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                         $(git rev-parse remotes/origin/main)
 659         )
 660
 661 '
 662
 663 test_expect_success 'allow deleting an invalid remote ref' '
 664
 665         mk_test testrepo heads/main &&
 666         rm -f testrepo/.git/objects/??/* &&
 667         git push testrepo :refs/heads/main &&
 668         (cd testrepo && test_must_fail git rev-parse --verify refs/heads/main)
 669
 670 '
 671
 672 test_expect_success 'pushing valid refs triggers post-receive and post-update hooks' '
 673         mk_test_with_hooks testrepo heads/main heads/next &&
 674         orgmain=$(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/main &&
 710         rm -f testrepo/.git/objects/??/* &&
 711         git push testrepo :refs/heads/main &&
 712         (
 713                 cd testrepo/.git &&
 714                 cat >pre-receive.expect <<-EOF &&
 715                 $ZERO_OID $ZERO_OID refs/heads/main
 716                 EOF
 717
 718                 cat >update.expect <<-EOF &&
 719                 refs/heads/main $ZERO_OID $ZERO_OID
 720                 EOF
 721
 722                 cat >post-receive.expect <<-EOF &&
 723                 $ZERO_OID $ZERO_OID refs/heads/main
 724                 EOF
 725
 726                 cat >post-update.expect <<-EOF &&
 727                 refs/heads/main
 728                 EOF
 729
 730                 test_cmp pre-receive.expect pre-receive.actual &&
 731                 test_cmp update.expect update.actual &&
 732                 test_cmp post-receive.expect post-receive.actual &&
 733                 test_cmp post-update.expect post-update.actual
 734         )
 735 '
 736
 737 test_expect_success 'deletion of a non-existent ref is not fed to post-receive and post-update hooks' '
 738         mk_test_with_hooks testrepo heads/main &&
 739         orgmain=$(cd testrepo && git show-ref -s --verify refs/heads/main) &&
 740         newmain=$(git show-ref -s --verify refs/heads/main) &&
 741         git push testrepo main :refs/heads/nonexistent &&
 742         (
 743                 cd testrepo/.git &&
 744                 cat >pre-receive.expect <<-EOF &&
 745                 $orgmain $newmain refs/heads/main
 746                 $ZERO_OID $ZERO_OID refs/heads/nonexistent
 747                 EOF
 748
 749                 cat >update.expect <<-EOF &&
 750                 refs/heads/main $orgmain $newmain
 751                 refs/heads/nonexistent $ZERO_OID $ZERO_OID
 752                 EOF
 753
 754                 cat >post-receive.expect <<-EOF &&
 755                 $orgmain $newmain refs/heads/main
 756                 EOF
 757
 758                 cat >post-update.expect <<-EOF &&
 759                 refs/heads/main
 760                 EOF
 761
 762                 test_cmp pre-receive.expect pre-receive.actual &&
 763                 test_cmp update.expect update.actual &&
 764                 test_cmp post-receive.expect post-receive.actual &&
 765                 test_cmp post-update.expect post-update.actual
 766         )
 767 '
 768
 769 test_expect_success 'deletion of a non-existent ref alone does trigger post-receive and post-update hooks' '
 770         mk_test_with_hooks testrepo heads/main &&
 771         git push testrepo :refs/heads/nonexistent &&
 772         (
 773                 cd testrepo/.git &&
 774                 cat >pre-receive.expect <<-EOF &&
 775                 $ZERO_OID $ZERO_OID refs/heads/nonexistent
 776                 EOF
 777
 778                 cat >update.expect <<-EOF &&
 779                 refs/heads/nonexistent $ZERO_OID $ZERO_OID
 780                 EOF
 781
 782                 test_cmp pre-receive.expect pre-receive.actual &&
 783                 test_cmp update.expect update.actual &&
 784                 test_path_is_missing post-receive.actual &&
 785                 test_path_is_missing post-update.actual
 786         )
 787 '
 788
 789 test_expect_success 'mixed ref updates, deletes, invalid deletes trigger hooks with correct input' '
 790         mk_test_with_hooks testrepo heads/main heads/next heads/seen &&
 791         orgmain=$(cd testrepo && git show-ref -s --verify refs/heads/main) &&
 792         newmain=$(git show-ref -s --verify refs/heads/main) &&
 793         orgnext=$(cd testrepo && git show-ref -s --verify refs/heads/next) &&
 794         newnext=$ZERO_OID &&
 795         orgseen=$(cd testrepo && git show-ref -s --verify refs/heads/seen) &&
 796         newseen=$(git show-ref -s --verify refs/heads/main) &&
 797         git push testrepo refs/heads/main:refs/heads/main \
 798             refs/heads/main:refs/heads/seen :refs/heads/next \
 799             :refs/heads/nonexistent &&
 800         (
 801                 cd testrepo/.git &&
 802                 cat >pre-receive.expect <<-EOF &&
 803                 $orgmain $newmain refs/heads/main
 804                 $orgnext $newnext refs/heads/next
 805                 $orgseen $newseen refs/heads/seen
 806                 $ZERO_OID $ZERO_OID refs/heads/nonexistent
 807                 EOF
 808
 809                 cat >update.expect <<-EOF &&
 810                 refs/heads/main $orgmain $newmain
 811                 refs/heads/next $orgnext $newnext
 812                 refs/heads/seen $orgseen $newseen
 813                 refs/heads/nonexistent $ZERO_OID $ZERO_OID
 814                 EOF
 815
 816                 cat >post-receive.expect <<-EOF &&
 817                 $orgmain $newmain refs/heads/main
 818                 $orgnext $newnext refs/heads/next
 819                 $orgseen $newseen refs/heads/seen
 820                 EOF
 821
 822                 cat >post-update.expect <<-EOF &&
 823                 refs/heads/main
 824                 refs/heads/next
 825                 refs/heads/seen
 826                 EOF
 827
 828                 test_cmp pre-receive.expect pre-receive.actual &&
 829                 test_cmp update.expect update.actual &&
 830                 test_cmp post-receive.expect post-receive.actual &&
 831                 test_cmp post-update.expect post-update.actual
 832         )
 833 '
 834
 835 test_expect_success 'allow deleting a ref using --delete' '
 836         mk_test testrepo heads/main &&
 837         (cd testrepo && git config receive.denyDeleteCurrent warn) &&
 838         git push testrepo --delete main &&
 839         (cd testrepo && test_must_fail git rev-parse --verify refs/heads/main)
 840 '
 841
 842 test_expect_success 'allow deleting a tag using --delete' '
 843         mk_test testrepo heads/main &&
 844         git tag -a -m dummy_message deltag heads/main &&
 845         git push testrepo --tags &&
 846         (cd testrepo && git rev-parse --verify -q refs/tags/deltag) &&
 847         git push testrepo --delete tag deltag &&
 848         (cd testrepo && test_must_fail git rev-parse --verify refs/tags/deltag)
 849 '
 850
 851 test_expect_success 'push --delete without args aborts' '
 852         mk_test testrepo heads/main &&
 853         test_must_fail git push testrepo --delete
 854 '
 855
 856 test_expect_success 'push --delete refuses src:dest refspecs' '
 857         mk_test testrepo heads/main &&
 858         test_must_fail git push testrepo --delete main:foo
 859 '
 860
 861 test_expect_success 'push --delete refuses empty string' '
 862         mk_test testrepo heads/master &&
 863         test_must_fail git push testrepo --delete ""
 864 '
 865
 866 test_expect_success 'warn on push to HEAD of non-bare repository' '
 867         mk_test testrepo heads/main &&
 868         (
 869                 cd testrepo &&
 870                 git checkout main &&
 871                 git config receive.denyCurrentBranch warn
 872         ) &&
 873         git push testrepo main 2>stderr &&
 874         grep "warning: updating the current branch" stderr
 875 '
 876
 877 test_expect_success 'deny push to HEAD of non-bare repository' '
 878         mk_test testrepo heads/main &&
 879         (
 880                 cd testrepo &&
 881                 git checkout main &&
 882                 git config receive.denyCurrentBranch true
 883         ) &&
 884         test_must_fail git push testrepo main
 885 '
 886
 887 test_expect_success 'allow push to HEAD of bare repository (bare)' '
 888         mk_test testrepo heads/main &&
 889         (
 890                 cd testrepo &&
 891                 git checkout main &&
 892                 git config receive.denyCurrentBranch true &&
 893                 git config core.bare true
 894         ) &&
 895         git push testrepo main 2>stderr &&
 896         ! grep "warning: updating the current branch" stderr
 897 '
 898
 899 test_expect_success 'allow push to HEAD of non-bare repository (config)' '
 900         mk_test testrepo heads/main &&
 901         (
 902                 cd testrepo &&
 903                 git checkout main &&
 904                 git config receive.denyCurrentBranch false
 905         ) &&
 906         git push testrepo main 2>stderr &&
 907         ! grep "warning: updating the current branch" stderr
 908 '
 909
 910 test_expect_success 'fetch with branches' '
 911         mk_empty testrepo &&
 912         git branch second $the_first_commit &&
 913         git checkout second &&
 914         echo ".." > testrepo/.git/branches/branch1 &&
 915         (
 916                 cd testrepo &&
 917                 git fetch branch1 &&
 918                 echo "$the_commit commit        refs/heads/branch1" >expect &&
 919                 git for-each-ref refs/heads >actual &&
 920                 test_cmp expect actual
 921         ) &&
 922         git checkout main
 923 '
 924
 925 test_expect_success 'fetch with branches containing #' '
 926         mk_empty testrepo &&
 927         echo "..#second" > testrepo/.git/branches/branch2 &&
 928         (
 929                 cd testrepo &&
 930                 git fetch branch2 &&
 931                 echo "$the_first_commit commit  refs/heads/branch2" >expect &&
 932                 git for-each-ref refs/heads >actual &&
 933                 test_cmp expect actual
 934         ) &&
 935         git checkout main
 936 '
 937
 938 test_expect_success 'push with branches' '
 939         mk_empty testrepo &&
 940         git checkout second &&
 941         echo "testrepo" > .git/branches/branch1 &&
 942         git push branch1 &&
 943         (
 944                 cd testrepo &&
 945                 echo "$the_first_commit commit  refs/heads/main" >expect &&
 946                 git for-each-ref refs/heads >actual &&
 947                 test_cmp expect actual
 948         )
 949 '
 950
 951 test_expect_success 'push with branches containing #' '
 952         mk_empty testrepo &&
 953         echo "testrepo#branch3" > .git/branches/branch2 &&
 954         git push branch2 &&
 955         (
 956                 cd testrepo &&
 957                 echo "$the_first_commit commit  refs/heads/branch3" >expect &&
 958                 git for-each-ref refs/heads >actual &&
 959                 test_cmp expect actual
 960         ) &&
 961         git checkout main
 962 '
 963
 964 test_expect_success 'push into aliased refs (consistent)' '
 965         mk_test testrepo heads/main &&
 966         mk_child testrepo child1 &&
 967         mk_child testrepo child2 &&
 968         (
 969                 cd child1 &&
 970                 git branch foo &&
 971                 git symbolic-ref refs/heads/bar refs/heads/foo &&
 972                 git config receive.denyCurrentBranch false
 973         ) &&
 974         (
 975                 cd child2 &&
 976                 >path2 &&
 977                 git add path2 &&
 978                 test_tick &&
 979                 git commit -a -m child2 &&
 980                 git branch foo &&
 981                 git branch bar &&
 982                 git push ../child1 foo bar
 983         )
 984 '
 985
 986 test_expect_success 'push into aliased refs (inconsistent)' '
 987         mk_test testrepo heads/main &&
 988         mk_child testrepo child1 &&
 989         mk_child testrepo child2 &&
 990         (
 991                 cd child1 &&
 992                 git branch foo &&
 993                 git symbolic-ref refs/heads/bar refs/heads/foo &&
 994                 git config receive.denyCurrentBranch false
 995         ) &&
 996         (
 997                 cd child2 &&
 998                 >path2 &&
 999                 git add path2 &&
1000                 test_tick &&
1001                 git commit -a -m child2 &&
1002                 git branch foo &&
1003                 >path3 &&
1004                 git add path3 &&
1005                 test_tick &&
1006                 git commit -a -m child2 &&
1007                 git branch bar &&
1008                 test_must_fail git push ../child1 foo bar 2>stderr &&
1009                 grep "refusing inconsistent update" stderr
1010         )
1011 '
1012
1013 test_force_push_tag () {
1014         tag_type_description=$1
1015         tag_args=$2
1016
1017         test_expect_success "force pushing required to update $tag_type_description" "
1018                 mk_test testrepo heads/main &&
1019                 mk_child testrepo child1 &&
1020                 mk_child testrepo child2 &&
1021                 (
1022                         cd child1 &&
1023                         git tag testTag &&
1024                         git push ../child2 testTag &&
1025                         >file1 &&
1026                         git add file1 &&
1027                         git commit -m 'file1' &&
1028                         git tag $tag_args testTag &&
1029                         test_must_fail git push ../child2 testTag &&
1030                         git push --force ../child2 testTag &&
1031                         git tag $tag_args testTag HEAD~ &&
1032                         test_must_fail git push ../child2 testTag &&
1033                         git push --force ../child2 testTag &&
1034
1035                         # Clobbering without + in refspec needs --force
1036                         git tag -f testTag &&
1037                         test_must_fail git push ../child2 'refs/tags/*:refs/tags/*' &&
1038                         git push --force ../child2 'refs/tags/*:refs/tags/*' &&
1039
1040                         # Clobbering with + in refspec does not need --force
1041                         git tag -f testTag HEAD~ &&
1042                         git push ../child2 '+refs/tags/*:refs/tags/*' &&
1043
1044                         # Clobbering with --no-force still obeys + in refspec
1045                         git tag -f testTag &&
1046                         git push --no-force ../child2 '+refs/tags/*:refs/tags/*' &&
1047
1048                         # Clobbering with/without --force and 'tag <name>' format
1049                         git tag -f testTag HEAD~ &&
1050                         test_must_fail git push ../child2 tag testTag &&
1051                         git push --force ../child2 tag testTag
1052                 )
1053         "
1054 }
1055
1056 test_force_push_tag "lightweight tag" "-f"
1057 test_force_push_tag "annotated tag" "-f -a -m'tag message'"
1058
1059 test_force_fetch_tag () {
1060         tag_type_description=$1
1061         tag_args=$2
1062
1063         test_expect_success "fetch will not clobber an existing $tag_type_description without --force" "
1064                 mk_test testrepo heads/main &&
1065                 mk_child testrepo child1 &&
1066                 mk_child testrepo child2 &&
1067                 (
1068                         cd testrepo &&
1069                         git tag testTag &&
1070                         git -C ../child1 fetch origin tag testTag &&
1071                         >file1 &&
1072                         git add file1 &&
1073                         git commit -m 'file1' &&
1074                         git tag $tag_args testTag &&
1075                         test_must_fail git -C ../child1 fetch origin tag testTag &&
1076                         git -C ../child1 fetch origin '+refs/tags/*:refs/tags/*'
1077                 )
1078         "
1079 }
1080
1081 test_force_fetch_tag "lightweight tag" "-f"
1082 test_force_fetch_tag "annotated tag" "-f -a -m'tag message'"
1083
1084 test_expect_success 'push --porcelain' '
1085         mk_empty testrepo &&
1086         echo >.git/foo  "To testrepo" &&
1087         echo >>.git/foo "*      refs/heads/main:refs/remotes/origin/main        [new reference]"  &&
1088         echo >>.git/foo "Done" &&
1089         git push >.git/bar --porcelain  testrepo refs/heads/main:refs/remotes/origin/main &&
1090         (
1091                 cd testrepo &&
1092                 echo "$the_commit commit        refs/remotes/origin/main" >expect &&
1093                 git for-each-ref refs/remotes/origin >actual &&
1094                 test_cmp expect actual
1095         ) &&
1096         test_cmp .git/foo .git/bar
1097 '
1098
1099 test_expect_success 'push --porcelain bad url' '
1100         mk_empty testrepo &&
1101         test_must_fail git push >.git/bar --porcelain asdfasdfasd refs/heads/main:refs/remotes/origin/main &&
1102         ! grep -q Done .git/bar
1103 '
1104
1105 test_expect_success 'push --porcelain rejected' '
1106         mk_empty testrepo &&
1107         git push testrepo refs/heads/main:refs/remotes/origin/main &&
1108         (cd testrepo &&
1109                 git reset --hard origin/main^ &&
1110                 git config receive.denyCurrentBranch true) &&
1111
1112         echo >.git/foo  "To testrepo"  &&
1113         echo >>.git/foo "!      refs/heads/main:refs/heads/main [remote rejected] (branch is currently checked out)" &&
1114         echo >>.git/foo "Done" &&
1115
1116         test_must_fail git push >.git/bar --porcelain  testrepo refs/heads/main:refs/heads/main &&
1117         test_cmp .git/foo .git/bar
1118 '
1119
1120 test_expect_success 'push --porcelain --dry-run rejected' '
1121         mk_empty testrepo &&
1122         git push testrepo refs/heads/main:refs/remotes/origin/main &&
1123         (cd testrepo &&
1124                 git reset --hard origin/main &&
1125                 git config receive.denyCurrentBranch true) &&
1126
1127         echo >.git/foo  "To testrepo"  &&
1128         echo >>.git/foo "!      refs/heads/main^:refs/heads/main        [rejected] (non-fast-forward)" &&
1129         echo >>.git/foo "Done" &&
1130
1131         test_must_fail git push >.git/bar --porcelain  --dry-run testrepo refs/heads/main^:refs/heads/main &&
1132         test_cmp .git/foo .git/bar
1133 '
1134
1135 test_expect_success 'push --prune' '
1136         mk_test testrepo heads/main heads/second heads/foo heads/bar &&
1137         git push --prune testrepo : &&
1138         check_push_result testrepo $the_commit heads/main &&
1139         check_push_result testrepo $the_first_commit heads/second &&
1140         ! check_push_result testrepo $the_first_commit heads/foo heads/bar
1141 '
1142
1143 test_expect_success 'push --prune refspec' '
1144         mk_test testrepo tmp/main tmp/second tmp/foo tmp/bar &&
1145         git push --prune testrepo "refs/heads/*:refs/tmp/*" &&
1146         check_push_result testrepo $the_commit tmp/main &&
1147         check_push_result testrepo $the_first_commit tmp/second &&
1148         ! check_push_result testrepo $the_first_commit tmp/foo tmp/bar
1149 '
1150
1151 for configsection in transfer receive
1152 do
1153         test_expect_success "push to update a ref hidden by $configsection.hiderefs" '
1154                 mk_test testrepo heads/main hidden/one hidden/two hidden/three &&
1155                 (
1156                         cd testrepo &&
1157                         git config $configsection.hiderefs refs/hidden
1158                 ) &&
1159
1160                 # push to unhidden ref succeeds normally
1161                 git push testrepo main:refs/heads/main &&
1162                 check_push_result testrepo $the_commit heads/main &&
1163
1164                 # push to update a hidden ref should fail
1165                 test_must_fail git push testrepo main:refs/hidden/one &&
1166                 check_push_result testrepo $the_first_commit hidden/one &&
1167
1168                 # push to delete a hidden ref should fail
1169                 test_must_fail git push testrepo :refs/hidden/two &&
1170                 check_push_result testrepo $the_first_commit hidden/two &&
1171
1172                 # idempotent push to update a hidden ref should fail
1173                 test_must_fail git push testrepo $the_first_commit:refs/hidden/three &&
1174                 check_push_result testrepo $the_first_commit hidden/three
1175         '
1176 done
1177
1178 test_expect_success 'fetch exact SHA1' '
1179         mk_test testrepo heads/main hidden/one &&
1180         git push testrepo main:refs/hidden/one &&
1181         (
1182                 cd testrepo &&
1183                 git config transfer.hiderefs refs/hidden
1184         ) &&
1185         check_push_result testrepo $the_commit hidden/one &&
1186
1187         mk_child testrepo child &&
1188         (
1189                 cd child &&
1190
1191                 # make sure $the_commit does not exist here
1192                 git repack -a -d &&
1193                 git prune &&
1194                 test_must_fail git cat-file -t $the_commit &&
1195
1196                 # Some protocol versions (e.g. 2) support fetching
1197                 # unadvertised objects, so restrict this test to v0.
1198
1199                 # fetching the hidden object should fail by default
1200                 test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1201                         git fetch -v ../testrepo $the_commit:refs/heads/copy 2>err &&
1202                 test_i18ngrep "Server does not allow request for unadvertised object" err &&
1203                 test_must_fail git rev-parse --verify refs/heads/copy &&
1204
1205                 # the server side can allow it to succeed
1206                 (
1207                         cd ../testrepo &&
1208                         git config uploadpack.allowtipsha1inwant true
1209                 ) &&
1210
1211                 git fetch -v ../testrepo $the_commit:refs/heads/copy main:refs/heads/extra &&
1212                 cat >expect <<-EOF &&
1213                 $the_commit
1214                 $the_first_commit
1215                 EOF
1216                 {
1217                         git rev-parse --verify refs/heads/copy &&
1218                         git rev-parse --verify refs/heads/extra
1219                 } >actual &&
1220                 test_cmp expect actual
1221         )
1222 '
1223
1224 test_expect_success 'fetch exact SHA1 in protocol v2' '
1225         mk_test testrepo heads/main hidden/one &&
1226         git push testrepo main:refs/hidden/one &&
1227         git -C testrepo config transfer.hiderefs refs/hidden &&
1228         check_push_result testrepo $the_commit hidden/one &&
1229
1230         mk_child testrepo child &&
1231         git -C child config protocol.version 2 &&
1232
1233         # make sure $the_commit does not exist here
1234         git -C child repack -a -d &&
1235         git -C child prune &&
1236         test_must_fail git -C child cat-file -t $the_commit &&
1237
1238         # fetching the hidden object succeeds by default
1239         # NEEDSWORK: should this match the v0 behavior instead?
1240         git -C child fetch -v ../testrepo $the_commit:refs/heads/copy
1241 '
1242
1243 for configallowtipsha1inwant in true false
1244 do
1245         test_expect_success "shallow fetch reachable SHA1 (but not a ref), allowtipsha1inwant=$configallowtipsha1inwant" '
1246                 mk_empty testrepo &&
1247                 (
1248                         cd testrepo &&
1249                         git config uploadpack.allowtipsha1inwant $configallowtipsha1inwant &&
1250                         git commit --allow-empty -m foo &&
1251                         git commit --allow-empty -m bar
1252                 ) &&
1253                 SHA1=$(git --git-dir=testrepo/.git rev-parse HEAD^) &&
1254                 mk_empty shallow &&
1255                 (
1256                         cd shallow &&
1257                         # Some protocol versions (e.g. 2) support fetching
1258                         # unadvertised objects, so restrict this test to v0.
1259                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1260                                 git fetch --depth=1 ../testrepo/.git $SHA1 &&
1261                         git --git-dir=../testrepo/.git config uploadpack.allowreachablesha1inwant true &&
1262                         git fetch --depth=1 ../testrepo/.git $SHA1 &&
1263                         git cat-file commit $SHA1
1264                 )
1265         '
1266
1267         test_expect_success "deny fetch unreachable SHA1, allowtipsha1inwant=$configallowtipsha1inwant" '
1268                 mk_empty testrepo &&
1269                 (
1270                         cd testrepo &&
1271                         git config uploadpack.allowtipsha1inwant $configallowtipsha1inwant &&
1272                         git commit --allow-empty -m foo &&
1273                         git commit --allow-empty -m bar &&
1274                         git commit --allow-empty -m xyz
1275                 ) &&
1276                 SHA1_1=$(git --git-dir=testrepo/.git rev-parse HEAD^^) &&
1277                 SHA1_2=$(git --git-dir=testrepo/.git rev-parse HEAD^) &&
1278                 SHA1_3=$(git --git-dir=testrepo/.git rev-parse HEAD) &&
1279                 (
1280                         cd testrepo &&
1281                         git reset --hard $SHA1_2 &&
1282                         git cat-file commit $SHA1_1 &&
1283                         git cat-file commit $SHA1_3
1284                 ) &&
1285                 mk_empty shallow &&
1286                 (
1287                         cd shallow &&
1288                         # Some protocol versions (e.g. 2) support fetching
1289                         # unadvertised objects, so restrict this test to v0.
1290                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1291                                 git fetch ../testrepo/.git $SHA1_3 &&
1292                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1293                                 git fetch ../testrepo/.git $SHA1_1 &&
1294                         git --git-dir=../testrepo/.git config uploadpack.allowreachablesha1inwant true &&
1295                         git fetch ../testrepo/.git $SHA1_1 &&
1296                         git cat-file commit $SHA1_1 &&
1297                         test_must_fail git cat-file commit $SHA1_2 &&
1298                         git fetch ../testrepo/.git $SHA1_2 &&
1299                         git cat-file commit $SHA1_2 &&
1300                         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1301                                 git fetch ../testrepo/.git $SHA1_3 2>err &&
1302                         # ideally we would insist this be on a "remote error:"
1303                         # line, but it is racy; see the commit message
1304                         test_i18ngrep "not our ref.*$SHA1_3\$" err
1305                 )
1306         '
1307 done
1308
1309 test_expect_success 'fetch follows tags by default' '
1310         mk_test testrepo heads/main &&
1311         rm -fr src dst &&
1312         git init src &&
1313         (
1314                 cd src &&
1315                 git pull ../testrepo main &&
1316                 git tag -m "annotated" tag &&
1317                 git for-each-ref >tmp1 &&
1318                 (
1319                         cat tmp1
1320                         sed -n "s|refs/heads/main$|refs/remotes/origin/main|p" tmp1
1321                 ) |
1322                 sort -k 3 >../expect
1323         ) &&
1324         git init dst &&
1325         (
1326                 cd dst &&
1327                 git remote add origin ../src &&
1328                 git config branch.main.remote origin &&
1329                 git config branch.main.merge refs/heads/main &&
1330                 git pull &&
1331                 git for-each-ref >../actual
1332         ) &&
1333         test_cmp expect actual
1334 '
1335
1336 test_expect_success 'peeled advertisements are not considered ref tips' '
1337         mk_empty testrepo &&
1338         git -C testrepo commit --allow-empty -m one &&
1339         git -C testrepo commit --allow-empty -m two &&
1340         git -C testrepo tag -m foo mytag HEAD^ &&
1341         oid=$(git -C testrepo rev-parse mytag^{commit}) &&
1342         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 \
1343                 git fetch testrepo $oid 2>err &&
1344         test_i18ngrep "Server does not allow request for unadvertised object" err
1345 '
1346
1347 test_expect_success 'pushing a specific ref applies remote.$name.push as refmap' '
1348         mk_test testrepo heads/main &&
1349         rm -fr src dst &&
1350         git init src &&
1351         git init --bare dst &&
1352         (
1353                 cd src &&
1354                 git pull ../testrepo main &&
1355                 git branch next &&
1356                 git config remote.dst.url ../dst &&
1357                 git config remote.dst.push "+refs/heads/*:refs/remotes/src/*" &&
1358                 git push dst main &&
1359                 git show-ref refs/heads/main |
1360                 sed -e "s|refs/heads/|refs/remotes/src/|" >../dst/expect
1361         ) &&
1362         (
1363                 cd dst &&
1364                 test_must_fail git show-ref refs/heads/next &&
1365                 test_must_fail git show-ref refs/heads/main &&
1366                 git show-ref refs/remotes/src/main >actual
1367         ) &&
1368         test_cmp dst/expect dst/actual
1369 '
1370
1371 test_expect_success 'with no remote.$name.push, it is not used as refmap' '
1372         mk_test testrepo heads/main &&
1373         rm -fr src dst &&
1374         git init src &&
1375         git init --bare dst &&
1376         (
1377                 cd src &&
1378                 git pull ../testrepo main &&
1379                 git branch next &&
1380                 git config remote.dst.url ../dst &&
1381                 git config push.default matching &&
1382                 git push dst main &&
1383                 git show-ref refs/heads/main >../dst/expect
1384         ) &&
1385         (
1386                 cd dst &&
1387                 test_must_fail git show-ref refs/heads/next &&
1388                 git show-ref refs/heads/main >actual
1389         ) &&
1390         test_cmp dst/expect dst/actual
1391 '
1392
1393 test_expect_success 'with no remote.$name.push, upstream mapping is used' '
1394         mk_test testrepo heads/main &&
1395         rm -fr src dst &&
1396         git init src &&
1397         git init --bare dst &&
1398         (
1399                 cd src &&
1400                 git pull ../testrepo main &&
1401                 git branch next &&
1402                 git config remote.dst.url ../dst &&
1403                 git config remote.dst.fetch "+refs/heads/*:refs/remotes/dst/*" &&
1404                 git config push.default upstream &&
1405
1406                 git config branch.main.merge refs/heads/trunk &&
1407                 git config branch.main.remote dst &&
1408
1409                 git push dst main &&
1410                 git show-ref refs/heads/main |
1411                 sed -e "s|refs/heads/main|refs/heads/trunk|" >../dst/expect
1412         ) &&
1413         (
1414                 cd dst &&
1415                 test_must_fail git show-ref refs/heads/main &&
1416                 test_must_fail git show-ref refs/heads/next &&
1417                 git show-ref refs/heads/trunk >actual
1418         ) &&
1419         test_cmp dst/expect dst/actual
1420 '
1421
1422 test_expect_success 'push does not follow tags by default' '
1423         mk_test testrepo heads/main &&
1424         rm -fr src dst &&
1425         git init src &&
1426         git init --bare dst &&
1427         (
1428                 cd src &&
1429                 git pull ../testrepo main &&
1430                 git tag -m "annotated" tag &&
1431                 git checkout -b another &&
1432                 git commit --allow-empty -m "future commit" &&
1433                 git tag -m "future" future &&
1434                 git checkout main &&
1435                 git for-each-ref refs/heads/main >../expect &&
1436                 git push ../dst main
1437         ) &&
1438         (
1439                 cd dst &&
1440                 git for-each-ref >../actual
1441         ) &&
1442         test_cmp expect actual
1443 '
1444
1445 test_expect_success 'push --follow-tags only pushes relevant tags' '
1446         mk_test testrepo heads/main &&
1447         rm -fr src dst &&
1448         git init src &&
1449         git init --bare dst &&
1450         (
1451                 cd src &&
1452                 git pull ../testrepo main &&
1453                 git tag -m "annotated" tag &&
1454                 git checkout -b another &&
1455                 git commit --allow-empty -m "future commit" &&
1456                 git tag -m "future" future &&
1457                 git checkout main &&
1458                 git for-each-ref refs/heads/main refs/tags/tag >../expect &&
1459                 git push --follow-tags ../dst main
1460         ) &&
1461         (
1462                 cd dst &&
1463                 git for-each-ref >../actual
1464         ) &&
1465         test_cmp expect actual
1466 '
1467
1468 test_expect_success 'push --no-thin must produce non-thin pack' '
1469         cat >>path1 <<\EOF &&
1470 keep base version of path1 big enough, compared to the new changes
1471 later, in order to pass size heuristics in
1472 builtin/pack-objects.c:try_delta()
1473 EOF
1474         git commit -am initial &&
1475         git init no-thin &&
1476         git --git-dir=no-thin/.git config receive.unpacklimit 0 &&
1477         git push no-thin/.git refs/heads/main:refs/heads/foo &&
1478         echo modified >> path1 &&
1479         git commit -am modified &&
1480         git repack -adf &&
1481         rcvpck="git receive-pack --reject-thin-pack-for-testing" &&
1482         git push --no-thin --receive-pack="$rcvpck" no-thin/.git refs/heads/main:refs/heads/foo
1483 '
1484
1485 test_expect_success 'pushing a tag pushes the tagged object' '
1486         rm -rf dst.git &&
1487         blob=$(echo unreferenced | git hash-object -w --stdin) &&
1488         git tag -m foo tag-of-blob $blob &&
1489         git init --bare dst.git &&
1490         git push dst.git tag-of-blob &&
1491         # the receiving index-pack should have noticed
1492         # any problems, but we double check
1493         echo unreferenced >expect &&
1494         git --git-dir=dst.git cat-file blob tag-of-blob >actual &&
1495         test_cmp expect actual
1496 '
1497
1498 test_expect_success 'push into bare respects core.logallrefupdates' '
1499         rm -rf dst.git &&
1500         git init --bare dst.git &&
1501         git -C dst.git config core.logallrefupdates true &&
1502
1503         # double push to test both with and without
1504         # the actual pack transfer
1505         git push dst.git main:one &&
1506         echo "one@{0} push" >expect &&
1507         git -C dst.git log -g --format="%gd %gs" one >actual &&
1508         test_cmp expect actual &&
1509
1510         git push dst.git main:two &&
1511         echo "two@{0} push" >expect &&
1512         git -C dst.git log -g --format="%gd %gs" two >actual &&
1513         test_cmp expect actual
1514 '
1515
1516 test_expect_success 'fetch into bare respects core.logallrefupdates' '
1517         rm -rf dst.git &&
1518         git init --bare dst.git &&
1519         (
1520                 cd dst.git &&
1521                 git config core.logallrefupdates true &&
1522
1523                 # as above, we double-fetch to test both
1524                 # with and without pack transfer
1525                 git fetch .. main:one &&
1526                 echo "one@{0} fetch .. main:one: storing head" >expect &&
1527                 git log -g --format="%gd %gs" one >actual &&
1528                 test_cmp expect actual &&
1529
1530                 git fetch .. main:two &&
1531                 echo "two@{0} fetch .. main:two: storing head" >expect &&
1532                 git log -g --format="%gd %gs" two >actual &&
1533                 test_cmp expect actual
1534         )
1535 '
1536
1537 test_expect_success 'receive.denyCurrentBranch = updateInstead' '
1538         git push testrepo main &&
1539         (
1540                 cd testrepo &&
1541                 git reset --hard &&
1542                 git config receive.denyCurrentBranch updateInstead
1543         ) &&
1544         test_commit third path2 &&
1545
1546         # Try pushing into a repository with pristine working tree
1547         git push testrepo main &&
1548         (
1549                 cd testrepo &&
1550                 git update-index -q --refresh &&
1551                 git diff-files --quiet -- &&
1552                 git diff-index --quiet --cached HEAD -- &&
1553                 test third = "$(cat path2)" &&
1554                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1555         ) &&
1556
1557         # Try pushing into a repository with working tree needing a refresh
1558         (
1559                 cd testrepo &&
1560                 git reset --hard HEAD^ &&
1561                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1562                 test-tool chmtime +100 path1
1563         ) &&
1564         git push testrepo main &&
1565         (
1566                 cd testrepo &&
1567                 git update-index -q --refresh &&
1568                 git diff-files --quiet -- &&
1569                 git diff-index --quiet --cached HEAD -- &&
1570                 test_cmp ../path1 path1 &&
1571                 test third = "$(cat path2)" &&
1572                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1573         ) &&
1574
1575         # Update what is to be pushed
1576         test_commit fourth path2 &&
1577
1578         # Try pushing into a repository with a dirty working tree
1579         # (1) the working tree updated
1580         (
1581                 cd testrepo &&
1582                 echo changed >path1
1583         ) &&
1584         test_must_fail git push testrepo main &&
1585         (
1586                 cd testrepo &&
1587                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1588                 git diff --quiet --cached &&
1589                 test changed = "$(cat path1)"
1590         ) &&
1591
1592         # (2) the index updated
1593         (
1594                 cd testrepo &&
1595                 echo changed >path1 &&
1596                 git add path1
1597         ) &&
1598         test_must_fail git push testrepo main &&
1599         (
1600                 cd testrepo &&
1601                 test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
1602                 git diff --quiet &&
1603                 test changed = "$(cat path1)"
1604         ) &&
1605
1606         # Introduce a new file in the update
1607         test_commit fifth path3 &&
1608
1609         # (3) the working tree has an untracked file that would interfere
1610         (
1611                 cd testrepo &&
1612                 git reset --hard &&
1613                 echo changed >path3
1614         ) &&
1615         test_must_fail git push testrepo main &&
1616         (
1617                 cd testrepo &&
1618                 test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
1619                 git diff --quiet &&
1620                 git diff --quiet --cached &&
1621                 test changed = "$(cat path3)"
1622         ) &&
1623
1624         # (4) the target changes to what gets pushed but it still is a change
1625         (
1626                 cd testrepo &&
1627                 git reset --hard &&
1628                 echo fifth >path3 &&
1629                 git add path3
1630         ) &&
1631         test_must_fail git push testrepo main &&
1632         (
1633                 cd testrepo &&
1634                 test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
1635                 git diff --quiet &&
1636                 test fifth = "$(cat path3)"
1637         ) &&
1638
1639         # (5) push into void
1640         rm -fr void &&
1641         git init void &&
1642         (
1643                 cd void &&
1644                 git config receive.denyCurrentBranch updateInstead
1645         ) &&
1646         git push void main &&
1647         (
1648                 cd void &&
1649                 test $(git -C .. rev-parse main) = $(git rev-parse HEAD) &&
1650                 git diff --quiet &&
1651                 git diff --cached --quiet
1652         ) &&
1653
1654         # (6) updateInstead intervened by fast-forward check
1655         test_must_fail git push void main^:main &&
1656         test $(git -C void rev-parse HEAD) = $(git rev-parse main) &&
1657         git -C void diff --quiet &&
1658         git -C void diff --cached --quiet
1659 '
1660
1661 test_expect_success 'updateInstead with push-to-checkout hook' '
1662         rm -fr testrepo &&
1663         git init testrepo &&
1664         (
1665                 cd testrepo &&
1666                 git pull .. main &&
1667                 git reset --hard HEAD^^ &&
1668                 git tag initial &&
1669                 git config receive.denyCurrentBranch updateInstead &&
1670                 write_script .git/hooks/push-to-checkout <<-\EOF
1671                 echo >&2 updating from $(git rev-parse HEAD)
1672                 echo >&2 updating to "$1"
1673
1674                 git update-index -q --refresh &&
1675                 git read-tree -u -m HEAD "$1" || {
1676                         status=$?
1677                         echo >&2 read-tree failed
1678                         exit $status
1679                 }
1680                 EOF
1681         ) &&
1682
1683         # Try pushing into a pristine
1684         git push testrepo main &&
1685         (
1686                 cd testrepo &&
1687                 git diff --quiet &&
1688                 git diff HEAD --quiet &&
1689                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1690         ) &&
1691
1692         # Try pushing into a repository with conflicting change
1693         (
1694                 cd testrepo &&
1695                 git reset --hard initial &&
1696                 echo conflicting >path2
1697         ) &&
1698         test_must_fail git push testrepo main &&
1699         (
1700                 cd testrepo &&
1701                 test $(git rev-parse initial) = $(git rev-parse HEAD) &&
1702                 test conflicting = "$(cat path2)" &&
1703                 git diff-index --quiet --cached HEAD
1704         ) &&
1705
1706         # Try pushing into a repository with unrelated change
1707         (
1708                 cd testrepo &&
1709                 git reset --hard initial &&
1710                 echo unrelated >path1 &&
1711                 echo irrelevant >path5 &&
1712                 git add path5
1713         ) &&
1714         git push testrepo main &&
1715         (
1716                 cd testrepo &&
1717                 test "$(cat path1)" = unrelated &&
1718                 test "$(cat path5)" = irrelevant &&
1719                 test "$(git diff --name-only --cached HEAD)" = path5 &&
1720                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1721         ) &&
1722
1723         # push into void
1724         rm -fr void &&
1725         git init void &&
1726         (
1727                 cd void &&
1728                 git config receive.denyCurrentBranch updateInstead &&
1729                 write_script .git/hooks/push-to-checkout <<-\EOF
1730                 if git rev-parse --quiet --verify HEAD
1731                 then
1732                         has_head=yes
1733                         echo >&2 updating from $(git rev-parse HEAD)
1734                 else
1735                         has_head=no
1736                         echo >&2 pushing into void
1737                 fi
1738                 echo >&2 updating to "$1"
1739
1740                 git update-index -q --refresh &&
1741                 case "$has_head" in
1742                 yes)
1743                         git read-tree -u -m HEAD "$1" ;;
1744                 no)
1745                         git read-tree -u -m "$1" ;;
1746                 esac || {
1747                         status=$?
1748                         echo >&2 read-tree failed
1749                         exit $status
1750                 }
1751                 EOF
1752         ) &&
1753
1754         git push void main &&
1755         (
1756                 cd void &&
1757                 git diff --quiet &&
1758                 git diff --cached --quiet &&
1759                 test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
1760         )
1761 '
1762
1763 test_expect_success 'denyCurrentBranch and worktrees' '
1764         git worktree add new-wt &&
1765         git clone . cloned &&
1766         test_commit -C cloned first &&
1767         test_config receive.denyCurrentBranch refuse &&
1768         test_must_fail git -C cloned push origin HEAD:new-wt &&
1769         test_config receive.denyCurrentBranch updateInstead &&
1770         git -C cloned push origin HEAD:new-wt &&
1771         test_must_fail git -C cloned push --delete origin new-wt
1772 '
1773 test_done