t/t7201-co.sh

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