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 grep_wrote () {
 195         object_count=$1
 196         file_name=$2
 197         grep 'write_pack_file/wrote.*"value":"'$1'"' $2
 198 }
 199
 200 test_expect_success 'push with negotiation' '
 201         # Without negotiation
 202         mk_empty testrepo &&
 203         git push testrepo $the_first_commit:refs/remotes/origin/first_commit &&
 204         test_commit -C testrepo unrelated_commit &&
 205         git -C testrepo config receive.hideRefs refs/remotes/origin/first_commit &&
 206         echo now pushing without negotiation &&
 207         GIT_TRACE2_EVENT="$(pwd)/event" git -c protocol.version=2 push testrepo refs/heads/main:refs/remotes/origin/main &&
 208         grep_wrote 5 event && # 2 commits, 2 trees, 1 blob
 209
 210         # Same commands, but with negotiation
 211         rm event &&
 212         mk_empty testrepo &&
 213         git push testrepo $the_first_commit:refs/remotes/origin/first_commit &&
 214         test_commit -C testrepo unrelated_commit &&
 215         git -C testrepo config receive.hideRefs refs/remotes/origin/first_commit &&
 216         GIT_TRACE2_EVENT="$(pwd)/event" git -c protocol.version=2 -c push.negotiate=1 push testrepo refs/heads/main:refs/remotes/origin/main &&
 217         grep_wrote 2 event # 1 commit, 1 tree
 218 '
 219
 220 test_expect_success 'push with negotiation proceeds anyway even if negotiation fails' '
 221         rm event &&
 222         mk_empty testrepo &&
 223         git push testrepo $the_first_commit:refs/remotes/origin/first_commit &&
 224         test_commit -C testrepo unrelated_commit &&
 225         git -C testrepo config receive.hideRefs refs/remotes/origin/first_commit &&
 226         GIT_TEST_PROTOCOL_VERSION=0 GIT_TRACE2_EVENT="$(pwd)/event" \
 227                 git -c push.negotiate=1 push testrepo refs/heads/main:refs/remotes/origin/main 2>err &&
 228         grep_wrote 5 event && # 2 commits, 2 trees, 1 blob
 229         test_i18ngrep "push negotiation failed" err
 230 '
 231
 232 test_expect_success 'push without wildcard' '
 233         mk_empty testrepo &&
 234
 235         git push testrepo refs/heads/main:refs/remotes/origin/main &&
 236         (
 237                 cd testrepo &&
 238                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 239                 git for-each-ref refs/remotes/origin >actual &&
 240                 test_cmp expect actual
 241         )
 242 '
 243
 244 test_expect_success 'push with wildcard' '
 245         mk_empty testrepo &&
 246
 247         git push testrepo "refs/heads/*:refs/remotes/origin/*" &&
 248         (
 249                 cd testrepo &&
 250                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 251                 git for-each-ref refs/remotes/origin >actual &&
 252                 test_cmp expect actual
 253         )
 254 '
 255
 256 test_expect_success 'push with insteadOf' '
 257         mk_empty testrepo &&
 258         TRASH="$(pwd)/" &&
 259         test_config "url.$TRASH.insteadOf" trash/ &&
 260         git push trash/testrepo refs/heads/main:refs/remotes/origin/main &&
 261         (
 262                 cd testrepo &&
 263                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 264                 git for-each-ref refs/remotes/origin >actual &&
 265                 test_cmp expect actual
 266         )
 267 '
 268
 269 test_expect_success 'push with pushInsteadOf' '
 270         mk_empty testrepo &&
 271         TRASH="$(pwd)/" &&
 272         test_config "url.$TRASH.pushInsteadOf" trash/ &&
 273         git push trash/testrepo refs/heads/main:refs/remotes/origin/main &&
 274         (
 275                 cd testrepo &&
 276                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 277                 git for-each-ref refs/remotes/origin >actual &&
 278                 test_cmp expect actual
 279         )
 280 '
 281
 282 test_expect_success 'push with pushInsteadOf and explicit pushurl (pushInsteadOf should not rewrite)' '
 283         mk_empty testrepo &&
 284         test_config "url.trash2/.pushInsteadOf" testrepo/ &&
 285         test_config "url.trash3/.pushInsteadOf" trash/wrong &&
 286         test_config remote.r.url trash/wrong &&
 287         test_config remote.r.pushurl "testrepo/" &&
 288         git push r refs/heads/main:refs/remotes/origin/main &&
 289         (
 290                 cd testrepo &&
 291                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
 292                 git for-each-ref refs/remotes/origin >actual &&
 293                 test_cmp expect actual
 294         )
 295 '
 296
 297 test_expect_success 'push with matching heads' '
 298
 299         mk_test testrepo heads/main &&
 300         git push testrepo : &&
 301         check_push_result testrepo $the_commit heads/main
 302
 303 '
 304
 305 test_expect_success 'push with matching heads on the command line' '
 306
 307         mk_test testrepo heads/main &&
 308         git push testrepo : &&
 309         check_push_result testrepo $the_commit heads/main
 310
 311 '
 312
 313 test_expect_success 'failed (non-fast-forward) push with matching heads' '
 314
 315         mk_test testrepo heads/main &&
 316         git push testrepo : &&
 317         git commit --amend -massaged &&
 318         test_must_fail git push testrepo &&
 319         check_push_result testrepo $the_commit heads/main &&
 320         git reset --hard $the_commit
 321
 322 '
 323
 324 test_expect_success 'push --force with matching heads' '
 325
 326         mk_test testrepo heads/main &&
 327         git push testrepo : &&
 328         git commit --amend -massaged &&
 329         git push --force testrepo : &&
 330         ! check_push_result testrepo $the_commit heads/main &&
 331         git reset --hard $the_commit
 332
 333 '
 334
 335 test_expect_success 'push with matching heads and forced update' '
 336
 337         mk_test testrepo heads/main &&
 338         git push testrepo : &&
 339         git commit --amend -massaged &&
 340         git push testrepo +: &&
 341         ! check_push_result testrepo $the_commit heads/main &&
 342         git reset --hard $the_commit
 343
 344 '
 345
 346 test_expect_success 'push with no ambiguity (1)' '
 347
 348         mk_test testrepo heads/main &&
 349         git push testrepo main:main &&
 350         check_push_result testrepo $the_commit heads/main
 351
 352 '
 353
 354 test_expect_success 'push with no ambiguity (2)' '
 355
 356         mk_test testrepo remotes/origin/main &&
 357         git push testrepo main:origin/main &&
 358         check_push_result testrepo $the_commit remotes/origin/main
 359
 360 '
 361
 362 test_expect_success 'push with colon-less refspec, no ambiguity' '
 363
 364         mk_test testrepo heads/main heads/t/main &&
 365         git branch -f t/main main &&
 366         git push testrepo main &&
 367         check_push_result testrepo $the_commit heads/main &&
 368         check_push_result testrepo $the_first_commit heads/t/main
 369
 370 '
 371
 372 test_expect_success 'push with weak ambiguity (1)' '
 373
 374         mk_test testrepo heads/main remotes/origin/main &&
 375         git push testrepo main:main &&
 376         check_push_result testrepo $the_commit heads/main &&
 377         check_push_result testrepo $the_first_commit remotes/origin/main
 378
 379 '
 380
 381 test_expect_success 'push with weak ambiguity (2)' '
 382
 383         mk_test testrepo heads/main remotes/origin/main remotes/another/main &&
 384         git push testrepo main:main &&
 385         check_push_result testrepo $the_commit heads/main &&
 386         check_push_result testrepo $the_first_commit remotes/origin/main remotes/another/main
 387
 388 '
 389
 390 test_expect_success 'push with ambiguity' '
 391
 392         mk_test testrepo heads/frotz tags/frotz &&
 393         test_must_fail git push testrepo main:frotz &&
 394         check_push_result testrepo $the_first_commit heads/frotz tags/frotz
 395
 396 '
 397
 398 test_expect_success 'push with colon-less refspec (1)' '
 399
 400         mk_test testrepo heads/frotz tags/frotz &&
 401         git branch -f frotz main &&
 402         git push testrepo frotz &&
 403         check_push_result testrepo $the_commit heads/frotz &&
 404         check_push_result testrepo $the_first_commit tags/frotz
 405
 406 '
 407
 408 test_expect_success 'push with colon-less refspec (2)' '
 409
 410         mk_test testrepo heads/frotz tags/frotz &&
 411         if git show-ref --verify -q refs/heads/frotz
 412         then
 413                 git branch -D frotz
 414         fi &&
 415         git tag -f frotz &&
 416         git push -f testrepo frotz &&
 417         check_push_result testrepo $the_commit tags/frotz &&
 418         check_push_result testrepo $the_first_commit heads/frotz
 419
 420 '
 421
 422 test_expect_success 'push with colon-less refspec (3)' '
 423
 424         mk_test testrepo &&
 425         if git show-ref --verify -q refs/tags/frotz
 426         then
 427                 git tag -d frotz
 428         fi &&
 429         git branch -f frotz main &&
 430         git push testrepo frotz &&
 431         check_push_result testrepo $the_commit heads/frotz &&
 432         test 1 = $( cd testrepo && git show-ref | wc -l )
 433 '
 434
 435 test_expect_success 'push with colon-less refspec (4)' '
 436
 437         mk_test testrepo &&
 438         if git show-ref --verify -q refs/heads/frotz
 439         then
 440                 git branch -D frotz
 441         fi &&
 442         git tag -f frotz &&
 443         git push testrepo frotz &&
 444         check_push_result testrepo $the_commit tags/frotz &&
 445         test 1 = $( cd testrepo && git show-ref | wc -l )
 446
 447 '
 448
 449 test_expect_success 'push head with non-existent, incomplete dest' '
 450
 451         mk_test testrepo &&
 452         git push testrepo main:branch &&
 453         check_push_result testrepo $the_commit heads/branch
 454
 455 '
 456
 457 test_expect_success 'push tag with non-existent, incomplete dest' '
 458
 459         mk_test testrepo &&
 460         git tag -f v1.0 &&
 461         git push testrepo v1.0:tag &&
 462         check_push_result testrepo $the_commit tags/tag
 463
 464 '
 465
 466 test_expect_success 'push sha1 with non-existent, incomplete dest' '
 467
 468         mk_test testrepo &&
 469         test_must_fail git push testrepo $(git rev-parse main):foo
 470
 471 '
 472
 473 test_expect_success 'push ref expression with non-existent, incomplete dest' '
 474
 475         mk_test testrepo &&
 476         test_must_fail git push testrepo main^:branch
 477
 478 '
 479
 480 for head in HEAD @
 481 do
 482
 483         test_expect_success "push with $head" '
 484                 mk_test testrepo heads/main &&
 485                 git checkout main &&
 486                 git push testrepo $head &&
 487                 check_push_result testrepo $the_commit heads/main
 488         '
 489
 490         test_expect_success "push with $head nonexisting at remote" '
 491                 mk_test testrepo heads/main &&
 492                 git checkout -b local main &&
 493                 test_when_finished "git checkout main; git branch -D local" &&
 494                 git push testrepo $head &&
 495                 check_push_result testrepo $the_commit heads/local
 496         '
 497
 498         test_expect_success "push with +$head" '
 499                 mk_test testrepo heads/main &&
 500                 git checkout -b local main &&
 501                 test_when_finished "git checkout main; git branch -D local" &&
 502                 git push testrepo main local &&
 503                 check_push_result testrepo $the_commit heads/main &&
 504                 check_push_result testrepo $the_commit heads/local &&
 505
 506                 # Without force rewinding should fail
 507                 git reset --hard $head^ &&
 508                 test_must_fail git push testrepo $head &&
 509                 check_push_result testrepo $the_commit heads/local &&
 510
 511                 # With force rewinding should succeed
 512                 git push testrepo +$head &&
 513                 check_push_result testrepo $the_first_commit heads/local
 514         '
 515
 516         test_expect_success "push $head with non-existent, incomplete dest" '
 517                 mk_test testrepo &&
 518                 git checkout main &&
 519                 git push testrepo $head:branch &&
 520                 check_push_result testrepo $the_commit heads/branch
 521
 522         '
 523
 524         test_expect_success "push with config remote.*.push = $head" '
 525                 mk_test testrepo heads/local &&
 526                 git checkout main &&
 527                 git branch -f local $the_commit &&
 528                 test_when_finished "git branch -D local" &&
 529                 (
 530                         cd testrepo &&
 531                         git checkout local &&
 532                         git reset --hard $the_first_commit
 533                 ) &&
 534                 test_config remote.there.url testrepo &&
 535                 test_config remote.there.push $head &&
 536                 test_config branch.main.remote there &&
 537                 git push &&
 538                 check_push_result testrepo $the_commit heads/main &&
 539                 check_push_result testrepo $the_first_commit heads/local
 540         '
 541
 542 done
 543
 544 test_expect_success 'push with remote.pushdefault' '
 545         mk_test up_repo heads/main &&
 546         mk_test down_repo heads/main &&
 547         test_config remote.up.url up_repo &&
 548         test_config remote.down.url down_repo &&
 549         test_config branch.main.remote up &&
 550         test_config remote.pushdefault down &&
 551         test_config push.default matching &&
 552         git push &&
 553         check_push_result up_repo $the_first_commit heads/main &&
 554         check_push_result down_repo $the_commit heads/main
 555 '
 556
 557 test_expect_success 'push with config remote.*.pushurl' '
 558
 559         mk_test testrepo heads/main &&
 560         git checkout main &&
 561         test_config remote.there.url test2repo &&
 562         test_config remote.there.pushurl testrepo &&
 563         git push there : &&
 564         check_push_result testrepo $the_commit heads/main
 565 '
 566
 567 test_expect_success 'push with config branch.*.pushremote' '
 568         mk_test up_repo heads/main &&
 569         mk_test side_repo heads/main &&
 570         mk_test down_repo heads/main &&
 571         test_config remote.up.url up_repo &&
 572         test_config remote.pushdefault side_repo &&
 573         test_config remote.down.url down_repo &&
 574         test_config branch.main.remote up &&
 575         test_config branch.main.pushremote down &&
 576         test_config push.default matching &&
 577         git push &&
 578         check_push_result up_repo $the_first_commit heads/main &&
 579         check_push_result side_repo $the_first_commit heads/main &&
 580         check_push_result down_repo $the_commit heads/main
 581 '
 582
 583 test_expect_success 'branch.*.pushremote config order is irrelevant' '
 584         mk_test one_repo heads/main &&
 585         mk_test two_repo heads/main &&
 586         test_config remote.one.url one_repo &&
 587         test_config remote.two.url two_repo &&
 588         test_config branch.main.pushremote two_repo &&
 589         test_config remote.pushdefault one_repo &&
 590         test_config push.default matching &&
 591         git push &&
 592         check_push_result one_repo $the_first_commit heads/main &&
 593         check_push_result two_repo $the_commit heads/main
 594 '
 595
 596 test_expect_success 'push with dry-run' '
 597
 598         mk_test testrepo heads/main &&
 599         old_commit=$(git -C testrepo show-ref -s --verify refs/heads/main) &&
 600         git push --dry-run testrepo : &&
 601         check_push_result testrepo $old_commit heads/main
 602 '
 603
 604 test_expect_success 'push updates local refs' '
 605
 606         mk_test testrepo heads/main &&
 607         mk_child testrepo child &&
 608         (
 609                 cd child &&
 610                 git pull .. main &&
 611                 git push &&
 612                 test $(git rev-parse main) = \
 613                         $(git rev-parse remotes/origin/main)
 614         )
 615
 616 '
 617
 618 test_expect_success 'push updates up-to-date local refs' '
 619
 620         mk_test testrepo heads/main &&
 621         mk_child testrepo child1 &&
 622         mk_child testrepo child2 &&
 623         (cd child1 && git pull .. main && git push) &&
 624         (
 625                 cd child2 &&
 626                 git pull ../child1 main &&
 627                 git push &&
 628                 test $(git rev-parse main) = \
 629                         $(git rev-parse remotes/origin/main)
 630         )
 631
 632 '
 633
 634 test_expect_success 'push preserves up-to-date packed refs' '
 635
 636         mk_test testrepo heads/main &&
 637         mk_child testrepo child &&
 638         (
 639                 cd child &&
 640                 git push &&
 641                 ! test -f .git/refs/remotes/origin/main
 642         )
 643
 644 '
 645
 646 test_expect_success 'push does not update local refs on failure' '
 647
 648         mk_test testrepo heads/main &&
 649         mk_child testrepo child &&
 650         mkdir testrepo/.git/hooks &&
 651         echo "#!/no/frobnication/today" >testrepo/.git/hooks/pre-receive &&
 652         chmod +x testrepo/.git/hooks/pre-receive &&
 653         (
 654                 cd child &&
 655                 git pull .. main &&
 656                 test_must_fail git push &&
 657                 test $(git rev-parse main) != \
 658                         $(git rev-parse remotes/origin/main)
 659         )
 660
 661 '
 662
 663 test_expect_success 'allow deleting an invalid remote ref' '
 664
 665         mk_test testrepo heads/branch &&
 666         rm -f testrepo/.git/objects/??/* &&
 667         git push testrepo :refs/heads/branch &&
 668         (cd testrepo && test_must_fail git rev-parse --verify refs/heads/branch)
 669
 670 '
 671
 672 test_expect_success 'pushing valid refs triggers post-receive and post-update hooks' '
 673         mk_test_with_hooks testrepo heads/main heads/next &&
 674         orgmain=$(cd testrepo && git show-ref -s --verify refs/heads/main) &&
 675         newmain=$(git show-ref -s --verify refs/heads/main) &&
 676         orgnext=$(cd testrepo && git show-ref -s --verify refs/heads/next) &&
 677         newnext=$ZERO_OID &&
 678         git push testrepo refs/heads/main:refs/heads/main :refs/heads/next &&
 679         (
 680                 cd testrepo/.git &&
 681                 cat >pre-receive.expect <<-EOF &&
 682                 $orgmain $newmain refs/heads/main
 683                 $orgnext $newnext refs/heads/next
 684                 EOF
 685
 686                 cat >update.expect <<-EOF &&
 687                 refs/heads/main $orgmain $newmain
 688                 refs/heads/next $orgnext $newnext
 689                 EOF
 690
 691                 cat >post-receive.expect <<-EOF &&
 692                 $orgmain $newmain refs/heads/main
 693                 $orgnext $newnext refs/heads/next
 694                 EOF
 695
 696                 cat >post-update.expect <<-EOF &&
 697                 refs/heads/main
 698                 refs/heads/next
 699                 EOF
 700
 701                 test_cmp pre-receive.expect pre-receive.actual &&
 702                 test_cmp update.expect update.actual &&
 703                 test_cmp post-receive.expect post-receive.actual &&
 704                 test_cmp post-update.expect post-update.actual
 705         )
 706 '
 707
 708 test_expect_success 'deleting dangling ref triggers hooks with correct args' '
 709         mk_test_with_hooks testrepo heads/branch &&
 710         orig=$(git -C testrepo rev-parse refs/heads/branch) &&
 711         rm -f testrepo/.git/objects/??/* &&
 712         git push testrepo :refs/heads/branch &&
 713         (
 714                 cd testrepo/.git &&
 715                 cat >pre-receive.expect <<-EOF &&
 716                 $orig $ZERO_OID refs/heads/branch
 717                 EOF
 718
 719                 cat >update.expect <<-EOF &&
 720                 refs/heads/branch $orig $ZERO_OID
 721                 EOF
 722
 723                 cat >post-receive.expect <<-EOF &&
 724                 $orig $ZERO_OID refs/heads/branch
 725                 EOF
 726
 727                 cat >post-update.expect <<-EOF &&
 728                 refs/heads/branch
 729                 EOF
 730
 731                 test_cmp pre-receive.expect pre-receive.actual &&
 732                 test_cmp update.expect update.actual &&
 733                 test_cmp post-receive.expect post-receive.actual &&
 734                 test_cmp post-update.expect post-update.actual
 735         )
 736 '
 737
 738 test_expect_success 'deletion of a non-existent ref is not fed to post-receive and post-update hooks' '
 739         mk_test_with_hooks testrepo heads/main &&
 740         orgmain=$(cd testrepo && git show-ref -s --verify refs/heads/main) &&
 741         newmain=$(git show-ref -s --verify refs/heads/main) &&
 742         git push testrepo main :refs/heads/nonexistent &&
 743         (
 744                 cd testrepo/.git &&
 745                 cat >pre-receive.expect <<-EOF &&
 746                 $orgmain $newmain refs/heads/main
 747                 $ZERO_OID $ZERO_OID refs/heads/nonexistent
 748                 EOF
 749
 750                 cat >update.expect <<-EOF &&
 751                 refs/heads/main $orgmain $newmain
 752                 refs/heads/nonexistent $ZERO_OID $ZERO_OID
 753                 EOF
 754
 755                 cat >post-receive.expect <<-EOF &&
 756                 $orgmain $newmain refs/heads/main
 757                 EOF
 758
 759                 cat >post-update.expect <<-EOF &&
 760                 refs/heads/main
 761                 EOF
 762
 763                 test_cmp pre-receive.expect pre-receive.actual &&
 764                 test_cmp update.expect update.actual &&
 765                 test_cmp post-receive.expect post-receive.actual &&
 766                 test_cmp post-update.expect post-update.actual
 767         )
 768 '
 769
 770 test_expect_success 'deletion of a non-existent ref alone does trigger post-receive and post-update hooks' '
 771         mk_test_with_hooks testrepo heads/main &&
 772         git push testrepo :refs/heads/nonexistent &&
 773         (
 774                 cd testrepo/.git &&
 775                 cat >pre-receive.expect <<-EOF &&
 776                 $ZERO_OID $ZERO_OID refs/heads/nonexistent
 777                 EOF
 778
 779                 cat >update.expect <<-EOF &&
 780                 refs/heads/nonexistent $ZERO_OID $ZERO_OID
 781                 EOF
 782
 783                 test_cmp pre-receive.expect pre-receive.actual &&
 784                 test_cmp update.expect update.actual &&
 785                 test_path_is_missing post-receive.actual &&
 786                 test_path_is_missing post-update.actual
 787         )
 788 '
 789
 790 test_expect_success 'mixed ref updates, deletes, invalid deletes trigger hooks with correct input' '
 791         mk_test_with_hooks testrepo heads/main heads/next heads/seen &&
 792         orgmain=$(cd testrepo && git show-ref -s --verify refs/heads/main) &&
 793         newmain=$(git show-ref -s --verify refs/heads/main) &&
 794         orgnext=$(cd testrepo && git show-ref -s --verify refs/heads/next) &&
 795         newnext=$ZERO_OID &&
 796         orgseen=$(cd testrepo && git show-ref -s --verify refs/heads/seen) &&
 797         newseen=$(git show-ref -s --verify refs/heads/main) &&
 798         git push testrepo refs/heads/main:refs/heads/main \
 799             refs/heads/main:refs/heads/seen :refs/heads/next \
 800             :refs/heads/nonexistent &&
 801         (
 802                 cd testrepo/.git &&
 803                 cat >pre-receive.expect <<-EOF &&
 804                 $orgmain $newmain refs/heads/main
 805                 $orgnext $newnext refs/heads/next
 806                 $orgseen $newseen refs/heads/seen
 807                 $ZERO_OID $ZERO_OID refs/heads/nonexistent
 808                 EOF
 809
 810                 cat >update.expect <<-EOF &&
 811                 refs/heads/main $orgmain $newmain
 812                 refs/heads/next $orgnext $newnext
 813                 refs/heads/seen $orgseen $newseen
 814                 refs/heads/nonexistent $ZERO_OID $ZERO_OID
 815                 EOF
 816
 817                 cat >post-receive.expect <<-EOF &&
 818                 $orgmain $newmain refs/heads/main
 819                 $orgnext $newnext refs/heads/next
 820                 $orgseen $newseen refs/heads/seen
 821                 EOF
 822
 823                 cat >post-update.expect <<-EOF &&
 824                 refs/heads/main
 825                 refs/heads/next
 826                 refs/heads/seen
 827                 EOF
 828
 829                 test_cmp pre-receive.expect pre-receive.actual &&
 830                 test_cmp update.expect update.actual &&
 831                 test_cmp post-receive.expect post-receive.actual &&
 832                 test_cmp post-update.expect post-update.actual
 833         )
 834 '
 835
 836 test_expect_success 'allow deleting a ref using --delete' '
 837         mk_test testrepo heads/main &&
 838         (cd testrepo && git config receive.denyDeleteCurrent warn) &&
 839         git push testrepo --delete main &&
 840         (cd testrepo && test_must_fail git rev-parse --verify refs/heads/main)
 841 '
 842
 843 test_expect_success 'allow deleting a tag using --delete' '
 844         mk_test testrepo heads/main &&
 845         git tag -a -m dummy_message deltag heads/main &&
 846         git push testrepo --tags &&
 847         (cd testrepo && git rev-parse --verify -q refs/tags/deltag) &&
 848         git push testrepo --delete tag deltag &&
 849         (cd testrepo && test_must_fail git rev-parse --verify refs/tags/deltag)
 850 '
 851
 852 test_expect_success 'push --delete without args aborts' '
 853         mk_test testrepo heads/main &&
 854         test_must_fail git push testrepo --delete
 855 '
 856
 857 test_expect_success 'push --delete refuses src:dest refspecs' '
 858         mk_test testrepo heads/main &&
 859         test_must_fail git push testrepo --delete main:foo
 860 '
 861
 862 test_expect_success 'push --delete refuses empty string' '
 863         mk_test testrepo heads/master &&
 864         test_must_fail git push testrepo --delete ""
 865 '
 866
 867 test_expect_success 'warn on push to HEAD of non-bare repository' '
 868         mk_test testrepo heads/main &&
 869         (
 870                 cd testrepo &&
 871                 git checkout main &&
 872                 git config receive.denyCurrentBranch warn
 873         ) &&
 874         git push testrepo main 2>stderr &&
 875         grep "warning: updating the current branch" stderr
 876 '
 877
 878 test_expect_success 'deny push to HEAD of non-bare repository' '
 879         mk_test testrepo heads/main &&
 880         (
 881                 cd testrepo &&
 882                 git checkout main &&
 883                 git config receive.denyCurrentBranch true
 884         ) &&
 885         test_must_fail git push testrepo main
 886 '
 887
 888 test_expect_success 'allow push to HEAD of bare repository (bare)' '
 889         mk_test testrepo heads/main &&
 890         (
 891                 cd testrepo &&
 892                 git checkout main &&
 893                 git config receive.denyCurrentBranch true &&
 894                 git config core.bare true
 895         ) &&
 896         git push testrepo main 2>stderr &&
 897         ! grep "warning: updating the current branch" stderr
 898 '
 899
 900 test_expect_success 'allow push to HEAD of non-bare repository (config)' '
 901         mk_test testrepo heads/main &&
 902         (
 903                 cd testrepo &&
 904                 git checkout main &&
 905                 git config receive.denyCurrentBranch false
 906         ) &&
 907         git push testrepo main 2>stderr &&
 908         ! grep "warning: updating the current branch" stderr
 909 '
 910
 911 test_expect_success 'fetch with branches' '
 912         mk_empty testrepo &&
 913         git branch second $the_first_commit &&
 914         git checkout second &&
 915         echo ".." > testrepo/.git/branches/branch1 &&
 916         (
 917                 cd testrepo &&
 918                 git fetch branch1 &&
 919                 echo "$the_commit commit        refs/heads/branch1" >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 'fetch with branches containing #' '
 927         mk_empty testrepo &&
 928         echo "..#second" > testrepo/.git/branches/branch2 &&
 929         (
 930                 cd testrepo &&
 931                 git fetch branch2 &&
 932                 echo "$the_first_commit commit  refs/heads/branch2" >expect &&
 933                 git for-each-ref refs/heads >actual &&
 934                 test_cmp expect actual
 935         ) &&
 936         git checkout main
 937 '
 938
 939 test_expect_success 'push with branches' '
 940         mk_empty testrepo &&
 941         git checkout second &&
 942         echo "testrepo" > .git/branches/branch1 &&
 943         git push branch1 &&
 944         (
 945                 cd testrepo &&
 946                 echo "$the_first_commit commit  refs/heads/main" >expect &&
 947                 git for-each-ref refs/heads >actual &&
 948                 test_cmp expect actual
 949         )
 950 '
 951
 952 test_expect_success 'push with branches containing #' '
 953         mk_empty testrepo &&
 954         echo "testrepo#branch3" > .git/branches/branch2 &&
 955         git push branch2 &&
 956         (
 957                 cd testrepo &&
 958                 echo "$the_first_commit commit  refs/heads/branch3" >expect &&
 959                 git for-each-ref refs/heads >actual &&
 960                 test_cmp expect actual
 961         ) &&
 962         git checkout main
 963 '
 964
 965 test_expect_success 'push into aliased refs (consistent)' '
 966         mk_test testrepo heads/main &&
 967         mk_child testrepo child1 &&
 968         mk_child testrepo child2 &&
 969         (
 970                 cd child1 &&
 971                 git branch foo &&
 972                 git symbolic-ref refs/heads/bar refs/heads/foo &&
 973                 git config receive.denyCurrentBranch false
 974         ) &&
 975         (
 976                 cd child2 &&
 977                 >path2 &&
 978                 git add path2 &&
 979                 test_tick &&
 980                 git commit -a -m child2 &&
 981                 git branch foo &&
 982                 git branch bar &&
 983                 git push ../child1 foo bar
 984         )
 985 '
 986
 987 test_expect_success 'push into aliased refs (inconsistent)' '
 988         mk_test testrepo heads/main &&
 989         mk_child testrepo child1 &&
 990         mk_child testrepo child2 &&
 991         (
 992                 cd child1 &&
 993                 git branch foo &&
 994                 git symbolic-ref refs/heads/bar refs/heads/foo &&
 995                 git config receive.denyCurrentBranch false
 996         ) &&
 997         (
 998                 cd child2 &&
 999                 >path2 &&
1000                 git add path2 &&
1001                 test_tick &&
1002                 git commit -a -m child2 &&
1003                 git branch foo &&
1004                 >path3 &&
1005                 git add path3 &&
1006                 test_tick &&
1007                 git commit -a -m child2 &&
1008                 git branch bar &&
1009                 test_must_fail git push ../child1 foo bar 2>stderr &&
1010                 grep "refusing inconsistent update" stderr
1011         )
1012 '
1013
1014 test_force_push_tag () {
1015         tag_type_description=$1
1016         tag_args=$2
1017
1018         test_expect_success "force pushing required to update $tag_type_description" "
1019                 mk_test testrepo heads/main &&
1020                 mk_child testrepo child1 &&
1021                 mk_child testrepo child2 &&
1022                 (
1023                         cd child1 &&
1024                         git tag testTag &&
1025                         git push ../child2 testTag &&
1026                         >file1 &&
1027                         git add file1 &&
1028                         git commit -m 'file1' &&
1029                         git tag $tag_args testTag &&
1030                         test_must_fail git push ../child2 testTag &&
1031                         git push --force ../child2 testTag &&
1032                         git tag $tag_args testTag HEAD~ &&
1033                         test_must_fail git push ../child2 testTag &&
1034                         git push --force ../child2 testTag &&
1035
1036                         # Clobbering without + in refspec needs --force
1037                         git tag -f testTag &&
1038                         test_must_fail git push ../child2 'refs/tags/*:refs/tags/*' &&
1039                         git push --force ../child2 'refs/tags/*:refs/tags/*' &&
1040
1041                         # Clobbering with + in refspec does not need --force
1042                         git tag -f testTag HEAD~ &&
1043                         git push ../child2 '+refs/tags/*:refs/tags/*' &&
1044
1045                         # Clobbering with --no-force still obeys + in refspec
1046                         git tag -f testTag &&
1047                         git push --no-force ../child2 '+refs/tags/*:refs/tags/*' &&
1048
1049                         # Clobbering with/without --force and 'tag <name>' format
1050                         git tag -f testTag HEAD~ &&
1051                         test_must_fail git push ../child2 tag testTag &&
1052                         git push --force ../child2 tag testTag
1053                 )
1054         "
1055 }
1056
1057 test_force_push_tag "lightweight tag" "-f"
1058 test_force_push_tag "annotated tag" "-f -a -m'tag message'"
1059
1060 test_force_fetch_tag () {
1061         tag_type_description=$1
1062         tag_args=$2
1063
1064         test_expect_success "fetch will not clobber an existing $tag_type_description without --force" "
1065                 mk_test testrepo heads/main &&
1066                 mk_child testrepo child1 &&
1067                 mk_child testrepo child2 &&
1068                 (
1069                         cd testrepo &&
1070                         git tag testTag &&
1071                         git -C ../child1 fetch origin tag testTag &&
1072                         >file1 &&
1073                         git add file1 &&
1074                         git commit -m 'file1' &&
1075                         git tag $tag_args testTag &&
1076                         test_must_fail git -C ../child1 fetch origin tag testTag &&
1077                         git -C ../child1 fetch origin '+refs/tags/*:refs/tags/*'
1078                 )
1079         "
1080 }
1081
1082 test_force_fetch_tag "lightweight tag" "-f"
1083 test_force_fetch_tag "annotated tag" "-f -a -m'tag message'"
1084
1085 test_expect_success 'push --porcelain' '
1086         mk_empty testrepo &&
1087         echo >.git/foo  "To testrepo" &&
1088         echo >>.git/foo "*      refs/heads/main:refs/remotes/origin/main        [new reference]"  &&
1089         echo >>.git/foo "Done" &&
1090         git push >.git/bar --porcelain  testrepo refs/heads/main:refs/remotes/origin/main &&
1091         (
1092                 cd testrepo &&
1093                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
1094                 git for-each-ref refs/remotes/origin >actual &&
1095                 test_cmp expect actual
1096         ) &&
1097         test_cmp .git/foo .git/bar
1098 '
1099
1100 test_expect_success 'push --porcelain bad url' '
1101         mk_empty testrepo &&
1102         test_must_fail git push >.git/bar --porcelain asdfasdfasd refs/heads/main:refs/remotes/origin/main &&
1103         ! grep -q Done .git/bar
1104 '
1105
1106 test_expect_success 'push --porcelain rejected' '
1107         mk_empty testrepo &&
1108         git push testrepo refs/heads/main:refs/remotes/origin/main &&
1109         (cd testrepo &&
1110                 git reset --hard origin/main^ &&
1111                 git config receive.denyCurrentBranch true) &&
1112
1113         echo >.git/foo  "To testrepo"  &&
1114         echo >>.git/foo "!      refs/heads/main:refs/heads/main [remote rejected] (branch is currently checked out)" &&
1115         echo >>.git/foo "Done" &&
1116
1117         test_must_fail git push >.git/bar --porcelain  testrepo refs/heads/main:refs/heads/main &&
1118         test_cmp .git/foo .git/bar
1119 '
1120
1121 test_expect_success 'push --porcelain --dry-run rejected' '
1122         mk_empty testrepo &&
1123         git push testrepo refs/heads/main:refs/remotes/origin/main &&
1124         (cd testrepo &&
1125                 git reset --hard origin/main &&
1126                 git config receive.denyCurrentBranch true) &&
1127
1128         echo >.git/foo  "To testrepo"  &&
1129         echo >>.git/foo "!      refs/heads/main^:refs/heads/main        [rejected] (non-fast-forward)" &&
1130         echo >>.git/foo "Done" &&
1131
1132         test_must_fail git push >.git/bar --porcelain  --dry-run testrepo refs/heads/main^:refs/heads/main &&
1133         test_cmp .git/foo .git/bar
1134 '
1135
1136 test_expect_success 'push --prune' '
1137         mk_test testrepo heads/main heads/second heads/foo heads/bar &&
1138         git push --prune testrepo : &&
1139         check_push_result testrepo $the_commit heads/main &&
1140         check_push_result testrepo $the_first_commit heads/second &&
1141         ! check_push_result testrepo $the_first_commit heads/foo heads/bar
1142 '
1143
1144 test_expect_success 'push --prune refspec' '
1145         mk_test testrepo tmp/main tmp/second tmp/foo tmp/bar &&
1146         git push --prune testrepo "refs/heads/*:refs/tmp/*" &&
1147         check_push_result testrepo $the_commit tmp/main &&
1148         check_push_result testrepo $the_first_commit tmp/second &&
1149         ! check_push_result testrepo $the_first_commit tmp/foo tmp/bar
1150 '
1151
1152 for configsection in transfer receive
1153 do
1154         test_expect_success "push to update a ref hidden by $configsection.hiderefs" '
1155                 mk_test testrepo heads/main hidden/one hidden/two hidden/three &&
1156                 (
1157                         cd testrepo &&
1158                         git config $configsection.hiderefs refs/hidden
1159                 ) &&
1160
1161                 # push to unhidden ref succeeds normally
1162                 git push testrepo main:refs/heads/main &&
1163                 check_push_result testrepo $the_commit heads/main &&
1164
1165                 # push to update a hidden ref should fail
1166                 test_must_fail git push testrepo main:refs/hidden/one &&
1167                 check_push_result testrepo $the_first_commit hidden/one &&
1168
1169                 # push to delete a hidden ref should fail
1170                 test_must_fail git push testrepo :refs/hidden/two &&
1171                 check_push_result testrepo $the_first_commit hidden/two &&
1172
1173                 # idempotent push to update a hidden ref should fail
1174                 test_must_fail git push testrepo $the_first_commit:refs/hidden/three &&
1175                 check_push_result testrepo $the_first_commit hidden/three
1176         '
1177 done
1178
1179 test_expect_success 'fetch exact SHA1' '
1180         mk_test testrepo heads/main hidden/one &&
1181         git push testrepo main:refs/hidden/one &&
1182         (
1183                 cd testrepo &&
1184                 git config transfer.hiderefs refs/hidden
1185         ) &&
1186         check_push_result testrepo $the_commit hidden/one &&
1187
1188         mk_child testrepo child &&
1189         (
1190                 cd child &&
1191
1192                 # make sure $the_commit does not exist here
1193                 git repack -a -d &&
1194                 git prune &&
1195                 test_must_fail git cat-file -t $the_commit &&
1196
1197                 # Some protocol versions (e.g. 2) support fetching
1198                 # unadvertised objects, so restrict this test to v0.
1199
1200                 # fetching the hidden object should fail by default
1201                 test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1202                         git fetch -v ../testrepo $the_commit:refs/heads/copy 2>err &&
1203                 test_i18ngrep "Server does not allow request for unadvertised object" err &&
1204                 test_must_fail git rev-parse --verify refs/heads/copy &&
1205
1206                 # the server side can allow it to succeed
1207                 (
1208                         cd ../testrepo &&
1209                         git config uploadpack.allowtipsha1inwant true
1210                 ) &&
1211
1212                 git fetch -v ../testrepo $the_commit:refs/heads/copy main:refs/heads/extra &&
1213                 cat >expect <<-EOF &&
1214                 $the_commit
1215                 $the_first_commit
1216                 EOF
1217                 {
1218                         git rev-parse --verify refs/heads/copy &&
1219                         git rev-parse --verify refs/heads/extra
1220                 } >actual &&
1221                 test_cmp expect actual
1222         )
1223 '
1224
1225 test_expect_success 'fetch exact SHA1 in protocol v2' '
1226         mk_test testrepo heads/main hidden/one &&
1227         git push testrepo main:refs/hidden/one &&
1228         git -C testrepo config transfer.hiderefs refs/hidden &&
1229         check_push_result testrepo $the_commit hidden/one &&
1230
1231         mk_child testrepo child &&
1232         git -C child config protocol.version 2 &&
1233
1234         # make sure $the_commit does not exist here
1235         git -C child repack -a -d &&
1236         git -C child prune &&
1237         test_must_fail git -C child cat-file -t $the_commit &&
1238
1239         # fetching the hidden object succeeds by default
1240         # NEEDSWORK: should this match the v0 behavior instead?
1241         git -C child fetch -v ../testrepo $the_commit:refs/heads/copy
1242 '
1243
1244 for configallowtipsha1inwant in true false
1245 do
1246         test_expect_success "shallow fetch reachable SHA1 (but not a ref), allowtipsha1inwant=$configallowtipsha1inwant" '
1247                 mk_empty testrepo &&
1248                 (
1249                         cd testrepo &&
1250                         git config uploadpack.allowtipsha1inwant $configallowtipsha1inwant &&
1251                         git commit --allow-empty -m foo &&
1252                         git commit --allow-empty -m bar
1253                 ) &&
1254                 SHA1=$(git --git-dir=testrepo/.git rev-parse HEAD^) &&
1255                 mk_empty shallow &&
1256                 (
1257                         cd shallow &&
1258                         # Some protocol versions (e.g. 2) support fetching
1259                         # unadvertised objects, so restrict this test to v0.
1260                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1261                                 git fetch --depth=1 ../testrepo/.git $SHA1 &&
1262                         git --git-dir=../testrepo/.git config uploadpack.allowreachablesha1inwant true &&
1263                         git fetch --depth=1 ../testrepo/.git $SHA1 &&
1264                         git cat-file commit $SHA1
1265                 )
1266         '
1267
1268         test_expect_success "deny fetch unreachable SHA1, allowtipsha1inwant=$configallowtipsha1inwant" '
1269                 mk_empty testrepo &&
1270                 (
1271                         cd testrepo &&
1272                         git config uploadpack.allowtipsha1inwant $configallowtipsha1inwant &&
1273                         git commit --allow-empty -m foo &&
1274                         git commit --allow-empty -m bar &&
1275                         git commit --allow-empty -m xyz
1276                 ) &&
1277                 SHA1_1=$(git --git-dir=testrepo/.git rev-parse HEAD^^) &&
1278                 SHA1_2=$(git --git-dir=testrepo/.git rev-parse HEAD^) &&
1279                 SHA1_3=$(git --git-dir=testrepo/.git rev-parse HEAD) &&
1280                 (
1281                         cd testrepo &&
1282                         git reset --hard $SHA1_2 &&
1283                         git cat-file commit $SHA1_1 &&
1284                         git cat-file commit $SHA1_3
1285                 ) &&
1286                 mk_empty shallow &&
1287                 (
1288                         cd shallow &&
1289                         # Some protocol versions (e.g. 2) support fetching
1290                         # unadvertised objects, so restrict this test to v0.
1291                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1292                                 git fetch ../testrepo/.git $SHA1_3 &&
1293                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1294                                 git fetch ../testrepo/.git $SHA1_1 &&
1295                         git --git-dir=../testrepo/.git config uploadpack.allowreachablesha1inwant true &&
1296                         git fetch ../testrepo/.git $SHA1_1 &&
1297                         git cat-file commit $SHA1_1 &&
1298                         test_must_fail git cat-file commit $SHA1_2 &&
1299                         git fetch ../testrepo/.git $SHA1_2 &&
1300                         git cat-file commit $SHA1_2 &&
1301                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1302                                 git fetch ../testrepo/.git $SHA1_3 2>err &&
1303                         # ideally we would insist this be on a "remote error:"
1304                         # line, but it is racy; see the commit message
1305                         test_i18ngrep "not our ref.*$SHA1_3\$" err
1306                 )
1307         '
1308 done
1309
1310 test_expect_success 'fetch follows tags by default' '
1311         mk_test testrepo heads/main &&
1312         rm -fr src dst &&
1313         git init src &&
1314         (
1315                 cd src &&
1316                 git pull ../testrepo main &&
1317                 git tag -m "annotated" tag &&
1318                 git for-each-ref >tmp1 &&
1319                 (
1320                         cat tmp1
1321                         sed -n "s|refs/heads/main$|refs/remotes/origin/main|p" tmp1
1322                 ) |
1323                 sort -k 3 >../expect
1324         ) &&
1325         git init dst &&
1326         (
1327                 cd dst &&
1328                 git remote add origin ../src &&
1329                 git config branch.main.remote origin &&
1330                 git config branch.main.merge refs/heads/main &&
1331                 git pull &&
1332                 git for-each-ref >../actual
1333         ) &&
1334         test_cmp expect actual
1335 '
1336
1337 test_expect_success 'peeled advertisements are not considered ref tips' '
1338         mk_empty testrepo &&
1339         git -C testrepo commit --allow-empty -m one &&
1340         git -C testrepo commit --allow-empty -m two &&
1341         git -C testrepo tag -m foo mytag HEAD^ &&
1342         oid=$(git -C testrepo rev-parse mytag^{commit}) &&
1343         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1344                 git fetch testrepo $oid 2>err &&
1345         test_i18ngrep "Server does not allow request for unadvertised object" err
1346 '
1347
1348 test_expect_success 'pushing a specific ref applies remote.$name.push as refmap' '
1349         mk_test testrepo heads/main &&
1350         rm -fr src dst &&
1351         git init src &&
1352         git init --bare dst &&
1353         (
1354                 cd src &&
1355                 git pull ../testrepo main &&
1356                 git branch next &&
1357                 git config remote.dst.url ../dst &&
1358                 git config remote.dst.push "+refs/heads/*:refs/remotes/src/*" &&
1359                 git push dst main &&
1360                 git show-ref refs/heads/main |
1361                 sed -e "s|refs/heads/|refs/remotes/src/|" >../dst/expect
1362         ) &&
1363         (
1364                 cd dst &&
1365                 test_must_fail git show-ref refs/heads/next &&
1366                 test_must_fail git show-ref refs/heads/main &&
1367                 git show-ref refs/remotes/src/main >actual
1368         ) &&
1369         test_cmp dst/expect dst/actual
1370 '
1371
1372 test_expect_success 'with no remote.$name.push, it is not used as refmap' '
1373         mk_test testrepo heads/main &&
1374         rm -fr src dst &&
1375         git init src &&
1376         git init --bare dst &&
1377         (
1378                 cd src &&
1379                 git pull ../testrepo main &&
1380                 git branch next &&
1381                 git config remote.dst.url ../dst &&
1382                 git config push.default matching &&
1383                 git push dst main &&
1384                 git show-ref refs/heads/main >../dst/expect
1385         ) &&
1386         (
1387                 cd dst &&
1388                 test_must_fail git show-ref refs/heads/next &&
1389                 git show-ref refs/heads/main >actual
1390         ) &&
1391         test_cmp dst/expect dst/actual
1392 '
1393
1394 test_expect_success 'with no remote.$name.push, upstream mapping is used' '
1395         mk_test testrepo heads/main &&
1396         rm -fr src dst &&
1397         git init src &&
1398         git init --bare dst &&
1399         (
1400                 cd src &&
1401                 git pull ../testrepo main &&
1402                 git branch next &&
1403                 git config remote.dst.url ../dst &&
1404                 git config remote.dst.fetch "+refs/heads/*:refs/remotes/dst/*" &&
1405                 git config push.default upstream &&
1406
1407                 git config branch.main.merge refs/heads/trunk &&
1408                 git config branch.main.remote dst &&
1409
1410                 git push dst main &&
1411                 git show-ref refs/heads/main |
1412                 sed -e "s|refs/heads/main|refs/heads/trunk|" >../dst/expect
1413         ) &&
1414         (
1415                 cd dst &&
1416                 test_must_fail git show-ref refs/heads/main &&
1417                 test_must_fail git show-ref refs/heads/next &&
1418                 git show-ref refs/heads/trunk >actual
1419         ) &&
1420         test_cmp dst/expect dst/actual
1421 '
1422
1423 test_expect_success 'push does not follow tags by default' '
1424         mk_test testrepo heads/main &&
1425         rm -fr src dst &&
1426         git init src &&
1427         git init --bare dst &&
1428         (
1429                 cd src &&
1430                 git pull ../testrepo main &&
1431                 git tag -m "annotated" tag &&
1432                 git checkout -b another &&
1433                 git commit --allow-empty -m "future commit" &&
1434                 git tag -m "future" future &&
1435                 git checkout main &&
1436                 git for-each-ref refs/heads/main >../expect &&
1437                 git push ../dst main
1438         ) &&
1439         (
1440                 cd dst &&
1441                 git for-each-ref >../actual
1442         ) &&
1443         test_cmp expect actual
1444 '
1445
1446 test_expect_success 'push --follow-tags only pushes relevant tags' '
1447         mk_test testrepo heads/main &&
1448         rm -fr src dst &&
1449         git init src &&
1450         git init --bare dst &&
1451         (
1452                 cd src &&
1453                 git pull ../testrepo main &&
1454                 git tag -m "annotated" tag &&
1455                 git checkout -b another &&
1456                 git commit --allow-empty -m "future commit" &&
1457                 git tag -m "future" future &&
1458                 git checkout main &&
1459                 git for-each-ref refs/heads/main refs/tags/tag >../expect &&
1460                 git push --follow-tags ../dst main
1461         ) &&
1462         (
1463                 cd dst &&
1464                 git for-each-ref >../actual
1465         ) &&
1466         test_cmp expect actual
1467 '
1468
1469 test_expect_success 'push --no-thin must produce non-thin pack' '
1470         cat >>path1 <<\EOF &&
1471 keep base version of path1 big enough, compared to the new changes
1472 later, in order to pass size heuristics in
1473 builtin/pack-objects.c:try_delta()
1474 EOF
1475         git commit -am initial &&
1476         git init no-thin &&
1477         git --git-dir=no-thin/.git config receive.unpacklimit 0 &&
1478         git push no-thin/.git refs/heads/main:refs/heads/foo &&
1479         echo modified >> path1 &&
1480         git commit -am modified &&
1481         git repack -adf &&
1482         rcvpck="git receive-pack --reject-thin-pack-for-testing" &&
1483         git push --no-thin --receive-pack="$rcvpck" no-thin/.git refs/heads/main:refs/heads/foo
1484 '
1485
1486 test_expect_success 'pushing a tag pushes the tagged object' '
1487         rm -rf dst.git &&
1488         blob=$(echo unreferenced | git hash-object -w --stdin) &&
1489         git tag -m foo tag-of-blob $blob &&
1490         git init --bare dst.git &&
1491         git push dst.git tag-of-blob &&
1492         # the receiving index-pack should have noticed
1493         # any problems, but we double check
1494         echo unreferenced >expect &&
1495         git --git-dir=dst.git cat-file blob tag-of-blob >actual &&
1496         test_cmp expect actual
1497 '
1498
1499 test_expect_success 'push into bare respects core.logallrefupdates' '
1500         rm -rf dst.git &&
1501         git init --bare dst.git &&
1502         git -C dst.git config core.logallrefupdates true &&
1503
1504         # double push to test both with and without
1505         # the actual pack transfer
1506         git push dst.git main:one &&
1507         echo "one@{0} push" >expect &&
1508         git -C dst.git log -g --format="%gd %gs" one >actual &&
1509         test_cmp expect actual &&
1510
1511         git push dst.git main:two &&
1512         echo "two@{0} push" >expect &&
1513         git -C dst.git log -g --format="%gd %gs" two >actual &&
1514         test_cmp expect actual
1515 '
1516
1517 test_expect_success 'fetch into bare respects core.logallrefupdates' '
1518         rm -rf dst.git &&
1519         git init --bare dst.git &&
1520         (
1521                 cd dst.git &&
1522                 git config core.logallrefupdates true &&
1523
1524                 # as above, we double-fetch to test both
1525                 # with and without pack transfer
1526                 git fetch .. main:one &&
1527                 echo "one@{0} fetch .. main:one: storing head" >expect &&
1528                 git log -g --format="%gd %gs" one >actual &&
1529                 test_cmp expect actual &&
1530
1531                 git fetch .. main:two &&
1532                 echo "two@{0} fetch .. main:two: storing head" >expect &&
1533                 git log -g --format="%gd %gs" two >actual &&
1534                 test_cmp expect actual
1535         )
1536 '
1537
1538 test_expect_success 'receive.denyCurrentBranch = updateInstead' '
1539         git push testrepo main &&
1540         (
1541                 cd testrepo &&
1542                 git reset --hard &&
1543                 git config receive.denyCurrentBranch updateInstead
1544         ) &&
1545         test_commit third path2 &&
1546
1547         # Try pushing into a repository with pristine working tree
1548         git push testrepo main &&
1549         (
1550                 cd testrepo &&
1551                 git update-index -q --refresh &&
1552                 git diff-files --quiet -- &&
1553                 git diff-index --quiet --cached HEAD -- &&
1554                 test third = "$(cat path2)" &&
1555                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1556         ) &&
1557
1558         # Try pushing into a repository with working tree needing a refresh
1559         (
1560                 cd testrepo &&
1561                 git reset --hard HEAD^ &&
1562                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1563                 test-tool chmtime +100 path1
1564         ) &&
1565         git push testrepo main &&
1566         (
1567                 cd testrepo &&
1568                 git update-index -q --refresh &&
1569                 git diff-files --quiet -- &&
1570                 git diff-index --quiet --cached HEAD -- &&
1571                 test_cmp ../path1 path1 &&
1572                 test third = "$(cat path2)" &&
1573                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1574         ) &&
1575
1576         # Update what is to be pushed
1577         test_commit fourth path2 &&
1578
1579         # Try pushing into a repository with a dirty working tree
1580         # (1) the working tree updated
1581         (
1582                 cd testrepo &&
1583                 echo changed >path1
1584         ) &&
1585         test_must_fail git push testrepo main &&
1586         (
1587                 cd testrepo &&
1588                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1589                 git diff --quiet --cached &&
1590                 test changed = "$(cat path1)"
1591         ) &&
1592
1593         # (2) the index updated
1594         (
1595                 cd testrepo &&
1596                 echo changed >path1 &&
1597                 git add path1
1598         ) &&
1599         test_must_fail git push testrepo main &&
1600         (
1601                 cd testrepo &&
1602                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1603                 git diff --quiet &&
1604                 test changed = "$(cat path1)"
1605         ) &&
1606
1607         # Introduce a new file in the update
1608         test_commit fifth path3 &&
1609
1610         # (3) the working tree has an untracked file that would interfere
1611         (
1612                 cd testrepo &&
1613                 git reset --hard &&
1614                 echo changed >path3
1615         ) &&
1616         test_must_fail git push testrepo main &&
1617         (
1618                 cd testrepo &&
1619                 test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
1620                 git diff --quiet &&
1621                 git diff --quiet --cached &&
1622                 test changed = "$(cat path3)"
1623         ) &&
1624
1625         # (4) the target changes to what gets pushed but it still is a change
1626         (
1627                 cd testrepo &&
1628                 git reset --hard &&
1629                 echo fifth >path3 &&
1630                 git add path3
1631         ) &&
1632         test_must_fail git push testrepo main &&
1633         (
1634                 cd testrepo &&
1635                 test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
1636                 git diff --quiet &&
1637                 test fifth = "$(cat path3)"
1638         ) &&
1639
1640         # (5) push into void
1641         rm -fr void &&
1642         git init void &&
1643         (
1644                 cd void &&
1645                 git config receive.denyCurrentBranch updateInstead
1646         ) &&
1647         git push void main &&
1648         (
1649                 cd void &&
1650                 test $(git -C .. rev-parse main) = $(git rev-parse HEAD) &&
1651                 git diff --quiet &&
1652                 git diff --cached --quiet
1653         ) &&
1654
1655         # (6) updateInstead intervened by fast-forward check
1656         test_must_fail git push void main^:main &&
1657         test $(git -C void rev-parse HEAD) = $(git rev-parse main) &&
1658         git -C void diff --quiet &&
1659         git -C void diff --cached --quiet
1660 '
1661
1662 test_expect_success 'updateInstead with push-to-checkout hook' '
1663         rm -fr testrepo &&
1664         git init testrepo &&
1665         (
1666                 cd testrepo &&
1667                 git pull .. main &&
1668                 git reset --hard HEAD^^ &&
1669                 git tag initial &&
1670                 git config receive.denyCurrentBranch updateInstead &&
1671                 write_script .git/hooks/push-to-checkout <<-\EOF
1672                 echo >&2 updating from $(git rev-parse HEAD)
1673                 echo >&2 updating to "$1"
1674
1675                 git update-index -q --refresh &&
1676                 git read-tree -u -m HEAD "$1" || {
1677                         status=$?
1678                         echo >&2 read-tree failed
1679                         exit $status
1680                 }
1681                 EOF
1682         ) &&
1683
1684         # Try pushing into a pristine
1685         git push testrepo main &&
1686         (
1687                 cd testrepo &&
1688                 git diff --quiet &&
1689                 git diff HEAD --quiet &&
1690                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1691         ) &&
1692
1693         # Try pushing into a repository with conflicting change
1694         (
1695                 cd testrepo &&
1696                 git reset --hard initial &&
1697                 echo conflicting >path2
1698         ) &&
1699         test_must_fail git push testrepo main &&
1700         (
1701                 cd testrepo &&
1702                 test $(git rev-parse initial) = $(git rev-parse HEAD) &&
1703                 test conflicting = "$(cat path2)" &&
1704                 git diff-index --quiet --cached HEAD
1705         ) &&
1706
1707         # Try pushing into a repository with unrelated change
1708         (
1709                 cd testrepo &&
1710                 git reset --hard initial &&
1711                 echo unrelated >path1 &&
1712                 echo irrelevant >path5 &&
1713                 git add path5
1714         ) &&
1715         git push testrepo main &&
1716         (
1717                 cd testrepo &&
1718                 test "$(cat path1)" = unrelated &&
1719                 test "$(cat path5)" = irrelevant &&
1720                 test "$(git diff --name-only --cached HEAD)" = path5 &&
1721                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1722         ) &&
1723
1724         # push into void
1725         rm -fr void &&
1726         git init void &&
1727         (
1728                 cd void &&
1729                 git config receive.denyCurrentBranch updateInstead &&
1730                 write_script .git/hooks/push-to-checkout <<-\EOF
1731                 if git rev-parse --quiet --verify HEAD
1732                 then
1733                         has_head=yes
1734                         echo >&2 updating from $(git rev-parse HEAD)
1735                 else
1736                         has_head=no
1737                         echo >&2 pushing into void
1738                 fi
1739                 echo >&2 updating to "$1"
1740
1741                 git update-index -q --refresh &&
1742                 case "$has_head" in
1743                 yes)
1744                         git read-tree -u -m HEAD "$1" ;;
1745                 no)
1746                         git read-tree -u -m "$1" ;;
1747                 esac || {
1748                         status=$?
1749                         echo >&2 read-tree failed
1750                         exit $status
1751                 }
1752                 EOF
1753         ) &&
1754
1755         git push void main &&
1756         (
1757                 cd void &&
1758                 git diff --quiet &&
1759                 git diff --cached --quiet &&
1760                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1761         )
1762 '
1763
1764 test_expect_success 'denyCurrentBranch and worktrees' '
1765         git worktree add new-wt &&
1766         git clone . cloned &&
1767         test_commit -C cloned first &&
1768         test_config receive.denyCurrentBranch refuse &&
1769         test_must_fail git -C cloned push origin HEAD:new-wt &&
1770         test_config receive.denyCurrentBranch updateInstead &&
1771         git -C cloned push origin HEAD:new-wt &&
1772         test_must_fail git -C cloned push --delete origin new-wt
1773 '
1774 test_done