t/t7810-grep.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2006 Junio C Hamano
   4 #
   5
   6 test_description='git grep various.
   7 '
   8
   9 . ./test-lib.sh
  10
  11 cat >hello.c <<EOF
  12 #include <assert.h>
  13 #include <stdio.h>
  14
  15 int main(int argc, const char **argv)
  16 {
  17         printf("Hello world.\n");
  18         return 0;
  19         /* char ?? */
  20 }
  21 EOF
  22
  23 test_expect_success setup '
  24         {
  25                 echo foo mmap bar
  26                 echo foo_mmap bar
  27                 echo foo_mmap bar mmap
  28                 echo foo mmap bar_mmap
  29                 echo foo_mmap bar mmap baz
  30         } >file &&
  31         {
  32                 echo Hello world
  33                 echo HeLLo world
  34                 echo Hello_world
  35                 echo HeLLo_world
  36         } >hello_world &&
  37         {
  38                 echo "a+b*c"
  39                 echo "a+bc"
  40                 echo "abc"
  41         } >ab &&
  42         {
  43                 echo d &&
  44                 echo 0
  45         } >d0 &&
  46         echo vvv >v &&
  47         echo ww w >w &&
  48         echo x x xx x >x &&
  49         echo y yy >y &&
  50         echo zzz > z &&
  51         mkdir t &&
  52         echo test >t/t &&
  53         echo vvv >t/v &&
  54         mkdir t/a &&
  55         echo vvv >t/a/v &&
  56         {
  57                 echo "line without leading space1"
  58                 echo " line with leading space1"
  59                 echo " line with leading space2"
  60                 echo " line with leading space3"
  61                 echo "line without leading space2"
  62         } >space &&
  63         cat >hello.ps1 <<-\EOF &&
  64         # No-op.
  65         function dummy() {}
  66
  67         # Say hello.
  68         function hello() {
  69           echo "Hello world."
  70         } # hello
  71
  72         # Still a no-op.
  73         function dummy() {}
  74         EOF
  75         git add . &&
  76         test_tick &&
  77         git commit -m initial
  78 '
  79
  80 test_expect_success 'grep should not segfault with a bad input' '
  81         test_must_fail git grep "("
  82 '
  83
  84 for H in HEAD ''
  85 do
  86         case "$H" in
  87         HEAD)   HC='HEAD:' L='HEAD' ;;
  88         '')     HC= L='in working tree' ;;
  89         esac
  90
  91         test_expect_success "grep -w $L" '
  92                 {
  93                         echo ${HC}file:1:foo mmap bar
  94                         echo ${HC}file:3:foo_mmap bar mmap
  95                         echo ${HC}file:4:foo mmap bar_mmap
  96                         echo ${HC}file:5:foo_mmap bar mmap baz
  97                 } >expected &&
  98                 git -c grep.linenumber=false grep -n -w -e mmap $H >actual &&
  99                 test_cmp expected actual
 100         '
 101
 102         test_expect_success "grep -w $L" '
 103                 {
 104                         echo ${HC}file:1:foo mmap bar
 105                         echo ${HC}file:3:foo_mmap bar mmap
 106                         echo ${HC}file:4:foo mmap bar_mmap
 107                         echo ${HC}file:5:foo_mmap bar mmap baz
 108                 } >expected &&
 109                 git -c grep.linenumber=true grep -w -e mmap $H >actual &&
 110                 test_cmp expected actual
 111         '
 112
 113         test_expect_success "grep -w $L" '
 114                 {
 115                         echo ${HC}file:foo mmap bar
 116                         echo ${HC}file:foo_mmap bar mmap
 117                         echo ${HC}file:foo mmap bar_mmap
 118                         echo ${HC}file:foo_mmap bar mmap baz
 119                 } >expected &&
 120                 git -c grep.linenumber=true grep --no-line-number -w -e mmap $H >actual &&
 121                 test_cmp expected actual
 122         '
 123
 124         test_expect_success "grep -w $L (w)" '
 125                 : >expected &&
 126                 test_must_fail git grep -n -w -e "^w" $H >actual &&
 127                 test_cmp expected actual
 128         '
 129
 130         test_expect_success "grep -w $L (x)" '
 131                 {
 132                         echo ${HC}x:1:x x xx x
 133                 } >expected &&
 134                 git grep -n -w -e "x xx* x" $H >actual &&
 135                 test_cmp expected actual
 136         '
 137
 138         test_expect_success "grep -w $L (y-1)" '
 139                 {
 140                         echo ${HC}y:1:y yy
 141                 } >expected &&
 142                 git grep -n -w -e "^y" $H >actual &&
 143                 test_cmp expected actual
 144         '
 145
 146         test_expect_success "grep -w $L (y-2)" '
 147                 : >expected &&
 148                 if git grep -n -w -e "^y y" $H >actual
 149                 then
 150                         echo should not have matched
 151                         cat actual
 152                         false
 153                 else
 154                         test_cmp expected actual
 155                 fi
 156         '
 157
 158         test_expect_success "grep -w $L (z)" '
 159                 : >expected &&
 160                 if git grep -n -w -e "^z" $H >actual
 161                 then
 162                         echo should not have matched
 163                         cat actual
 164                         false
 165                 else
 166                         test_cmp expected actual
 167                 fi
 168         '
 169
 170         test_expect_success "grep $L (t-1)" '
 171                 echo "${HC}t/t:1:test" >expected &&
 172                 git grep -n -e test $H >actual &&
 173                 test_cmp expected actual
 174         '
 175
 176         test_expect_success "grep $L (t-2)" '
 177                 echo "${HC}t:1:test" >expected &&
 178                 (
 179                         cd t &&
 180                         git grep -n -e test $H
 181                 ) >actual &&
 182                 test_cmp expected actual
 183         '
 184
 185         test_expect_success "grep $L (t-3)" '
 186                 echo "${HC}t/t:1:test" >expected &&
 187                 (
 188                         cd t &&
 189                         git grep --full-name -n -e test $H
 190                 ) >actual &&
 191                 test_cmp expected actual
 192         '
 193
 194         test_expect_success "grep -c $L (no /dev/null)" '
 195                 ! git grep -c test $H | grep /dev/null
 196         '
 197
 198         test_expect_success "grep --max-depth -1 $L" '
 199                 {
 200                         echo ${HC}t/a/v:1:vvv
 201                         echo ${HC}t/v:1:vvv
 202                         echo ${HC}v:1:vvv
 203                 } >expected &&
 204                 git grep --max-depth -1 -n -e vvv $H >actual &&
 205                 test_cmp expected actual
 206         '
 207
 208         test_expect_success "grep --max-depth 0 $L" '
 209                 {
 210                         echo ${HC}v:1:vvv
 211                 } >expected &&
 212                 git grep --max-depth 0 -n -e vvv $H >actual &&
 213                 test_cmp expected actual
 214         '
 215
 216         test_expect_success "grep --max-depth 0 -- '*' $L" '
 217                 {
 218                         echo ${HC}t/a/v:1:vvv
 219                         echo ${HC}t/v:1:vvv
 220                         echo ${HC}v:1:vvv
 221                 } >expected &&
 222                 git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 223                 test_cmp expected actual
 224         '
 225
 226         test_expect_success "grep --max-depth 1 $L" '
 227                 {
 228                         echo ${HC}t/v:1:vvv
 229                         echo ${HC}v:1:vvv
 230                 } >expected &&
 231                 git grep --max-depth 1 -n -e vvv $H >actual &&
 232                 test_cmp expected actual
 233         '
 234
 235         test_expect_success "grep --max-depth 0 -- t $L" '
 236                 {
 237                         echo ${HC}t/v:1:vvv
 238                 } >expected &&
 239                 git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 240                 test_cmp expected actual
 241         '
 242
 243         test_expect_success "grep --max-depth 0 -- . t $L" '
 244                 {
 245                         echo ${HC}t/v:1:vvv
 246                         echo ${HC}v:1:vvv
 247                 } >expected &&
 248                 git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
 249                 test_cmp expected actual
 250         '
 251
 252         test_expect_success "grep --max-depth 0 -- t . $L" '
 253                 {
 254                         echo ${HC}t/v:1:vvv
 255                         echo ${HC}v:1:vvv
 256                 } >expected &&
 257                 git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
 258                 test_cmp expected actual
 259         '
 260         test_expect_success "grep $L with grep.extendedRegexp=false" '
 261                 echo "${HC}ab:a+bc" >expected &&
 262                 git -c grep.extendedRegexp=false grep "a+b*c" $H ab >actual &&
 263                 test_cmp expected actual
 264         '
 265
 266         test_expect_success "grep $L with grep.extendedRegexp=true" '
 267                 echo "${HC}ab:abc" >expected &&
 268                 git -c grep.extendedRegexp=true grep "a+b*c" $H ab >actual &&
 269                 test_cmp expected actual
 270         '
 271
 272         test_expect_success "grep $L with grep.patterntype=basic" '
 273                 echo "${HC}ab:a+bc" >expected &&
 274                 git -c grep.patterntype=basic grep "a+b*c" $H ab >actual &&
 275                 test_cmp expected actual
 276         '
 277
 278         test_expect_success "grep $L with grep.patterntype=extended" '
 279                 echo "${HC}ab:abc" >expected &&
 280                 git -c grep.patterntype=extended grep "a+b*c" $H ab >actual &&
 281                 test_cmp expected actual
 282         '
 283
 284         test_expect_success "grep $L with grep.patterntype=fixed" '
 285                 echo "${HC}ab:a+b*c" >expected &&
 286                 git -c grep.patterntype=fixed grep "a+b*c" $H ab >actual &&
 287                 test_cmp expected actual
 288         '
 289
 290         test_expect_success PCRE "grep $L with grep.patterntype=perl" '
 291                 echo "${HC}ab:a+b*c" >expected &&
 292                 git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
 293                 test_cmp expected actual
 294         '
 295
 296         test_expect_success !PCRE "grep $L with grep.patterntype=perl errors without PCRE" '
 297                 test_must_fail git -c grep.patterntype=perl grep "foo.*bar"
 298         '
 299
 300         test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
 301                 echo "${HC}ab:abc" >expected &&
 302                 git \
 303                         -c grep.patternType=default \
 304                         -c grep.extendedRegexp=true \
 305                         grep "a+b*c" $H ab >actual &&
 306                 test_cmp expected actual
 307         '
 308
 309         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
 310                 echo "${HC}ab:abc" >expected &&
 311                 git \
 312                         -c grep.extendedRegexp=true \
 313                         -c grep.patternType=default \
 314                         grep "a+b*c" $H ab >actual &&
 315                 test_cmp expected actual
 316         '
 317
 318         test_expect_success "grep $L with grep.patternType=extended and grep.extendedRegexp=false" '
 319                 echo "${HC}ab:abc" >expected &&
 320                 git \
 321                         -c grep.patternType=extended \
 322                         -c grep.extendedRegexp=false \
 323                         grep "a+b*c" $H ab >actual &&
 324                 test_cmp expected actual
 325         '
 326
 327         test_expect_success "grep $L with grep.patternType=basic and grep.extendedRegexp=true" '
 328                 echo "${HC}ab:a+bc" >expected &&
 329                 git \
 330                         -c grep.patternType=basic \
 331                         -c grep.extendedRegexp=true \
 332                         grep "a+b*c" $H ab >actual &&
 333                 test_cmp expected actual
 334         '
 335
 336         test_expect_success "grep $L with grep.extendedRegexp=false and grep.patternType=extended" '
 337                 echo "${HC}ab:abc" >expected &&
 338                 git \
 339                         -c grep.extendedRegexp=false \
 340                         -c grep.patternType=extended \
 341                         grep "a+b*c" $H ab >actual &&
 342                 test_cmp expected actual
 343         '
 344
 345         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=basic" '
 346                 echo "${HC}ab:a+bc" >expected &&
 347                 git \
 348                         -c grep.extendedRegexp=true \
 349                         -c grep.patternType=basic \
 350                         grep "a+b*c" $H ab >actual &&
 351                 test_cmp expected actual
 352         '
 353
 354         test_expect_success "grep --count $L" '
 355                 echo ${HC}ab:3 >expected &&
 356                 git grep --count -e b $H -- ab >actual &&
 357                 test_cmp expected actual
 358         '
 359
 360         test_expect_success "grep --count -h $L" '
 361                 echo 3 >expected &&
 362                 git grep --count -h -e b $H -- ab >actual &&
 363                 test_cmp expected actual
 364         '
 365 done
 366
 367 cat >expected <<EOF
 368 file
 369 EOF
 370 test_expect_success 'grep -l -C' '
 371         git grep -l -C1 foo >actual &&
 372         test_cmp expected actual
 373 '
 374
 375 cat >expected <<EOF
 376 file:5
 377 EOF
 378 test_expect_success 'grep -c -C' '
 379         git grep -c -C1 foo >actual &&
 380         test_cmp expected actual
 381 '
 382
 383 test_expect_success 'grep -L -C' '
 384         git ls-files >expected &&
 385         git grep -L -C1 nonexistent_string >actual &&
 386         test_cmp expected actual
 387 '
 388
 389 test_expect_success 'grep --files-without-match --quiet' '
 390         git grep --files-without-match --quiet nonexistent_string >actual &&
 391         test_cmp /dev/null actual
 392 '
 393
 394 cat >expected <<EOF
 395 file:foo mmap bar_mmap
 396 EOF
 397
 398 test_expect_success 'grep -e A --and -e B' '
 399         git grep -e "foo mmap" --and -e bar_mmap >actual &&
 400         test_cmp expected actual
 401 '
 402
 403 cat >expected <<EOF
 404 file:foo_mmap bar mmap
 405 file:foo_mmap bar mmap baz
 406 EOF
 407
 408
 409 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 410         git grep \( -e foo_ --or -e baz \) \
 411                 --and -e " mmap" >actual &&
 412         test_cmp expected actual
 413 '
 414
 415 cat >expected <<EOF
 416 file:foo mmap bar
 417 EOF
 418
 419 test_expect_success 'grep -e A --and --not -e B' '
 420         git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 421         test_cmp expected actual
 422 '
 423
 424 test_expect_success 'grep should ignore GREP_OPTIONS' '
 425         GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 426         test_cmp expected actual
 427 '
 428
 429 test_expect_success 'grep -f, non-existent file' '
 430         test_must_fail git grep -f patterns
 431 '
 432
 433 cat >expected <<EOF
 434 file:foo mmap bar
 435 file:foo_mmap bar
 436 file:foo_mmap bar mmap
 437 file:foo mmap bar_mmap
 438 file:foo_mmap bar mmap baz
 439 EOF
 440
 441 cat >pattern <<EOF
 442 mmap
 443 EOF
 444
 445 test_expect_success 'grep -f, one pattern' '
 446         git grep -f pattern >actual &&
 447         test_cmp expected actual
 448 '
 449
 450 cat >expected <<EOF
 451 file:foo mmap bar
 452 file:foo_mmap bar
 453 file:foo_mmap bar mmap
 454 file:foo mmap bar_mmap
 455 file:foo_mmap bar mmap baz
 456 t/a/v:vvv
 457 t/v:vvv
 458 v:vvv
 459 EOF
 460
 461 cat >patterns <<EOF
 462 mmap
 463 vvv
 464 EOF
 465
 466 test_expect_success 'grep -f, multiple patterns' '
 467         git grep -f patterns >actual &&
 468         test_cmp expected actual
 469 '
 470
 471 test_expect_success 'grep, multiple patterns' '
 472         git grep "$(cat patterns)" >actual &&
 473         test_cmp expected actual
 474 '
 475
 476 cat >expected <<EOF
 477 file:foo mmap bar
 478 file:foo_mmap bar
 479 file:foo_mmap bar mmap
 480 file:foo mmap bar_mmap
 481 file:foo_mmap bar mmap baz
 482 t/a/v:vvv
 483 t/v:vvv
 484 v:vvv
 485 EOF
 486
 487 cat >patterns <<EOF
 488
 489 mmap
 490
 491 vvv
 492
 493 EOF
 494
 495 test_expect_success 'grep -f, ignore empty lines' '
 496         git grep -f patterns >actual &&
 497         test_cmp expected actual
 498 '
 499
 500 test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 501         git grep -f - <patterns >actual &&
 502         test_cmp expected actual
 503 '
 504
 505 cat >expected <<EOF
 506 y:y yy
 507 --
 508 z:zzz
 509 EOF
 510
 511 test_expect_success 'grep -q, silently report matches' '
 512         >empty &&
 513         git grep -q mmap >actual &&
 514         test_cmp empty actual &&
 515         test_must_fail git grep -q qfwfq >actual &&
 516         test_cmp empty actual
 517 '
 518
 519 test_expect_success 'grep -C1 hunk mark between files' '
 520         git grep -C1 "^[yz]" >actual &&
 521         test_cmp expected actual
 522 '
 523
 524 test_expect_success 'log grep setup' '
 525         echo a >>file &&
 526         test_tick &&
 527         GIT_AUTHOR_NAME="With * Asterisk" \
 528         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 529         git commit -a -m "second" &&
 530
 531         echo a >>file &&
 532         test_tick &&
 533         git commit -a -m "third" &&
 534
 535         echo a >>file &&
 536         test_tick &&
 537         GIT_AUTHOR_NAME="Night Fall" \
 538         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 539         git commit -a -m "fourth"
 540 '
 541
 542 test_expect_success 'log grep (1)' '
 543         git log --author=author --pretty=tformat:%s >actual &&
 544         {
 545                 echo third && echo initial
 546         } >expect &&
 547         test_cmp expect actual
 548 '
 549
 550 test_expect_success 'log grep (2)' '
 551         git log --author=" * " -F --pretty=tformat:%s >actual &&
 552         {
 553                 echo second
 554         } >expect &&
 555         test_cmp expect actual
 556 '
 557
 558 test_expect_success 'log grep (3)' '
 559         git log --author="^A U" --pretty=tformat:%s >actual &&
 560         {
 561                 echo third && echo initial
 562         } >expect &&
 563         test_cmp expect actual
 564 '
 565
 566 test_expect_success 'log grep (4)' '
 567         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 568         {
 569                 echo second
 570         } >expect &&
 571         test_cmp expect actual
 572 '
 573
 574 test_expect_success 'log grep (5)' '
 575         git log --author=Thor -F --pretty=tformat:%s >actual &&
 576         {
 577                 echo third && echo initial
 578         } >expect &&
 579         test_cmp expect actual
 580 '
 581
 582 test_expect_success 'log grep (6)' '
 583         git log --author=-0700  --pretty=tformat:%s >actual &&
 584         >expect &&
 585         test_cmp expect actual
 586 '
 587
 588 test_expect_success 'log grep (7)' '
 589         git log -g --grep-reflog="commit: third" --pretty=tformat:%s >actual &&
 590         echo third >expect &&
 591         test_cmp expect actual
 592 '
 593
 594 test_expect_success 'log grep (8)' '
 595         git log -g --grep-reflog="commit: third" --grep-reflog="commit: second" --pretty=tformat:%s >actual &&
 596         {
 597                 echo third && echo second
 598         } >expect &&
 599         test_cmp expect actual
 600 '
 601
 602 test_expect_success 'log grep (9)' '
 603         git log -g --grep-reflog="commit: third" --author="Thor" --pretty=tformat:%s >actual &&
 604         echo third >expect &&
 605         test_cmp expect actual
 606 '
 607
 608 test_expect_success 'log grep (9)' '
 609         git log -g --grep-reflog="commit: third" --author="non-existent" --pretty=tformat:%s >actual &&
 610         : >expect &&
 611         test_cmp expect actual
 612 '
 613
 614 test_expect_success 'log --grep-reflog can only be used under -g' '
 615         test_must_fail git log --grep-reflog="commit: third"
 616 '
 617
 618 test_expect_success 'log with multiple --grep uses union' '
 619         git log --grep=i --grep=r --format=%s >actual &&
 620         {
 621                 echo fourth && echo third && echo initial
 622         } >expect &&
 623         test_cmp expect actual
 624 '
 625
 626 test_expect_success 'log --all-match with multiple --grep uses intersection' '
 627         git log --all-match --grep=i --grep=r --format=%s >actual &&
 628         {
 629                 echo third
 630         } >expect &&
 631         test_cmp expect actual
 632 '
 633
 634 test_expect_success 'log with multiple --author uses union' '
 635         git log --author="Thor" --author="Aster" --format=%s >actual &&
 636         {
 637             echo third && echo second && echo initial
 638         } >expect &&
 639         test_cmp expect actual
 640 '
 641
 642 test_expect_success 'log --all-match with multiple --author still uses union' '
 643         git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 644         {
 645             echo third && echo second && echo initial
 646         } >expect &&
 647         test_cmp expect actual
 648 '
 649
 650 test_expect_success 'log --grep --author uses intersection' '
 651         # grep matches only third and fourth
 652         # author matches only initial and third
 653         git log --author="A U Thor" --grep=r --format=%s >actual &&
 654         {
 655                 echo third
 656         } >expect &&
 657         test_cmp expect actual
 658 '
 659
 660 test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 661         # grep matches initial and second but not third
 662         # author matches only initial and third
 663         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 664         {
 665                 echo initial
 666         } >expect &&
 667         test_cmp expect actual
 668 '
 669
 670 test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
 671         # grep matches only initial and third
 672         # author matches all but second
 673         git log --all-match --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 674         {
 675             echo third && echo initial
 676         } >expect &&
 677         test_cmp expect actual
 678 '
 679
 680 test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
 681         # grep matches only initial and third
 682         # author matches all but second
 683         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 684         {
 685             echo third && echo initial
 686         } >expect &&
 687         test_cmp expect actual
 688 '
 689
 690 test_expect_success 'log --all-match --grep --grep --author takes intersection' '
 691         # grep matches only third
 692         # author matches only initial and third
 693         git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
 694         {
 695                 echo third
 696         } >expect &&
 697         test_cmp expect actual
 698 '
 699
 700 test_expect_success 'log --author does not search in timestamp' '
 701         : >expect &&
 702         git log --author="$GIT_AUTHOR_DATE" >actual &&
 703         test_cmp expect actual
 704 '
 705
 706 test_expect_success 'log --committer does not search in timestamp' '
 707         : >expect &&
 708         git log --committer="$GIT_COMMITTER_DATE" >actual &&
 709         test_cmp expect actual
 710 '
 711
 712 test_expect_success 'grep with CE_VALID file' '
 713         git update-index --assume-unchanged t/t &&
 714         rm t/t &&
 715         test "$(git grep test)" = "t/t:test" &&
 716         git update-index --no-assume-unchanged t/t &&
 717         git checkout t/t
 718 '
 719
 720 cat >expected <<EOF
 721 hello.c=#include <stdio.h>
 722 hello.c:        return 0;
 723 EOF
 724
 725 test_expect_success 'grep -p with userdiff' '
 726         git config diff.custom.funcname "^#" &&
 727         echo "hello.c diff=custom" >.gitattributes &&
 728         git grep -p return >actual &&
 729         test_cmp expected actual
 730 '
 731
 732 cat >expected <<EOF
 733 hello.c=int main(int argc, const char **argv)
 734 hello.c:        return 0;
 735 EOF
 736
 737 test_expect_success 'grep -p' '
 738         rm -f .gitattributes &&
 739         git grep -p return >actual &&
 740         test_cmp expected actual
 741 '
 742
 743 cat >expected <<EOF
 744 hello.c-#include <stdio.h>
 745 hello.c-
 746 hello.c=int main(int argc, const char **argv)
 747 hello.c-{
 748 hello.c-        printf("Hello world.\n");
 749 hello.c:        return 0;
 750 EOF
 751
 752 test_expect_success 'grep -p -B5' '
 753         git grep -p -B5 return >actual &&
 754         test_cmp expected actual
 755 '
 756
 757 cat >expected <<EOF
 758 hello.c=int main(int argc, const char **argv)
 759 hello.c-{
 760 hello.c-        printf("Hello world.\n");
 761 hello.c:        return 0;
 762 hello.c-        /* char ?? */
 763 hello.c-}
 764 EOF
 765
 766 test_expect_success 'grep -W' '
 767         git grep -W return >actual &&
 768         test_cmp expected actual
 769 '
 770
 771 cat >expected <<EOF
 772 hello.c-#include <assert.h>
 773 hello.c:#include <stdio.h>
 774 EOF
 775
 776 test_expect_success 'grep -W shows no trailing empty lines' '
 777         git grep -W stdio >actual &&
 778         test_cmp expected actual
 779 '
 780
 781 test_expect_success 'grep -W with userdiff' '
 782         test_when_finished "rm -f .gitattributes" &&
 783         git config diff.custom.xfuncname "^function .*$" &&
 784         echo "hello.ps1 diff=custom" >.gitattributes &&
 785         git grep -W echo >function-context-userdiff-actual
 786 '
 787
 788 test_expect_success ' includes preceding comment' '
 789         grep "# Say hello" function-context-userdiff-actual
 790 '
 791
 792 test_expect_success ' includes function line' '
 793         grep "=function hello" function-context-userdiff-actual
 794 '
 795
 796 test_expect_success ' includes matching line' '
 797         grep ":  echo" function-context-userdiff-actual
 798 '
 799
 800 test_expect_success ' includes last line of the function' '
 801         grep "} # hello" function-context-userdiff-actual
 802 '
 803
 804 for threads in $(test_seq 0 10)
 805 do
 806         test_expect_success "grep --threads=$threads & -c grep.threads=$threads" "
 807                 git grep --threads=$threads . >actual.$threads &&
 808                 if test $threads -ge 1
 809                 then
 810                         test_cmp actual.\$(($threads - 1)) actual.$threads
 811                 fi &&
 812                 git -c grep.threads=$threads grep . >actual.$threads &&
 813                 if test $threads -ge 1
 814                 then
 815                         test_cmp actual.\$(($threads - 1)) actual.$threads
 816                 fi
 817         "
 818 done
 819
 820 test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'grep --threads=N or pack.threads=N warns when no pthreads' '
 821         git grep --threads=2 Hello hello_world 2>err &&
 822         grep ^warning: err >warnings &&
 823         test_line_count = 1 warnings &&
 824         grep -F "no threads support, ignoring --threads" err &&
 825         git -c grep.threads=2 grep Hello hello_world 2>err &&
 826         grep ^warning: err >warnings &&
 827         test_line_count = 1 warnings &&
 828         grep -F "no threads support, ignoring grep.threads" err &&
 829         git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
 830         grep ^warning: err >warnings &&
 831         test_line_count = 2 warnings &&
 832         grep -F "no threads support, ignoring --threads" err &&
 833         grep -F "no threads support, ignoring grep.threads" err &&
 834         git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
 835         test_line_count = 0 err
 836 '
 837
 838 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 839         mkdir -p s &&
 840         (
 841                 cd s && git grep "x x x" ..
 842         )
 843 '
 844
 845 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 846         mkdir -p s &&
 847         (
 848                 cd s || exit 1
 849                 ( git grep xxyyzz .. >out ; echo $? >status )
 850                 ! test -s out &&
 851                 test 1 = $(cat status)
 852         )
 853 '
 854
 855 cat >expected <<EOF
 856 hello.c:int main(int argc, const char **argv)
 857 EOF
 858
 859 test_expect_success 'grep -Fi' '
 860         git grep -Fi "CHAR *" >actual &&
 861         test_cmp expected actual
 862 '
 863
 864 test_expect_success 'outside of git repository' '
 865         rm -fr non &&
 866         mkdir -p non/git/sub &&
 867         echo hello >non/git/file1 &&
 868         echo world >non/git/sub/file2 &&
 869         {
 870                 echo file1:hello &&
 871                 echo sub/file2:world
 872         } >non/expect.full &&
 873         echo file2:world >non/expect.sub &&
 874         (
 875                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 876                 export GIT_CEILING_DIRECTORIES &&
 877                 cd non/git &&
 878                 test_must_fail git grep o &&
 879                 git grep --no-index o >../actual.full &&
 880                 test_cmp ../expect.full ../actual.full &&
 881                 cd sub &&
 882                 test_must_fail git grep o &&
 883                 git grep --no-index o >../../actual.sub &&
 884                 test_cmp ../../expect.sub ../../actual.sub
 885         ) &&
 886
 887         echo ".*o*" >non/git/.gitignore &&
 888         (
 889                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 890                 export GIT_CEILING_DIRECTORIES &&
 891                 cd non/git &&
 892                 test_must_fail git grep o &&
 893                 git grep --no-index --exclude-standard o >../actual.full &&
 894                 test_cmp ../expect.full ../actual.full &&
 895
 896                 {
 897                         echo ".gitignore:.*o*" &&
 898                         cat ../expect.full
 899                 } >../expect.with.ignored &&
 900                 git grep --no-index --no-exclude o >../actual.full &&
 901                 test_cmp ../expect.with.ignored ../actual.full
 902         )
 903 '
 904
 905 test_expect_success 'outside of git repository with fallbackToNoIndex' '
 906         rm -fr non &&
 907         mkdir -p non/git/sub &&
 908         echo hello >non/git/file1 &&
 909         echo world >non/git/sub/file2 &&
 910         cat <<-\EOF >non/expect.full &&
 911         file1:hello
 912         sub/file2:world
 913         EOF
 914         echo file2:world >non/expect.sub &&
 915         (
 916                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 917                 export GIT_CEILING_DIRECTORIES &&
 918                 cd non/git &&
 919                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
 920                 git -c grep.fallbackToNoIndex=true grep o >../actual.full &&
 921                 test_cmp ../expect.full ../actual.full &&
 922                 cd sub &&
 923                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
 924                 git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
 925                 test_cmp ../../expect.sub ../../actual.sub
 926         ) &&
 927
 928         echo ".*o*" >non/git/.gitignore &&
 929         (
 930                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 931                 export GIT_CEILING_DIRECTORIES &&
 932                 cd non/git &&
 933                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
 934                 git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
 935                 test_cmp ../expect.full ../actual.full &&
 936
 937                 {
 938                         echo ".gitignore:.*o*" &&
 939                         cat ../expect.full
 940                 } >../expect.with.ignored &&
 941                 git -c grep.fallbackToNoIndex grep --no-exclude o >../actual.full &&
 942                 test_cmp ../expect.with.ignored ../actual.full
 943         )
 944 '
 945
 946 test_expect_success 'inside git repository but with --no-index' '
 947         rm -fr is &&
 948         mkdir -p is/git/sub &&
 949         echo hello >is/git/file1 &&
 950         echo world >is/git/sub/file2 &&
 951         echo ".*o*" >is/git/.gitignore &&
 952         {
 953                 echo file1:hello &&
 954                 echo sub/file2:world
 955         } >is/expect.unignored &&
 956         {
 957                 echo ".gitignore:.*o*" &&
 958                 cat is/expect.unignored
 959         } >is/expect.full &&
 960         : >is/expect.empty &&
 961         echo file2:world >is/expect.sub &&
 962         (
 963                 cd is/git &&
 964                 git init &&
 965                 test_must_fail git grep o >../actual.full &&
 966                 test_cmp ../expect.empty ../actual.full &&
 967
 968                 git grep --untracked o >../actual.unignored &&
 969                 test_cmp ../expect.unignored ../actual.unignored &&
 970
 971                 git grep --no-index o >../actual.full &&
 972                 test_cmp ../expect.full ../actual.full &&
 973
 974                 git grep --no-index --exclude-standard o >../actual.unignored &&
 975                 test_cmp ../expect.unignored ../actual.unignored &&
 976
 977                 cd sub &&
 978                 test_must_fail git grep o >../../actual.sub &&
 979                 test_cmp ../../expect.empty ../../actual.sub &&
 980
 981                 git grep --no-index o >../../actual.sub &&
 982                 test_cmp ../../expect.sub ../../actual.sub &&
 983
 984                 git grep --untracked o >../../actual.sub &&
 985                 test_cmp ../../expect.sub ../../actual.sub
 986         )
 987 '
 988
 989 test_expect_success 'grep --no-index descends into repos, but not .git' '
 990         rm -fr non &&
 991         mkdir -p non/git &&
 992         (
 993                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 994                 export GIT_CEILING_DIRECTORIES &&
 995                 cd non/git &&
 996
 997                 echo magic >file &&
 998                 git init repo &&
 999                 (
1000                         cd repo &&
1001                         echo magic >file &&
1002                         git add file &&
1003                         git commit -m foo &&
1004                         echo magic >.git/file
1005                 ) &&
1006
1007                 cat >expect <<-\EOF &&
1008                 file
1009                 repo/file
1010                 EOF
1011                 git grep -l --no-index magic >actual &&
1012                 test_cmp expect actual
1013         )
1014 '
1015
1016 test_expect_success 'setup double-dash tests' '
1017 cat >double-dash <<EOF &&
1018 --
1019 ->
1020 other
1021 EOF
1022 git add double-dash
1023 '
1024
1025 cat >expected <<EOF
1026 double-dash:->
1027 EOF
1028 test_expect_success 'grep -- pattern' '
1029         git grep -- "->" >actual &&
1030         test_cmp expected actual
1031 '
1032 test_expect_success 'grep -- pattern -- pathspec' '
1033         git grep -- "->" -- double-dash >actual &&
1034         test_cmp expected actual
1035 '
1036 test_expect_success 'grep -e pattern -- path' '
1037         git grep -e "->" -- double-dash >actual &&
1038         test_cmp expected actual
1039 '
1040
1041 cat >expected <<EOF
1042 double-dash:--
1043 EOF
1044 test_expect_success 'grep -e -- -- path' '
1045         git grep -e -- -- double-dash >actual &&
1046         test_cmp expected actual
1047 '
1048
1049 test_expect_success 'dashdash disambiguates rev as rev' '
1050         test_when_finished "rm -f master" &&
1051         echo content >master &&
1052         echo master:hello.c >expect &&
1053         git grep -l o master -- hello.c >actual &&
1054         test_cmp expect actual
1055 '
1056
1057 test_expect_success 'dashdash disambiguates pathspec as pathspec' '
1058         test_when_finished "git rm -f master" &&
1059         echo content >master &&
1060         git add master &&
1061         echo master:content >expect &&
1062         git grep o -- master >actual &&
1063         test_cmp expect actual
1064 '
1065
1066 test_expect_success 'report bogus arg without dashdash' '
1067         test_must_fail git grep o does-not-exist
1068 '
1069
1070 test_expect_success 'report bogus rev with dashdash' '
1071         test_must_fail git grep o hello.c --
1072 '
1073
1074 test_expect_success 'allow non-existent path with dashdash' '
1075         # We need a real match so grep exits with success.
1076         tree=$(git ls-tree HEAD |
1077                sed s/hello.c/not-in-working-tree/ |
1078                git mktree) &&
1079         git grep o "$tree" -- not-in-working-tree
1080 '
1081
1082 test_expect_success 'grep --no-index pattern -- path' '
1083         rm -fr non &&
1084         mkdir -p non/git &&
1085         (
1086                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1087                 export GIT_CEILING_DIRECTORIES &&
1088                 cd non/git &&
1089                 echo hello >hello &&
1090                 echo goodbye >goodbye &&
1091                 echo hello:hello >expect &&
1092                 git grep --no-index o -- hello >actual &&
1093                 test_cmp expect actual
1094         )
1095 '
1096
1097 test_expect_success 'grep --no-index complains of revs' '
1098         test_must_fail git grep --no-index o master -- 2>err &&
1099         test_i18ngrep "cannot be used with revs" err
1100 '
1101
1102 test_expect_success 'grep --no-index prefers paths to revs' '
1103         test_when_finished "rm -f master" &&
1104         echo content >master &&
1105         echo master:content >expect &&
1106         git grep --no-index o master >actual &&
1107         test_cmp expect actual
1108 '
1109
1110 test_expect_success 'grep --no-index does not "diagnose" revs' '
1111         test_must_fail git grep --no-index o :1:hello.c 2>err &&
1112         test_i18ngrep ! -i "did you mean" err
1113 '
1114
1115 cat >expected <<EOF
1116 hello.c:int main(int argc, const char **argv)
1117 hello.c:        printf("Hello world.\n");
1118 EOF
1119
1120 test_expect_success PCRE 'grep --perl-regexp pattern' '
1121         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1122         test_cmp expected actual
1123 '
1124
1125 test_expect_success !PCRE 'grep --perl-regexp pattern errors without PCRE' '
1126         test_must_fail git grep --perl-regexp "foo.*bar"
1127 '
1128
1129 test_expect_success PCRE 'grep -P pattern' '
1130         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1131         test_cmp expected actual
1132 '
1133
1134 test_expect_success !PCRE 'grep -P pattern errors without PCRE' '
1135         test_must_fail git grep -P "foo.*bar"
1136 '
1137
1138 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
1139         >empty &&
1140         test_must_fail git -c grep.extendedregexp=true \
1141                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1142         test_cmp empty actual
1143 '
1144
1145 test_expect_success PCRE 'grep -P pattern with grep.extendedRegexp=true' '
1146         git -c grep.extendedregexp=true \
1147                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1148         test_cmp expected actual
1149 '
1150
1151 test_expect_success PCRE 'grep -P -v pattern' '
1152         {
1153                 echo "ab:a+b*c"
1154                 echo "ab:a+bc"
1155         } >expected &&
1156         git grep -P -v "abc" ab >actual &&
1157         test_cmp expected actual
1158 '
1159
1160 test_expect_success PCRE 'grep -P -i pattern' '
1161         cat >expected <<-EOF &&
1162         hello.c:        printf("Hello world.\n");
1163         EOF
1164         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
1165         test_cmp expected actual
1166 '
1167
1168 test_expect_success PCRE 'grep -P -w pattern' '
1169         {
1170                 echo "hello_world:Hello world"
1171                 echo "hello_world:HeLLo world"
1172         } >expected &&
1173         git grep -P -w "He((?i)ll)o" hello_world >actual &&
1174         test_cmp expected actual
1175 '
1176
1177 test_expect_success PCRE 'grep -P backreferences work (the PCRE NO_AUTO_CAPTURE flag is not set)' '
1178         git grep -P -h "(?P<one>.)(?P=one)" hello_world >actual &&
1179         test_cmp hello_world actual &&
1180         git grep -P -h "(.)\1" hello_world >actual &&
1181         test_cmp hello_world actual
1182 '
1183
1184 test_expect_success 'grep -G invalidpattern properly dies ' '
1185         test_must_fail git grep -G "a["
1186 '
1187
1188 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
1189         test_must_fail git -c grep.patterntype=basic grep "a["
1190 '
1191
1192 test_expect_success 'grep -E invalidpattern properly dies ' '
1193         test_must_fail git grep -E "a["
1194 '
1195
1196 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
1197         test_must_fail git -c grep.patterntype=extended grep "a["
1198 '
1199
1200 test_expect_success PCRE 'grep -P invalidpattern properly dies ' '
1201         test_must_fail git grep -P "a["
1202 '
1203
1204 test_expect_success PCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
1205         test_must_fail git -c grep.patterntype=perl grep "a["
1206 '
1207
1208 test_expect_success 'grep -G -E -F pattern' '
1209         echo "ab:a+b*c" >expected &&
1210         git grep -G -E -F "a+b*c" ab >actual &&
1211         test_cmp expected actual
1212 '
1213
1214 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
1215         echo "ab:a+b*c" >expected &&
1216         git \
1217                 -c grep.patterntype=basic \
1218                 -c grep.patterntype=extended \
1219                 -c grep.patterntype=fixed \
1220                 grep "a+b*c" ab >actual &&
1221         test_cmp expected actual
1222 '
1223
1224 test_expect_success 'grep -E -F -G pattern' '
1225         echo "ab:a+bc" >expected &&
1226         git grep -E -F -G "a+b*c" ab >actual &&
1227         test_cmp expected actual
1228 '
1229
1230 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
1231         echo "ab:a+bc" >expected &&
1232         git \
1233                 -c grep.patterntype=extended \
1234                 -c grep.patterntype=fixed \
1235                 -c grep.patterntype=basic \
1236                 grep "a+b*c" ab >actual &&
1237         test_cmp expected actual
1238 '
1239
1240 test_expect_success 'grep -F -G -E pattern' '
1241         echo "ab:abc" >expected &&
1242         git grep -F -G -E "a+b*c" ab >actual &&
1243         test_cmp expected actual
1244 '
1245
1246 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
1247         echo "ab:abc" >expected &&
1248         git \
1249                 -c grep.patterntype=fixed \
1250                 -c grep.patterntype=basic \
1251                 -c grep.patterntype=extended \
1252                 grep "a+b*c" ab >actual &&
1253         test_cmp expected actual
1254 '
1255
1256 test_expect_success 'grep -G -F -P -E pattern' '
1257         echo "d0:d" >expected &&
1258         git grep -G -F -P -E "[\d]" d0 >actual &&
1259         test_cmp expected actual
1260 '
1261
1262 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
1263         echo "d0:d" >expected &&
1264         git \
1265                 -c grep.patterntype=fixed \
1266                 -c grep.patterntype=basic \
1267                 -c grep.patterntype=perl \
1268                 -c grep.patterntype=extended \
1269                 grep "[\d]" d0 >actual &&
1270         test_cmp expected actual
1271 '
1272
1273 test_expect_success PCRE 'grep -G -F -E -P pattern' '
1274         echo "d0:0" >expected &&
1275         git grep -G -F -E -P "[\d]" d0 >actual &&
1276         test_cmp expected actual
1277 '
1278
1279 test_expect_success PCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
1280         echo "d0:0" >expected &&
1281         git \
1282                 -c grep.patterntype=fixed \
1283                 -c grep.patterntype=basic \
1284                 -c grep.patterntype=extended \
1285                 -c grep.patterntype=perl \
1286                 grep "[\d]" d0 >actual &&
1287         test_cmp expected actual
1288 '
1289
1290 test_expect_success PCRE 'grep -P pattern with grep.patternType=fixed' '
1291         echo "ab:a+b*c" >expected &&
1292         git \
1293                 -c grep.patterntype=fixed \
1294                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
1295         test_cmp expected actual
1296 '
1297
1298 test_expect_success 'grep -F pattern with grep.patternType=basic' '
1299         echo "ab:a+b*c" >expected &&
1300         git \
1301                 -c grep.patterntype=basic \
1302                 grep -F "*c" ab >actual &&
1303         test_cmp expected actual
1304 '
1305
1306 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
1307         {
1308                 echo "ab:a+b*c"
1309                 echo "ab:a+bc"
1310         } >expected &&
1311         git \
1312                 -c grep.patterntype=fixed \
1313                 grep -G "a+b" ab >actual &&
1314         test_cmp expected actual
1315 '
1316
1317 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
1318         {
1319                 echo "ab:a+b*c"
1320                 echo "ab:a+bc"
1321                 echo "ab:abc"
1322         } >expected &&
1323         git \
1324                 -c grep.patterntype=fixed \
1325                 grep -E "a+" ab >actual &&
1326         test_cmp expected actual
1327 '
1328
1329 cat >expected <<EOF
1330 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1331 hello.c<RED>-<RESET>{
1332 <RED>--<RESET>
1333 hello.c<RED>:<RESET>    /* char ?? */
1334 hello.c<RED>-<RESET>}
1335 <RED>--<RESET>
1336 hello_world<RED>:<RESET>Hello_world
1337 hello_world<RED>-<RESET>HeLLo_world
1338 EOF
1339
1340 test_expect_success 'grep --color, separator' '
1341         test_config color.grep.context          normal &&
1342         test_config color.grep.filename         normal &&
1343         test_config color.grep.function         normal &&
1344         test_config color.grep.linenumber       normal &&
1345         test_config color.grep.match            normal &&
1346         test_config color.grep.selected         normal &&
1347         test_config color.grep.separator        red &&
1348
1349         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1350         test_decode_color >actual &&
1351         test_cmp expected actual
1352 '
1353
1354 cat >expected <<EOF
1355 hello.c:int main(int argc, const char **argv)
1356 hello.c:        /* char ?? */
1357
1358 hello_world:Hello_world
1359 EOF
1360
1361 test_expect_success 'grep --break' '
1362         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1363         test_cmp expected actual
1364 '
1365
1366 cat >expected <<EOF
1367 hello.c:int main(int argc, const char **argv)
1368 hello.c-{
1369 --
1370 hello.c:        /* char ?? */
1371 hello.c-}
1372
1373 hello_world:Hello_world
1374 hello_world-HeLLo_world
1375 EOF
1376
1377 test_expect_success 'grep --break with context' '
1378         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1379         test_cmp expected actual
1380 '
1381
1382 cat >expected <<EOF
1383 hello.c
1384 int main(int argc, const char **argv)
1385         /* char ?? */
1386 hello_world
1387 Hello_world
1388 EOF
1389
1390 test_expect_success 'grep --heading' '
1391         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1392         test_cmp expected actual
1393 '
1394
1395 cat >expected <<EOF
1396 <BOLD;GREEN>hello.c<RESET>
1397 4:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1398 8:      /* <BLACK;BYELLOW>char<RESET> ?? */
1399
1400 <BOLD;GREEN>hello_world<RESET>
1401 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1402 EOF
1403
1404 test_expect_success 'mimic ack-grep --group' '
1405         test_config color.grep.context          normal &&
1406         test_config color.grep.filename         "bold green" &&
1407         test_config color.grep.function         normal &&
1408         test_config color.grep.linenumber       normal &&
1409         test_config color.grep.match            "black yellow" &&
1410         test_config color.grep.selected         normal &&
1411         test_config color.grep.separator        normal &&
1412
1413         git grep --break --heading -n --color \
1414                 -e char -e lo_w hello.c hello_world |
1415         test_decode_color >actual &&
1416         test_cmp expected actual
1417 '
1418
1419 cat >expected <<EOF
1420 space: line with leading space1
1421 space: line with leading space2
1422 space: line with leading space3
1423 EOF
1424
1425 test_expect_success PCRE 'grep -E "^ "' '
1426         git grep -E "^ " space >actual &&
1427         test_cmp expected actual
1428 '
1429
1430 test_expect_success PCRE 'grep -P "^ "' '
1431         git grep -P "^ " space >actual &&
1432         test_cmp expected actual
1433 '
1434
1435 cat >expected <<EOF
1436 space-line without leading space1
1437 space: line <RED>with <RESET>leading space1
1438 space: line <RED>with <RESET>leading <RED>space2<RESET>
1439 space: line <RED>with <RESET>leading space3
1440 space:line without leading <RED>space2<RESET>
1441 EOF
1442
1443 test_expect_success 'grep --color -e A -e B with context' '
1444         test_config color.grep.context          normal &&
1445         test_config color.grep.filename         normal &&
1446         test_config color.grep.function         normal &&
1447         test_config color.grep.linenumber       normal &&
1448         test_config color.grep.matchContext     normal &&
1449         test_config color.grep.matchSelected    red &&
1450         test_config color.grep.selected         normal &&
1451         test_config color.grep.separator        normal &&
1452
1453         git grep --color=always -C2 -e "with " -e space2  space |
1454         test_decode_color >actual &&
1455         test_cmp expected actual
1456 '
1457
1458 cat >expected <<EOF
1459 space-line without leading space1
1460 space- line with leading space1
1461 space: line <RED>with <RESET>leading <RED>space2<RESET>
1462 space- line with leading space3
1463 space-line without leading space2
1464 EOF
1465
1466 test_expect_success 'grep --color -e A --and -e B with context' '
1467         test_config color.grep.context          normal &&
1468         test_config color.grep.filename         normal &&
1469         test_config color.grep.function         normal &&
1470         test_config color.grep.linenumber       normal &&
1471         test_config color.grep.matchContext     normal &&
1472         test_config color.grep.matchSelected    red &&
1473         test_config color.grep.selected         normal &&
1474         test_config color.grep.separator        normal &&
1475
1476         git grep --color=always -C2 -e "with " --and -e space2  space |
1477         test_decode_color >actual &&
1478         test_cmp expected actual
1479 '
1480
1481 cat >expected <<EOF
1482 space-line without leading space1
1483 space: line <RED>with <RESET>leading space1
1484 space- line with leading space2
1485 space: line <RED>with <RESET>leading space3
1486 space-line without leading space2
1487 EOF
1488
1489 test_expect_success 'grep --color -e A --and --not -e B with context' '
1490         test_config color.grep.context          normal &&
1491         test_config color.grep.filename         normal &&
1492         test_config color.grep.function         normal &&
1493         test_config color.grep.linenumber       normal &&
1494         test_config color.grep.matchContext     normal &&
1495         test_config color.grep.matchSelected    red &&
1496         test_config color.grep.selected         normal &&
1497         test_config color.grep.separator        normal &&
1498
1499         git grep --color=always -C2 -e "with " --and --not -e space2  space |
1500         test_decode_color >actual &&
1501         test_cmp expected actual
1502 '
1503
1504 cat >expected <<EOF
1505 hello.c-
1506 hello.c=int main(int argc, const char **argv)
1507 hello.c-{
1508 hello.c:        pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
1509 hello.c-        return 0;
1510 hello.c-        /* char ?? */
1511 hello.c-}
1512 EOF
1513
1514 test_expect_success 'grep --color -e A --and -e B -p with context' '
1515         test_config color.grep.context          normal &&
1516         test_config color.grep.filename         normal &&
1517         test_config color.grep.function         normal &&
1518         test_config color.grep.linenumber       normal &&
1519         test_config color.grep.matchContext     normal &&
1520         test_config color.grep.matchSelected    red &&
1521         test_config color.grep.selected         normal &&
1522         test_config color.grep.separator        normal &&
1523
1524         git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
1525         test_decode_color >actual &&
1526         test_cmp expected actual
1527 '
1528
1529 test_expect_success 'grep can find things only in the work tree' '
1530         : >work-tree-only &&
1531         git add work-tree-only &&
1532         test_when_finished "git rm -f work-tree-only" &&
1533         echo "find in work tree" >work-tree-only &&
1534         git grep --quiet "find in work tree" &&
1535         test_must_fail git grep --quiet --cached "find in work tree" &&
1536         test_must_fail git grep --quiet "find in work tree" HEAD
1537 '
1538
1539 test_expect_success 'grep can find things only in the work tree (i-t-a)' '
1540         echo "intend to add this" >intend-to-add &&
1541         git add -N intend-to-add &&
1542         test_when_finished "git rm -f intend-to-add" &&
1543         git grep --quiet "intend to add this" &&
1544         test_must_fail git grep --quiet --cached "intend to add this" &&
1545         test_must_fail git grep --quiet "intend to add this" HEAD
1546 '
1547
1548 test_expect_success 'grep does not search work tree with assume unchanged' '
1549         echo "intend to add this" >intend-to-add &&
1550         git add -N intend-to-add &&
1551         git update-index --assume-unchanged intend-to-add &&
1552         test_when_finished "git rm -f intend-to-add" &&
1553         test_must_fail git grep --quiet "intend to add this" &&
1554         test_must_fail git grep --quiet --cached "intend to add this" &&
1555         test_must_fail git grep --quiet "intend to add this" HEAD
1556 '
1557
1558 test_expect_success 'grep can find things only in the index' '
1559         echo "only in the index" >cache-this &&
1560         git add cache-this &&
1561         rm cache-this &&
1562         test_when_finished "git rm --cached cache-this" &&
1563         test_must_fail git grep --quiet "only in the index" &&
1564         git grep --quiet --cached "only in the index" &&
1565         test_must_fail git grep --quiet "only in the index" HEAD
1566 '
1567
1568 test_expect_success 'grep does not report i-t-a with -L --cached' '
1569         echo "intend to add this" >intend-to-add &&
1570         git add -N intend-to-add &&
1571         test_when_finished "git rm -f intend-to-add" &&
1572         git ls-files | grep -v "^intend-to-add\$" >expected &&
1573         git grep -L --cached "nonexistent_string" >actual &&
1574         test_cmp expected actual
1575 '
1576
1577 test_expect_success 'grep does not report i-t-a and assume unchanged with -L' '
1578         echo "intend to add this" >intend-to-add-assume-unchanged &&
1579         git add -N intend-to-add-assume-unchanged &&
1580         test_when_finished "git rm -f intend-to-add-assume-unchanged" &&
1581         git update-index --assume-unchanged intend-to-add-assume-unchanged &&
1582         git ls-files | grep -v "^intend-to-add-assume-unchanged\$" >expected &&
1583         git grep -L "nonexistent_string" >actual &&
1584         test_cmp expected actual
1585 '
1586
1587 test_done