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 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
  18 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
  19
  20 . ./test-lib.sh
  21
  22 D=$(pwd)
  23
  24 mk_empty () {
  25         repo_name="$1"
  26         rm -fr "$repo_name" &&
  27         mkdir "$repo_name" &&
  28         (
  29                 cd "$repo_name" &&
  30                 git init &&
  31                 git config receive.denyCurrentBranch warn &&
  32                 mv .git/hooks .git/hooks-disabled
  33         )
  34 }
  35
  36 mk_test () {
  37         repo_name="$1"
  38         shift
  39
  40         mk_empty "$repo_name" &&
  41         (
  42                 for ref in "$@"
  43                 do
  44                         git push "$repo_name" $the_first_commit:refs/$ref ||
  45                         exit
  46                 done &&
  47                 cd "$repo_name" &&
  48                 for ref in "$@"
  49                 do
  50                         echo "$the_first_commit" >expect &&
  51                         git show-ref -s --verify refs/$ref >actual &&
  52                         test_cmp expect actual ||
  53                         exit
  54                 done &&
  55                 git fsck --full
  56         )
  57 }
  58
  59 mk_test_with_hooks() {
  60         repo_name=$1
  61         mk_test "$@" &&
  62         (
  63                 cd "$repo_name" &&
  64                 mkdir .git/hooks &&
  65                 cd .git/hooks &&
  66
  67                 cat >pre-receive <<-'EOF' &&
  68                 #!/bin/sh
  69                 cat - >>pre-receive.actual
  70                 EOF
  71
  72                 cat >update <<-'EOF' &&
  73                 #!/bin/sh
  74                 printf "%s %s %s\n" "$@" >>update.actual
  75                 EOF
  76
  77                 cat >post-receive <<-'EOF' &&
  78                 #!/bin/sh
  79                 cat - >>post-receive.actual
  80                 EOF
  81
  82                 cat >post-update <<-'EOF' &&
  83                 #!/bin/sh
  84                 for ref in "$@"
  85                 do
  86                         printf "%s\n" "$ref" >>post-update.actual
  87                 done
  88                 EOF
  89
  90                 chmod +x pre-receive update post-receive post-update
  91         )
  92 }
  93
  94 mk_child() {
  95         rm -rf "$2" &&
  96         git clone "$1" "$2"
  97 }
  98
  99 check_push_result () {
 100         test $# -ge 3 ||
 101         BUG "check_push_result requires at least 3 parameters"
 102
 103         repo_name="$1"
 104         shift
 105
 106         (
 107                 cd "$repo_name" &&
 108                 echo "$1" >expect &&
 109                 shift &&
 110                 for ref in "$@"
 111                 do
 112                         git show-ref -s --verify refs/$ref >actual &&
 113                         test_cmp expect actual ||
 114                         exit
 115                 done &&
 116                 git fsck --full
 117         )
 118 }
 119
 120 test_expect_success setup '
 121
 122         >path1 &&
 123         git add path1 &&
 124         test_tick &&
 125         git commit -a -m repo &&
 126         the_first_commit=$(git show-ref -s --verify refs/heads/main) &&
 127
 128         >path2 &&
 129         git add path2 &&
 130         test_tick &&
 131         git commit -a -m second &&
 132         the_commit=$(git show-ref -s --verify refs/heads/main)
 133
 134 '
 135
 136 test_expect_success 'fetch without wildcard' '
 137         mk_empty testrepo &&
 138         (
 139                 cd testrepo &&
 140                 git fetch .. refs/heads/main:refs/remotes/origin/main &&
 141
 142                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 143                 git for-each-ref refs/remotes/origin >actual &&
 144                 test_cmp expect actual
 145         )
 146 '
 147
 148 test_expect_success 'fetch with wildcard' '
 149         mk_empty testrepo &&
 150         (
 151                 cd testrepo &&
 152                 git config remote.up.url .. &&
 153                 git config remote.up.fetch "refs/heads/*:refs/remotes/origin/*" &&
 154                 git fetch up &&
 155
 156                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 157                 git for-each-ref refs/remotes/origin >actual &&
 158                 test_cmp expect actual
 159         )
 160 '
 161
 162 test_expect_success 'fetch with insteadOf' '
 163         mk_empty testrepo &&
 164         (
 165                 TRASH=$(pwd)/ &&
 166                 cd testrepo &&
 167                 git config "url.$TRASH.insteadOf" trash/ &&
 168                 git config remote.up.url trash/. &&
 169                 git config remote.up.fetch "refs/heads/*:refs/remotes/origin/*" &&
 170                 git fetch up &&
 171
 172                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 173                 git for-each-ref refs/remotes/origin >actual &&
 174                 test_cmp expect actual
 175         )
 176 '
 177
 178 test_expect_success 'fetch with pushInsteadOf (should not rewrite)' '
 179         mk_empty testrepo &&
 180         (
 181                 TRASH=$(pwd)/ &&
 182                 cd testrepo &&
 183                 git config "url.trash/.pushInsteadOf" "$TRASH" &&
 184                 git config remote.up.url "$TRASH." &&
 185                 git config remote.up.fetch "refs/heads/*:refs/remotes/origin/*" &&
 186                 git fetch up &&
 187
 188                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 189                 git for-each-ref refs/remotes/origin >actual &&
 190                 test_cmp expect actual
 191         )
 192 '
 193
 194 test_expect_success 'push without wildcard' '
 195         mk_empty testrepo &&
 196
 197         git push testrepo refs/heads/main:refs/remotes/origin/main &&
 198         (
 199                 cd testrepo &&
 200                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 201                 git for-each-ref refs/remotes/origin >actual &&
 202                 test_cmp expect actual
 203         )
 204 '
 205
 206 test_expect_success 'push with wildcard' '
 207         mk_empty testrepo &&
 208
 209         git push testrepo "refs/heads/*:refs/remotes/origin/*" &&
 210         (
 211                 cd testrepo &&
 212                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 213                 git for-each-ref refs/remotes/origin >actual &&
 214                 test_cmp expect actual
 215         )
 216 '
 217
 218 test_expect_success 'push with insteadOf' '
 219         mk_empty testrepo &&
 220         TRASH="$(pwd)/" &&
 221         test_config "url.$TRASH.insteadOf" trash/ &&
 222         git push trash/testrepo refs/heads/main:refs/remotes/origin/main &&
 223         (
 224                 cd testrepo &&
 225                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 226                 git for-each-ref refs/remotes/origin >actual &&
 227                 test_cmp expect actual
 228         )
 229 '
 230
 231 test_expect_success 'push with pushInsteadOf' '
 232         mk_empty testrepo &&
 233         TRASH="$(pwd)/" &&
 234         test_config "url.$TRASH.pushInsteadOf" trash/ &&
 235         git push trash/testrepo refs/heads/main:refs/remotes/origin/main &&
 236         (
 237                 cd testrepo &&
 238                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 239                 git for-each-ref refs/remotes/origin >actual &&
 240                 test_cmp expect actual
 241         )
 242 '
 243
 244 test_expect_success 'push with pushInsteadOf and explicit pushurl (pushInsteadOf should not rewrite)' '
 245         mk_empty testrepo &&
 246         test_config "url.trash2/.pushInsteadOf" testrepo/ &&
 247         test_config "url.trash3/.pushInsteadOf" trash/wrong &&
 248         test_config remote.r.url trash/wrong &&
 249         test_config remote.r.pushurl "testrepo/" &&
 250         git push r refs/heads/main:refs/remotes/origin/main &&
 251         (
 252                 cd testrepo &&
 253                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 254                 git for-each-ref refs/remotes/origin >actual &&
 255                 test_cmp expect actual
 256         )
 257 '
 258
 259 test_expect_success 'push with matching heads' '
 260
 261         mk_test testrepo heads/main &&
 262         git push testrepo : &&
 263         check_push_result testrepo $the_commit heads/main
 264
 265 '
 266
 267 test_expect_success 'push with matching heads on the command line' '
 268
 269         mk_test testrepo heads/main &&
 270         git push testrepo : &&
 271         check_push_result testrepo $the_commit heads/main
 272
 273 '
 274
 275 test_expect_success 'failed (non-fast-forward) push with matching heads' '
 276
 277         mk_test testrepo heads/main &&
 278         git push testrepo : &&
 279         git commit --amend -massaged &&
 280         test_must_fail git push testrepo &&
 281         check_push_result testrepo $the_commit heads/main &&
 282         git reset --hard $the_commit
 283
 284 '
 285
 286 test_expect_success 'push --force with matching heads' '
 287
 288         mk_test testrepo heads/main &&
 289         git push testrepo : &&
 290         git commit --amend -massaged &&
 291         git push --force testrepo : &&
 292         ! check_push_result testrepo $the_commit heads/main &&
 293         git reset --hard $the_commit
 294
 295 '
 296
 297 test_expect_success 'push with matching heads and forced update' '
 298
 299         mk_test testrepo heads/main &&
 300         git push testrepo : &&
 301         git commit --amend -massaged &&
 302         git push testrepo +: &&
 303         ! check_push_result testrepo $the_commit heads/main &&
 304         git reset --hard $the_commit
 305
 306 '
 307
 308 test_expect_success 'push with no ambiguity (1)' '
 309
 310         mk_test testrepo heads/main &&
 311         git push testrepo main:main &&
 312         check_push_result testrepo $the_commit heads/main
 313
 314 '
 315
 316 test_expect_success 'push with no ambiguity (2)' '
 317
 318         mk_test testrepo remotes/origin/main &&
 319         git push testrepo main:origin/main &&
 320         check_push_result testrepo $the_commit remotes/origin/main
 321
 322 '
 323
 324 test_expect_success 'push with colon-less refspec, no ambiguity' '
 325
 326         mk_test testrepo heads/main heads/t/main &&
 327         git branch -f t/main main &&
 328         git push testrepo main &&
 329         check_push_result testrepo $the_commit heads/main &&
 330         check_push_result testrepo $the_first_commit heads/t/main
 331
 332 '
 333
 334 test_expect_success 'push with weak ambiguity (1)' '
 335
 336         mk_test testrepo heads/main remotes/origin/main &&
 337         git push testrepo main:main &&
 338         check_push_result testrepo $the_commit heads/main &&
 339         check_push_result testrepo $the_first_commit remotes/origin/main
 340
 341 '
 342
 343 test_expect_success 'push with weak ambiguity (2)' '
 344
 345         mk_test testrepo heads/main remotes/origin/main remotes/another/main &&
 346         git push testrepo main:main &&
 347         check_push_result testrepo $the_commit heads/main &&
 348         check_push_result testrepo $the_first_commit remotes/origin/main remotes/another/main
 349
 350 '
 351
 352 test_expect_success 'push with ambiguity' '
 353
 354         mk_test testrepo heads/frotz tags/frotz &&
 355         test_must_fail git push testrepo main:frotz &&
 356         check_push_result testrepo $the_first_commit heads/frotz tags/frotz
 357
 358 '
 359
 360 test_expect_success 'push with colon-less refspec (1)' '
 361
 362         mk_test testrepo heads/frotz tags/frotz &&
 363         git branch -f frotz main &&
 364         git push testrepo frotz &&
 365         check_push_result testrepo $the_commit heads/frotz &&
 366         check_push_result testrepo $the_first_commit tags/frotz
 367
 368 '
 369
 370 test_expect_success 'push with colon-less refspec (2)' '
 371
 372         mk_test testrepo heads/frotz tags/frotz &&
 373         if git show-ref --verify -q refs/heads/frotz
 374         then
 375                 git branch -D frotz
 376         fi &&
 377         git tag -f frotz &&
 378         git push -f testrepo frotz &&
 379         check_push_result testrepo $the_commit tags/frotz &&
 380         check_push_result testrepo $the_first_commit heads/frotz
 381
 382 '
 383
 384 test_expect_success 'push with colon-less refspec (3)' '
 385
 386         mk_test testrepo &&
 387         if git show-ref --verify -q refs/tags/frotz
 388         then
 389                 git tag -d frotz
 390         fi &&
 391         git branch -f frotz main &&
 392         git push testrepo frotz &&
 393         check_push_result testrepo $the_commit heads/frotz &&
 394         test 1 = $( cd testrepo && git show-ref | wc -l )
 395 '
 396
 397 test_expect_success 'push with colon-less refspec (4)' '
 398
 399         mk_test testrepo &&
 400         if git show-ref --verify -q refs/heads/frotz
 401         then
 402                 git branch -D frotz
 403         fi &&
 404         git tag -f frotz &&
 405         git push testrepo frotz &&
 406         check_push_result testrepo $the_commit tags/frotz &&
 407         test 1 = $( cd testrepo && git show-ref | wc -l )
 408
 409 '
 410
 411 test_expect_success 'push head with non-existent, incomplete dest' '
 412
 413         mk_test testrepo &&
 414         git push testrepo main:branch &&
 415         check_push_result testrepo $the_commit heads/branch
 416
 417 '
 418
 419 test_expect_success 'push tag with non-existent, incomplete dest' '
 420
 421         mk_test testrepo &&
 422         git tag -f v1.0 &&
 423         git push testrepo v1.0:tag &&
 424         check_push_result testrepo $the_commit tags/tag
 425
 426 '
 427
 428 test_expect_success 'push sha1 with non-existent, incomplete dest' '
 429
 430         mk_test testrepo &&
 431         test_must_fail git push testrepo $(git rev-parse main):foo
 432
 433 '
 434
 435 test_expect_success 'push ref expression with non-existent, incomplete dest' '
 436
 437         mk_test testrepo &&
 438         test_must_fail git push testrepo main^:branch
 439
 440 '
 441
 442 for head in HEAD @
 443 do
 444
 445         test_expect_success "push with $head" '
 446                 mk_test testrepo heads/main &&
 447                 git checkout main &&
 448                 git push testrepo $head &&
 449                 check_push_result testrepo $the_commit heads/main
 450         '
 451
 452         test_expect_success "push with $head nonexisting at remote" '
 453                 mk_test testrepo heads/main &&
 454                 git checkout -b local main &&
 455                 test_when_finished "git checkout main; git branch -D local" &&
 456                 git push testrepo $head &&
 457                 check_push_result testrepo $the_commit heads/local
 458         '
 459
 460         test_expect_success "push with +$head" '
 461                 mk_test testrepo heads/main &&
 462                 git checkout -b local main &&
 463                 test_when_finished "git checkout main; git branch -D local" &&
 464                 git push testrepo main local &&
 465                 check_push_result testrepo $the_commit heads/main &&
 466                 check_push_result testrepo $the_commit heads/local &&
 467
 468                 # Without force rewinding should fail
 469                 git reset --hard $head^ &&
 470                 test_must_fail git push testrepo $head &&
 471                 check_push_result testrepo $the_commit heads/local &&
 472
 473                 # With force rewinding should succeed
 474                 git push testrepo +$head &&
 475                 check_push_result testrepo $the_first_commit heads/local
 476         '
 477
 478         test_expect_success "push $head with non-existent, incomplete dest" '
 479                 mk_test testrepo &&
 480                 git checkout main &&
 481                 git push testrepo $head:branch &&
 482                 check_push_result testrepo $the_commit heads/branch
 483
 484         '
 485
 486         test_expect_success "push with config remote.*.push = $head" '
 487                 mk_test testrepo heads/local &&
 488                 git checkout main &&
 489                 git branch -f local $the_commit &&
 490                 test_when_finished "git branch -D local" &&
 491                 (
 492                         cd testrepo &&
 493                         git checkout local &&
 494                         git reset --hard $the_first_commit
 495                 ) &&
 496                 test_config remote.there.url testrepo &&
 497                 test_config remote.there.push $head &&
 498                 test_config branch.main.remote there &&
 499                 git push &&
 500                 check_push_result testrepo $the_commit heads/main &&
 501                 check_push_result testrepo $the_first_commit heads/local
 502         '
 503
 504 done
 505
 506 test_expect_success 'push with remote.pushdefault' '
 507         mk_test up_repo heads/main &&
 508         mk_test down_repo heads/main &&
 509         test_config remote.up.url up_repo &&
 510         test_config remote.down.url down_repo &&
 511         test_config branch.main.remote up &&
 512         test_config remote.pushdefault down &&
 513         test_config push.default matching &&
 514         git push &&
 515         check_push_result up_repo $the_first_commit heads/main &&
 516         check_push_result down_repo $the_commit heads/main
 517 '
 518
 519 test_expect_success 'push with config remote.*.pushurl' '
 520
 521         mk_test testrepo heads/main &&
 522         git checkout main &&
 523         test_config remote.there.url test2repo &&
 524         test_config remote.there.pushurl testrepo &&
 525         git push there : &&
 526         check_push_result testrepo $the_commit heads/main
 527 '
 528
 529 test_expect_success 'push with config branch.*.pushremote' '
 530         mk_test up_repo heads/main &&
 531         mk_test side_repo heads/main &&
 532         mk_test down_repo heads/main &&
 533         test_config remote.up.url up_repo &&
 534         test_config remote.pushdefault side_repo &&
 535         test_config remote.down.url down_repo &&
 536         test_config branch.main.remote up &&
 537         test_config branch.main.pushremote down &&
 538         test_config push.default matching &&
 539         git push &&
 540         check_push_result up_repo $the_first_commit heads/main &&
 541         check_push_result side_repo $the_first_commit heads/main &&
 542         check_push_result down_repo $the_commit heads/main
 543 '
 544
 545 test_expect_success 'branch.*.pushremote config order is irrelevant' '
 546         mk_test one_repo heads/main &&
 547         mk_test two_repo heads/main &&
 548         test_config remote.one.url one_repo &&
 549         test_config remote.two.url two_repo &&
 550         test_config branch.main.pushremote two_repo &&
 551         test_config remote.pushdefault one_repo &&
 552         test_config push.default matching &&
 553         git push &&
 554         check_push_result one_repo $the_first_commit heads/main &&
 555         check_push_result two_repo $the_commit heads/main
 556 '
 557
 558 test_expect_success 'push with dry-run' '
 559
 560         mk_test testrepo heads/main &&
 561         old_commit=$(git -C testrepo show-ref -s --verify refs/heads/main) &&
 562         git push --dry-run testrepo : &&
 563         check_push_result testrepo $old_commit heads/main
 564 '
 565
 566 test_expect_success 'push updates local refs' '
 567
 568         mk_test testrepo heads/main &&
 569         mk_child testrepo child &&
 570         (
 571                 cd child &&
 572                 git pull .. main &&
 573                 git push &&
 574                 test $(git rev-parse main) = \
 575                         $(git rev-parse remotes/origin/main)
 576         )
 577
 578 '
 579
 580 test_expect_success 'push updates up-to-date local refs' '
 581
 582         mk_test testrepo heads/main &&
 583         mk_child testrepo child1 &&
 584         mk_child testrepo child2 &&
 585         (cd child1 && git pull .. main && git push) &&
 586         (
 587                 cd child2 &&
 588                 git pull ../child1 main &&
 589                 git push &&
 590                 test $(git rev-parse main) = \
 591                         $(git rev-parse remotes/origin/main)
 592         )
 593
 594 '
 595
 596 test_expect_success 'push preserves up-to-date packed refs' '
 597
 598         mk_test testrepo heads/main &&
 599         mk_child testrepo child &&
 600         (
 601                 cd child &&
 602                 git push &&
 603                 ! test -f .git/refs/remotes/origin/main
 604         )
 605
 606 '
 607
 608 test_expect_success 'push does not update local refs on failure' '
 609
 610         mk_test testrepo heads/main &&
 611         mk_child testrepo child &&
 612         mkdir testrepo/.git/hooks &&
 613         echo "#!/no/frobnication/today" >testrepo/.git/hooks/pre-receive &&
 614         chmod +x testrepo/.git/hooks/pre-receive &&
 615         (
 616                 cd child &&
 617                 git pull .. main &&
 618                 test_must_fail git push &&
 619                 test $(git rev-parse main) != \
 620                         $(git rev-parse remotes/origin/main)
 621         )
 622
 623 '
 624
 625 test_expect_success 'allow deleting an invalid remote ref' '
 626
 627         mk_test testrepo heads/main &&
 628         rm -f testrepo/.git/objects/??/* &&
 629         git push testrepo :refs/heads/main &&
 630         (cd testrepo && test_must_fail git rev-parse --verify refs/heads/main)
 631
 632 '
 633
 634 test_expect_success 'pushing valid refs triggers post-receive and post-update hooks' '
 635         mk_test_with_hooks testrepo heads/main heads/next &&
 636         orgmain=$(cd testrepo && git show-ref -s --verify refs/heads/main) &&
 637         newmain=$(git show-ref -s --verify refs/heads/main) &&
 638         orgnext=$(cd testrepo && git show-ref -s --verify refs/heads/next) &&
 639         newnext=$ZERO_OID &&
 640         git push testrepo refs/heads/main:refs/heads/main :refs/heads/next &&
 641         (
 642                 cd testrepo/.git &&
 643                 cat >pre-receive.expect <<-EOF &&
 644                 $orgmain $newmain refs/heads/main
 645                 $orgnext $newnext refs/heads/next
 646                 EOF
 647
 648                 cat >update.expect <<-EOF &&
 649                 refs/heads/main $orgmain $newmain
 650                 refs/heads/next $orgnext $newnext
 651                 EOF
 652
 653                 cat >post-receive.expect <<-EOF &&
 654                 $orgmain $newmain refs/heads/main
 655                 $orgnext $newnext refs/heads/next
 656                 EOF
 657
 658                 cat >post-update.expect <<-EOF &&
 659                 refs/heads/main
 660                 refs/heads/next
 661                 EOF
 662
 663                 test_cmp pre-receive.expect pre-receive.actual &&
 664                 test_cmp update.expect update.actual &&
 665                 test_cmp post-receive.expect post-receive.actual &&
 666                 test_cmp post-update.expect post-update.actual
 667         )
 668 '
 669
 670 test_expect_success 'deleting dangling ref triggers hooks with correct args' '
 671         mk_test_with_hooks testrepo heads/main &&
 672         rm -f testrepo/.git/objects/??/* &&
 673         git push testrepo :refs/heads/main &&
 674         (
 675                 cd testrepo/.git &&
 676                 cat >pre-receive.expect <<-EOF &&
 677                 $ZERO_OID $ZERO_OID refs/heads/main
 678                 EOF
 679
 680                 cat >update.expect <<-EOF &&
 681                 refs/heads/main $ZERO_OID $ZERO_OID
 682                 EOF
 683
 684                 cat >post-receive.expect <<-EOF &&
 685                 $ZERO_OID $ZERO_OID refs/heads/main
 686                 EOF
 687
 688                 cat >post-update.expect <<-EOF &&
 689                 refs/heads/main
 690                 EOF
 691
 692                 test_cmp pre-receive.expect pre-receive.actual &&
 693                 test_cmp update.expect update.actual &&
 694                 test_cmp post-receive.expect post-receive.actual &&
 695                 test_cmp post-update.expect post-update.actual
 696         )
 697 '
 698
 699 test_expect_success 'deletion of a non-existent ref is not fed to post-receive and post-update hooks' '
 700         mk_test_with_hooks testrepo heads/main &&
 701         orgmain=$(cd testrepo && git show-ref -s --verify refs/heads/main) &&
 702         newmain=$(git show-ref -s --verify refs/heads/main) &&
 703         git push testrepo main :refs/heads/nonexistent &&
 704         (
 705                 cd testrepo/.git &&
 706                 cat >pre-receive.expect <<-EOF &&
 707                 $orgmain $newmain refs/heads/main
 708                 $ZERO_OID $ZERO_OID refs/heads/nonexistent
 709                 EOF
 710
 711                 cat >update.expect <<-EOF &&
 712                 refs/heads/main $orgmain $newmain
 713                 refs/heads/nonexistent $ZERO_OID $ZERO_OID
 714                 EOF
 715
 716                 cat >post-receive.expect <<-EOF &&
 717                 $orgmain $newmain refs/heads/main
 718                 EOF
 719
 720                 cat >post-update.expect <<-EOF &&
 721                 refs/heads/main
 722                 EOF
 723
 724                 test_cmp pre-receive.expect pre-receive.actual &&
 725                 test_cmp update.expect update.actual &&
 726                 test_cmp post-receive.expect post-receive.actual &&
 727                 test_cmp post-update.expect post-update.actual
 728         )
 729 '
 730
 731 test_expect_success 'deletion of a non-existent ref alone does trigger post-receive and post-update hooks' '
 732         mk_test_with_hooks testrepo heads/main &&
 733         git push testrepo :refs/heads/nonexistent &&
 734         (
 735                 cd testrepo/.git &&
 736                 cat >pre-receive.expect <<-EOF &&
 737                 $ZERO_OID $ZERO_OID refs/heads/nonexistent
 738                 EOF
 739
 740                 cat >update.expect <<-EOF &&
 741                 refs/heads/nonexistent $ZERO_OID $ZERO_OID
 742                 EOF
 743
 744                 test_cmp pre-receive.expect pre-receive.actual &&
 745                 test_cmp update.expect update.actual &&
 746                 test_path_is_missing post-receive.actual &&
 747                 test_path_is_missing post-update.actual
 748         )
 749 '
 750
 751 test_expect_success 'mixed ref updates, deletes, invalid deletes trigger hooks with correct input' '
 752         mk_test_with_hooks testrepo heads/main heads/next heads/seen &&
 753         orgmain=$(cd testrepo && git show-ref -s --verify refs/heads/main) &&
 754         newmain=$(git show-ref -s --verify refs/heads/main) &&
 755         orgnext=$(cd testrepo && git show-ref -s --verify refs/heads/next) &&
 756         newnext=$ZERO_OID &&
 757         orgseen=$(cd testrepo && git show-ref -s --verify refs/heads/seen) &&
 758         newseen=$(git show-ref -s --verify refs/heads/main) &&
 759         git push testrepo refs/heads/main:refs/heads/main \
 760             refs/heads/main:refs/heads/seen :refs/heads/next \
 761             :refs/heads/nonexistent &&
 762         (
 763                 cd testrepo/.git &&
 764                 cat >pre-receive.expect <<-EOF &&
 765                 $orgmain $newmain refs/heads/main
 766                 $orgnext $newnext refs/heads/next
 767                 $orgseen $newseen refs/heads/seen
 768                 $ZERO_OID $ZERO_OID refs/heads/nonexistent
 769                 EOF
 770
 771                 cat >update.expect <<-EOF &&
 772                 refs/heads/main $orgmain $newmain
 773                 refs/heads/next $orgnext $newnext
 774                 refs/heads/seen $orgseen $newseen
 775                 refs/heads/nonexistent $ZERO_OID $ZERO_OID
 776                 EOF
 777
 778                 cat >post-receive.expect <<-EOF &&
 779                 $orgmain $newmain refs/heads/main
 780                 $orgnext $newnext refs/heads/next
 781                 $orgseen $newseen refs/heads/seen
 782                 EOF
 783
 784                 cat >post-update.expect <<-EOF &&
 785                 refs/heads/main
 786                 refs/heads/next
 787                 refs/heads/seen
 788                 EOF
 789
 790                 test_cmp pre-receive.expect pre-receive.actual &&
 791                 test_cmp update.expect update.actual &&
 792                 test_cmp post-receive.expect post-receive.actual &&
 793                 test_cmp post-update.expect post-update.actual
 794         )
 795 '
 796
 797 test_expect_success 'allow deleting a ref using --delete' '
 798         mk_test testrepo heads/main &&
 799         (cd testrepo && git config receive.denyDeleteCurrent warn) &&
 800         git push testrepo --delete main &&
 801         (cd testrepo && test_must_fail git rev-parse --verify refs/heads/main)
 802 '
 803
 804 test_expect_success 'allow deleting a tag using --delete' '
 805         mk_test testrepo heads/main &&
 806         git tag -a -m dummy_message deltag heads/main &&
 807         git push testrepo --tags &&
 808         (cd testrepo && git rev-parse --verify -q refs/tags/deltag) &&
 809         git push testrepo --delete tag deltag &&
 810         (cd testrepo && test_must_fail git rev-parse --verify refs/tags/deltag)
 811 '
 812
 813 test_expect_success 'push --delete without args aborts' '
 814         mk_test testrepo heads/main &&
 815         test_must_fail git push testrepo --delete
 816 '
 817
 818 test_expect_success 'push --delete refuses src:dest refspecs' '
 819         mk_test testrepo heads/main &&
 820         test_must_fail git push testrepo --delete main:foo
 821 '
 822
 823 test_expect_success 'push --delete refuses empty string' '
 824         mk_test testrepo heads/master &&
 825         test_must_fail git push testrepo --delete ""
 826 '
 827
 828 test_expect_success 'warn on push to HEAD of non-bare repository' '
 829         mk_test testrepo heads/main &&
 830         (
 831                 cd testrepo &&
 832                 git checkout main &&
 833                 git config receive.denyCurrentBranch warn
 834         ) &&
 835         git push testrepo main 2>stderr &&
 836         grep "warning: updating the current branch" stderr
 837 '
 838
 839 test_expect_success 'deny push to HEAD of non-bare repository' '
 840         mk_test testrepo heads/main &&
 841         (
 842                 cd testrepo &&
 843                 git checkout main &&
 844                 git config receive.denyCurrentBranch true
 845         ) &&
 846         test_must_fail git push testrepo main
 847 '
 848
 849 test_expect_success 'allow push to HEAD of bare repository (bare)' '
 850         mk_test testrepo heads/main &&
 851         (
 852                 cd testrepo &&
 853                 git checkout main &&
 854                 git config receive.denyCurrentBranch true &&
 855                 git config core.bare true
 856         ) &&
 857         git push testrepo main 2>stderr &&
 858         ! grep "warning: updating the current branch" stderr
 859 '
 860
 861 test_expect_success 'allow push to HEAD of non-bare repository (config)' '
 862         mk_test testrepo heads/main &&
 863         (
 864                 cd testrepo &&
 865                 git checkout main &&
 866                 git config receive.denyCurrentBranch false
 867         ) &&
 868         git push testrepo main 2>stderr &&
 869         ! grep "warning: updating the current branch" stderr
 870 '
 871
 872 test_expect_success 'fetch with branches' '
 873         mk_empty testrepo &&
 874         git branch second $the_first_commit &&
 875         git checkout second &&
 876         echo ".." > testrepo/.git/branches/branch1 &&
 877         (
 878                 cd testrepo &&
 879                 git fetch branch1 &&
 880                 echo "$the_commit commit        refs/heads/branch1" >expect &&
 881                 git for-each-ref refs/heads >actual &&
 882                 test_cmp expect actual
 883         ) &&
 884         git checkout main
 885 '
 886
 887 test_expect_success 'fetch with branches containing #' '
 888         mk_empty testrepo &&
 889         echo "..#second" > testrepo/.git/branches/branch2 &&
 890         (
 891                 cd testrepo &&
 892                 git fetch branch2 &&
 893                 echo "$the_first_commit commit  refs/heads/branch2" >expect &&
 894                 git for-each-ref refs/heads >actual &&
 895                 test_cmp expect actual
 896         ) &&
 897         git checkout main
 898 '
 899
 900 test_expect_success 'push with branches' '
 901         mk_empty testrepo &&
 902         git checkout second &&
 903         echo "testrepo" > .git/branches/branch1 &&
 904         git push branch1 &&
 905         (
 906                 cd testrepo &&
 907                 echo "$the_first_commit commit  refs/heads/main" >expect &&
 908                 git for-each-ref refs/heads >actual &&
 909                 test_cmp expect actual
 910         )
 911 '
 912
 913 test_expect_success 'push with branches containing #' '
 914         mk_empty testrepo &&
 915         echo "testrepo#branch3" > .git/branches/branch2 &&
 916         git push branch2 &&
 917         (
 918                 cd testrepo &&
 919                 echo "$the_first_commit commit  refs/heads/branch3" >expect &&
 920                 git for-each-ref refs/heads >actual &&
 921                 test_cmp expect actual
 922         ) &&
 923         git checkout main
 924 '
 925
 926 test_expect_success 'push into aliased refs (consistent)' '
 927         mk_test testrepo heads/main &&
 928         mk_child testrepo child1 &&
 929         mk_child testrepo child2 &&
 930         (
 931                 cd child1 &&
 932                 git branch foo &&
 933                 git symbolic-ref refs/heads/bar refs/heads/foo &&
 934                 git config receive.denyCurrentBranch false
 935         ) &&
 936         (
 937                 cd child2 &&
 938                 >path2 &&
 939                 git add path2 &&
 940                 test_tick &&
 941                 git commit -a -m child2 &&
 942                 git branch foo &&
 943                 git branch bar &&
 944                 git push ../child1 foo bar
 945         )
 946 '
 947
 948 test_expect_success 'push into aliased refs (inconsistent)' '
 949         mk_test testrepo heads/main &&
 950         mk_child testrepo child1 &&
 951         mk_child testrepo child2 &&
 952         (
 953                 cd child1 &&
 954                 git branch foo &&
 955                 git symbolic-ref refs/heads/bar refs/heads/foo &&
 956                 git config receive.denyCurrentBranch false
 957         ) &&
 958         (
 959                 cd child2 &&
 960                 >path2 &&
 961                 git add path2 &&
 962                 test_tick &&
 963                 git commit -a -m child2 &&
 964                 git branch foo &&
 965                 >path3 &&
 966                 git add path3 &&
 967                 test_tick &&
 968                 git commit -a -m child2 &&
 969                 git branch bar &&
 970                 test_must_fail git push ../child1 foo bar 2>stderr &&
 971                 grep "refusing inconsistent update" stderr
 972         )
 973 '
 974
 975 test_force_push_tag () {
 976         tag_type_description=$1
 977         tag_args=$2
 978
 979         test_expect_success "force pushing required to update $tag_type_description" "
 980                 mk_test testrepo heads/main &&
 981                 mk_child testrepo child1 &&
 982                 mk_child testrepo child2 &&
 983                 (
 984                         cd child1 &&
 985                         git tag testTag &&
 986                         git push ../child2 testTag &&
 987                         >file1 &&
 988                         git add file1 &&
 989                         git commit -m 'file1' &&
 990                         git tag $tag_args testTag &&
 991                         test_must_fail git push ../child2 testTag &&
 992                         git push --force ../child2 testTag &&
 993                         git tag $tag_args testTag HEAD~ &&
 994                         test_must_fail git push ../child2 testTag &&
 995                         git push --force ../child2 testTag &&
 996
 997                         # Clobbering without + in refspec needs --force
 998                         git tag -f testTag &&
 999                         test_must_fail git push ../child2 'refs/tags/*:refs/tags/*' &&
1000                         git push --force ../child2 'refs/tags/*:refs/tags/*' &&
1001
1002                         # Clobbering with + in refspec does not need --force
1003                         git tag -f testTag HEAD~ &&
1004                         git push ../child2 '+refs/tags/*:refs/tags/*' &&
1005
1006                         # Clobbering with --no-force still obeys + in refspec
1007                         git tag -f testTag &&
1008                         git push --no-force ../child2 '+refs/tags/*:refs/tags/*' &&
1009
1010                         # Clobbering with/without --force and 'tag <name>' format
1011                         git tag -f testTag HEAD~ &&
1012                         test_must_fail git push ../child2 tag testTag &&
1013                         git push --force ../child2 tag testTag
1014                 )
1015         "
1016 }
1017
1018 test_force_push_tag "lightweight tag" "-f"
1019 test_force_push_tag "annotated tag" "-f -a -m'tag message'"
1020
1021 test_force_fetch_tag () {
1022         tag_type_description=$1
1023         tag_args=$2
1024
1025         test_expect_success "fetch will not clobber an existing $tag_type_description without --force" "
1026                 mk_test testrepo heads/main &&
1027                 mk_child testrepo child1 &&
1028                 mk_child testrepo child2 &&
1029                 (
1030                         cd testrepo &&
1031                         git tag testTag &&
1032                         git -C ../child1 fetch origin tag testTag &&
1033                         >file1 &&
1034                         git add file1 &&
1035                         git commit -m 'file1' &&
1036                         git tag $tag_args testTag &&
1037                         test_must_fail git -C ../child1 fetch origin tag testTag &&
1038                         git -C ../child1 fetch origin '+refs/tags/*:refs/tags/*'
1039                 )
1040         "
1041 }
1042
1043 test_force_fetch_tag "lightweight tag" "-f"
1044 test_force_fetch_tag "annotated tag" "-f -a -m'tag message'"
1045
1046 test_expect_success 'push --porcelain' '
1047         mk_empty testrepo &&
1048         echo >.git/foo  "To testrepo" &&
1049         echo >>.git/foo "*      refs/heads/main:refs/remotes/origin/main        [new reference]"  &&
1050         echo >>.git/foo "Done" &&
1051         git push >.git/bar --porcelain  testrepo refs/heads/main:refs/remotes/origin/main &&
1052         (
1053                 cd testrepo &&
1054                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
1055                 git for-each-ref refs/remotes/origin >actual &&
1056                 test_cmp expect actual
1057         ) &&
1058         test_cmp .git/foo .git/bar
1059 '
1060
1061 test_expect_success 'push --porcelain bad url' '
1062         mk_empty testrepo &&
1063         test_must_fail git push >.git/bar --porcelain asdfasdfasd refs/heads/main:refs/remotes/origin/main &&
1064         ! grep -q Done .git/bar
1065 '
1066
1067 test_expect_success 'push --porcelain rejected' '
1068         mk_empty testrepo &&
1069         git push testrepo refs/heads/main:refs/remotes/origin/main &&
1070         (cd testrepo &&
1071                 git reset --hard origin/main^ &&
1072                 git config receive.denyCurrentBranch true) &&
1073
1074         echo >.git/foo  "To testrepo"  &&
1075         echo >>.git/foo "!      refs/heads/main:refs/heads/main [remote rejected] (branch is currently checked out)" &&
1076         echo >>.git/foo "Done" &&
1077
1078         test_must_fail git push >.git/bar --porcelain  testrepo refs/heads/main:refs/heads/main &&
1079         test_cmp .git/foo .git/bar
1080 '
1081
1082 test_expect_success 'push --porcelain --dry-run rejected' '
1083         mk_empty testrepo &&
1084         git push testrepo refs/heads/main:refs/remotes/origin/main &&
1085         (cd testrepo &&
1086                 git reset --hard origin/main &&
1087                 git config receive.denyCurrentBranch true) &&
1088
1089         echo >.git/foo  "To testrepo"  &&
1090         echo >>.git/foo "!      refs/heads/main^:refs/heads/main        [rejected] (non-fast-forward)" &&
1091         echo >>.git/foo "Done" &&
1092
1093         test_must_fail git push >.git/bar --porcelain  --dry-run testrepo refs/heads/main^:refs/heads/main &&
1094         test_cmp .git/foo .git/bar
1095 '
1096
1097 test_expect_success 'push --prune' '
1098         mk_test testrepo heads/main heads/second heads/foo heads/bar &&
1099         git push --prune testrepo : &&
1100         check_push_result testrepo $the_commit heads/main &&
1101         check_push_result testrepo $the_first_commit heads/second &&
1102         ! check_push_result testrepo $the_first_commit heads/foo heads/bar
1103 '
1104
1105 test_expect_success 'push --prune refspec' '
1106         mk_test testrepo tmp/main tmp/second tmp/foo tmp/bar &&
1107         git push --prune testrepo "refs/heads/*:refs/tmp/*" &&
1108         check_push_result testrepo $the_commit tmp/main &&
1109         check_push_result testrepo $the_first_commit tmp/second &&
1110         ! check_push_result testrepo $the_first_commit tmp/foo tmp/bar
1111 '
1112
1113 for configsection in transfer receive
1114 do
1115         test_expect_success "push to update a ref hidden by $configsection.hiderefs" '
1116                 mk_test testrepo heads/main hidden/one hidden/two hidden/three &&
1117                 (
1118                         cd testrepo &&
1119                         git config $configsection.hiderefs refs/hidden
1120                 ) &&
1121
1122                 # push to unhidden ref succeeds normally
1123                 git push testrepo main:refs/heads/main &&
1124                 check_push_result testrepo $the_commit heads/main &&
1125
1126                 # push to update a hidden ref should fail
1127                 test_must_fail git push testrepo main:refs/hidden/one &&
1128                 check_push_result testrepo $the_first_commit hidden/one &&
1129
1130                 # push to delete a hidden ref should fail
1131                 test_must_fail git push testrepo :refs/hidden/two &&
1132                 check_push_result testrepo $the_first_commit hidden/two &&
1133
1134                 # idempotent push to update a hidden ref should fail
1135                 test_must_fail git push testrepo $the_first_commit:refs/hidden/three &&
1136                 check_push_result testrepo $the_first_commit hidden/three
1137         '
1138 done
1139
1140 test_expect_success 'fetch exact SHA1' '
1141         mk_test testrepo heads/main hidden/one &&
1142         git push testrepo main:refs/hidden/one &&
1143         (
1144                 cd testrepo &&
1145                 git config transfer.hiderefs refs/hidden
1146         ) &&
1147         check_push_result testrepo $the_commit hidden/one &&
1148
1149         mk_child testrepo child &&
1150         (
1151                 cd child &&
1152
1153                 # make sure $the_commit does not exist here
1154                 git repack -a -d &&
1155                 git prune &&
1156                 test_must_fail git cat-file -t $the_commit &&
1157
1158                 # Some protocol versions (e.g. 2) support fetching
1159                 # unadvertised objects, so restrict this test to v0.
1160
1161                 # fetching the hidden object should fail by default
1162                 test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1163                         git fetch -v ../testrepo $the_commit:refs/heads/copy 2>err &&
1164                 test_i18ngrep "Server does not allow request for unadvertised object" err &&
1165                 test_must_fail git rev-parse --verify refs/heads/copy &&
1166
1167                 # the server side can allow it to succeed
1168                 (
1169                         cd ../testrepo &&
1170                         git config uploadpack.allowtipsha1inwant true
1171                 ) &&
1172
1173                 git fetch -v ../testrepo $the_commit:refs/heads/copy main:refs/heads/extra &&
1174                 cat >expect <<-EOF &&
1175                 $the_commit
1176                 $the_first_commit
1177                 EOF
1178                 {
1179                         git rev-parse --verify refs/heads/copy &&
1180                         git rev-parse --verify refs/heads/extra
1181                 } >actual &&
1182                 test_cmp expect actual
1183         )
1184 '
1185
1186 test_expect_success 'fetch exact SHA1 in protocol v2' '
1187         mk_test testrepo heads/main hidden/one &&
1188         git push testrepo main:refs/hidden/one &&
1189         git -C testrepo config transfer.hiderefs refs/hidden &&
1190         check_push_result testrepo $the_commit hidden/one &&
1191
1192         mk_child testrepo child &&
1193         git -C child config protocol.version 2 &&
1194
1195         # make sure $the_commit does not exist here
1196         git -C child repack -a -d &&
1197         git -C child prune &&
1198         test_must_fail git -C child cat-file -t $the_commit &&
1199
1200         # fetching the hidden object succeeds by default
1201         # NEEDSWORK: should this match the v0 behavior instead?
1202         git -C child fetch -v ../testrepo $the_commit:refs/heads/copy
1203 '
1204
1205 for configallowtipsha1inwant in true false
1206 do
1207         test_expect_success "shallow fetch reachable SHA1 (but not a ref), allowtipsha1inwant=$configallowtipsha1inwant" '
1208                 mk_empty testrepo &&
1209                 (
1210                         cd testrepo &&
1211                         git config uploadpack.allowtipsha1inwant $configallowtipsha1inwant &&
1212                         git commit --allow-empty -m foo &&
1213                         git commit --allow-empty -m bar
1214                 ) &&
1215                 SHA1=$(git --git-dir=testrepo/.git rev-parse HEAD^) &&
1216                 mk_empty shallow &&
1217                 (
1218                         cd shallow &&
1219                         # Some protocol versions (e.g. 2) support fetching
1220                         # unadvertised objects, so restrict this test to v0.
1221                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1222                                 git fetch --depth=1 ../testrepo/.git $SHA1 &&
1223                         git --git-dir=../testrepo/.git config uploadpack.allowreachablesha1inwant true &&
1224                         git fetch --depth=1 ../testrepo/.git $SHA1 &&
1225                         git cat-file commit $SHA1
1226                 )
1227         '
1228
1229         test_expect_success "deny fetch unreachable SHA1, allowtipsha1inwant=$configallowtipsha1inwant" '
1230                 mk_empty testrepo &&
1231                 (
1232                         cd testrepo &&
1233                         git config uploadpack.allowtipsha1inwant $configallowtipsha1inwant &&
1234                         git commit --allow-empty -m foo &&
1235                         git commit --allow-empty -m bar &&
1236                         git commit --allow-empty -m xyz
1237                 ) &&
1238                 SHA1_1=$(git --git-dir=testrepo/.git rev-parse HEAD^^) &&
1239                 SHA1_2=$(git --git-dir=testrepo/.git rev-parse HEAD^) &&
1240                 SHA1_3=$(git --git-dir=testrepo/.git rev-parse HEAD) &&
1241                 (
1242                         cd testrepo &&
1243                         git reset --hard $SHA1_2 &&
1244                         git cat-file commit $SHA1_1 &&
1245                         git cat-file commit $SHA1_3
1246                 ) &&
1247                 mk_empty shallow &&
1248                 (
1249                         cd shallow &&
1250                         # Some protocol versions (e.g. 2) support fetching
1251                         # unadvertised objects, so restrict this test to v0.
1252                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1253                                 git fetch ../testrepo/.git $SHA1_3 &&
1254                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1255                                 git fetch ../testrepo/.git $SHA1_1 &&
1256                         git --git-dir=../testrepo/.git config uploadpack.allowreachablesha1inwant true &&
1257                         git fetch ../testrepo/.git $SHA1_1 &&
1258                         git cat-file commit $SHA1_1 &&
1259                         test_must_fail git cat-file commit $SHA1_2 &&
1260                         git fetch ../testrepo/.git $SHA1_2 &&
1261                         git cat-file commit $SHA1_2 &&
1262                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1263                                 git fetch ../testrepo/.git $SHA1_3 2>err &&
1264                         # ideally we would insist this be on a "remote error:"
1265                         # line, but it is racy; see the commit message
1266                         test_i18ngrep "not our ref.*$SHA1_3\$" err
1267                 )
1268         '
1269 done
1270
1271 test_expect_success 'fetch follows tags by default' '
1272         mk_test testrepo heads/main &&
1273         rm -fr src dst &&
1274         git init src &&
1275         (
1276                 cd src &&
1277                 git pull ../testrepo main &&
1278                 git tag -m "annotated" tag &&
1279                 git for-each-ref >tmp1 &&
1280                 (
1281                         cat tmp1
1282                         sed -n "s|refs/heads/main$|refs/remotes/origin/main|p" tmp1
1283                 ) |
1284                 sort -k 3 >../expect
1285         ) &&
1286         git init dst &&
1287         (
1288                 cd dst &&
1289                 git remote add origin ../src &&
1290                 git config branch.main.remote origin &&
1291                 git config branch.main.merge refs/heads/main &&
1292                 git pull &&
1293                 git for-each-ref >../actual
1294         ) &&
1295         test_cmp expect actual
1296 '
1297
1298 test_expect_success 'peeled advertisements are not considered ref tips' '
1299         mk_empty testrepo &&
1300         git -C testrepo commit --allow-empty -m one &&
1301         git -C testrepo commit --allow-empty -m two &&
1302         git -C testrepo tag -m foo mytag HEAD^ &&
1303         oid=$(git -C testrepo rev-parse mytag^{commit}) &&
1304         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1305                 git fetch testrepo $oid 2>err &&
1306         test_i18ngrep "Server does not allow request for unadvertised object" err
1307 '
1308
1309 test_expect_success 'pushing a specific ref applies remote.$name.push as refmap' '
1310         mk_test testrepo heads/main &&
1311         rm -fr src dst &&
1312         git init src &&
1313         git init --bare dst &&
1314         (
1315                 cd src &&
1316                 git pull ../testrepo main &&
1317                 git branch next &&
1318                 git config remote.dst.url ../dst &&
1319                 git config remote.dst.push "+refs/heads/*:refs/remotes/src/*" &&
1320                 git push dst main &&
1321                 git show-ref refs/heads/main |
1322                 sed -e "s|refs/heads/|refs/remotes/src/|" >../dst/expect
1323         ) &&
1324         (
1325                 cd dst &&
1326                 test_must_fail git show-ref refs/heads/next &&
1327                 test_must_fail git show-ref refs/heads/main &&
1328                 git show-ref refs/remotes/src/main >actual
1329         ) &&
1330         test_cmp dst/expect dst/actual
1331 '
1332
1333 test_expect_success 'with no remote.$name.push, it is not used as refmap' '
1334         mk_test testrepo heads/main &&
1335         rm -fr src dst &&
1336         git init src &&
1337         git init --bare dst &&
1338         (
1339                 cd src &&
1340                 git pull ../testrepo main &&
1341                 git branch next &&
1342                 git config remote.dst.url ../dst &&
1343                 git config push.default matching &&
1344                 git push dst main &&
1345                 git show-ref refs/heads/main >../dst/expect
1346         ) &&
1347         (
1348                 cd dst &&
1349                 test_must_fail git show-ref refs/heads/next &&
1350                 git show-ref refs/heads/main >actual
1351         ) &&
1352         test_cmp dst/expect dst/actual
1353 '
1354
1355 test_expect_success 'with no remote.$name.push, upstream mapping is used' '
1356         mk_test testrepo heads/main &&
1357         rm -fr src dst &&
1358         git init src &&
1359         git init --bare dst &&
1360         (
1361                 cd src &&
1362                 git pull ../testrepo main &&
1363                 git branch next &&
1364                 git config remote.dst.url ../dst &&
1365                 git config remote.dst.fetch "+refs/heads/*:refs/remotes/dst/*" &&
1366                 git config push.default upstream &&
1367
1368                 git config branch.main.merge refs/heads/trunk &&
1369                 git config branch.main.remote dst &&
1370
1371                 git push dst main &&
1372                 git show-ref refs/heads/main |
1373                 sed -e "s|refs/heads/main|refs/heads/trunk|" >../dst/expect
1374         ) &&
1375         (
1376                 cd dst &&
1377                 test_must_fail git show-ref refs/heads/main &&
1378                 test_must_fail git show-ref refs/heads/next &&
1379                 git show-ref refs/heads/trunk >actual
1380         ) &&
1381         test_cmp dst/expect dst/actual
1382 '
1383
1384 test_expect_success 'push does not follow tags by default' '
1385         mk_test testrepo heads/main &&
1386         rm -fr src dst &&
1387         git init src &&
1388         git init --bare dst &&
1389         (
1390                 cd src &&
1391                 git pull ../testrepo main &&
1392                 git tag -m "annotated" tag &&
1393                 git checkout -b another &&
1394                 git commit --allow-empty -m "future commit" &&
1395                 git tag -m "future" future &&
1396                 git checkout main &&
1397                 git for-each-ref refs/heads/main >../expect &&
1398                 git push ../dst main
1399         ) &&
1400         (
1401                 cd dst &&
1402                 git for-each-ref >../actual
1403         ) &&
1404         test_cmp expect actual
1405 '
1406
1407 test_expect_success 'push --follow-tags only pushes relevant tags' '
1408         mk_test testrepo heads/main &&
1409         rm -fr src dst &&
1410         git init src &&
1411         git init --bare dst &&
1412         (
1413                 cd src &&
1414                 git pull ../testrepo main &&
1415                 git tag -m "annotated" tag &&
1416                 git checkout -b another &&
1417                 git commit --allow-empty -m "future commit" &&
1418                 git tag -m "future" future &&
1419                 git checkout main &&
1420                 git for-each-ref refs/heads/main refs/tags/tag >../expect &&
1421                 git push --follow-tags ../dst main
1422         ) &&
1423         (
1424                 cd dst &&
1425                 git for-each-ref >../actual
1426         ) &&
1427         test_cmp expect actual
1428 '
1429
1430 test_expect_success 'push --no-thin must produce non-thin pack' '
1431         cat >>path1 <<\EOF &&
1432 keep base version of path1 big enough, compared to the new changes
1433 later, in order to pass size heuristics in
1434 builtin/pack-objects.c:try_delta()
1435 EOF
1436         git commit -am initial &&
1437         git init no-thin &&
1438         git --git-dir=no-thin/.git config receive.unpacklimit 0 &&
1439         git push no-thin/.git refs/heads/main:refs/heads/foo &&
1440         echo modified >> path1 &&
1441         git commit -am modified &&
1442         git repack -adf &&
1443         rcvpck="git receive-pack --reject-thin-pack-for-testing" &&
1444         git push --no-thin --receive-pack="$rcvpck" no-thin/.git refs/heads/main:refs/heads/foo
1445 '
1446
1447 test_expect_success 'pushing a tag pushes the tagged object' '
1448         rm -rf dst.git &&
1449         blob=$(echo unreferenced | git hash-object -w --stdin) &&
1450         git tag -m foo tag-of-blob $blob &&
1451         git init --bare dst.git &&
1452         git push dst.git tag-of-blob &&
1453         # the receiving index-pack should have noticed
1454         # any problems, but we double check
1455         echo unreferenced >expect &&
1456         git --git-dir=dst.git cat-file blob tag-of-blob >actual &&
1457         test_cmp expect actual
1458 '
1459
1460 test_expect_success 'push into bare respects core.logallrefupdates' '
1461         rm -rf dst.git &&
1462         git init --bare dst.git &&
1463         git -C dst.git config core.logallrefupdates true &&
1464
1465         # double push to test both with and without
1466         # the actual pack transfer
1467         git push dst.git main:one &&
1468         echo "one@{0} push" >expect &&
1469         git -C dst.git log -g --format="%gd %gs" one >actual &&
1470         test_cmp expect actual &&
1471
1472         git push dst.git main:two &&
1473         echo "two@{0} push" >expect &&
1474         git -C dst.git log -g --format="%gd %gs" two >actual &&
1475         test_cmp expect actual
1476 '
1477
1478 test_expect_success 'fetch into bare respects core.logallrefupdates' '
1479         rm -rf dst.git &&
1480         git init --bare dst.git &&
1481         (
1482                 cd dst.git &&
1483                 git config core.logallrefupdates true &&
1484
1485                 # as above, we double-fetch to test both
1486                 # with and without pack transfer
1487                 git fetch .. main:one &&
1488                 echo "one@{0} fetch .. main:one: storing head" >expect &&
1489                 git log -g --format="%gd %gs" one >actual &&
1490                 test_cmp expect actual &&
1491
1492                 git fetch .. main:two &&
1493                 echo "two@{0} fetch .. main:two: storing head" >expect &&
1494                 git log -g --format="%gd %gs" two >actual &&
1495                 test_cmp expect actual
1496         )
1497 '
1498
1499 test_expect_success 'receive.denyCurrentBranch = updateInstead' '
1500         git push testrepo main &&
1501         (
1502                 cd testrepo &&
1503                 git reset --hard &&
1504                 git config receive.denyCurrentBranch updateInstead
1505         ) &&
1506         test_commit third path2 &&
1507
1508         # Try pushing into a repository with pristine working tree
1509         git push testrepo main &&
1510         (
1511                 cd testrepo &&
1512                 git update-index -q --refresh &&
1513                 git diff-files --quiet -- &&
1514                 git diff-index --quiet --cached HEAD -- &&
1515                 test third = "$(cat path2)" &&
1516                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1517         ) &&
1518
1519         # Try pushing into a repository with working tree needing a refresh
1520         (
1521                 cd testrepo &&
1522                 git reset --hard HEAD^ &&
1523                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1524                 test-tool chmtime +100 path1
1525         ) &&
1526         git push testrepo main &&
1527         (
1528                 cd testrepo &&
1529                 git update-index -q --refresh &&
1530                 git diff-files --quiet -- &&
1531                 git diff-index --quiet --cached HEAD -- &&
1532                 test_cmp ../path1 path1 &&
1533                 test third = "$(cat path2)" &&
1534                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1535         ) &&
1536
1537         # Update what is to be pushed
1538         test_commit fourth path2 &&
1539
1540         # Try pushing into a repository with a dirty working tree
1541         # (1) the working tree updated
1542         (
1543                 cd testrepo &&
1544                 echo changed >path1
1545         ) &&
1546         test_must_fail git push testrepo main &&
1547         (
1548                 cd testrepo &&
1549                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1550                 git diff --quiet --cached &&
1551                 test changed = "$(cat path1)"
1552         ) &&
1553
1554         # (2) the index updated
1555         (
1556                 cd testrepo &&
1557                 echo changed >path1 &&
1558                 git add path1
1559         ) &&
1560         test_must_fail git push testrepo main &&
1561         (
1562                 cd testrepo &&
1563                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1564                 git diff --quiet &&
1565                 test changed = "$(cat path1)"
1566         ) &&
1567
1568         # Introduce a new file in the update
1569         test_commit fifth path3 &&
1570
1571         # (3) the working tree has an untracked file that would interfere
1572         (
1573                 cd testrepo &&
1574                 git reset --hard &&
1575                 echo changed >path3
1576         ) &&
1577         test_must_fail git push testrepo main &&
1578         (
1579                 cd testrepo &&
1580                 test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
1581                 git diff --quiet &&
1582                 git diff --quiet --cached &&
1583                 test changed = "$(cat path3)"
1584         ) &&
1585
1586         # (4) the target changes to what gets pushed but it still is a change
1587         (
1588                 cd testrepo &&
1589                 git reset --hard &&
1590                 echo fifth >path3 &&
1591                 git add path3
1592         ) &&
1593         test_must_fail git push testrepo main &&
1594         (
1595                 cd testrepo &&
1596                 test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
1597                 git diff --quiet &&
1598                 test fifth = "$(cat path3)"
1599         ) &&
1600
1601         # (5) push into void
1602         rm -fr void &&
1603         git init void &&
1604         (
1605                 cd void &&
1606                 git config receive.denyCurrentBranch updateInstead
1607         ) &&
1608         git push void main &&
1609         (
1610                 cd void &&
1611                 test $(git -C .. rev-parse main) = $(git rev-parse HEAD) &&
1612                 git diff --quiet &&
1613                 git diff --cached --quiet
1614         ) &&
1615
1616         # (6) updateInstead intervened by fast-forward check
1617         test_must_fail git push void main^:main &&
1618         test $(git -C void rev-parse HEAD) = $(git rev-parse main) &&
1619         git -C void diff --quiet &&
1620         git -C void diff --cached --quiet
1621 '
1622
1623 test_expect_success 'updateInstead with push-to-checkout hook' '
1624         rm -fr testrepo &&
1625         git init testrepo &&
1626         (
1627                 cd testrepo &&
1628                 git pull .. main &&
1629                 git reset --hard HEAD^^ &&
1630                 git tag initial &&
1631                 git config receive.denyCurrentBranch updateInstead &&
1632                 write_script .git/hooks/push-to-checkout <<-\EOF
1633                 echo >&2 updating from $(git rev-parse HEAD)
1634                 echo >&2 updating to "$1"
1635
1636                 git update-index -q --refresh &&
1637                 git read-tree -u -m HEAD "$1" || {
1638                         status=$?
1639                         echo >&2 read-tree failed
1640                         exit $status
1641                 }
1642                 EOF
1643         ) &&
1644
1645         # Try pushing into a pristine
1646         git push testrepo main &&
1647         (
1648                 cd testrepo &&
1649                 git diff --quiet &&
1650                 git diff HEAD --quiet &&
1651                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1652         ) &&
1653
1654         # Try pushing into a repository with conflicting change
1655         (
1656                 cd testrepo &&
1657                 git reset --hard initial &&
1658                 echo conflicting >path2
1659         ) &&
1660         test_must_fail git push testrepo main &&
1661         (
1662                 cd testrepo &&
1663                 test $(git rev-parse initial) = $(git rev-parse HEAD) &&
1664                 test conflicting = "$(cat path2)" &&
1665                 git diff-index --quiet --cached HEAD
1666         ) &&
1667
1668         # Try pushing into a repository with unrelated change
1669         (
1670                 cd testrepo &&
1671                 git reset --hard initial &&
1672                 echo unrelated >path1 &&
1673                 echo irrelevant >path5 &&
1674                 git add path5
1675         ) &&
1676         git push testrepo main &&
1677         (
1678                 cd testrepo &&
1679                 test "$(cat path1)" = unrelated &&
1680                 test "$(cat path5)" = irrelevant &&
1681                 test "$(git diff --name-only --cached HEAD)" = path5 &&
1682                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1683         ) &&
1684
1685         # push into void
1686         rm -fr void &&
1687         git init void &&
1688         (
1689                 cd void &&
1690                 git config receive.denyCurrentBranch updateInstead &&
1691                 write_script .git/hooks/push-to-checkout <<-\EOF
1692                 if git rev-parse --quiet --verify HEAD
1693                 then
1694                         has_head=yes
1695                         echo >&2 updating from $(git rev-parse HEAD)
1696                 else
1697                         has_head=no
1698                         echo >&2 pushing into void
1699                 fi
1700                 echo >&2 updating to "$1"
1701
1702                 git update-index -q --refresh &&
1703                 case "$has_head" in
1704                 yes)
1705                         git read-tree -u -m HEAD "$1" ;;
1706                 no)
1707                         git read-tree -u -m "$1" ;;
1708                 esac || {
1709                         status=$?
1710                         echo >&2 read-tree failed
1711                         exit $status
1712                 }
1713                 EOF
1714         ) &&
1715
1716         git push void main &&
1717         (
1718                 cd void &&
1719                 git diff --quiet &&
1720                 git diff --cached --quiet &&
1721                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1722         )
1723 '
1724
1725 test_expect_success 'denyCurrentBranch and worktrees' '
1726         git worktree add new-wt &&
1727         git clone . cloned &&
1728         test_commit -C cloned first &&
1729         test_config receive.denyCurrentBranch refuse &&
1730         test_must_fail git -C cloned push origin HEAD:new-wt &&
1731         test_config receive.denyCurrentBranch updateInstead &&
1732         git -C cloned push origin HEAD:new-wt &&
1733         test_must_fail git -C cloned push --delete origin new-wt
1734 '
1735
1736 test_done