t/t5702-protocol-v2.sh

   1 #!/bin/sh
   2
   3 test_description='test git wire-protocol version 2'
   4
   5 TEST_NO_CREATE_REPO=1
   6
   7 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   8 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   9
  10 . ./test-lib.sh
  11
  12 # Test protocol v2 with 'git://' transport
  13 #
  14 . "$TEST_DIRECTORY"/lib-git-daemon.sh
  15 start_git_daemon --export-all --enable=receive-pack
  16 daemon_parent=$GIT_DAEMON_DOCUMENT_ROOT_PATH/parent
  17
  18 test_expect_success 'create repo to be served by git-daemon' '
  19         git init "$daemon_parent" &&
  20         test_commit -C "$daemon_parent" one
  21 '
  22
  23 test_expect_success 'list refs with git:// using protocol v2' '
  24         test_when_finished "rm -f log" &&
  25
  26         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
  27                 ls-remote --symref "$GIT_DAEMON_URL/parent" >actual &&
  28
  29         # Client requested to use protocol v2
  30         grep "ls-remote> .*\\\0\\\0version=2\\\0$" log &&
  31         # Server responded using protocol v2
  32         grep "ls-remote< version 2" log &&
  33
  34         git ls-remote --symref "$GIT_DAEMON_URL/parent" >expect &&
  35         test_cmp expect actual
  36 '
  37
  38 test_expect_success 'ref advertisement is filtered with ls-remote using protocol v2' '
  39         test_when_finished "rm -f log" &&
  40
  41         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
  42                 ls-remote "$GIT_DAEMON_URL/parent" main >actual &&
  43
  44         cat >expect <<-EOF &&
  45         $(git -C "$daemon_parent" rev-parse refs/heads/main)$(printf "\t")refs/heads/main
  46         EOF
  47
  48         test_cmp expect actual
  49 '
  50
  51 test_expect_success 'clone with git:// using protocol v2' '
  52         test_when_finished "rm -f log" &&
  53
  54         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
  55                 clone "$GIT_DAEMON_URL/parent" daemon_child &&
  56
  57         git -C daemon_child log -1 --format=%s >actual &&
  58         git -C "$daemon_parent" log -1 --format=%s >expect &&
  59         test_cmp expect actual &&
  60
  61         # Client requested to use protocol v2
  62         grep "clone> .*\\\0\\\0version=2\\\0$" log &&
  63         # Server responded using protocol v2
  64         grep "clone< version 2" log
  65 '
  66
  67 test_expect_success 'fetch with git:// using protocol v2' '
  68         test_when_finished "rm -f log" &&
  69
  70         test_commit -C "$daemon_parent" two &&
  71
  72         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
  73                 fetch &&
  74
  75         git -C daemon_child log -1 --format=%s origin/main >actual &&
  76         git -C "$daemon_parent" log -1 --format=%s >expect &&
  77         test_cmp expect actual &&
  78
  79         # Client requested to use protocol v2
  80         grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
  81         # Server responded using protocol v2
  82         grep "fetch< version 2" log
  83 '
  84
  85 test_expect_success 'fetch by hash without tag following with protocol v2 does not list refs' '
  86         test_when_finished "rm -f log" &&
  87
  88         test_commit -C "$daemon_parent" two_a &&
  89         git -C "$daemon_parent" rev-parse two_a >two_a_hash &&
  90
  91         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
  92                 fetch --no-tags origin $(cat two_a_hash) &&
  93
  94         grep "fetch< version 2" log &&
  95         ! grep "fetch> command=ls-refs" log
  96 '
  97
  98 test_expect_success 'pull with git:// using protocol v2' '
  99         test_when_finished "rm -f log" &&
 100
 101         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
 102                 pull &&
 103
 104         git -C daemon_child log -1 --format=%s >actual &&
 105         git -C "$daemon_parent" log -1 --format=%s >expect &&
 106         test_cmp expect actual &&
 107
 108         # Client requested to use protocol v2
 109         grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
 110         # Server responded using protocol v2
 111         grep "fetch< version 2" log
 112 '
 113
 114 test_expect_success 'push with git:// and a config of v2 does not request v2' '
 115         test_when_finished "rm -f log" &&
 116
 117         # Till v2 for push is designed, make sure that if a client has
 118         # protocol.version configured to use v2, that the client instead falls
 119         # back and uses v0.
 120
 121         test_commit -C daemon_child three &&
 122
 123         # Push to another branch, as the target repository has the
 124         # main branch checked out and we cannot push into it.
 125         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
 126                 push origin HEAD:client_branch &&
 127
 128         git -C daemon_child log -1 --format=%s >actual &&
 129         git -C "$daemon_parent" log -1 --format=%s client_branch >expect &&
 130         test_cmp expect actual &&
 131
 132         # Client requested to use protocol v2
 133         ! grep "push> .*\\\0\\\0version=2\\\0$" log &&
 134         # Server responded using protocol v2
 135         ! grep "push< version 2" log
 136 '
 137
 138 stop_git_daemon
 139
 140 # Test protocol v2 with 'file://' transport
 141 #
 142 test_expect_success 'create repo to be served by file:// transport' '
 143         git init file_parent &&
 144         test_commit -C file_parent one
 145 '
 146
 147 test_expect_success 'list refs with file:// using protocol v2' '
 148         test_when_finished "rm -f log" &&
 149
 150         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 151                 ls-remote --symref "file://$(pwd)/file_parent" >actual &&
 152
 153         # Server responded using protocol v2
 154         grep "ls-remote< version 2" log &&
 155
 156         git ls-remote --symref "file://$(pwd)/file_parent" >expect &&
 157         test_cmp expect actual
 158 '
 159
 160 test_expect_success 'ref advertisement is filtered with ls-remote using protocol v2' '
 161         test_when_finished "rm -f log" &&
 162
 163         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 164                 ls-remote "file://$(pwd)/file_parent" main >actual &&
 165
 166         cat >expect <<-EOF &&
 167         $(git -C file_parent rev-parse refs/heads/main)$(printf "\t")refs/heads/main
 168         EOF
 169
 170         test_cmp expect actual
 171 '
 172
 173 test_expect_success 'server-options are sent when using ls-remote' '
 174         test_when_finished "rm -f log" &&
 175
 176         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 177                 ls-remote -o hello -o world "file://$(pwd)/file_parent" main >actual &&
 178
 179         cat >expect <<-EOF &&
 180         $(git -C file_parent rev-parse refs/heads/main)$(printf "\t")refs/heads/main
 181         EOF
 182
 183         test_cmp expect actual &&
 184         grep "server-option=hello" log &&
 185         grep "server-option=world" log
 186 '
 187
 188 test_expect_success 'warn if using server-option with ls-remote with legacy protocol' '
 189         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -c protocol.version=0 \
 190                 ls-remote -o hello -o world "file://$(pwd)/file_parent" main 2>err &&
 191
 192         test_i18ngrep "see protocol.version in" err &&
 193         test_i18ngrep "server options require protocol version 2 or later" err
 194 '
 195
 196 test_expect_success 'clone with file:// using protocol v2' '
 197         test_when_finished "rm -f log" &&
 198
 199         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 200                 clone "file://$(pwd)/file_parent" file_child &&
 201
 202         git -C file_child log -1 --format=%s >actual &&
 203         git -C file_parent log -1 --format=%s >expect &&
 204         test_cmp expect actual &&
 205
 206         # Server responded using protocol v2
 207         grep "clone< version 2" log &&
 208
 209         # Client sent ref-prefixes to filter the ref-advertisement
 210         grep "ref-prefix HEAD" log &&
 211         grep "ref-prefix refs/heads/" log &&
 212         grep "ref-prefix refs/tags/" log
 213 '
 214
 215 test_expect_success 'clone of empty repo propagates name of default branch' '
 216         test_when_finished "rm -rf file_empty_parent file_empty_child" &&
 217
 218         GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
 219         git -c init.defaultBranch=mydefaultbranch init file_empty_parent &&
 220
 221         GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
 222         git -c init.defaultBranch=main -c protocol.version=2 \
 223                 clone "file://$(pwd)/file_empty_parent" file_empty_child &&
 224         grep "refs/heads/mydefaultbranch" file_empty_child/.git/HEAD
 225 '
 226
 227 test_expect_success '...but not if explicitly forbidden by config' '
 228         test_when_finished "rm -rf file_empty_parent file_empty_child" &&
 229
 230         GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
 231         git -c init.defaultBranch=mydefaultbranch init file_empty_parent &&
 232         test_config -C file_empty_parent lsrefs.unborn ignore &&
 233
 234         GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
 235         git -c init.defaultBranch=main -c protocol.version=2 \
 236                 clone "file://$(pwd)/file_empty_parent" file_empty_child &&
 237         ! grep "refs/heads/mydefaultbranch" file_empty_child/.git/HEAD
 238 '
 239
 240 test_expect_success 'bare clone propagates empty default branch' '
 241         test_when_finished "rm -rf file_empty_parent file_empty_child.git" &&
 242
 243         GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
 244         git -c init.defaultBranch=mydefaultbranch init file_empty_parent &&
 245
 246         GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME= \
 247         git -c init.defaultBranch=main -c protocol.version=2 \
 248                 clone --bare \
 249                 "file://$(pwd)/file_empty_parent" file_empty_child.git &&
 250         grep "refs/heads/mydefaultbranch" file_empty_child.git/HEAD
 251 '
 252
 253 test_expect_success 'fetch with file:// using protocol v2' '
 254         test_when_finished "rm -f log" &&
 255
 256         test_commit -C file_parent two &&
 257
 258         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 259                 fetch origin &&
 260
 261         git -C file_child log -1 --format=%s origin/main >actual &&
 262         git -C file_parent log -1 --format=%s >expect &&
 263         test_cmp expect actual &&
 264
 265         # Server responded using protocol v2
 266         grep "fetch< version 2" log
 267 '
 268
 269 test_expect_success 'ref advertisement is filtered during fetch using protocol v2' '
 270         test_when_finished "rm -f log" &&
 271
 272         test_commit -C file_parent three &&
 273         git -C file_parent branch unwanted-branch three &&
 274
 275         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 276                 fetch origin main &&
 277
 278         git -C file_child log -1 --format=%s origin/main >actual &&
 279         git -C file_parent log -1 --format=%s >expect &&
 280         test_cmp expect actual &&
 281
 282         grep "refs/heads/main" log &&
 283         ! grep "refs/heads/unwanted-branch" log
 284 '
 285
 286 test_expect_success 'server-options are sent when fetching' '
 287         test_when_finished "rm -f log" &&
 288
 289         test_commit -C file_parent four &&
 290
 291         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 292                 fetch -o hello -o world origin main &&
 293
 294         git -C file_child log -1 --format=%s origin/main >actual &&
 295         git -C file_parent log -1 --format=%s >expect &&
 296         test_cmp expect actual &&
 297
 298         grep "server-option=hello" log &&
 299         grep "server-option=world" log
 300 '
 301
 302 test_expect_success 'warn if using server-option with fetch with legacy protocol' '
 303         test_when_finished "rm -rf temp_child" &&
 304
 305         git init temp_child &&
 306
 307         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -C temp_child -c protocol.version=0 \
 308                 fetch -o hello -o world "file://$(pwd)/file_parent" main 2>err &&
 309
 310         test_i18ngrep "see protocol.version in" err &&
 311         test_i18ngrep "server options require protocol version 2 or later" err
 312 '
 313
 314 test_expect_success 'server-options are sent when cloning' '
 315         test_when_finished "rm -rf log myclone" &&
 316
 317         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 318                 clone --server-option=hello --server-option=world \
 319                 "file://$(pwd)/file_parent" myclone &&
 320
 321         grep "server-option=hello" log &&
 322         grep "server-option=world" log
 323 '
 324
 325 test_expect_success 'warn if using server-option with clone with legacy protocol' '
 326         test_when_finished "rm -rf myclone" &&
 327
 328         test_must_fail env GIT_TEST_PROTOCOL_VERSION=0 git -c protocol.version=0 \
 329                 clone --server-option=hello --server-option=world \
 330                 "file://$(pwd)/file_parent" myclone 2>err &&
 331
 332         test_i18ngrep "see protocol.version in" err &&
 333         test_i18ngrep "server options require protocol version 2 or later" err
 334 '
 335
 336 test_expect_success 'upload-pack respects config using protocol v2' '
 337         git init server &&
 338         write_script server/.git/hook <<-\EOF &&
 339                 touch hookout
 340                 "$@"
 341         EOF
 342         test_commit -C server one &&
 343
 344         test_config_global uploadpack.packobjectshook ./hook &&
 345         test_path_is_missing server/.git/hookout &&
 346         git -c protocol.version=2 clone "file://$(pwd)/server" client &&
 347         test_path_is_file server/.git/hookout
 348 '
 349
 350 test_expect_success 'setup filter tests' '
 351         rm -rf server client &&
 352         git init server &&
 353
 354         # 1 commit to create a file, and 1 commit to modify it
 355         test_commit -C server message1 a.txt &&
 356         test_commit -C server message2 a.txt &&
 357         git -C server config protocol.version 2 &&
 358         git -C server config uploadpack.allowfilter 1 &&
 359         git -C server config uploadpack.allowanysha1inwant 1 &&
 360         git -C server config protocol.version 2
 361 '
 362
 363 test_expect_success 'partial clone' '
 364         GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
 365                 clone --filter=blob:none "file://$(pwd)/server" client &&
 366         grep "version 2" trace &&
 367
 368         # Ensure that the old version of the file is missing
 369         git -C client rev-list --quiet --objects --missing=print main \
 370                 >observed.oids &&
 371         grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
 372
 373         # Ensure that client passes fsck
 374         git -C client fsck
 375 '
 376
 377 test_expect_success 'dynamically fetch missing object' '
 378         rm "$(pwd)/trace" &&
 379         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 380                 cat-file -p $(git -C server rev-parse message1:a.txt) &&
 381         grep "version 2" trace
 382 '
 383
 384 test_expect_success 'when dynamically fetching missing object, do not list refs' '
 385         ! grep "git> command=ls-refs" trace
 386 '
 387
 388 test_expect_success 'partial fetch' '
 389         rm -rf client "$(pwd)/trace" &&
 390         git init client &&
 391         SERVER="file://$(pwd)/server" &&
 392
 393         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 394                 fetch --filter=blob:none "$SERVER" main:refs/heads/other &&
 395         grep "version 2" trace &&
 396
 397         # Ensure that the old version of the file is missing
 398         git -C client rev-list --quiet --objects --missing=print other \
 399                 >observed.oids &&
 400         grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
 401
 402         # Ensure that client passes fsck
 403         git -C client fsck
 404 '
 405
 406 test_expect_success 'do not advertise filter if not configured to do so' '
 407         SERVER="file://$(pwd)/server" &&
 408
 409         rm "$(pwd)/trace" &&
 410         git -C server config uploadpack.allowfilter 1 &&
 411         GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
 412                 ls-remote "$SERVER" &&
 413         grep "fetch=.*filter" trace &&
 414
 415         rm "$(pwd)/trace" &&
 416         git -C server config uploadpack.allowfilter 0 &&
 417         GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
 418                 ls-remote "$SERVER" &&
 419         grep "fetch=" trace >fetch_capabilities &&
 420         ! grep filter fetch_capabilities
 421 '
 422
 423 test_expect_success 'partial clone warns if filter is not advertised' '
 424         rm -rf client &&
 425         git -C server config uploadpack.allowfilter 0 &&
 426         git -c protocol.version=2 \
 427                 clone --filter=blob:none "file://$(pwd)/server" client 2>err &&
 428         test_i18ngrep "filtering not recognized by server, ignoring" err
 429 '
 430
 431 test_expect_success 'even with handcrafted request, filter does not work if not advertised' '
 432         git -C server config uploadpack.allowfilter 0 &&
 433
 434         # Custom request that tries to filter even though it is not advertised.
 435         test-tool pkt-line pack >in <<-EOF &&
 436         command=fetch
 437         object-format=$(test_oid algo)
 438         0001
 439         want $(git -C server rev-parse main)
 440         filter blob:none
 441         0000
 442         EOF
 443
 444         test_must_fail test-tool -C server serve-v2 --stateless-rpc \
 445                 <in >/dev/null 2>err &&
 446         grep "unexpected line: .filter blob:none." err &&
 447
 448         # Exercise to ensure that if advertised, filter works
 449         git -C server config uploadpack.allowfilter 1 &&
 450         test-tool -C server serve-v2 --stateless-rpc <in >/dev/null
 451 '
 452
 453 test_expect_success 'default refspec is used to filter ref when fetchcing' '
 454         test_when_finished "rm -f log" &&
 455
 456         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 457                 fetch origin &&
 458
 459         git -C file_child log -1 --format=%s three >actual &&
 460         git -C file_parent log -1 --format=%s three >expect &&
 461         test_cmp expect actual &&
 462
 463         grep "ref-prefix refs/heads/" log &&
 464         grep "ref-prefix refs/tags/" log
 465 '
 466
 467 test_expect_success 'fetch supports various ways of have lines' '
 468         rm -rf server client trace &&
 469         git init server &&
 470         test_commit -C server dwim &&
 471         TREE=$(git -C server rev-parse HEAD^{tree}) &&
 472         git -C server tag exact \
 473                 $(git -C server commit-tree -m a "$TREE") &&
 474         git -C server tag dwim-unwanted \
 475                 $(git -C server commit-tree -m b "$TREE") &&
 476         git -C server tag exact-unwanted \
 477                 $(git -C server commit-tree -m c "$TREE") &&
 478         git -C server tag prefix1 \
 479                 $(git -C server commit-tree -m d "$TREE") &&
 480         git -C server tag prefix2 \
 481                 $(git -C server commit-tree -m e "$TREE") &&
 482         git -C server tag fetch-by-sha1 \
 483                 $(git -C server commit-tree -m f "$TREE") &&
 484         git -C server tag completely-unrelated \
 485                 $(git -C server commit-tree -m g "$TREE") &&
 486
 487         git init client &&
 488         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 489                 fetch "file://$(pwd)/server" \
 490                 dwim \
 491                 refs/tags/exact \
 492                 refs/tags/prefix*:refs/tags/prefix* \
 493                 "$(git -C server rev-parse fetch-by-sha1)" &&
 494
 495         # Ensure that the appropriate prefixes are sent (using a sample)
 496         grep "fetch> ref-prefix dwim" trace &&
 497         grep "fetch> ref-prefix refs/heads/dwim" trace &&
 498         grep "fetch> ref-prefix refs/tags/prefix" trace &&
 499
 500         # Ensure that the correct objects are returned
 501         git -C client cat-file -e $(git -C server rev-parse dwim) &&
 502         git -C client cat-file -e $(git -C server rev-parse exact) &&
 503         git -C client cat-file -e $(git -C server rev-parse prefix1) &&
 504         git -C client cat-file -e $(git -C server rev-parse prefix2) &&
 505         git -C client cat-file -e $(git -C server rev-parse fetch-by-sha1) &&
 506         test_must_fail git -C client cat-file -e \
 507                 $(git -C server rev-parse dwim-unwanted) &&
 508         test_must_fail git -C client cat-file -e \
 509                 $(git -C server rev-parse exact-unwanted) &&
 510         test_must_fail git -C client cat-file -e \
 511                 $(git -C server rev-parse completely-unrelated)
 512 '
 513
 514 test_expect_success 'fetch supports include-tag and tag following' '
 515         rm -rf server client trace &&
 516         git init server &&
 517
 518         test_commit -C server to_fetch &&
 519         git -C server tag -a annotated_tag -m message &&
 520
 521         git init client &&
 522         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 523                 fetch "$(pwd)/server" to_fetch:to_fetch &&
 524
 525         grep "fetch> ref-prefix to_fetch" trace &&
 526         grep "fetch> ref-prefix refs/tags/" trace &&
 527         grep "fetch> include-tag" trace &&
 528
 529         git -C client cat-file -e $(git -C client rev-parse annotated_tag)
 530 '
 531
 532 test_expect_success 'upload-pack respects client shallows' '
 533         rm -rf server client trace &&
 534
 535         git init server &&
 536         test_commit -C server base &&
 537         test_commit -C server client_has &&
 538
 539         git clone --depth=1 "file://$(pwd)/server" client &&
 540
 541         # Add extra commits to the client so that the whole fetch takes more
 542         # than 1 request (due to negotiation)
 543         test_commit_bulk -C client --id=c 32 &&
 544
 545         git -C server checkout -b newbranch base &&
 546         test_commit -C server client_wants &&
 547
 548         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 549                 fetch origin newbranch &&
 550         # Ensure that protocol v2 is used
 551         grep "fetch< version 2" trace
 552 '
 553
 554 test_expect_success 'ensure that multiple fetches in same process from a shallow repo works' '
 555         rm -rf server client trace &&
 556
 557         test_create_repo server &&
 558         test_commit -C server one &&
 559         test_commit -C server two &&
 560         test_commit -C server three &&
 561         git clone --shallow-exclude two "file://$(pwd)/server" client &&
 562
 563         git -C server tag -a -m "an annotated tag" twotag two &&
 564
 565         # Triggers tag following (thus, 2 fetches in one process)
 566         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 567                 fetch --shallow-exclude one origin &&
 568         # Ensure that protocol v2 is used
 569         grep "fetch< version 2" trace
 570 '
 571
 572 test_expect_success 'deepen-relative' '
 573         rm -rf server client trace &&
 574
 575         test_create_repo server &&
 576         test_commit -C server one &&
 577         test_commit -C server two &&
 578         test_commit -C server three &&
 579         git clone --depth 1 "file://$(pwd)/server" client &&
 580         test_commit -C server four &&
 581
 582         # Sanity check that only "three" is downloaded
 583         git -C client log --pretty=tformat:%s main >actual &&
 584         echo three >expected &&
 585         test_cmp expected actual &&
 586
 587         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 588                 fetch --deepen=1 origin &&
 589         # Ensure that protocol v2 is used
 590         grep "fetch< version 2" trace &&
 591
 592         git -C client log --pretty=tformat:%s origin/main >actual &&
 593         cat >expected <<-\EOF &&
 594         four
 595         three
 596         two
 597         EOF
 598         test_cmp expected actual
 599 '
 600
 601 setup_negotiate_only () {
 602         SERVER="$1"
 603         URI="$2"
 604
 605         rm -rf "$SERVER" client
 606
 607         git init "$SERVER"
 608         test_commit -C "$SERVER" one
 609         test_commit -C "$SERVER" two
 610
 611         git clone "$URI" client
 612         test_commit -C client three
 613 }
 614
 615 test_expect_success 'usage: --negotiate-only without --negotiation-tip' '
 616         SERVER="server" &&
 617         URI="file://$(pwd)/server" &&
 618
 619         setup_negotiate_only "$SERVER" "$URI" &&
 620
 621         cat >err.expect <<-\EOF &&
 622         fatal: --negotiate-only needs one or more --negotiate-tip=*
 623         EOF
 624
 625         test_must_fail git -c protocol.version=2 -C client fetch \
 626                 --negotiate-only \
 627                 origin 2>err.actual &&
 628         test_cmp err.expect err.actual
 629 '
 630
 631 test_expect_success 'file:// --negotiate-only' '
 632         SERVER="server" &&
 633         URI="file://$(pwd)/server" &&
 634
 635         setup_negotiate_only "$SERVER" "$URI" &&
 636
 637         git -c protocol.version=2 -C client fetch \
 638                 --no-tags \
 639                 --negotiate-only \
 640                 --negotiation-tip=$(git -C client rev-parse HEAD) \
 641                 origin >out &&
 642         COMMON=$(git -C "$SERVER" rev-parse two) &&
 643         grep "$COMMON" out
 644 '
 645
 646 test_expect_success 'file:// --negotiate-only with protocol v0' '
 647         SERVER="server" &&
 648         URI="file://$(pwd)/server" &&
 649
 650         setup_negotiate_only "$SERVER" "$URI" &&
 651
 652         test_must_fail git -c protocol.version=0 -C client fetch \
 653                 --no-tags \
 654                 --negotiate-only \
 655                 --negotiation-tip=$(git -C client rev-parse HEAD) \
 656                 origin 2>err &&
 657         test_i18ngrep "negotiate-only requires protocol v2" err
 658 '
 659
 660 # Test protocol v2 with 'http://' transport
 661 #
 662 . "$TEST_DIRECTORY"/lib-httpd.sh
 663 start_httpd
 664
 665 test_expect_success 'create repo to be served by http:// transport' '
 666         git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 667         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config http.receivepack true &&
 668         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one
 669 '
 670
 671 test_expect_success 'clone with http:// using protocol v2' '
 672         test_when_finished "rm -f log" &&
 673
 674         GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
 675                 clone "$HTTPD_URL/smart/http_parent" http_child &&
 676
 677         git -C http_child log -1 --format=%s >actual &&
 678         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
 679         test_cmp expect actual &&
 680
 681         # Client requested to use protocol v2
 682         grep "Git-Protocol: version=2" log &&
 683         # Server responded using protocol v2
 684         grep "git< version 2" log &&
 685         # Verify that the chunked encoding sending codepath is NOT exercised
 686         ! grep "Send header: Transfer-Encoding: chunked" log
 687 '
 688
 689 test_expect_success 'clone repository with http:// using protocol v2 with incomplete pktline length' '
 690         test_when_finished "rm -f log" &&
 691
 692         git init "$HTTPD_DOCUMENT_ROOT_PATH/incomplete_length" &&
 693         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/incomplete_length" file &&
 694
 695         test_must_fail env GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
 696                 clone "$HTTPD_URL/smart/incomplete_length" incomplete_length_child 2>err &&
 697
 698         # Client requested to use protocol v2
 699         grep "Git-Protocol: version=2" log &&
 700         # Server responded using protocol v2
 701         grep "git< version 2" log &&
 702         # Client reported appropriate failure
 703         test_i18ngrep "bytes of length header were received" err
 704 '
 705
 706 test_expect_success 'clone repository with http:// using protocol v2 with incomplete pktline body' '
 707         test_when_finished "rm -f log" &&
 708
 709         git init "$HTTPD_DOCUMENT_ROOT_PATH/incomplete_body" &&
 710         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/incomplete_body" file &&
 711
 712         test_must_fail env GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
 713                 clone "$HTTPD_URL/smart/incomplete_body" incomplete_body_child 2>err &&
 714
 715         # Client requested to use protocol v2
 716         grep "Git-Protocol: version=2" log &&
 717         # Server responded using protocol v2
 718         grep "git< version 2" log &&
 719         # Client reported appropriate failure
 720         test_i18ngrep "bytes of body are still expected" err
 721 '
 722
 723 test_expect_success 'clone with http:// using protocol v2 and invalid parameters' '
 724         test_when_finished "rm -f log" &&
 725
 726         test_must_fail env GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" \
 727                 git -c protocol.version=2 \
 728                 clone --shallow-since=20151012 "$HTTPD_URL/smart/http_parent" http_child_invalid &&
 729
 730         # Client requested to use protocol v2
 731         grep "Git-Protocol: version=2" log &&
 732         # Server responded using protocol v2
 733         grep "git< version 2" log
 734 '
 735
 736 test_expect_success 'clone big repository with http:// using protocol v2' '
 737         test_when_finished "rm -f log" &&
 738
 739         git init "$HTTPD_DOCUMENT_ROOT_PATH/big" &&
 740         # Ensure that the list of wants is greater than http.postbuffer below
 741         for i in $(test_seq 1 1500)
 742         do
 743                 # do not use here-doc, because it requires a process
 744                 # per loop iteration
 745                 echo "commit refs/heads/too-many-refs-$i" &&
 746                 echo "committer git <git@example.com> $i +0000" &&
 747                 echo "data 0" &&
 748                 echo "M 644 inline bla.txt" &&
 749                 echo "data 4" &&
 750                 echo "bla"
 751         done | git -C "$HTTPD_DOCUMENT_ROOT_PATH/big" fast-import &&
 752
 753         GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git \
 754                 -c protocol.version=2 -c http.postbuffer=65536 \
 755                 clone "$HTTPD_URL/smart/big" big_child &&
 756
 757         # Client requested to use protocol v2
 758         grep "Git-Protocol: version=2" log &&
 759         # Server responded using protocol v2
 760         grep "git< version 2" log &&
 761         # Verify that the chunked encoding sending codepath is exercised
 762         grep "Send header: Transfer-Encoding: chunked" log
 763 '
 764
 765 test_expect_success 'fetch with http:// using protocol v2' '
 766         test_when_finished "rm -f log" &&
 767
 768         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
 769
 770         GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
 771                 fetch &&
 772
 773         git -C http_child log -1 --format=%s origin/main >actual &&
 774         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
 775         test_cmp expect actual &&
 776
 777         # Server responded using protocol v2
 778         grep "git< version 2" log
 779 '
 780
 781 test_expect_success 'fetch with http:// by hash without tag following with protocol v2 does not list refs' '
 782         test_when_finished "rm -f log" &&
 783
 784         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two_a &&
 785         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" rev-parse two_a >two_a_hash &&
 786
 787         GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
 788                 fetch --no-tags origin $(cat two_a_hash) &&
 789
 790         grep "fetch< version 2" log &&
 791         ! grep "fetch> command=ls-refs" log
 792 '
 793
 794 test_expect_success 'fetch from namespaced repo respects namespaces' '
 795         test_when_finished "rm -f log" &&
 796
 797         git init "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" &&
 798         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" one &&
 799         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" two &&
 800         git -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" \
 801                 update-ref refs/namespaces/ns/refs/heads/main one &&
 802
 803         GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
 804                 fetch "$HTTPD_URL/smart_namespace/nsrepo" \
 805                 refs/heads/main:refs/heads/theirs &&
 806
 807         # Server responded using protocol v2
 808         grep "fetch< version 2" log &&
 809
 810         git -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" rev-parse one >expect &&
 811         git -C http_child rev-parse theirs >actual &&
 812         test_cmp expect actual
 813 '
 814
 815 test_expect_success 'ls-remote with v2 http sends only one POST' '
 816         test_when_finished "rm -f log" &&
 817
 818         git ls-remote "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" >expect &&
 819         GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
 820                 ls-remote "$HTTPD_URL/smart/http_parent" >actual &&
 821         test_cmp expect actual &&
 822
 823         grep "Send header: POST" log >posts &&
 824         test_line_count = 1 posts
 825 '
 826
 827 test_expect_success 'push with http:// and a config of v2 does not request v2' '
 828         test_when_finished "rm -f log" &&
 829         # Till v2 for push is designed, make sure that if a client has
 830         # protocol.version configured to use v2, that the client instead falls
 831         # back and uses v0.
 832
 833         test_commit -C http_child three &&
 834
 835         # Push to another branch, as the target repository has the
 836         # main branch checked out and we cannot push into it.
 837         GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
 838                 push origin HEAD:client_branch &&
 839
 840         git -C http_child log -1 --format=%s >actual &&
 841         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s client_branch >expect &&
 842         test_cmp expect actual &&
 843
 844         # Client did not request to use protocol v2
 845         ! grep "Git-Protocol: version=2" log &&
 846         # Server did not respond using protocol v2
 847         ! grep "git< version 2" log
 848 '
 849
 850 test_expect_success 'when server sends "ready", expect DELIM' '
 851         rm -rf "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" http_child &&
 852
 853         git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 854         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one &&
 855
 856         git clone "$HTTPD_URL/smart/http_parent" http_child &&
 857
 858         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
 859
 860         # After "ready" in the acknowledgments section, pretend that a FLUSH
 861         # (0000) was sent instead of a DELIM (0001).
 862         printf "\$ready = 1 if /ready/; \$ready && s/0001/0000/" \
 863                 >"$HTTPD_ROOT_PATH/one-time-perl" &&
 864
 865         test_must_fail git -C http_child -c protocol.version=2 \
 866                 fetch "$HTTPD_URL/one_time_perl/http_parent" 2> err &&
 867         test_i18ngrep "expected packfile to be sent after .ready." err
 868 '
 869
 870 test_expect_success 'when server does not send "ready", expect FLUSH' '
 871         rm -rf "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" http_child log &&
 872
 873         git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 874         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one &&
 875
 876         git clone "$HTTPD_URL/smart/http_parent" http_child &&
 877
 878         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
 879
 880         # Create many commits to extend the negotiation phase across multiple
 881         # requests, so that the server does not send "ready" in the first
 882         # request.
 883         test_commit_bulk -C http_child --id=c 32 &&
 884
 885         # After the acknowledgments section, pretend that a DELIM
 886         # (0001) was sent instead of a FLUSH (0000).
 887         printf "\$ack = 1 if /acknowledgments/; \$ack && s/0000/0001/" \
 888                 >"$HTTPD_ROOT_PATH/one-time-perl" &&
 889
 890         test_must_fail env GIT_TRACE_PACKET="$(pwd)/log" git -C http_child \
 891                 -c protocol.version=2 \
 892                 fetch "$HTTPD_URL/one_time_perl/http_parent" 2> err &&
 893         grep "fetch< .*acknowledgments" log &&
 894         ! grep "fetch< .*ready" log &&
 895         test_i18ngrep "expected no other sections to be sent after no .ready." err
 896 '
 897
 898 configure_exclusion () {
 899         git -C "$1" hash-object "$2" >objh &&
 900         git -C "$1" pack-objects "$HTTPD_DOCUMENT_ROOT_PATH/mypack" <objh >packh &&
 901         git -C "$1" config --add \
 902                 "uploadpack.blobpackfileuri" \
 903                 "$(cat objh) $(cat packh) $HTTPD_URL/dumb/mypack-$(cat packh).pack" &&
 904         cat objh
 905 }
 906
 907 test_expect_success 'part of packfile response provided as URI' '
 908         P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 909         rm -rf "$P" http_child log &&
 910
 911         git init "$P" &&
 912         git -C "$P" config "uploadpack.allowsidebandall" "true" &&
 913
 914         echo my-blob >"$P/my-blob" &&
 915         git -C "$P" add my-blob &&
 916         echo other-blob >"$P/other-blob" &&
 917         git -C "$P" add other-blob &&
 918         git -C "$P" commit -m x &&
 919
 920         configure_exclusion "$P" my-blob >h &&
 921         configure_exclusion "$P" other-blob >h2 &&
 922
 923         GIT_TRACE=1 GIT_TRACE_PACKET="$(pwd)/log" GIT_TEST_SIDEBAND_ALL=1 \
 924         git -c protocol.version=2 \
 925                 -c fetch.uriprotocols=http,https \
 926                 clone "$HTTPD_URL/smart/http_parent" http_child &&
 927
 928         # Ensure that my-blob and other-blob are in separate packfiles.
 929         for idx in http_child/.git/objects/pack/*.idx
 930         do
 931                 git verify-pack --object-format=$(test_oid algo) --verbose $idx >out &&
 932                 {
 933                         grep "^[0-9a-f]\{16,\} " out || :
 934                 } >out.objectlist &&
 935                 if test_line_count = 1 out.objectlist
 936                 then
 937                         if grep $(cat h) out
 938                         then
 939                                 >hfound
 940                         fi &&
 941                         if grep $(cat h2) out
 942                         then
 943                                 >h2found
 944                         fi
 945                 fi
 946         done &&
 947         test -f hfound &&
 948         test -f h2found &&
 949
 950         # Ensure that there are exactly 3 packfiles with associated .idx
 951         ls http_child/.git/objects/pack/*.pack \
 952             http_child/.git/objects/pack/*.idx >filelist &&
 953         test_line_count = 6 filelist
 954 '
 955
 956 test_expect_success 'packfile URIs with fetch instead of clone' '
 957         P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 958         rm -rf "$P" http_child log &&
 959
 960         git init "$P" &&
 961         git -C "$P" config "uploadpack.allowsidebandall" "true" &&
 962
 963         echo my-blob >"$P/my-blob" &&
 964         git -C "$P" add my-blob &&
 965         git -C "$P" commit -m x &&
 966
 967         configure_exclusion "$P" my-blob >h &&
 968
 969         git init http_child &&
 970
 971         GIT_TEST_SIDEBAND_ALL=1 \
 972         git -C http_child -c protocol.version=2 \
 973                 -c fetch.uriprotocols=http,https \
 974                 fetch "$HTTPD_URL/smart/http_parent"
 975 '
 976
 977 test_expect_success 'fetching with valid packfile URI but invalid hash fails' '
 978         P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 979         rm -rf "$P" http_child log &&
 980
 981         git init "$P" &&
 982         git -C "$P" config "uploadpack.allowsidebandall" "true" &&
 983
 984         echo my-blob >"$P/my-blob" &&
 985         git -C "$P" add my-blob &&
 986         echo other-blob >"$P/other-blob" &&
 987         git -C "$P" add other-blob &&
 988         git -C "$P" commit -m x &&
 989
 990         configure_exclusion "$P" my-blob >h &&
 991         # Configure a URL for other-blob. Just reuse the hash of the object as
 992         # the hash of the packfile, since the hash does not matter for this
 993         # test as long as it is not the hash of the pack, and it is of the
 994         # expected length.
 995         git -C "$P" hash-object other-blob >objh &&
 996         git -C "$P" pack-objects "$HTTPD_DOCUMENT_ROOT_PATH/mypack" <objh >packh &&
 997         git -C "$P" config --add \
 998                 "uploadpack.blobpackfileuri" \
 999                 "$(cat objh) $(cat objh) $HTTPD_URL/dumb/mypack-$(cat packh).pack" &&
1000
1001         test_must_fail env GIT_TEST_SIDEBAND_ALL=1 \
1002                 git -c protocol.version=2 \
1003                 -c fetch.uriprotocols=http,https \
1004                 clone "$HTTPD_URL/smart/http_parent" http_child 2>err &&
1005         test_i18ngrep "pack downloaded from.*does not match expected hash" err
1006 '
1007
1008 test_expect_success 'packfile-uri with transfer.fsckobjects' '
1009         P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
1010         rm -rf "$P" http_child log &&
1011
1012         git init "$P" &&
1013         git -C "$P" config "uploadpack.allowsidebandall" "true" &&
1014
1015         echo my-blob >"$P/my-blob" &&
1016         git -C "$P" add my-blob &&
1017         git -C "$P" commit -m x &&
1018
1019         configure_exclusion "$P" my-blob >h &&
1020
1021         sane_unset GIT_TEST_SIDEBAND_ALL &&
1022         git -c protocol.version=2 -c transfer.fsckobjects=1 \
1023                 -c fetch.uriprotocols=http,https \
1024                 clone "$HTTPD_URL/smart/http_parent" http_child &&
1025
1026         # Ensure that there are exactly 2 packfiles with associated .idx
1027         ls http_child/.git/objects/pack/*.pack \
1028             http_child/.git/objects/pack/*.idx >filelist &&
1029         test_line_count = 4 filelist
1030 '
1031
1032 test_expect_success 'packfile-uri with transfer.fsckobjects fails on bad object' '
1033         P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
1034         rm -rf "$P" http_child log &&
1035
1036         git init "$P" &&
1037         git -C "$P" config "uploadpack.allowsidebandall" "true" &&
1038
1039         cat >bogus-commit <<-EOF &&
1040         tree $EMPTY_TREE
1041         author Bugs Bunny 1234567890 +0000
1042         committer Bugs Bunny <bugs@bun.ni> 1234567890 +0000
1043
1044         This commit object intentionally broken
1045         EOF
1046         BOGUS=$(git -C "$P" hash-object -t commit -w --stdin <bogus-commit) &&
1047         git -C "$P" branch bogus-branch "$BOGUS" &&
1048
1049         echo my-blob >"$P/my-blob" &&
1050         git -C "$P" add my-blob &&
1051         git -C "$P" commit -m x &&
1052
1053         configure_exclusion "$P" my-blob >h &&
1054
1055         sane_unset GIT_TEST_SIDEBAND_ALL &&
1056         test_must_fail git -c protocol.version=2 -c transfer.fsckobjects=1 \
1057                 -c fetch.uriprotocols=http,https \
1058                 clone "$HTTPD_URL/smart/http_parent" http_child 2>error &&
1059         test_i18ngrep "invalid author/committer line - missing email" error
1060 '
1061
1062 test_expect_success 'packfile-uri with transfer.fsckobjects succeeds when .gitmodules is separate from tree' '
1063         P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
1064         rm -rf "$P" http_child &&
1065
1066         git init "$P" &&
1067         git -C "$P" config "uploadpack.allowsidebandall" "true" &&
1068
1069         echo "[submodule libfoo]" >"$P/.gitmodules" &&
1070         echo "path = include/foo" >>"$P/.gitmodules" &&
1071         echo "url = git://example.com/git/lib.git" >>"$P/.gitmodules" &&
1072         git -C "$P" add .gitmodules &&
1073         git -C "$P" commit -m x &&
1074
1075         configure_exclusion "$P" .gitmodules >h &&
1076
1077         sane_unset GIT_TEST_SIDEBAND_ALL &&
1078         git -c protocol.version=2 -c transfer.fsckobjects=1 \
1079                 -c fetch.uriprotocols=http,https \
1080                 clone "$HTTPD_URL/smart/http_parent" http_child &&
1081
1082         # Ensure that there are exactly 2 packfiles with associated .idx
1083         ls http_child/.git/objects/pack/*.pack \
1084             http_child/.git/objects/pack/*.idx >filelist &&
1085         test_line_count = 4 filelist
1086 '
1087
1088 test_expect_success 'packfile-uri with transfer.fsckobjects fails when .gitmodules separate from tree is invalid' '
1089         P="$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
1090         rm -rf "$P" http_child err &&
1091
1092         git init "$P" &&
1093         git -C "$P" config "uploadpack.allowsidebandall" "true" &&
1094
1095         echo "[submodule \"..\"]" >"$P/.gitmodules" &&
1096         echo "path = include/foo" >>"$P/.gitmodules" &&
1097         echo "url = git://example.com/git/lib.git" >>"$P/.gitmodules" &&
1098         git -C "$P" add .gitmodules &&
1099         git -C "$P" commit -m x &&
1100
1101         configure_exclusion "$P" .gitmodules >h &&
1102
1103         sane_unset GIT_TEST_SIDEBAND_ALL &&
1104         test_must_fail git -c protocol.version=2 -c transfer.fsckobjects=1 \
1105                 -c fetch.uriprotocols=http,https \
1106                 clone "$HTTPD_URL/smart/http_parent" http_child 2>err &&
1107         test_i18ngrep "disallowed submodule name" err
1108 '
1109
1110 test_expect_success 'http:// --negotiate-only' '
1111         SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
1112         URI="$HTTPD_URL/smart/server" &&
1113
1114         setup_negotiate_only "$SERVER" "$URI" &&
1115
1116         git -c protocol.version=2 -C client fetch \
1117                 --no-tags \
1118                 --negotiate-only \
1119                 --negotiation-tip=$(git -C client rev-parse HEAD) \
1120                 origin >out &&
1121         COMMON=$(git -C "$SERVER" rev-parse two) &&
1122         grep "$COMMON" out
1123 '
1124
1125 test_expect_success 'http:// --negotiate-only without wait-for-done support' '
1126         SERVER="server" &&
1127         URI="$HTTPD_URL/one_time_perl/server" &&
1128
1129         setup_negotiate_only "$SERVER" "$URI" &&
1130
1131         echo "s/ wait-for-done/ xxxx-xxx-xxxx/" \
1132                 >"$HTTPD_ROOT_PATH/one-time-perl" &&
1133
1134         test_must_fail git -c protocol.version=2 -C client fetch \
1135                 --no-tags \
1136                 --negotiate-only \
1137                 --negotiation-tip=$(git -C client rev-parse HEAD) \
1138                 origin 2>err &&
1139         test_i18ngrep "server does not support wait-for-done" err
1140 '
1141
1142 test_expect_success 'http:// --negotiate-only with protocol v0' '
1143         SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
1144         URI="$HTTPD_URL/smart/server" &&
1145
1146         setup_negotiate_only "$SERVER" "$URI" &&
1147
1148         test_must_fail git -c protocol.version=0 -C client fetch \
1149                 --no-tags \
1150                 --negotiate-only \
1151                 --negotiation-tip=$(git -C client rev-parse HEAD) \
1152                 origin 2>err &&
1153         test_i18ngrep "negotiate-only requires protocol v2" err
1154 '
1155
1156 # DO NOT add non-httpd-specific tests here, because the last part of this
1157 # test script is only executed when httpd is available and enabled.
1158
1159 test_done