Andrew's git / gitweb.git / t/t7600-merge.sh
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t / t7600-merge.shon commit add tests for indexing packs with delta cycles (3b910d0)
   1#!/bin/sh
   2#
   3# Copyright (c) 2007 Lars Hjemli
   4#
   5
   6test_description='git merge
   7
   8Testing basic merge operations/option parsing.
   9
  10! [c0] commit 0
  11 ! [c1] commit 1
  12  ! [c2] commit 2
  13   ! [c3] commit 3
  14    ! [c4] c4
  15     ! [c5] c5
  16      ! [c6] c6
  17       * [master] Merge commit 'c1'
  18--------
  19       - [master] Merge commit 'c1'
  20 +     * [c1] commit 1
  21      +  [c6] c6
  22     +   [c5] c5
  23    ++   [c4] c4
  24   ++++  [c3] commit 3
  25  +      [c2] commit 2
  26+++++++* [c0] commit 0
  27'
  28
  29. ./test-lib.sh
  30. "$TEST_DIRECTORY"/lib-gpg.sh
  31
  32printf '%s\n' 1 2 3 4 5 6 7 8 9 >file
  33printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >file.1
  34printf '%s\n' 1 2 3 4 '5 X' 6 7 8 9 >file.5
  35printf '%s\n' 1 2 3 4 5 6 7 8 '9 X' >file.9
  36printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >result.1
  37printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 9 >result.1-5
  38printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 '9 X' >result.1-5-9
  39>empty
  40
  41create_merge_msgs () {
  42        echo "Merge tag 'c2'" >msg.1-5 &&
  43        echo "Merge tags 'c2' and 'c3'" >msg.1-5-9 &&
  44        {
  45                echo "Squashed commit of the following:" &&
  46                echo &&
  47                git log --no-merges ^HEAD c1
  48        } >squash.1 &&
  49        {
  50                echo "Squashed commit of the following:" &&
  51                echo &&
  52                git log --no-merges ^HEAD c2
  53        } >squash.1-5 &&
  54        {
  55                echo "Squashed commit of the following:" &&
  56                echo &&
  57                git log --no-merges ^HEAD c2 c3
  58        } >squash.1-5-9 &&
  59        : >msg.nologff &&
  60        echo >msg.nolognoff &&
  61        {
  62                echo "* tag 'c3':" &&
  63                echo "  commit 3" &&
  64                echo
  65        } >msg.log
  66}
  67
  68verify_merge () {
  69        test_cmp "$2" "$1" &&
  70        git update-index --refresh &&
  71        git diff --exit-code &&
  72        if test -n "$3"
  73        then
  74                git show -s --pretty=format:%s HEAD >msg.act &&
  75                test_cmp "$3" msg.act
  76        fi
  77}
  78
  79verify_head () {
  80        echo "$1" >head.expected &&
  81        git rev-parse HEAD >head.actual &&
  82        test_cmp head.expected head.actual
  83}
  84
  85verify_parents () {
  86        printf '%s\n' "$@" >parents.expected &&
  87        >parents.actual &&
  88        i=1 &&
  89        while test $i -le $#
  90        do
  91                git rev-parse HEAD^$i >>parents.actual &&
  92                i=$(expr $i + 1) ||
  93                return 1
  94        done &&
  95        test_must_fail git rev-parse --verify "HEAD^$i" &&
  96        test_cmp parents.expected parents.actual
  97}
  98
  99verify_mergeheads () {
 100        printf '%s\n' "$@" >mergehead.expected &&
 101        while read sha1 rest
 102        do
 103                git rev-parse $sha1
 104        done <.git/MERGE_HEAD >mergehead.actual &&
 105        test_cmp mergehead.expected mergehead.actual
 106}
 107
 108verify_no_mergehead () {
 109        ! test -e .git/MERGE_HEAD
 110}
 111
 112test_expect_success 'setup' '
 113        git add file &&
 114        test_tick &&
 115        git commit -m "commit 0" &&
 116        git tag c0 &&
 117        c0=$(git rev-parse HEAD) &&
 118        cp file.1 file &&
 119        git add file &&
 120        test_tick &&
 121        git commit -m "commit 1" &&
 122        git tag c1 &&
 123        c1=$(git rev-parse HEAD) &&
 124        git reset --hard "$c0" &&
 125        cp file.5 file &&
 126        git add file &&
 127        test_tick &&
 128        git commit -m "commit 2" &&
 129        git tag c2 &&
 130        c2=$(git rev-parse HEAD) &&
 131        git reset --hard "$c0" &&
 132        cp file.9 file &&
 133        git add file &&
 134        test_tick &&
 135        git commit -m "commit 3" &&
 136        git tag c3 &&
 137        c3=$(git rev-parse HEAD)
 138        git reset --hard "$c0" &&
 139        create_merge_msgs
 140'
 141
 142test_debug 'git log --graph --decorate --oneline --all'
 143
 144test_expect_success 'test option parsing' '
 145        test_must_fail git merge -$ c1 &&
 146        test_must_fail git merge --no-such c1 &&
 147        test_must_fail git merge -s foobar c1 &&
 148        test_must_fail git merge -s=foobar c1 &&
 149        test_must_fail git merge -m &&
 150        test_must_fail git merge
 151'
 152
 153test_expect_success 'merge -h with invalid index' '
 154        mkdir broken &&
 155        (
 156                cd broken &&
 157                git init &&
 158                >.git/index &&
 159                test_expect_code 129 git merge -h 2>usage
 160        ) &&
 161        test_i18ngrep "[Uu]sage: git merge" broken/usage
 162'
 163
 164test_expect_success 'reject non-strategy with a git-merge-foo name' '
 165        test_must_fail git merge -s index c1
 166'
 167
 168test_expect_success 'merge c0 with c1' '
 169        echo "OBJID HEAD@{0}: merge c1: Fast-forward" >reflog.expected &&
 170
 171        git reset --hard c0 &&
 172        git merge c1 &&
 173        verify_merge file result.1 &&
 174        verify_head "$c1" &&
 175
 176        git reflog -1 >reflog.actual &&
 177        sed "s/$_x05[0-9a-f]*/OBJID/g" reflog.actual >reflog.fuzzy &&
 178        test_cmp reflog.expected reflog.fuzzy
 179'
 180
 181test_debug 'git log --graph --decorate --oneline --all'
 182
 183test_expect_success 'merge c0 with c1 with --ff-only' '
 184        git reset --hard c0 &&
 185        git merge --ff-only c1 &&
 186        git merge --ff-only HEAD c0 c1 &&
 187        verify_merge file result.1 &&
 188        verify_head "$c1"
 189'
 190
 191test_debug 'git log --graph --decorate --oneline --all'
 192
 193test_expect_success 'merge from unborn branch' '
 194        git checkout -f master &&
 195        test_might_fail git branch -D kid &&
 196
 197        echo "OBJID HEAD@{0}: initial pull" >reflog.expected &&
 198
 199        git checkout --orphan kid &&
 200        test_when_finished "git checkout -f master" &&
 201        git rm -fr . &&
 202        test_tick &&
 203        git merge --ff-only c1 &&
 204        verify_merge file result.1 &&
 205        verify_head "$c1" &&
 206
 207        git reflog -1 >reflog.actual &&
 208        sed "s/$_x05[0-9a-f][0-9a-f]/OBJID/g" reflog.actual >reflog.fuzzy &&
 209        test_cmp reflog.expected reflog.fuzzy
 210'
 211
 212test_debug 'git log --graph --decorate --oneline --all'
 213
 214test_expect_success 'merge c1 with c2' '
 215        git reset --hard c1 &&
 216        test_tick &&
 217        git merge c2 &&
 218        verify_merge file result.1-5 msg.1-5 &&
 219        verify_parents $c1 $c2
 220'
 221
 222test_debug 'git log --graph --decorate --oneline --all'
 223
 224test_expect_success 'merge c1 with c2 and c3' '
 225        git reset --hard c1 &&
 226        test_tick &&
 227        git merge c2 c3 &&
 228        verify_merge file result.1-5-9 msg.1-5-9 &&
 229        verify_parents $c1 $c2 $c3
 230'
 231
 232test_debug 'git log --graph --decorate --oneline --all'
 233
 234test_expect_success 'merges with --ff-only' '
 235        git reset --hard c1 &&
 236        test_tick &&
 237        test_must_fail git merge --ff-only c2 &&
 238        test_must_fail git merge --ff-only c3 &&
 239        test_must_fail git merge --ff-only c2 c3 &&
 240        git reset --hard c0 &&
 241        git merge c3 &&
 242        verify_head $c3
 243'
 244
 245test_expect_success 'merges with merge.ff=only' '
 246        git reset --hard c1 &&
 247        test_tick &&
 248        test_config merge.ff "only" &&
 249        test_must_fail git merge c2 &&
 250        test_must_fail git merge c3 &&
 251        test_must_fail git merge c2 c3 &&
 252        git reset --hard c0 &&
 253        git merge c3 &&
 254        verify_head $c3
 255'
 256
 257test_expect_success 'merge c0 with c1 (no-commit)' '
 258        git reset --hard c0 &&
 259        git merge --no-commit c1 &&
 260        verify_merge file result.1 &&
 261        verify_head $c1
 262'
 263
 264test_debug 'git log --graph --decorate --oneline --all'
 265
 266test_expect_success 'merge c1 with c2 (no-commit)' '
 267        git reset --hard c1 &&
 268        git merge --no-commit c2 &&
 269        verify_merge file result.1-5 &&
 270        verify_head $c1 &&
 271        verify_mergeheads $c2
 272'
 273
 274test_debug 'git log --graph --decorate --oneline --all'
 275
 276test_expect_success 'merge c1 with c2 and c3 (no-commit)' '
 277        git reset --hard c1 &&
 278        git merge --no-commit c2 c3 &&
 279        verify_merge file result.1-5-9 &&
 280        verify_head $c1 &&
 281        verify_mergeheads $c2 $c3
 282'
 283
 284test_debug 'git log --graph --decorate --oneline --all'
 285
 286test_expect_success 'merge c0 with c1 (squash)' '
 287        git reset --hard c0 &&
 288        git merge --squash c1 &&
 289        verify_merge file result.1 &&
 290        verify_head $c0 &&
 291        verify_no_mergehead &&
 292        test_cmp squash.1 .git/SQUASH_MSG
 293'
 294
 295test_debug 'git log --graph --decorate --oneline --all'
 296
 297test_expect_success 'merge c0 with c1 (squash, ff-only)' '
 298        git reset --hard c0 &&
 299        git merge --squash --ff-only c1 &&
 300        verify_merge file result.1 &&
 301        verify_head $c0 &&
 302        verify_no_mergehead &&
 303        test_cmp squash.1 .git/SQUASH_MSG
 304'
 305
 306test_debug 'git log --graph --decorate --oneline --all'
 307
 308test_expect_success 'merge c1 with c2 (squash)' '
 309        git reset --hard c1 &&
 310        git merge --squash c2 &&
 311        verify_merge file result.1-5 &&
 312        verify_head $c1 &&
 313        verify_no_mergehead &&
 314        test_cmp squash.1-5 .git/SQUASH_MSG
 315'
 316
 317test_debug 'git log --graph --decorate --oneline --all'
 318
 319test_expect_success 'unsuccessful merge of c1 with c2 (squash, ff-only)' '
 320        git reset --hard c1 &&
 321        test_must_fail git merge --squash --ff-only c2
 322'
 323
 324test_debug 'git log --graph --decorate --oneline --all'
 325
 326test_expect_success 'merge c1 with c2 and c3 (squash)' '
 327        git reset --hard c1 &&
 328        git merge --squash c2 c3 &&
 329        verify_merge file result.1-5-9 &&
 330        verify_head $c1 &&
 331        verify_no_mergehead &&
 332        test_cmp squash.1-5-9 .git/SQUASH_MSG
 333'
 334
 335test_debug 'git log --graph --decorate --oneline --all'
 336
 337test_expect_success 'merge c1 with c2 (no-commit in config)' '
 338        git reset --hard c1 &&
 339        test_config branch.master.mergeoptions "--no-commit" &&
 340        git merge c2 &&
 341        verify_merge file result.1-5 &&
 342        verify_head $c1 &&
 343        verify_mergeheads $c2
 344'
 345
 346test_debug 'git log --graph --decorate --oneline --all'
 347
 348test_expect_success 'merge c1 with c2 (log in config)' '
 349        git reset --hard c1 &&
 350        git merge --log c2 &&
 351        git show -s --pretty=tformat:%s%n%b >expect &&
 352
 353        test_config branch.master.mergeoptions "--log" &&
 354        git reset --hard c1 &&
 355        git merge c2 &&
 356        git show -s --pretty=tformat:%s%n%b >actual &&
 357
 358        test_cmp expect actual
 359'
 360
 361test_expect_success 'merge c1 with c2 (log in config gets overridden)' '
 362        git reset --hard c1 &&
 363        git merge c2 &&
 364        git show -s --pretty=tformat:%s%n%b >expect &&
 365
 366        test_config branch.master.mergeoptions "--no-log" &&
 367        test_config merge.log "true" &&
 368        git reset --hard c1 &&
 369        git merge c2 &&
 370        git show -s --pretty=tformat:%s%n%b >actual &&
 371
 372        test_cmp expect actual
 373'
 374
 375test_expect_success 'merge c1 with c2 (squash in config)' '
 376        git reset --hard c1 &&
 377        test_config branch.master.mergeoptions "--squash" &&
 378        git merge c2 &&
 379        verify_merge file result.1-5 &&
 380        verify_head $c1 &&
 381        verify_no_mergehead &&
 382        test_cmp squash.1-5 .git/SQUASH_MSG
 383'
 384
 385test_debug 'git log --graph --decorate --oneline --all'
 386
 387test_expect_success 'override config option -n with --summary' '
 388        git reset --hard c1 &&
 389        test_config branch.master.mergeoptions "-n" &&
 390        test_tick &&
 391        git merge --summary c2 >diffstat.txt &&
 392        verify_merge file result.1-5 msg.1-5 &&
 393        verify_parents $c1 $c2 &&
 394        if ! grep "^ file |  *2 +-$" diffstat.txt
 395        then
 396                echo "[OOPS] diffstat was not generated with --summary"
 397                false
 398        fi
 399'
 400
 401test_expect_success 'override config option -n with --stat' '
 402        git reset --hard c1 &&
 403        test_config branch.master.mergeoptions "-n" &&
 404        test_tick &&
 405        git merge --stat c2 >diffstat.txt &&
 406        verify_merge file result.1-5 msg.1-5 &&
 407        verify_parents $c1 $c2 &&
 408        if ! grep "^ file |  *2 +-$" diffstat.txt
 409        then
 410                echo "[OOPS] diffstat was not generated with --stat"
 411                false
 412        fi
 413'
 414
 415test_debug 'git log --graph --decorate --oneline --all'
 416
 417test_expect_success 'override config option --stat' '
 418        git reset --hard c1 &&
 419        test_config branch.master.mergeoptions "--stat" &&
 420        test_tick &&
 421        git merge -n c2 >diffstat.txt &&
 422        verify_merge file result.1-5 msg.1-5 &&
 423        verify_parents $c1 $c2 &&
 424        if grep "^ file |  *2 +-$" diffstat.txt
 425        then
 426                echo "[OOPS] diffstat was generated"
 427                false
 428        fi
 429'
 430
 431test_debug 'git log --graph --decorate --oneline --all'
 432
 433test_expect_success 'merge c1 with c2 (override --no-commit)' '
 434        git reset --hard c1 &&
 435        test_config branch.master.mergeoptions "--no-commit" &&
 436        test_tick &&
 437        git merge --commit c2 &&
 438        verify_merge file result.1-5 msg.1-5 &&
 439        verify_parents $c1 $c2
 440'
 441
 442test_debug 'git log --graph --decorate --oneline --all'
 443
 444test_expect_success 'merge c1 with c2 (override --squash)' '
 445        git reset --hard c1 &&
 446        test_config branch.master.mergeoptions "--squash" &&
 447        test_tick &&
 448        git merge --no-squash c2 &&
 449        verify_merge file result.1-5 msg.1-5 &&
 450        verify_parents $c1 $c2
 451'
 452
 453test_debug 'git log --graph --decorate --oneline --all'
 454
 455test_expect_success 'merge c0 with c1 (no-ff)' '
 456        git reset --hard c0 &&
 457        test_tick &&
 458        git merge --no-ff c1 &&
 459        verify_merge file result.1 &&
 460        verify_parents $c0 $c1
 461'
 462
 463test_debug 'git log --graph --decorate --oneline --all'
 464
 465test_expect_success 'merge c0 with c1 (merge.ff=false)' '
 466        git reset --hard c0 &&
 467        test_config merge.ff "false" &&
 468        test_tick &&
 469        git merge c1 &&
 470        verify_merge file result.1 &&
 471        verify_parents $c0 $c1
 472'
 473test_debug 'git log --graph --decorate --oneline --all'
 474
 475test_expect_success 'combine branch.master.mergeoptions with merge.ff' '
 476        git reset --hard c0 &&
 477        test_config branch.master.mergeoptions "--ff" &&
 478        test_config merge.ff "false" &&
 479        test_tick &&
 480        git merge c1 &&
 481        verify_merge file result.1 &&
 482        verify_parents "$c0"
 483'
 484
 485test_expect_success 'tolerate unknown values for merge.ff' '
 486        git reset --hard c0 &&
 487        test_config merge.ff "something-new" &&
 488        test_tick &&
 489        git merge c1 2>message &&
 490        verify_head "$c1" &&
 491        test_cmp empty message
 492'
 493
 494test_expect_success 'combining --squash and --no-ff is refused' '
 495        git reset --hard c0 &&
 496        test_must_fail git merge --squash --no-ff c1 &&
 497        test_must_fail git merge --no-ff --squash c1
 498'
 499
 500test_expect_success 'combining --ff-only and --no-ff is refused' '
 501        test_must_fail git merge --ff-only --no-ff c1 &&
 502        test_must_fail git merge --no-ff --ff-only c1
 503'
 504
 505test_expect_success 'merge c0 with c1 (ff overrides no-ff)' '
 506        git reset --hard c0 &&
 507        test_config branch.master.mergeoptions "--no-ff" &&
 508        git merge --ff c1 &&
 509        verify_merge file result.1 &&
 510        verify_head $c1
 511'
 512
 513test_expect_success 'merge log message' '
 514        git reset --hard c0 &&
 515        git merge --no-log c2 &&
 516        git show -s --pretty=format:%b HEAD >msg.act &&
 517        test_cmp msg.nologff msg.act &&
 518
 519        git reset --hard c0 &&
 520        test_config branch.master.mergeoptions "--no-ff" &&
 521        git merge --no-log c2 &&
 522        git show -s --pretty=format:%b HEAD >msg.act &&
 523        test_cmp msg.nolognoff msg.act &&
 524
 525        git merge --log c3 &&
 526        git show -s --pretty=format:%b HEAD >msg.act &&
 527        test_cmp msg.log msg.act &&
 528
 529        git reset --hard HEAD^ &&
 530        test_config merge.log "yes" &&
 531        git merge c3 &&
 532        git show -s --pretty=format:%b HEAD >msg.act &&
 533        test_cmp msg.log msg.act
 534'
 535
 536test_debug 'git log --graph --decorate --oneline --all'
 537
 538test_expect_success 'merge c1 with c0, c2, c0, and c1' '
 539       git reset --hard c1 &&
 540       test_tick &&
 541       git merge c0 c2 c0 c1 &&
 542       verify_merge file result.1-5 &&
 543       verify_parents $c1 $c2
 544'
 545
 546test_debug 'git log --graph --decorate --oneline --all'
 547
 548test_expect_success 'merge c1 with c0, c2, c0, and c1' '
 549       git reset --hard c1 &&
 550       test_tick &&
 551       git merge c0 c2 c0 c1 &&
 552       verify_merge file result.1-5 &&
 553       verify_parents $c1 $c2
 554'
 555
 556test_debug 'git log --graph --decorate --oneline --all'
 557
 558test_expect_success 'merge c1 with c1 and c2' '
 559       git reset --hard c1 &&
 560       test_tick &&
 561       git merge c1 c2 &&
 562       verify_merge file result.1-5 &&
 563       verify_parents $c1 $c2
 564'
 565
 566test_debug 'git log --graph --decorate --oneline --all'
 567
 568test_expect_success 'merge fast-forward in a dirty tree' '
 569       git reset --hard c0 &&
 570       mv file file1 &&
 571       cat file1 >file &&
 572       rm -f file1 &&
 573       git merge c2
 574'
 575
 576test_debug 'git log --graph --decorate --oneline --all'
 577
 578test_expect_success 'in-index merge' '
 579        git reset --hard c0 &&
 580        git merge --no-ff -s resolve c1 >out &&
 581        test_i18ngrep "Wonderful." out &&
 582        verify_parents $c0 $c1
 583'
 584
 585test_debug 'git log --graph --decorate --oneline --all'
 586
 587test_expect_success 'refresh the index before merging' '
 588        git reset --hard c1 &&
 589        cp file file.n && mv -f file.n file &&
 590        git merge c3
 591'
 592
 593cat >expected.branch <<\EOF
 594Merge branch 'c5-branch' (early part)
 595EOF
 596cat >expected.tag <<\EOF
 597Merge commit 'c5~1'
 598EOF
 599
 600test_expect_success 'merge early part of c2' '
 601        git reset --hard c3 &&
 602        echo c4 >c4.c &&
 603        git add c4.c &&
 604        git commit -m c4 &&
 605        git tag c4 &&
 606        echo c5 >c5.c &&
 607        git add c5.c &&
 608        git commit -m c5 &&
 609        git tag c5 &&
 610        git reset --hard c3 &&
 611        echo c6 >c6.c &&
 612        git add c6.c &&
 613        git commit -m c6 &&
 614        git tag c6 &&
 615        git branch -f c5-branch c5 &&
 616        git merge c5-branch~1 &&
 617        git show -s --pretty=format:%s HEAD >actual.branch &&
 618        git reset --keep HEAD^ &&
 619        git merge c5~1 &&
 620        git show -s --pretty=format:%s HEAD >actual.tag &&
 621        test_cmp expected.branch actual.branch &&
 622        test_cmp expected.tag actual.tag
 623'
 624
 625test_debug 'git log --graph --decorate --oneline --all'
 626
 627test_expect_success 'merge --no-ff --no-commit && commit' '
 628        git reset --hard c0 &&
 629        git merge --no-ff --no-commit c1 &&
 630        EDITOR=: git commit &&
 631        verify_parents $c0 $c1
 632'
 633
 634test_debug 'git log --graph --decorate --oneline --all'
 635
 636test_expect_success 'amending no-ff merge commit' '
 637        EDITOR=: git commit --amend &&
 638        verify_parents $c0 $c1
 639'
 640
 641test_debug 'git log --graph --decorate --oneline --all'
 642
 643cat >editor <<\EOF
 644#!/bin/sh
 645# Add a new message string that was not in the template
 646(
 647        echo "Merge work done on the side branch c1"
 648        echo
 649        cat <"$1"
 650) >"$1.tmp" && mv "$1.tmp" "$1"
 651# strip comments and blank lines from end of message
 652sed -e '/^#/d' < "$1" | sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' > expected
 653EOF
 654chmod 755 editor
 655
 656test_expect_success 'merge --no-ff --edit' '
 657        git reset --hard c0 &&
 658        EDITOR=./editor git merge --no-ff --edit c1 &&
 659        verify_parents $c0 $c1 &&
 660        git cat-file commit HEAD >raw &&
 661        grep "work done on the side branch" raw &&
 662        sed "1,/^$/d" >actual raw &&
 663        test_cmp actual expected
 664'
 665
 666test_expect_success GPG 'merge --ff-only tag' '
 667        git reset --hard c0 &&
 668        git commit --allow-empty -m "A newer commit" &&
 669        git tag -s -m "A newer commit" signed &&
 670        git reset --hard c0 &&
 671
 672        git merge --ff-only signed &&
 673        git rev-parse signed^0 >expect &&
 674        git rev-parse HEAD >actual &&
 675        test_cmp actual expect
 676'
 677
 678test_expect_success GPG 'merge --no-edit tag should skip editor' '
 679        git reset --hard c0 &&
 680        git commit --allow-empty -m "A newer commit" &&
 681        git tag -f -s -m "A newer commit" signed &&
 682        git reset --hard c0 &&
 683
 684        EDITOR=false git merge --no-edit signed &&
 685        git rev-parse signed^0 >expect &&
 686        git rev-parse HEAD^2 >actual &&
 687        test_cmp actual expect
 688'
 689
 690test_done