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