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 . ./test-lib.sh
   8
   9 # Test protocol v2 with 'git://' transport
  10 #
  11 . "$TEST_DIRECTORY"/lib-git-daemon.sh
  12 start_git_daemon --export-all --enable=receive-pack
  13 daemon_parent=$GIT_DAEMON_DOCUMENT_ROOT_PATH/parent
  14
  15 test_expect_success 'create repo to be served by git-daemon' '
  16         git init "$daemon_parent" &&
  17         test_commit -C "$daemon_parent" one
  18 '
  19
  20 test_expect_success 'list refs with git:// using protocol v2' '
  21         test_when_finished "rm -f log" &&
  22
  23         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
  24                 ls-remote --symref "$GIT_DAEMON_URL/parent" >actual &&
  25
  26         # Client requested to use protocol v2
  27         grep "git> .*\\\0\\\0version=2\\\0$" log &&
  28         # Server responded using protocol v2
  29         grep "git< version 2" log &&
  30
  31         git ls-remote --symref "$GIT_DAEMON_URL/parent" >expect &&
  32         test_cmp expect actual
  33 '
  34
  35 test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
  36         test_when_finished "rm -f log" &&
  37
  38         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
  39                 ls-remote "$GIT_DAEMON_URL/parent" master >actual &&
  40
  41         cat >expect <<-EOF &&
  42         $(git -C "$daemon_parent" rev-parse refs/heads/master)$(printf "\t")refs/heads/master
  43         EOF
  44
  45         test_cmp expect actual
  46 '
  47
  48 test_expect_success 'clone with git:// using protocol v2' '
  49         test_when_finished "rm -f log" &&
  50
  51         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
  52                 clone "$GIT_DAEMON_URL/parent" daemon_child &&
  53
  54         git -C daemon_child log -1 --format=%s >actual &&
  55         git -C "$daemon_parent" log -1 --format=%s >expect &&
  56         test_cmp expect actual &&
  57
  58         # Client requested to use protocol v2
  59         grep "clone> .*\\\0\\\0version=2\\\0$" log &&
  60         # Server responded using protocol v2
  61         grep "clone< version 2" log
  62 '
  63
  64 test_expect_success 'fetch with git:// using protocol v2' '
  65         test_when_finished "rm -f log" &&
  66
  67         test_commit -C "$daemon_parent" two &&
  68
  69         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
  70                 fetch &&
  71
  72         git -C daemon_child log -1 --format=%s origin/master >actual &&
  73         git -C "$daemon_parent" log -1 --format=%s >expect &&
  74         test_cmp expect actual &&
  75
  76         # Client requested to use protocol v2
  77         grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
  78         # Server responded using protocol v2
  79         grep "fetch< version 2" log
  80 '
  81
  82 test_expect_success 'fetch by hash without tag following with protocol v2 does not list refs' '
  83         test_when_finished "rm -f log" &&
  84
  85         test_commit -C "$daemon_parent" two_a &&
  86         git -C "$daemon_parent" rev-parse two_a >two_a_hash &&
  87
  88         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
  89                 fetch --no-tags origin $(cat two_a_hash) &&
  90
  91         grep "fetch< version 2" log &&
  92         ! grep "fetch> command=ls-refs" log
  93 '
  94
  95 test_expect_success 'pull with git:// using protocol v2' '
  96         test_when_finished "rm -f log" &&
  97
  98         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
  99                 pull &&
 100
 101         git -C daemon_child log -1 --format=%s >actual &&
 102         git -C "$daemon_parent" log -1 --format=%s >expect &&
 103         test_cmp expect actual &&
 104
 105         # Client requested to use protocol v2
 106         grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
 107         # Server responded using protocol v2
 108         grep "fetch< version 2" log
 109 '
 110
 111 test_expect_success 'push with git:// and a config of v2 does not request v2' '
 112         test_when_finished "rm -f log" &&
 113
 114         # Till v2 for push is designed, make sure that if a client has
 115         # protocol.version configured to use v2, that the client instead falls
 116         # back and uses v0.
 117
 118         test_commit -C daemon_child three &&
 119
 120         # Push to another branch, as the target repository has the
 121         # master branch checked out and we cannot push into it.
 122         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
 123                 push origin HEAD:client_branch &&
 124
 125         git -C daemon_child log -1 --format=%s >actual &&
 126         git -C "$daemon_parent" log -1 --format=%s client_branch >expect &&
 127         test_cmp expect actual &&
 128
 129         # Client requested to use protocol v2
 130         ! grep "push> .*\\\0\\\0version=2\\\0$" log &&
 131         # Server responded using protocol v2
 132         ! grep "push< version 2" log
 133 '
 134
 135 stop_git_daemon
 136
 137 # Test protocol v2 with 'file://' transport
 138 #
 139 test_expect_success 'create repo to be served by file:// transport' '
 140         git init file_parent &&
 141         test_commit -C file_parent one
 142 '
 143
 144 test_expect_success 'list refs with file:// using protocol v2' '
 145         test_when_finished "rm -f log" &&
 146
 147         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 148                 ls-remote --symref "file://$(pwd)/file_parent" >actual &&
 149
 150         # Server responded using protocol v2
 151         grep "git< version 2" log &&
 152
 153         git ls-remote --symref "file://$(pwd)/file_parent" >expect &&
 154         test_cmp expect actual
 155 '
 156
 157 test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
 158         test_when_finished "rm -f log" &&
 159
 160         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 161                 ls-remote "file://$(pwd)/file_parent" master >actual &&
 162
 163         cat >expect <<-EOF &&
 164         $(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
 165         EOF
 166
 167         test_cmp expect actual
 168 '
 169
 170 test_expect_success 'server-options are sent when using ls-remote' '
 171         test_when_finished "rm -f log" &&
 172
 173         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 174                 ls-remote -o hello -o world "file://$(pwd)/file_parent" master >actual &&
 175
 176         cat >expect <<-EOF &&
 177         $(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
 178         EOF
 179
 180         test_cmp expect actual &&
 181         grep "server-option=hello" log &&
 182         grep "server-option=world" log
 183 '
 184
 185
 186 test_expect_success 'clone with file:// using protocol v2' '
 187         test_when_finished "rm -f log" &&
 188
 189         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 190                 clone "file://$(pwd)/file_parent" file_child &&
 191
 192         git -C file_child log -1 --format=%s >actual &&
 193         git -C file_parent log -1 --format=%s >expect &&
 194         test_cmp expect actual &&
 195
 196         # Server responded using protocol v2
 197         grep "clone< version 2" log &&
 198
 199         # Client sent ref-prefixes to filter the ref-advertisement
 200         grep "ref-prefix HEAD" log &&
 201         grep "ref-prefix refs/heads/" log &&
 202         grep "ref-prefix refs/tags/" log
 203 '
 204
 205 test_expect_success 'fetch with file:// using protocol v2' '
 206         test_when_finished "rm -f log" &&
 207
 208         test_commit -C file_parent two &&
 209
 210         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 211                 fetch origin &&
 212
 213         git -C file_child log -1 --format=%s origin/master >actual &&
 214         git -C file_parent log -1 --format=%s >expect &&
 215         test_cmp expect actual &&
 216
 217         # Server responded using protocol v2
 218         grep "fetch< version 2" log
 219 '
 220
 221 test_expect_success 'ref advertisment is filtered during fetch using protocol v2' '
 222         test_when_finished "rm -f log" &&
 223
 224         test_commit -C file_parent three &&
 225         git -C file_parent branch unwanted-branch three &&
 226
 227         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 228                 fetch origin master &&
 229
 230         git -C file_child log -1 --format=%s origin/master >actual &&
 231         git -C file_parent log -1 --format=%s >expect &&
 232         test_cmp expect actual &&
 233
 234         grep "refs/heads/master" log &&
 235         ! grep "refs/heads/unwanted-branch" log
 236 '
 237
 238 test_expect_success 'server-options are sent when fetching' '
 239         test_when_finished "rm -f log" &&
 240
 241         test_commit -C file_parent four &&
 242
 243         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 244                 fetch -o hello -o world origin master &&
 245
 246         git -C file_child log -1 --format=%s origin/master >actual &&
 247         git -C file_parent log -1 --format=%s >expect &&
 248         test_cmp expect actual &&
 249
 250         grep "server-option=hello" log &&
 251         grep "server-option=world" log
 252 '
 253
 254 test_expect_success 'upload-pack respects config using protocol v2' '
 255         git init server &&
 256         write_script server/.git/hook <<-\EOF &&
 257                 touch hookout
 258                 "$@"
 259         EOF
 260         test_commit -C server one &&
 261
 262         test_config_global uploadpack.packobjectshook ./hook &&
 263         test_path_is_missing server/.git/hookout &&
 264         git -c protocol.version=2 clone "file://$(pwd)/server" client &&
 265         test_path_is_file server/.git/hookout
 266 '
 267
 268 test_expect_success 'setup filter tests' '
 269         rm -rf server client &&
 270         git init server &&
 271
 272         # 1 commit to create a file, and 1 commit to modify it
 273         test_commit -C server message1 a.txt &&
 274         test_commit -C server message2 a.txt &&
 275         git -C server config protocol.version 2 &&
 276         git -C server config uploadpack.allowfilter 1 &&
 277         git -C server config uploadpack.allowanysha1inwant 1 &&
 278         git -C server config protocol.version 2
 279 '
 280
 281 test_expect_success 'partial clone' '
 282         GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
 283                 clone --filter=blob:none "file://$(pwd)/server" client &&
 284         grep "version 2" trace &&
 285
 286         # Ensure that the old version of the file is missing
 287         git -C client rev-list --quiet --objects --missing=print master \
 288                 >observed.oids &&
 289         grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
 290
 291         # Ensure that client passes fsck
 292         git -C client fsck
 293 '
 294
 295 test_expect_success 'dynamically fetch missing object' '
 296         rm "$(pwd)/trace" &&
 297         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 298                 cat-file -p $(git -C server rev-parse message1:a.txt) &&
 299         grep "version 2" trace
 300 '
 301
 302 test_expect_success 'when dynamically fetching missing object, do not list refs' '
 303         ! grep "git> command=ls-refs" trace
 304 '
 305
 306 test_expect_success 'partial fetch' '
 307         rm -rf client "$(pwd)/trace" &&
 308         git init client &&
 309         SERVER="file://$(pwd)/server" &&
 310         test_config -C client extensions.partialClone "$SERVER" &&
 311
 312         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 313                 fetch --filter=blob:none "$SERVER" master:refs/heads/other &&
 314         grep "version 2" trace &&
 315
 316         # Ensure that the old version of the file is missing
 317         git -C client rev-list --quiet --objects --missing=print other \
 318                 >observed.oids &&
 319         grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
 320
 321         # Ensure that client passes fsck
 322         git -C client fsck
 323 '
 324
 325 test_expect_success 'do not advertise filter if not configured to do so' '
 326         SERVER="file://$(pwd)/server" &&
 327
 328         rm "$(pwd)/trace" &&
 329         git -C server config uploadpack.allowfilter 1 &&
 330         GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
 331                 ls-remote "$SERVER" &&
 332         grep "fetch=.*filter" trace &&
 333
 334         rm "$(pwd)/trace" &&
 335         git -C server config uploadpack.allowfilter 0 &&
 336         GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
 337                 ls-remote "$SERVER" &&
 338         grep "fetch=" trace >fetch_capabilities &&
 339         ! grep filter fetch_capabilities
 340 '
 341
 342 test_expect_success 'partial clone warns if filter is not advertised' '
 343         rm -rf client &&
 344         git -C server config uploadpack.allowfilter 0 &&
 345         git -c protocol.version=2 \
 346                 clone --filter=blob:none "file://$(pwd)/server" client 2>err &&
 347         test_i18ngrep "filtering not recognized by server, ignoring" err
 348 '
 349
 350 test_expect_success 'even with handcrafted request, filter does not work if not advertised' '
 351         git -C server config uploadpack.allowfilter 0 &&
 352
 353         # Custom request that tries to filter even though it is not advertised.
 354         test-tool pkt-line pack >in <<-EOF &&
 355         command=fetch
 356         0001
 357         want $(git -C server rev-parse master)
 358         filter blob:none
 359         0000
 360         EOF
 361
 362         test_must_fail git -C server serve --stateless-rpc <in >/dev/null 2>err &&
 363         grep "unexpected line: .filter blob:none." err &&
 364
 365         # Exercise to ensure that if advertised, filter works
 366         git -C server config uploadpack.allowfilter 1 &&
 367         git -C server serve --stateless-rpc <in >/dev/null
 368 '
 369
 370 test_expect_success 'default refspec is used to filter ref when fetchcing' '
 371         test_when_finished "rm -f log" &&
 372
 373         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 374                 fetch origin &&
 375
 376         git -C file_child log -1 --format=%s three >actual &&
 377         git -C file_parent log -1 --format=%s three >expect &&
 378         test_cmp expect actual &&
 379
 380         grep "ref-prefix refs/heads/" log &&
 381         grep "ref-prefix refs/tags/" log
 382 '
 383
 384 test_expect_success 'fetch supports various ways of have lines' '
 385         rm -rf server client trace &&
 386         git init server &&
 387         test_commit -C server dwim &&
 388         TREE=$(git -C server rev-parse HEAD^{tree}) &&
 389         git -C server tag exact \
 390                 $(git -C server commit-tree -m a "$TREE") &&
 391         git -C server tag dwim-unwanted \
 392                 $(git -C server commit-tree -m b "$TREE") &&
 393         git -C server tag exact-unwanted \
 394                 $(git -C server commit-tree -m c "$TREE") &&
 395         git -C server tag prefix1 \
 396                 $(git -C server commit-tree -m d "$TREE") &&
 397         git -C server tag prefix2 \
 398                 $(git -C server commit-tree -m e "$TREE") &&
 399         git -C server tag fetch-by-sha1 \
 400                 $(git -C server commit-tree -m f "$TREE") &&
 401         git -C server tag completely-unrelated \
 402                 $(git -C server commit-tree -m g "$TREE") &&
 403
 404         git init client &&
 405         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 406                 fetch "file://$(pwd)/server" \
 407                 dwim \
 408                 refs/tags/exact \
 409                 refs/tags/prefix*:refs/tags/prefix* \
 410                 "$(git -C server rev-parse fetch-by-sha1)" &&
 411
 412         # Ensure that the appropriate prefixes are sent (using a sample)
 413         grep "fetch> ref-prefix dwim" trace &&
 414         grep "fetch> ref-prefix refs/heads/dwim" trace &&
 415         grep "fetch> ref-prefix refs/tags/prefix" trace &&
 416
 417         # Ensure that the correct objects are returned
 418         git -C client cat-file -e $(git -C server rev-parse dwim) &&
 419         git -C client cat-file -e $(git -C server rev-parse exact) &&
 420         git -C client cat-file -e $(git -C server rev-parse prefix1) &&
 421         git -C client cat-file -e $(git -C server rev-parse prefix2) &&
 422         git -C client cat-file -e $(git -C server rev-parse fetch-by-sha1) &&
 423         test_must_fail git -C client cat-file -e \
 424                 $(git -C server rev-parse dwim-unwanted) &&
 425         test_must_fail git -C client cat-file -e \
 426                 $(git -C server rev-parse exact-unwanted) &&
 427         test_must_fail git -C client cat-file -e \
 428                 $(git -C server rev-parse completely-unrelated)
 429 '
 430
 431 test_expect_success 'fetch supports include-tag and tag following' '
 432         rm -rf server client trace &&
 433         git init server &&
 434
 435         test_commit -C server to_fetch &&
 436         git -C server tag -a annotated_tag -m message &&
 437
 438         git init client &&
 439         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 440                 fetch "$(pwd)/server" to_fetch:to_fetch &&
 441
 442         grep "fetch> ref-prefix to_fetch" trace &&
 443         grep "fetch> ref-prefix refs/tags/" trace &&
 444         grep "fetch> include-tag" trace &&
 445
 446         git -C client cat-file -e $(git -C client rev-parse annotated_tag)
 447 '
 448
 449 test_expect_success 'upload-pack respects client shallows' '
 450         rm -rf server client trace &&
 451
 452         git init server &&
 453         test_commit -C server base &&
 454         test_commit -C server client_has &&
 455
 456         git clone --depth=1 "file://$(pwd)/server" client &&
 457
 458         # Add extra commits to the client so that the whole fetch takes more
 459         # than 1 request (due to negotiation)
 460         for i in $(test_seq 1 32)
 461         do
 462                 test_commit -C client c$i
 463         done &&
 464
 465         git -C server checkout -b newbranch base &&
 466         test_commit -C server client_wants &&
 467
 468         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 469                 fetch origin newbranch &&
 470         # Ensure that protocol v2 is used
 471         grep "fetch< version 2" trace
 472 '
 473
 474 test_expect_success 'ensure that multiple fetches in same process from a shallow repo works' '
 475         rm -rf server client trace &&
 476
 477         test_create_repo server &&
 478         test_commit -C server one &&
 479         test_commit -C server two &&
 480         test_commit -C server three &&
 481         git clone --shallow-exclude two "file://$(pwd)/server" client &&
 482
 483         git -C server tag -a -m "an annotated tag" twotag two &&
 484
 485         # Triggers tag following (thus, 2 fetches in one process)
 486         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 487                 fetch --shallow-exclude one origin &&
 488         # Ensure that protocol v2 is used
 489         grep "fetch< version 2" trace
 490 '
 491
 492 test_expect_success 'deepen-relative' '
 493         rm -rf server client trace &&
 494
 495         test_create_repo server &&
 496         test_commit -C server one &&
 497         test_commit -C server two &&
 498         test_commit -C server three &&
 499         git clone --depth 1 "file://$(pwd)/server" client &&
 500         test_commit -C server four &&
 501
 502         # Sanity check that only "three" is downloaded
 503         git -C client log --pretty=tformat:%s master >actual &&
 504         echo three >expected &&
 505         test_cmp expected actual &&
 506
 507         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 508                 fetch --deepen=1 origin &&
 509         # Ensure that protocol v2 is used
 510         grep "fetch< version 2" trace &&
 511
 512         git -C client log --pretty=tformat:%s origin/master >actual &&
 513         cat >expected <<-\EOF &&
 514         four
 515         three
 516         two
 517         EOF
 518         test_cmp expected actual
 519 '
 520
 521 # Test protocol v2 with 'http://' transport
 522 #
 523 . "$TEST_DIRECTORY"/lib-httpd.sh
 524 start_httpd
 525
 526 test_expect_success 'create repo to be served by http:// transport' '
 527         git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 528         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config http.receivepack true &&
 529         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one
 530 '
 531
 532 test_expect_success 'clone with http:// using protocol v2' '
 533         test_when_finished "rm -f log" &&
 534
 535         GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
 536                 clone "$HTTPD_URL/smart/http_parent" http_child &&
 537
 538         git -C http_child log -1 --format=%s >actual &&
 539         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
 540         test_cmp expect actual &&
 541
 542         # Client requested to use protocol v2
 543         grep "Git-Protocol: version=2" log &&
 544         # Server responded using protocol v2
 545         grep "git< version 2" log &&
 546         # Verify that the chunked encoding sending codepath is NOT exercised
 547         ! grep "Send header: Transfer-Encoding: chunked" log
 548 '
 549
 550 test_expect_success 'clone big repository with http:// using protocol v2' '
 551         test_when_finished "rm -f log" &&
 552
 553         git init "$HTTPD_DOCUMENT_ROOT_PATH/big" &&
 554         # Ensure that the list of wants is greater than http.postbuffer below
 555         for i in $(test_seq 1 1500)
 556         do
 557                 # do not use here-doc, because it requires a process
 558                 # per loop iteration
 559                 echo "commit refs/heads/too-many-refs-$i" &&
 560                 echo "committer git <git@example.com> $i +0000" &&
 561                 echo "data 0" &&
 562                 echo "M 644 inline bla.txt" &&
 563                 echo "data 4" &&
 564                 echo "bla"
 565         done | git -C "$HTTPD_DOCUMENT_ROOT_PATH/big" fast-import &&
 566
 567         GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git \
 568                 -c protocol.version=2 -c http.postbuffer=65536 \
 569                 clone "$HTTPD_URL/smart/big" big_child &&
 570
 571         # Client requested to use protocol v2
 572         grep "Git-Protocol: version=2" log &&
 573         # Server responded using protocol v2
 574         grep "git< version 2" log &&
 575         # Verify that the chunked encoding sending codepath is exercised
 576         grep "Send header: Transfer-Encoding: chunked" log
 577 '
 578
 579 test_expect_success 'fetch with http:// using protocol v2' '
 580         test_when_finished "rm -f log" &&
 581
 582         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
 583
 584         GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
 585                 fetch &&
 586
 587         git -C http_child log -1 --format=%s origin/master >actual &&
 588         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
 589         test_cmp expect actual &&
 590
 591         # Server responded using protocol v2
 592         grep "git< version 2" log
 593 '
 594
 595 test_expect_success 'fetch from namespaced repo respects namespaces' '
 596         test_when_finished "rm -f log" &&
 597
 598         git init "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" &&
 599         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" one &&
 600         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" two &&
 601         git -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" \
 602                 update-ref refs/namespaces/ns/refs/heads/master one &&
 603
 604         GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
 605                 fetch "$HTTPD_URL/smart_namespace/nsrepo" \
 606                 refs/heads/master:refs/heads/theirs &&
 607
 608         # Server responded using protocol v2
 609         grep "fetch< version 2" log &&
 610
 611         git -C "$HTTPD_DOCUMENT_ROOT_PATH/nsrepo" rev-parse one >expect &&
 612         git -C http_child rev-parse theirs >actual &&
 613         test_cmp expect actual
 614 '
 615
 616 test_expect_success 'push with http:// and a config of v2 does not request v2' '
 617         test_when_finished "rm -f log" &&
 618         # Till v2 for push is designed, make sure that if a client has
 619         # protocol.version configured to use v2, that the client instead falls
 620         # back and uses v0.
 621
 622         test_commit -C http_child three &&
 623
 624         # Push to another branch, as the target repository has the
 625         # master branch checked out and we cannot push into it.
 626         GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
 627                 push origin HEAD:client_branch &&
 628
 629         git -C http_child log -1 --format=%s >actual &&
 630         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s client_branch >expect &&
 631         test_cmp expect actual &&
 632
 633         # Client didnt request to use protocol v2
 634         ! grep "Git-Protocol: version=2" log &&
 635         # Server didnt respond using protocol v2
 636         ! grep "git< version 2" log
 637 '
 638
 639 test_expect_success 'when server sends "ready", expect DELIM' '
 640         rm -rf "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" http_child &&
 641
 642         git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 643         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one &&
 644
 645         git clone "$HTTPD_URL/smart/http_parent" http_child &&
 646
 647         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
 648
 649         # After "ready" in the acknowledgments section, pretend that a FLUSH
 650         # (0000) was sent instead of a DELIM (0001).
 651         printf "/ready/,$ s/0001/0000/" \
 652                 >"$HTTPD_ROOT_PATH/one-time-sed" &&
 653
 654         test_must_fail git -C http_child -c protocol.version=2 \
 655                 fetch "$HTTPD_URL/one_time_sed/http_parent" 2> err &&
 656         test_i18ngrep "expected packfile to be sent after .ready." err
 657 '
 658
 659 test_expect_success 'when server does not send "ready", expect FLUSH' '
 660         rm -rf "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" http_child log &&
 661
 662         git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 663         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one &&
 664
 665         git clone "$HTTPD_URL/smart/http_parent" http_child &&
 666
 667         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
 668
 669         # Create many commits to extend the negotiation phase across multiple
 670         # requests, so that the server does not send "ready" in the first
 671         # request.
 672         for i in $(test_seq 1 32)
 673         do
 674                 test_commit -C http_child c$i
 675         done &&
 676
 677         # After the acknowledgments section, pretend that a DELIM
 678         # (0001) was sent instead of a FLUSH (0000).
 679         printf "/acknowledgments/,$ s/0000/0001/" \
 680                 >"$HTTPD_ROOT_PATH/one-time-sed" &&
 681
 682         test_must_fail env GIT_TRACE_PACKET="$(pwd)/log" git -C http_child \
 683                 -c protocol.version=2 \
 684                 fetch "$HTTPD_URL/one_time_sed/http_parent" 2> err &&
 685         grep "fetch< .*acknowledgments" log &&
 686         ! grep "fetch< .*ready" log &&
 687         test_i18ngrep "expected no other sections to be sent after no .ready." err
 688 '
 689
 690 stop_httpd
 691
 692 test_done