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 cat << EOF >expect
 410 Execution of 'false $submodulesha1' failed in submodule path 'submodule'
 411 EOF
 412
 413 test_expect_success 'submodule update - command in .git/config catches failure' '
 414         (cd super &&
 415          git config submodule.submodule.update "!false"
 416         ) &&
 417         (cd super/submodule &&
 418           git reset --hard $submodulesha1^
 419         ) &&
 420         (cd super &&
 421          test_must_fail git submodule update submodule 2>../actual
 422         ) &&
 423         test_i18ncmp actual expect
 424 '
 425
 426 cat << EOF >expect
 427 Execution of 'false $submodulesha1' failed in submodule path '../submodule'
 428 EOF
 429
 430 test_expect_success 'submodule update - command in .git/config catches failure -- subdirectory' '
 431         (cd super &&
 432          git config submodule.submodule.update "!false"
 433         ) &&
 434         (cd super/submodule &&
 435           git reset --hard $submodulesha1^
 436         ) &&
 437         (cd super &&
 438          mkdir tmp && cd tmp &&
 439          test_must_fail git submodule update ../submodule 2>../../actual
 440         ) &&
 441         test_i18ncmp actual expect
 442 '
 443
 444 test_expect_success 'submodule update - command run for initial population of submodule' '
 445         cat >expect <<-EOF &&
 446         Execution of '\''false $submodulesha1'\'' failed in submodule path '\''submodule'\''
 447         EOF
 448         rm -rf super/submodule &&
 449         test_must_fail git -C super submodule update 2>actual &&
 450         test_i18ncmp expect actual &&
 451         git -C super submodule update --checkout
 452 '
 453
 454 cat << EOF >expect
 455 Execution of 'false $submodulesha1' failed in submodule path '../super/submodule'
 456 Failed to recurse into submodule path '../super'
 457 EOF
 458
 459 test_expect_success 'recursive submodule update - command in .git/config catches failure -- subdirectory' '
 460         (cd recursivesuper &&
 461          git submodule update --remote super &&
 462          git add super &&
 463          git commit -m "update to latest to have more than one commit in submodules"
 464         ) &&
 465         git -C recursivesuper/super config submodule.submodule.update "!false" &&
 466         git -C recursivesuper/super/submodule reset --hard $submodulesha1^ &&
 467         (cd recursivesuper &&
 468          mkdir -p tmp && cd tmp &&
 469          test_must_fail git submodule update --recursive ../super 2>../../actual
 470         ) &&
 471         test_i18ncmp actual expect
 472 '
 473
 474 test_expect_success 'submodule init does not copy command into .git/config' '
 475         (cd super &&
 476          H=$(git ls-files -s submodule | cut -d" " -f2) &&
 477          mkdir submodule1 &&
 478          git update-index --add --cacheinfo 160000 $H submodule1 &&
 479          git config -f .gitmodules submodule.submodule1.path submodule1 &&
 480          git config -f .gitmodules submodule.submodule1.url ../submodule &&
 481          git config -f .gitmodules submodule.submodule1.update !false &&
 482          git submodule init submodule1 &&
 483          echo "none" >expect &&
 484          git config submodule.submodule1.update >actual &&
 485          test_cmp expect actual
 486         )
 487 '
 488
 489 test_expect_success 'submodule init picks up rebase' '
 490         (cd super &&
 491          git config -f .gitmodules submodule.rebasing.update rebase &&
 492          git submodule init rebasing &&
 493          test "rebase" = "$(git config submodule.rebasing.update)"
 494         )
 495 '
 496
 497 test_expect_success 'submodule init picks up merge' '
 498         (cd super &&
 499          git config -f .gitmodules submodule.merging.update merge &&
 500          git submodule init merging &&
 501          test "merge" = "$(git config submodule.merging.update)"
 502         )
 503 '
 504
 505 test_expect_success 'submodule update --merge  - ignores --merge  for new submodules' '
 506         test_config -C super submodule.submodule.update checkout &&
 507         (cd super &&
 508          rm -rf submodule &&
 509          git submodule update submodule &&
 510          git status -s submodule >expect &&
 511          rm -rf submodule &&
 512          git submodule update --merge submodule &&
 513          git status -s submodule >actual &&
 514          test_cmp expect actual
 515         )
 516 '
 517
 518 test_expect_success 'submodule update --rebase - ignores --rebase for new submodules' '
 519         test_config -C super submodule.submodule.update checkout &&
 520         (cd super &&
 521          rm -rf submodule &&
 522          git submodule update submodule &&
 523          git status -s submodule >expect &&
 524          rm -rf submodule &&
 525          git submodule update --rebase submodule &&
 526          git status -s submodule >actual &&
 527          test_cmp expect actual
 528         )
 529 '
 530
 531 test_expect_success 'submodule update ignores update=merge config for new submodules' '
 532         (cd super &&
 533          rm -rf submodule &&
 534          git submodule update submodule &&
 535          git status -s submodule >expect &&
 536          rm -rf submodule &&
 537          git config submodule.submodule.update merge &&
 538          git submodule update submodule &&
 539          git status -s submodule >actual &&
 540          git config --unset submodule.submodule.update &&
 541          test_cmp expect actual
 542         )
 543 '
 544
 545 test_expect_success 'submodule update ignores update=rebase config for new submodules' '
 546         (cd super &&
 547          rm -rf submodule &&
 548          git submodule update submodule &&
 549          git status -s submodule >expect &&
 550          rm -rf submodule &&
 551          git config submodule.submodule.update rebase &&
 552          git submodule update submodule &&
 553          git status -s submodule >actual &&
 554          git config --unset submodule.submodule.update &&
 555          test_cmp expect actual
 556         )
 557 '
 558
 559 test_expect_success 'submodule init picks up update=none' '
 560         (cd super &&
 561          git config -f .gitmodules submodule.none.update none &&
 562          git submodule init none &&
 563          test "none" = "$(git config submodule.none.update)"
 564         )
 565 '
 566
 567 test_expect_success 'submodule update - update=none in .git/config' '
 568         (cd super &&
 569          git config submodule.submodule.update none &&
 570          (cd submodule &&
 571           git checkout master &&
 572           compare_head
 573          ) &&
 574          git diff --raw | grep "        submodule" &&
 575          git submodule update &&
 576          git diff --raw | grep "        submodule" &&
 577          (cd submodule &&
 578           compare_head
 579          ) &&
 580          git config --unset submodule.submodule.update &&
 581          git submodule update submodule
 582         )
 583 '
 584
 585 test_expect_success 'submodule update - update=none in .git/config but --checkout given' '
 586         (cd super &&
 587          git config submodule.submodule.update none &&
 588          (cd submodule &&
 589           git checkout master &&
 590           compare_head
 591          ) &&
 592          git diff --raw | grep "        submodule" &&
 593          git submodule update --checkout &&
 594          test_must_fail git diff --raw \| grep "        submodule" &&
 595          (cd submodule &&
 596           test_must_fail compare_head
 597          ) &&
 598          git config --unset submodule.submodule.update
 599         )
 600 '
 601
 602 test_expect_success 'submodule update --init skips submodule with update=none' '
 603         (cd super &&
 604          git add .gitmodules &&
 605          git commit -m ".gitmodules"
 606         ) &&
 607         git clone super cloned &&
 608         (cd cloned &&
 609          git submodule update --init &&
 610          test -e submodule/.git &&
 611          test_must_fail test -e none/.git
 612         )
 613 '
 614
 615 test_expect_success 'submodule update continues after checkout error' '
 616         (cd super &&
 617          git reset --hard HEAD &&
 618          git submodule add ../submodule submodule2 &&
 619          git submodule init &&
 620          git commit -am "new_submodule" &&
 621          (cd submodule2 &&
 622           git rev-parse --verify HEAD >../expect
 623          ) &&
 624          (cd submodule &&
 625           test_commit "update_submodule" file
 626          ) &&
 627          (cd submodule2 &&
 628           test_commit "update_submodule2" file
 629          ) &&
 630          git add submodule &&
 631          git add submodule2 &&
 632          git commit -m "two_new_submodule_commits" &&
 633          (cd submodule &&
 634           echo "" > file
 635          ) &&
 636          git checkout HEAD^ &&
 637          test_must_fail git submodule update &&
 638          (cd submodule2 &&
 639           git rev-parse --verify HEAD >../actual
 640          ) &&
 641          test_cmp expect actual
 642         )
 643 '
 644 test_expect_success 'submodule update continues after recursive checkout error' '
 645         (cd super &&
 646          git reset --hard HEAD &&
 647          git checkout master &&
 648          git submodule update &&
 649          (cd submodule &&
 650           git submodule add ../submodule subsubmodule &&
 651           git submodule init &&
 652           git commit -m "new_subsubmodule"
 653          ) &&
 654          git add submodule &&
 655          git commit -m "update_submodule" &&
 656          (cd submodule &&
 657           (cd subsubmodule &&
 658            test_commit "update_subsubmodule" file
 659           ) &&
 660           git add subsubmodule &&
 661           test_commit "update_submodule_again" file &&
 662           (cd subsubmodule &&
 663            test_commit "update_subsubmodule_again" file
 664           ) &&
 665           test_commit "update_submodule_again_again" file
 666          ) &&
 667          (cd submodule2 &&
 668           git rev-parse --verify HEAD >../expect &&
 669           test_commit "update_submodule2_again" file
 670          ) &&
 671          git add submodule &&
 672          git add submodule2 &&
 673          git commit -m "new_commits" &&
 674          git checkout HEAD^ &&
 675          (cd submodule &&
 676           git checkout HEAD^ &&
 677           (cd subsubmodule &&
 678            echo "" > file
 679           )
 680          ) &&
 681          test_must_fail git submodule update --recursive &&
 682          (cd submodule2 &&
 683           git rev-parse --verify HEAD >../actual
 684          ) &&
 685          test_cmp expect actual
 686         )
 687 '
 688
 689 test_expect_success 'submodule update exit immediately in case of merge conflict' '
 690         (cd super &&
 691          git checkout master &&
 692          git reset --hard HEAD &&
 693          (cd submodule &&
 694           (cd subsubmodule &&
 695            git reset --hard HEAD
 696           )
 697          ) &&
 698          git submodule update --recursive &&
 699          (cd submodule &&
 700           test_commit "update_submodule_2" file
 701          ) &&
 702          (cd submodule2 &&
 703           test_commit "update_submodule2_2" file
 704          ) &&
 705          git add submodule &&
 706          git add submodule2 &&
 707          git commit -m "two_new_submodule_commits" &&
 708          (cd submodule &&
 709           git checkout master &&
 710           test_commit "conflict" file &&
 711           echo "conflict" > file
 712          ) &&
 713          git checkout HEAD^ &&
 714          (cd submodule2 &&
 715           git rev-parse --verify HEAD >../expect
 716          ) &&
 717          git config submodule.submodule.update merge &&
 718          test_must_fail git submodule update &&
 719          (cd submodule2 &&
 720           git rev-parse --verify HEAD >../actual
 721          ) &&
 722          test_cmp expect actual
 723         )
 724 '
 725
 726 test_expect_success 'submodule update exit immediately after recursive rebase error' '
 727         (cd super &&
 728          git checkout master &&
 729          git reset --hard HEAD &&
 730          (cd submodule &&
 731           git reset --hard HEAD &&
 732           git submodule update --recursive
 733          ) &&
 734          (cd submodule &&
 735           test_commit "update_submodule_3" file
 736          ) &&
 737          (cd submodule2 &&
 738           test_commit "update_submodule2_3" file
 739          ) &&
 740          git add submodule &&
 741          git add submodule2 &&
 742          git commit -m "two_new_submodule_commits" &&
 743          (cd submodule &&
 744           git checkout master &&
 745           test_commit "conflict2" file &&
 746           echo "conflict" > file
 747          ) &&
 748          git checkout HEAD^ &&
 749          (cd submodule2 &&
 750           git rev-parse --verify HEAD >../expect
 751          ) &&
 752          git config submodule.submodule.update rebase &&
 753          test_must_fail git submodule update &&
 754          (cd submodule2 &&
 755           git rev-parse --verify HEAD >../actual
 756          ) &&
 757          test_cmp expect actual
 758         )
 759 '
 760
 761 test_expect_success 'add different submodules to the same path' '
 762         (cd super &&
 763          git submodule add ../submodule s1 &&
 764          test_must_fail git submodule add ../merging s1
 765         )
 766 '
 767
 768 test_expect_success 'submodule add places git-dir in superprojects git-dir' '
 769         (cd super &&
 770          mkdir deeper &&
 771          git submodule add ../submodule deeper/submodule &&
 772          (cd deeper/submodule &&
 773           git log > ../../expected
 774          ) &&
 775          (cd .git/modules/deeper/submodule &&
 776           git log > ../../../../actual
 777          ) &&
 778          test_cmp actual expected
 779         )
 780 '
 781
 782 test_expect_success 'submodule update places git-dir in superprojects git-dir' '
 783         (cd super &&
 784          git commit -m "added submodule"
 785         ) &&
 786         git clone super super2 &&
 787         (cd super2 &&
 788          git submodule init deeper/submodule &&
 789          git submodule update &&
 790          (cd deeper/submodule &&
 791           git log > ../../expected
 792          ) &&
 793          (cd .git/modules/deeper/submodule &&
 794           git log > ../../../../actual
 795          ) &&
 796          test_cmp actual expected
 797         )
 798 '
 799
 800 test_expect_success 'submodule add places git-dir in superprojects git-dir recursive' '
 801         (cd super2 &&
 802          (cd deeper/submodule &&
 803           git submodule add ../submodule subsubmodule &&
 804           (cd subsubmodule &&
 805            git log > ../../../expected
 806           ) &&
 807           git commit -m "added subsubmodule" &&
 808           git push origin :
 809          ) &&
 810          (cd .git/modules/deeper/submodule/modules/subsubmodule &&
 811           git log > ../../../../../actual
 812          ) &&
 813          git add deeper/submodule &&
 814          git commit -m "update submodule" &&
 815          git push origin : &&
 816          test_cmp actual expected
 817         )
 818 '
 819
 820 test_expect_success 'submodule update places git-dir in superprojects git-dir recursive' '
 821         mkdir super_update_r &&
 822         (cd super_update_r &&
 823          git init --bare
 824         ) &&
 825         mkdir subsuper_update_r &&
 826         (cd subsuper_update_r &&
 827          git init --bare
 828         ) &&
 829         mkdir subsubsuper_update_r &&
 830         (cd subsubsuper_update_r &&
 831          git init --bare
 832         ) &&
 833         git clone subsubsuper_update_r subsubsuper_update_r2 &&
 834         (cd subsubsuper_update_r2 &&
 835          test_commit "update_subsubsuper" file &&
 836          git push origin master
 837         ) &&
 838         git clone subsuper_update_r subsuper_update_r2 &&
 839         (cd subsuper_update_r2 &&
 840          test_commit "update_subsuper" file &&
 841          git submodule add ../subsubsuper_update_r subsubmodule &&
 842          git commit -am "subsubmodule" &&
 843          git push origin master
 844         ) &&
 845         git clone super_update_r super_update_r2 &&
 846         (cd super_update_r2 &&
 847          test_commit "update_super" file &&
 848          git submodule add ../subsuper_update_r submodule &&
 849          git commit -am "submodule" &&
 850          git push origin master
 851         ) &&
 852         rm -rf super_update_r2 &&
 853         git clone super_update_r super_update_r2 &&
 854         (cd super_update_r2 &&
 855          git submodule update --init --recursive >actual &&
 856          test_i18ngrep "Submodule path .submodule/subsubmodule.: checked out" actual &&
 857          (cd submodule/subsubmodule &&
 858           git log > ../../expected
 859          ) &&
 860          (cd .git/modules/submodule/modules/subsubmodule
 861           git log > ../../../../../actual
 862          )
 863          test_cmp actual expected
 864         )
 865 '
 866
 867 test_expect_success 'submodule add properly re-creates deeper level submodules' '
 868         (cd super &&
 869          git reset --hard master &&
 870          rm -rf deeper/ &&
 871          git submodule add --force ../submodule deeper/submodule
 872         )
 873 '
 874
 875 test_expect_success 'submodule update properly revives a moved submodule' '
 876         (cd super &&
 877          H=$(git rev-parse --short HEAD) &&
 878          git commit -am "pre move" &&
 879          H2=$(git rev-parse --short HEAD) &&
 880          git status | sed "s/$H/XXX/" >expect &&
 881          H=$(cd submodule2; git rev-parse HEAD) &&
 882          git rm --cached submodule2 &&
 883          rm -rf submodule2 &&
 884          mkdir -p "moved/sub module" &&
 885          git update-index --add --cacheinfo 160000 $H "moved/sub module" &&
 886          git config -f .gitmodules submodule.submodule2.path "moved/sub module"
 887          git commit -am "post move" &&
 888          git submodule update &&
 889          git status | sed "s/$H2/XXX/" >actual &&
 890          test_cmp expect actual
 891         )
 892 '
 893
 894 test_expect_success SYMLINKS 'submodule update can handle symbolic links in pwd' '
 895         mkdir -p linked/dir &&
 896         ln -s linked/dir linkto &&
 897         (cd linkto &&
 898          git clone "$TRASH_DIRECTORY"/super_update_r2 super &&
 899          (cd super &&
 900           git submodule update --init --recursive
 901          )
 902         )
 903 '
 904
 905 test_expect_success 'submodule update clone shallow submodule' '
 906         test_when_finished "rm -rf super3" &&
 907         first=$(git -C cloned submodule status submodule |cut -c2-41) &&
 908         second=$(git -C submodule rev-parse HEAD) &&
 909         commit_count=$(git -C submodule rev-list --count $first^..$second) &&
 910         git clone cloned super3 &&
 911         pwd=$(pwd) &&
 912         (
 913                 cd super3 &&
 914                 sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp &&
 915                 mv -f .gitmodules.tmp .gitmodules &&
 916                 git submodule update --init --depth=$commit_count &&
 917                 test 1 = $(git -C submodule log --oneline | wc -l)
 918         )
 919 '
 920
 921 test_expect_success 'submodule update clone shallow submodule outside of depth' '
 922         test_when_finished "rm -rf super3" &&
 923         git clone cloned super3 &&
 924         pwd=$(pwd) &&
 925         (
 926                 cd super3 &&
 927                 sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp &&
 928                 mv -f .gitmodules.tmp .gitmodules &&
 929                 test_must_fail git submodule update --init --depth=1 2>actual &&
 930                 test_i18ngrep "Direct fetching of that commit failed." actual &&
 931                 git -C ../submodule config uploadpack.allowReachableSHA1InWant true &&
 932                 git submodule update --init --depth=1 >actual &&
 933                 test 1 = $(git -C submodule log --oneline | wc -l)
 934         )
 935 '
 936
 937 test_expect_success 'submodule update --recursive drops module name before recursing' '
 938         (cd super2 &&
 939          (cd deeper/submodule/subsubmodule &&
 940           git checkout HEAD^
 941          ) &&
 942          git submodule update --recursive deeper/submodule >actual &&
 943          test_i18ngrep "Submodule path .deeper/submodule/subsubmodule.: checked out" actual
 944         )
 945 '
 946
 947 test_expect_success 'submodule update can be run in parallel' '
 948         (cd super2 &&
 949          GIT_TRACE=$(pwd)/trace.out git submodule update --jobs 7 &&
 950          grep "7 tasks" trace.out &&
 951          git config submodule.fetchJobs 8 &&
 952          GIT_TRACE=$(pwd)/trace.out git submodule update &&
 953          grep "8 tasks" trace.out &&
 954          GIT_TRACE=$(pwd)/trace.out git submodule update --jobs 9 &&
 955          grep "9 tasks" trace.out
 956         )
 957 '
 958
 959 test_expect_success 'git clone passes the parallel jobs config on to submodules' '
 960         test_when_finished "rm -rf super4" &&
 961         GIT_TRACE=$(pwd)/trace.out git clone --recurse-submodules --jobs 7 . super4 &&
 962         grep "7 tasks" trace.out &&
 963         rm -rf super4 &&
 964         git config --global submodule.fetchJobs 8 &&
 965         GIT_TRACE=$(pwd)/trace.out git clone --recurse-submodules . super4 &&
 966         grep "8 tasks" trace.out &&
 967         rm -rf super4 &&
 968         GIT_TRACE=$(pwd)/trace.out git clone --recurse-submodules --jobs 9 . super4 &&
 969         grep "9 tasks" trace.out &&
 970         rm -rf super4
 971 '
 972
 973 test_done