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 <stdio.h>
  13 int main(int argc, const char **argv)
  14 {
  15         printf("Hello world.\n");
  16         return 0;
  17         /* char ?? */
  18 }
  19 EOF
  20
  21 test_expect_success setup '
  22         {
  23                 echo foo mmap bar
  24                 echo foo_mmap bar
  25                 echo foo_mmap bar mmap
  26                 echo foo mmap bar_mmap
  27                 echo foo_mmap bar mmap baz
  28         } >file &&
  29         {
  30                 echo Hello world
  31                 echo HeLLo world
  32                 echo Hello_world
  33                 echo HeLLo_world
  34         } >hello_world &&
  35         {
  36                 echo "a+b*c"
  37                 echo "a+bc"
  38                 echo "abc"
  39         } >ab &&
  40         echo vvv >v &&
  41         echo ww w >w &&
  42         echo x x xx x >x &&
  43         echo y yy >y &&
  44         echo zzz > z &&
  45         mkdir t &&
  46         echo test >t/t &&
  47         echo vvv >t/v &&
  48         mkdir t/a &&
  49         echo vvv >t/a/v &&
  50         {
  51                 echo "line without leading space1"
  52                 echo " line with leading space1"
  53                 echo " line with leading space2"
  54                 echo " line with leading space3"
  55                 echo "line without leading space2"
  56         } >space &&
  57         git add . &&
  58         test_tick &&
  59         git commit -m initial
  60 '
  61
  62 test_expect_success 'grep should not segfault with a bad input' '
  63         test_must_fail git grep "("
  64 '
  65
  66 for H in HEAD ''
  67 do
  68         case "$H" in
  69         HEAD)   HC='HEAD:' L='HEAD' ;;
  70         '')     HC= L='in working tree' ;;
  71         esac
  72
  73         test_expect_success "grep -w $L" '
  74                 {
  75                         echo ${HC}file:1:foo mmap bar
  76                         echo ${HC}file:3:foo_mmap bar mmap
  77                         echo ${HC}file:4:foo mmap bar_mmap
  78                         echo ${HC}file:5:foo_mmap bar mmap baz
  79                 } >expected &&
  80                 git -c grep.linenumber=false grep -n -w -e mmap $H >actual &&
  81                 test_cmp expected actual
  82         '
  83
  84         test_expect_success "grep -w $L" '
  85                 {
  86                         echo ${HC}file:1:foo mmap bar
  87                         echo ${HC}file:3:foo_mmap bar mmap
  88                         echo ${HC}file:4:foo mmap bar_mmap
  89                         echo ${HC}file:5:foo_mmap bar mmap baz
  90                 } >expected &&
  91                 git -c grep.linenumber=true grep -w -e mmap $H >actual &&
  92                 test_cmp expected actual
  93         '
  94
  95         test_expect_success "grep -w $L" '
  96                 {
  97                         echo ${HC}file:foo mmap bar
  98                         echo ${HC}file:foo_mmap bar mmap
  99                         echo ${HC}file:foo mmap bar_mmap
 100                         echo ${HC}file:foo_mmap bar mmap baz
 101                 } >expected &&
 102                 git -c grep.linenumber=true grep --no-line-number -w -e mmap $H >actual &&
 103                 test_cmp expected actual
 104         '
 105
 106         test_expect_success "grep -w $L (w)" '
 107                 : >expected &&
 108                 test_must_fail git grep -n -w -e "^w" >actual &&
 109                 test_cmp expected actual
 110         '
 111
 112         test_expect_success "grep -w $L (x)" '
 113                 {
 114                         echo ${HC}x:1:x x xx x
 115                 } >expected &&
 116                 git grep -n -w -e "x xx* x" $H >actual &&
 117                 test_cmp expected actual
 118         '
 119
 120         test_expect_success "grep -w $L (y-1)" '
 121                 {
 122                         echo ${HC}y:1:y yy
 123                 } >expected &&
 124                 git grep -n -w -e "^y" $H >actual &&
 125                 test_cmp expected actual
 126         '
 127
 128         test_expect_success "grep -w $L (y-2)" '
 129                 : >expected &&
 130                 if git grep -n -w -e "^y y" $H >actual
 131                 then
 132                         echo should not have matched
 133                         cat actual
 134                         false
 135                 else
 136                         test_cmp expected actual
 137                 fi
 138         '
 139
 140         test_expect_success "grep -w $L (z)" '
 141                 : >expected &&
 142                 if git grep -n -w -e "^z" $H >actual
 143                 then
 144                         echo should not have matched
 145                         cat actual
 146                         false
 147                 else
 148                         test_cmp expected actual
 149                 fi
 150         '
 151
 152         test_expect_success "grep $L (t-1)" '
 153                 echo "${HC}t/t:1:test" >expected &&
 154                 git grep -n -e test $H >actual &&
 155                 test_cmp expected actual
 156         '
 157
 158         test_expect_success "grep $L (t-2)" '
 159                 echo "${HC}t:1:test" >expected &&
 160                 (
 161                         cd t &&
 162                         git grep -n -e test $H
 163                 ) >actual &&
 164                 test_cmp expected actual
 165         '
 166
 167         test_expect_success "grep $L (t-3)" '
 168                 echo "${HC}t/t:1:test" >expected &&
 169                 (
 170                         cd t &&
 171                         git grep --full-name -n -e test $H
 172                 ) >actual &&
 173                 test_cmp expected actual
 174         '
 175
 176         test_expect_success "grep -c $L (no /dev/null)" '
 177                 ! git grep -c test $H | grep /dev/null
 178         '
 179
 180         test_expect_success "grep --max-depth -1 $L" '
 181                 {
 182                         echo ${HC}t/a/v:1:vvv
 183                         echo ${HC}t/v:1:vvv
 184                         echo ${HC}v:1:vvv
 185                 } >expected &&
 186                 git grep --max-depth -1 -n -e vvv $H >actual &&
 187                 test_cmp expected actual
 188         '
 189
 190         test_expect_success "grep --max-depth 0 $L" '
 191                 {
 192                         echo ${HC}v:1:vvv
 193                 } >expected &&
 194                 git grep --max-depth 0 -n -e vvv $H >actual &&
 195                 test_cmp expected actual
 196         '
 197
 198         test_expect_success "grep --max-depth 0 -- '*' $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 0 -n -e vvv $H -- "*" >actual &&
 205                 test_cmp expected actual
 206         '
 207
 208         test_expect_success "grep --max-depth 1 $L" '
 209                 {
 210                         echo ${HC}t/v:1:vvv
 211                         echo ${HC}v:1:vvv
 212                 } >expected &&
 213                 git grep --max-depth 1 -n -e vvv $H >actual &&
 214                 test_cmp expected actual
 215         '
 216
 217         test_expect_success "grep --max-depth 0 -- t $L" '
 218                 {
 219                         echo ${HC}t/v:1:vvv
 220                 } >expected &&
 221                 git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 222                 test_cmp expected actual
 223         '
 224
 225         test_expect_success "grep --max-depth 0 -- . t $L" '
 226                 {
 227                         echo ${HC}t/v:1:vvv
 228                         echo ${HC}v:1:vvv
 229                 } >expected &&
 230                 git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
 231                 test_cmp expected actual
 232         '
 233
 234         test_expect_success "grep --max-depth 0 -- t . $L" '
 235                 {
 236                         echo ${HC}t/v:1:vvv
 237                         echo ${HC}v:1:vvv
 238                 } >expected &&
 239                 git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
 240                 test_cmp expected actual
 241         '
 242         test_expect_success "grep $L with grep.extendedRegexp=false" '
 243                 echo "ab:a+bc" >expected &&
 244                 git -c grep.extendedRegexp=false grep "a+b*c" ab >actual &&
 245                 test_cmp expected actual
 246         '
 247
 248         test_expect_success "grep $L with grep.extendedRegexp=true" '
 249                 echo "ab:abc" >expected &&
 250                 git -c grep.extendedRegexp=true grep "a+b*c" ab >actual &&
 251                 test_cmp expected actual
 252         '
 253 done
 254
 255 cat >expected <<EOF
 256 file
 257 EOF
 258 test_expect_success 'grep -l -C' '
 259         git grep -l -C1 foo >actual &&
 260         test_cmp expected actual
 261 '
 262
 263 cat >expected <<EOF
 264 file:5
 265 EOF
 266 test_expect_success 'grep -l -C' '
 267         git grep -c -C1 foo >actual &&
 268         test_cmp expected actual
 269 '
 270
 271 test_expect_success 'grep -L -C' '
 272         git ls-files >expected &&
 273         git grep -L -C1 nonexistent_string >actual &&
 274         test_cmp expected actual
 275 '
 276
 277 cat >expected <<EOF
 278 file:foo mmap bar_mmap
 279 EOF
 280
 281 test_expect_success 'grep -e A --and -e B' '
 282         git grep -e "foo mmap" --and -e bar_mmap >actual &&
 283         test_cmp expected actual
 284 '
 285
 286 cat >expected <<EOF
 287 file:foo_mmap bar mmap
 288 file:foo_mmap bar mmap baz
 289 EOF
 290
 291
 292 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 293         git grep \( -e foo_ --or -e baz \) \
 294                 --and -e " mmap" >actual &&
 295         test_cmp expected actual
 296 '
 297
 298 cat >expected <<EOF
 299 file:foo mmap bar
 300 EOF
 301
 302 test_expect_success 'grep -e A --and --not -e B' '
 303         git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 304         test_cmp expected actual
 305 '
 306
 307 test_expect_success 'grep should ignore GREP_OPTIONS' '
 308         GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 309         test_cmp expected actual
 310 '
 311
 312 test_expect_success 'grep -f, non-existent file' '
 313         test_must_fail git grep -f patterns
 314 '
 315
 316 cat >expected <<EOF
 317 file:foo mmap bar
 318 file:foo_mmap bar
 319 file:foo_mmap bar mmap
 320 file:foo mmap bar_mmap
 321 file:foo_mmap bar mmap baz
 322 EOF
 323
 324 cat >pattern <<EOF
 325 mmap
 326 EOF
 327
 328 test_expect_success 'grep -f, one pattern' '
 329         git grep -f pattern >actual &&
 330         test_cmp expected actual
 331 '
 332
 333 cat >expected <<EOF
 334 file:foo mmap bar
 335 file:foo_mmap bar
 336 file:foo_mmap bar mmap
 337 file:foo mmap bar_mmap
 338 file:foo_mmap bar mmap baz
 339 t/a/v:vvv
 340 t/v:vvv
 341 v:vvv
 342 EOF
 343
 344 cat >patterns <<EOF
 345 mmap
 346 vvv
 347 EOF
 348
 349 test_expect_success 'grep -f, multiple patterns' '
 350         git grep -f patterns >actual &&
 351         test_cmp expected actual
 352 '
 353
 354 test_expect_success 'grep, multiple patterns' '
 355         git grep "$(cat patterns)" >actual &&
 356         test_cmp expected actual
 357 '
 358
 359 cat >expected <<EOF
 360 file:foo mmap bar
 361 file:foo_mmap bar
 362 file:foo_mmap bar mmap
 363 file:foo mmap bar_mmap
 364 file:foo_mmap bar mmap baz
 365 t/a/v:vvv
 366 t/v:vvv
 367 v:vvv
 368 EOF
 369
 370 cat >patterns <<EOF
 371
 372 mmap
 373
 374 vvv
 375
 376 EOF
 377
 378 test_expect_success 'grep -f, ignore empty lines' '
 379         git grep -f patterns >actual &&
 380         test_cmp expected actual
 381 '
 382
 383 test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 384         git grep -f - <patterns >actual &&
 385         test_cmp expected actual
 386 '
 387
 388 cat >expected <<EOF
 389 y:y yy
 390 --
 391 z:zzz
 392 EOF
 393
 394 test_expect_success 'grep -q, silently report matches' '
 395         >empty &&
 396         git grep -q mmap >actual &&
 397         test_cmp empty actual &&
 398         test_must_fail git grep -q qfwfq >actual &&
 399         test_cmp empty actual
 400 '
 401
 402 test_expect_success 'grep -C1 hunk mark between files' '
 403         git grep -C1 "^[yz]" >actual &&
 404         test_cmp expected actual
 405 '
 406
 407 test_expect_success 'log grep setup' '
 408         echo a >>file &&
 409         test_tick &&
 410         GIT_AUTHOR_NAME="With * Asterisk" \
 411         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 412         git commit -a -m "second" &&
 413
 414         echo a >>file &&
 415         test_tick &&
 416         git commit -a -m "third" &&
 417
 418         echo a >>file &&
 419         test_tick &&
 420         GIT_AUTHOR_NAME="Night Fall" \
 421         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 422         git commit -a -m "fourth"
 423 '
 424
 425 test_expect_success 'log grep (1)' '
 426         git log --author=author --pretty=tformat:%s >actual &&
 427         ( echo third ; echo initial ) >expect &&
 428         test_cmp expect actual
 429 '
 430
 431 test_expect_success 'log grep (2)' '
 432         git log --author=" * " -F --pretty=tformat:%s >actual &&
 433         ( echo second ) >expect &&
 434         test_cmp expect actual
 435 '
 436
 437 test_expect_success 'log grep (3)' '
 438         git log --author="^A U" --pretty=tformat:%s >actual &&
 439         ( echo third ; echo initial ) >expect &&
 440         test_cmp expect actual
 441 '
 442
 443 test_expect_success 'log grep (4)' '
 444         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 445         ( echo second ) >expect &&
 446         test_cmp expect actual
 447 '
 448
 449 test_expect_success 'log grep (5)' '
 450         git log --author=Thor -F --pretty=tformat:%s >actual &&
 451         ( echo third ; echo initial ) >expect &&
 452         test_cmp expect actual
 453 '
 454
 455 test_expect_success 'log grep (6)' '
 456         git log --author=-0700  --pretty=tformat:%s >actual &&
 457         >expect &&
 458         test_cmp expect actual
 459 '
 460
 461 test_expect_success 'log --grep --author implicitly uses all-match' '
 462         # grep matches initial and second but not third
 463         # author matches only initial and third
 464         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 465         echo initial >expect &&
 466         test_cmp expect actual
 467 '
 468
 469 test_expect_success 'log with multiple --author uses union' '
 470         git log --author="Thor" --author="Aster" --format=%s >actual &&
 471         {
 472             echo third && echo second && echo initial
 473         } >expect &&
 474         test_cmp expect actual
 475 '
 476
 477 test_expect_success 'log with --grep and multiple --author uses all-match' '
 478         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 479         {
 480             echo third && echo initial
 481         } >expect &&
 482         test_cmp expect actual
 483 '
 484
 485 test_expect_success 'log with --grep and multiple --author uses all-match' '
 486         git log --author="Thor" --author="Night" --grep=q --format=%s >actual &&
 487         >expect &&
 488         test_cmp expect actual
 489 '
 490
 491 test_expect_success 'grep with CE_VALID file' '
 492         git update-index --assume-unchanged t/t &&
 493         rm t/t &&
 494         test "$(git grep test)" = "t/t:test" &&
 495         git update-index --no-assume-unchanged t/t &&
 496         git checkout t/t
 497 '
 498
 499 cat >expected <<EOF
 500 hello.c=#include <stdio.h>
 501 hello.c:        return 0;
 502 EOF
 503
 504 test_expect_success 'grep -p with userdiff' '
 505         git config diff.custom.funcname "^#" &&
 506         echo "hello.c diff=custom" >.gitattributes &&
 507         git grep -p return >actual &&
 508         test_cmp expected actual
 509 '
 510
 511 cat >expected <<EOF
 512 hello.c=int main(int argc, const char **argv)
 513 hello.c:        return 0;
 514 EOF
 515
 516 test_expect_success 'grep -p' '
 517         rm -f .gitattributes &&
 518         git grep -p return >actual &&
 519         test_cmp expected actual
 520 '
 521
 522 cat >expected <<EOF
 523 hello.c-#include <stdio.h>
 524 hello.c=int main(int argc, const char **argv)
 525 hello.c-{
 526 hello.c-        printf("Hello world.\n");
 527 hello.c:        return 0;
 528 EOF
 529
 530 test_expect_success 'grep -p -B5' '
 531         git grep -p -B5 return >actual &&
 532         test_cmp expected actual
 533 '
 534
 535 cat >expected <<EOF
 536 hello.c=int main(int argc, const char **argv)
 537 hello.c-{
 538 hello.c-        printf("Hello world.\n");
 539 hello.c:        return 0;
 540 hello.c-        /* char ?? */
 541 hello.c-}
 542 EOF
 543
 544 test_expect_success 'grep -W' '
 545         git grep -W return >actual &&
 546         test_cmp expected actual
 547 '
 548
 549 cat >expected <<EOF
 550 hello.c=        printf("Hello world.\n");
 551 hello.c:        return 0;
 552 hello.c-        /* char ?? */
 553 EOF
 554
 555 test_expect_success 'grep -W with userdiff' '
 556         test_when_finished "rm -f .gitattributes" &&
 557         git config diff.custom.xfuncname "(printf.*|})$" &&
 558         echo "hello.c diff=custom" >.gitattributes &&
 559         git grep -W return >actual &&
 560         test_cmp expected actual
 561 '
 562
 563 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 564         mkdir -p s &&
 565         (
 566                 cd s && git grep "x x x" ..
 567         )
 568 '
 569
 570 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 571         mkdir -p s &&
 572         (
 573                 cd s || exit 1
 574                 ( git grep xxyyzz .. >out ; echo $? >status )
 575                 ! test -s out &&
 576                 test 1 = $(cat status)
 577         )
 578 '
 579
 580 cat >expected <<EOF
 581 hello.c:int main(int argc, const char **argv)
 582 EOF
 583
 584 test_expect_success 'grep -Fi' '
 585         git grep -Fi "CHAR *" >actual &&
 586         test_cmp expected actual
 587 '
 588
 589 test_expect_success 'outside of git repository' '
 590         rm -fr non &&
 591         mkdir -p non/git/sub &&
 592         echo hello >non/git/file1 &&
 593         echo world >non/git/sub/file2 &&
 594         {
 595                 echo file1:hello &&
 596                 echo sub/file2:world
 597         } >non/expect.full &&
 598         echo file2:world >non/expect.sub &&
 599         (
 600                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 601                 export GIT_CEILING_DIRECTORIES &&
 602                 cd non/git &&
 603                 test_must_fail git grep o &&
 604                 git grep --no-index o >../actual.full &&
 605                 test_cmp ../expect.full ../actual.full
 606                 cd sub &&
 607                 test_must_fail git grep o &&
 608                 git grep --no-index o >../../actual.sub &&
 609                 test_cmp ../../expect.sub ../../actual.sub
 610         ) &&
 611
 612         echo ".*o*" >non/git/.gitignore &&
 613         (
 614                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 615                 export GIT_CEILING_DIRECTORIES &&
 616                 cd non/git &&
 617                 test_must_fail git grep o &&
 618                 git grep --no-index --exclude-standard o >../actual.full &&
 619                 test_cmp ../expect.full ../actual.full &&
 620
 621                 {
 622                         echo ".gitignore:.*o*"
 623                         cat ../expect.full
 624                 } >../expect.with.ignored &&
 625                 git grep --no-index --no-exclude o >../actual.full &&
 626                 test_cmp ../expect.with.ignored ../actual.full
 627         )
 628 '
 629
 630 test_expect_success 'inside git repository but with --no-index' '
 631         rm -fr is &&
 632         mkdir -p is/git/sub &&
 633         echo hello >is/git/file1 &&
 634         echo world >is/git/sub/file2 &&
 635         echo ".*o*" >is/git/.gitignore &&
 636         {
 637                 echo file1:hello &&
 638                 echo sub/file2:world
 639         } >is/expect.unignored &&
 640         {
 641                 echo ".gitignore:.*o*" &&
 642                 cat is/expect.unignored
 643         } >is/expect.full &&
 644         : >is/expect.empty &&
 645         echo file2:world >is/expect.sub &&
 646         (
 647                 cd is/git &&
 648                 git init &&
 649                 test_must_fail git grep o >../actual.full &&
 650                 test_cmp ../expect.empty ../actual.full &&
 651
 652                 git grep --untracked o >../actual.unignored &&
 653                 test_cmp ../expect.unignored ../actual.unignored &&
 654
 655                 git grep --no-index o >../actual.full &&
 656                 test_cmp ../expect.full ../actual.full &&
 657
 658                 git grep --no-index --exclude-standard o >../actual.unignored &&
 659                 test_cmp ../expect.unignored ../actual.unignored &&
 660
 661                 cd sub &&
 662                 test_must_fail git grep o >../../actual.sub &&
 663                 test_cmp ../../expect.empty ../../actual.sub &&
 664
 665                 git grep --no-index o >../../actual.sub &&
 666                 test_cmp ../../expect.sub ../../actual.sub &&
 667
 668                 git grep --untracked o >../../actual.sub &&
 669                 test_cmp ../../expect.sub ../../actual.sub
 670         )
 671 '
 672
 673 test_expect_success 'setup double-dash tests' '
 674 cat >double-dash <<EOF &&
 675 --
 676 ->
 677 other
 678 EOF
 679 git add double-dash
 680 '
 681
 682 cat >expected <<EOF
 683 double-dash:->
 684 EOF
 685 test_expect_success 'grep -- pattern' '
 686         git grep -- "->" >actual &&
 687         test_cmp expected actual
 688 '
 689 test_expect_success 'grep -- pattern -- pathspec' '
 690         git grep -- "->" -- double-dash >actual &&
 691         test_cmp expected actual
 692 '
 693 test_expect_success 'grep -e pattern -- path' '
 694         git grep -e "->" -- double-dash >actual &&
 695         test_cmp expected actual
 696 '
 697
 698 cat >expected <<EOF
 699 double-dash:--
 700 EOF
 701 test_expect_success 'grep -e -- -- path' '
 702         git grep -e -- -- double-dash >actual &&
 703         test_cmp expected actual
 704 '
 705
 706 cat >expected <<EOF
 707 hello.c:int main(int argc, const char **argv)
 708 hello.c:        printf("Hello world.\n");
 709 EOF
 710
 711 test_expect_success LIBPCRE 'grep --perl-regexp pattern' '
 712         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 713         test_cmp expected actual
 714 '
 715
 716 test_expect_success LIBPCRE 'grep -P pattern' '
 717         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 718         test_cmp expected actual
 719 '
 720
 721 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
 722         >empty &&
 723         test_must_fail git -c grep.extendedregexp=true \
 724                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 725         test_cmp empty actual
 726 '
 727
 728 test_expect_success LIBPCRE 'grep -P pattern with grep.extendedRegexp=true' '
 729         git -c grep.extendedregexp=true \
 730                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 731         test_cmp expected actual
 732 '
 733
 734 test_expect_success LIBPCRE 'grep -P -v pattern' '
 735         {
 736                 echo "ab:a+b*c"
 737                 echo "ab:a+bc"
 738         } >expected &&
 739         git grep -P -v "abc" ab >actual &&
 740         test_cmp expected actual
 741 '
 742
 743 test_expect_success LIBPCRE 'grep -P -i pattern' '
 744         cat >expected <<-EOF &&
 745         hello.c:        printf("Hello world.\n");
 746         EOF
 747         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
 748         test_cmp expected actual
 749 '
 750
 751 test_expect_success LIBPCRE 'grep -P -w pattern' '
 752         {
 753                 echo "hello_world:Hello world"
 754                 echo "hello_world:HeLLo world"
 755         } >expected &&
 756         git grep -P -w "He((?i)ll)o" hello_world >actual &&
 757         test_cmp expected actual
 758 '
 759
 760 test_expect_success 'grep -G invalidpattern properly dies ' '
 761         test_must_fail git grep -G "a["
 762 '
 763
 764 test_expect_success 'grep -E invalidpattern properly dies ' '
 765         test_must_fail git grep -E "a["
 766 '
 767
 768 test_expect_success LIBPCRE 'grep -P invalidpattern properly dies ' '
 769         test_must_fail git grep -P "a["
 770 '
 771
 772 test_expect_success 'grep -G -E -F pattern' '
 773         echo "ab:a+b*c" >expected &&
 774         git grep -G -E -F "a+b*c" ab >actual &&
 775         test_cmp expected actual
 776 '
 777
 778 test_expect_success 'grep -E -F -G pattern' '
 779         echo "ab:a+bc" >expected &&
 780         git grep -E -F -G "a+b*c" ab >actual &&
 781         test_cmp expected actual
 782 '
 783
 784 test_expect_success 'grep -F -G -E pattern' '
 785         echo "ab:abc" >expected &&
 786         git grep -F -G -E "a+b*c" ab >actual &&
 787         test_cmp expected actual
 788 '
 789
 790 test_expect_success 'grep -G -F -P -E pattern' '
 791         >empty &&
 792         test_must_fail git grep -G -F -P -E "a\x{2b}b\x{2a}c" ab >actual &&
 793         test_cmp empty actual
 794 '
 795
 796 test_expect_success LIBPCRE 'grep -G -F -E -P pattern' '
 797         echo "ab:a+b*c" >expected &&
 798         git grep -G -F -E -P "a\x{2b}b\x{2a}c" ab >actual &&
 799         test_cmp expected actual
 800 '
 801
 802 test_config() {
 803         git config "$1" "$2" &&
 804         test_when_finished "git config --unset $1"
 805 }
 806
 807 cat >expected <<EOF
 808 hello.c<RED>:<RESET>int main(int argc, const char **argv)
 809 hello.c<RED>-<RESET>{
 810 <RED>--<RESET>
 811 hello.c<RED>:<RESET>    /* char ?? */
 812 hello.c<RED>-<RESET>}
 813 <RED>--<RESET>
 814 hello_world<RED>:<RESET>Hello_world
 815 hello_world<RED>-<RESET>HeLLo_world
 816 EOF
 817
 818 test_expect_success 'grep --color, separator' '
 819         test_config color.grep.context          normal &&
 820         test_config color.grep.filename         normal &&
 821         test_config color.grep.function         normal &&
 822         test_config color.grep.linenumber       normal &&
 823         test_config color.grep.match            normal &&
 824         test_config color.grep.selected         normal &&
 825         test_config color.grep.separator        red &&
 826
 827         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
 828         test_decode_color >actual &&
 829         test_cmp expected actual
 830 '
 831
 832 cat >expected <<EOF
 833 hello.c:int main(int argc, const char **argv)
 834 hello.c:        /* char ?? */
 835
 836 hello_world:Hello_world
 837 EOF
 838
 839 test_expect_success 'grep --break' '
 840         git grep --break -e char -e lo_w hello.c hello_world >actual &&
 841         test_cmp expected actual
 842 '
 843
 844 cat >expected <<EOF
 845 hello.c:int main(int argc, const char **argv)
 846 hello.c-{
 847 --
 848 hello.c:        /* char ?? */
 849 hello.c-}
 850
 851 hello_world:Hello_world
 852 hello_world-HeLLo_world
 853 EOF
 854
 855 test_expect_success 'grep --break with context' '
 856         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
 857         test_cmp expected actual
 858 '
 859
 860 cat >expected <<EOF
 861 hello.c
 862 int main(int argc, const char **argv)
 863         /* char ?? */
 864 hello_world
 865 Hello_world
 866 EOF
 867
 868 test_expect_success 'grep --heading' '
 869         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
 870         test_cmp expected actual
 871 '
 872
 873 cat >expected <<EOF
 874 <BOLD;GREEN>hello.c<RESET>
 875 2:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
 876 6:      /* <BLACK;BYELLOW>char<RESET> ?? */
 877
 878 <BOLD;GREEN>hello_world<RESET>
 879 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
 880 EOF
 881
 882 test_expect_success 'mimic ack-grep --group' '
 883         test_config color.grep.context          normal &&
 884         test_config color.grep.filename         "bold green" &&
 885         test_config color.grep.function         normal &&
 886         test_config color.grep.linenumber       normal &&
 887         test_config color.grep.match            "black yellow" &&
 888         test_config color.grep.selected         normal &&
 889         test_config color.grep.separator        normal &&
 890
 891         git grep --break --heading -n --color \
 892                 -e char -e lo_w hello.c hello_world |
 893         test_decode_color >actual &&
 894         test_cmp expected actual
 895 '
 896
 897 cat >expected <<EOF
 898 space: line with leading space1
 899 space: line with leading space2
 900 space: line with leading space3
 901 EOF
 902
 903 test_expect_success LIBPCRE 'grep -E "^ "' '
 904         git grep -E "^ " space >actual &&
 905         test_cmp expected actual
 906 '
 907
 908 test_expect_success LIBPCRE 'grep -P "^ "' '
 909         git grep -P "^ " space >actual &&
 910         test_cmp expected actual
 911 '
 912
 913 test_done