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