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   1#!/bin/sh
   2
   3test_description='merge-recursive backend test'
   4
   5. ./test-lib.sh
   6
   7test_expect_success 'setup 1' '
   8
   9        echo hello >a &&
  10        o0=$(git hash-object a) &&
  11        cp a b &&
  12        cp a c &&
  13        mkdir d &&
  14        cp a d/e &&
  15
  16        test_tick &&
  17        git add a b c d/e &&
  18        git commit -m initial &&
  19        c0=$(git rev-parse --verify HEAD) &&
  20        git branch side &&
  21        git branch df-1 &&
  22        git branch df-2 &&
  23        git branch df-3 &&
  24        git branch remove &&
  25        git branch submod &&
  26        git branch copy &&
  27        git branch rename &&
  28        git branch rename-ln &&
  29
  30        echo hello >>a &&
  31        cp a d/e &&
  32        o1=$(git hash-object a) &&
  33
  34        git add a d/e &&
  35
  36        test_tick &&
  37        git commit -m "master modifies a and d/e" &&
  38        c1=$(git rev-parse --verify HEAD) &&
  39        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
  40        (
  41                echo "100644 blob $o1   a"
  42                echo "100644 blob $o0   b"
  43                echo "100644 blob $o0   c"
  44                echo "100644 blob $o1   d/e"
  45                echo "100644 $o1 0      a"
  46                echo "100644 $o0 0      b"
  47                echo "100644 $o0 0      c"
  48                echo "100644 $o1 0      d/e"
  49        ) >expected &&
  50        test_cmp expected actual
  51'
  52
  53test_expect_success 'setup 2' '
  54
  55        rm -rf [abcd] &&
  56        git checkout side &&
  57        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
  58        (
  59                echo "100644 blob $o0   a"
  60                echo "100644 blob $o0   b"
  61                echo "100644 blob $o0   c"
  62                echo "100644 blob $o0   d/e"
  63                echo "100644 $o0 0      a"
  64                echo "100644 $o0 0      b"
  65                echo "100644 $o0 0      c"
  66                echo "100644 $o0 0      d/e"
  67        ) >expected &&
  68        test_cmp expected actual &&
  69
  70        echo goodbye >>a &&
  71        o2=$(git hash-object a) &&
  72
  73        git add a &&
  74
  75        test_tick &&
  76        git commit -m "side modifies a" &&
  77        c2=$(git rev-parse --verify HEAD) &&
  78        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
  79        (
  80                echo "100644 blob $o2   a"
  81                echo "100644 blob $o0   b"
  82                echo "100644 blob $o0   c"
  83                echo "100644 blob $o0   d/e"
  84                echo "100644 $o2 0      a"
  85                echo "100644 $o0 0      b"
  86                echo "100644 $o0 0      c"
  87                echo "100644 $o0 0      d/e"
  88        ) >expected &&
  89        test_cmp expected actual
  90'
  91
  92test_expect_success 'setup 3' '
  93
  94        rm -rf [abcd] &&
  95        git checkout df-1 &&
  96        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
  97        (
  98                echo "100644 blob $o0   a"
  99                echo "100644 blob $o0   b"
 100                echo "100644 blob $o0   c"
 101                echo "100644 blob $o0   d/e"
 102                echo "100644 $o0 0      a"
 103                echo "100644 $o0 0      b"
 104                echo "100644 $o0 0      c"
 105                echo "100644 $o0 0      d/e"
 106        ) >expected &&
 107        test_cmp expected actual &&
 108
 109        rm -f b && mkdir b && echo df-1 >b/c && git add b/c &&
 110        o3=$(git hash-object b/c) &&
 111
 112        test_tick &&
 113        git commit -m "df-1 makes b/c" &&
 114        c3=$(git rev-parse --verify HEAD) &&
 115        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
 116        (
 117                echo "100644 blob $o0   a"
 118                echo "100644 blob $o3   b/c"
 119                echo "100644 blob $o0   c"
 120                echo "100644 blob $o0   d/e"
 121                echo "100644 $o0 0      a"
 122                echo "100644 $o3 0      b/c"
 123                echo "100644 $o0 0      c"
 124                echo "100644 $o0 0      d/e"
 125        ) >expected &&
 126        test_cmp expected actual
 127'
 128
 129test_expect_success 'setup 4' '
 130
 131        rm -rf [abcd] &&
 132        git checkout df-2 &&
 133        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
 134        (
 135                echo "100644 blob $o0   a"
 136                echo "100644 blob $o0   b"
 137                echo "100644 blob $o0   c"
 138                echo "100644 blob $o0   d/e"
 139                echo "100644 $o0 0      a"
 140                echo "100644 $o0 0      b"
 141                echo "100644 $o0 0      c"
 142                echo "100644 $o0 0      d/e"
 143        ) >expected &&
 144        test_cmp expected actual &&
 145
 146        rm -f a && mkdir a && echo df-2 >a/c && git add a/c &&
 147        o4=$(git hash-object a/c) &&
 148
 149        test_tick &&
 150        git commit -m "df-2 makes a/c" &&
 151        c4=$(git rev-parse --verify HEAD) &&
 152        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
 153        (
 154                echo "100644 blob $o4   a/c"
 155                echo "100644 blob $o0   b"
 156                echo "100644 blob $o0   c"
 157                echo "100644 blob $o0   d/e"
 158                echo "100644 $o4 0      a/c"
 159                echo "100644 $o0 0      b"
 160                echo "100644 $o0 0      c"
 161                echo "100644 $o0 0      d/e"
 162        ) >expected &&
 163        test_cmp expected actual
 164'
 165
 166test_expect_success 'setup 5' '
 167
 168        rm -rf [abcd] &&
 169        git checkout remove &&
 170        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
 171        (
 172                echo "100644 blob $o0   a"
 173                echo "100644 blob $o0   b"
 174                echo "100644 blob $o0   c"
 175                echo "100644 blob $o0   d/e"
 176                echo "100644 $o0 0      a"
 177                echo "100644 $o0 0      b"
 178                echo "100644 $o0 0      c"
 179                echo "100644 $o0 0      d/e"
 180        ) >expected &&
 181        test_cmp expected actual &&
 182
 183        rm -f b &&
 184        echo remove-conflict >a &&
 185
 186        git add a &&
 187        git rm b &&
 188        o5=$(git hash-object a) &&
 189
 190        test_tick &&
 191        git commit -m "remove removes b and modifies a" &&
 192        c5=$(git rev-parse --verify HEAD) &&
 193        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
 194        (
 195                echo "100644 blob $o5   a"
 196                echo "100644 blob $o0   c"
 197                echo "100644 blob $o0   d/e"
 198                echo "100644 $o5 0      a"
 199                echo "100644 $o0 0      c"
 200                echo "100644 $o0 0      d/e"
 201        ) >expected &&
 202        test_cmp expected actual
 203
 204'
 205
 206test_expect_success 'setup 6' '
 207
 208        rm -rf [abcd] &&
 209        git checkout df-3 &&
 210        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
 211        (
 212                echo "100644 blob $o0   a"
 213                echo "100644 blob $o0   b"
 214                echo "100644 blob $o0   c"
 215                echo "100644 blob $o0   d/e"
 216                echo "100644 $o0 0      a"
 217                echo "100644 $o0 0      b"
 218                echo "100644 $o0 0      c"
 219                echo "100644 $o0 0      d/e"
 220        ) >expected &&
 221        test_cmp expected actual &&
 222
 223        rm -fr d && echo df-3 >d && git add d &&
 224        o6=$(git hash-object d) &&
 225
 226        test_tick &&
 227        git commit -m "df-3 makes d" &&
 228        c6=$(git rev-parse --verify HEAD) &&
 229        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
 230        (
 231                echo "100644 blob $o0   a"
 232                echo "100644 blob $o0   b"
 233                echo "100644 blob $o0   c"
 234                echo "100644 blob $o6   d"
 235                echo "100644 $o0 0      a"
 236                echo "100644 $o0 0      b"
 237                echo "100644 $o0 0      c"
 238                echo "100644 $o6 0      d"
 239        ) >expected &&
 240        test_cmp expected actual
 241'
 242
 243test_expect_success 'setup 7' '
 244
 245        git checkout submod &&
 246        git rm d/e &&
 247        test_tick &&
 248        git commit -m "remove d/e" &&
 249        git update-index --add --cacheinfo 160000 $c1 d &&
 250        test_tick &&
 251        git commit -m "make d/ a submodule"
 252'
 253
 254test_expect_success 'setup 8' '
 255        git checkout rename &&
 256        git mv a e &&
 257        git add e &&
 258        test_tick &&
 259        git commit -m "rename a->e" &&
 260        git checkout rename-ln &&
 261        git mv a e &&
 262        test_ln_s_add e a &&
 263        test_tick &&
 264        git commit -m "rename a->e, symlink a->e" &&
 265        oln=`printf e | git hash-object --stdin`
 266'
 267
 268test_expect_success 'setup 9' '
 269        git checkout copy &&
 270        cp a e &&
 271        git add e &&
 272        test_tick &&
 273        git commit -m "copy a->e"
 274'
 275
 276test_expect_success 'merge-recursive simple' '
 277
 278        rm -fr [abcd] &&
 279        git checkout -f "$c2" &&
 280
 281        test_expect_code 1 git merge-recursive "$c0" -- "$c2" "$c1"
 282'
 283
 284test_expect_success 'merge-recursive result' '
 285
 286        git ls-files -s >actual &&
 287        (
 288                echo "100644 $o0 1      a"
 289                echo "100644 $o2 2      a"
 290                echo "100644 $o1 3      a"
 291                echo "100644 $o0 0      b"
 292                echo "100644 $o0 0      c"
 293                echo "100644 $o1 0      d/e"
 294        ) >expected &&
 295        test_cmp expected actual
 296
 297'
 298
 299test_expect_success 'fail if the index has unresolved entries' '
 300
 301        rm -fr [abcd] &&
 302        git checkout -f "$c1" &&
 303
 304        test_must_fail git merge "$c5" &&
 305        test_must_fail git merge "$c5" 2> out &&
 306        test_i18ngrep "not possible because you have unmerged files" out &&
 307        git add -u &&
 308        test_must_fail git merge "$c5" 2> out &&
 309        test_i18ngrep "You have not concluded your merge" out &&
 310        rm -f .git/MERGE_HEAD &&
 311        test_must_fail git merge "$c5" 2> out &&
 312        test_i18ngrep "Your local changes to the following files would be overwritten by merge:" out
 313'
 314
 315test_expect_success 'merge-recursive remove conflict' '
 316
 317        rm -fr [abcd] &&
 318        git checkout -f "$c1" &&
 319
 320        test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c5"
 321'
 322
 323test_expect_success 'merge-recursive remove conflict' '
 324
 325        git ls-files -s >actual &&
 326        (
 327                echo "100644 $o0 1      a"
 328                echo "100644 $o1 2      a"
 329                echo "100644 $o5 3      a"
 330                echo "100644 $o0 0      c"
 331                echo "100644 $o1 0      d/e"
 332        ) >expected &&
 333        test_cmp expected actual
 334
 335'
 336
 337test_expect_success 'merge-recursive d/f simple' '
 338        rm -fr [abcd] &&
 339        git reset --hard &&
 340        git checkout -f "$c1" &&
 341
 342        git merge-recursive "$c0" -- "$c1" "$c3"
 343'
 344
 345test_expect_success 'merge-recursive result' '
 346
 347        git ls-files -s >actual &&
 348        (
 349                echo "100644 $o1 0      a"
 350                echo "100644 $o3 0      b/c"
 351                echo "100644 $o0 0      c"
 352                echo "100644 $o1 0      d/e"
 353        ) >expected &&
 354        test_cmp expected actual
 355
 356'
 357
 358test_expect_success 'merge-recursive d/f conflict' '
 359
 360        rm -fr [abcd] &&
 361        git reset --hard &&
 362        git checkout -f "$c1" &&
 363
 364        test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c4"
 365'
 366
 367test_expect_success 'merge-recursive d/f conflict result' '
 368
 369        git ls-files -s >actual &&
 370        (
 371                echo "100644 $o0 1      a"
 372                echo "100644 $o1 2      a"
 373                echo "100644 $o4 0      a/c"
 374                echo "100644 $o0 0      b"
 375                echo "100644 $o0 0      c"
 376                echo "100644 $o1 0      d/e"
 377        ) >expected &&
 378        test_cmp expected actual
 379
 380'
 381
 382test_expect_success 'merge-recursive d/f conflict the other way' '
 383
 384        rm -fr [abcd] &&
 385        git reset --hard &&
 386        git checkout -f "$c4" &&
 387
 388        test_expect_code 1 git merge-recursive "$c0" -- "$c4" "$c1"
 389'
 390
 391test_expect_success 'merge-recursive d/f conflict result the other way' '
 392
 393        git ls-files -s >actual &&
 394        (
 395                echo "100644 $o0 1      a"
 396                echo "100644 $o1 3      a"
 397                echo "100644 $o4 0      a/c"
 398                echo "100644 $o0 0      b"
 399                echo "100644 $o0 0      c"
 400                echo "100644 $o1 0      d/e"
 401        ) >expected &&
 402        test_cmp expected actual
 403
 404'
 405
 406test_expect_success 'merge-recursive d/f conflict' '
 407
 408        rm -fr [abcd] &&
 409        git reset --hard &&
 410        git checkout -f "$c1" &&
 411
 412        test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c6"
 413'
 414
 415test_expect_success 'merge-recursive d/f conflict result' '
 416
 417        git ls-files -s >actual &&
 418        (
 419                echo "100644 $o1 0      a"
 420                echo "100644 $o0 0      b"
 421                echo "100644 $o0 0      c"
 422                echo "100644 $o6 3      d"
 423                echo "100644 $o0 1      d/e"
 424                echo "100644 $o1 2      d/e"
 425        ) >expected &&
 426        test_cmp expected actual
 427
 428'
 429
 430test_expect_success 'merge-recursive d/f conflict' '
 431
 432        rm -fr [abcd] &&
 433        git reset --hard &&
 434        git checkout -f "$c6" &&
 435
 436        test_expect_code 1 git merge-recursive "$c0" -- "$c6" "$c1"
 437'
 438
 439test_expect_success 'merge-recursive d/f conflict result' '
 440
 441        git ls-files -s >actual &&
 442        (
 443                echo "100644 $o1 0      a"
 444                echo "100644 $o0 0      b"
 445                echo "100644 $o0 0      c"
 446                echo "100644 $o6 2      d"
 447                echo "100644 $o0 1      d/e"
 448                echo "100644 $o1 3      d/e"
 449        ) >expected &&
 450        test_cmp expected actual
 451
 452'
 453
 454test_expect_success 'reset and 3-way merge' '
 455
 456        git reset --hard "$c2" &&
 457        git read-tree -m "$c0" "$c2" "$c1"
 458
 459'
 460
 461test_expect_success 'reset and bind merge' '
 462
 463        git reset --hard master &&
 464        git read-tree --prefix=M/ master &&
 465        git ls-files -s >actual &&
 466        (
 467                echo "100644 $o1 0      M/a"
 468                echo "100644 $o0 0      M/b"
 469                echo "100644 $o0 0      M/c"
 470                echo "100644 $o1 0      M/d/e"
 471                echo "100644 $o1 0      a"
 472                echo "100644 $o0 0      b"
 473                echo "100644 $o0 0      c"
 474                echo "100644 $o1 0      d/e"
 475        ) >expected &&
 476        test_cmp expected actual &&
 477
 478        git read-tree --prefix=a1/ master &&
 479        git ls-files -s >actual &&
 480        (
 481                echo "100644 $o1 0      M/a"
 482                echo "100644 $o0 0      M/b"
 483                echo "100644 $o0 0      M/c"
 484                echo "100644 $o1 0      M/d/e"
 485                echo "100644 $o1 0      a"
 486                echo "100644 $o1 0      a1/a"
 487                echo "100644 $o0 0      a1/b"
 488                echo "100644 $o0 0      a1/c"
 489                echo "100644 $o1 0      a1/d/e"
 490                echo "100644 $o0 0      b"
 491                echo "100644 $o0 0      c"
 492                echo "100644 $o1 0      d/e"
 493        ) >expected &&
 494        test_cmp expected actual &&
 495
 496        git read-tree --prefix=z/ master &&
 497        git ls-files -s >actual &&
 498        (
 499                echo "100644 $o1 0      M/a"
 500                echo "100644 $o0 0      M/b"
 501                echo "100644 $o0 0      M/c"
 502                echo "100644 $o1 0      M/d/e"
 503                echo "100644 $o1 0      a"
 504                echo "100644 $o1 0      a1/a"
 505                echo "100644 $o0 0      a1/b"
 506                echo "100644 $o0 0      a1/c"
 507                echo "100644 $o1 0      a1/d/e"
 508                echo "100644 $o0 0      b"
 509                echo "100644 $o0 0      c"
 510                echo "100644 $o1 0      d/e"
 511                echo "100644 $o1 0      z/a"
 512                echo "100644 $o0 0      z/b"
 513                echo "100644 $o0 0      z/c"
 514                echo "100644 $o1 0      z/d/e"
 515        ) >expected &&
 516        test_cmp expected actual
 517
 518'
 519
 520test_expect_success 'merge removes empty directories' '
 521
 522        git reset --hard master &&
 523        git checkout -b rm &&
 524        git rm d/e &&
 525        git commit -mremoved-d/e &&
 526        git checkout master &&
 527        git merge -s recursive rm &&
 528        test_must_fail test -d d
 529'
 530
 531test_expect_failure 'merge-recursive simple w/submodule' '
 532
 533        git checkout submod &&
 534        git merge remove
 535'
 536
 537test_expect_failure 'merge-recursive simple w/submodule result' '
 538
 539        git ls-files -s >actual &&
 540        (
 541                echo "100644 $o5 0      a"
 542                echo "100644 $o0 0      c"
 543                echo "160000 $c1 0      d"
 544        ) >expected &&
 545        test_cmp expected actual
 546'
 547
 548test_expect_success 'merge-recursive copy vs. rename' '
 549        git checkout -f copy &&
 550        git merge rename &&
 551        ( git ls-tree -r HEAD && git ls-files -s ) >actual &&
 552        (
 553                echo "100644 blob $o0   b"
 554                echo "100644 blob $o0   c"
 555                echo "100644 blob $o0   d/e"
 556                echo "100644 blob $o0   e"
 557                echo "100644 $o0 0      b"
 558                echo "100644 $o0 0      c"
 559                echo "100644 $o0 0      d/e"
 560                echo "100644 $o0 0      e"
 561        ) >expected &&
 562        test_cmp expected actual
 563'
 564
 565test_expect_failure 'merge-recursive rename vs. rename/symlink' '
 566
 567        git checkout -f rename &&
 568        git merge rename-ln &&
 569        ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
 570        (
 571                echo "120000 blob $oln  a"
 572                echo "100644 blob $o0   b"
 573                echo "100644 blob $o0   c"
 574                echo "100644 blob $o0   d/e"
 575                echo "100644 blob $o0   e"
 576                echo "120000 $oln 0     a"
 577                echo "100644 $o0 0      b"
 578                echo "100644 $o0 0      c"
 579                echo "100644 $o0 0      d/e"
 580                echo "100644 $o0 0      e"
 581        ) >expected &&
 582        test_cmp expected actual
 583'
 584
 585
 586test_done