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 actual expect
  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)$(printf "\t")refs/heads/master
  43         EOF
  44
  45         test_cmp actual expect
  46 '
  47
  48 test_expect_success 'clone with git:// using protocol v2' '
  49         test_when_finished "rm -f log" &&
  50
  51         GIT_TRACE_PACKET="$(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$" log &&
  78         # Server responded using protocol v2
  79         grep "fetch< version 2" log
  80 '
  81
  82 test_expect_success 'pull with git:// using protocol v2' '
  83         test_when_finished "rm -f log" &&
  84
  85         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
  86                 pull &&
  87
  88         git -C daemon_child log -1 --format=%s >actual &&
  89         git -C "$daemon_parent" log -1 --format=%s >expect &&
  90         test_cmp expect actual &&
  91
  92         # Client requested to use protocol v2
  93         grep "fetch> .*\\\0\\\0version=2\\\0$" log &&
  94         # Server responded using protocol v2
  95         grep "fetch< version 2" log
  96 '
  97
  98 test_expect_success 'push with git:// and a config of v2 does not request v2' '
  99         test_when_finished "rm -f log" &&
 100
 101         # Till v2 for push is designed, make sure that if a client has
 102         # protocol.version configured to use v2, that the client instead falls
 103         # back and uses v0.
 104
 105         test_commit -C daemon_child three &&
 106
 107         # Push to another branch, as the target repository has the
 108         # master branch checked out and we cannot push into it.
 109         GIT_TRACE_PACKET="$(pwd)/log" git -C daemon_child -c protocol.version=2 \
 110                 push origin HEAD:client_branch &&
 111
 112         git -C daemon_child log -1 --format=%s >actual &&
 113         git -C "$daemon_parent" log -1 --format=%s client_branch >expect &&
 114         test_cmp expect actual &&
 115
 116         # Client requested to use protocol v2
 117         ! grep "push> .*\\\0\\\0version=2\\\0$" log &&
 118         # Server responded using protocol v2
 119         ! grep "push< version 2" log
 120 '
 121
 122 stop_git_daemon
 123
 124 # Test protocol v2 with 'file://' transport
 125 #
 126 test_expect_success 'create repo to be served by file:// transport' '
 127         git init file_parent &&
 128         test_commit -C file_parent one
 129 '
 130
 131 test_expect_success 'list refs with file:// using protocol v2' '
 132         test_when_finished "rm -f log" &&
 133
 134         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 135                 ls-remote --symref "file://$(pwd)/file_parent" >actual &&
 136
 137         # Server responded using protocol v2
 138         grep "git< version 2" log &&
 139
 140         git ls-remote --symref "file://$(pwd)/file_parent" >expect &&
 141         test_cmp actual expect
 142 '
 143
 144 test_expect_success 'ref advertisment is filtered with ls-remote using protocol v2' '
 145         test_when_finished "rm -f log" &&
 146
 147         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 148                 ls-remote "file://$(pwd)/file_parent" master >actual &&
 149
 150         cat >expect <<-EOF &&
 151         $(git -C file_parent rev-parse refs/heads/master)$(printf "\t")refs/heads/master
 152         EOF
 153
 154         test_cmp actual expect
 155 '
 156
 157 test_expect_success 'server-options are sent when using ls-remote' '
 158         test_when_finished "rm -f log" &&
 159
 160         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 161                 ls-remote -o hello -o world "file://$(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 actual expect &&
 168         grep "server-option=hello" log &&
 169         grep "server-option=world" log
 170 '
 171
 172
 173 test_expect_success 'clone with file:// using protocol v2' '
 174         test_when_finished "rm -f log" &&
 175
 176         GIT_TRACE_PACKET="$(pwd)/log" git -c protocol.version=2 \
 177                 clone "file://$(pwd)/file_parent" file_child &&
 178
 179         git -C file_child log -1 --format=%s >actual &&
 180         git -C file_parent log -1 --format=%s >expect &&
 181         test_cmp expect actual &&
 182
 183         # Server responded using protocol v2
 184         grep "clone< version 2" log
 185 '
 186
 187 test_expect_success 'fetch with file:// using protocol v2' '
 188         test_when_finished "rm -f log" &&
 189
 190         test_commit -C file_parent two &&
 191
 192         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 193                 fetch origin &&
 194
 195         git -C file_child log -1 --format=%s origin/master >actual &&
 196         git -C file_parent log -1 --format=%s >expect &&
 197         test_cmp expect actual &&
 198
 199         # Server responded using protocol v2
 200         grep "fetch< version 2" log
 201 '
 202
 203 test_expect_success 'ref advertisment is filtered during fetch using protocol v2' '
 204         test_when_finished "rm -f log" &&
 205
 206         test_commit -C file_parent three &&
 207
 208         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 209                 fetch origin master &&
 210
 211         git -C file_child log -1 --format=%s origin/master >actual &&
 212         git -C file_parent log -1 --format=%s >expect &&
 213         test_cmp expect actual &&
 214
 215         ! grep "refs/tags/one" log &&
 216         ! grep "refs/tags/two" log &&
 217         ! grep "refs/tags/three" log
 218 '
 219
 220 test_expect_success 'server-options are sent when fetching' '
 221         test_when_finished "rm -f log" &&
 222
 223         test_commit -C file_parent four &&
 224
 225         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 226                 fetch -o hello -o world origin master &&
 227
 228         git -C file_child log -1 --format=%s origin/master >actual &&
 229         git -C file_parent log -1 --format=%s >expect &&
 230         test_cmp expect actual &&
 231
 232         grep "server-option=hello" log &&
 233         grep "server-option=world" log
 234 '
 235
 236 test_expect_success 'upload-pack respects config using protocol v2' '
 237         git init server &&
 238         write_script server/.git/hook <<-\EOF &&
 239                 touch hookout
 240                 "$@"
 241         EOF
 242         test_commit -C server one &&
 243
 244         test_config_global uploadpack.packobjectshook ./hook &&
 245         test_path_is_missing server/.git/hookout &&
 246         git -c protocol.version=2 clone "file://$(pwd)/server" client &&
 247         test_path_is_file server/.git/hookout
 248 '
 249
 250 test_expect_success 'setup filter tests' '
 251         rm -rf server client &&
 252         git init server &&
 253
 254         # 1 commit to create a file, and 1 commit to modify it
 255         test_commit -C server message1 a.txt &&
 256         test_commit -C server message2 a.txt &&
 257         git -C server config protocol.version 2 &&
 258         git -C server config uploadpack.allowfilter 1 &&
 259         git -C server config uploadpack.allowanysha1inwant 1 &&
 260         git -C server config protocol.version 2
 261 '
 262
 263 test_expect_success 'partial clone' '
 264         GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
 265                 clone --filter=blob:none "file://$(pwd)/server" client &&
 266         grep "version 2" trace &&
 267
 268         # Ensure that the old version of the file is missing
 269         git -C client rev-list master --quiet --objects --missing=print \
 270                 >observed.oids &&
 271         grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
 272
 273         # Ensure that client passes fsck
 274         git -C client fsck
 275 '
 276
 277 test_expect_success 'dynamically fetch missing object' '
 278         rm "$(pwd)/trace" &&
 279         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 280                 cat-file -p $(git -C server rev-parse message1:a.txt) &&
 281         grep "version 2" trace
 282 '
 283
 284 test_expect_success 'partial fetch' '
 285         rm -rf client "$(pwd)/trace" &&
 286         git init client &&
 287         SERVER="file://$(pwd)/server" &&
 288         test_config -C client extensions.partialClone "$SERVER" &&
 289
 290         GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
 291                 fetch --filter=blob:none "$SERVER" master:refs/heads/other &&
 292         grep "version 2" trace &&
 293
 294         # Ensure that the old version of the file is missing
 295         git -C client rev-list other --quiet --objects --missing=print \
 296                 >observed.oids &&
 297         grep "$(git -C server rev-parse message1:a.txt)" observed.oids &&
 298
 299         # Ensure that client passes fsck
 300         git -C client fsck
 301 '
 302
 303 test_expect_success 'do not advertise filter if not configured to do so' '
 304         SERVER="file://$(pwd)/server" &&
 305
 306         rm "$(pwd)/trace" &&
 307         git -C server config uploadpack.allowfilter 1 &&
 308         GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
 309                 ls-remote "$SERVER" &&
 310         grep "fetch=.*filter" trace &&
 311
 312         rm "$(pwd)/trace" &&
 313         git -C server config uploadpack.allowfilter 0 &&
 314         GIT_TRACE_PACKET="$(pwd)/trace" git -c protocol.version=2 \
 315                 ls-remote "$SERVER" &&
 316         grep "fetch=" trace >fetch_capabilities &&
 317         ! grep filter fetch_capabilities
 318 '
 319
 320 test_expect_success 'partial clone warns if filter is not advertised' '
 321         rm -rf client &&
 322         git -C server config uploadpack.allowfilter 0 &&
 323         git -c protocol.version=2 \
 324                 clone --filter=blob:none "file://$(pwd)/server" client 2>err &&
 325         test_i18ngrep "filtering not recognized by server, ignoring" err
 326 '
 327
 328 test_expect_success 'even with handcrafted request, filter does not work if not advertised' '
 329         git -C server config uploadpack.allowfilter 0 &&
 330
 331         # Custom request that tries to filter even though it is not advertised.
 332         test-pkt-line pack >in <<-EOF &&
 333         command=fetch
 334         0001
 335         want $(git -C server rev-parse master)
 336         filter blob:none
 337         0000
 338         EOF
 339
 340         test_must_fail git -C server serve --stateless-rpc <in >/dev/null 2>err &&
 341         grep "unexpected line: .filter blob:none." err &&
 342
 343         # Exercise to ensure that if advertised, filter works
 344         git -C server config uploadpack.allowfilter 1 &&
 345         git -C server serve --stateless-rpc <in >/dev/null
 346 '
 347
 348 test_expect_success 'default refspec is used to filter ref when fetchcing' '
 349         test_when_finished "rm -f log" &&
 350
 351         GIT_TRACE_PACKET="$(pwd)/log" git -C file_child -c protocol.version=2 \
 352                 fetch origin &&
 353
 354         git -C file_child log -1 --format=%s three >actual &&
 355         git -C file_parent log -1 --format=%s three >expect &&
 356         test_cmp expect actual &&
 357
 358         grep "ref-prefix refs/heads/" log &&
 359         grep "ref-prefix refs/tags/" log
 360 '
 361
 362 # Test protocol v2 with 'http://' transport
 363 #
 364 . "$TEST_DIRECTORY"/lib-httpd.sh
 365 start_httpd
 366
 367 test_expect_success 'create repo to be served by http:// transport' '
 368         git init "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" &&
 369         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" config http.receivepack true &&
 370         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" one
 371 '
 372
 373 test_expect_success 'clone with http:// using protocol v2' '
 374         test_when_finished "rm -f log" &&
 375
 376         GIT_TRACE_PACKET="$(pwd)/log" GIT_TRACE_CURL="$(pwd)/log" git -c protocol.version=2 \
 377                 clone "$HTTPD_URL/smart/http_parent" http_child &&
 378
 379         git -C http_child log -1 --format=%s >actual &&
 380         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
 381         test_cmp expect actual &&
 382
 383         # Client requested to use protocol v2
 384         grep "Git-Protocol: version=2" log &&
 385         # Server responded using protocol v2
 386         grep "git< version 2" log
 387 '
 388
 389 test_expect_success 'fetch with http:// using protocol v2' '
 390         test_when_finished "rm -f log" &&
 391
 392         test_commit -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" two &&
 393
 394         GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
 395                 fetch &&
 396
 397         git -C http_child log -1 --format=%s origin/master >actual &&
 398         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s >expect &&
 399         test_cmp expect actual &&
 400
 401         # Server responded using protocol v2
 402         grep "git< version 2" log
 403 '
 404
 405 test_expect_success 'push with http:// and a config of v2 does not request v2' '
 406         test_when_finished "rm -f log" &&
 407         # Till v2 for push is designed, make sure that if a client has
 408         # protocol.version configured to use v2, that the client instead falls
 409         # back and uses v0.
 410
 411         test_commit -C http_child three &&
 412
 413         # Push to another branch, as the target repository has the
 414         # master branch checked out and we cannot push into it.
 415         GIT_TRACE_PACKET="$(pwd)/log" git -C http_child -c protocol.version=2 \
 416                 push origin HEAD:client_branch &&
 417
 418         git -C http_child log -1 --format=%s >actual &&
 419         git -C "$HTTPD_DOCUMENT_ROOT_PATH/http_parent" log -1 --format=%s client_branch >expect &&
 420         test_cmp expect actual &&
 421
 422         # Client didnt request to use protocol v2
 423         ! grep "Git-Protocol: version=2" log &&
 424         # Server didnt respond using protocol v2
 425         ! grep "git< version 2" log
 426 '
 427
 428
 429 stop_httpd
 430
 431 test_done