t/t5510-fetch.sh

   1 #!/bin/sh
   2 # Copyright (c) 2006, Junio C Hamano.
   3
   4 test_description='Per branch config variables affects "git fetch".
   5
   6 '
   7
   8 . ./test-lib.sh
   9 . "$TEST_DIRECTORY"/lib-bundle.sh
  10
  11 D=$(pwd)
  12
  13 test_expect_success setup '
  14         echo >file original &&
  15         git add file &&
  16         git commit -a -m original &&
  17         git branch -M main
  18 '
  19
  20 test_expect_success "clone and setup child repos" '
  21         git clone . one &&
  22         (
  23                 cd one &&
  24                 echo >file updated by one &&
  25                 git commit -a -m "updated by one"
  26         ) &&
  27         git clone . two &&
  28         (
  29                 cd two &&
  30                 git config branch.main.remote one &&
  31                 git config remote.one.url ../one/.git/ &&
  32                 git config remote.one.fetch refs/heads/main:refs/heads/one
  33         ) &&
  34         git clone . three &&
  35         (
  36                 cd three &&
  37                 git config branch.main.remote two &&
  38                 git config branch.main.merge refs/heads/one &&
  39                 mkdir -p .git/remotes &&
  40                 cat >.git/remotes/two <<-\EOF
  41                 URL: ../two/.git/
  42                 Pull: refs/heads/main:refs/heads/two
  43                 Pull: refs/heads/one:refs/heads/one
  44                 EOF
  45         ) &&
  46         git clone . bundle &&
  47         git clone . seven
  48 '
  49
  50 test_expect_success "fetch test" '
  51         cd "$D" &&
  52         echo >file updated by origin &&
  53         git commit -a -m "updated by origin" &&
  54         cd two &&
  55         git fetch &&
  56         git rev-parse --verify refs/heads/one &&
  57         mine=$(git rev-parse refs/heads/one) &&
  58         his=$(cd ../one && git rev-parse refs/heads/main) &&
  59         test "z$mine" = "z$his"
  60 '
  61
  62 test_expect_success "fetch test for-merge" '
  63         cd "$D" &&
  64         cd three &&
  65         git fetch &&
  66         git rev-parse --verify refs/heads/two &&
  67         git rev-parse --verify refs/heads/one &&
  68         main_in_two=$(cd ../two && git rev-parse main) &&
  69         one_in_two=$(cd ../two && git rev-parse one) &&
  70         {
  71                 echo "$one_in_two       " &&
  72                 echo "$main_in_two      not-for-merge"
  73         } >expected &&
  74         cut -f -2 .git/FETCH_HEAD >actual &&
  75         test_cmp expected actual'
  76
  77 test_expect_success 'fetch --prune on its own works as expected' '
  78         cd "$D" &&
  79         git clone . prune &&
  80         cd prune &&
  81         git update-ref refs/remotes/origin/extrabranch main &&
  82
  83         git fetch --prune origin &&
  84         test_must_fail git rev-parse origin/extrabranch
  85 '
  86
  87 test_expect_success 'fetch --prune with a branch name keeps branches' '
  88         cd "$D" &&
  89         git clone . prune-branch &&
  90         cd prune-branch &&
  91         git update-ref refs/remotes/origin/extrabranch main &&
  92
  93         git fetch --prune origin main &&
  94         git rev-parse origin/extrabranch
  95 '
  96
  97 test_expect_success 'fetch --prune with a namespace keeps other namespaces' '
  98         cd "$D" &&
  99         git clone . prune-namespace &&
 100         cd prune-namespace &&
 101
 102         git fetch --prune origin refs/heads/a/*:refs/remotes/origin/a/* &&
 103         git rev-parse origin/main
 104 '
 105
 106 test_expect_success 'fetch --prune handles overlapping refspecs' '
 107         cd "$D" &&
 108         git update-ref refs/pull/42/head main &&
 109         git clone . prune-overlapping &&
 110         cd prune-overlapping &&
 111         git config --add remote.origin.fetch refs/pull/*/head:refs/remotes/origin/pr/* &&
 112
 113         git fetch --prune origin &&
 114         git rev-parse origin/main &&
 115         git rev-parse origin/pr/42 &&
 116
 117         git config --unset-all remote.origin.fetch &&
 118         git config remote.origin.fetch refs/pull/*/head:refs/remotes/origin/pr/* &&
 119         git config --add remote.origin.fetch refs/heads/*:refs/remotes/origin/* &&
 120
 121         git fetch --prune origin &&
 122         git rev-parse origin/main &&
 123         git rev-parse origin/pr/42
 124 '
 125
 126 test_expect_success 'fetch --prune --tags prunes branches but not tags' '
 127         cd "$D" &&
 128         git clone . prune-tags &&
 129         cd prune-tags &&
 130         git tag sometag main &&
 131         # Create what looks like a remote-tracking branch from an earlier
 132         # fetch that has since been deleted from the remote:
 133         git update-ref refs/remotes/origin/fake-remote main &&
 134
 135         git fetch --prune --tags origin &&
 136         git rev-parse origin/main &&
 137         test_must_fail git rev-parse origin/fake-remote &&
 138         git rev-parse sometag
 139 '
 140
 141 test_expect_success 'fetch --prune --tags with branch does not prune other things' '
 142         cd "$D" &&
 143         git clone . prune-tags-branch &&
 144         cd prune-tags-branch &&
 145         git tag sometag main &&
 146         git update-ref refs/remotes/origin/extrabranch main &&
 147
 148         git fetch --prune --tags origin main &&
 149         git rev-parse origin/extrabranch &&
 150         git rev-parse sometag
 151 '
 152
 153 test_expect_success 'fetch --prune --tags with refspec prunes based on refspec' '
 154         cd "$D" &&
 155         git clone . prune-tags-refspec &&
 156         cd prune-tags-refspec &&
 157         git tag sometag main &&
 158         git update-ref refs/remotes/origin/foo/otherbranch main &&
 159         git update-ref refs/remotes/origin/extrabranch main &&
 160
 161         git fetch --prune --tags origin refs/heads/foo/*:refs/remotes/origin/foo/* &&
 162         test_must_fail git rev-parse refs/remotes/origin/foo/otherbranch &&
 163         git rev-parse origin/extrabranch &&
 164         git rev-parse sometag
 165 '
 166
 167 test_expect_success REFFILES 'fetch --prune fails to delete branches' '
 168         cd "$D" &&
 169         git clone . prune-fail &&
 170         cd prune-fail &&
 171         git update-ref refs/remotes/origin/extrabranch main &&
 172         : this will prevent --prune from locking packed-refs for deleting refs, but adding loose refs still succeeds  &&
 173         >.git/packed-refs.new &&
 174
 175         test_must_fail git fetch --prune origin
 176 '
 177
 178 test_expect_success 'fetch --atomic works with a single branch' '
 179         test_when_finished "rm -rf \"$D\"/atomic" &&
 180
 181         cd "$D" &&
 182         git clone . atomic &&
 183         git branch atomic-branch &&
 184         oid=$(git rev-parse atomic-branch) &&
 185         echo "$oid" >expected &&
 186
 187         git -C atomic fetch --atomic origin &&
 188         git -C atomic rev-parse origin/atomic-branch >actual &&
 189         test_cmp expected actual &&
 190         test $oid = "$(git -C atomic rev-parse --verify FETCH_HEAD)"
 191 '
 192
 193 test_expect_success 'fetch --atomic works with multiple branches' '
 194         test_when_finished "rm -rf \"$D\"/atomic" &&
 195
 196         cd "$D" &&
 197         git clone . atomic &&
 198         git branch atomic-branch-1 &&
 199         git branch atomic-branch-2 &&
 200         git branch atomic-branch-3 &&
 201         git rev-parse refs/heads/atomic-branch-1 refs/heads/atomic-branch-2 refs/heads/atomic-branch-3 >actual &&
 202
 203         git -C atomic fetch --atomic origin &&
 204         git -C atomic rev-parse refs/remotes/origin/atomic-branch-1 refs/remotes/origin/atomic-branch-2 refs/remotes/origin/atomic-branch-3 >expected &&
 205         test_cmp expected actual
 206 '
 207
 208 test_expect_success 'fetch --atomic works with mixed branches and tags' '
 209         test_when_finished "rm -rf \"$D\"/atomic" &&
 210
 211         cd "$D" &&
 212         git clone . atomic &&
 213         git branch atomic-mixed-branch &&
 214         git tag atomic-mixed-tag &&
 215         git rev-parse refs/heads/atomic-mixed-branch refs/tags/atomic-mixed-tag >actual &&
 216
 217         git -C atomic fetch --tags --atomic origin &&
 218         git -C atomic rev-parse refs/remotes/origin/atomic-mixed-branch refs/tags/atomic-mixed-tag >expected &&
 219         test_cmp expected actual
 220 '
 221
 222 test_expect_success 'fetch --atomic prunes references' '
 223         test_when_finished "rm -rf \"$D\"/atomic" &&
 224
 225         cd "$D" &&
 226         git branch atomic-prune-delete &&
 227         git clone . atomic &&
 228         git branch --delete atomic-prune-delete &&
 229         git branch atomic-prune-create &&
 230         git rev-parse refs/heads/atomic-prune-create >actual &&
 231
 232         git -C atomic fetch --prune --atomic origin &&
 233         test_must_fail git -C atomic rev-parse refs/remotes/origin/atomic-prune-delete &&
 234         git -C atomic rev-parse refs/remotes/origin/atomic-prune-create >expected &&
 235         test_cmp expected actual
 236 '
 237
 238 test_expect_success 'fetch --atomic aborts with non-fast-forward update' '
 239         test_when_finished "rm -rf \"$D\"/atomic" &&
 240
 241         cd "$D" &&
 242         git branch atomic-non-ff &&
 243         git clone . atomic &&
 244         git rev-parse HEAD >actual &&
 245
 246         git branch atomic-new-branch &&
 247         parent_commit=$(git rev-parse atomic-non-ff~) &&
 248         git update-ref refs/heads/atomic-non-ff $parent_commit &&
 249
 250         test_must_fail git -C atomic fetch --atomic origin refs/heads/*:refs/remotes/origin/* &&
 251         test_must_fail git -C atomic rev-parse refs/remotes/origin/atomic-new-branch &&
 252         git -C atomic rev-parse refs/remotes/origin/atomic-non-ff >expected &&
 253         test_cmp expected actual &&
 254         test_must_be_empty atomic/.git/FETCH_HEAD
 255 '
 256
 257 test_expect_success 'fetch --atomic executes a single reference transaction only' '
 258         test_when_finished "rm -rf \"$D\"/atomic" &&
 259
 260         cd "$D" &&
 261         git clone . atomic &&
 262         git branch atomic-hooks-1 &&
 263         git branch atomic-hooks-2 &&
 264         head_oid=$(git rev-parse HEAD) &&
 265
 266         cat >expected <<-EOF &&
 267                 prepared
 268                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-1
 269                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-2
 270                 committed
 271                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-1
 272                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-2
 273         EOF
 274
 275         rm -f atomic/actual &&
 276         test_hook -C atomic reference-transaction <<-\EOF &&
 277                 ( echo "$*" && cat ) >>actual
 278         EOF
 279
 280         git -C atomic fetch --atomic origin &&
 281         test_cmp expected atomic/actual
 282 '
 283
 284 test_expect_success 'fetch --atomic aborts all reference updates if hook aborts' '
 285         test_when_finished "rm -rf \"$D\"/atomic" &&
 286
 287         cd "$D" &&
 288         git clone . atomic &&
 289         git branch atomic-hooks-abort-1 &&
 290         git branch atomic-hooks-abort-2 &&
 291         git branch atomic-hooks-abort-3 &&
 292         git tag atomic-hooks-abort &&
 293         head_oid=$(git rev-parse HEAD) &&
 294
 295         cat >expected <<-EOF &&
 296                 prepared
 297                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-abort-1
 298                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-abort-2
 299                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-abort-3
 300                 $ZERO_OID $head_oid refs/tags/atomic-hooks-abort
 301                 aborted
 302                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-abort-1
 303                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-abort-2
 304                 $ZERO_OID $head_oid refs/remotes/origin/atomic-hooks-abort-3
 305                 $ZERO_OID $head_oid refs/tags/atomic-hooks-abort
 306         EOF
 307
 308         rm -f atomic/actual &&
 309         test_hook -C atomic/.git reference-transaction <<-\EOF &&
 310                 ( echo "$*" && cat ) >>actual
 311                 exit 1
 312         EOF
 313
 314         git -C atomic for-each-ref >expected-refs &&
 315         test_must_fail git -C atomic fetch --tags --atomic origin &&
 316         git -C atomic for-each-ref >actual-refs &&
 317         test_cmp expected-refs actual-refs &&
 318         test_must_be_empty atomic/.git/FETCH_HEAD
 319 '
 320
 321 test_expect_success 'fetch --atomic --append appends to FETCH_HEAD' '
 322         test_when_finished "rm -rf \"$D\"/atomic" &&
 323
 324         cd "$D" &&
 325         git clone . atomic &&
 326         oid=$(git rev-parse HEAD) &&
 327
 328         git branch atomic-fetch-head-1 &&
 329         git -C atomic fetch --atomic origin atomic-fetch-head-1 &&
 330         test_line_count = 1 atomic/.git/FETCH_HEAD &&
 331
 332         git branch atomic-fetch-head-2 &&
 333         git -C atomic fetch --atomic --append origin atomic-fetch-head-2 &&
 334         test_line_count = 2 atomic/.git/FETCH_HEAD &&
 335         cp atomic/.git/FETCH_HEAD expected &&
 336
 337         test_hook -C atomic reference-transaction <<-\EOF &&
 338                 exit 1
 339         EOF
 340
 341         git branch atomic-fetch-head-3 &&
 342         test_must_fail git -C atomic fetch --atomic --append origin atomic-fetch-head-3 &&
 343         test_cmp expected atomic/.git/FETCH_HEAD
 344 '
 345
 346 test_expect_success 'fetch --atomic --prune executes a single reference transaction only' '
 347         test_when_finished "rm -rf \"$D\"/atomic" &&
 348
 349         cd "$D" &&
 350         git branch scheduled-for-deletion &&
 351         git clone . atomic &&
 352         git branch -D scheduled-for-deletion &&
 353         git branch new-branch &&
 354         head_oid=$(git rev-parse HEAD) &&
 355
 356         # Fetching with the `--atomic` flag should update all references in a
 357         # single transaction.
 358         cat >expected <<-EOF &&
 359                 prepared
 360                 $ZERO_OID $ZERO_OID refs/remotes/origin/scheduled-for-deletion
 361                 $ZERO_OID $head_oid refs/remotes/origin/new-branch
 362                 committed
 363                 $ZERO_OID $ZERO_OID refs/remotes/origin/scheduled-for-deletion
 364                 $ZERO_OID $head_oid refs/remotes/origin/new-branch
 365         EOF
 366
 367         test_hook -C atomic reference-transaction <<-\EOF &&
 368                 ( echo "$*" && cat ) >>actual
 369         EOF
 370
 371         git -C atomic fetch --atomic --prune origin &&
 372         test_cmp expected atomic/actual
 373 '
 374
 375 test_expect_success '--refmap="" ignores configured refspec' '
 376         cd "$TRASH_DIRECTORY" &&
 377         git clone "$D" remote-refs &&
 378         git -C remote-refs rev-parse remotes/origin/main >old &&
 379         git -C remote-refs update-ref refs/remotes/origin/main main~1 &&
 380         git -C remote-refs rev-parse remotes/origin/main >new &&
 381         git -C remote-refs fetch --refmap= origin "+refs/heads/*:refs/hidden/origin/*" &&
 382         git -C remote-refs rev-parse remotes/origin/main >actual &&
 383         test_cmp new actual &&
 384         git -C remote-refs fetch origin &&
 385         git -C remote-refs rev-parse remotes/origin/main >actual &&
 386         test_cmp old actual
 387 '
 388
 389 test_expect_success '--refmap="" and --prune' '
 390         git -C remote-refs update-ref refs/remotes/origin/foo/otherbranch main &&
 391         git -C remote-refs update-ref refs/hidden/foo/otherbranch main &&
 392         git -C remote-refs fetch --prune --refmap="" origin +refs/heads/*:refs/hidden/* &&
 393         git -C remote-refs rev-parse remotes/origin/foo/otherbranch &&
 394         test_must_fail git -C remote-refs rev-parse refs/hidden/foo/otherbranch &&
 395         git -C remote-refs fetch --prune origin &&
 396         test_must_fail git -C remote-refs rev-parse remotes/origin/foo/otherbranch
 397 '
 398
 399 test_expect_success 'fetch tags when there is no tags' '
 400
 401     cd "$D" &&
 402
 403     mkdir notags &&
 404     cd notags &&
 405     git init &&
 406
 407     git fetch -t ..
 408
 409 '
 410
 411 test_expect_success 'fetch following tags' '
 412
 413         cd "$D" &&
 414         git tag -a -m "annotated" anno HEAD &&
 415         git tag light HEAD &&
 416
 417         mkdir four &&
 418         cd four &&
 419         git init &&
 420
 421         git fetch .. :track &&
 422         git show-ref --verify refs/tags/anno &&
 423         git show-ref --verify refs/tags/light
 424
 425 '
 426
 427 test_expect_success 'fetch uses remote ref names to describe new refs' '
 428         cd "$D" &&
 429         git init descriptive &&
 430         (
 431                 cd descriptive &&
 432                 git config remote.o.url .. &&
 433                 git config remote.o.fetch "refs/heads/*:refs/crazyheads/*" &&
 434                 git config --add remote.o.fetch "refs/others/*:refs/heads/*" &&
 435                 git fetch o
 436         ) &&
 437         git tag -a -m "Descriptive tag" descriptive-tag &&
 438         git branch descriptive-branch &&
 439         git checkout descriptive-branch &&
 440         echo "Nuts" >crazy &&
 441         git add crazy &&
 442         git commit -a -m "descriptive commit" &&
 443         git update-ref refs/others/crazy HEAD &&
 444         (
 445                 cd descriptive &&
 446                 git fetch o 2>actual &&
 447                 test_i18ngrep "new branch.* -> refs/crazyheads/descriptive-branch$" actual &&
 448                 test_i18ngrep "new tag.* -> descriptive-tag$" actual &&
 449                 test_i18ngrep "new ref.* -> crazy$" actual
 450         ) &&
 451         git checkout main
 452 '
 453
 454 test_expect_success 'fetch must not resolve short tag name' '
 455
 456         cd "$D" &&
 457
 458         mkdir five &&
 459         cd five &&
 460         git init &&
 461
 462         test_must_fail git fetch .. anno:five
 463
 464 '
 465
 466 test_expect_success 'fetch can now resolve short remote name' '
 467
 468         cd "$D" &&
 469         git update-ref refs/remotes/six/HEAD HEAD &&
 470
 471         mkdir six &&
 472         cd six &&
 473         git init &&
 474
 475         git fetch .. six:six
 476 '
 477
 478 test_expect_success 'create bundle 1' '
 479         cd "$D" &&
 480         echo >file updated again by origin &&
 481         git commit -a -m "tip" &&
 482         git bundle create --version=3 bundle1 main^..main
 483 '
 484
 485 test_expect_success 'header of bundle looks right' '
 486         cat >expect <<-EOF &&
 487         # v3 git bundle
 488         @object-format=$(test_oid algo)
 489         -OID updated by origin
 490         OID refs/heads/main
 491
 492         EOF
 493         sed -e "s/$OID_REGEX/OID/g" -e "5q" "$D"/bundle1 >actual &&
 494         test_cmp expect actual
 495 '
 496
 497 test_expect_success 'create bundle 2' '
 498         cd "$D" &&
 499         git bundle create bundle2 main~2..main
 500 '
 501
 502 test_expect_success 'unbundle 1' '
 503         cd "$D/bundle" &&
 504         git checkout -b some-branch &&
 505         test_must_fail git fetch "$D/bundle1" main:main
 506 '
 507
 508
 509 test_expect_success 'bundle 1 has only 3 files ' '
 510         cd "$D" &&
 511         test_bundle_object_count bundle1 3
 512 '
 513
 514 test_expect_success 'unbundle 2' '
 515         cd "$D/bundle" &&
 516         git fetch ../bundle2 main:main &&
 517         test "tip" = "$(git log -1 --pretty=oneline main | cut -d" " -f2)"
 518 '
 519
 520 test_expect_success 'bundle does not prerequisite objects' '
 521         cd "$D" &&
 522         touch file2 &&
 523         git add file2 &&
 524         git commit -m add.file2 file2 &&
 525         git bundle create bundle3 -1 HEAD &&
 526         test_bundle_object_count bundle3 3
 527 '
 528
 529 test_expect_success 'bundle should be able to create a full history' '
 530
 531         cd "$D" &&
 532         git tag -a -m "1.0" v1.0 main &&
 533         git bundle create bundle4 v1.0
 534
 535 '
 536
 537 test_expect_success 'fetch with a non-applying branch.<name>.merge' '
 538         git config branch.main.remote yeti &&
 539         git config branch.main.merge refs/heads/bigfoot &&
 540         git config remote.blub.url one &&
 541         git config remote.blub.fetch "refs/heads/*:refs/remotes/one/*" &&
 542         git fetch blub
 543 '
 544
 545 # URL supplied to fetch does not match the url of the configured branch's remote
 546 test_expect_success 'fetch from GIT URL with a non-applying branch.<name>.merge [1]' '
 547         one_head=$(cd one && git rev-parse HEAD) &&
 548         this_head=$(git rev-parse HEAD) &&
 549         git update-ref -d FETCH_HEAD &&
 550         git fetch one &&
 551         test $one_head = "$(git rev-parse --verify FETCH_HEAD)" &&
 552         test $this_head = "$(git rev-parse --verify HEAD)"
 553 '
 554
 555 # URL supplied to fetch matches the url of the configured branch's remote and
 556 # the merge spec matches the branch the remote HEAD points to
 557 test_expect_success 'fetch from GIT URL with a non-applying branch.<name>.merge [2]' '
 558         one_ref=$(cd one && git symbolic-ref HEAD) &&
 559         git config branch.main.remote blub &&
 560         git config branch.main.merge "$one_ref" &&
 561         git update-ref -d FETCH_HEAD &&
 562         git fetch one &&
 563         test $one_head = "$(git rev-parse --verify FETCH_HEAD)" &&
 564         test $this_head = "$(git rev-parse --verify HEAD)"
 565 '
 566
 567 # URL supplied to fetch matches the url of the configured branch's remote, but
 568 # the merge spec does not match the branch the remote HEAD points to
 569 test_expect_success 'fetch from GIT URL with a non-applying branch.<name>.merge [3]' '
 570         git config branch.main.merge "${one_ref}_not" &&
 571         git update-ref -d FETCH_HEAD &&
 572         git fetch one &&
 573         test $one_head = "$(git rev-parse --verify FETCH_HEAD)" &&
 574         test $this_head = "$(git rev-parse --verify HEAD)"
 575 '
 576
 577 # the strange name is: a\!'b
 578 test_expect_success 'quoting of a strangely named repo' '
 579         test_must_fail git fetch "a\\!'\''b" > result 2>&1 &&
 580         grep "fatal: '\''a\\\\!'\''b'\''" result
 581 '
 582
 583 test_expect_success 'bundle should record HEAD correctly' '
 584
 585         cd "$D" &&
 586         git bundle create bundle5 HEAD main &&
 587         git bundle list-heads bundle5 >actual &&
 588         for h in HEAD refs/heads/main
 589         do
 590                 echo "$(git rev-parse --verify $h) $h" || return 1
 591         done >expect &&
 592         test_cmp expect actual
 593
 594 '
 595
 596 test_expect_success 'mark initial state of origin/main' '
 597         (
 598                 cd three &&
 599                 git tag base-origin-main refs/remotes/origin/main
 600         )
 601 '
 602
 603 test_expect_success 'explicit fetch should update tracking' '
 604
 605         cd "$D" &&
 606         git branch -f side &&
 607         (
 608                 cd three &&
 609                 git update-ref refs/remotes/origin/main base-origin-main &&
 610                 o=$(git rev-parse --verify refs/remotes/origin/main) &&
 611                 git fetch origin main &&
 612                 n=$(git rev-parse --verify refs/remotes/origin/main) &&
 613                 test "$o" != "$n" &&
 614                 test_must_fail git rev-parse --verify refs/remotes/origin/side
 615         )
 616 '
 617
 618 test_expect_success 'explicit pull should update tracking' '
 619
 620         cd "$D" &&
 621         git branch -f side &&
 622         (
 623                 cd three &&
 624                 git update-ref refs/remotes/origin/main base-origin-main &&
 625                 o=$(git rev-parse --verify refs/remotes/origin/main) &&
 626                 git pull origin main &&
 627                 n=$(git rev-parse --verify refs/remotes/origin/main) &&
 628                 test "$o" != "$n" &&
 629                 test_must_fail git rev-parse --verify refs/remotes/origin/side
 630         )
 631 '
 632
 633 test_expect_success 'explicit --refmap is allowed only with command-line refspec' '
 634         cd "$D" &&
 635         (
 636                 cd three &&
 637                 test_must_fail git fetch --refmap="*:refs/remotes/none/*"
 638         )
 639 '
 640
 641 test_expect_success 'explicit --refmap option overrides remote.*.fetch' '
 642         cd "$D" &&
 643         git branch -f side &&
 644         (
 645                 cd three &&
 646                 git update-ref refs/remotes/origin/main base-origin-main &&
 647                 o=$(git rev-parse --verify refs/remotes/origin/main) &&
 648                 git fetch --refmap="refs/heads/*:refs/remotes/other/*" origin main &&
 649                 n=$(git rev-parse --verify refs/remotes/origin/main) &&
 650                 test "$o" = "$n" &&
 651                 test_must_fail git rev-parse --verify refs/remotes/origin/side &&
 652                 git rev-parse --verify refs/remotes/other/main
 653         )
 654 '
 655
 656 test_expect_success 'explicitly empty --refmap option disables remote.*.fetch' '
 657         cd "$D" &&
 658         git branch -f side &&
 659         (
 660                 cd three &&
 661                 git update-ref refs/remotes/origin/main base-origin-main &&
 662                 o=$(git rev-parse --verify refs/remotes/origin/main) &&
 663                 git fetch --refmap="" origin main &&
 664                 n=$(git rev-parse --verify refs/remotes/origin/main) &&
 665                 test "$o" = "$n" &&
 666                 test_must_fail git rev-parse --verify refs/remotes/origin/side
 667         )
 668 '
 669
 670 test_expect_success 'configured fetch updates tracking' '
 671
 672         cd "$D" &&
 673         git branch -f side &&
 674         (
 675                 cd three &&
 676                 git update-ref refs/remotes/origin/main base-origin-main &&
 677                 o=$(git rev-parse --verify refs/remotes/origin/main) &&
 678                 git fetch origin &&
 679                 n=$(git rev-parse --verify refs/remotes/origin/main) &&
 680                 test "$o" != "$n" &&
 681                 git rev-parse --verify refs/remotes/origin/side
 682         )
 683 '
 684
 685 test_expect_success 'non-matching refspecs do not confuse tracking update' '
 686         cd "$D" &&
 687         git update-ref refs/odd/location HEAD &&
 688         (
 689                 cd three &&
 690                 git update-ref refs/remotes/origin/main base-origin-main &&
 691                 git config --add remote.origin.fetch \
 692                         refs/odd/location:refs/remotes/origin/odd &&
 693                 o=$(git rev-parse --verify refs/remotes/origin/main) &&
 694                 git fetch origin main &&
 695                 n=$(git rev-parse --verify refs/remotes/origin/main) &&
 696                 test "$o" != "$n" &&
 697                 test_must_fail git rev-parse --verify refs/remotes/origin/odd
 698         )
 699 '
 700
 701 test_expect_success 'pushing nonexistent branch by mistake should not segv' '
 702
 703         cd "$D" &&
 704         test_must_fail git push seven no:no
 705
 706 '
 707
 708 test_expect_success 'auto tag following fetches minimum' '
 709
 710         cd "$D" &&
 711         git clone .git follow &&
 712         git checkout HEAD^0 &&
 713         (
 714                 for i in 1 2 3 4 5 6 7
 715                 do
 716                         echo $i >>file &&
 717                         git commit -m $i -a &&
 718                         git tag -a -m $i excess-$i || exit 1
 719                 done
 720         ) &&
 721         git checkout main &&
 722         (
 723                 cd follow &&
 724                 git fetch
 725         )
 726 '
 727
 728 test_expect_success 'refuse to fetch into the current branch' '
 729
 730         test_must_fail git fetch . side:main
 731
 732 '
 733
 734 test_expect_success 'fetch into the current branch with --update-head-ok' '
 735
 736         git fetch --update-head-ok . side:main
 737
 738 '
 739
 740 test_expect_success 'fetch --dry-run does not touch FETCH_HEAD, but still prints what would be written' '
 741         rm -f .git/FETCH_HEAD err &&
 742         git fetch --dry-run . 2>err &&
 743         ! test -f .git/FETCH_HEAD &&
 744         grep FETCH_HEAD err
 745 '
 746
 747 test_expect_success '--no-write-fetch-head does not touch FETCH_HEAD, and does not print what would be written' '
 748         rm -f .git/FETCH_HEAD err &&
 749         git fetch --no-write-fetch-head . 2>err &&
 750         ! test -f .git/FETCH_HEAD &&
 751         ! grep FETCH_HEAD err
 752 '
 753
 754 test_expect_success '--write-fetch-head gets defeated by --dry-run' '
 755         rm -f .git/FETCH_HEAD &&
 756         git fetch --dry-run --write-fetch-head . &&
 757         ! test -f .git/FETCH_HEAD
 758 '
 759
 760 test_expect_success "should be able to fetch with duplicate refspecs" '
 761         mkdir dups &&
 762         (
 763                 cd dups &&
 764                 git init &&
 765                 git config branch.main.remote three &&
 766                 git config remote.three.url ../three/.git &&
 767                 git config remote.three.fetch +refs/heads/*:refs/remotes/origin/* &&
 768                 git config --add remote.three.fetch +refs/heads/*:refs/remotes/origin/* &&
 769                 git fetch three
 770         )
 771 '
 772
 773 test_expect_success 'LHS of refspec follows ref disambiguation rules' '
 774         mkdir lhs-ambiguous &&
 775         (
 776                 cd lhs-ambiguous &&
 777                 git init server &&
 778                 test_commit -C server unwanted &&
 779                 test_commit -C server wanted &&
 780
 781                 git init client &&
 782
 783                 # Check a name coming after "refs" alphabetically ...
 784                 git -C server update-ref refs/heads/s wanted &&
 785                 git -C server update-ref refs/heads/refs/heads/s unwanted &&
 786                 git -C client fetch ../server +refs/heads/s:refs/heads/checkthis &&
 787                 git -C server rev-parse wanted >expect &&
 788                 git -C client rev-parse checkthis >actual &&
 789                 test_cmp expect actual &&
 790
 791                 # ... and one before.
 792                 git -C server update-ref refs/heads/q wanted &&
 793                 git -C server update-ref refs/heads/refs/heads/q unwanted &&
 794                 git -C client fetch ../server +refs/heads/q:refs/heads/checkthis &&
 795                 git -C server rev-parse wanted >expect &&
 796                 git -C client rev-parse checkthis >actual &&
 797                 test_cmp expect actual &&
 798
 799                 # Tags are preferred over branches like refs/{heads,tags}/*
 800                 git -C server update-ref refs/tags/t wanted &&
 801                 git -C server update-ref refs/heads/t unwanted &&
 802                 git -C client fetch ../server +t:refs/heads/checkthis &&
 803                 git -C server rev-parse wanted >expect &&
 804                 git -C client rev-parse checkthis >actual
 805         )
 806 '
 807
 808 test_expect_success 'fetch.writeCommitGraph' '
 809         git clone three write &&
 810         (
 811                 cd three &&
 812                 test_commit new
 813         ) &&
 814         (
 815                 cd write &&
 816                 git -c fetch.writeCommitGraph fetch origin &&
 817                 test_path_is_file .git/objects/info/commit-graphs/commit-graph-chain
 818         )
 819 '
 820
 821 test_expect_success 'fetch.writeCommitGraph with submodules' '
 822         git clone dups super &&
 823         (
 824                 cd super &&
 825                 git submodule add "file://$TRASH_DIRECTORY/three" &&
 826                 git commit -m "add submodule"
 827         ) &&
 828         git clone "super" super-clone &&
 829         (
 830                 cd super-clone &&
 831                 rm -rf .git/objects/info &&
 832                 git -c fetch.writeCommitGraph=true fetch origin &&
 833                 test_path_is_file .git/objects/info/commit-graphs/commit-graph-chain
 834         )
 835 '
 836
 837 # configured prune tests
 838
 839 set_config_tristate () {
 840         # var=$1 val=$2
 841         case "$2" in
 842         unset)
 843                 test_unconfig "$1"
 844                 ;;
 845         *)
 846                 git config "$1" "$2"
 847                 key=$(echo $1 | sed -e 's/^remote\.origin/fetch/')
 848                 git_fetch_c="$git_fetch_c -c $key=$2"
 849                 ;;
 850         esac
 851 }
 852
 853 test_configured_prune () {
 854         test_configured_prune_type "$@" "name"
 855         test_configured_prune_type "$@" "link"
 856 }
 857
 858 test_configured_prune_type () {
 859         fetch_prune=$1
 860         remote_origin_prune=$2
 861         fetch_prune_tags=$3
 862         remote_origin_prune_tags=$4
 863         expected_branch=$5
 864         expected_tag=$6
 865         cmdline=$7
 866         mode=$8
 867
 868         if test -z "$cmdline_setup"
 869         then
 870                 test_expect_success 'setup cmdline_setup variable for subsequent test' '
 871                         remote_url="file://$(git -C one config remote.origin.url)" &&
 872                         remote_fetch="$(git -C one config remote.origin.fetch)" &&
 873                         cmdline_setup="\"$remote_url\" \"$remote_fetch\""
 874                 '
 875         fi
 876
 877         if test "$mode" = 'link'
 878         then
 879                 new_cmdline=""
 880
 881                 if test "$cmdline" = ""
 882                 then
 883                         new_cmdline=$cmdline_setup
 884                 else
 885                         new_cmdline=$(printf "%s" "$cmdline" | perl -pe 's[origin(?!/)]["'"$remote_url"'"]g')
 886                 fi
 887
 888                 if test "$fetch_prune_tags" = 'true' ||
 889                    test "$remote_origin_prune_tags" = 'true'
 890                 then
 891                         if ! printf '%s' "$cmdline\n" | grep -q refs/remotes/origin/
 892                         then
 893                                 new_cmdline="$new_cmdline refs/tags/*:refs/tags/*"
 894                         fi
 895                 fi
 896
 897                 cmdline="$new_cmdline"
 898         fi
 899
 900         test_expect_success "$mode prune fetch.prune=$1 remote.origin.prune=$2 fetch.pruneTags=$3 remote.origin.pruneTags=$4${7:+ $7}; branch:$5 tag:$6" '
 901                 # make sure a newbranch is there in . and also in one
 902                 git branch -f newbranch &&
 903                 git tag -f newtag &&
 904                 (
 905                         cd one &&
 906                         test_unconfig fetch.prune &&
 907                         test_unconfig fetch.pruneTags &&
 908                         test_unconfig remote.origin.prune &&
 909                         test_unconfig remote.origin.pruneTags &&
 910                         git fetch '"$cmdline_setup"' &&
 911                         git rev-parse --verify refs/remotes/origin/newbranch &&
 912                         git rev-parse --verify refs/tags/newtag
 913                 ) &&
 914
 915                 # now remove them
 916                 git branch -d newbranch &&
 917                 git tag -d newtag &&
 918
 919                 # then test
 920                 (
 921                         cd one &&
 922                         git_fetch_c="" &&
 923                         set_config_tristate fetch.prune $fetch_prune &&
 924                         set_config_tristate fetch.pruneTags $fetch_prune_tags &&
 925                         set_config_tristate remote.origin.prune $remote_origin_prune &&
 926                         set_config_tristate remote.origin.pruneTags $remote_origin_prune_tags &&
 927
 928                         if test "$mode" != "link"
 929                         then
 930                                 git_fetch_c=""
 931                         fi &&
 932                         git$git_fetch_c fetch '"$cmdline"' &&
 933                         case "$expected_branch" in
 934                         pruned)
 935                                 test_must_fail git rev-parse --verify refs/remotes/origin/newbranch
 936                                 ;;
 937                         kept)
 938                                 git rev-parse --verify refs/remotes/origin/newbranch
 939                                 ;;
 940                         esac &&
 941                         case "$expected_tag" in
 942                         pruned)
 943                                 test_must_fail git rev-parse --verify refs/tags/newtag
 944                                 ;;
 945                         kept)
 946                                 git rev-parse --verify refs/tags/newtag
 947                                 ;;
 948                         esac
 949                 )
 950         '
 951 }
 952
 953 # $1 config: fetch.prune
 954 # $2 config: remote.<name>.prune
 955 # $3 config: fetch.pruneTags
 956 # $4 config: remote.<name>.pruneTags
 957 # $5 expect: branch to be pruned?
 958 # $6 expect: tag to be pruned?
 959 # $7 git-fetch $cmdline:
 960 #
 961 #                     $1    $2    $3    $4    $5     $6     $7
 962 test_configured_prune unset unset unset unset kept   kept   ""
 963 test_configured_prune unset unset unset unset kept   kept   "--no-prune"
 964 test_configured_prune unset unset unset unset pruned kept   "--prune"
 965 test_configured_prune unset unset unset unset kept   pruned \
 966         "--prune origin refs/tags/*:refs/tags/*"
 967 test_configured_prune unset unset unset unset pruned pruned \
 968         "--prune origin refs/tags/*:refs/tags/* +refs/heads/*:refs/remotes/origin/*"
 969
 970 test_configured_prune false unset unset unset kept   kept   ""
 971 test_configured_prune false unset unset unset kept   kept   "--no-prune"
 972 test_configured_prune false unset unset unset pruned kept   "--prune"
 973
 974 test_configured_prune true  unset unset unset pruned kept   ""
 975 test_configured_prune true  unset unset unset pruned kept   "--prune"
 976 test_configured_prune true  unset unset unset kept   kept   "--no-prune"
 977
 978 test_configured_prune unset false unset unset kept   kept   ""
 979 test_configured_prune unset false unset unset kept   kept   "--no-prune"
 980 test_configured_prune unset false unset unset pruned kept   "--prune"
 981
 982 test_configured_prune false false unset unset kept   kept   ""
 983 test_configured_prune false false unset unset kept   kept   "--no-prune"
 984 test_configured_prune false false unset unset pruned kept   "--prune"
 985 test_configured_prune false false unset unset kept   pruned \
 986         "--prune origin refs/tags/*:refs/tags/*"
 987 test_configured_prune false false unset unset pruned pruned \
 988         "--prune origin refs/tags/*:refs/tags/* +refs/heads/*:refs/remotes/origin/*"
 989
 990 test_configured_prune true  false unset unset kept   kept   ""
 991 test_configured_prune true  false unset unset pruned kept   "--prune"
 992 test_configured_prune true  false unset unset kept   kept   "--no-prune"
 993
 994 test_configured_prune unset true  unset unset pruned kept   ""
 995 test_configured_prune unset true  unset unset kept   kept   "--no-prune"
 996 test_configured_prune unset true  unset unset pruned kept   "--prune"
 997
 998 test_configured_prune false true  unset unset pruned kept   ""
 999 test_configured_prune false true  unset unset kept   kept   "--no-prune"
1000 test_configured_prune false true  unset unset pruned kept   "--prune"
1001
1002 test_configured_prune true  true  unset unset pruned kept   ""
1003 test_configured_prune true  true  unset unset pruned kept   "--prune"
1004 test_configured_prune true  true  unset unset kept   kept   "--no-prune"
1005 test_configured_prune true  true  unset unset kept   pruned \
1006         "--prune origin refs/tags/*:refs/tags/*"
1007 test_configured_prune true  true  unset unset pruned pruned \
1008         "--prune origin refs/tags/*:refs/tags/* +refs/heads/*:refs/remotes/origin/*"
1009
1010 # --prune-tags on its own does nothing, needs --prune as well, same
1011 # for fetch.pruneTags without fetch.prune
1012 test_configured_prune unset unset unset unset kept kept     "--prune-tags"
1013 test_configured_prune unset unset true unset  kept kept     ""
1014 test_configured_prune unset unset unset true  kept kept     ""
1015
1016 # These will prune the tags
1017 test_configured_prune unset unset unset unset pruned pruned "--prune --prune-tags"
1018 test_configured_prune true  unset true  unset pruned pruned ""
1019 test_configured_prune unset true  unset true  pruned pruned ""
1020
1021 # remote.<name>.pruneTags overrides fetch.pruneTags, just like
1022 # remote.<name>.prune overrides fetch.prune if set.
1023 test_configured_prune true  unset true unset pruned pruned  ""
1024 test_configured_prune false true  false true  pruned pruned ""
1025 test_configured_prune true  false true  false kept   kept   ""
1026
1027 # When --prune-tags is supplied it's ignored if an explicit refspec is
1028 # given, same for the configuration options.
1029 test_configured_prune unset unset unset unset pruned kept \
1030         "--prune --prune-tags origin +refs/heads/*:refs/remotes/origin/*"
1031 test_configured_prune unset unset true  unset pruned kept \
1032         "--prune origin +refs/heads/*:refs/remotes/origin/*"
1033 test_configured_prune unset unset unset true pruned  kept \
1034         "--prune origin +refs/heads/*:refs/remotes/origin/*"
1035
1036 # Pruning that also takes place if a file:// url replaces a named
1037 # remote. However, because there's no implicit
1038 # +refs/heads/*:refs/remotes/origin/* refspec and supplying it on the
1039 # command-line negates --prune-tags, the branches will not be pruned.
1040 test_configured_prune_type unset unset unset unset kept   kept   "origin --prune-tags" "name"
1041 test_configured_prune_type unset unset unset unset kept   kept   "origin --prune-tags" "link"
1042 test_configured_prune_type unset unset unset unset pruned pruned "origin --prune --prune-tags" "name"
1043 test_configured_prune_type unset unset unset unset kept   pruned "origin --prune --prune-tags" "link"
1044 test_configured_prune_type unset unset unset unset pruned pruned "--prune --prune-tags origin" "name"
1045 test_configured_prune_type unset unset unset unset kept   pruned "--prune --prune-tags origin" "link"
1046 test_configured_prune_type unset unset true  unset pruned pruned "--prune origin" "name"
1047 test_configured_prune_type unset unset true  unset kept   pruned "--prune origin" "link"
1048 test_configured_prune_type unset unset unset true  pruned pruned "--prune origin" "name"
1049 test_configured_prune_type unset unset unset true  kept   pruned "--prune origin" "link"
1050 test_configured_prune_type true  unset true  unset pruned pruned "origin" "name"
1051 test_configured_prune_type true  unset true  unset kept   pruned "origin" "link"
1052 test_configured_prune_type unset  true true  unset pruned pruned "origin" "name"
1053 test_configured_prune_type unset  true true  unset kept   pruned "origin" "link"
1054 test_configured_prune_type unset  true unset true  pruned pruned "origin" "name"
1055 test_configured_prune_type unset  true unset true  kept   pruned "origin" "link"
1056
1057 # When all remote.origin.fetch settings are deleted a --prune
1058 # --prune-tags still implicitly supplies refs/tags/*:refs/tags/* so
1059 # tags, but not tracking branches, will be deleted.
1060 test_expect_success 'remove remote.origin.fetch "one"' '
1061         (
1062                 cd one &&
1063                 git config --unset-all remote.origin.fetch
1064         )
1065 '
1066 test_configured_prune_type unset unset unset unset kept pruned "origin --prune --prune-tags" "name"
1067 test_configured_prune_type unset unset unset unset kept pruned "origin --prune --prune-tags" "link"
1068
1069 test_expect_success 'all boundary commits are excluded' '
1070         test_commit base &&
1071         test_commit oneside &&
1072         git checkout HEAD^ &&
1073         test_commit otherside &&
1074         git checkout main &&
1075         test_tick &&
1076         git merge otherside &&
1077         ad=$(git log --no-walk --format=%ad HEAD) &&
1078         git bundle create twoside-boundary.bdl main --since="$ad" &&
1079         test_bundle_object_count --thin twoside-boundary.bdl 3
1080 '
1081
1082 test_expect_success 'fetch --prune prints the remotes url' '
1083         git branch goodbye &&
1084         git clone . only-prunes &&
1085         git branch -D goodbye &&
1086         (
1087                 cd only-prunes &&
1088                 git fetch --prune origin 2>&1 | head -n1 >../actual
1089         ) &&
1090         echo "From ${D}/." >expect &&
1091         test_cmp expect actual
1092 '
1093
1094 test_expect_success 'branchname D/F conflict resolved by --prune' '
1095         git branch dir/file &&
1096         git clone . prune-df-conflict &&
1097         git branch -D dir/file &&
1098         git branch dir &&
1099         (
1100                 cd prune-df-conflict &&
1101                 git fetch --prune &&
1102                 git rev-parse origin/dir >../actual
1103         ) &&
1104         git rev-parse dir >expect &&
1105         test_cmp expect actual
1106 '
1107
1108 test_expect_success 'fetching a one-level ref works' '
1109         test_commit extra &&
1110         git reset --hard HEAD^ &&
1111         git update-ref refs/foo extra &&
1112         git init one-level &&
1113         (
1114                 cd one-level &&
1115                 git fetch .. HEAD refs/foo
1116         )
1117 '
1118
1119 test_expect_success 'fetching with auto-gc does not lock up' '
1120         write_script askyesno <<-\EOF &&
1121         echo "$*" &&
1122         false
1123         EOF
1124         git clone "file://$D" auto-gc &&
1125         test_commit test2 &&
1126         (
1127                 cd auto-gc &&
1128                 git config fetch.unpackLimit 1 &&
1129                 git config gc.autoPackLimit 1 &&
1130                 git config gc.autoDetach false &&
1131                 GIT_ASK_YESNO="$D/askyesno" git fetch --verbose >fetch.out 2>&1 &&
1132                 test_i18ngrep "Auto packing the repository" fetch.out &&
1133                 ! grep "Should I try again" fetch.out
1134         )
1135 '
1136
1137 test_expect_success 'fetch aligned output' '
1138         git clone . full-output &&
1139         test_commit looooooooooooong-tag &&
1140         (
1141                 cd full-output &&
1142                 git -c fetch.output=full fetch origin >actual 2>&1 &&
1143                 grep -e "->" actual | cut -c 22- >../actual
1144         ) &&
1145         cat >expect <<-\EOF &&
1146         main                 -> origin/main
1147         looooooooooooong-tag -> looooooooooooong-tag
1148         EOF
1149         test_cmp expect actual
1150 '
1151
1152 test_expect_success 'fetch compact output' '
1153         git clone . compact &&
1154         test_commit extraaa &&
1155         (
1156                 cd compact &&
1157                 git -c fetch.output=compact fetch origin >actual 2>&1 &&
1158                 grep -e "->" actual | cut -c 22- >../actual
1159         ) &&
1160         cat >expect <<-\EOF &&
1161         main       -> origin/*
1162         extraaa    -> *
1163         EOF
1164         test_cmp expect actual
1165 '
1166
1167 test_expect_success '--no-show-forced-updates' '
1168         mkdir forced-updates &&
1169         (
1170                 cd forced-updates &&
1171                 git init &&
1172                 test_commit 1 &&
1173                 test_commit 2
1174         ) &&
1175         git clone forced-updates forced-update-clone &&
1176         git clone forced-updates no-forced-update-clone &&
1177         git -C forced-updates reset --hard HEAD~1 &&
1178         (
1179                 cd forced-update-clone &&
1180                 git fetch --show-forced-updates origin 2>output &&
1181                 test_i18ngrep "(forced update)" output
1182         ) &&
1183         (
1184                 cd no-forced-update-clone &&
1185                 git fetch --no-show-forced-updates origin 2>output &&
1186                 test_i18ngrep ! "(forced update)" output
1187         )
1188 '
1189
1190 setup_negotiation_tip () {
1191         SERVER="$1"
1192         URL="$2"
1193         USE_PROTOCOL_V2="$3"
1194
1195         rm -rf "$SERVER" client trace &&
1196         git init -b main "$SERVER" &&
1197         test_commit -C "$SERVER" alpha_1 &&
1198         test_commit -C "$SERVER" alpha_2 &&
1199         git -C "$SERVER" checkout --orphan beta &&
1200         test_commit -C "$SERVER" beta_1 &&
1201         test_commit -C "$SERVER" beta_2 &&
1202
1203         git clone "$URL" client &&
1204
1205         if test "$USE_PROTOCOL_V2" -eq 1
1206         then
1207                 git -C "$SERVER" config protocol.version 2 &&
1208                 git -C client config protocol.version 2
1209         fi &&
1210
1211         test_commit -C "$SERVER" beta_s &&
1212         git -C "$SERVER" checkout main &&
1213         test_commit -C "$SERVER" alpha_s &&
1214         git -C "$SERVER" tag -d alpha_1 alpha_2 beta_1 beta_2
1215 }
1216
1217 check_negotiation_tip () {
1218         # Ensure that {alpha,beta}_1 are sent as "have", but not {alpha_beta}_2
1219         ALPHA_1=$(git -C client rev-parse alpha_1) &&
1220         grep "fetch> have $ALPHA_1" trace &&
1221         BETA_1=$(git -C client rev-parse beta_1) &&
1222         grep "fetch> have $BETA_1" trace &&
1223         ALPHA_2=$(git -C client rev-parse alpha_2) &&
1224         ! grep "fetch> have $ALPHA_2" trace &&
1225         BETA_2=$(git -C client rev-parse beta_2) &&
1226         ! grep "fetch> have $BETA_2" trace
1227 }
1228
1229 test_expect_success '--negotiation-tip limits "have" lines sent' '
1230         setup_negotiation_tip server server 0 &&
1231         GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch \
1232                 --negotiation-tip=alpha_1 --negotiation-tip=beta_1 \
1233                 origin alpha_s beta_s &&
1234         check_negotiation_tip
1235 '
1236
1237 test_expect_success '--negotiation-tip understands globs' '
1238         setup_negotiation_tip server server 0 &&
1239         GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch \
1240                 --negotiation-tip=*_1 \
1241                 origin alpha_s beta_s &&
1242         check_negotiation_tip
1243 '
1244
1245 test_expect_success '--negotiation-tip understands abbreviated SHA-1' '
1246         setup_negotiation_tip server server 0 &&
1247         GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch \
1248                 --negotiation-tip=$(git -C client rev-parse --short alpha_1) \
1249                 --negotiation-tip=$(git -C client rev-parse --short beta_1) \
1250                 origin alpha_s beta_s &&
1251         check_negotiation_tip
1252 '
1253
1254 test_expect_success '--negotiation-tip rejects missing OIDs' '
1255         setup_negotiation_tip server server 0 &&
1256         test_must_fail git -C client fetch \
1257                 --negotiation-tip=alpha_1 \
1258                 --negotiation-tip=$(test_oid zero) \
1259                 origin alpha_s beta_s 2>err &&
1260         cat >fatal-expect <<-EOF &&
1261         fatal: the object $(test_oid zero) does not exist
1262 EOF
1263         grep fatal: err >fatal-actual &&
1264         test_cmp fatal-expect fatal-actual
1265 '
1266
1267 . "$TEST_DIRECTORY"/lib-httpd.sh
1268 start_httpd
1269
1270 test_expect_success '--negotiation-tip limits "have" lines sent with HTTP protocol v2' '
1271         setup_negotiation_tip "$HTTPD_DOCUMENT_ROOT_PATH/server" \
1272                 "$HTTPD_URL/smart/server" 1 &&
1273         GIT_TRACE_PACKET="$(pwd)/trace" git -C client fetch \
1274                 --negotiation-tip=alpha_1 --negotiation-tip=beta_1 \
1275                 origin alpha_s beta_s &&
1276         check_negotiation_tip
1277 '
1278
1279 # DO NOT add non-httpd-specific tests here, because the last part of this
1280 # test script is only executed when httpd is available and enabled.
1281
1282 test_done