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t / t7610-mergetool.shon commit Merge branch 'sb/checkout-explit-detach-no-advice' (e6dab9f)
   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 stash1 master &&
  59        echo stash1 change file11 >file11 &&
  60        git add file11 &&
  61        git commit -m "stash1 changes" &&
  62
  63        git checkout -b stash2 master &&
  64        echo stash2 change file11 >file11 &&
  65        git add file11 &&
  66        git commit -m "stash2 changes" &&
  67
  68        git checkout master &&
  69        git submodule update -N &&
  70        echo master updated >file1 &&
  71        echo master new >file2 &&
  72        echo master updated spaced >"spaced name" &&
  73        echo master both added >both &&
  74        echo master updated file12 >file12 &&
  75        echo master updated file14 >file14 &&
  76        echo master new sub >subdir/file3 &&
  77        (
  78                cd submod &&
  79                echo master submodule >bar &&
  80                git add bar &&
  81                git commit -m "Add bar on master" &&
  82                git checkout -b submod-master
  83        ) &&
  84        git add file1 "spaced name" file12 file14 file2 subdir/file3 submod &&
  85        git add both &&
  86        git rm file11 &&
  87        git commit -m "master updates" &&
  88
  89        git config merge.tool mytool &&
  90        git config mergetool.mytool.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" &&
  91        git config mergetool.mytool.trustExitCode true &&
  92        git config mergetool.mybase.cmd "cat \"\$BASE\" >\"\$MERGED\"" &&
  93        git config mergetool.mybase.trustExitCode true
  94'
  95
  96test_expect_success 'custom mergetool' '
  97        git checkout -b test1 branch1 &&
  98        git submodule update -N &&
  99        test_must_fail git merge master >/dev/null 2>&1 &&
 100        ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 101        ( yes "" | git mergetool file1 file1 ) &&
 102        ( yes "" | git mergetool file2 "spaced name" >/dev/null 2>&1 ) &&
 103        ( yes "" | git mergetool subdir/file3 >/dev/null 2>&1 ) &&
 104        ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
 105        ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
 106        ( yes "l" | git mergetool submod >/dev/null 2>&1 ) &&
 107        test "$(cat file1)" = "master updated" &&
 108        test "$(cat file2)" = "master new" &&
 109        test "$(cat subdir/file3)" = "master new sub" &&
 110        test "$(cat submod/bar)" = "branch1 submodule" &&
 111        git commit -m "branch1 resolved with mergetool"
 112'
 113
 114test_expect_success 'mergetool crlf' '
 115        test_config core.autocrlf true &&
 116        git checkout -b test2 branch1 &&
 117        test_must_fail git merge master >/dev/null 2>&1 &&
 118        ( yes "" | git mergetool file1 >/dev/null 2>&1 ) &&
 119        ( yes "" | git mergetool file2 >/dev/null 2>&1 ) &&
 120        ( yes "" | git mergetool "spaced name" >/dev/null 2>&1 ) &&
 121        ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 122        ( yes "" | git mergetool subdir/file3 >/dev/null 2>&1 ) &&
 123        ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
 124        ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
 125        ( yes "r" | git mergetool submod >/dev/null 2>&1 ) &&
 126        test "$(printf x | cat file1 -)" = "$(printf "master updated\r\nx")" &&
 127        test "$(printf x | cat file2 -)" = "$(printf "master new\r\nx")" &&
 128        test "$(printf x | cat subdir/file3 -)" = "$(printf "master new sub\r\nx")" &&
 129        git submodule update -N &&
 130        test "$(cat submod/bar)" = "master submodule" &&
 131        git commit -m "branch1 resolved with mergetool - autocrlf" &&
 132        test_config core.autocrlf false &&
 133        git reset --hard
 134'
 135
 136test_expect_success 'mergetool in subdir' '
 137        git checkout -b test3 branch1 &&
 138        git submodule update -N &&
 139        (
 140                cd subdir &&
 141                test_must_fail git merge master >/dev/null 2>&1 &&
 142                ( yes "" | git mergetool file3 >/dev/null 2>&1 ) &&
 143                test "$(cat file3)" = "master new sub"
 144        )
 145'
 146
 147test_expect_success 'mergetool on file in parent dir' '
 148        (
 149                cd subdir &&
 150                ( yes "" | git mergetool ../file1 >/dev/null 2>&1 ) &&
 151                ( yes "" | git mergetool ../file2 ../spaced\ name >/dev/null 2>&1 ) &&
 152                ( yes "" | git mergetool ../both >/dev/null 2>&1 ) &&
 153                ( yes "d" | git mergetool ../file11 >/dev/null 2>&1 ) &&
 154                ( yes "d" | git mergetool ../file12 >/dev/null 2>&1 ) &&
 155                ( yes "l" | git mergetool ../submod >/dev/null 2>&1 ) &&
 156                test "$(cat ../file1)" = "master updated" &&
 157                test "$(cat ../file2)" = "master new" &&
 158                test "$(cat ../submod/bar)" = "branch1 submodule" &&
 159                git commit -m "branch1 resolved with mergetool - subdir"
 160        )
 161'
 162
 163test_expect_success 'mergetool skips autoresolved' '
 164        git checkout -b test4 branch1 &&
 165        git submodule update -N &&
 166        test_must_fail git merge master &&
 167        test -n "$(git ls-files -u)" &&
 168        ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
 169        ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
 170        ( yes "l" | git mergetool submod >/dev/null 2>&1 ) &&
 171        output="$(git mergetool --no-prompt)" &&
 172        test "$output" = "No files need merging" &&
 173        git reset --hard
 174'
 175
 176test_expect_success 'mergetool merges all from subdir' '
 177        test_config rerere.enabled false &&
 178        (
 179                cd subdir &&
 180                test_must_fail git merge master &&
 181                ( yes "r" | git mergetool ../submod ) &&
 182                ( yes "d" "d" | git mergetool --no-prompt ) &&
 183                test "$(cat ../file1)" = "master updated" &&
 184                test "$(cat ../file2)" = "master new" &&
 185                test "$(cat file3)" = "master new sub" &&
 186                ( cd .. && git submodule update -N ) &&
 187                test "$(cat ../submod/bar)" = "master submodule" &&
 188                git commit -m "branch2 resolved by mergetool from subdir"
 189        )
 190'
 191
 192test_expect_success 'mergetool skips resolved paths when rerere is active' '
 193        test_config rerere.enabled true &&
 194        rm -rf .git/rr-cache &&
 195        git checkout -b test5 branch1 &&
 196        git submodule update -N &&
 197        test_must_fail git merge master >/dev/null 2>&1 &&
 198        ( yes "l" | git mergetool --no-prompt submod >/dev/null 2>&1 ) &&
 199        ( yes "d" "d" | git mergetool --no-prompt >/dev/null 2>&1 ) &&
 200        git submodule update -N &&
 201        output="$(yes "n" | git mergetool --no-prompt)" &&
 202        test "$output" = "No files need merging" &&
 203        git reset --hard
 204'
 205
 206test_expect_success 'conflicted stash sets up rerere'  '
 207        test_config rerere.enabled true &&
 208        git checkout stash1 &&
 209        echo "Conflicting stash content" >file11 &&
 210        git stash &&
 211
 212        git checkout --detach stash2 &&
 213        test_must_fail git stash apply &&
 214
 215        test -n "$(git ls-files -u)" &&
 216        conflicts="$(git rerere remaining)" &&
 217        test "$conflicts" = "file11" &&
 218        output="$(git mergetool --no-prompt)" &&
 219        test "$output" != "No files need merging" &&
 220
 221        git commit -am "save the stash resolution" &&
 222
 223        git reset --hard stash2 &&
 224        test_must_fail git stash apply &&
 225
 226        test -n "$(git ls-files -u)" &&
 227        conflicts="$(git rerere remaining)" &&
 228        test -z "$conflicts" &&
 229        output="$(git mergetool --no-prompt)" &&
 230        test "$output" = "No files need merging"
 231'
 232
 233test_expect_success 'mergetool takes partial path' '
 234        git reset --hard &&
 235        test_config rerere.enabled false &&
 236        git checkout -b test12 branch1 &&
 237        git submodule update -N &&
 238        test_must_fail git merge master &&
 239
 240        ( yes "" | git mergetool subdir ) &&
 241
 242        test "$(cat subdir/file3)" = "master new sub" &&
 243        git reset --hard
 244'
 245
 246test_expect_success 'mergetool delete/delete conflict' '
 247        git checkout -b delete-base branch1 &&
 248        mkdir -p a/a &&
 249        (echo one; echo two; echo 3; echo 4) >a/a/file.txt &&
 250        git add a/a/file.txt &&
 251        git commit -m"base file" &&
 252        git checkout -b move-to-b delete-base &&
 253        mkdir -p b/b &&
 254        git mv a/a/file.txt b/b/file.txt &&
 255        (echo one; echo two; echo 4) >b/b/file.txt &&
 256        git commit -a -m"move to b" &&
 257        git checkout -b move-to-c delete-base &&
 258        mkdir -p c/c &&
 259        git mv a/a/file.txt c/c/file.txt &&
 260        (echo one; echo two; echo 3) >c/c/file.txt &&
 261        git commit -a -m"move to c" &&
 262        test_must_fail git merge move-to-b &&
 263        echo d | git mergetool a/a/file.txt &&
 264        ! test -f a/a/file.txt &&
 265        git reset --hard HEAD &&
 266        test_must_fail git merge move-to-b &&
 267        echo m | git mergetool a/a/file.txt &&
 268        test -f b/b/file.txt &&
 269        git reset --hard HEAD &&
 270        test_must_fail git merge move-to-b &&
 271        ! echo a | git mergetool a/a/file.txt &&
 272        ! test -f a/a/file.txt &&
 273        git reset --hard HEAD
 274'
 275
 276test_expect_success 'mergetool produces no errors when keepBackup is used' '
 277        test_config mergetool.keepBackup true &&
 278        test_must_fail git merge move-to-b &&
 279        : >expect &&
 280        echo d | git mergetool a/a/file.txt 2>actual &&
 281        test_cmp expect actual &&
 282        ! test -d a &&
 283        git reset --hard HEAD
 284'
 285
 286test_expect_success 'mergetool honors tempfile config for deleted files' '
 287        test_config mergetool.keepTemporaries false &&
 288        test_must_fail git merge move-to-b &&
 289        echo d | git mergetool a/a/file.txt &&
 290        ! test -d a &&
 291        git reset --hard HEAD
 292'
 293
 294test_expect_success 'mergetool keeps tempfiles when aborting delete/delete' '
 295        test_config mergetool.keepTemporaries true &&
 296        test_must_fail git merge move-to-b &&
 297        ! (echo a; echo n) | git mergetool a/a/file.txt &&
 298        test -d a/a &&
 299        cat >expect <<-\EOF &&
 300        file_BASE_.txt
 301        file_LOCAL_.txt
 302        file_REMOTE_.txt
 303        EOF
 304        ls -1 a/a | sed -e "s/[0-9]*//g" >actual &&
 305        test_cmp expect actual &&
 306        git clean -fdx &&
 307        git reset --hard HEAD
 308'
 309
 310test_expect_success 'deleted vs modified submodule' '
 311        git checkout -b test6 branch1 &&
 312        git submodule update -N &&
 313        mv submod submod-movedaside &&
 314        git rm --cached submod &&
 315        git commit -m "Submodule deleted from branch" &&
 316        git checkout -b test6.a test6 &&
 317        test_must_fail git merge master &&
 318        test -n "$(git ls-files -u)" &&
 319        ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 320        ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 321        ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 322        ( yes "r" | git mergetool submod ) &&
 323        rmdir submod && mv submod-movedaside submod &&
 324        test "$(cat submod/bar)" = "branch1 submodule" &&
 325        git submodule update -N &&
 326        test "$(cat submod/bar)" = "master submodule" &&
 327        output="$(git mergetool --no-prompt)" &&
 328        test "$output" = "No files need merging" &&
 329        git commit -m "Merge resolved by keeping module" &&
 330
 331        mv submod submod-movedaside &&
 332        git checkout -b test6.b test6 &&
 333        git submodule update -N &&
 334        test_must_fail git merge master &&
 335        test -n "$(git ls-files -u)" &&
 336        ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 337        ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 338        ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 339        ( yes "l" | git mergetool submod ) &&
 340        test ! -e submod &&
 341        output="$(git mergetool --no-prompt)" &&
 342        test "$output" = "No files need merging" &&
 343        git commit -m "Merge resolved by deleting module" &&
 344
 345        mv submod-movedaside submod &&
 346        git checkout -b test6.c master &&
 347        git submodule update -N &&
 348        test_must_fail git merge test6 &&
 349        test -n "$(git ls-files -u)" &&
 350        ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 351        ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 352        ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 353        ( yes "r" | git mergetool submod ) &&
 354        test ! -e submod &&
 355        test -d submod.orig &&
 356        git submodule update -N &&
 357        output="$(git mergetool --no-prompt)" &&
 358        test "$output" = "No files need merging" &&
 359        git commit -m "Merge resolved by deleting module" &&
 360        mv submod.orig submod &&
 361
 362        git checkout -b test6.d master &&
 363        git submodule update -N &&
 364        test_must_fail git merge test6 &&
 365        test -n "$(git ls-files -u)" &&
 366        ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 367        ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 368        ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 369        ( yes "l" | git mergetool submod ) &&
 370        test "$(cat submod/bar)" = "master submodule" &&
 371        git submodule update -N &&
 372        test "$(cat submod/bar)" = "master submodule" &&
 373        output="$(git mergetool --no-prompt)" &&
 374        test "$output" = "No files need merging" &&
 375        git commit -m "Merge resolved by keeping module" &&
 376        git reset --hard HEAD
 377'
 378
 379test_expect_success 'file vs modified submodule' '
 380        git checkout -b test7 branch1 &&
 381        git submodule update -N &&
 382        mv submod submod-movedaside &&
 383        git rm --cached submod &&
 384        echo not a submodule >submod &&
 385        git add submod &&
 386        git commit -m "Submodule path becomes file" &&
 387        git checkout -b test7.a branch1 &&
 388        test_must_fail git merge master &&
 389        test -n "$(git ls-files -u)" &&
 390        ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 391        ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 392        ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 393        ( yes "r" | git mergetool submod ) &&
 394        rmdir submod && mv submod-movedaside submod &&
 395        test "$(cat submod/bar)" = "branch1 submodule" &&
 396        git submodule update -N &&
 397        test "$(cat submod/bar)" = "master submodule" &&
 398        output="$(git mergetool --no-prompt)" &&
 399        test "$output" = "No files need merging" &&
 400        git commit -m "Merge resolved by keeping module" &&
 401
 402        mv submod submod-movedaside &&
 403        git checkout -b test7.b test7 &&
 404        test_must_fail git merge master &&
 405        test -n "$(git ls-files -u)" &&
 406        ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 407        ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 408        ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 409        ( yes "l" | git mergetool submod ) &&
 410        git submodule update -N &&
 411        test "$(cat submod)" = "not a submodule" &&
 412        output="$(git mergetool --no-prompt)" &&
 413        test "$output" = "No files need merging" &&
 414        git commit -m "Merge resolved by keeping file" &&
 415
 416        git checkout -b test7.c master &&
 417        rmdir submod && mv submod-movedaside submod &&
 418        test ! -e submod.orig &&
 419        git submodule update -N &&
 420        test_must_fail git merge test7 &&
 421        test -n "$(git ls-files -u)" &&
 422        ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 423        ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 424        ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 425        ( yes "r" | git mergetool submod ) &&
 426        test -d submod.orig &&
 427        git submodule update -N &&
 428        test "$(cat submod)" = "not a submodule" &&
 429        output="$(git mergetool --no-prompt)" &&
 430        test "$output" = "No files need merging" &&
 431        git commit -m "Merge resolved by keeping file" &&
 432
 433        git checkout -b test7.d master &&
 434        rmdir submod && mv submod.orig submod &&
 435        git submodule update -N &&
 436        test_must_fail git merge test7 &&
 437        test -n "$(git ls-files -u)" &&
 438        ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 439        ( yes "" | git mergetool both>/dev/null 2>&1 ) &&
 440        ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 441        ( yes "l" | git mergetool submod ) &&
 442        test "$(cat submod/bar)" = "master submodule" &&
 443        git submodule update -N &&
 444        test "$(cat submod/bar)" = "master submodule" &&
 445        output="$(git mergetool --no-prompt)" &&
 446        test "$output" = "No files need merging" &&
 447        git commit -m "Merge resolved by keeping module"
 448'
 449
 450test_expect_success 'submodule in subdirectory' '
 451        git checkout -b test10 branch1 &&
 452        git submodule update -N &&
 453        (
 454                cd subdir &&
 455                test_create_repo subdir_module &&
 456                (
 457                cd subdir_module &&
 458                : >file15 &&
 459                git add file15 &&
 460                git commit -m "add initial versions"
 461                )
 462        ) &&
 463        git submodule add git://example.com/subsubmodule subdir/subdir_module &&
 464        git add subdir/subdir_module &&
 465        git commit -m "add submodule in subdirectory" &&
 466
 467        git checkout -b test10.a test10 &&
 468        git submodule update -N &&
 469        (
 470        cd subdir/subdir_module &&
 471                git checkout -b super10.a &&
 472                echo test10.a >file15 &&
 473                git add file15 &&
 474                git commit -m "on branch 10.a"
 475        ) &&
 476        git add subdir/subdir_module &&
 477        git commit -m "change submodule in subdirectory on test10.a" &&
 478
 479        git checkout -b test10.b test10 &&
 480        git submodule update -N &&
 481        (
 482                cd subdir/subdir_module &&
 483                git checkout -b super10.b &&
 484                echo test10.b >file15 &&
 485                git add file15 &&
 486                git commit -m "on branch 10.b"
 487        ) &&
 488        git add subdir/subdir_module &&
 489        git commit -m "change submodule in subdirectory on test10.b" &&
 490
 491        test_must_fail git merge test10.a >/dev/null 2>&1 &&
 492        (
 493                cd subdir &&
 494                ( yes "l" | git mergetool subdir_module )
 495        ) &&
 496        test "$(cat subdir/subdir_module/file15)" = "test10.b" &&
 497        git submodule update -N &&
 498        test "$(cat subdir/subdir_module/file15)" = "test10.b" &&
 499        git reset --hard &&
 500        git submodule update -N &&
 501
 502        test_must_fail git merge test10.a >/dev/null 2>&1 &&
 503        ( yes "r" | git mergetool subdir/subdir_module ) &&
 504        test "$(cat subdir/subdir_module/file15)" = "test10.b" &&
 505        git submodule update -N &&
 506        test "$(cat subdir/subdir_module/file15)" = "test10.a" &&
 507        git commit -m "branch1 resolved with mergetool" &&
 508        rm -rf subdir/subdir_module
 509'
 510
 511test_expect_success 'directory vs modified submodule' '
 512        git checkout -b test11 branch1 &&
 513        mv submod submod-movedaside &&
 514        git rm --cached submod &&
 515        mkdir submod &&
 516        echo not a submodule >submod/file16 &&
 517        git add submod/file16 &&
 518        git commit -m "Submodule path becomes directory" &&
 519
 520        test_must_fail git merge master &&
 521        test -n "$(git ls-files -u)" &&
 522        ( yes "l" | git mergetool submod ) &&
 523        test "$(cat submod/file16)" = "not a submodule" &&
 524        rm -rf submod.orig &&
 525
 526        git reset --hard >/dev/null 2>&1 &&
 527        test_must_fail git merge master &&
 528        test -n "$(git ls-files -u)" &&
 529        test ! -e submod.orig &&
 530        ( yes "r" | git mergetool submod ) &&
 531        test -d submod.orig &&
 532        test "$(cat submod.orig/file16)" = "not a submodule" &&
 533        rm -r submod.orig &&
 534        mv submod-movedaside/.git submod &&
 535        ( cd submod && git clean -f && git reset --hard ) &&
 536        git submodule update -N &&
 537        test "$(cat submod/bar)" = "master submodule" &&
 538        git reset --hard >/dev/null 2>&1 && rm -rf submod-movedaside &&
 539
 540        git checkout -b test11.c master &&
 541        git submodule update -N &&
 542        test_must_fail git merge test11 &&
 543        test -n "$(git ls-files -u)" &&
 544        ( yes "l" | git mergetool submod ) &&
 545        git submodule update -N &&
 546        test "$(cat submod/bar)" = "master submodule" &&
 547
 548        git reset --hard >/dev/null 2>&1 &&
 549        git submodule update -N &&
 550        test_must_fail git merge test11 &&
 551        test -n "$(git ls-files -u)" &&
 552        test ! -e submod.orig &&
 553        ( yes "r" | git mergetool submod ) &&
 554        test "$(cat submod/file16)" = "not a submodule" &&
 555
 556        git reset --hard master >/dev/null 2>&1 &&
 557        ( cd submod && git clean -f && git reset --hard ) &&
 558        git submodule update -N
 559'
 560
 561test_expect_success 'file with no base' '
 562        git checkout -b test13 branch1 &&
 563        test_must_fail git merge master &&
 564        git mergetool --no-prompt --tool mybase -- both &&
 565        >expected &&
 566        test_cmp both expected &&
 567        git reset --hard master >/dev/null 2>&1
 568'
 569
 570test_expect_success 'custom commands override built-ins' '
 571        git checkout -b test14 branch1 &&
 572        test_config mergetool.defaults.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" &&
 573        test_config mergetool.defaults.trustExitCode true &&
 574        test_must_fail git merge master &&
 575        git mergetool --no-prompt --tool defaults -- both &&
 576        echo master both added >expected &&
 577        test_cmp both expected &&
 578        git reset --hard master >/dev/null 2>&1
 579'
 580
 581test_expect_success 'filenames seen by tools start with ./' '
 582        git checkout -b test15 branch1 &&
 583        test_config mergetool.writeToTemp false &&
 584        test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 585        test_config mergetool.myecho.trustExitCode true &&
 586        test_must_fail git merge master &&
 587        git mergetool --no-prompt --tool myecho -- both >actual &&
 588        grep ^\./both_LOCAL_ actual >/dev/null &&
 589        git reset --hard master >/dev/null 2>&1
 590'
 591
 592test_lazy_prereq MKTEMP '
 593        tempdir=$(mktemp -d -t foo.XXXXXX) &&
 594        test -d "$tempdir"
 595'
 596
 597test_expect_success MKTEMP 'temporary filenames are used with mergetool.writeToTemp' '
 598        git checkout -b test16 branch1 &&
 599        test_config mergetool.writeToTemp true &&
 600        test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 601        test_config mergetool.myecho.trustExitCode true &&
 602        test_must_fail git merge master &&
 603        git mergetool --no-prompt --tool myecho -- both >actual &&
 604        test_must_fail grep ^\./both_LOCAL_ actual >/dev/null &&
 605        grep /both_LOCAL_ actual >/dev/null &&
 606        git reset --hard master >/dev/null 2>&1
 607'
 608
 609test_done