Andrew's git / gitweb.git / t/t7201-co.sh
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t / t7201-co.shon commit fsck: avoid looking at NULL blob->object (47cc913)
   1#!/bin/sh
   2#
   3# Copyright (c) 2006 Junio C Hamano
   4#
   5
   6test_description='git checkout tests.
   7
   8Creates master, forks renamer and side branches from it.
   9Test switching across them.
  10
  11  ! [master] Initial A one, A two
  12   * [renamer] Renamer R one->uno, M two
  13    ! [side] Side M one, D two, A three
  14     ! [simple] Simple D one, M two
  15  ----
  16     + [simple] Simple D one, M two
  17    +  [side] Side M one, D two, A three
  18   *   [renamer] Renamer R one->uno, M two
  19  +*++ [master] Initial A one, A two
  20
  21'
  22
  23. ./test-lib.sh
  24
  25test_tick
  26
  27fill () {
  28        for i
  29        do
  30                echo "$i"
  31        done
  32}
  33
  34
  35test_expect_success setup '
  36
  37        fill x y z > same &&
  38        fill 1 2 3 4 5 6 7 8 >one &&
  39        fill a b c d e >two &&
  40        git add same one two &&
  41        git commit -m "Initial A one, A two" &&
  42
  43        git checkout -b renamer &&
  44        rm -f one &&
  45        fill 1 3 4 5 6 7 8 >uno &&
  46        git add uno &&
  47        fill a b c d e f >two &&
  48        git commit -a -m "Renamer R one->uno, M two" &&
  49
  50        git checkout -b side master &&
  51        fill 1 2 3 4 5 6 7 >one &&
  52        fill A B C D E >three &&
  53        rm -f two &&
  54        git update-index --add --remove one two three &&
  55        git commit -m "Side M one, D two, A three" &&
  56
  57        git checkout -b simple master &&
  58        rm -f one &&
  59        fill a c e > two &&
  60        git commit -a -m "Simple D one, M two" &&
  61
  62        git checkout master
  63'
  64
  65test_expect_success "checkout from non-existing branch" '
  66
  67        git checkout -b delete-me master &&
  68        rm .git/refs/heads/delete-me &&
  69        test refs/heads/delete-me = "$(git symbolic-ref HEAD)" &&
  70        git checkout master &&
  71        test refs/heads/master = "$(git symbolic-ref HEAD)"
  72'
  73
  74test_expect_success "checkout with dirty tree without -m" '
  75
  76        fill 0 1 2 3 4 5 6 7 8 >one &&
  77        if git checkout side
  78        then
  79                echo Not happy
  80                false
  81        else
  82                echo "happy - failed correctly"
  83        fi
  84
  85'
  86
  87test_expect_success "checkout with unrelated dirty tree without -m" '
  88
  89        git checkout -f master &&
  90        fill 0 1 2 3 4 5 6 7 8 >same &&
  91        cp same kept &&
  92        git checkout side >messages &&
  93        test_cmp same kept &&
  94        printf "M\t%s\n" same >messages.expect &&
  95        test_cmp messages.expect messages
  96'
  97
  98test_expect_success "checkout -m with dirty tree" '
  99
 100        git checkout -f master &&
 101        git clean -f &&
 102
 103        fill 0 1 2 3 4 5 6 7 8 >one &&
 104        git checkout -m side > messages &&
 105
 106        test "$(git symbolic-ref HEAD)" = "refs/heads/side" &&
 107
 108        printf "M\t%s\n" one >expect.messages &&
 109        test_cmp expect.messages messages &&
 110
 111        fill "M one" "A three" "D       two" >expect.master &&
 112        git diff --name-status master >current.master &&
 113        test_cmp expect.master current.master &&
 114
 115        fill "M one" >expect.side &&
 116        git diff --name-status side >current.side &&
 117        test_cmp expect.side current.side &&
 118
 119        : >expect.index &&
 120        git diff --cached >current.index &&
 121        test_cmp expect.index current.index
 122'
 123
 124test_expect_success "checkout -m with dirty tree, renamed" '
 125
 126        git checkout -f master && git clean -f &&
 127
 128        fill 1 2 3 4 5 7 8 >one &&
 129        if git checkout renamer
 130        then
 131                echo Not happy
 132                false
 133        else
 134                echo "happy - failed correctly"
 135        fi &&
 136
 137        git checkout -m renamer &&
 138        fill 1 3 4 5 7 8 >expect &&
 139        test_cmp expect uno &&
 140        ! test -f one &&
 141        git diff --cached >current &&
 142        ! test -s current
 143
 144'
 145
 146test_expect_success 'checkout -m with merge conflict' '
 147
 148        git checkout -f master && git clean -f &&
 149
 150        fill 1 T 3 4 5 6 S 8 >one &&
 151        if git checkout renamer
 152        then
 153                echo Not happy
 154                false
 155        else
 156                echo "happy - failed correctly"
 157        fi &&
 158
 159        git checkout -m renamer &&
 160
 161        git diff master:one :3:uno |
 162        sed -e "1,/^@@/d" -e "/^ /d" -e "s/^-/d/" -e "s/^+/a/" >current &&
 163        fill d2 aT d7 aS >expect &&
 164        test_cmp current expect &&
 165        git diff --cached two >current &&
 166        ! test -s current
 167'
 168
 169test_expect_success 'format of merge conflict from checkout -m' '
 170
 171        git checkout -f master && git clean -f &&
 172
 173        fill b d > two &&
 174        git checkout -m simple &&
 175
 176        git ls-files >current &&
 177        fill same two two two >expect &&
 178        test_cmp current expect &&
 179
 180        cat <<-EOF >expect &&
 181        <<<<<<< simple
 182        a
 183        c
 184        e
 185        =======
 186        b
 187        d
 188        >>>>>>> local
 189        EOF
 190        test_cmp expect two
 191'
 192
 193test_expect_success 'checkout --merge --conflict=diff3 <branch>' '
 194
 195        git checkout -f master && git reset --hard && git clean -f &&
 196
 197        fill b d > two &&
 198        git checkout --merge --conflict=diff3 simple &&
 199
 200        cat <<-EOF >expect &&
 201        <<<<<<< simple
 202        a
 203        c
 204        e
 205        ||||||| master
 206        a
 207        b
 208        c
 209        d
 210        e
 211        =======
 212        b
 213        d
 214        >>>>>>> local
 215        EOF
 216        test_cmp expect two
 217'
 218
 219test_expect_success 'switch to another branch while carrying a deletion' '
 220
 221        git checkout -f master && git reset --hard && git clean -f &&
 222        git rm two &&
 223
 224        test_must_fail git checkout simple 2>errs &&
 225        test_i18ngrep overwritten errs &&
 226
 227        git checkout --merge simple 2>errs &&
 228        test_i18ngrep ! overwritten errs &&
 229        git ls-files -u &&
 230        test_must_fail git cat-file -t :0:two &&
 231        test "$(git cat-file -t :1:two)" = blob &&
 232        test "$(git cat-file -t :2:two)" = blob &&
 233        test_must_fail git cat-file -t :3:two
 234'
 235
 236test_expect_success 'checkout to detach HEAD (with advice declined)' '
 237
 238        git config advice.detachedHead false &&
 239        git checkout -f renamer && git clean -f &&
 240        git checkout renamer^ 2>messages &&
 241        test_i18ngrep "HEAD is now at 7329388" messages &&
 242        test_line_count = 1 messages &&
 243        H=$(git rev-parse --verify HEAD) &&
 244        M=$(git show-ref -s --verify refs/heads/master) &&
 245        test "z$H" = "z$M" &&
 246        if git symbolic-ref HEAD >/dev/null 2>&1
 247        then
 248                echo "OOPS, HEAD is still symbolic???"
 249                false
 250        else
 251                : happy
 252        fi
 253'
 254
 255test_expect_success 'checkout to detach HEAD' '
 256        git config advice.detachedHead true &&
 257        git checkout -f renamer && git clean -f &&
 258        git checkout renamer^ 2>messages &&
 259        test_i18ngrep "HEAD is now at 7329388" messages &&
 260        (test_line_count -gt 1 messages || test -n "$GETTEXT_POISON") &&
 261        H=$(git rev-parse --verify HEAD) &&
 262        M=$(git show-ref -s --verify refs/heads/master) &&
 263        test "z$H" = "z$M" &&
 264        if git symbolic-ref HEAD >/dev/null 2>&1
 265        then
 266                echo "OOPS, HEAD is still symbolic???"
 267                false
 268        else
 269                : happy
 270        fi
 271'
 272
 273test_expect_success 'checkout to detach HEAD with branchname^' '
 274
 275        git checkout -f master && git clean -f &&
 276        git checkout renamer^ &&
 277        H=$(git rev-parse --verify HEAD) &&
 278        M=$(git show-ref -s --verify refs/heads/master) &&
 279        test "z$H" = "z$M" &&
 280        if git symbolic-ref HEAD >/dev/null 2>&1
 281        then
 282                echo "OOPS, HEAD is still symbolic???"
 283                false
 284        else
 285                : happy
 286        fi
 287'
 288
 289test_expect_success 'checkout to detach HEAD with :/message' '
 290
 291        git checkout -f master && git clean -f &&
 292        git checkout ":/Initial" &&
 293        H=$(git rev-parse --verify HEAD) &&
 294        M=$(git show-ref -s --verify refs/heads/master) &&
 295        test "z$H" = "z$M" &&
 296        if git symbolic-ref HEAD >/dev/null 2>&1
 297        then
 298                echo "OOPS, HEAD is still symbolic???"
 299                false
 300        else
 301                : happy
 302        fi
 303'
 304
 305test_expect_success 'checkout to detach HEAD with HEAD^0' '
 306
 307        git checkout -f master && git clean -f &&
 308        git checkout HEAD^0 &&
 309        H=$(git rev-parse --verify HEAD) &&
 310        M=$(git show-ref -s --verify refs/heads/master) &&
 311        test "z$H" = "z$M" &&
 312        if git symbolic-ref HEAD >/dev/null 2>&1
 313        then
 314                echo "OOPS, HEAD is still symbolic???"
 315                false
 316        else
 317                : happy
 318        fi
 319'
 320
 321test_expect_success 'checkout with ambiguous tag/branch names' '
 322
 323        git tag both side &&
 324        git branch both master &&
 325        git reset --hard &&
 326        git checkout master &&
 327
 328        git checkout both &&
 329        H=$(git rev-parse --verify HEAD) &&
 330        M=$(git show-ref -s --verify refs/heads/master) &&
 331        test "z$H" = "z$M" &&
 332        name=$(git symbolic-ref HEAD 2>/dev/null) &&
 333        test "z$name" = zrefs/heads/both
 334
 335'
 336
 337test_expect_success 'checkout with ambiguous tag/branch names' '
 338
 339        git reset --hard &&
 340        git checkout master &&
 341
 342        git tag frotz side &&
 343        git branch frotz master &&
 344        git reset --hard &&
 345        git checkout master &&
 346
 347        git checkout tags/frotz &&
 348        H=$(git rev-parse --verify HEAD) &&
 349        S=$(git show-ref -s --verify refs/heads/side) &&
 350        test "z$H" = "z$S" &&
 351        if name=$(git symbolic-ref HEAD 2>/dev/null)
 352        then
 353                echo "Bad -- should have detached"
 354                false
 355        else
 356                : happy
 357        fi
 358
 359'
 360
 361test_expect_success 'switch branches while in subdirectory' '
 362
 363        git reset --hard &&
 364        git checkout master &&
 365
 366        mkdir subs &&
 367        (
 368                cd subs &&
 369                git checkout side
 370        ) &&
 371        ! test -f subs/one &&
 372        rm -fr subs
 373
 374'
 375
 376test_expect_success 'checkout specific path while in subdirectory' '
 377
 378        git reset --hard &&
 379        git checkout side &&
 380        mkdir subs &&
 381        >subs/bero &&
 382        git add subs/bero &&
 383        git commit -m "add subs/bero" &&
 384
 385        git checkout master &&
 386        mkdir -p subs &&
 387        (
 388                cd subs &&
 389                git checkout side -- bero
 390        ) &&
 391        test -f subs/bero
 392
 393'
 394
 395test_expect_success \
 396    'checkout w/--track sets up tracking' '
 397    git config branch.autosetupmerge false &&
 398    git checkout master &&
 399    git checkout --track -b track1 &&
 400    test "$(git config branch.track1.remote)" &&
 401    test "$(git config branch.track1.merge)"'
 402
 403test_expect_success \
 404    'checkout w/autosetupmerge=always sets up tracking' '
 405    test_when_finished git config branch.autosetupmerge false &&
 406    git config branch.autosetupmerge always &&
 407    git checkout master &&
 408    git checkout -b track2 &&
 409    test "$(git config branch.track2.remote)" &&
 410    test "$(git config branch.track2.merge)"'
 411
 412test_expect_success 'checkout w/--track from non-branch HEAD fails' '
 413    git checkout master^0 &&
 414    test_must_fail git symbolic-ref HEAD &&
 415    test_must_fail git checkout --track -b track &&
 416    test_must_fail git rev-parse --verify track &&
 417    test_must_fail git symbolic-ref HEAD &&
 418    test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
 419'
 420
 421test_expect_success 'checkout w/--track from tag fails' '
 422    git checkout master^0 &&
 423    test_must_fail git symbolic-ref HEAD &&
 424    test_must_fail git checkout --track -b track frotz &&
 425    test_must_fail git rev-parse --verify track &&
 426    test_must_fail git symbolic-ref HEAD &&
 427    test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
 428'
 429
 430test_expect_success 'detach a symbolic link HEAD' '
 431    git checkout master &&
 432    git config --bool core.prefersymlinkrefs yes &&
 433    git checkout side &&
 434    git checkout master &&
 435    it=$(git symbolic-ref HEAD) &&
 436    test "z$it" = zrefs/heads/master &&
 437    here=$(git rev-parse --verify refs/heads/master) &&
 438    git checkout side^ &&
 439    test "z$(git rev-parse --verify refs/heads/master)" = "z$here"
 440'
 441
 442test_expect_success \
 443    'checkout with --track fakes a sensible -b <name>' '
 444    git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*" &&
 445    git update-ref refs/remotes/origin/koala/bear renamer &&
 446
 447    git checkout --track origin/koala/bear &&
 448    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
 449    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
 450
 451    git checkout master && git branch -D koala/bear &&
 452
 453    git checkout --track refs/remotes/origin/koala/bear &&
 454    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
 455    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
 456
 457    git checkout master && git branch -D koala/bear &&
 458
 459    git checkout --track remotes/origin/koala/bear &&
 460    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
 461    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)"
 462'
 463
 464test_expect_success \
 465    'checkout with --track, but without -b, fails with too short tracked name' '
 466    test_must_fail git checkout --track renamer'
 467
 468setup_conflicting_index () {
 469        rm -f .git/index &&
 470        O=$(echo original | git hash-object -w --stdin) &&
 471        A=$(echo ourside | git hash-object -w --stdin) &&
 472        B=$(echo theirside | git hash-object -w --stdin) &&
 473        (
 474                echo "100644 $A 0       fild" &&
 475                echo "100644 $O 1       file" &&
 476                echo "100644 $A 2       file" &&
 477                echo "100644 $B 3       file" &&
 478                echo "100644 $A 0       filf"
 479        ) | git update-index --index-info
 480}
 481
 482test_expect_success 'checkout an unmerged path should fail' '
 483        setup_conflicting_index &&
 484        echo "none of the above" >sample &&
 485        cat sample >fild &&
 486        cat sample >file &&
 487        cat sample >filf &&
 488        test_must_fail git checkout fild file filf &&
 489        test_cmp sample fild &&
 490        test_cmp sample filf &&
 491        test_cmp sample file
 492'
 493
 494test_expect_success 'checkout with an unmerged path can be ignored' '
 495        setup_conflicting_index &&
 496        echo "none of the above" >sample &&
 497        echo ourside >expect &&
 498        cat sample >fild &&
 499        cat sample >file &&
 500        cat sample >filf &&
 501        git checkout -f fild file filf &&
 502        test_cmp expect fild &&
 503        test_cmp expect filf &&
 504        test_cmp sample file
 505'
 506
 507test_expect_success 'checkout unmerged stage' '
 508        setup_conflicting_index &&
 509        echo "none of the above" >sample &&
 510        echo ourside >expect &&
 511        cat sample >fild &&
 512        cat sample >file &&
 513        cat sample >filf &&
 514        git checkout --ours . &&
 515        test_cmp expect fild &&
 516        test_cmp expect filf &&
 517        test_cmp expect file &&
 518        git checkout --theirs file &&
 519        test ztheirside = "z$(cat file)"
 520'
 521
 522test_expect_success 'checkout with --merge' '
 523        setup_conflicting_index &&
 524        echo "none of the above" >sample &&
 525        echo ourside >expect &&
 526        cat sample >fild &&
 527        cat sample >file &&
 528        cat sample >filf &&
 529        git checkout -m -- fild file filf &&
 530        (
 531                echo "<<<<<<< ours"
 532                echo ourside
 533                echo "======="
 534                echo theirside
 535                echo ">>>>>>> theirs"
 536        ) >merged &&
 537        test_cmp expect fild &&
 538        test_cmp expect filf &&
 539        test_cmp merged file
 540'
 541
 542test_expect_success 'checkout with --merge, in diff3 -m style' '
 543        git config merge.conflictstyle diff3 &&
 544        setup_conflicting_index &&
 545        echo "none of the above" >sample &&
 546        echo ourside >expect &&
 547        cat sample >fild &&
 548        cat sample >file &&
 549        cat sample >filf &&
 550        git checkout -m -- fild file filf &&
 551        (
 552                echo "<<<<<<< ours"
 553                echo ourside
 554                echo "||||||| base"
 555                echo original
 556                echo "======="
 557                echo theirside
 558                echo ">>>>>>> theirs"
 559        ) >merged &&
 560        test_cmp expect fild &&
 561        test_cmp expect filf &&
 562        test_cmp merged file
 563'
 564
 565test_expect_success 'checkout --conflict=merge, overriding config' '
 566        git config merge.conflictstyle diff3 &&
 567        setup_conflicting_index &&
 568        echo "none of the above" >sample &&
 569        echo ourside >expect &&
 570        cat sample >fild &&
 571        cat sample >file &&
 572        cat sample >filf &&
 573        git checkout --conflict=merge -- fild file filf &&
 574        (
 575                echo "<<<<<<< ours"
 576                echo ourside
 577                echo "======="
 578                echo theirside
 579                echo ">>>>>>> theirs"
 580        ) >merged &&
 581        test_cmp expect fild &&
 582        test_cmp expect filf &&
 583        test_cmp merged file
 584'
 585
 586test_expect_success 'checkout --conflict=diff3' '
 587        test_unconfig merge.conflictstyle &&
 588        setup_conflicting_index &&
 589        echo "none of the above" >sample &&
 590        echo ourside >expect &&
 591        cat sample >fild &&
 592        cat sample >file &&
 593        cat sample >filf &&
 594        git checkout --conflict=diff3 -- fild file filf &&
 595        (
 596                echo "<<<<<<< ours"
 597                echo ourside
 598                echo "||||||| base"
 599                echo original
 600                echo "======="
 601                echo theirside
 602                echo ">>>>>>> theirs"
 603        ) >merged &&
 604        test_cmp expect fild &&
 605        test_cmp expect filf &&
 606        test_cmp merged file
 607'
 608
 609test_expect_success 'failing checkout -b should not break working tree' '
 610        git reset --hard master &&
 611        git symbolic-ref HEAD refs/heads/master &&
 612        test_must_fail git checkout -b renamer side^ &&
 613        test $(git symbolic-ref HEAD) = refs/heads/master &&
 614        git diff --exit-code &&
 615        git diff --cached --exit-code
 616
 617'
 618
 619test_expect_success 'switch out of non-branch' '
 620        git reset --hard master &&
 621        git checkout master^0 &&
 622        echo modified >one &&
 623        test_must_fail git checkout renamer 2>error.log &&
 624        ! grep "^Previous HEAD" error.log
 625'
 626
 627(
 628 echo "#!$SHELL_PATH"
 629 cat <<\EOF
 630O=$1 A=$2 B=$3
 631cat "$A" >.tmp
 632exec >"$A"
 633echo '<<<<<<< filfre-theirs'
 634cat "$B"
 635echo '||||||| filfre-common'
 636cat "$O"
 637echo '======='
 638cat ".tmp"
 639echo '>>>>>>> filfre-ours'
 640rm -f .tmp
 641exit 1
 642EOF
 643) >filfre.sh
 644chmod +x filfre.sh
 645
 646test_expect_success 'custom merge driver with checkout -m' '
 647        git reset --hard &&
 648
 649        git config merge.filfre.driver "./filfre.sh %O %A %B" &&
 650        git config merge.filfre.name "Feel-free merge driver" &&
 651        git config merge.filfre.recursive binary &&
 652        echo "arm merge=filfre" >.gitattributes &&
 653
 654        git checkout -b left &&
 655        echo neutral >arm &&
 656        git add arm .gitattributes &&
 657        test_tick &&
 658        git commit -m neutral &&
 659        git branch right &&
 660
 661        echo left >arm &&
 662        test_tick &&
 663        git commit -a -m left &&
 664        git checkout right &&
 665
 666        echo right >arm &&
 667        test_tick &&
 668        git commit -a -m right &&
 669
 670        test_must_fail git merge left &&
 671        (
 672                for t in filfre-common left right
 673                do
 674                        grep $t arm || exit 1
 675                done
 676                exit 0
 677        ) &&
 678
 679        mv arm expect &&
 680        git checkout -m arm &&
 681        test_cmp expect arm
 682'
 683
 684test_done