t/t7610-mergetool.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2008 Charles Bailey
   4 #
   5
   6 test_description='git mergetool
   7
   8 Testing 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
  16 test_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         (echo one; echo two; echo 3; echo 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         (echo one; echo two; echo 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         (echo one; echo two; echo 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
 129 test_expect_success 'custom mergetool' '
 130         test_when_finished "git reset --hard" &&
 131         git checkout -b test$test_count branch1 &&
 132         git submodule update -N &&
 133         test_must_fail git merge master >/dev/null 2>&1 &&
 134         ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 135         ( yes "" | git mergetool file1 file1 ) &&
 136         ( yes "" | git mergetool file2 "spaced name" >/dev/null 2>&1 ) &&
 137         ( yes "" | git mergetool subdir/file3 >/dev/null 2>&1 ) &&
 138         ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
 139         ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
 140         ( yes "l" | git mergetool submod >/dev/null 2>&1 ) &&
 141         test "$(cat file1)" = "master updated" &&
 142         test "$(cat file2)" = "master new" &&
 143         test "$(cat subdir/file3)" = "master new sub" &&
 144         test "$(cat submod/bar)" = "branch1 submodule" &&
 145         git commit -m "branch1 resolved with mergetool"
 146 '
 147
 148 test_expect_success 'mergetool crlf' '
 149         test_when_finished "git reset --hard" &&
 150         # This test_config line must go after the above reset line so that
 151         # core.autocrlf is unconfigured before reset runs.  (The
 152         # test_config command uses test_when_finished internally and
 153         # test_when_finished is LIFO.)
 154         test_config core.autocrlf true &&
 155         git checkout -b test$test_count branch1 &&
 156         test_must_fail git merge master >/dev/null 2>&1 &&
 157         ( yes "" | git mergetool file1 >/dev/null 2>&1 ) &&
 158         ( yes "" | git mergetool file2 >/dev/null 2>&1 ) &&
 159         ( yes "" | git mergetool "spaced name" >/dev/null 2>&1 ) &&
 160         ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 161         ( yes "" | git mergetool subdir/file3 >/dev/null 2>&1 ) &&
 162         ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
 163         ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
 164         ( yes "r" | git mergetool submod >/dev/null 2>&1 ) &&
 165         test "$(printf x | cat file1 -)" = "$(printf "master updated\r\nx")" &&
 166         test "$(printf x | cat file2 -)" = "$(printf "master new\r\nx")" &&
 167         test "$(printf x | cat subdir/file3 -)" = "$(printf "master new sub\r\nx")" &&
 168         git submodule update -N &&
 169         test "$(cat submod/bar)" = "master submodule" &&
 170         git commit -m "branch1 resolved with mergetool - autocrlf"
 171 '
 172
 173 test_expect_success 'mergetool in subdir' '
 174         test_when_finished "git reset --hard" &&
 175         git checkout -b test$test_count branch1 &&
 176         git submodule update -N &&
 177         (
 178                 cd subdir &&
 179                 test_must_fail git merge master >/dev/null 2>&1 &&
 180                 ( yes "" | git mergetool file3 >/dev/null 2>&1 ) &&
 181                 test "$(cat file3)" = "master new sub"
 182         )
 183 '
 184
 185 test_expect_success 'mergetool on file in parent dir' '
 186         test_when_finished "git reset --hard" &&
 187         git checkout -b test$test_count branch1 &&
 188         git submodule update -N &&
 189         (
 190                 cd subdir &&
 191                 test_must_fail git merge master >/dev/null 2>&1 &&
 192                 ( yes "" | git mergetool file3 >/dev/null 2>&1 ) &&
 193                 ( yes "" | git mergetool ../file1 >/dev/null 2>&1 ) &&
 194                 ( yes "" | git mergetool ../file2 ../spaced\ name >/dev/null 2>&1 ) &&
 195                 ( yes "" | git mergetool ../both >/dev/null 2>&1 ) &&
 196                 ( yes "d" | git mergetool ../file11 >/dev/null 2>&1 ) &&
 197                 ( yes "d" | git mergetool ../file12 >/dev/null 2>&1 ) &&
 198                 ( yes "l" | git mergetool ../submod >/dev/null 2>&1 ) &&
 199                 test "$(cat ../file1)" = "master updated" &&
 200                 test "$(cat ../file2)" = "master new" &&
 201                 test "$(cat ../submod/bar)" = "branch1 submodule" &&
 202                 git commit -m "branch1 resolved with mergetool - subdir"
 203         )
 204 '
 205
 206 test_expect_success 'mergetool skips autoresolved' '
 207         test_when_finished "git reset --hard" &&
 208         git checkout -b test$test_count branch1 &&
 209         git submodule update -N &&
 210         test_must_fail git merge master &&
 211         test -n "$(git ls-files -u)" &&
 212         ( yes "d" | git mergetool file11 >/dev/null 2>&1 ) &&
 213         ( yes "d" | git mergetool file12 >/dev/null 2>&1 ) &&
 214         ( yes "l" | git mergetool submod >/dev/null 2>&1 ) &&
 215         output="$(git mergetool --no-prompt)" &&
 216         test "$output" = "No files need merging"
 217 '
 218
 219 test_expect_success 'mergetool merges all from subdir (rerere disabled)' '
 220         test_when_finished "git reset --hard" &&
 221         git checkout -b test$test_count branch1 &&
 222         test_config rerere.enabled false &&
 223         (
 224                 cd subdir &&
 225                 test_must_fail git merge master &&
 226                 ( yes "r" | git mergetool ../submod ) &&
 227                 ( yes "d" "d" | git mergetool --no-prompt ) &&
 228                 test "$(cat ../file1)" = "master updated" &&
 229                 test "$(cat ../file2)" = "master new" &&
 230                 test "$(cat file3)" = "master new sub" &&
 231                 ( cd .. && git submodule update -N ) &&
 232                 test "$(cat ../submod/bar)" = "master submodule" &&
 233                 git commit -m "branch2 resolved by mergetool from subdir"
 234         )
 235 '
 236
 237 test_expect_success 'mergetool merges all from subdir (rerere enabled)' '
 238         test_when_finished "git reset --hard" &&
 239         git checkout -b test$test_count branch1 &&
 240         test_config rerere.enabled true &&
 241         rm -rf .git/rr-cache &&
 242         (
 243                 cd subdir &&
 244                 test_must_fail git merge master &&
 245                 ( yes "r" | git mergetool ../submod ) &&
 246                 ( yes "d" "d" | git mergetool --no-prompt ) &&
 247                 test "$(cat ../file1)" = "master updated" &&
 248                 test "$(cat ../file2)" = "master new" &&
 249                 test "$(cat file3)" = "master new sub" &&
 250                 ( cd .. && git submodule update -N ) &&
 251                 test "$(cat ../submod/bar)" = "master submodule" &&
 252                 git commit -m "branch2 resolved by mergetool from subdir"
 253         )
 254 '
 255
 256 test_expect_success 'mergetool skips resolved paths when rerere is active' '
 257         test_when_finished "git reset --hard" &&
 258         test_config rerere.enabled true &&
 259         rm -rf .git/rr-cache &&
 260         git checkout -b test$test_count branch1 &&
 261         git submodule update -N &&
 262         test_must_fail git merge master >/dev/null 2>&1 &&
 263         ( yes "l" | git mergetool --no-prompt submod >/dev/null 2>&1 ) &&
 264         ( yes "d" "d" | git mergetool --no-prompt >/dev/null 2>&1 ) &&
 265         git submodule update -N &&
 266         output="$(yes "n" | git mergetool --no-prompt)" &&
 267         test "$output" = "No files need merging"
 268 '
 269
 270 test_expect_success 'conflicted stash sets up rerere'  '
 271         test_when_finished "git reset --hard" &&
 272         test_config rerere.enabled true &&
 273         git checkout stash1 &&
 274         echo "Conflicting stash content" >file11 &&
 275         git stash &&
 276
 277         git checkout --detach stash2 &&
 278         test_must_fail git stash apply &&
 279
 280         test -n "$(git ls-files -u)" &&
 281         conflicts="$(git rerere remaining)" &&
 282         test "$conflicts" = "file11" &&
 283         output="$(git mergetool --no-prompt)" &&
 284         test "$output" != "No files need merging" &&
 285
 286         git commit -am "save the stash resolution" &&
 287
 288         git reset --hard stash2 &&
 289         test_must_fail git stash apply &&
 290
 291         test -n "$(git ls-files -u)" &&
 292         conflicts="$(git rerere remaining)" &&
 293         test -z "$conflicts" &&
 294         output="$(git mergetool --no-prompt)" &&
 295         test "$output" = "No files need merging"
 296 '
 297
 298 test_expect_success 'mergetool takes partial path' '
 299         test_when_finished "git reset --hard" &&
 300         test_config rerere.enabled false &&
 301         git checkout -b test$test_count branch1 &&
 302         git submodule update -N &&
 303         test_must_fail git merge master &&
 304
 305         ( yes "" | git mergetool subdir ) &&
 306
 307         test "$(cat subdir/file3)" = "master new sub"
 308 '
 309
 310 test_expect_success 'mergetool delete/delete conflict' '
 311         test_when_finished "git reset --hard" &&
 312         git checkout -b test$test_count move-to-c &&
 313         test_must_fail git merge move-to-b &&
 314         echo d | git mergetool a/a/file.txt &&
 315         ! test -f a/a/file.txt &&
 316         git reset --hard &&
 317         test_must_fail git merge move-to-b &&
 318         echo m | git mergetool a/a/file.txt &&
 319         test -f b/b/file.txt &&
 320         git reset --hard &&
 321         test_must_fail git merge move-to-b &&
 322         ! echo a | git mergetool a/a/file.txt &&
 323         ! test -f a/a/file.txt
 324 '
 325
 326 test_expect_success 'mergetool produces no errors when keepBackup is used' '
 327         test_when_finished "git reset --hard" &&
 328         git checkout -b test$test_count move-to-c &&
 329         test_config mergetool.keepBackup true &&
 330         test_must_fail git merge move-to-b &&
 331         : >expect &&
 332         echo d | git mergetool a/a/file.txt 2>actual &&
 333         test_cmp expect actual &&
 334         ! test -d a
 335 '
 336
 337 test_expect_success 'mergetool honors tempfile config for deleted files' '
 338         test_when_finished "git reset --hard" &&
 339         git checkout -b test$test_count move-to-c &&
 340         test_config mergetool.keepTemporaries false &&
 341         test_must_fail git merge move-to-b &&
 342         echo d | git mergetool a/a/file.txt &&
 343         ! test -d a
 344 '
 345
 346 test_expect_success 'mergetool keeps tempfiles when aborting delete/delete' '
 347         test_when_finished "git reset --hard" &&
 348         test_when_finished "git clean -fdx" &&
 349         git checkout -b test$test_count move-to-c &&
 350         test_config mergetool.keepTemporaries true &&
 351         test_must_fail git merge move-to-b &&
 352         ! (echo a; echo n) | git mergetool a/a/file.txt &&
 353         test -d a/a &&
 354         cat >expect <<-\EOF &&
 355         file_BASE_.txt
 356         file_LOCAL_.txt
 357         file_REMOTE_.txt
 358         EOF
 359         ls -1 a/a | sed -e "s/[0-9]*//g" >actual &&
 360         test_cmp expect actual
 361 '
 362
 363 test_expect_success 'deleted vs modified submodule' '
 364         test_when_finished "git reset --hard" &&
 365         git checkout -b test$test_count branch1 &&
 366         git submodule update -N &&
 367         mv submod submod-movedaside &&
 368         git rm --cached submod &&
 369         git commit -m "Submodule deleted from branch" &&
 370         git checkout -b test$test_count.a test$test_count &&
 371         test_must_fail git merge master &&
 372         test -n "$(git ls-files -u)" &&
 373         ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 374         ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 375         ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 376         ( yes "r" | git mergetool submod ) &&
 377         rmdir submod && mv submod-movedaside submod &&
 378         test "$(cat submod/bar)" = "branch1 submodule" &&
 379         git submodule update -N &&
 380         test "$(cat submod/bar)" = "master submodule" &&
 381         output="$(git mergetool --no-prompt)" &&
 382         test "$output" = "No files need merging" &&
 383         git commit -m "Merge resolved by keeping module" &&
 384
 385         mv submod submod-movedaside &&
 386         git checkout -b test$test_count.b test$test_count &&
 387         git submodule update -N &&
 388         test_must_fail git merge master &&
 389         test -n "$(git ls-files -u)" &&
 390         ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 391         ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 392         ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 393         ( yes "l" | git mergetool submod ) &&
 394         test ! -e submod &&
 395         output="$(git mergetool --no-prompt)" &&
 396         test "$output" = "No files need merging" &&
 397         git commit -m "Merge resolved by deleting module" &&
 398
 399         mv submod-movedaside submod &&
 400         git checkout -b test$test_count.c master &&
 401         git submodule update -N &&
 402         test_must_fail git merge test$test_count &&
 403         test -n "$(git ls-files -u)" &&
 404         ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 405         ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 406         ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 407         ( yes "r" | git mergetool submod ) &&
 408         test ! -e submod &&
 409         test -d submod.orig &&
 410         git submodule update -N &&
 411         output="$(git mergetool --no-prompt)" &&
 412         test "$output" = "No files need merging" &&
 413         git commit -m "Merge resolved by deleting module" &&
 414         mv submod.orig submod &&
 415
 416         git checkout -b test$test_count.d master &&
 417         git submodule update -N &&
 418         test_must_fail git merge test$test_count &&
 419         test -n "$(git ls-files -u)" &&
 420         ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 421         ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 422         ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 423         ( yes "l" | git mergetool submod ) &&
 424         test "$(cat submod/bar)" = "master submodule" &&
 425         git submodule update -N &&
 426         test "$(cat submod/bar)" = "master submodule" &&
 427         output="$(git mergetool --no-prompt)" &&
 428         test "$output" = "No files need merging" &&
 429         git commit -m "Merge resolved by keeping module"
 430 '
 431
 432 test_expect_success 'file vs modified submodule' '
 433         test_when_finished "git reset --hard" &&
 434         git checkout -b test$test_count branch1 &&
 435         git submodule update -N &&
 436         mv submod submod-movedaside &&
 437         git rm --cached submod &&
 438         echo not a submodule >submod &&
 439         git add submod &&
 440         git commit -m "Submodule path becomes file" &&
 441         git checkout -b test$test_count.a branch1 &&
 442         test_must_fail git merge master &&
 443         test -n "$(git ls-files -u)" &&
 444         ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 445         ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 446         ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 447         ( yes "r" | git mergetool submod ) &&
 448         rmdir submod && mv submod-movedaside submod &&
 449         test "$(cat submod/bar)" = "branch1 submodule" &&
 450         git submodule update -N &&
 451         test "$(cat submod/bar)" = "master submodule" &&
 452         output="$(git mergetool --no-prompt)" &&
 453         test "$output" = "No files need merging" &&
 454         git commit -m "Merge resolved by keeping module" &&
 455
 456         mv submod submod-movedaside &&
 457         git checkout -b test$test_count.b test$test_count &&
 458         test_must_fail git merge master &&
 459         test -n "$(git ls-files -u)" &&
 460         ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 461         ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 462         ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 463         ( yes "l" | git mergetool submod ) &&
 464         git submodule update -N &&
 465         test "$(cat submod)" = "not a submodule" &&
 466         output="$(git mergetool --no-prompt)" &&
 467         test "$output" = "No files need merging" &&
 468         git commit -m "Merge resolved by keeping file" &&
 469
 470         git checkout -b test$test_count.c master &&
 471         rmdir submod && mv submod-movedaside submod &&
 472         test ! -e submod.orig &&
 473         git submodule update -N &&
 474         test_must_fail git merge test$test_count &&
 475         test -n "$(git ls-files -u)" &&
 476         ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 477         ( yes "" | git mergetool both >/dev/null 2>&1 ) &&
 478         ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 479         ( yes "r" | git mergetool submod ) &&
 480         test -d submod.orig &&
 481         git submodule update -N &&
 482         test "$(cat submod)" = "not a submodule" &&
 483         output="$(git mergetool --no-prompt)" &&
 484         test "$output" = "No files need merging" &&
 485         git commit -m "Merge resolved by keeping file" &&
 486
 487         git checkout -b test$test_count.d master &&
 488         rmdir submod && mv submod.orig submod &&
 489         git submodule update -N &&
 490         test_must_fail git merge test$test_count &&
 491         test -n "$(git ls-files -u)" &&
 492         ( yes "" | git mergetool file1 file2 spaced\ name subdir/file3 >/dev/null 2>&1 ) &&
 493         ( yes "" | git mergetool both>/dev/null 2>&1 ) &&
 494         ( yes "d" | git mergetool file11 file12 >/dev/null 2>&1 ) &&
 495         ( yes "l" | git mergetool submod ) &&
 496         test "$(cat submod/bar)" = "master submodule" &&
 497         git submodule update -N &&
 498         test "$(cat submod/bar)" = "master submodule" &&
 499         output="$(git mergetool --no-prompt)" &&
 500         test "$output" = "No files need merging" &&
 501         git commit -m "Merge resolved by keeping module"
 502 '
 503
 504 test_expect_success 'submodule in subdirectory' '
 505         test_when_finished "git reset --hard" &&
 506         git checkout -b test$test_count branch1 &&
 507         git submodule update -N &&
 508         (
 509                 cd subdir &&
 510                 test_create_repo subdir_module &&
 511                 (
 512                 cd subdir_module &&
 513                 : >file15 &&
 514                 git add file15 &&
 515                 git commit -m "add initial versions"
 516                 )
 517         ) &&
 518         test_when_finished "rm -rf subdir/subdir_module" &&
 519         git submodule add git://example.com/subsubmodule subdir/subdir_module &&
 520         git add subdir/subdir_module &&
 521         git commit -m "add submodule in subdirectory" &&
 522
 523         git checkout -b test$test_count.a test$test_count &&
 524         git submodule update -N &&
 525         (
 526         cd subdir/subdir_module &&
 527                 git checkout -b super10.a &&
 528                 echo test$test_count.a >file15 &&
 529                 git add file15 &&
 530                 git commit -m "on branch 10.a"
 531         ) &&
 532         git add subdir/subdir_module &&
 533         git commit -m "change submodule in subdirectory on test$test_count.a" &&
 534
 535         git checkout -b test$test_count.b test$test_count &&
 536         git submodule update -N &&
 537         (
 538                 cd subdir/subdir_module &&
 539                 git checkout -b super10.b &&
 540                 echo test$test_count.b >file15 &&
 541                 git add file15 &&
 542                 git commit -m "on branch 10.b"
 543         ) &&
 544         git add subdir/subdir_module &&
 545         git commit -m "change submodule in subdirectory on test$test_count.b" &&
 546
 547         test_must_fail git merge test$test_count.a >/dev/null 2>&1 &&
 548         (
 549                 cd subdir &&
 550                 ( yes "l" | git mergetool subdir_module )
 551         ) &&
 552         test "$(cat subdir/subdir_module/file15)" = "test$test_count.b" &&
 553         git submodule update -N &&
 554         test "$(cat subdir/subdir_module/file15)" = "test$test_count.b" &&
 555         git reset --hard &&
 556         git submodule update -N &&
 557
 558         test_must_fail git merge test$test_count.a >/dev/null 2>&1 &&
 559         ( yes "r" | git mergetool subdir/subdir_module ) &&
 560         test "$(cat subdir/subdir_module/file15)" = "test$test_count.b" &&
 561         git submodule update -N &&
 562         test "$(cat subdir/subdir_module/file15)" = "test$test_count.a" &&
 563         git commit -m "branch1 resolved with mergetool"
 564 '
 565
 566 test_expect_success 'directory vs modified submodule' '
 567         test_when_finished "git reset --hard" &&
 568         git checkout -b test$test_count branch1 &&
 569         mv submod submod-movedaside &&
 570         git rm --cached submod &&
 571         mkdir submod &&
 572         echo not a submodule >submod/file16 &&
 573         git add submod/file16 &&
 574         git commit -m "Submodule path becomes directory" &&
 575
 576         test_must_fail git merge master &&
 577         test -n "$(git ls-files -u)" &&
 578         ( yes "l" | git mergetool submod ) &&
 579         test "$(cat submod/file16)" = "not a submodule" &&
 580         rm -rf submod.orig &&
 581
 582         git reset --hard &&
 583         test_must_fail git merge master &&
 584         test -n "$(git ls-files -u)" &&
 585         test ! -e submod.orig &&
 586         ( yes "r" | git mergetool submod ) &&
 587         test -d submod.orig &&
 588         test "$(cat submod.orig/file16)" = "not a submodule" &&
 589         rm -r submod.orig &&
 590         mv submod-movedaside/.git submod &&
 591         ( cd submod && git clean -f && git reset --hard ) &&
 592         git submodule update -N &&
 593         test "$(cat submod/bar)" = "master submodule" &&
 594         git reset --hard &&
 595         rm -rf submod-movedaside &&
 596
 597         git checkout -b test$test_count.c master &&
 598         git submodule update -N &&
 599         test_must_fail git merge test$test_count &&
 600         test -n "$(git ls-files -u)" &&
 601         ( yes "l" | git mergetool submod ) &&
 602         git submodule update -N &&
 603         test "$(cat submod/bar)" = "master submodule" &&
 604
 605         git reset --hard &&
 606         git submodule update -N &&
 607         test_must_fail git merge test$test_count &&
 608         test -n "$(git ls-files -u)" &&
 609         test ! -e submod.orig &&
 610         ( yes "r" | git mergetool submod ) &&
 611         test "$(cat submod/file16)" = "not a submodule" &&
 612
 613         git reset --hard master &&
 614         ( cd submod && git clean -f && git reset --hard ) &&
 615         git submodule update -N
 616 '
 617
 618 test_expect_success 'file with no base' '
 619         test_when_finished "git reset --hard" &&
 620         git checkout -b test$test_count branch1 &&
 621         test_must_fail git merge master &&
 622         git mergetool --no-prompt --tool mybase -- both &&
 623         >expected &&
 624         test_cmp expected both
 625 '
 626
 627 test_expect_success 'custom commands override built-ins' '
 628         test_when_finished "git reset --hard" &&
 629         git checkout -b test$test_count branch1 &&
 630         test_config mergetool.defaults.cmd "cat \"\$REMOTE\" >\"\$MERGED\"" &&
 631         test_config mergetool.defaults.trustExitCode true &&
 632         test_must_fail git merge master &&
 633         git mergetool --no-prompt --tool defaults -- both &&
 634         echo master both added >expected &&
 635         test_cmp expected both
 636 '
 637
 638 test_expect_success 'filenames seen by tools start with ./' '
 639         test_when_finished "git reset --hard" &&
 640         git checkout -b test$test_count branch1 &&
 641         test_config mergetool.writeToTemp false &&
 642         test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 643         test_config mergetool.myecho.trustExitCode true &&
 644         test_must_fail git merge master &&
 645         git mergetool --no-prompt --tool myecho -- both >actual &&
 646         grep ^\./both_LOCAL_ actual >/dev/null
 647 '
 648
 649 test_lazy_prereq MKTEMP '
 650         tempdir=$(mktemp -d -t foo.XXXXXX) &&
 651         test -d "$tempdir" &&
 652         rmdir "$tempdir"
 653 '
 654
 655 test_expect_success MKTEMP 'temporary filenames are used with mergetool.writeToTemp' '
 656         test_when_finished "git reset --hard" &&
 657         git checkout -b test$test_count branch1 &&
 658         test_config mergetool.writeToTemp true &&
 659         test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 660         test_config mergetool.myecho.trustExitCode true &&
 661         test_must_fail git merge master &&
 662         git mergetool --no-prompt --tool myecho -- both >actual &&
 663         ! grep ^\./both_LOCAL_ actual >/dev/null &&
 664         grep /both_LOCAL_ actual >/dev/null
 665 '
 666
 667 test_expect_success 'diff.orderFile configuration is honored' '
 668         test_when_finished "git reset --hard" &&
 669         git checkout -b test$test_count order-file-side2 &&
 670         test_config diff.orderFile order-file &&
 671         test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 672         test_config mergetool.myecho.trustExitCode true &&
 673         echo b >order-file &&
 674         echo a >>order-file &&
 675         test_must_fail git merge order-file-side1 &&
 676         cat >expect <<-\EOF &&
 677                 Merging:
 678                 b
 679                 a
 680         EOF
 681
 682         # make sure "order-file" that is ambiguous between
 683         # rev and path is understood correctly.
 684         git branch order-file HEAD &&
 685
 686         git mergetool --no-prompt --tool myecho >output &&
 687         git grep --no-index -h -A2 Merging: output >actual &&
 688         test_cmp expect actual
 689 '
 690 test_expect_success 'mergetool -Oorder-file is honored' '
 691         test_when_finished "git reset --hard" &&
 692         git checkout -b test$test_count order-file-side2 &&
 693         test_config diff.orderFile order-file &&
 694         test_config mergetool.myecho.cmd "echo \"\$LOCAL\"" &&
 695         test_config mergetool.myecho.trustExitCode true &&
 696         echo b >order-file &&
 697         echo a >>order-file &&
 698         test_must_fail git merge order-file-side1 &&
 699         cat >expect <<-\EOF &&
 700                 Merging:
 701                 a
 702                 b
 703         EOF
 704         git mergetool -O/dev/null --no-prompt --tool myecho >output &&
 705         git grep --no-index -h -A2 Merging: output >actual &&
 706         test_cmp expect actual &&
 707         git reset --hard &&
 708
 709         git config --unset diff.orderFile &&
 710         test_must_fail git merge order-file-side1 &&
 711         cat >expect <<-\EOF &&
 712                 Merging:
 713                 b
 714                 a
 715         EOF
 716         git mergetool -Oorder-file --no-prompt --tool myecho >output &&
 717         git grep --no-index -h -A2 Merging: output >actual &&
 718         test_cmp expect actual
 719 '
 720
 721 test_done