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t / t7610-mergetool.shon commit t3903: abstract away SHA-1-specific constants (c784815)
   1#!/bin/sh
   2#
   3# Copyright (c) 2008 Charles Bailey
   4#
   5
   6test_description='git mergetool
   7
   8Testing basic merge tool invocation'
   9
  10. ./test-lib.sh
  11
  12# All the mergetool test work by checking out a temporary branch based
  13# off 'branch1' and then merging in master and checking the results of
  14# running mergetool
  15
  16test_expect_success 'setup' '
  17        test_config rerere.enabled true &&
  18        echo master >file1 &&
  19        echo master spaced >"spaced name" &&
  20        echo master file11 >file11 &&
  21        echo master file12 >file12 &&
  22        echo master file13 >file13 &&
  23        echo master file14 >file14 &&
  24        mkdir subdir &&
  25        echo master sub >subdir/file3 &&
  26        test_create_repo submod &&
  27        (
  28                cd submod &&
  29                : >foo &&
  30                git add foo &&
  31                git commit -m "Add foo"
  32        ) &&
  33        git submodule add git://example.com/submod submod &&
  34        git add file1 "spaced name" file1[1-4] subdir/file3 .gitmodules submod &&
  35        git commit -m "add initial versions" &&
  36
  37        git checkout -b branch1 master &&
  38        git submodule update -N &&
  39        echo branch1 change >file1 &&
  40        echo branch1 newfile >file2 &&
  41        echo branch1 spaced >"spaced name" &&
  42        echo branch1 both added >both &&
  43        echo branch1 change file11 >file11 &&
  44        echo branch1 change file13 >file13 &&
  45        echo branch1 sub >subdir/file3 &&
  46        (
  47                cd submod &&
  48                echo branch1 submodule >bar &&
  49                git add bar &&
  50                git commit -m "Add bar on branch1" &&
  51                git checkout -b submod-branch1
  52        ) &&
  53        git add file1 "spaced name" file11 file13 file2 subdir/file3 submod &&
  54        git add both &&
  55        git rm file12 &&
  56        git commit -m "branch1 changes" &&
  57
  58        git checkout -b delete-base branch1 &&
  59        mkdir -p a/a &&
  60        test_write_lines one two 3 4 >a/a/file.txt &&
  61        git add a/a/file.txt &&
  62        git commit -m"base file" &&
  63        git checkout -b move-to-b delete-base &&
  64        mkdir -p b/b &&
  65        git mv a/a/file.txt b/b/file.txt &&
  66        test_write_lines one two 4 >b/b/file.txt &&
  67        git commit -a -m"move to b" &&
  68        git checkout -b move-to-c delete-base &&
  69        mkdir -p c/c &&
  70        git mv a/a/file.txt c/c/file.txt &&
  71        test_write_lines one two 3 >c/c/file.txt &&
  72        git commit -a -m"move to c" &&
  73
  74        git checkout -b stash1 master &&
  75        echo stash1 change file11 >file11 &&
  76        git add file11 &&
  77        git commit -m "stash1 changes" &&
  78
  79        git checkout -b stash2 master &&
  80        echo stash2 change file11 >file11 &&
  81        git add file11 &&
  82        git commit -m "stash2 changes" &&
  83
  84        git checkout master &&
  85        git submodule update -N &&
  86        echo master updated >file1 &&
  87        echo master new >file2 &&
  88        echo master updated spaced >"spaced name" &&
  89        echo master both added >both &&
  90        echo master updated file12 >file12 &&
  91        echo master updated file14 >file14 &&
  92        echo master new sub >subdir/file3 &&
  93        (
  94                cd submod &&
  95                echo master submodule >bar &&
  96                git add bar &&
  97                git commit -m "Add bar on master" &&
  98                git checkout -b submod-master
  99        ) &&
 100        git add file1 "spaced name" file12 file14 file2 subdir/file3 submod &&
 101        git add both &&
 102        git rm file11 &&
 103        git commit -m "master updates" &&
 104
 105        git clean -fdx &&
 106        git checkout -b order-file-start master &&
 107        echo start >a &&
 108        echo start >b &&
 109        git add a b &&
 110        git commit -m start &&
 111        git checkout -b order-file-side1 order-file-start &&
 112        echo side1 >a &&
 113        echo side1 >b &&
 114        git add a b &&
 115        git commit -m side1 &&
 116        git checkout -b order-file-side2 order-file-start &&
 117        echo side2 >a &&
 118        echo side2 >b &&
 119        git add a b &&
 120        git commit -m side2 &&
 121
 122        git config merge.tool mytool &&
 123        git config mergetool.mytool.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" &&
 124        git config mergetool.mytool.trustExitCode true &&
 125        git config mergetool.mybase.cmd "cat \"\$BASE\" >\"\$MERGED\"" &&
 126        git config mergetool.mybase.trustExitCode true
 127'
 128
 129test_expect_success 'custom mergetool' '
 130        test_when_finished "git reset --hard" &&
 131        git checkout -b test$test_count branch1 &&
 132        git submodule update -N &&
 133        test_must_fail git merge master &&
 134        yes "" | git mergetool both &&
 135        yes "" | git mergetool file1 file1 &&
 136        yes "" | git mergetool file2 "spaced name" &&
 137        yes "" | git mergetool subdir/file3 &&
 138        yes "d" | git mergetool file11 &&
 139        yes "d" | git mergetool file12 &&
 140        yes "l" | git mergetool submod &&
 141        echo "master updated" >expect &&
 142        test_cmp expect file1 &&
 143        echo "master new" >expect &&
 144        test_cmp expect file2 &&
 145        echo "master new sub" >expect &&
 146        test_cmp expect subdir/file3 &&
 147        echo "branch1 submodule" >expect &&
 148        test_cmp expect submod/bar &&
 149        git commit -m "branch1 resolved with mergetool"
 150'
 151
 152test_expect_success 'gui mergetool' '
 153        test_config merge.guitool myguitool &&
 154        test_config mergetool.myguitool.cmd "(printf \"gui \" && cat \"\$REMOTE\") >\"\$MERGED\"" &&
 155        test_config mergetool.myguitool.trustExitCode true &&
 156        test_when_finished "git reset --hard" &&
 157        git checkout -b test$test_count branch1 &&
 158        git submodule update -N &&
 159        test_must_fail git merge master &&
 160        yes "" | git mergetool --gui both &&
 161        yes "" | git mergetool -g file1 file1 &&
 162        yes "" | git mergetool --gui file2 "spaced name" &&
 163        yes "" | git mergetool --gui subdir/file3 &&
 164        yes "d" | git mergetool --gui file11 &&
 165        yes "d" | git mergetool --gui file12 &&
 166        yes "l" | git mergetool --gui submod &&
 167        echo "gui master updated" >expect &&
 168        test_cmp expect file1 &&
 169        echo "gui master new" >expect &&
 170        test_cmp expect file2 &&
 171        echo "gui master new sub" >expect &&
 172        test_cmp expect subdir/file3 &&
 173        echo "branch1 submodule" >expect &&
 174        test_cmp expect submod/bar &&
 175        git commit -m "branch1 resolved with mergetool"
 176'
 177
 178test_expect_success 'gui mergetool without merge.guitool set falls back to merge.tool' '
 179        test_when_finished "git reset --hard" &&
 180        git checkout -b test$test_count branch1 &&
 181        git submodule update -N &&
 182        test_must_fail git merge master &&
 183        yes "" | git mergetool --gui both &&
 184        yes "" | git mergetool -g file1 file1 &&
 185        yes "" | git mergetool --gui file2 "spaced name" &&
 186        yes "" | git mergetool --gui subdir/file3 &&
 187        yes "d" | git mergetool --gui file11 &&
 188        yes "d" | git mergetool --gui file12 &&
 189        yes "l" | git mergetool --gui submod &&
 190        echo "master updated" >expect &&
 191        test_cmp expect file1 &&
 192        echo "master new" >expect &&
 193        test_cmp expect file2 &&
 194        echo "master new sub" >expect &&
 195        test_cmp expect subdir/file3 &&
 196        echo "branch1 submodule" >expect &&
 197        test_cmp expect submod/bar &&
 198        git commit -m "branch1 resolved with mergetool"
 199'
 200
 201test_expect_success 'mergetool crlf' '
 202        test_when_finished "git reset --hard" &&
 203        # This test_config line must go after the above reset line so that
 204        # core.autocrlf is unconfigured before reset runs.  (The
 205        # test_config command uses test_when_finished internally and
 206        # test_when_finished is LIFO.)
 207        test_config core.autocrlf true &&
 208        git checkout -b test$test_count branch1 &&
 209        test_must_fail git merge master &&
 210        yes "" | git mergetool file1 &&
 211        yes "" | git mergetool file2 &&
 212        yes "" | git mergetool "spaced name" &&
 213        yes "" | git mergetool both &&
 214        yes "" | git mergetool subdir/file3 &&
 215        yes "d" | git mergetool file11 &&
 216        yes "d" | git mergetool file12 &&
 217        yes "r" | git mergetool submod &&
 218        test "$(printf x | cat file1 -)" = "$(printf "master updated\r\nx")" &&
 219        test "$(printf x | cat file2 -)" = "$(printf "master new\r\nx")" &&
 220        test "$(printf x | cat subdir/file3 -)" = "$(printf "master new sub\r\nx")" &&
 221        git submodule update -N &&
 222        echo "master submodule" >expect &&
 223        test_cmp expect submod/bar &&
 224        git commit -m "branch1 resolved with mergetool - autocrlf"
 225'
 226
 227test_expect_success 'mergetool in subdir' '
 228        test_when_finished "git reset --hard" &&
 229        git checkout -b test$test_count branch1 &&
 230        git submodule update -N &&
 231        (
 232                cd subdir &&
 233                test_must_fail git merge master &&
 234                yes "" | git mergetool file3 &&
 235                echo "master new sub" >expect &&
 236                test_cmp expect file3
 237        )
 238'
 239
 240test_expect_success 'mergetool on file in parent dir' '
 241        test_when_finished "git reset --hard" &&
 242        git checkout -b test$test_count branch1 &&
 243        git submodule update -N &&
 244        (
 245                cd subdir &&
 246                test_must_fail git merge master &&
 247                yes "" | git mergetool file3 &&
 248                yes "" | git mergetool ../file1 &&
 249                yes "" | git mergetool ../file2 ../spaced\ name &&
 250                yes "" | git mergetool ../both &&
 251                yes "d" | git mergetool ../file11 &&
 252                yes "d" | git mergetool ../file12 &&
 253                yes "l" | git mergetool ../submod &&
 254                echo "master updated" >expect &&
 255                test_cmp expect ../file1 &&
 256                echo "master new" >expect &&
 257                test_cmp expect ../file2 &&
 258                echo "branch1 submodule" >expect &&
 259                test_cmp expect ../submod/bar &&
 260                git commit -m "branch1 resolved with mergetool - subdir"
 261        )
 262'
 263
 264test_expect_success 'mergetool skips autoresolved' '
 265        test_when_finished "git reset --hard" &&
 266        git checkout -b test$test_count branch1 &&
 267        git submodule update -N &&
 268        test_must_fail git merge master &&
 269        test -n "$(git ls-files -u)" &&
 270        yes "d" | git mergetool file11 &&
 271        yes "d" | git mergetool file12 &&
 272        yes "l" | git mergetool submod &&
 273        output="$(git mergetool --no-prompt)" &&
 274        test "$output" = "No files need merging"
 275'
 276
 277test_expect_success 'mergetool merges all from subdir (rerere disabled)' '
 278        test_when_finished "git reset --hard" &&
 279        git checkout -b test$test_count branch1 &&
 280        test_config rerere.enabled false &&
 281        (
 282                cd subdir &&
 283                test_must_fail git merge master &&
 284                yes "r" | git mergetool ../submod &&
 285                yes "d" "d" | git mergetool --no-prompt &&
 286                echo "master updated" >expect &&
 287                test_cmp expect ../file1 &&
 288                echo "master new" >expect &&
 289                test_cmp expect ../file2 &&
 290                echo "master new sub" >expect &&
 291                test_cmp expect file3 &&
 292                ( cd .. && git submodule update -N ) &&
 293                echo "master submodule" >expect &&
 294                test_cmp expect ../submod/bar &&
 295                git commit -m "branch2 resolved by mergetool from subdir"
 296        )
 297'
 298
 299test_expect_success 'mergetool merges all from subdir (rerere enabled)' '
 300        test_when_finished "git reset --hard" &&
 301        git checkout -b test$test_count branch1 &&
 302        test_config rerere.enabled true &&
 303        rm -rf .git/rr-cache &&
 304        (
 305                cd subdir &&
 306                test_must_fail git merge master &&
 307                yes "r" | git mergetool ../submod &&
 308                yes "d" "d" | git mergetool --no-prompt &&
 309                echo "master updated" >expect &&
 310                test_cmp expect ../file1 &&
 311                echo "master new" >expect &&
 312                test_cmp expect ../file2 &&
 313                echo "master new sub" >expect &&
 314                test_cmp expect file3 &&
 315                ( cd .. && git submodule update -N ) &&
 316                echo "master submodule" >expect &&
 317                test_cmp expect ../submod/bar &&
 318                git commit -m "branch2 resolved by mergetool from subdir"
 319        )
 320'
 321
 322test_expect_success 'mergetool skips resolved paths when rerere is active' '
 323        test_when_finished "git reset --hard" &&
 324        test_config rerere.enabled true &&
 325        rm -rf .git/rr-cache &&
 326        git checkout -b test$test_count branch1 &&
 327        git submodule update -N &&
 328        test_must_fail git merge master &&
 329        yes "l" | git mergetool --no-prompt submod &&
 330        yes "d" "d" | git mergetool --no-prompt &&
 331        git submodule update -N &&
 332        output="$(yes "n" | git mergetool --no-prompt)" &&
 333        test "$output" = "No files need merging"
 334'
 335
 336test_expect_success 'conflicted stash sets up rerere'  '
 337        test_when_finished "git reset --hard" &&
 338        test_config rerere.enabled true &&
 339        git checkout stash1 &&
 340        echo "Conflicting stash content" >file11 &&
 341        git stash &&
 342
 343        git checkout --detach stash2 &&
 344        test_must_fail git stash apply &&
 345
 346        test -n "$(git ls-files -u)" &&
 347        conflicts="$(git rerere remaining)" &&
 348        test "$conflicts" = "file11" &&
 349        output="$(git mergetool --no-prompt)" &&
 350        test "$output" != "No files need merging" &&
 351
 352        git commit -am "save the stash resolution" &&
 353
 354        git reset --hard stash2 &&
 355        test_must_fail git stash apply &&
 356
 357        test -n "$(git ls-files -u)" &&
 358        conflicts="$(git rerere remaining)" &&
 359        test -z "$conflicts" &&
 360        output="$(git mergetool --no-prompt)" &&
 361        test "$output" = "No files need merging"
 362'
 363
 364test_expect_success 'mergetool takes partial path' '
 365        test_when_finished "git reset --hard" &&
 366        test_config rerere.enabled false &&
 367        git checkout -b test$test_count branch1 &&
 368        git submodule update -N &&
 369        test_must_fail git merge master &&
 370
 371        yes "" | git mergetool subdir &&
 372
 373        echo "master new sub" >expect &&
 374        test_cmp expect subdir/file3
 375'
 376
 377test_expect_success 'mergetool delete/delete conflict' '
 378        test_when_finished "git reset --hard" &&
 379        git checkout -b test$test_count move-to-c &&
 380        test_must_fail git merge move-to-b &&
 381        echo d | git mergetool a/a/file.txt &&
 382        ! test -f a/a/file.txt &&
 383        git reset --hard &&
 384        test_must_fail git merge move-to-b &&
 385        echo m | git mergetool a/a/file.txt &&
 386        test -f b/b/file.txt &&
 387        git reset --hard &&
 388        test_must_fail git merge move-to-b &&
 389        ! echo a | git mergetool a/a/file.txt &&
 390        ! test -f a/a/file.txt
 391'
 392
 393test_expect_success 'mergetool produces no errors when keepBackup is used' '
 394        test_when_finished "git reset --hard" &&
 395        git checkout -b test$test_count move-to-c &&
 396        test_config mergetool.keepBackup true &&
 397        test_must_fail git merge move-to-b &&
 398        echo d | git mergetool a/a/file.txt 2>actual &&
 399        test_must_be_empty actual &&
 400        ! test -d a
 401'
 402
 403test_expect_success 'mergetool honors tempfile config for deleted files' '
 404        test_when_finished "git reset --hard" &&
 405        git checkout -b test$test_count move-to-c &&
 406        test_config mergetool.keepTemporaries false &&
 407        test_must_fail git merge move-to-b &&
 408        echo d | git mergetool a/a/file.txt &&
 409        ! test -d a
 410'
 411
 412test_expect_success 'mergetool keeps tempfiles when aborting delete/delete' '
 413        test_when_finished "git reset --hard" &&
 414        test_when_finished "git clean -fdx" &&
 415        git checkout -b test$test_count move-to-c &&
 416        test_config mergetool.keepTemporaries true &&
 417        test_must_fail git merge move-to-b &&
 418        ! test_write_lines a n | git mergetool a/a/file.txt &&
 419        test -d a/a &&
 420        cat >expect <<-\EOF &&
 421        file_BASE_.txt
 422        file_LOCAL_.txt
 423        file_REMOTE_.txt
 424        EOF
 425        ls -1 a/a | sed -e "s/[0-9]*//g" >actual &&
 426        test_cmp expect actual
 427'
 428
 429test_expect_success 'deleted vs modified submodule' '
 430        test_when_finished "git reset --hard" &&
 431        git checkout -b test$test_count branch1 &&
 432        git submodule update -N &&
 433        mv submod submod-movedaside &&
 434        git rm --cached submod &&
 435        git commit -m "Submodule deleted from branch" &&
 436        git checkout -b test$test_count.a test$test_count &&
 437        test_must_fail git merge master &&
 438        test -n "$(git ls-files -u)" &&
 439        yes "" | git mergetool file1 file2 spaced\ name subdir/file3 &&
 440        yes "" | git mergetool both &&
 441        yes "d" | git mergetool file11 file12 &&
 442        yes "r" | git mergetool submod &&
 443        rmdir submod && mv submod-movedaside submod &&
 444        echo "branch1 submodule" >expect &&
 445        test_cmp expect submod/bar &&
 446        git submodule update -N &&
 447        echo "master submodule" >expect &&
 448        test_cmp expect submod/bar &&
 449        output="$(git mergetool --no-prompt)" &&
 450        test "$output" = "No files need merging" &&
 451        git commit -m "Merge resolved by keeping module" &&
 452
 453        mv submod submod-movedaside &&
 454        git checkout -b test$test_count.b test$test_count &&
 455        git submodule update -N &&
 456        test_must_fail git merge master &&
 457        test -n "$(git ls-files -u)" &&
 458        yes "" | git mergetool file1 file2 spaced\ name subdir/file3 &&
 459        yes "" | git mergetool both &&
 460        yes "d" | git mergetool file11 file12 &&
 461        yes "l" | git mergetool submod &&
 462        test ! -e submod &&
 463        output="$(git mergetool --no-prompt)" &&
 464        test "$output" = "No files need merging" &&
 465        git commit -m "Merge resolved by deleting module" &&
 466
 467        mv submod-movedaside submod &&
 468        git checkout -b test$test_count.c master &&
 469        git submodule update -N &&
 470        test_must_fail git merge test$test_count &&
 471        test -n "$(git ls-files -u)" &&
 472        yes "" | git mergetool file1 file2 spaced\ name subdir/file3 &&
 473        yes "" | git mergetool both &&
 474        yes "d" | git mergetool file11 file12 &&
 475        yes "r" | git mergetool submod &&
 476        test ! -e submod &&
 477        test -d submod.orig &&
 478        git submodule update -N &&
 479        output="$(git mergetool --no-prompt)" &&
 480        test "$output" = "No files need merging" &&
 481        git commit -m "Merge resolved by deleting module" &&
 482        mv submod.orig submod &&
 483
 484        git checkout -b test$test_count.d master &&
 485        git submodule update -N &&
 486        test_must_fail git merge test$test_count &&
 487        test -n "$(git ls-files -u)" &&
 488        yes "" | git mergetool file1 file2 spaced\ name subdir/file3 &&
 489        yes "" | git mergetool both &&
 490        yes "d" | git mergetool file11 file12 &&
 491        yes "l" | git mergetool submod &&
 492        echo "master submodule" >expect &&
 493        test_cmp expect submod/bar &&
 494        git submodule update -N &&
 495        echo "master submodule" >expect &&
 496        test_cmp expect submod/bar &&
 497        output="$(git mergetool --no-prompt)" &&
 498        test "$output" = "No files need merging" &&
 499        git commit -m "Merge resolved by keeping module"
 500'
 501
 502test_expect_success 'file vs modified submodule' '
 503        test_when_finished "git reset --hard" &&
 504        git checkout -b test$test_count branch1 &&
 505        git submodule update -N &&
 506        mv submod submod-movedaside &&
 507        git rm --cached submod &&
 508        echo not a submodule >submod &&
 509        git add submod &&
 510        git commit -m "Submodule path becomes file" &&
 511        git checkout -b test$test_count.a branch1 &&
 512        test_must_fail git merge master &&
 513        test -n "$(git ls-files -u)" &&
 514        yes "" | git mergetool file1 file2 spaced\ name subdir/file3 &&
 515        yes "" | git mergetool both &&
 516        yes "d" | git mergetool file11 file12 &&
 517        yes "r" | git mergetool submod &&
 518        rmdir submod && mv submod-movedaside submod &&
 519        echo "branch1 submodule" >expect &&
 520        test_cmp expect submod/bar &&
 521        git submodule update -N &&
 522        echo "master submodule" >expect &&
 523        test_cmp expect submod/bar &&
 524        output="$(git mergetool --no-prompt)" &&
 525        test "$output" = "No files need merging" &&
 526        git commit -m "Merge resolved by keeping module" &&
 527
 528        mv submod submod-movedaside &&
 529        git checkout -b test$test_count.b test$test_count &&
 530        test_must_fail git merge master &&
 531        test -n "$(git ls-files -u)" &&
 532        yes "" | git mergetool file1 file2 spaced\ name subdir/file3 &&
 533        yes "" | git mergetool both &&
 534        yes "d" | git mergetool file11 file12 &&
 535        yes "l" | git mergetool submod &&
 536        git submodule update -N &&
 537        echo "not a submodule" >expect &&
 538        test_cmp expect submod &&
 539        output="$(git mergetool --no-prompt)" &&
 540        test "$output" = "No files need merging" &&
 541        git commit -m "Merge resolved by keeping file" &&
 542
 543        git checkout -b test$test_count.c master &&
 544        rmdir submod && mv submod-movedaside submod &&
 545        test ! -e submod.orig &&
 546        git submodule update -N &&
 547        test_must_fail git merge test$test_count &&
 548        test -n "$(git ls-files -u)" &&
 549        yes "" | git mergetool file1 file2 spaced\ name subdir/file3 &&
 550        yes "" | git mergetool both &&
 551        yes "d" | git mergetool file11 file12 &&
 552        yes "r" | git mergetool submod &&
 553        test -d submod.orig &&
 554        git submodule update -N &&
 555        echo "not a submodule" >expect &&
 556        test_cmp expect submod &&
 557        output="$(git mergetool --no-prompt)" &&
 558        test "$output" = "No files need merging" &&
 559        git commit -m "Merge resolved by keeping file" &&
 560
 561        git checkout -b test$test_count.d master &&
 562        rmdir submod && mv submod.orig submod &&
 563        git submodule update -N &&
 564        test_must_fail git merge test$test_count &&
 565        test -n "$(git ls-files -u)" &&
 566        yes "" | git mergetool file1 file2 spaced\ name subdir/file3 &&
 567        yes "" | git mergetool both &&
 568        yes "d" | git mergetool file11 file12 &&
 569        yes "l" | git mergetool submod &&
 570        echo "master submodule" >expect &&
 571        test_cmp expect submod/bar &&
 572        git submodule update -N &&
 573        echo "master submodule" >expect &&
 574        test_cmp expect submod/bar &&
 575        output="$(git mergetool --no-prompt)" &&
 576        test "$output" = "No files need merging" &&
 577        git commit -m "Merge resolved by keeping module"
 578'
 579
 580test_expect_success 'submodule in subdirectory' '
 581        test_when_finished "git reset --hard" &&
 582        git checkout -b test$test_count branch1 &&
 583        git submodule update -N &&
 584        (
 585                cd subdir &&
 586                test_create_repo subdir_module &&
 587                (
 588                cd subdir_module &&
 589                : >file15 &&
 590                git add file15 &&
 591                git commit -m "add initial versions"
 592                )
 593        ) &&
 594        test_when_finished "rm -rf subdir/subdir_module" &&
 595        git submodule add git://example.com/subsubmodule subdir/subdir_module &&
 596        git add subdir/subdir_module &&
 597        git commit -m "add submodule in subdirectory" &&
 598
 599        git checkout -b test$test_count.a test$test_count &&
 600        git submodule update -N &&
 601        (
 602        cd subdir/subdir_module &&
 603                git checkout -b super10.a &&
 604                echo test$test_count.a >file15 &&
 605                git add file15 &&
 606                git commit -m "on branch 10.a"
 607        ) &&
 608        git add subdir/subdir_module &&
 609        git commit -m "change submodule in subdirectory on test$test_count.a" &&
 610
 611        git checkout -b test$test_count.b test$test_count &&
 612        git submodule update -N &&
 613        (
 614                cd subdir/subdir_module &&
 615                git checkout -b super10.b &&
 616                echo test$test_count.b >file15 &&
 617                git add file15 &&
 618                git commit -m "on branch 10.b"
 619        ) &&
 620        git add subdir/subdir_module &&
 621        git commit -m "change submodule in subdirectory on test$test_count.b" &&
 622
 623        test_must_fail git merge test$test_count.a &&
 624        (
 625                cd subdir &&
 626                yes "l" | git mergetool subdir_module
 627        ) &&
 628        echo "test$test_count.b" >expect &&
 629        test_cmp expect subdir/subdir_module/file15 &&
 630        git submodule update -N &&
 631        echo "test$test_count.b" >expect &&
 632        test_cmp expect subdir/subdir_module/file15 &&
 633        git reset --hard &&
 634        git submodule update -N &&
 635
 636        test_must_fail git merge test$test_count.a &&
 637        yes "r" | git mergetool subdir/subdir_module &&
 638        echo "test$test_count.b" >expect &&
 639        test_cmp expect subdir/subdir_module/file15 &&
 640        git submodule update -N &&
 641        echo "test$test_count.a" >expect &&
 642        test_cmp expect subdir/subdir_module/file15 &&
 643        git commit -m "branch1 resolved with mergetool"
 644'
 645
 646test_expect_success 'directory vs modified submodule' '
 647        test_when_finished "git reset --hard" &&
 648        git checkout -b test$test_count branch1 &&
 649        mv submod submod-movedaside &&
 650        git rm --cached submod &&
 651        mkdir submod &&
 652        echo not a submodule >submod/file16 &&
 653        git add submod/file16 &&
 654        git commit -m "Submodule path becomes directory" &&
 655
 656        test_must_fail git merge master &&
 657        test -n "$(git ls-files -u)" &&
 658        yes "l" | git mergetool submod &&
 659        echo "not a submodule" >expect &&
 660        test_cmp expect submod/file16 &&
 661        rm -rf submod.orig &&
 662
 663        git reset --hard &&
 664        test_must_fail git merge master &&
 665        test -n "$(git ls-files -u)" &&
 666        test ! -e submod.orig &&
 667        yes "r" | git mergetool submod &&
 668        test -d submod.orig &&
 669        echo "not a submodule" >expect &&
 670        test_cmp expect submod.orig/file16 &&
 671        rm -r submod.orig &&
 672        mv submod-movedaside/.git submod &&
 673        ( cd submod && git clean -f && git reset --hard ) &&
 674        git submodule update -N &&
 675        echo "master submodule" >expect &&
 676        test_cmp expect submod/bar &&
 677        git reset --hard &&
 678        rm -rf submod-movedaside &&
 679
 680        git checkout -b test$test_count.c master &&
 681        git submodule update -N &&
 682        test_must_fail git merge test$test_count &&
 683        test -n "$(git ls-files -u)" &&
 684        yes "l" | git mergetool submod &&
 685        git submodule update -N &&
 686        echo "master submodule" >expect &&
 687        test_cmp expect submod/bar &&
 688
 689        git reset --hard &&
 690        git submodule update -N &&
 691        test_must_fail git merge test$test_count &&
 692        test -n "$(git ls-files -u)" &&
 693        test ! -e submod.orig &&
 694        yes "r" | git mergetool submod &&
 695        echo "not a submodule" >expect &&
 696        test_cmp expect submod/file16 &&
 697
 698        git reset --hard master &&
 699        ( cd submod && git clean -f && git reset --hard ) &&
 700        git submodule update -N
 701'
 702
 703test_expect_success 'file with no base' '
 704        test_when_finished "git reset --hard" &&
 705        git checkout -b test$test_count branch1 &&
 706        test_must_fail git merge master &&
 707        git mergetool --no-prompt --tool mybase -- both &&
 708        test_must_be_empty both
 709'
 710
 711test_expect_success 'custom commands override built-ins' '
 712        test_when_finished "git reset --hard" &&
 713        git checkout -b test$test_count branch1 &&
 714        test_config mergetool.defaults.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" &&
 715        test_config mergetool.defaults.trustExitCode true &&
 716        test_must_fail git merge master &&
 717        git mergetool --no-prompt --tool defaults -- both &&
 718        echo master both added >expected &&
 719        test_cmp expected both
 720'
 721
 722test_expect_success 'filenames seen by tools start with ./' '
 723        test_when_finished "git reset --hard" &&
 724        git checkout -b test$test_count branch1 &&
 725        test_config mergetool.writeToTemp false &&
 726        test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 727        test_config mergetool.myecho.trustExitCode true &&
 728        test_must_fail git merge master &&
 729        git mergetool --no-prompt --tool myecho -- both >actual &&
 730        grep ^\./both_LOCAL_ actual
 731'
 732
 733test_lazy_prereq MKTEMP '
 734        tempdir=$(mktemp -d -t foo.XXXXXX) &&
 735        test -d "$tempdir" &&
 736        rmdir "$tempdir"
 737'
 738
 739test_expect_success MKTEMP 'temporary filenames are used with mergetool.writeToTemp' '
 740        test_when_finished "git reset --hard" &&
 741        git checkout -b test$test_count branch1 &&
 742        test_config mergetool.writeToTemp true &&
 743        test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 744        test_config mergetool.myecho.trustExitCode true &&
 745        test_must_fail git merge master &&
 746        git mergetool --no-prompt --tool myecho -- both >actual &&
 747        ! grep ^\./both_LOCAL_ actual &&
 748        grep /both_LOCAL_ actual
 749'
 750
 751test_expect_success 'diff.orderFile configuration is honored' '
 752        test_when_finished "git reset --hard" &&
 753        git checkout -b test$test_count order-file-side2 &&
 754        test_config diff.orderFile order-file &&
 755        test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 756        test_config mergetool.myecho.trustExitCode true &&
 757        echo b >order-file &&
 758        echo a >>order-file &&
 759        test_must_fail git merge order-file-side1 &&
 760        cat >expect <<-\EOF &&
 761                Merging:
 762                b
 763                a
 764        EOF
 765
 766        # make sure "order-file" that is ambiguous between
 767        # rev and path is understood correctly.
 768        git branch order-file HEAD &&
 769
 770        git mergetool --no-prompt --tool myecho >output &&
 771        git grep --no-index -h -A2 Merging: output >actual &&
 772        test_cmp expect actual
 773'
 774test_expect_success 'mergetool -Oorder-file is honored' '
 775        test_when_finished "git reset --hard" &&
 776        git checkout -b test$test_count order-file-side2 &&
 777        test_config diff.orderFile order-file &&
 778        test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 779        test_config mergetool.myecho.trustExitCode true &&
 780        echo b >order-file &&
 781        echo a >>order-file &&
 782        test_must_fail git merge order-file-side1 &&
 783        cat >expect <<-\EOF &&
 784                Merging:
 785                a
 786                b
 787        EOF
 788        git mergetool -O/dev/null --no-prompt --tool myecho >output &&
 789        git grep --no-index -h -A2 Merging: output >actual &&
 790        test_cmp expect actual &&
 791        git reset --hard &&
 792
 793        git config --unset diff.orderFile &&
 794        test_must_fail git merge order-file-side1 &&
 795        cat >expect <<-\EOF &&
 796                Merging:
 797                b
 798                a
 799        EOF
 800        git mergetool -Oorder-file --no-prompt --tool myecho >output &&
 801        git grep --no-index -h -A2 Merging: output >actual &&
 802        test_cmp expect actual
 803'
 804
 805test_done