Andrew's git / gitweb.git / t/t7201-co.sh
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t / t7201-co.shon commit Merge branch 'maint' (ca5812d)
   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  ---
  15    + [side] Side M one, D two, A three
  16   *  [renamer] Renamer R one->uno, M two
  17  +*+ [master] Initial A one, A two
  18
  19'
  20
  21. ./test-lib.sh
  22
  23test_tick
  24
  25fill () {
  26        for i
  27        do
  28                echo "$i"
  29        done
  30}
  31
  32
  33test_expect_success setup '
  34
  35        fill x y z > same &&
  36        fill 1 2 3 4 5 6 7 8 >one &&
  37        fill a b c d e >two &&
  38        git add same one two &&
  39        git commit -m "Initial A one, A two" &&
  40
  41        git checkout -b renamer &&
  42        rm -f one &&
  43        fill 1 3 4 5 6 7 8 >uno &&
  44        git add uno &&
  45        fill a b c d e f >two &&
  46        git commit -a -m "Renamer R one->uno, M two" &&
  47
  48        git checkout -b side master &&
  49        fill 1 2 3 4 5 6 7 >one &&
  50        fill A B C D E >three &&
  51        rm -f two &&
  52        git update-index --add --remove one two three &&
  53        git commit -m "Side M one, D two, A three" &&
  54
  55        git checkout master
  56'
  57
  58test_expect_success "checkout from non-existing branch" '
  59
  60        git checkout -b delete-me master &&
  61        rm .git/refs/heads/delete-me &&
  62        test refs/heads/delete-me = "$(git symbolic-ref HEAD)" &&
  63        git checkout master &&
  64        test refs/heads/master = "$(git symbolic-ref HEAD)"
  65'
  66
  67test_expect_success "checkout with dirty tree without -m" '
  68
  69        fill 0 1 2 3 4 5 6 7 8 >one &&
  70        if git checkout side
  71        then
  72                echo Not happy
  73                false
  74        else
  75                echo "happy - failed correctly"
  76        fi
  77
  78'
  79
  80test_expect_success "checkout with unrelated dirty tree without -m" '
  81
  82        git checkout -f master &&
  83        fill 0 1 2 3 4 5 6 7 8 >same &&
  84        cp same kept
  85        git checkout side >messages &&
  86        test_cmp same kept
  87        (cat > messages.expect <<EOF
  88M       same
  89EOF
  90) &&
  91        touch messages.expect &&
  92        test_cmp messages.expect messages
  93'
  94
  95test_expect_success "checkout -m with dirty tree" '
  96
  97        git checkout -f master &&
  98        git clean -f &&
  99
 100        fill 0 1 2 3 4 5 6 7 8 >one &&
 101        git checkout -m side > messages &&
 102
 103        test "$(git symbolic-ref HEAD)" = "refs/heads/side" &&
 104
 105        (cat >expect.messages <<EOF
 106M       one
 107EOF
 108) &&
 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 'checkout to detach HEAD' '
 170
 171        git checkout -f renamer && git clean -f &&
 172        git checkout renamer^ 2>messages &&
 173        (cat >messages.expect <<EOF
 174Note: moving to '\''renamer^'\'' which isn'\''t a local branch
 175If you want to create a new branch from this checkout, you may do so
 176(now or later) by using -b with the checkout command again. Example:
 177  git checkout -b <new_branch_name>
 178HEAD is now at 7329388... Initial A one, A two
 179EOF
 180) &&
 181        test_cmp messages.expect messages &&
 182        H=$(git rev-parse --verify HEAD) &&
 183        M=$(git show-ref -s --verify refs/heads/master) &&
 184        test "z$H" = "z$M" &&
 185        if git symbolic-ref HEAD >/dev/null 2>&1
 186        then
 187                echo "OOPS, HEAD is still symbolic???"
 188                false
 189        else
 190                : happy
 191        fi
 192'
 193
 194test_expect_success 'checkout to detach HEAD with branchname^' '
 195
 196        git checkout -f master && git clean -f &&
 197        git checkout renamer^ &&
 198        H=$(git rev-parse --verify HEAD) &&
 199        M=$(git show-ref -s --verify refs/heads/master) &&
 200        test "z$H" = "z$M" &&
 201        if git symbolic-ref HEAD >/dev/null 2>&1
 202        then
 203                echo "OOPS, HEAD is still symbolic???"
 204                false
 205        else
 206                : happy
 207        fi
 208'
 209
 210test_expect_success 'checkout to detach HEAD with :/message' '
 211
 212        git checkout -f master && git clean -f &&
 213        git checkout ":/Initial" &&
 214        H=$(git rev-parse --verify HEAD) &&
 215        M=$(git show-ref -s --verify refs/heads/master) &&
 216        test "z$H" = "z$M" &&
 217        if git symbolic-ref HEAD >/dev/null 2>&1
 218        then
 219                echo "OOPS, HEAD is still symbolic???"
 220                false
 221        else
 222                : happy
 223        fi
 224'
 225
 226test_expect_success 'checkout to detach HEAD with HEAD^0' '
 227
 228        git checkout -f master && git clean -f &&
 229        git checkout HEAD^0 &&
 230        H=$(git rev-parse --verify HEAD) &&
 231        M=$(git show-ref -s --verify refs/heads/master) &&
 232        test "z$H" = "z$M" &&
 233        if git symbolic-ref HEAD >/dev/null 2>&1
 234        then
 235                echo "OOPS, HEAD is still symbolic???"
 236                false
 237        else
 238                : happy
 239        fi
 240'
 241
 242test_expect_success 'checkout with ambiguous tag/branch names' '
 243
 244        git tag both side &&
 245        git branch both master &&
 246        git reset --hard &&
 247        git checkout master &&
 248
 249        git checkout both &&
 250        H=$(git rev-parse --verify HEAD) &&
 251        M=$(git show-ref -s --verify refs/heads/master) &&
 252        test "z$H" = "z$M" &&
 253        name=$(git symbolic-ref HEAD 2>/dev/null) &&
 254        test "z$name" = zrefs/heads/both
 255
 256'
 257
 258test_expect_success 'checkout with ambiguous tag/branch names' '
 259
 260        git reset --hard &&
 261        git checkout master &&
 262
 263        git tag frotz side &&
 264        git branch frotz master &&
 265        git reset --hard &&
 266        git checkout master &&
 267
 268        git checkout tags/frotz &&
 269        H=$(git rev-parse --verify HEAD) &&
 270        S=$(git show-ref -s --verify refs/heads/side) &&
 271        test "z$H" = "z$S" &&
 272        if name=$(git symbolic-ref HEAD 2>/dev/null)
 273        then
 274                echo "Bad -- should have detached"
 275                false
 276        else
 277                : happy
 278        fi
 279
 280'
 281
 282test_expect_success 'switch branches while in subdirectory' '
 283
 284        git reset --hard &&
 285        git checkout master &&
 286
 287        mkdir subs &&
 288        (
 289                cd subs &&
 290                git checkout side
 291        ) &&
 292        ! test -f subs/one &&
 293        rm -fr subs
 294
 295'
 296
 297test_expect_success 'checkout specific path while in subdirectory' '
 298
 299        git reset --hard &&
 300        git checkout side &&
 301        mkdir subs &&
 302        >subs/bero &&
 303        git add subs/bero &&
 304        git commit -m "add subs/bero" &&
 305
 306        git checkout master &&
 307        mkdir -p subs &&
 308        (
 309                cd subs &&
 310                git checkout side -- bero
 311        ) &&
 312        test -f subs/bero
 313
 314'
 315
 316test_expect_success \
 317    'checkout w/--track sets up tracking' '
 318    git config branch.autosetupmerge false &&
 319    git checkout master &&
 320    git checkout --track -b track1 &&
 321    test "$(git config branch.track1.remote)" &&
 322    test "$(git config branch.track1.merge)"'
 323
 324test_expect_success \
 325    'checkout w/autosetupmerge=always sets up tracking' '
 326    git config branch.autosetupmerge always &&
 327    git checkout master &&
 328    git checkout -b track2 &&
 329    test "$(git config branch.track2.remote)" &&
 330    test "$(git config branch.track2.merge)"
 331    git config branch.autosetupmerge false'
 332
 333test_expect_success 'checkout w/--track from non-branch HEAD fails' '
 334    git checkout master^0 &&
 335    test_must_fail git symbolic-ref HEAD &&
 336    test_must_fail git checkout --track -b track &&
 337    test_must_fail git rev-parse --verify track &&
 338    test_must_fail git symbolic-ref HEAD &&
 339    test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
 340'
 341
 342test_expect_success 'detach a symbolic link HEAD' '
 343    git checkout master &&
 344    git config --bool core.prefersymlinkrefs yes &&
 345    git checkout side &&
 346    git checkout master &&
 347    it=$(git symbolic-ref HEAD) &&
 348    test "z$it" = zrefs/heads/master &&
 349    here=$(git rev-parse --verify refs/heads/master) &&
 350    git checkout side^ &&
 351    test "z$(git rev-parse --verify refs/heads/master)" = "z$here"
 352'
 353
 354test_expect_success \
 355    'checkout with --track fakes a sensible -b <name>' '
 356    git update-ref refs/remotes/origin/koala/bear renamer &&
 357    git update-ref refs/new/koala/bear renamer &&
 358
 359    git checkout --track origin/koala/bear &&
 360    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
 361    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
 362
 363    git checkout master && git branch -D koala/bear &&
 364
 365    git checkout --track refs/remotes/origin/koala/bear &&
 366    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
 367    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
 368
 369    git checkout master && git branch -D koala/bear &&
 370
 371    git checkout --track remotes/origin/koala/bear &&
 372    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
 373    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
 374
 375    git checkout master && git branch -D koala/bear &&
 376
 377    git checkout --track refs/new/koala/bear &&
 378    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
 379    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)"
 380'
 381
 382test_expect_success \
 383    'checkout with --track, but without -b, fails with too short tracked name' '
 384    test_must_fail git checkout --track renamer'
 385
 386setup_conflicting_index () {
 387        rm -f .git/index &&
 388        O=$(echo original | git hash-object -w --stdin) &&
 389        A=$(echo ourside | git hash-object -w --stdin) &&
 390        B=$(echo theirside | git hash-object -w --stdin) &&
 391        (
 392                echo "100644 $A 0       fild" &&
 393                echo "100644 $O 1       file" &&
 394                echo "100644 $A 2       file" &&
 395                echo "100644 $B 3       file" &&
 396                echo "100644 $A 0       filf"
 397        ) | git update-index --index-info
 398}
 399
 400test_expect_success 'checkout an unmerged path should fail' '
 401        setup_conflicting_index &&
 402        echo "none of the above" >sample &&
 403        cat sample >fild &&
 404        cat sample >file &&
 405        cat sample >filf &&
 406        test_must_fail git checkout fild file filf &&
 407        test_cmp sample fild &&
 408        test_cmp sample filf &&
 409        test_cmp sample file
 410'
 411
 412test_expect_success 'checkout with an unmerged path can be ignored' '
 413        setup_conflicting_index &&
 414        echo "none of the above" >sample &&
 415        echo ourside >expect &&
 416        cat sample >fild &&
 417        cat sample >file &&
 418        cat sample >filf &&
 419        git checkout -f fild file filf &&
 420        test_cmp expect fild &&
 421        test_cmp expect filf &&
 422        test_cmp sample file
 423'
 424
 425test_expect_success 'checkout unmerged stage' '
 426        setup_conflicting_index &&
 427        echo "none of the above" >sample &&
 428        echo ourside >expect &&
 429        cat sample >fild &&
 430        cat sample >file &&
 431        cat sample >filf &&
 432        git checkout --ours . &&
 433        test_cmp expect fild &&
 434        test_cmp expect filf &&
 435        test_cmp expect file &&
 436        git checkout --theirs file &&
 437        test ztheirside = "z$(cat file)"
 438'
 439
 440test_expect_success 'checkout with --merge' '
 441        setup_conflicting_index &&
 442        echo "none of the above" >sample &&
 443        echo ourside >expect &&
 444        cat sample >fild &&
 445        cat sample >file &&
 446        cat sample >filf &&
 447        git checkout -m -- fild file filf &&
 448        (
 449                echo "<<<<<<< ours"
 450                echo ourside
 451                echo "======="
 452                echo theirside
 453                echo ">>>>>>> theirs"
 454        ) >merged &&
 455        test_cmp expect fild &&
 456        test_cmp expect filf &&
 457        test_cmp merged file
 458'
 459
 460test_expect_success 'checkout with --merge, in diff3 -m style' '
 461        git config merge.conflictstyle diff3 &&
 462        setup_conflicting_index &&
 463        echo "none of the above" >sample &&
 464        echo ourside >expect &&
 465        cat sample >fild &&
 466        cat sample >file &&
 467        cat sample >filf &&
 468        git checkout -m -- fild file filf &&
 469        (
 470                echo "<<<<<<< ours"
 471                echo ourside
 472                echo "|||||||"
 473                echo original
 474                echo "======="
 475                echo theirside
 476                echo ">>>>>>> theirs"
 477        ) >merged &&
 478        test_cmp expect fild &&
 479        test_cmp expect filf &&
 480        test_cmp merged file
 481'
 482
 483test_expect_success 'checkout --conflict=merge, overriding config' '
 484        git config merge.conflictstyle diff3 &&
 485        setup_conflicting_index &&
 486        echo "none of the above" >sample &&
 487        echo ourside >expect &&
 488        cat sample >fild &&
 489        cat sample >file &&
 490        cat sample >filf &&
 491        git checkout --conflict=merge -- fild file filf &&
 492        (
 493                echo "<<<<<<< ours"
 494                echo ourside
 495                echo "======="
 496                echo theirside
 497                echo ">>>>>>> theirs"
 498        ) >merged &&
 499        test_cmp expect fild &&
 500        test_cmp expect filf &&
 501        test_cmp merged file
 502'
 503
 504test_expect_success 'checkout --conflict=diff3' '
 505        git config --unset merge.conflictstyle
 506        setup_conflicting_index &&
 507        echo "none of the above" >sample &&
 508        echo ourside >expect &&
 509        cat sample >fild &&
 510        cat sample >file &&
 511        cat sample >filf &&
 512        git checkout --conflict=diff3 -- fild file filf &&
 513        (
 514                echo "<<<<<<< ours"
 515                echo ourside
 516                echo "|||||||"
 517                echo original
 518                echo "======="
 519                echo theirside
 520                echo ">>>>>>> theirs"
 521        ) >merged &&
 522        test_cmp expect fild &&
 523        test_cmp expect filf &&
 524        test_cmp merged file
 525'
 526
 527test_expect_success 'failing checkout -b should not break working tree' '
 528        git reset --hard master &&
 529        git symbolic-ref HEAD refs/heads/master &&
 530        test_must_fail git checkout -b renamer side^ &&
 531        test $(git symbolic-ref HEAD) = refs/heads/master &&
 532        git diff --exit-code &&
 533        git diff --cached --exit-code
 534
 535'
 536
 537test_expect_success 'switch out of non-branch' '
 538        git reset --hard master &&
 539        git checkout master^0 &&
 540        echo modified >one &&
 541        test_must_fail git checkout renamer 2>error.log &&
 542        ! grep "^Previous HEAD" error.log
 543'
 544
 545(
 546 echo "#!$SHELL_PATH"
 547 cat <<\EOF
 548O=$1 A=$2 B=$3
 549cat "$A" >.tmp
 550exec >"$A"
 551echo '<<<<<<< filfre-theirs'
 552cat "$B"
 553echo '||||||| filfre-common'
 554cat "$O"
 555echo '======='
 556cat ".tmp"
 557echo '>>>>>>> filfre-ours'
 558rm -f .tmp
 559exit 1
 560EOF
 561) >filfre.sh
 562chmod +x filfre.sh
 563
 564test_expect_success 'custom merge driver with checkout -m' '
 565        git reset --hard &&
 566
 567        git config merge.filfre.driver "./filfre.sh %O %A %B" &&
 568        git config merge.filfre.name "Feel-free merge driver" &&
 569        git config merge.filfre.recursive binary &&
 570        echo "arm merge=filfre" >.gitattributes &&
 571
 572        git checkout -b left &&
 573        echo neutral >arm &&
 574        git add arm .gitattributes &&
 575        test_tick &&
 576        git commit -m neutral &&
 577        git branch right &&
 578
 579        echo left >arm &&
 580        test_tick &&
 581        git commit -a -m left &&
 582        git checkout right &&
 583
 584        echo right >arm &&
 585        test_tick &&
 586        git commit -a -m right &&
 587
 588        test_must_fail git merge left &&
 589        (
 590                for t in filfre-common left right
 591                do
 592                        grep $t arm || exit 1
 593                done
 594                exit 0
 595        ) &&
 596
 597        mv arm expect &&
 598        git checkout -m arm &&
 599        test_cmp expect arm
 600'
 601
 602test_done