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