t/t5520-pull.sh

   1 #!/bin/sh
   2
   3 test_description='pulling into void'
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 . ./test-lib.sh
   9
  10 modify () {
  11         sed -e "$1" "$2" >"$2.x" &&
  12         mv "$2.x" "$2"
  13 }
  14
  15 test_pull_autostash () {
  16         expect_parent_num="$1" &&
  17         shift &&
  18         git reset --hard before-rebase &&
  19         echo dirty >new_file &&
  20         git add new_file &&
  21         git pull "$@" . copy &&
  22         test_cmp_rev HEAD^"$expect_parent_num" copy &&
  23         echo dirty >expect &&
  24         test_cmp expect new_file &&
  25         echo "modified again" >expect &&
  26         test_cmp expect file
  27 }
  28
  29 test_pull_autostash_fail () {
  30         git reset --hard before-rebase &&
  31         echo dirty >new_file &&
  32         git add new_file &&
  33         test_must_fail git pull "$@" . copy 2>err &&
  34         test_i18ngrep -E "uncommitted changes.|overwritten by merge:" err
  35 }
  36
  37 test_expect_success setup '
  38         echo file >file &&
  39         git add file &&
  40         git commit -a -m original
  41 '
  42
  43 test_expect_success 'pulling into void' '
  44         git init cloned &&
  45         (
  46                 cd cloned &&
  47                 git pull ..
  48         ) &&
  49         test_path_is_file file &&
  50         test_path_is_file cloned/file &&
  51         test_cmp file cloned/file
  52 '
  53
  54 test_expect_success 'pulling into void using main:main' '
  55         git init cloned-uho &&
  56         (
  57                 cd cloned-uho &&
  58                 git pull .. main:main
  59         ) &&
  60         test_path_is_file file &&
  61         test_path_is_file cloned-uho/file &&
  62         test_cmp file cloned-uho/file
  63 '
  64
  65 test_expect_success 'pulling into void does not overwrite untracked files' '
  66         git init cloned-untracked &&
  67         (
  68                 cd cloned-untracked &&
  69                 echo untracked >file &&
  70                 test_must_fail git pull .. main &&
  71                 echo untracked >expect &&
  72                 test_cmp expect file
  73         )
  74 '
  75
  76 test_expect_success 'pulling into void does not overwrite staged files' '
  77         git init cloned-staged-colliding &&
  78         (
  79                 cd cloned-staged-colliding &&
  80                 echo "alternate content" >file &&
  81                 git add file &&
  82                 test_must_fail git pull .. main &&
  83                 echo "alternate content" >expect &&
  84                 test_cmp expect file &&
  85                 git cat-file blob :file >file.index &&
  86                 test_cmp expect file.index
  87         )
  88 '
  89
  90 test_expect_success 'pulling into void does not remove new staged files' '
  91         git init cloned-staged-new &&
  92         (
  93                 cd cloned-staged-new &&
  94                 echo "new tracked file" >newfile &&
  95                 git add newfile &&
  96                 git pull .. main &&
  97                 echo "new tracked file" >expect &&
  98                 test_cmp expect newfile &&
  99                 git cat-file blob :newfile >newfile.index &&
 100                 test_cmp expect newfile.index
 101         )
 102 '
 103
 104 test_expect_success 'pulling into void must not create an octopus' '
 105         git init cloned-octopus &&
 106         (
 107                 cd cloned-octopus &&
 108                 test_must_fail git pull .. main main &&
 109                 test_path_is_missing file
 110         )
 111 '
 112
 113 test_expect_success 'test . as a remote' '
 114         git branch copy main &&
 115         git config branch.copy.remote . &&
 116         git config branch.copy.merge refs/heads/main &&
 117         echo updated >file &&
 118         git commit -a -m updated &&
 119         git checkout copy &&
 120         echo file >expect &&
 121         test_cmp expect file &&
 122         git pull &&
 123         echo updated >expect &&
 124         test_cmp expect file &&
 125         git reflog -1 >reflog.actual &&
 126         sed "s/^[0-9a-f][0-9a-f]*/OBJID/" reflog.actual >reflog.fuzzy &&
 127         echo "OBJID HEAD@{0}: pull: Fast-forward" >reflog.expected &&
 128         test_cmp reflog.expected reflog.fuzzy
 129 '
 130
 131 test_expect_success 'the default remote . should not break explicit pull' '
 132         git checkout -b second main^ &&
 133         echo modified >file &&
 134         git commit -a -m modified &&
 135         git checkout copy &&
 136         git reset --hard HEAD^ &&
 137         echo file >expect &&
 138         test_cmp expect file &&
 139         git pull --no-rebase . second &&
 140         echo modified >expect &&
 141         test_cmp expect file &&
 142         git reflog -1 >reflog.actual &&
 143         sed "s/^[0-9a-f][0-9a-f]*/OBJID/" reflog.actual >reflog.fuzzy &&
 144         echo "OBJID HEAD@{0}: pull --no-rebase . second: Fast-forward" >reflog.expected &&
 145         test_cmp reflog.expected reflog.fuzzy
 146 '
 147
 148 test_expect_success 'fail if wildcard spec does not match any refs' '
 149         git checkout -b test copy^ &&
 150         test_when_finished "git checkout -f copy && git branch -D test" &&
 151         echo file >expect &&
 152         test_cmp expect file &&
 153         test_must_fail git pull . "refs/nonexisting1/*:refs/nonexisting2/*" 2>err &&
 154         test_i18ngrep "no candidates for merging" err &&
 155         test_cmp expect file
 156 '
 157
 158 test_expect_success 'fail if no branches specified with non-default remote' '
 159         git remote add test_remote . &&
 160         test_when_finished "git remote remove test_remote" &&
 161         git checkout -b test copy^ &&
 162         test_when_finished "git checkout -f copy && git branch -D test" &&
 163         echo file >expect &&
 164         test_cmp expect file &&
 165         test_config branch.test.remote origin &&
 166         test_must_fail git pull test_remote 2>err &&
 167         test_i18ngrep "specify a branch on the command line" err &&
 168         test_cmp expect file
 169 '
 170
 171 test_expect_success 'fail if not on a branch' '
 172         git remote add origin . &&
 173         test_when_finished "git remote remove origin" &&
 174         git checkout HEAD^ &&
 175         test_when_finished "git checkout -f copy" &&
 176         echo file >expect &&
 177         test_cmp expect file &&
 178         test_must_fail git pull 2>err &&
 179         test_i18ngrep "not currently on a branch" err &&
 180         test_cmp expect file
 181 '
 182
 183 test_expect_success 'fail if no configuration for current branch' '
 184         git remote add test_remote . &&
 185         test_when_finished "git remote remove test_remote" &&
 186         git checkout -b test copy^ &&
 187         test_when_finished "git checkout -f copy && git branch -D test" &&
 188         test_config branch.test.remote test_remote &&
 189         echo file >expect &&
 190         test_cmp expect file &&
 191         test_must_fail git pull 2>err &&
 192         test_i18ngrep "no tracking information" err &&
 193         test_cmp expect file
 194 '
 195
 196 test_expect_success 'pull --all: fail if no configuration for current branch' '
 197         git remote add test_remote . &&
 198         test_when_finished "git remote remove test_remote" &&
 199         git checkout -b test copy^ &&
 200         test_when_finished "git checkout -f copy && git branch -D test" &&
 201         test_config branch.test.remote test_remote &&
 202         echo file >expect &&
 203         test_cmp expect file &&
 204         test_must_fail git pull --all 2>err &&
 205         test_i18ngrep "There is no tracking information" err &&
 206         test_cmp expect file
 207 '
 208
 209 test_expect_success 'fail if upstream branch does not exist' '
 210         git checkout -b test copy^ &&
 211         test_when_finished "git checkout -f copy && git branch -D test" &&
 212         test_config branch.test.remote . &&
 213         test_config branch.test.merge refs/heads/nonexisting &&
 214         echo file >expect &&
 215         test_cmp expect file &&
 216         test_must_fail git pull 2>err &&
 217         test_i18ngrep "no such ref was fetched" err &&
 218         test_cmp expect file
 219 '
 220
 221 test_expect_success 'fetch upstream branch even if refspec excludes it' '
 222         # the branch names are not important here except that
 223         # the first one must not be a prefix of the second,
 224         # since otherwise the ref-prefix protocol extension
 225         # would match both
 226         git branch in-refspec HEAD^ &&
 227         git branch not-in-refspec HEAD &&
 228         git init -b in-refspec downstream &&
 229         git -C downstream remote add -t in-refspec origin "file://$(pwd)/.git" &&
 230         git -C downstream config branch.in-refspec.remote origin &&
 231         git -C downstream config branch.in-refspec.merge refs/heads/not-in-refspec &&
 232         git -C downstream pull &&
 233         git rev-parse --verify not-in-refspec >expect &&
 234         git -C downstream rev-parse --verify HEAD >actual &&
 235         test_cmp expect actual
 236 '
 237
 238 test_expect_success 'fail if the index has unresolved entries' '
 239         git checkout -b third second^ &&
 240         test_when_finished "git checkout -f copy && git branch -D third" &&
 241         echo file >expect &&
 242         test_cmp expect file &&
 243         test_commit modified2 file &&
 244         git ls-files -u >unmerged &&
 245         test_must_be_empty unmerged &&
 246         test_must_fail git pull --no-rebase . second &&
 247         git ls-files -u >unmerged &&
 248         test_file_not_empty unmerged &&
 249         cp file expected &&
 250         test_must_fail git pull . second 2>err &&
 251         test_i18ngrep "Pulling is not possible because you have unmerged files." err &&
 252         test_cmp expected file &&
 253         git add file &&
 254         git ls-files -u >unmerged &&
 255         test_must_be_empty unmerged &&
 256         test_must_fail git pull . second 2>err &&
 257         test_i18ngrep "You have not concluded your merge" err &&
 258         test_cmp expected file
 259 '
 260
 261 test_expect_success 'fast-forwards working tree if branch head is updated' '
 262         git checkout -b third second^ &&
 263         test_when_finished "git checkout -f copy && git branch -D third" &&
 264         echo file >expect &&
 265         test_cmp expect file &&
 266         git pull . second:third 2>err &&
 267         test_i18ngrep "fetch updated the current branch head" err &&
 268         echo modified >expect &&
 269         test_cmp expect file &&
 270         test_cmp_rev third second
 271 '
 272
 273 test_expect_success 'fast-forward fails with conflicting work tree' '
 274         git checkout -b third second^ &&
 275         test_when_finished "git checkout -f copy && git branch -D third" &&
 276         echo file >expect &&
 277         test_cmp expect file &&
 278         echo conflict >file &&
 279         test_must_fail git pull . second:third 2>err &&
 280         test_i18ngrep "Cannot fast-forward your working tree" err &&
 281         echo conflict >expect &&
 282         test_cmp expect file &&
 283         test_cmp_rev third second
 284 '
 285
 286 test_expect_success '--rebase' '
 287         git branch to-rebase &&
 288         echo modified again >file &&
 289         git commit -m file file &&
 290         git checkout to-rebase &&
 291         echo new >file2 &&
 292         git add file2 &&
 293         git commit -m "new file" &&
 294         git tag before-rebase &&
 295         git pull --rebase . copy &&
 296         test_cmp_rev HEAD^ copy &&
 297         echo new >expect &&
 298         git show HEAD:file2 >actual &&
 299         test_cmp expect actual
 300 '
 301
 302 test_expect_success '--rebase (merge) fast forward' '
 303         git reset --hard before-rebase &&
 304         git checkout -b ff &&
 305         echo another modification >file &&
 306         git commit -m third file &&
 307
 308         git checkout to-rebase &&
 309         git -c rebase.backend=merge pull --rebase . ff &&
 310         test_cmp_rev HEAD ff &&
 311
 312         # The above only validates the result.  Did we actually bypass rebase?
 313         git reflog -1 >reflog.actual &&
 314         sed "s/^[0-9a-f][0-9a-f]*/OBJID/" reflog.actual >reflog.fuzzy &&
 315         echo "OBJID HEAD@{0}: pull --rebase . ff: Fast-forward" >reflog.expected &&
 316         test_cmp reflog.expected reflog.fuzzy
 317 '
 318
 319 test_expect_success '--rebase (am) fast forward' '
 320         git reset --hard before-rebase &&
 321
 322         git -c rebase.backend=apply pull --rebase . ff &&
 323         test_cmp_rev HEAD ff &&
 324
 325         # The above only validates the result.  Did we actually bypass rebase?
 326         git reflog -1 >reflog.actual &&
 327         sed "s/^[0-9a-f][0-9a-f]*/OBJID/" reflog.actual >reflog.fuzzy &&
 328         echo "OBJID HEAD@{0}: pull --rebase . ff: Fast-forward" >reflog.expected &&
 329         test_cmp reflog.expected reflog.fuzzy
 330 '
 331
 332 test_expect_success '--rebase --autostash fast forward' '
 333         test_when_finished "
 334                 git reset --hard
 335                 git checkout to-rebase
 336                 git branch -D to-rebase-ff
 337                 git branch -D behind" &&
 338         git branch behind &&
 339         git checkout -b to-rebase-ff &&
 340         echo another modification >>file &&
 341         git add file &&
 342         git commit -m mod &&
 343
 344         git checkout behind &&
 345         echo dirty >file &&
 346         git pull --rebase --autostash . to-rebase-ff &&
 347         test_cmp_rev HEAD to-rebase-ff
 348 '
 349
 350 test_expect_success '--rebase with rebase.autostash succeeds on ff' '
 351         test_when_finished "rm -fr src dst actual" &&
 352         git init src &&
 353         test_commit -C src "initial" file "content" &&
 354         git clone src dst &&
 355         test_commit -C src --printf "more_content" file "more content\ncontent\n" &&
 356         echo "dirty" >>dst/file &&
 357         test_config -C dst rebase.autostash true &&
 358         git -C dst pull --rebase >actual 2>&1 &&
 359         grep -q "Fast-forward" actual &&
 360         grep -q "Applied autostash." actual
 361 '
 362
 363 test_expect_success '--rebase with conflicts shows advice' '
 364         test_when_finished "git rebase --abort; git checkout -f to-rebase" &&
 365         git checkout -b seq &&
 366         test_seq 5 >seq.txt &&
 367         git add seq.txt &&
 368         test_tick &&
 369         git commit -m "Add seq.txt" &&
 370         echo 6 >>seq.txt &&
 371         test_tick &&
 372         git commit -m "Append to seq.txt" seq.txt &&
 373         git checkout -b with-conflicts HEAD^ &&
 374         echo conflicting >>seq.txt &&
 375         test_tick &&
 376         git commit -m "Create conflict" seq.txt &&
 377         test_must_fail git pull --rebase . seq 2>err >out &&
 378         test_i18ngrep "Resolve all conflicts manually" err
 379 '
 380
 381 test_expect_success 'failed --rebase shows advice' '
 382         test_when_finished "git rebase --abort; git checkout -f to-rebase" &&
 383         git checkout -b diverging &&
 384         test_commit attributes .gitattributes "* text=auto" attrs &&
 385         sha1="$(printf "1\\r\\n" | git hash-object -w --stdin)" &&
 386         git update-index --cacheinfo 0644 $sha1 file &&
 387         git commit -m v1-with-cr &&
 388         # force checkout because `git reset --hard` will not leave clean `file`
 389         git checkout -f -b fails-to-rebase HEAD^ &&
 390         test_commit v2-without-cr file "2" file2-lf &&
 391         test_must_fail git pull --rebase . diverging 2>err >out &&
 392         test_i18ngrep "Resolve all conflicts manually" err
 393 '
 394
 395 test_expect_success '--rebase fails with multiple branches' '
 396         git reset --hard before-rebase &&
 397         test_must_fail git pull --rebase . copy main 2>err &&
 398         test_cmp_rev HEAD before-rebase &&
 399         test_i18ngrep "Cannot rebase onto multiple branches" err &&
 400         echo modified >expect &&
 401         git show HEAD:file >actual &&
 402         test_cmp expect actual
 403 '
 404
 405 test_expect_success 'pull --rebase succeeds with dirty working directory and rebase.autostash set' '
 406         test_config rebase.autostash true &&
 407         test_pull_autostash 1 --rebase
 408 '
 409
 410 test_expect_success 'pull --rebase --autostash & rebase.autostash=true' '
 411         test_config rebase.autostash true &&
 412         test_pull_autostash 1 --rebase --autostash
 413 '
 414
 415 test_expect_success 'pull --rebase --autostash & rebase.autostash=false' '
 416         test_config rebase.autostash false &&
 417         test_pull_autostash 1 --rebase --autostash
 418 '
 419
 420 test_expect_success 'pull --rebase --autostash & rebase.autostash unset' '
 421         test_unconfig rebase.autostash &&
 422         test_pull_autostash 1 --rebase --autostash
 423 '
 424
 425 test_expect_success 'pull --rebase --no-autostash & rebase.autostash=true' '
 426         test_config rebase.autostash true &&
 427         test_pull_autostash_fail --rebase --no-autostash
 428 '
 429
 430 test_expect_success 'pull --rebase --no-autostash & rebase.autostash=false' '
 431         test_config rebase.autostash false &&
 432         test_pull_autostash_fail --rebase --no-autostash
 433 '
 434
 435 test_expect_success 'pull --rebase --no-autostash & rebase.autostash unset' '
 436         test_unconfig rebase.autostash &&
 437         test_pull_autostash_fail --rebase --no-autostash
 438 '
 439
 440 test_expect_success 'pull succeeds with dirty working directory and merge.autostash set' '
 441         test_config merge.autostash true &&
 442         test_pull_autostash 2 --no-rebase
 443 '
 444
 445 test_expect_success 'pull --autostash & merge.autostash=true' '
 446         test_config merge.autostash true &&
 447         test_pull_autostash 2 --autostash --no-rebase
 448 '
 449
 450 test_expect_success 'pull --autostash & merge.autostash=false' '
 451         test_config merge.autostash false &&
 452         test_pull_autostash 2 --autostash --no-rebase
 453 '
 454
 455 test_expect_success 'pull --autostash & merge.autostash unset' '
 456         test_unconfig merge.autostash &&
 457         test_pull_autostash 2 --autostash --no-rebase
 458 '
 459
 460 test_expect_success 'pull --no-autostash & merge.autostash=true' '
 461         test_config merge.autostash true &&
 462         test_pull_autostash_fail --no-autostash --no-rebase
 463 '
 464
 465 test_expect_success 'pull --no-autostash & merge.autostash=false' '
 466         test_config merge.autostash false &&
 467         test_pull_autostash_fail --no-autostash --no-rebase
 468 '
 469
 470 test_expect_success 'pull --no-autostash & merge.autostash unset' '
 471         test_unconfig merge.autostash &&
 472         test_pull_autostash_fail --no-autostash --no-rebase
 473 '
 474
 475 test_expect_success 'pull.rebase' '
 476         git reset --hard before-rebase &&
 477         test_config pull.rebase true &&
 478         git pull . copy &&
 479         test_cmp_rev HEAD^ copy &&
 480         echo new >expect &&
 481         git show HEAD:file2 >actual &&
 482         test_cmp expect actual
 483 '
 484
 485 test_expect_success 'pull --autostash & pull.rebase=true' '
 486         test_config pull.rebase true &&
 487         test_pull_autostash 1 --autostash
 488 '
 489
 490 test_expect_success 'pull --no-autostash & pull.rebase=true' '
 491         test_config pull.rebase true &&
 492         test_pull_autostash_fail --no-autostash
 493 '
 494
 495 test_expect_success 'branch.to-rebase.rebase' '
 496         git reset --hard before-rebase &&
 497         test_config branch.to-rebase.rebase true &&
 498         git pull . copy &&
 499         test_cmp_rev HEAD^ copy &&
 500         echo new >expect &&
 501         git show HEAD:file2 >actual &&
 502         test_cmp expect actual
 503 '
 504
 505 test_expect_success 'branch.to-rebase.rebase should override pull.rebase' '
 506         git reset --hard before-rebase &&
 507         test_config pull.rebase true &&
 508         test_config branch.to-rebase.rebase false &&
 509         git pull . copy &&
 510         test_cmp_rev ! HEAD^ copy &&
 511         echo new >expect &&
 512         git show HEAD:file2 >actual &&
 513         test_cmp expect actual
 514 '
 515
 516 test_expect_success 'pull --rebase warns on --verify-signatures' '
 517         git reset --hard before-rebase &&
 518         git pull --rebase --verify-signatures . copy 2>err &&
 519         test_cmp_rev HEAD^ copy &&
 520         echo new >expect &&
 521         git show HEAD:file2 >actual &&
 522         test_cmp expect actual &&
 523         test_i18ngrep "ignoring --verify-signatures for rebase" err
 524 '
 525
 526 test_expect_success 'pull --rebase does not warn on --no-verify-signatures' '
 527         git reset --hard before-rebase &&
 528         git pull --rebase --no-verify-signatures . copy 2>err &&
 529         test_cmp_rev HEAD^ copy &&
 530         echo new >expect &&
 531         git show HEAD:file2 >actual &&
 532         test_cmp expect actual &&
 533         test_i18ngrep ! "verify-signatures" err
 534 '
 535
 536 # add a feature branch, keep-merge, that is merged into main, so the
 537 # test can try preserving the merge commit (or not) with various
 538 # --rebase flags/pull.rebase settings.
 539 test_expect_success 'preserve merge setup' '
 540         git reset --hard before-rebase &&
 541         git checkout -b keep-merge second^ &&
 542         test_commit file3 &&
 543         git checkout to-rebase &&
 544         git merge keep-merge &&
 545         git tag before-preserve-rebase
 546 '
 547
 548 test_expect_success 'pull.rebase=false create a new merge commit' '
 549         git reset --hard before-preserve-rebase &&
 550         test_config pull.rebase false &&
 551         git pull . copy &&
 552         test_cmp_rev HEAD^1 before-preserve-rebase &&
 553         test_cmp_rev HEAD^2 copy &&
 554         echo file3 >expect &&
 555         git show HEAD:file3.t >actual &&
 556         test_cmp expect actual
 557 '
 558
 559 test_expect_success 'pull.rebase=true flattens keep-merge' '
 560         git reset --hard before-preserve-rebase &&
 561         test_config pull.rebase true &&
 562         git pull . copy &&
 563         test_cmp_rev HEAD^^ copy &&
 564         echo file3 >expect &&
 565         git show HEAD:file3.t >actual &&
 566         test_cmp expect actual
 567 '
 568
 569 test_expect_success 'pull.rebase=1 is treated as true and flattens keep-merge' '
 570         git reset --hard before-preserve-rebase &&
 571         test_config pull.rebase 1 &&
 572         git pull . copy &&
 573         test_cmp_rev HEAD^^ copy &&
 574         echo file3 >expect &&
 575         git show HEAD:file3.t >actual &&
 576         test_cmp expect actual
 577 '
 578
 579 test_expect_success 'pull.rebase=interactive' '
 580         write_script "$TRASH_DIRECTORY/fake-editor" <<-\EOF &&
 581         echo I was here >fake.out &&
 582         false
 583         EOF
 584         test_set_editor "$TRASH_DIRECTORY/fake-editor" &&
 585         test_when_finished "test_might_fail git rebase --abort" &&
 586         test_must_fail git pull --rebase=interactive . copy &&
 587         echo "I was here" >expect &&
 588         test_cmp expect fake.out
 589 '
 590
 591 test_expect_success 'pull --rebase=i' '
 592         write_script "$TRASH_DIRECTORY/fake-editor" <<-\EOF &&
 593         echo I was here, too >fake.out &&
 594         false
 595         EOF
 596         test_set_editor "$TRASH_DIRECTORY/fake-editor" &&
 597         test_when_finished "test_might_fail git rebase --abort" &&
 598         test_must_fail git pull --rebase=i . copy &&
 599         echo "I was here, too" >expect &&
 600         test_cmp expect fake.out
 601 '
 602
 603 test_expect_success 'pull.rebase=invalid fails' '
 604         git reset --hard before-preserve-rebase &&
 605         test_config pull.rebase invalid &&
 606         test_must_fail git pull . copy
 607 '
 608
 609 test_expect_success '--rebase=false create a new merge commit' '
 610         git reset --hard before-preserve-rebase &&
 611         test_config pull.rebase true &&
 612         git pull --rebase=false . copy &&
 613         test_cmp_rev HEAD^1 before-preserve-rebase &&
 614         test_cmp_rev HEAD^2 copy &&
 615         echo file3 >expect &&
 616         git show HEAD:file3.t >actual &&
 617         test_cmp expect actual
 618 '
 619
 620 test_expect_success '--rebase=true rebases and flattens keep-merge' '
 621         git reset --hard before-preserve-rebase &&
 622         test_config pull.rebase merges &&
 623         git pull --rebase=true . copy &&
 624         test_cmp_rev HEAD^^ copy &&
 625         echo file3 >expect &&
 626         git show HEAD:file3.t >actual &&
 627         test_cmp expect actual
 628 '
 629
 630 test_expect_success '--rebase=invalid fails' '
 631         git reset --hard before-preserve-rebase &&
 632         test_must_fail git pull --rebase=invalid . copy
 633 '
 634
 635 test_expect_success '--rebase overrides pull.rebase=merges and flattens keep-merge' '
 636         git reset --hard before-preserve-rebase &&
 637         test_config pull.rebase merges &&
 638         git pull --rebase . copy &&
 639         test_cmp_rev HEAD^^ copy &&
 640         echo file3 >expect &&
 641         git show HEAD:file3.t >actual &&
 642         test_cmp expect actual
 643 '
 644
 645 test_expect_success '--rebase with rebased upstream' '
 646         git remote add -f me . &&
 647         git checkout copy &&
 648         git tag copy-orig &&
 649         git reset --hard HEAD^ &&
 650         echo conflicting modification >file &&
 651         git commit -m conflict file &&
 652         git checkout to-rebase &&
 653         echo file >file2 &&
 654         git commit -m to-rebase file2 &&
 655         git tag to-rebase-orig &&
 656         git pull --rebase me copy &&
 657         echo "conflicting modification" >expect &&
 658         test_cmp expect file &&
 659         echo file >expect &&
 660         test_cmp expect file2
 661 '
 662
 663 test_expect_success '--rebase -f with rebased upstream' '
 664         test_when_finished "test_might_fail git rebase --abort" &&
 665         git reset --hard to-rebase-orig &&
 666         git pull --rebase -f me copy &&
 667         echo "conflicting modification" >expect &&
 668         test_cmp expect file &&
 669         echo file >expect &&
 670         test_cmp expect file2
 671 '
 672
 673 test_expect_success '--rebase with rebased default upstream' '
 674         git update-ref refs/remotes/me/copy copy-orig &&
 675         git checkout --track -b to-rebase2 me/copy &&
 676         git reset --hard to-rebase-orig &&
 677         git pull --rebase &&
 678         echo "conflicting modification" >expect &&
 679         test_cmp expect file &&
 680         echo file >expect &&
 681         test_cmp expect file2
 682 '
 683
 684 test_expect_success 'rebased upstream + fetch + pull --rebase' '
 685
 686         git update-ref refs/remotes/me/copy copy-orig &&
 687         git reset --hard to-rebase-orig &&
 688         git checkout --track -b to-rebase3 me/copy &&
 689         git reset --hard to-rebase-orig &&
 690         git fetch &&
 691         git pull --rebase &&
 692         echo "conflicting modification" >expect &&
 693         test_cmp expect file &&
 694         echo file >expect &&
 695         test_cmp expect file2
 696
 697 '
 698
 699 test_expect_success 'pull --rebase dies early with dirty working directory' '
 700         git checkout to-rebase &&
 701         git update-ref refs/remotes/me/copy copy^ &&
 702         COPY="$(git rev-parse --verify me/copy)" &&
 703         git rebase --onto $COPY copy &&
 704         test_config branch.to-rebase.remote me &&
 705         test_config branch.to-rebase.merge refs/heads/copy &&
 706         test_config branch.to-rebase.rebase true &&
 707         echo dirty >>file &&
 708         git add file &&
 709         test_must_fail git pull &&
 710         test_cmp_rev "$COPY" me/copy &&
 711         git checkout HEAD -- file &&
 712         git pull &&
 713         test_cmp_rev ! "$COPY" me/copy
 714 '
 715
 716 test_expect_success 'pull --rebase works on branch yet to be born' '
 717         git rev-parse main >expect &&
 718         mkdir empty_repo &&
 719         (
 720                 cd empty_repo &&
 721                 git init &&
 722                 git pull --rebase .. main &&
 723                 git rev-parse HEAD >../actual
 724         ) &&
 725         test_cmp expect actual
 726 '
 727
 728 test_expect_success 'pull --rebase fails on unborn branch with staged changes' '
 729         test_when_finished "rm -rf empty_repo2" &&
 730         git init empty_repo2 &&
 731         (
 732                 cd empty_repo2 &&
 733                 echo staged-file >staged-file &&
 734                 git add staged-file &&
 735                 echo staged-file >expect &&
 736                 git ls-files >actual &&
 737                 test_cmp expect actual &&
 738                 test_must_fail git pull --rebase .. main 2>err &&
 739                 git ls-files >actual &&
 740                 test_cmp expect actual &&
 741                 git show :staged-file >actual &&
 742                 test_cmp expect actual &&
 743                 test_i18ngrep "unborn branch with changes added to the index" err
 744         )
 745 '
 746
 747 test_expect_success 'pull --rebase fails on corrupt HEAD' '
 748         test_when_finished "rm -rf corrupt" &&
 749         git init corrupt &&
 750         (
 751                 cd corrupt &&
 752                 test_commit one &&
 753                 git rev-parse --verify HEAD >head &&
 754                 obj=$(sed "s#^..#&/#" head) &&
 755                 rm -f .git/objects/$obj &&
 756                 test_must_fail git pull --rebase
 757         )
 758 '
 759
 760 test_expect_success 'setup for detecting upstreamed changes' '
 761         test_create_repo src &&
 762         test_commit -C src --printf one stuff "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" &&
 763         git clone src dst &&
 764         (
 765                 cd src &&
 766                 modify s/5/43/ stuff &&
 767                 git commit -a -m "5->43" &&
 768                 modify s/6/42/ stuff &&
 769                 git commit -a -m "Make it bigger"
 770         ) &&
 771         (
 772                 cd dst &&
 773                 modify s/5/43/ stuff &&
 774                 git commit -a -m "Independent discovery of 5->43"
 775         )
 776 '
 777
 778 test_expect_success 'git pull --rebase detects upstreamed changes' '
 779         (
 780                 cd dst &&
 781                 git pull --rebase &&
 782                 git ls-files -u >untracked &&
 783                 test_must_be_empty untracked
 784         )
 785 '
 786
 787 test_expect_success 'setup for avoiding reapplying old patches' '
 788         (
 789                 cd dst &&
 790                 test_might_fail git rebase --abort &&
 791                 git reset --hard origin/main
 792         ) &&
 793         git clone --bare src src-replace.git &&
 794         rm -rf src &&
 795         mv src-replace.git src &&
 796         (
 797                 cd dst &&
 798                 modify s/2/22/ stuff &&
 799                 git commit -a -m "Change 2" &&
 800                 modify s/3/33/ stuff &&
 801                 git commit -a -m "Change 3" &&
 802                 modify s/4/44/ stuff &&
 803                 git commit -a -m "Change 4" &&
 804                 git push &&
 805
 806                 modify s/44/55/ stuff &&
 807                 git commit --amend -a -m "Modified Change 4"
 808         )
 809 '
 810
 811 test_expect_success 'git pull --rebase does not reapply old patches' '
 812         (
 813                 cd dst &&
 814                 test_must_fail git pull --rebase &&
 815                 cat .git/rebase-merge/done .git/rebase-merge/git-rebase-todo >work &&
 816                 grep -v -e \# -e ^$ work >patches &&
 817                 test_line_count = 1 patches &&
 818                 rm -f work
 819         )
 820 '
 821
 822 test_expect_success 'git pull --rebase against local branch' '
 823         git checkout -b copy2 to-rebase-orig &&
 824         git pull --rebase . to-rebase &&
 825         echo "conflicting modification" >expect &&
 826         test_cmp expect file &&
 827         echo file >expect &&
 828         test_cmp expect file2
 829 '
 830
 831 test_done