t/t7406-submodule-update.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2009 Red Hat, Inc.
   4 #
   5
   6 test_description='Test updating submodules
   7
   8 This test verifies that "git submodule update" detaches the HEAD of the
   9 submodule and "git submodule update --rebase/--merge" does not detach the HEAD.
  10 '
  11
  12 . ./test-lib.sh
  13
  14
  15 compare_head()
  16 {
  17     sha_master=$(git rev-list --max-count=1 master)
  18     sha_head=$(git rev-list --max-count=1 HEAD)
  19
  20     test "$sha_master" = "$sha_head"
  21 }
  22
  23
  24 test_expect_success 'setup a submodule tree' '
  25         echo file > file &&
  26         git add file &&
  27         test_tick &&
  28         git commit -m upstream &&
  29         git clone . super &&
  30         git clone super submodule &&
  31         git clone super rebasing &&
  32         git clone super merging &&
  33         git clone super none &&
  34         (cd super &&
  35          git submodule add ../submodule submodule &&
  36          test_tick &&
  37          git commit -m "submodule" &&
  38          git submodule init submodule
  39         ) &&
  40         (cd submodule &&
  41         echo "line2" > file &&
  42         git add file &&
  43         git commit -m "Commit 2"
  44         ) &&
  45         (cd super &&
  46          (cd submodule &&
  47           git pull --rebase origin
  48          ) &&
  49          git add submodule &&
  50          git commit -m "submodule update"
  51         ) &&
  52         (cd super &&
  53          git submodule add ../rebasing rebasing &&
  54          test_tick &&
  55          git commit -m "rebasing"
  56         ) &&
  57         (cd super &&
  58          git submodule add ../merging merging &&
  59          test_tick &&
  60          git commit -m "rebasing"
  61         ) &&
  62         (cd super &&
  63          git submodule add ../none none &&
  64          test_tick &&
  65          git commit -m "none"
  66         ) &&
  67         git clone . recursivesuper &&
  68         ( cd recursivesuper
  69          git submodule add ../super super
  70         )
  71 '
  72
  73 test_expect_success 'submodule update detaching the HEAD ' '
  74         (cd super/submodule &&
  75          git reset --hard HEAD~1
  76         ) &&
  77         (cd super &&
  78          (cd submodule &&
  79           compare_head
  80          ) &&
  81          git submodule update submodule &&
  82          cd submodule &&
  83          ! compare_head
  84         )
  85 '
  86
  87 test_expect_success 'submodule update from subdirectory' '
  88         (cd super/submodule &&
  89          git reset --hard HEAD~1
  90         ) &&
  91         mkdir super/sub &&
  92         (cd super/sub &&
  93          (cd ../submodule &&
  94           compare_head
  95          ) &&
  96          git submodule update ../submodule &&
  97          cd ../submodule &&
  98          ! compare_head
  99         )
 100 '
 101
 102 supersha1=$(git -C super rev-parse HEAD)
 103 mergingsha1=$(git -C super/merging rev-parse HEAD)
 104 nonesha1=$(git -C super/none rev-parse HEAD)
 105 rebasingsha1=$(git -C super/rebasing rev-parse HEAD)
 106 submodulesha1=$(git -C super/submodule rev-parse HEAD)
 107 pwd=$(pwd)
 108
 109 cat <<EOF >expect
 110 Submodule path '../super': checked out '$supersha1'
 111 Submodule path '../super/merging': checked out '$mergingsha1'
 112 Submodule path '../super/none': checked out '$nonesha1'
 113 Submodule path '../super/rebasing': checked out '$rebasingsha1'
 114 Submodule path '../super/submodule': checked out '$submodulesha1'
 115 EOF
 116
 117 cat <<EOF >expect2
 118 Submodule 'merging' ($pwd/merging) registered for path '../super/merging'
 119 Submodule 'none' ($pwd/none) registered for path '../super/none'
 120 Submodule 'rebasing' ($pwd/rebasing) registered for path '../super/rebasing'
 121 Submodule 'submodule' ($pwd/submodule) registered for path '../super/submodule'
 122 Cloning into '$pwd/recursivesuper/super/merging'...
 123 done.
 124 Cloning into '$pwd/recursivesuper/super/none'...
 125 done.
 126 Cloning into '$pwd/recursivesuper/super/rebasing'...
 127 done.
 128 Cloning into '$pwd/recursivesuper/super/submodule'...
 129 done.
 130 EOF
 131
 132 test_expect_success 'submodule update --init --recursive from subdirectory' '
 133         git -C recursivesuper/super reset --hard HEAD^ &&
 134         (cd recursivesuper &&
 135          mkdir tmp &&
 136          cd tmp &&
 137          git submodule update --init --recursive ../super >../../actual 2>../../actual2
 138         ) &&
 139         test_i18ncmp expect actual &&
 140         test_i18ncmp expect2 actual2
 141 '
 142
 143 cat <<EOF >expect2
 144 Submodule 'foo/sub' ($pwd/withsubs/../rebasing) registered for path 'sub'
 145 EOF
 146
 147 test_expect_success 'submodule update --init from and of subdirectory' '
 148         git init withsubs &&
 149         (cd withsubs &&
 150          mkdir foo &&
 151          git submodule add "$(pwd)/../rebasing" foo/sub &&
 152          (cd foo &&
 153           git submodule deinit -f sub &&
 154           git submodule update --init sub 2>../../actual2
 155          )
 156         ) &&
 157         test_i18ncmp expect2 actual2
 158 '
 159
 160 apos="'";
 161 test_expect_success 'submodule update does not fetch already present commits' '
 162         (cd submodule &&
 163           echo line3 >> file &&
 164           git add file &&
 165           test_tick &&
 166           git commit -m "upstream line3"
 167         ) &&
 168         (cd super/submodule &&
 169           head=$(git rev-parse --verify HEAD) &&
 170           echo "Submodule path ${apos}submodule$apos: checked out $apos$head$apos" > ../../expected &&
 171           git reset --hard HEAD~1
 172         ) &&
 173         (cd super &&
 174           git submodule update > ../actual 2> ../actual.err
 175         ) &&
 176         test_i18ncmp expected actual &&
 177         ! test -s actual.err
 178 '
 179
 180 test_expect_success 'submodule update should fail due to local changes' '
 181         (cd super/submodule &&
 182          git reset --hard HEAD~1 &&
 183          echo "local change" > file
 184         ) &&
 185         (cd super &&
 186          (cd submodule &&
 187           compare_head
 188          ) &&
 189          test_must_fail git submodule update submodule
 190         )
 191 '
 192 test_expect_success 'submodule update should throw away changes with --force ' '
 193         (cd super &&
 194          (cd submodule &&
 195           compare_head
 196          ) &&
 197          git submodule update --force submodule &&
 198          cd submodule &&
 199          ! compare_head
 200         )
 201 '
 202
 203 test_expect_success 'submodule update --force forcibly checks out submodules' '
 204         (cd super &&
 205          (cd submodule &&
 206           rm -f file
 207          ) &&
 208          git submodule update --force submodule &&
 209          (cd submodule &&
 210           test "$(git status -s file)" = ""
 211          )
 212         )
 213 '
 214
 215 test_expect_success 'submodule update --remote should fetch upstream changes' '
 216         (cd submodule &&
 217          echo line4 >> file &&
 218          git add file &&
 219          test_tick &&
 220          git commit -m "upstream line4"
 221         ) &&
 222         (cd super &&
 223          git submodule update --remote --force submodule &&
 224          cd submodule &&
 225          test "$(git log -1 --oneline)" = "$(GIT_DIR=../../submodule/.git git log -1 --oneline)"
 226         )
 227 '
 228
 229 test_expect_success 'submodule update --remote should fetch upstream changes with .' '
 230         (
 231                 cd super &&
 232                 git config -f .gitmodules submodule."submodule".branch "." &&
 233                 git add .gitmodules &&
 234                 git commit -m "submodules: update from the respective superproject branch"
 235         ) &&
 236         (
 237                 cd submodule &&
 238                 echo line4a >> file &&
 239                 git add file &&
 240                 test_tick &&
 241                 git commit -m "upstream line4a" &&
 242                 git checkout -b test-branch &&
 243                 test_commit on-test-branch
 244         ) &&
 245         (
 246                 cd super &&
 247                 git submodule update --remote --force submodule &&
 248                 git -C submodule log -1 --oneline >actual
 249                 git -C ../submodule log -1 --oneline master >expect
 250                 test_cmp expect actual &&
 251                 git checkout -b test-branch &&
 252                 git submodule update --remote --force submodule &&
 253                 git -C submodule log -1 --oneline >actual
 254                 git -C ../submodule log -1 --oneline test-branch >expect
 255                 test_cmp expect actual &&
 256                 git checkout master &&
 257                 git branch -d test-branch &&
 258                 git reset --hard HEAD^
 259         )
 260 '
 261
 262 test_expect_success 'local config should override .gitmodules branch' '
 263         (cd submodule &&
 264          git checkout test-branch &&
 265          echo line5 >> file &&
 266          git add file &&
 267          test_tick &&
 268          git commit -m "upstream line5" &&
 269          git checkout master
 270         ) &&
 271         (cd super &&
 272          git config submodule.submodule.branch test-branch &&
 273          git submodule update --remote --force submodule &&
 274          cd submodule &&
 275          test "$(git log -1 --oneline)" = "$(GIT_DIR=../../submodule/.git git log -1 --oneline test-branch)"
 276         )
 277 '
 278
 279 test_expect_success 'submodule update --rebase staying on master' '
 280         (cd super/submodule &&
 281           git checkout master
 282         ) &&
 283         (cd super &&
 284          (cd submodule &&
 285           compare_head
 286          ) &&
 287          git submodule update --rebase submodule &&
 288          cd submodule &&
 289          compare_head
 290         )
 291 '
 292
 293 test_expect_success 'submodule update --merge staying on master' '
 294         (cd super/submodule &&
 295           git reset --hard HEAD~1
 296         ) &&
 297         (cd super &&
 298          (cd submodule &&
 299           compare_head
 300          ) &&
 301          git submodule update --merge submodule &&
 302          cd submodule &&
 303          compare_head
 304         )
 305 '
 306
 307 test_expect_success 'submodule update - rebase in .git/config' '
 308         (cd super &&
 309          git config submodule.submodule.update rebase
 310         ) &&
 311         (cd super/submodule &&
 312           git reset --hard HEAD~1
 313         ) &&
 314         (cd super &&
 315          (cd submodule &&
 316           compare_head
 317          ) &&
 318          git submodule update submodule &&
 319          cd submodule &&
 320          compare_head
 321         )
 322 '
 323
 324 test_expect_success 'submodule update - checkout in .git/config but --rebase given' '
 325         (cd super &&
 326          git config submodule.submodule.update checkout
 327         ) &&
 328         (cd super/submodule &&
 329           git reset --hard HEAD~1
 330         ) &&
 331         (cd super &&
 332          (cd submodule &&
 333           compare_head
 334          ) &&
 335          git submodule update --rebase submodule &&
 336          cd submodule &&
 337          compare_head
 338         )
 339 '
 340
 341 test_expect_success 'submodule update - merge in .git/config' '
 342         (cd super &&
 343          git config submodule.submodule.update merge
 344         ) &&
 345         (cd super/submodule &&
 346           git reset --hard HEAD~1
 347         ) &&
 348         (cd super &&
 349          (cd submodule &&
 350           compare_head
 351          ) &&
 352          git submodule update submodule &&
 353          cd submodule &&
 354          compare_head
 355         )
 356 '
 357
 358 test_expect_success 'submodule update - checkout in .git/config but --merge given' '
 359         (cd super &&
 360          git config submodule.submodule.update checkout
 361         ) &&
 362         (cd super/submodule &&
 363           git reset --hard HEAD~1
 364         ) &&
 365         (cd super &&
 366          (cd submodule &&
 367           compare_head
 368          ) &&
 369          git submodule update --merge submodule &&
 370          cd submodule &&
 371          compare_head
 372         )
 373 '
 374
 375 test_expect_success 'submodule update - checkout in .git/config' '
 376         (cd super &&
 377          git config submodule.submodule.update checkout
 378         ) &&
 379         (cd super/submodule &&
 380           git reset --hard HEAD^
 381         ) &&
 382         (cd super &&
 383          (cd submodule &&
 384           compare_head
 385          ) &&
 386          git submodule update submodule &&
 387          cd submodule &&
 388          ! compare_head
 389         )
 390 '
 391
 392 test_expect_success 'submodule update - command in .git/config' '
 393         (cd super &&
 394          git config submodule.submodule.update "!git checkout"
 395         ) &&
 396         (cd super/submodule &&
 397           git reset --hard HEAD^
 398         ) &&
 399         (cd super &&
 400          (cd submodule &&
 401           compare_head
 402          ) &&
 403          git submodule update submodule &&
 404          cd submodule &&
 405          ! compare_head
 406         )
 407 '
 408
 409 test_expect_success 'submodule update - command in .gitmodules is ignored' '
 410         test_when_finished "git -C super reset --hard HEAD^" &&
 411         git -C super config -f .gitmodules submodule.submodule.update "!false" &&
 412         git -C super commit -a -m "add command to .gitmodules file" &&
 413         git -C super/submodule reset --hard $submodulesha1^ &&
 414         git -C super submodule update submodule
 415 '
 416
 417 cat << EOF >expect
 418 Execution of 'false $submodulesha1' failed in submodule path 'submodule'
 419 EOF
 420
 421 test_expect_success 'submodule update - command in .git/config catches failure' '
 422         (cd super &&
 423          git config submodule.submodule.update "!false"
 424         ) &&
 425         (cd super/submodule &&
 426           git reset --hard $submodulesha1^
 427         ) &&
 428         (cd super &&
 429          test_must_fail git submodule update submodule 2>../actual
 430         ) &&
 431         test_i18ncmp actual expect
 432 '
 433
 434 cat << EOF >expect
 435 Execution of 'false $submodulesha1' failed in submodule path '../submodule'
 436 EOF
 437
 438 test_expect_success 'submodule update - command in .git/config catches failure -- subdirectory' '
 439         (cd super &&
 440          git config submodule.submodule.update "!false"
 441         ) &&
 442         (cd super/submodule &&
 443           git reset --hard $submodulesha1^
 444         ) &&
 445         (cd super &&
 446          mkdir tmp && cd tmp &&
 447          test_must_fail git submodule update ../submodule 2>../../actual
 448         ) &&
 449         test_i18ncmp actual expect
 450 '
 451
 452 test_expect_success 'submodule update - command run for initial population of submodule' '
 453         cat >expect <<-EOF &&
 454         Execution of '\''false $submodulesha1'\'' failed in submodule path '\''submodule'\''
 455         EOF
 456         rm -rf super/submodule &&
 457         test_must_fail git -C super submodule update 2>actual &&
 458         test_i18ncmp expect actual &&
 459         git -C super submodule update --checkout
 460 '
 461
 462 cat << EOF >expect
 463 Execution of 'false $submodulesha1' failed in submodule path '../super/submodule'
 464 Failed to recurse into submodule path '../super'
 465 EOF
 466
 467 test_expect_success 'recursive submodule update - command in .git/config catches failure -- subdirectory' '
 468         (cd recursivesuper &&
 469          git submodule update --remote super &&
 470          git add super &&
 471          git commit -m "update to latest to have more than one commit in submodules"
 472         ) &&
 473         git -C recursivesuper/super config submodule.submodule.update "!false" &&
 474         git -C recursivesuper/super/submodule reset --hard $submodulesha1^ &&
 475         (cd recursivesuper &&
 476          mkdir -p tmp && cd tmp &&
 477          test_must_fail git submodule update --recursive ../super 2>../../actual
 478         ) &&
 479         test_i18ncmp actual expect
 480 '
 481
 482 test_expect_success 'submodule init does not copy command into .git/config' '
 483         (cd super &&
 484          H=$(git ls-files -s submodule | cut -d" " -f2) &&
 485          mkdir submodule1 &&
 486          git update-index --add --cacheinfo 160000 $H submodule1 &&
 487          git config -f .gitmodules submodule.submodule1.path submodule1 &&
 488          git config -f .gitmodules submodule.submodule1.url ../submodule &&
 489          git config -f .gitmodules submodule.submodule1.update !false &&
 490          git submodule init submodule1 &&
 491          echo "none" >expect &&
 492          git config submodule.submodule1.update >actual &&
 493          test_cmp expect actual
 494         )
 495 '
 496
 497 test_expect_success 'submodule init picks up rebase' '
 498         (cd super &&
 499          git config -f .gitmodules submodule.rebasing.update rebase &&
 500          git submodule init rebasing &&
 501          test "rebase" = "$(git config submodule.rebasing.update)"
 502         )
 503 '
 504
 505 test_expect_success 'submodule init picks up merge' '
 506         (cd super &&
 507          git config -f .gitmodules submodule.merging.update merge &&
 508          git submodule init merging &&
 509          test "merge" = "$(git config submodule.merging.update)"
 510         )
 511 '
 512
 513 test_expect_success 'submodule update --merge  - ignores --merge  for new submodules' '
 514         test_config -C super submodule.submodule.update checkout &&
 515         (cd super &&
 516          rm -rf submodule &&
 517          git submodule update submodule &&
 518          git status -s submodule >expect &&
 519          rm -rf submodule &&
 520          git submodule update --merge submodule &&
 521          git status -s submodule >actual &&
 522          test_cmp expect actual
 523         )
 524 '
 525
 526 test_expect_success 'submodule update --rebase - ignores --rebase for new submodules' '
 527         test_config -C super submodule.submodule.update checkout &&
 528         (cd super &&
 529          rm -rf submodule &&
 530          git submodule update submodule &&
 531          git status -s submodule >expect &&
 532          rm -rf submodule &&
 533          git submodule update --rebase submodule &&
 534          git status -s submodule >actual &&
 535          test_cmp expect actual
 536         )
 537 '
 538
 539 test_expect_success 'submodule update ignores update=merge config for new submodules' '
 540         (cd super &&
 541          rm -rf submodule &&
 542          git submodule update submodule &&
 543          git status -s submodule >expect &&
 544          rm -rf submodule &&
 545          git config submodule.submodule.update merge &&
 546          git submodule update submodule &&
 547          git status -s submodule >actual &&
 548          git config --unset submodule.submodule.update &&
 549          test_cmp expect actual
 550         )
 551 '
 552
 553 test_expect_success 'submodule update ignores update=rebase config for new submodules' '
 554         (cd super &&
 555          rm -rf submodule &&
 556          git submodule update submodule &&
 557          git status -s submodule >expect &&
 558          rm -rf submodule &&
 559          git config submodule.submodule.update rebase &&
 560          git submodule update submodule &&
 561          git status -s submodule >actual &&
 562          git config --unset submodule.submodule.update &&
 563          test_cmp expect actual
 564         )
 565 '
 566
 567 test_expect_success 'submodule init picks up update=none' '
 568         (cd super &&
 569          git config -f .gitmodules submodule.none.update none &&
 570          git submodule init none &&
 571          test "none" = "$(git config submodule.none.update)"
 572         )
 573 '
 574
 575 test_expect_success 'submodule update - update=none in .git/config' '
 576         (cd super &&
 577          git config submodule.submodule.update none &&
 578          (cd submodule &&
 579           git checkout master &&
 580           compare_head
 581          ) &&
 582          git diff --raw | grep "        submodule" &&
 583          git submodule update &&
 584          git diff --raw | grep "        submodule" &&
 585          (cd submodule &&
 586           compare_head
 587          ) &&
 588          git config --unset submodule.submodule.update &&
 589          git submodule update submodule
 590         )
 591 '
 592
 593 test_expect_success 'submodule update - update=none in .git/config but --checkout given' '
 594         (cd super &&
 595          git config submodule.submodule.update none &&
 596          (cd submodule &&
 597           git checkout master &&
 598           compare_head
 599          ) &&
 600          git diff --raw | grep "        submodule" &&
 601          git submodule update --checkout &&
 602          test_must_fail git diff --raw \| grep "        submodule" &&
 603          (cd submodule &&
 604           test_must_fail compare_head
 605          ) &&
 606          git config --unset submodule.submodule.update
 607         )
 608 '
 609
 610 test_expect_success 'submodule update --init skips submodule with update=none' '
 611         (cd super &&
 612          git add .gitmodules &&
 613          git commit -m ".gitmodules"
 614         ) &&
 615         git clone super cloned &&
 616         (cd cloned &&
 617          git submodule update --init &&
 618          test -e submodule/.git &&
 619          test_must_fail test -e none/.git
 620         )
 621 '
 622
 623 test_expect_success 'submodule update continues after checkout error' '
 624         (cd super &&
 625          git reset --hard HEAD &&
 626          git submodule add ../submodule submodule2 &&
 627          git submodule init &&
 628          git commit -am "new_submodule" &&
 629          (cd submodule2 &&
 630           git rev-parse --verify HEAD >../expect
 631          ) &&
 632          (cd submodule &&
 633           test_commit "update_submodule" file
 634          ) &&
 635          (cd submodule2 &&
 636           test_commit "update_submodule2" file
 637          ) &&
 638          git add submodule &&
 639          git add submodule2 &&
 640          git commit -m "two_new_submodule_commits" &&
 641          (cd submodule &&
 642           echo "" > file
 643          ) &&
 644          git checkout HEAD^ &&
 645          test_must_fail git submodule update &&
 646          (cd submodule2 &&
 647           git rev-parse --verify HEAD >../actual
 648          ) &&
 649          test_cmp expect actual
 650         )
 651 '
 652 test_expect_success 'submodule update continues after recursive checkout error' '
 653         (cd super &&
 654          git reset --hard HEAD &&
 655          git checkout master &&
 656          git submodule update &&
 657          (cd submodule &&
 658           git submodule add ../submodule subsubmodule &&
 659           git submodule init &&
 660           git commit -m "new_subsubmodule"
 661          ) &&
 662          git add submodule &&
 663          git commit -m "update_submodule" &&
 664          (cd submodule &&
 665           (cd subsubmodule &&
 666            test_commit "update_subsubmodule" file
 667           ) &&
 668           git add subsubmodule &&
 669           test_commit "update_submodule_again" file &&
 670           (cd subsubmodule &&
 671            test_commit "update_subsubmodule_again" file
 672           ) &&
 673           test_commit "update_submodule_again_again" file
 674          ) &&
 675          (cd submodule2 &&
 676           git rev-parse --verify HEAD >../expect &&
 677           test_commit "update_submodule2_again" file
 678          ) &&
 679          git add submodule &&
 680          git add submodule2 &&
 681          git commit -m "new_commits" &&
 682          git checkout HEAD^ &&
 683          (cd submodule &&
 684           git checkout HEAD^ &&
 685           (cd subsubmodule &&
 686            echo "" > file
 687           )
 688          ) &&
 689          test_must_fail git submodule update --recursive &&
 690          (cd submodule2 &&
 691           git rev-parse --verify HEAD >../actual
 692          ) &&
 693          test_cmp expect actual
 694         )
 695 '
 696
 697 test_expect_success 'submodule update exit immediately in case of merge conflict' '
 698         (cd super &&
 699          git checkout master &&
 700          git reset --hard HEAD &&
 701          (cd submodule &&
 702           (cd subsubmodule &&
 703            git reset --hard HEAD
 704           )
 705          ) &&
 706          git submodule update --recursive &&
 707          (cd submodule &&
 708           test_commit "update_submodule_2" file
 709          ) &&
 710          (cd submodule2 &&
 711           test_commit "update_submodule2_2" file
 712          ) &&
 713          git add submodule &&
 714          git add submodule2 &&
 715          git commit -m "two_new_submodule_commits" &&
 716          (cd submodule &&
 717           git checkout master &&
 718           test_commit "conflict" file &&
 719           echo "conflict" > file
 720          ) &&
 721          git checkout HEAD^ &&
 722          (cd submodule2 &&
 723           git rev-parse --verify HEAD >../expect
 724          ) &&
 725          git config submodule.submodule.update merge &&
 726          test_must_fail git submodule update &&
 727          (cd submodule2 &&
 728           git rev-parse --verify HEAD >../actual
 729          ) &&
 730          test_cmp expect actual
 731         )
 732 '
 733
 734 test_expect_success 'submodule update exit immediately after recursive rebase error' '
 735         (cd super &&
 736          git checkout master &&
 737          git reset --hard HEAD &&
 738          (cd submodule &&
 739           git reset --hard HEAD &&
 740           git submodule update --recursive
 741          ) &&
 742          (cd submodule &&
 743           test_commit "update_submodule_3" file
 744          ) &&
 745          (cd submodule2 &&
 746           test_commit "update_submodule2_3" file
 747          ) &&
 748          git add submodule &&
 749          git add submodule2 &&
 750          git commit -m "two_new_submodule_commits" &&
 751          (cd submodule &&
 752           git checkout master &&
 753           test_commit "conflict2" file &&
 754           echo "conflict" > file
 755          ) &&
 756          git checkout HEAD^ &&
 757          (cd submodule2 &&
 758           git rev-parse --verify HEAD >../expect
 759          ) &&
 760          git config submodule.submodule.update rebase &&
 761          test_must_fail git submodule update &&
 762          (cd submodule2 &&
 763           git rev-parse --verify HEAD >../actual
 764          ) &&
 765          test_cmp expect actual
 766         )
 767 '
 768
 769 test_expect_success 'add different submodules to the same path' '
 770         (cd super &&
 771          git submodule add ../submodule s1 &&
 772          test_must_fail git submodule add ../merging s1
 773         )
 774 '
 775
 776 test_expect_success 'submodule add places git-dir in superprojects git-dir' '
 777         (cd super &&
 778          mkdir deeper &&
 779          git submodule add ../submodule deeper/submodule &&
 780          (cd deeper/submodule &&
 781           git log > ../../expected
 782          ) &&
 783          (cd .git/modules/deeper/submodule &&
 784           git log > ../../../../actual
 785          ) &&
 786          test_cmp actual expected
 787         )
 788 '
 789
 790 test_expect_success 'submodule update places git-dir in superprojects git-dir' '
 791         (cd super &&
 792          git commit -m "added submodule"
 793         ) &&
 794         git clone super super2 &&
 795         (cd super2 &&
 796          git submodule init deeper/submodule &&
 797          git submodule update &&
 798          (cd deeper/submodule &&
 799           git log > ../../expected
 800          ) &&
 801          (cd .git/modules/deeper/submodule &&
 802           git log > ../../../../actual
 803          ) &&
 804          test_cmp actual expected
 805         )
 806 '
 807
 808 test_expect_success 'submodule add places git-dir in superprojects git-dir recursive' '
 809         (cd super2 &&
 810          (cd deeper/submodule &&
 811           git submodule add ../submodule subsubmodule &&
 812           (cd subsubmodule &&
 813            git log > ../../../expected
 814           ) &&
 815           git commit -m "added subsubmodule" &&
 816           git push origin :
 817          ) &&
 818          (cd .git/modules/deeper/submodule/modules/subsubmodule &&
 819           git log > ../../../../../actual
 820          ) &&
 821          git add deeper/submodule &&
 822          git commit -m "update submodule" &&
 823          git push origin : &&
 824          test_cmp actual expected
 825         )
 826 '
 827
 828 test_expect_success 'submodule update places git-dir in superprojects git-dir recursive' '
 829         mkdir super_update_r &&
 830         (cd super_update_r &&
 831          git init --bare
 832         ) &&
 833         mkdir subsuper_update_r &&
 834         (cd subsuper_update_r &&
 835          git init --bare
 836         ) &&
 837         mkdir subsubsuper_update_r &&
 838         (cd subsubsuper_update_r &&
 839          git init --bare
 840         ) &&
 841         git clone subsubsuper_update_r subsubsuper_update_r2 &&
 842         (cd subsubsuper_update_r2 &&
 843          test_commit "update_subsubsuper" file &&
 844          git push origin master
 845         ) &&
 846         git clone subsuper_update_r subsuper_update_r2 &&
 847         (cd subsuper_update_r2 &&
 848          test_commit "update_subsuper" file &&
 849          git submodule add ../subsubsuper_update_r subsubmodule &&
 850          git commit -am "subsubmodule" &&
 851          git push origin master
 852         ) &&
 853         git clone super_update_r super_update_r2 &&
 854         (cd super_update_r2 &&
 855          test_commit "update_super" file &&
 856          git submodule add ../subsuper_update_r submodule &&
 857          git commit -am "submodule" &&
 858          git push origin master
 859         ) &&
 860         rm -rf super_update_r2 &&
 861         git clone super_update_r super_update_r2 &&
 862         (cd super_update_r2 &&
 863          git submodule update --init --recursive >actual &&
 864          test_i18ngrep "Submodule path .submodule/subsubmodule.: checked out" actual &&
 865          (cd submodule/subsubmodule &&
 866           git log > ../../expected
 867          ) &&
 868          (cd .git/modules/submodule/modules/subsubmodule
 869           git log > ../../../../../actual
 870          )
 871          test_cmp actual expected
 872         )
 873 '
 874
 875 test_expect_success 'submodule add properly re-creates deeper level submodules' '
 876         (cd super &&
 877          git reset --hard master &&
 878          rm -rf deeper/ &&
 879          git submodule add --force ../submodule deeper/submodule
 880         )
 881 '
 882
 883 test_expect_success 'submodule update properly revives a moved submodule' '
 884         (cd super &&
 885          H=$(git rev-parse --short HEAD) &&
 886          git commit -am "pre move" &&
 887          H2=$(git rev-parse --short HEAD) &&
 888          git status | sed "s/$H/XXX/" >expect &&
 889          H=$(cd submodule2; git rev-parse HEAD) &&
 890          git rm --cached submodule2 &&
 891          rm -rf submodule2 &&
 892          mkdir -p "moved/sub module" &&
 893          git update-index --add --cacheinfo 160000 $H "moved/sub module" &&
 894          git config -f .gitmodules submodule.submodule2.path "moved/sub module"
 895          git commit -am "post move" &&
 896          git submodule update &&
 897          git status | sed "s/$H2/XXX/" >actual &&
 898          test_cmp expect actual
 899         )
 900 '
 901
 902 test_expect_success SYMLINKS 'submodule update can handle symbolic links in pwd' '
 903         mkdir -p linked/dir &&
 904         ln -s linked/dir linkto &&
 905         (cd linkto &&
 906          git clone "$TRASH_DIRECTORY"/super_update_r2 super &&
 907          (cd super &&
 908           git submodule update --init --recursive
 909          )
 910         )
 911 '
 912
 913 test_expect_success 'submodule update clone shallow submodule' '
 914         test_when_finished "rm -rf super3" &&
 915         first=$(git -C cloned submodule status submodule |cut -c2-41) &&
 916         second=$(git -C submodule rev-parse HEAD) &&
 917         commit_count=$(git -C submodule rev-list --count $first^..$second) &&
 918         git clone cloned super3 &&
 919         pwd=$(pwd) &&
 920         (
 921                 cd super3 &&
 922                 sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp &&
 923                 mv -f .gitmodules.tmp .gitmodules &&
 924                 git submodule update --init --depth=$commit_count &&
 925                 test 1 = $(git -C submodule log --oneline | wc -l)
 926         )
 927 '
 928
 929 test_expect_success 'submodule update clone shallow submodule outside of depth' '
 930         test_when_finished "rm -rf super3" &&
 931         git clone cloned super3 &&
 932         pwd=$(pwd) &&
 933         (
 934                 cd super3 &&
 935                 sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp &&
 936                 mv -f .gitmodules.tmp .gitmodules &&
 937                 test_must_fail git submodule update --init --depth=1 2>actual &&
 938                 test_i18ngrep "Direct fetching of that commit failed." actual &&
 939                 git -C ../submodule config uploadpack.allowReachableSHA1InWant true &&
 940                 git submodule update --init --depth=1 >actual &&
 941                 test 1 = $(git -C submodule log --oneline | wc -l)
 942         )
 943 '
 944
 945 test_expect_success 'submodule update --recursive drops module name before recursing' '
 946         (cd super2 &&
 947          (cd deeper/submodule/subsubmodule &&
 948           git checkout HEAD^
 949          ) &&
 950          git submodule update --recursive deeper/submodule >actual &&
 951          test_i18ngrep "Submodule path .deeper/submodule/subsubmodule.: checked out" actual
 952         )
 953 '
 954
 955 test_expect_success 'submodule update can be run in parallel' '
 956         (cd super2 &&
 957          GIT_TRACE=$(pwd)/trace.out git submodule update --jobs 7 &&
 958          grep "7 tasks" trace.out &&
 959          git config submodule.fetchJobs 8 &&
 960          GIT_TRACE=$(pwd)/trace.out git submodule update &&
 961          grep "8 tasks" trace.out &&
 962          GIT_TRACE=$(pwd)/trace.out git submodule update --jobs 9 &&
 963          grep "9 tasks" trace.out
 964         )
 965 '
 966
 967 test_expect_success 'git clone passes the parallel jobs config on to submodules' '
 968         test_when_finished "rm -rf super4" &&
 969         GIT_TRACE=$(pwd)/trace.out git clone --recurse-submodules --jobs 7 . super4 &&
 970         grep "7 tasks" trace.out &&
 971         rm -rf super4 &&
 972         git config --global submodule.fetchJobs 8 &&
 973         GIT_TRACE=$(pwd)/trace.out git clone --recurse-submodules . super4 &&
 974         grep "8 tasks" trace.out &&
 975         rm -rf super4 &&
 976         GIT_TRACE=$(pwd)/trace.out git clone --recurse-submodules --jobs 9 . super4 &&
 977         grep "9 tasks" trace.out &&
 978         rm -rf super4
 979 '
 980
 981 test_done