 test_expect_success 'push ref expression with non-existent, incomplete dest' '
430
431         mk_test testrepo &&
432         test_must_fail git push testrepo master^:branch
433
434 '
435
436 test_expect_success 'push with HEAD' '
437
438         mk_test testrepo heads/master &&
439         git checkout master &&
440         git push testrepo HEAD &&
441         check_push_result testrepo $the_commit heads/master
442
443 '
444
445 test_expect_success 'push with HEAD nonexisting at remote' '
446
447         mk_test testrepo heads/master &&
448         git checkout -b local master &&
449         git push testrepo HEAD &&
450         check_push_result testrepo $the_commit heads/local
451 '
452
453 test_expect_success 'push with +HEAD' '
454
455         mk_test testrepo heads/master &&
456         git checkout master &&
457         git branch -D local &&
458         git checkout -b local &&
459         git push testrepo master local &&
460         check_push_result testrepo $the_commit heads/master &&
461         check_push_result testrepo $the_commit heads/local &&
462
463         # Without force rewinding should fail
464         git reset --hard HEAD^ &&
465         test_must_fail git push testrepo HEAD &&
466         check_push_result testrepo $the_commit heads/local &&
467
468         # With force rewinding should succeed
469         git push testrepo +HEAD &&
470         check_push_result testrepo $the_first_commit heads/local
471
472 '
473
474 test_expect_success 'push HEAD with non-existent, incomplete dest' '
475
476         mk_test testrepo &&
477         git checkout master &&
478         git push testrepo HEAD:branch &&
479         check_push_result testrepo $the_commit heads/branch
480
481 '
482
483 test_expect_success 'push with config remote.*.push = HEAD' '
484
485         mk_test testrepo heads/local &&
486         git checkout master &&
487         git branch -f local $the_commit &&
488         (
489                 cd testrepo &&
490                 git checkout local &&
491                 git reset --hard $the_first_commit
492         ) &&
493         test_config remote.there.url testrepo &&
494         test_config remote.there.push HEAD &&
495         test_config branch.master.remote there &&
496         git push &&
497         check_push_result testrepo $the_commit heads/master &&
498         check_push_result testrepo $the_first_commit heads/local
499 '
500
501 test_expect_success 'push with remote.pushdefault' '
502         mk_test up_repo heads/master &&
503         mk_test down_repo heads/master &&
504         test_config remote.up.url up_repo &&
505         test_config remote.down.url down_repo &&
506         test_config branch.master.remote up &&
507         test_config remote.pushdefault down &&
508         test_config push.default matching &&
509         git push &&
510         check_push_result up_repo $the_first_commit heads/master &&
511         check_push_result down_repo $the_commit heads/master
512 '
513
514 test_expect_success 'push with config remote.*.pushurl' '
515
516         mk_test testrepo heads/master &&
517         git checkout master &&
518         test_config remote.there.url test2repo &&
519         test_config remote.there.pushurl testrepo &&
520         git push there : &&
521         check_push_result testrepo $the_commit heads/master
522 '
523
524 test_expect_success 'push with config branch.*.pushremote' '
525         mk_test up_repo heads/master &&
526         mk_test side_repo heads/master &&
527         mk_test down_repo heads/master &&
528         test_config remote.up.url up_repo &&
529         test_config remote.pushdefault side_repo &&
530         test_config remote.down.url down_repo &&
531         test_config branch.master.remote up &&
532         test_config branch.master.pushremote down &&
533         test_config push.default matching &&
534         git push &&
535         check_push_result up_repo $the_first_commit heads/master &&
536         check_push_result side_repo $the_first_commit heads/master &&
537         check_push_result down_repo $the_commit heads/master
538 '
539
540 test_expect_success 'branch.*.pushremote config order is irrelevant' '
541         mk_test one_repo heads/master &&
542         mk_test two_repo heads/master &&
543         test_config remote.one.url one_repo &&
544         test_config remote.two.url two_repo &&
545         test_config branch.master.pushremote two_repo &&
546         test_config remote.pushdefault one_repo &&
547         test_config push.default matching &&
548         git push &&
549         check_push_result one_repo $the_first_commit heads/master &&
550         check_push_result two_repo $the_commit heads/master
551 '
552
553 test_expect_success 'push with dry-run' '
554
555         mk_test testrepo heads/master &&
556         (
557                 cd testrepo &&
558                 old_commit=$(git show-ref -s --verify refs/heads/master)
559         ) &&
560         git push --dry-run testrepo : &&
561         check_push_result testrepo $old_commit heads/master
562 '
563
564 test_expect_success 'push updates local refs' '
565
566         mk_test testrepo heads/master &&
567         mk_child testrepo child &&
568         (
569                 cd child &&
570                 git pull .. master &&
571                 git push &&
572                 test $(git rev-parse master) = \
573                         $(git rev-parse remotes/origin/master)
574         )
575
576 '
577
578 test_expect_success 'push updates up-to-date local refs' '
579
580         mk_test testrepo heads/master &&
581         mk_child testrepo child1 &&
582         mk_child testrepo child2 &&
583         (cd child1 && git pull .. master && git push) &&
584         (
585                 cd child2 &&
586                 git pull ../child1 master &&
587                 git push &&
588                 test $(git rev-parse master) = \
589                         $(git rev-parse remotes/origin/master)
590         )
591
592 '
593
594 test_expect_success 'push preserves up-to-date packed refs' '
595
596         mk_test testrepo heads/master &&
597         mk_child testrepo child &&
598         (
599                 cd child &&
600                 git push &&
601                 ! test -f .git/refs/remotes/origin/master
602         )
603
604 '
605
606 test_expect_success 'push does not update local refs on failure' '
607
608         mk_test testrepo heads/master &&
609         mk_child testrepo child &&
610         mkdir testrepo/.git/hooks &&
611         echo "#!/no/frobnication/today" >testrepo/.git/hooks/pre-receive &&
612         chmod +x testrepo/.git/hooks/pre-receive &&
613         (
614                 cd child &&
615                 git pull .. master
616                 test_must_fail git push &&
617                 test $(git rev-parse master) != \
618                         $(git rev-parse remotes/origin/master)
619         )
620
621 '
622
623 test_expect_success 'allow deleting an invalid remote ref' '
624
625         mk_test testrepo heads/master &&
626         rm -f testrepo/.git/objects/??/* &&
627         git push testrepo :refs/heads/master &&
628         (cd testrepo && test_must_fail git rev-parse --verify refs/heads/master)
629
630 '
631
632 test_expect_success 'pushing valid refs triggers post-receive and post-update hooks' '
633         mk_test_with_hooks testrepo heads/master heads/next &&
634         orgmaster=$(cd testrepo && git show-ref -s --verify refs/heads/master) &&
635         newmaster=$(git show-ref -s --verify refs/heads/master) &&
636         orgnext=$(cd testrepo && git show-ref -s --verify refs/heads/next) &&
637         newnext=$_z40 &&
638         git push testrepo refs/heads/master:refs/heads/master :refs/heads/next &&
639         (
640                 cd testrepo/.git &&
641                 cat >pre-receive.expect <<-EOF &&
642                 $orgmaster $newmaster refs/heads/master
643                 $orgnext $newnext refs/heads/next
644                 EOF
645
646                 cat >update.expect <<-EOF &&
647                 refs/heads/master $orgmaster $newmaster
648                 refs/heads/next $orgnext $newnext
649                 EOF
650
651                 cat >post-receive.expect <<-EOF &&
652                 $orgmaster $newmaster refs/heads/master
653                 $orgnext $newnext refs/heads/next
654                 EOF
655
656                 cat >post-update.expect <<-EOF &&
657                 refs/heads/master
658                 refs/heads/next
659                 EOF
660
661                 test_cmp pre-receive.expect pre-receive.actual &&
662                 test_cmp update.expect update.actual &&
663                 test_cmp post-receive.expect post-receive.actual &&
664                 test_cmp post-update.expect post-update.actual
665         )
666 '
667
668 test_expect_success 'deleting dangling ref triggers hooks with correct args' '
669         mk_test_with_hooks testrepo heads/master &&
670         rm -f testrepo/.git/objects/??/* &&
671         git push testrepo :refs/heads/master &&
672         (
673                 cd testrepo/.git &&
674                 cat >pre-receive.expect <<-EOF &&
675                 $_z40 $_z40 refs/heads/master
676                 EOF
677
678                 cat >update.expect <<-EOF &&
679                 refs/heads/master $_z40 $_z40
680                 EOF
681
682                 cat >post-receive.expect <<-EOF &&
683                 $_z40 $_z40 refs/heads/master
684                 EOF
685
686                 cat >post-update.expect <<-EOF &&
687                 refs/heads/master
688                 EOF
689
690                 test_cmp pre-receive.expect pre-receive.actual &&
691                 test_cmp update.expect update.actual &&
692                 test_cmp post-receive.expect post-receive.actual &&
693                 test_cmp post-update.expect post-update.actual
694         )
695 '
696
697 test_expect_success 'deletion of a non-existent ref is not fed to post-receive and post-update hooks' '
698         mk_test_with_hooks testrepo heads/master &&
699         orgmaster=$(cd testrepo && git show-ref -s --verify refs/heads/master) &&
700         newmaster=$(git show-ref -s --verify refs/heads/master) &&
701         git push testrepo master :refs/heads/nonexistent &&
702         (
703                 cd testrepo/.git &&
704                 cat >pre-receive.expect <<-EOF &&
705                 $orgmaster $newmaster refs/heads/master
706                 $_z40 $_z40 refs/heads/nonexistent
707                 EOF
708
709                 cat >update.expect <<-EOF &&
710                 refs/heads/master $orgmaster $newmaster
711                 refs/heads/nonexistent $_z40 $_z40
712                 EOF
713
714                 cat >post-receive.expect <<-EOF &&
715                 $orgmaster $newmaster refs/heads/master
716                 EOF
717
718                 cat >post-update.expect <<-EOF &&
719                 refs/heads/master
720                 EOF
721
722                 test_cmp pre-receive.expect pre-receive.actual &&
723                 test_cmp update.expect update.actual &&
724                 test_cmp post-receive.expect post-receive.actual &&
725                 test_cmp post-update.expect post-update.actual
726         )
727 '
728
729 test_expect_success 'deletion of a non-existent ref alone does trigger post-receive and post-update hooks' '
730         mk_test_with_hooks testrepo heads/master &&
731         git push testrepo :refs/heads/nonexistent &&
732         (
733                 cd testrepo/.git &&
734                 cat >pre-receive.expect <<-EOF &&
735                 $_z40 $_z40 refs/heads/nonexistent
736                 EOF
737
738                 cat >update.expect <<-EOF &&
739                 refs/heads/nonexistent $_z40 $_z40
740                 EOF
741
742                 test_cmp pre-receive.expect pre-receive.actual &&
743                 test_cmp update.expect update.actual &&
744                 test_path_is_missing post-receive.actual &&
745                 test_path_is_missing post-update.actual
746         )
747 '
748
749 test_expect_success 'mixed ref updates, deletes, invalid deletes trigger hooks with correct input' '
750         mk_test_with_hooks testrepo heads/master heads/next heads/pu &&
751         orgmaster=$(cd testrepo && git show-ref -s --verify refs/heads/master) &&
752         newmaster=$(git show-ref -s --verify refs/heads/master) &&
753         orgnext=$(cd testrepo && git show-ref -s --verify refs/heads/next) &&
754         newnext=$_z40 &&
755         orgpu=$(cd testrepo && git show-ref -s --verify refs/heads/pu) &&
756         newpu=$(git show-ref -s --verify refs/heads/master) &&
757         git push testrepo refs/heads/master:refs/heads/master \
758             refs/heads/master:refs/heads/pu :refs/heads/next \
759             :refs/heads/nonexistent &&
760         (
761                 cd testrepo/.git &&
762                 cat >pre-receive.expect <<-EOF &&
763                 $orgmaster $newmaster refs/heads/master
764                 $orgnext $newnext refs/heads/next
765                 $orgpu $newpu refs/heads/pu
766                 $_z40 $_z40 refs/heads/nonexistent
767                 EOF
768
769                 cat >update.expect <<-EOF &&
770                 refs/heads/master $orgmaster $newmaster
771                 refs/heads/next $orgnext $newnext
772                 refs/heads/pu $orgpu $newpu
773                 refs/heads/nonexistent $_z40 $_z40
774                 EOF
775
776                 cat >post-receive.expect <<-EOF &&
777                 $orgmaster $newmaster refs/heads/master
778                 $orgnext $newnext refs/heads/next
779                 $orgpu $newpu refs/heads/pu
780                 EOF
781
782                 cat >post-update.expect <<-EOF &&
783                 refs/heads/master
784                 refs/heads/next
785                 refs/heads/pu
786                 EOF
787
788                 test_cmp pre-receive.expect pre-receive.actual &&
789                 test_cmp update.expect update.actual &&
790                 test_cmp post-receive.expect post-receive.actual &&
791                 test_cmp post-update.expect post-update.actual
792         )
793 '
794
795 test_expect_success 'allow deleting a ref using --delete' '
796         mk_test testrepo heads/master &&
797         (cd testrepo && git config receive.denyDeleteCurrent warn) &&
798         git push testrepo --delete master &&
799         (cd testrepo && test_must_fail git rev-parse --verify refs/heads/master)
800 '
801
802 test_expect_success 'allow deleting a tag using --delete' '
803         mk_test testrepo heads/master &&
804         git tag -a -m dummy_message deltag heads/master &&
805         git push testrepo --tags &&
806         (cd testrepo && git rev-parse --verify -q refs/tags/deltag) &&
807         git push testrepo --delete tag deltag &&
808         (cd testrepo && test_must_fail git rev-parse --verify refs/tags/deltag)
809 '
810
811 test_expect_success 'push --delete without args aborts' '
812         mk_test testrepo heads/master &&
813         test_must_fail git push testrepo --delete
814 '
815
816 test_expect_success 'push --delete refuses src:dest refspecs' '
817         mk_test testrepo heads/master &&
818         test_must_fail git push testrepo --delete master:foo
819 '
820
821 test_expect_success 'warn on push to HEAD of non-bare repository' '
822         mk_test testrepo heads/master &&
823         (
824                 cd testrepo &&
825                 git checkout master &&
826                 git config receive.denyCurrentBranch warn
827         ) &&
828         git push testrepo master 2>stderr &&
829         grep "warning: updating the current branch" stderr
830 '
831
832 test_expect_success 'deny push to HEAD of non-bare repository' '
833         mk_test testrepo heads/master &&
834         (
835                 cd testrepo &&
836                 git checkout master &&
837                 git config receive.denyCurrentBranch true
838         ) &&
839         test_must_fail git push testrepo master
840 '
841
842 test_expect_success 'allow push to HEAD of bare repository (bare)' '
843         mk_test testrepo heads/master &&
844         (
845                 cd testrepo &&
846                 git checkout master &&
847                 git config receive.denyCurrentBranch true &&
848                 git config core.bare true
849         ) &&
850         git push testrepo master 2>stderr &&
851         ! grep "warning: updating the current branch" stderr
852 '
853
854 test_expect_success 'allow push to HEAD of non-bare repository (config)' '
855         mk_test testrepo heads/master &&
856         (
857                 cd testrepo &&
858                 git checkout master &&
859                 git config receive.denyCurrentBranch false
860         ) &&
861         git push testrepo master 2>stderr &&
862         ! grep "warning: updating the current branch" stderr
863 '
864
865 test_expect_success 'fetch with branches' '
866         mk_empty testrepo &&
867         git branch second $the_first_commit &&
868         git checkout second &&
869         echo ".." > testrepo/.git/branches/branch1 &&
870         (
871                 cd testrepo &&
872                 git fetch branch1 &&
873                 echo "$the_commit commit        refs/heads/branch1" >expect &&
874                 git for-each-ref refs/heads >actual &&
875                 test_cmp expect actual
876         ) &&
877         git checkout master
878 '
879
880 test_expect_success 'fetch with branches containing #' '
881         mk_empty testrepo &&
882         echo "..#second" > testrepo/.git/branches/branch2 &&
883         (
884                 cd testrepo &&
885                 git fetch branch2 &&
886                 echo "$the_first_commit commit  refs/heads/branch2" >expect &&
887                 git for-each-ref refs/heads >actual &&
888                 test_cmp expect actual
889         ) &&
890         git checkout master
891 '
892
893 test_expect_success 'push with branches' '
894         mk_empty testrepo &&
895         git checkout second &&
896         echo "testrepo" > .git/branches/branch1 &&
897         git push branch1 &&
898         (
899                 cd testrepo &&
900                 echo "$the_first_commit commit  refs/heads/master" >expect &&
901                 git for-each-ref refs/heads >actual &&
902                 test_cmp expect actual
903         )
904 '
905
906 test_expect_success 'push with branches containing #' '
907         mk_empty testrepo &&
908         echo "testrepo#branch3" > .git/branches/branch2 &&
909         git push branch2 &&
910         (
911                 cd testrepo &&
912                 echo "$the_first_commit commit  refs/heads/branch3" >expect &&
913                 git for-each-ref refs/heads >actual &&
914                 test_cmp expect actual
915         ) &&
916         git checkout master
917 '
918
919 test_expect_success 'push into aliased refs (consistent)' '
920         mk_test testrepo heads/master &&
921         mk_child testrepo child1 &&
922         mk_child testrepo child2 &&
923         (
924                 cd child1 &&
925                 git branch foo &&
926                 git symbolic-ref refs/heads/bar refs/heads/foo
927                 git config receive.denyCurrentBranch false
928         ) &&
929         (
930                 cd child2 &&
931                 >path2 &&
932                 git add path2 &&
933                 test_tick &&
934                 git commit -a -m child2 &&
935                 git branch foo &&
936                 git branch bar &&
937                 git push ../child1 foo bar
938         )
939 '
940
941 test_expect_success 'push into aliased refs (inconsistent)' '
942         mk_test testrepo heads/master &&
943         mk_child testrepo child1 &&
944         mk_child testrepo child2 &&
945         (
946                 cd child1 &&
947                 git branch foo &&
948                 git symbolic-ref refs/heads/bar refs/heads/foo
949                 git config receive.denyCurrentBranch false
950         ) &&
951         (
952                 cd child2 &&
953                 >path2 &&
954                 git add path2 &&
955                 test_tick &&
956                 git commit -a -m child2 &&
957                 git branch foo &&
958                 >path3 &&
959                 git add path3 &&
960                 test_tick &&
961                 git commit -a -m child2 &&
962                 git branch bar &&
963                 test_must_fail git push ../child1 foo bar 2>stderr &&
964                 grep "refusing inconsistent update" stderr
965         )
966 '
967
968 test_expect_success 'push requires --force to update lightweight tag' '
969         mk_test testrepo heads/master &&
970         mk_child testrepo child1 &&
971         mk_child testrepo child2 &&
972         (
973                 cd child1 &&
974                 git tag Tag &&
975                 git push ../child2 Tag &&
976                 git push ../child2 Tag &&
977                 >file1 &&
978                 git add file1 &&
979                 git commit -m "file1" &&
980                 git tag -f Tag &&
981                 test_must_fail git push ../child2 Tag &&
982                 git push --force ../child2 Tag &&
983                 git tag -f Tag &&
984                 test_must_fail git push ../child2 Tag HEAD~ &&
985                 git push --force ../child2 Tag
986         )
987 '
988
989 test_expect_success 'push --porcelain' '
990         mk_empty testrepo &&
991         echo >.git/foo  "To testrepo" &&
992         echo >>.git/foo "*      refs/heads/master:refs/remotes/origin/master    [new branch]"  &&
993         echo >>.git/foo "Done" &&
994         git push >.git/bar --porcelain  testrepo refs/heads/master:refs/remotes/origin/master &&
995         (
996                 cd testrepo &&
997                 echo "$the_commit commit        refs/remotes/origin/master" >expect &&
998                 git for-each-ref refs/remotes/origin >actual &&
999                 test_cmp expect actual
1000         ) &&
1001         test_cmp .git/foo .git/bar
1002 '
1003
1004 test_expect_success 'push --porcelain bad url' '
1005         mk_empty testrepo &&
1006         test_must_fail git push >.git/bar --porcelain asdfasdfasd refs/heads/master:refs/remotes/origin/master &&
1007         test_must_fail grep -q Done .git/bar
1008 '
1009
1010 test_expect_success 'push --porcelain rejected' '
1011         mk_empty testrepo &&
1012         git push testrepo refs/heads/master:refs/remotes/origin/master &&
1013         (cd testrepo &&
1014                 git reset --hard origin/master^
1015                 git config receive.denyCurrentBranch true) &&
1016
1017         echo >.git/foo  "To testrepo"  &&
1018         echo >>.git/foo "!      refs/heads/master:refs/heads/master     [remote rejected] (branch is currently checked out)" &&
1019
1020         test_must_fail git push >.git/bar --porcelain  testrepo refs/heads/master:refs/heads/master &&
1021         test_cmp .git/foo .git/bar
1022 '
1023
1024 test_expect_success 'push --porcelain --dry-run rejected' '
1025         mk_empty testrepo &&
1026         git push testrepo refs/heads/master:refs/remotes/origin/master &&
1027         (cd testrepo &&
1028                 git reset --hard origin/master
1029                 git config receive.denyCurrentBranch true) &&
1030
1031         echo >.git/foo  "To testrepo"  &&
1032         echo >>.git/foo "!      refs/heads/master^:refs/heads/master    [rejected] (non-fast-forward)" &&
1033         echo >>.git/foo "Done" &&
1034
1035         test_must_fail git push >.git/bar --porcelain  --dry-run testrepo refs/heads/master^:refs/heads/master &&
1036         test_cmp .git/foo .git/bar
1037 '
1038
1039 test_expect_success 'push --prune' '
1040         mk_test testrepo heads/master heads/second heads/foo heads/bar &&
1041         git push --prune testrepo : &&
1042         check_push_result testrepo $the_commit heads/master &&
1043         check_push_result testrepo $the_first_commit heads/second &&
1044         ! check_push_result testrepo $the_first_commit heads/foo heads/bar
1045 '
1046
1047 test_expect_success 'push --prune refspec' '
1048         mk_test testrepo tmp/master tmp/second tmp/foo tmp/bar &&
1049         git push --prune testrepo "refs/heads/*:refs/tmp/*" &&
1050         check_push_result testrepo $the_commit tmp/master &&
1051         check_push_result testrepo $the_first_commit tmp/second &&
1052         ! check_push_result testrepo $the_first_commit tmp/foo tmp/bar
1053 '
1054
1055 for configsection in transfer receive
1056 do
1057         test_expect_success "push to update a ref hidden by $configsection.hiderefs" '
1058                 mk_test testrepo heads/master hidden/one hidden/two hidden/three &&
1059                 (
1060                         cd testrepo &&
1061                         git config $configsection.hiderefs refs/hidden
1062                 ) &&
1063
1064                 # push to unhidden ref succeeds normally
1065                 git push testrepo master:refs/heads/master &&
1066                 check_push_result testrepo $the_commit heads/master &&
1067
1068                 # push to update a hidden ref should fail
1069                 test_must_fail git push testrepo master:refs/hidden/one &&
1070                 check_push_result testrepo $the_first_commit hidden/one &&
1071
1072                 # push to delete a hidden ref should fail
1073                 test_must_fail git push testrepo :refs/hidden/two &&
1074                 check_push_result testrepo $the_first_commit hidden/two &&
1075
1076                 # idempotent push to update a hidden ref should fail
1077                 test_must_fail git push testrepo $the_first_commit:refs/hidden/three &&
1078                 check_push_result testrepo $the_first_commit hidden/three
1079         '
1080 done
1081
1082 test_expect_success 'fetch exact SHA1' '
1083         mk_test testrepo heads/master hidden/one &&
1084         git push testrepo master:refs/hidden/one &&
1085         (
1086                 cd testrepo &&
1087                 git config transfer.hiderefs refs/hidden
1088         ) &&
1089         check_push_result testrepo $the_commit hidden/one &&
1090
1091         mk_child testrepo child &&
1092         (
1093                 cd child &&
1094
1095                 # make sure $the_commit does not exist here
1096                 git repack -a -d &&
1097                 git prune &&
1098                 test_must_fail git cat-file -t $the_commit &&
1099
1100                 # fetching the hidden object should fail by default
1101                 test_must_fail git fetch -v ../testrepo $the_commit:refs/heads/copy &&
1102                 test_must_fail git rev-parse --verify refs/heads/copy &&
1103
1104                 # the server side can allow it to succeed
1105                 (
1106                         cd ../testrepo &&
1107                         git config uploadpack.allowtipsha1inwant true
1108                 ) &&
1109
1110                 git fetch -v ../testrepo $the_commit:refs/heads/copy master:refs/heads/extra &&
1111                 cat >expect <<-EOF &&
1112                 $the_commit
1113                 $the_first_commit
1114                 EOF
1115                 {
1116                         git rev-parse --verify refs/heads/copy &&
1117                         git rev-parse --verify refs/heads/extra
1118                 } >actual &&
1119                 test_cmp expect actual
1120         )
1121 '
1122
1123 test_expect_success 'fetch follows tags by default' '
1124         mk_test testrepo heads/master &&
1125         rm -fr src dst &&
1126         git init src &&
1127         (
1128                 cd src &&
1129                 git pull ../testrepo master &&
1130                 git tag -m "annotated" tag &&
1131                 git for-each-ref >tmp1 &&
1132                 (
1133                         cat tmp1
1134                         sed -n "s|refs/heads/master$|refs/remotes/origin/master|p" tmp1
1135                 ) |
1136                 sort -k 3 >../expect
1137         ) &&
1138         git init dst &&
1139         (
1140                 cd dst &&
1141                 git remote add origin ../src &&
1142                 git config branch.master.remote origin &&
1143                 git config branch.master.merge refs/heads/master &&
1144                 git pull &&
1145                 git for-each-ref >../actual
1146         ) &&
1147         test_cmp expect actual
1148 '
1149
1150 test_expect_success 'pushing a specific ref applies remote.$name.push as refmap' '
1151         mk_test testrepo heads/master &&
1152         rm -fr src dst &&
1153         git init src &&
1154         git init --bare dst &&
1155         (
1156                 cd src &&
1157                 git pull ../testrepo master &&
1158                 git branch next &&
1159                 git config remote.dst.url ../dst &&
1160                 git config remote.dst.push "+refs/heads/*:refs/remotes/src/*" &&
1161                 git push dst master &&
1162                 git show-ref refs/heads/master |
1163                 sed -e "s|refs/heads/|refs/remotes/src/|" >../dst/expect
1164         ) &&
1165         (
1166                 cd dst &&
1167                 test_must_fail git show-ref refs/heads/next &&
1168                 test_must_fail git show-ref refs/heads/master &&
1169                 git show-ref refs/remotes/src/master >actual
1170         ) &&
1171         test_cmp dst/expect dst/actual
1172 '
1173
1174 test_expect_success 'with no remote.$name.push, it is not used as refmap' '
1175         mk_test testrepo heads/master &&
1176         rm -fr src dst &&
1177         git init src &&
1178         git init --bare dst &&
1179         (
1180                 cd src &&
1181                 git pull ../testrepo master &&
1182                 git branch next &&
1183                 git config remote.dst.url ../dst &&
1184                 git config push.default matching &&
1185                 git push dst master &&
1186                 git show-ref refs/heads/master >../dst/expect
1187         ) &&
1188         (
1189                 cd dst &&
1190                 test_must_fail git show-ref refs/heads/next &&
1191                 git show-ref refs/heads/master >actual
1192         ) &&
1193         test_cmp dst/expect dst/actual
1194 '
1195
1196 test_expect_success 'with no remote.$name.push, upstream mapping is used' '
1197         mk_test testrepo heads/master &&
1198         rm -fr src dst &&
1199         git init src &&
1200         git init --bare dst &&
1201         (
1202                 cd src &&
1203                 git pull ../testrepo master &&
1204                 git branch next &&
1205                 git config remote.dst.url ../dst &&
1206                 git config remote.dst.fetch "+refs/heads/*:refs/remotes/dst/*" &&
1207                 git config push.default upstream &&
1208
1209                 git config branch.master.merge refs/heads/trunk &&
1210                 git config branch.master.remote dst &&
1211
1212                 git push dst master &&
1213                 git show-ref refs/heads/master |
1214                 sed -e "s|refs/heads/master|refs/heads/trunk|" >../dst/expect
1215         ) &&
1216         (
1217                 cd dst &&
1218                 test_must_fail git show-ref refs/heads/master &&
1219                 test_must_fail git show-ref refs/heads/next &&
1220                 git show-ref refs/heads/trunk >actual
1221         ) &&
1222         test_cmp dst/expect dst/actual
1223 '
1224
1225 test_expect_success 'push does not follow tags by default' '
1226         mk_test testrepo heads/master &&
1227         rm -fr src dst &&
1228         git init src &&
1229         git init --bare dst &&
1230         (
1231                 cd src &&
1232                 git pull ../testrepo master &&
1233                 git tag -m "annotated" tag &&
1234                 git checkout -b another &&
1235                 git commit --allow-empty -m "future commit" &&
1236                 git tag -m "future" future &&
1237                 git checkout master &&
1238                 git for-each-ref refs/heads/master >../expect &&
1239                 git push ../dst master
1240         ) &&
1241         (
1242                 cd dst &&
1243                 git for-each-ref >../actual
1244         ) &&
1245         test_cmp expect actual
1246 '
1247
1248 test_expect_success 'push --follow-tag only pushes relevant tags' '
1249         mk_test testrepo heads/master &&
1250         rm -fr src dst &&
1251         git init src &&
1252         git init --bare dst &&
1253         (
1254                 cd src &&
1255                 git pull ../testrepo master &&
1256                 git tag -m "annotated" tag &&
1257                 git checkout -b another &&
1258                 git commit --allow-empty -m "future commit" &&
1259                 git tag -m "future" future &&
1260                 git checkout master &&
1261                 git for-each-ref refs/heads/master refs/tags/tag >../expect
1262                 git push --follow-tag ../dst master
1263         ) &&
1264         (
1265                 cd dst &&
1266                 git for-each-ref >../actual
1267         ) &&
1268         test_cmp expect actual
1269 '
1270
1271 test_expect_success 'push --no-thin must produce non-thin pack' '
1272         cat >>path1 <<\EOF &&
1273 keep base version of path1 big enough, compared to the new changes
1274 later, in order to pass size heuristics in
1275 builtin/pack-objects.c:try_delta()
1276 EOF
1277         git commit -am initial &&
1278         git init no-thin &&
1279         git --git-dir=no-thin/.git config receive.unpacklimit 0 &&
1280         git push no-thin/.git refs/heads/master:refs/heads/foo &&
1281         echo modified >> path1 &&
1282         git commit -am modified &&
1283         git repack -adf &&
1284         rcvpck="git receive-pack --reject-thin-pack-for-testing" &&
1285         git push --no-thin --receive-pack="$rcvpck" no-thin/.git refs/heads/master:refs/heads/foo
1286 '
1287
1288 test_expect_success 'pushing a tag pushes the tagged object' '
1289         rm -rf dst.git &&
1290         blob=$(echo unreferenced | git hash-object -w --stdin) &&
1291         git tag -m foo tag-of-blob $blob &&
1292         git init --bare dst.git &&
1293         git push dst.git tag-of-blob &&
1294         # the receiving index-pack should have noticed
1295         # any problems, but we double check
1296         echo unreferenced >expect &&
1297         git --git-dir=dst.git cat-file blob tag-of-blob >actual &&
1298         test_cmp expect actual
1299 '
1300
1301 test_expect_success 'push into bare respects core.logallrefupdates' '
1302         rm -rf dst.git &&
1303         git init --bare dst.git &&
1304         git -C dst.git config core.logallrefupdates true &&
1305
1306         # double push to test both with and without
1307         # the actual pack transfer
1308         git push dst.git master:one &&
1309         echo "one@{0} push" >expect &&
1310         git -C dst.git log -g --format="%gd %gs" one >actual &&
1311         test_cmp expect actual &&
1312
1313         git push dst.git master:two &&
1314         echo "two@{0} push" >expect &&
1315         git -C dst.git log -g --format="%gd %gs" two >actual &&
1316         test_cmp expect actual
1317 '
1318
1319 test_expect_success 'fetch into bare respects core.logallrefupdates' '
1320         rm -rf dst.git &&
1321         git init --bare dst.git &&
1322         (
1323                 cd dst.git &&
1324                 git config core.logallrefupdates true &&
1325
1326                 # as above, we double-fetch to test both
1327                 # with and without pack transfer
1328                 git fetch .. master:one &&
1329                 echo "one@{0} fetch .. master:one: storing head" >expect &&
1330                 git log -g --format="%gd %gs" one >actual &&
1331                 test_cmp expect actual &&
1332
1333                 git fetch .. master:two &&
1334                 echo "two@{0} fetch .. master:two: storing head" >expect &&
1335                 git log -g --format="%gd %gs" two >actual &&
1336                 test_cmp expect actual
1337         )
1338 '
1339
1340 test_expect_success 'receive.denyCurrentBranch = updateInstead' '
1341         git push testrepo master &&
1342         (
1343                 cd testrepo &&
1344                 git reset --hard &&
1345                 git config receive.denyCurrentBranch updateInstead
1346         ) &&
1347         test_commit third path2 &&
1348
1349         # Try pushing into a repository with pristine working tree
1350         git push testrepo master &&
1351         (
1352                 cd testrepo &&
1353                 git update-index -q --refresh &&
1354                 git diff-files --quiet -- &&
1355                 git diff-index --quiet --cached HEAD -- &&
1356                 test third = "$(cat path2)" &&
1357                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1358         ) &&
1359
1360         # Try pushing into a repository with working tree needing a refresh
1361         (
1362                 cd testrepo &&
1363                 git reset --hard HEAD^ &&
1364                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1365                 test-chmtime +100 path1
1366         ) &&
1367         git push testrepo master &&
1368         (
1369                 cd testrepo &&
1370                 git update-index -q --refresh &&
1371                 git diff-files --quiet -- &&
1372                 git diff-index --quiet --cached HEAD -- &&
1373                 test_cmp ../path1 path1 &&
1374                 test third = "$(cat path2)" &&
1375                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1376         ) &&
1377
1378         # Update what is to be pushed
1379         test_commit fourth path2 &&
1380
1381         # Try pushing into a repository with a dirty working tree
1382         # (1) the working tree updated
1383         (
1384                 cd testrepo &&
1385                 echo changed >path1
1386         ) &&
1387         test_must_fail git push testrepo master &&
1388         (
1389                 cd testrepo &&
1390                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1391                 git diff --quiet --cached &&
1392                 test changed = "$(cat path1)"
1393         ) &&
1394
1395         # (2) the index updated
1396         (
1397                 cd testrepo &&
1398                 echo changed >path1 &&
1399                 git add path1
1400         ) &&
1401         test_must_fail git push testrepo master &&
1402         (
1403                 cd testrepo &&
1404                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1405                 git diff --quiet &&
1406                 test changed = "$(cat path1)"
1407         ) &&
1408
1409         # Introduce a new file in the update
1410         test_commit fifth path3 &&
1411
1412         # (3) the working tree has an untracked file that would interfere
1413         (
1414                 cd testrepo &&
1415                 git reset --hard &&
1416                 echo changed >path3
1417         ) &&
1418         test_must_fail git push testrepo master &&
1419         (
1420                 cd testrepo &&
1421                 test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
1422                 git diff --quiet &&
1423                 git diff --quiet --cached &&
1424                 test changed = "$(cat path3)"
1425         ) &&
1426
1427         # (4) the target changes to what gets pushed but it still is a change
1428         (
1429                 cd testrepo &&
1430                 git reset --hard &&
1431                 echo fifth >path3 &&
1432                 git add path3
1433         ) &&
1434         test_must_fail git push testrepo master &&
1435         (
1436                 cd testrepo &&
1437                 test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
1438                 git diff --quiet &&
1439                 test fifth = "$(cat path3)"
1440         ) &&
1441
1442         # (5) push into void
1443         rm -fr void &&
1444         git init void &&
1445         (
1446                 cd void &&
1447                 git config receive.denyCurrentBranch updateInstead
1448         ) &&
1449         git push void master &&
1450         (
1451                 cd void &&
1452                 test $(git -C .. rev-parse master) = $(git rev-parse HEAD) &&
1453                 git diff --quiet &&
1454                 git diff --cached --quiet
1455         )
1456 '
1457
1458 test_expect_success 'updateInstead with push-to-checkout hook' '
1459         rm -fr testrepo &&
1460         git init testrepo &&
1461         (
1462                 cd testrepo &&
1463                 git pull .. master &&
1464                 git reset --hard HEAD^^ &&
1465                 git tag initial &&
1466                 git config receive.denyCurrentBranch updateInstead &&
1467                 write_script .git/hooks/push-to-checkout <<-\EOF
1468                 echo >&2 updating from $(git rev-parse HEAD)
1469                 echo >&2 updating to "$1"
1470
1471                 git update-index -q --refresh &&
1472                 git read-tree -u -m HEAD "$1" || {
1473                         status=$?
1474                         echo >&2 read-tree failed
1475                         exit $status
1476                 }
1477                 EOF
1478         ) &&
1479
1480         # Try pushing into a pristine
1481         git push testrepo master &&
1482         (
1483                 cd testrepo &&
1484                 git diff --quiet &&
1485                 git diff HEAD --quiet &&
1486                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1487         ) &&
1488
1489         # Try pushing into a repository with conflicting change
1490         (
1491                 cd testrepo &&
1492                 git reset --hard initial &&
1493                 echo conflicting >path2
1494         ) &&
1495         test_must_fail git push testrepo master &&
1496         (
1497                 cd testrepo &&
1498                 test $(git rev-parse initial) = $(git rev-parse HEAD) &&
1499                 test conflicting = "$(cat path2)" &&
1500                 git diff-index --quiet --cached HEAD
1501         ) &&
1502
1503         # Try pushing into a repository with unrelated change
1504         (
1505                 cd testrepo &&
1506                 git reset --hard initial &&
1507                 echo unrelated >path1 &&
1508                 echo irrelevant >path5 &&
1509                 git add path5
1510         ) &&
1511         git push testrepo master &&
1512         (
1513                 cd testrepo &&
1514                 test "$(cat path1)" = unrelated &&
1515                 test "$(cat path5)" = irrelevant &&
1516                 test "$(git diff --name-only --cached HEAD)" = path5 &&
1517                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1518         ) &&
1519
1520         # push into void
1521         rm -fr void &&
1522         git init void &&
1523         (
1524                 cd void &&
1525                 git config receive.denyCurrentBranch updateInstead &&
1526                 write_script .git/hooks/push-to-checkout <<-\EOF
1527                 if git rev-parse --quiet --verify HEAD
1528                 then
1529                         has_head=yes
1530                         echo >&2 updating from $(git rev-parse HEAD)
1531                 else
1532                         has_head=no
1533                         echo >&2 pushing into void
1534                 fi
1535                 echo >&2 updating to "$1"
1536
1537                 git update-index -q --refresh &&
1538                 case "$has_head" in
1539                 yes)
1540                         git read-tree -u -m HEAD "$1" ;;
1541                 no)
1542                         git read-tree -u -m "$1" ;;
1543                 esac || {
1544                         status=$?
1545                         echo >&2 read-tree failed
1546                         exit $status
1547                 }
1548                 EOF
1549         ) &&
1550
1551         git push void master &&
1552         (
1553                 cd void &&
1554                 git diff --quiet &&
1555                 git diff --cached --quiet &&
1556                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1557         )
1558 '
1559
1560 test_done