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 # Create 1024 file names that sort between "y" and "z" to make sure
 403 # the two files are handled by different calls to an external grep.
 404 # This depends on MAXARGS in builtin-grep.c being 1024 or less.
 405 c32="0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v"
 406 test_expect_success 'grep -C1, hunk mark between files' '
 407         for a in $c32; do for b in $c32; do : >y-$a$b; done; done &&
 408         git add y-?? &&
 409         git grep -C1 "^[yz]" >actual &&
 410         test_cmp expected actual
 411 '
 412
 413 test_expect_success 'grep -C1 hunk mark between files' '
 414         git grep -C1 "^[yz]" >actual &&
 415         test_cmp expected actual
 416 '
 417
 418 test_expect_success 'log grep setup' '
 419         echo a >>file &&
 420         test_tick &&
 421         GIT_AUTHOR_NAME="With * Asterisk" \
 422         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 423         git commit -a -m "second" &&
 424
 425         echo a >>file &&
 426         test_tick &&
 427         git commit -a -m "third" &&
 428
 429         echo a >>file &&
 430         test_tick &&
 431         GIT_AUTHOR_NAME="Night Fall" \
 432         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 433         git commit -a -m "fourth"
 434 '
 435
 436 test_expect_success 'log grep (1)' '
 437         git log --author=author --pretty=tformat:%s >actual &&
 438         {
 439                 echo third && echo initial
 440         } >expect &&
 441         test_cmp expect actual
 442 '
 443
 444 test_expect_success 'log grep (2)' '
 445         git log --author=" * " -F --pretty=tformat:%s >actual &&
 446         {
 447                 echo second
 448         } >expect &&
 449         test_cmp expect actual
 450 '
 451
 452 test_expect_success 'log grep (3)' '
 453         git log --author="^A U" --pretty=tformat:%s >actual &&
 454         {
 455                 echo third && echo initial
 456         } >expect &&
 457         test_cmp expect actual
 458 '
 459
 460 test_expect_success 'log grep (4)' '
 461         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 462         {
 463                 echo second
 464         } >expect &&
 465         test_cmp expect actual
 466 '
 467
 468 test_expect_success 'log grep (5)' '
 469         git log --author=Thor -F --pretty=tformat:%s >actual &&
 470         {
 471                 echo third && echo initial
 472         } >expect &&
 473         test_cmp expect actual
 474 '
 475
 476 test_expect_success 'log grep (6)' '
 477         git log --author=-0700  --pretty=tformat:%s >actual &&
 478         >expect &&
 479         test_cmp expect actual
 480 '
 481
 482 test_expect_success 'log with multiple --grep uses union' '
 483         git log --grep=i --grep=r --format=%s >actual &&
 484         {
 485                 echo fourth && echo third && echo initial
 486         } >expect &&
 487         test_cmp expect actual
 488 '
 489
 490 test_expect_success 'log --all-match with multiple --grep uses intersection' '
 491         git log --all-match --grep=i --grep=r --format=%s >actual &&
 492         {
 493                 echo third
 494         } >expect &&
 495         test_cmp expect actual
 496 '
 497
 498 test_expect_success 'log --grep --author implicitly uses all-match' '
 499         # grep matches initial and second but not third
 500         # author matches only initial and third
 501         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 502         {
 503                 echo initial
 504         } >expect &&
 505         test_cmp expect actual
 506 '
 507
 508 test_expect_success 'log with multiple --author uses union' '
 509         git log --author="Thor" --author="Aster" --format=%s >actual &&
 510         {
 511             echo third && echo second && echo initial
 512         } >expect &&
 513         test_cmp expect actual
 514 '
 515
 516 test_expect_success 'log with --grep and multiple --author uses all-match' '
 517         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 518         {
 519             echo third && echo initial
 520         } >expect &&
 521         test_cmp expect actual
 522 '
 523
 524 test_expect_success 'log with --grep and multiple --author uses all-match' '
 525         git log --author="Thor" --author="Night" --grep=q --format=%s >actual &&
 526         >expect &&
 527         test_cmp expect actual
 528 '
 529
 530 test_expect_success 'grep with CE_VALID file' '
 531         git update-index --assume-unchanged t/t &&
 532         rm t/t &&
 533         test "$(git grep test)" = "t/t:test" &&
 534         git update-index --no-assume-unchanged t/t &&
 535         git checkout t/t
 536 '
 537
 538 cat >expected <<EOF
 539 hello.c=#include <stdio.h>
 540 hello.c:        return 0;
 541 EOF
 542
 543 test_expect_success 'grep -p with userdiff' '
 544         git config diff.custom.funcname "^#" &&
 545         echo "hello.c diff=custom" >.gitattributes &&
 546         git grep -p return >actual &&
 547         test_cmp expected actual
 548 '
 549
 550 cat >expected <<EOF
 551 hello.c=int main(int argc, const char **argv)
 552 hello.c:        return 0;
 553 EOF
 554
 555 test_expect_success 'grep -p' '
 556         rm -f .gitattributes &&
 557         git grep -p return >actual &&
 558         test_cmp expected actual
 559 '
 560
 561 cat >expected <<EOF
 562 hello.c-#include <stdio.h>
 563 hello.c=int main(int argc, const char **argv)
 564 hello.c-{
 565 hello.c-        printf("Hello world.\n");
 566 hello.c:        return 0;
 567 EOF
 568
 569 test_expect_success 'grep -p -B5' '
 570         git grep -p -B5 return >actual &&
 571         test_cmp expected actual
 572 '
 573
 574 cat >expected <<EOF
 575 hello.c=int main(int argc, const char **argv)
 576 hello.c-{
 577 hello.c-        printf("Hello world.\n");
 578 hello.c:        return 0;
 579 hello.c-        /* char ?? */
 580 hello.c-}
 581 EOF
 582
 583 test_expect_success 'grep -W' '
 584         git grep -W return >actual &&
 585         test_cmp expected actual
 586 '
 587
 588 cat >expected <<EOF
 589 hello.c=        printf("Hello world.\n");
 590 hello.c:        return 0;
 591 hello.c-        /* char ?? */
 592 EOF
 593
 594 test_expect_success 'grep -W with userdiff' '
 595         test_when_finished "rm -f .gitattributes" &&
 596         git config diff.custom.xfuncname "(printf.*|})$" &&
 597         echo "hello.c diff=custom" >.gitattributes &&
 598         git grep -W return >actual &&
 599         test_cmp expected actual
 600 '
 601
 602 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 603         mkdir -p s &&
 604         (
 605                 cd s && git grep "x x x" ..
 606         )
 607 '
 608
 609 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 610         mkdir -p s &&
 611         (
 612                 cd s || exit 1
 613                 ( git grep xxyyzz .. >out ; echo $? >status )
 614                 ! test -s out &&
 615                 test 1 = $(cat status)
 616         )
 617 '
 618
 619 cat >expected <<EOF
 620 hello.c:int main(int argc, const char **argv)
 621 EOF
 622
 623 test_expect_success 'grep -Fi' '
 624         git grep -Fi "CHAR *" >actual &&
 625         test_cmp expected actual
 626 '
 627
 628 test_expect_success 'outside of git repository' '
 629         rm -fr non &&
 630         mkdir -p non/git/sub &&
 631         echo hello >non/git/file1 &&
 632         echo world >non/git/sub/file2 &&
 633         {
 634                 echo file1:hello &&
 635                 echo sub/file2:world
 636         } >non/expect.full &&
 637         echo file2:world >non/expect.sub &&
 638         (
 639                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 640                 export GIT_CEILING_DIRECTORIES &&
 641                 cd non/git &&
 642                 test_must_fail git grep o &&
 643                 git grep --no-index o >../actual.full &&
 644                 test_cmp ../expect.full ../actual.full
 645                 cd sub &&
 646                 test_must_fail git grep o &&
 647                 git grep --no-index o >../../actual.sub &&
 648                 test_cmp ../../expect.sub ../../actual.sub
 649         ) &&
 650
 651         echo ".*o*" >non/git/.gitignore &&
 652         (
 653                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 654                 export GIT_CEILING_DIRECTORIES &&
 655                 cd non/git &&
 656                 test_must_fail git grep o &&
 657                 git grep --no-index --exclude-standard o >../actual.full &&
 658                 test_cmp ../expect.full ../actual.full &&
 659
 660                 {
 661                         echo ".gitignore:.*o*"
 662                         cat ../expect.full
 663                 } >../expect.with.ignored &&
 664                 git grep --no-index --no-exclude o >../actual.full &&
 665                 test_cmp ../expect.with.ignored ../actual.full
 666         )
 667 '
 668
 669 test_expect_success 'inside git repository but with --no-index' '
 670         rm -fr is &&
 671         mkdir -p is/git/sub &&
 672         echo hello >is/git/file1 &&
 673         echo world >is/git/sub/file2 &&
 674         echo ".*o*" >is/git/.gitignore &&
 675         {
 676                 echo file1:hello &&
 677                 echo sub/file2:world
 678         } >is/expect.unignored &&
 679         {
 680                 echo ".gitignore:.*o*" &&
 681                 cat is/expect.unignored
 682         } >is/expect.full &&
 683         : >is/expect.empty &&
 684         echo file2:world >is/expect.sub &&
 685         (
 686                 cd is/git &&
 687                 git init &&
 688                 test_must_fail git grep o >../actual.full &&
 689                 test_cmp ../expect.empty ../actual.full &&
 690
 691                 git grep --untracked o >../actual.unignored &&
 692                 test_cmp ../expect.unignored ../actual.unignored &&
 693
 694                 git grep --no-index o >../actual.full &&
 695                 test_cmp ../expect.full ../actual.full &&
 696
 697                 git grep --no-index --exclude-standard o >../actual.unignored &&
 698                 test_cmp ../expect.unignored ../actual.unignored &&
 699
 700                 cd sub &&
 701                 test_must_fail git grep o >../../actual.sub &&
 702                 test_cmp ../../expect.empty ../../actual.sub &&
 703
 704                 git grep --no-index o >../../actual.sub &&
 705                 test_cmp ../../expect.sub ../../actual.sub &&
 706
 707                 git grep --untracked o >../../actual.sub &&
 708                 test_cmp ../../expect.sub ../../actual.sub
 709         )
 710 '
 711
 712 test_expect_success 'setup double-dash tests' '
 713 cat >double-dash <<EOF &&
 714 --
 715 ->
 716 other
 717 EOF
 718 git add double-dash
 719 '
 720
 721 cat >expected <<EOF
 722 double-dash:->
 723 EOF
 724 test_expect_success 'grep -- pattern' '
 725         git grep -- "->" >actual &&
 726         test_cmp expected actual
 727 '
 728 test_expect_success 'grep -- pattern -- pathspec' '
 729         git grep -- "->" -- double-dash >actual &&
 730         test_cmp expected actual
 731 '
 732 test_expect_success 'grep -e pattern -- path' '
 733         git grep -e "->" -- double-dash >actual &&
 734         test_cmp expected actual
 735 '
 736
 737 cat >expected <<EOF
 738 double-dash:--
 739 EOF
 740 test_expect_success 'grep -e -- -- path' '
 741         git grep -e -- -- double-dash >actual &&
 742         test_cmp expected actual
 743 '
 744
 745 cat >expected <<EOF
 746 hello.c:int main(int argc, const char **argv)
 747 hello.c:        printf("Hello world.\n");
 748 EOF
 749
 750 test_expect_success LIBPCRE 'grep --perl-regexp pattern' '
 751         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 752         test_cmp expected actual
 753 '
 754
 755 test_expect_success LIBPCRE 'grep -P pattern' '
 756         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 757         test_cmp expected actual
 758 '
 759
 760 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
 761         >empty &&
 762         test_must_fail git -c grep.extendedregexp=true \
 763                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 764         test_cmp empty actual
 765 '
 766
 767 test_expect_success LIBPCRE 'grep -P pattern with grep.extendedRegexp=true' '
 768         git -c grep.extendedregexp=true \
 769                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 770         test_cmp expected actual
 771 '
 772
 773 test_expect_success LIBPCRE 'grep -P -v pattern' '
 774         {
 775                 echo "ab:a+b*c"
 776                 echo "ab:a+bc"
 777         } >expected &&
 778         git grep -P -v "abc" ab >actual &&
 779         test_cmp expected actual
 780 '
 781
 782 test_expect_success LIBPCRE 'grep -P -i pattern' '
 783         cat >expected <<-EOF &&
 784         hello.c:        printf("Hello world.\n");
 785         EOF
 786         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
 787         test_cmp expected actual
 788 '
 789
 790 test_expect_success LIBPCRE 'grep -P -w pattern' '
 791         {
 792                 echo "hello_world:Hello world"
 793                 echo "hello_world:HeLLo world"
 794         } >expected &&
 795         git grep -P -w "He((?i)ll)o" hello_world >actual &&
 796         test_cmp expected actual
 797 '
 798
 799 test_expect_success 'grep -G invalidpattern properly dies ' '
 800         test_must_fail git grep -G "a["
 801 '
 802
 803 test_expect_success 'grep -E invalidpattern properly dies ' '
 804         test_must_fail git grep -E "a["
 805 '
 806
 807 test_expect_success LIBPCRE 'grep -P invalidpattern properly dies ' '
 808         test_must_fail git grep -P "a["
 809 '
 810
 811 test_expect_success 'grep -G -E -F pattern' '
 812         echo "ab:a+b*c" >expected &&
 813         git grep -G -E -F "a+b*c" ab >actual &&
 814         test_cmp expected actual
 815 '
 816
 817 test_expect_success 'grep -E -F -G pattern' '
 818         echo "ab:a+bc" >expected &&
 819         git grep -E -F -G "a+b*c" ab >actual &&
 820         test_cmp expected actual
 821 '
 822
 823 test_expect_success 'grep -F -G -E pattern' '
 824         echo "ab:abc" >expected &&
 825         git grep -F -G -E "a+b*c" ab >actual &&
 826         test_cmp expected actual
 827 '
 828
 829 test_expect_success 'grep -G -F -P -E pattern' '
 830         >empty &&
 831         test_must_fail git grep -G -F -P -E "a\x{2b}b\x{2a}c" ab >actual &&
 832         test_cmp empty actual
 833 '
 834
 835 test_expect_success LIBPCRE 'grep -G -F -E -P pattern' '
 836         echo "ab:a+b*c" >expected &&
 837         git grep -G -F -E -P "a\x{2b}b\x{2a}c" ab >actual &&
 838         test_cmp expected actual
 839 '
 840
 841 test_config() {
 842         git config "$1" "$2" &&
 843         test_when_finished "git config --unset $1"
 844 }
 845
 846 cat >expected <<EOF
 847 hello.c<RED>:<RESET>int main(int argc, const char **argv)
 848 hello.c<RED>-<RESET>{
 849 <RED>--<RESET>
 850 hello.c<RED>:<RESET>    /* char ?? */
 851 hello.c<RED>-<RESET>}
 852 <RED>--<RESET>
 853 hello_world<RED>:<RESET>Hello_world
 854 hello_world<RED>-<RESET>HeLLo_world
 855 EOF
 856
 857 test_expect_success 'grep --color, separator' '
 858         test_config color.grep.context          normal &&
 859         test_config color.grep.filename         normal &&
 860         test_config color.grep.function         normal &&
 861         test_config color.grep.linenumber       normal &&
 862         test_config color.grep.match            normal &&
 863         test_config color.grep.selected         normal &&
 864         test_config color.grep.separator        red &&
 865
 866         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
 867         test_decode_color >actual &&
 868         test_cmp expected actual
 869 '
 870
 871 cat >expected <<EOF
 872 hello.c:int main(int argc, const char **argv)
 873 hello.c:        /* char ?? */
 874
 875 hello_world:Hello_world
 876 EOF
 877
 878 test_expect_success 'grep --break' '
 879         git grep --break -e char -e lo_w hello.c hello_world >actual &&
 880         test_cmp expected actual
 881 '
 882
 883 cat >expected <<EOF
 884 hello.c:int main(int argc, const char **argv)
 885 hello.c-{
 886 --
 887 hello.c:        /* char ?? */
 888 hello.c-}
 889
 890 hello_world:Hello_world
 891 hello_world-HeLLo_world
 892 EOF
 893
 894 test_expect_success 'grep --break with context' '
 895         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
 896         test_cmp expected actual
 897 '
 898
 899 cat >expected <<EOF
 900 hello.c
 901 int main(int argc, const char **argv)
 902         /* char ?? */
 903 hello_world
 904 Hello_world
 905 EOF
 906
 907 test_expect_success 'grep --heading' '
 908         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
 909         test_cmp expected actual
 910 '
 911
 912 cat >expected <<EOF
 913 <BOLD;GREEN>hello.c<RESET>
 914 2:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
 915 6:      /* <BLACK;BYELLOW>char<RESET> ?? */
 916
 917 <BOLD;GREEN>hello_world<RESET>
 918 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
 919 EOF
 920
 921 test_expect_success 'mimic ack-grep --group' '
 922         test_config color.grep.context          normal &&
 923         test_config color.grep.filename         "bold green" &&
 924         test_config color.grep.function         normal &&
 925         test_config color.grep.linenumber       normal &&
 926         test_config color.grep.match            "black yellow" &&
 927         test_config color.grep.selected         normal &&
 928         test_config color.grep.separator        normal &&
 929
 930         git grep --break --heading -n --color \
 931                 -e char -e lo_w hello.c hello_world |
 932         test_decode_color >actual &&
 933         test_cmp expected actual
 934 '
 935
 936 cat >expected <<EOF
 937 space: line with leading space1
 938 space: line with leading space2
 939 space: line with leading space3
 940 EOF
 941
 942 test_expect_success LIBPCRE 'grep -E "^ "' '
 943         git grep -E "^ " space >actual &&
 944         test_cmp expected actual
 945 '
 946
 947 test_expect_success LIBPCRE 'grep -P "^ "' '
 948         git grep -P "^ " space >actual &&
 949         test_cmp expected actual
 950 '
 951
 952 test_done