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 with multiple --author uses union' '
 499         git log --author="Thor" --author="Aster" --format=%s >actual &&
 500         {
 501             echo third && echo second && echo initial
 502         } >expect &&
 503         test_cmp expect actual
 504 '
 505
 506 test_expect_success 'log --all-match with multiple --author still uses union' '
 507         git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 508         {
 509             echo third && echo second && echo initial
 510         } >expect &&
 511         test_cmp expect actual
 512 '
 513
 514 test_expect_success 'log --grep --author uses intersection' '
 515         # grep matches only third and fourth
 516         # author matches only initial and third
 517         git log --author="A U Thor" --grep=r --format=%s >actual &&
 518         {
 519                 echo third
 520         } >expect &&
 521         test_cmp expect actual
 522 '
 523
 524 test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 525         # grep matches initial and second but not third
 526         # author matches only initial and third
 527         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 528         {
 529                 echo initial
 530         } >expect &&
 531         test_cmp expect actual
 532 '
 533
 534 test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
 535         # grep matches only initial and third
 536         # author matches all but second
 537         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 538         {
 539             echo third && echo initial
 540         } >expect &&
 541         test_cmp expect actual
 542 '
 543
 544 test_expect_success 'grep with CE_VALID file' '
 545         git update-index --assume-unchanged t/t &&
 546         rm t/t &&
 547         test "$(git grep test)" = "t/t:test" &&
 548         git update-index --no-assume-unchanged t/t &&
 549         git checkout t/t
 550 '
 551
 552 cat >expected <<EOF
 553 hello.c=#include <stdio.h>
 554 hello.c:        return 0;
 555 EOF
 556
 557 test_expect_success 'grep -p with userdiff' '
 558         git config diff.custom.funcname "^#" &&
 559         echo "hello.c diff=custom" >.gitattributes &&
 560         git grep -p return >actual &&
 561         test_cmp expected actual
 562 '
 563
 564 cat >expected <<EOF
 565 hello.c=int main(int argc, const char **argv)
 566 hello.c:        return 0;
 567 EOF
 568
 569 test_expect_success 'grep -p' '
 570         rm -f .gitattributes &&
 571         git grep -p return >actual &&
 572         test_cmp expected actual
 573 '
 574
 575 cat >expected <<EOF
 576 hello.c-#include <stdio.h>
 577 hello.c=int main(int argc, const char **argv)
 578 hello.c-{
 579 hello.c-        printf("Hello world.\n");
 580 hello.c:        return 0;
 581 EOF
 582
 583 test_expect_success 'grep -p -B5' '
 584         git grep -p -B5 return >actual &&
 585         test_cmp expected actual
 586 '
 587
 588 cat >expected <<EOF
 589 hello.c=int main(int argc, const char **argv)
 590 hello.c-{
 591 hello.c-        printf("Hello world.\n");
 592 hello.c:        return 0;
 593 hello.c-        /* char ?? */
 594 hello.c-}
 595 EOF
 596
 597 test_expect_success 'grep -W' '
 598         git grep -W return >actual &&
 599         test_cmp expected actual
 600 '
 601
 602 cat >expected <<EOF
 603 hello.c=        printf("Hello world.\n");
 604 hello.c:        return 0;
 605 hello.c-        /* char ?? */
 606 EOF
 607
 608 test_expect_success 'grep -W with userdiff' '
 609         test_when_finished "rm -f .gitattributes" &&
 610         git config diff.custom.xfuncname "(printf.*|})$" &&
 611         echo "hello.c diff=custom" >.gitattributes &&
 612         git grep -W return >actual &&
 613         test_cmp expected actual
 614 '
 615
 616 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 617         mkdir -p s &&
 618         (
 619                 cd s && git grep "x x x" ..
 620         )
 621 '
 622
 623 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 624         mkdir -p s &&
 625         (
 626                 cd s || exit 1
 627                 ( git grep xxyyzz .. >out ; echo $? >status )
 628                 ! test -s out &&
 629                 test 1 = $(cat status)
 630         )
 631 '
 632
 633 cat >expected <<EOF
 634 hello.c:int main(int argc, const char **argv)
 635 EOF
 636
 637 test_expect_success 'grep -Fi' '
 638         git grep -Fi "CHAR *" >actual &&
 639         test_cmp expected actual
 640 '
 641
 642 test_expect_success 'outside of git repository' '
 643         rm -fr non &&
 644         mkdir -p non/git/sub &&
 645         echo hello >non/git/file1 &&
 646         echo world >non/git/sub/file2 &&
 647         {
 648                 echo file1:hello &&
 649                 echo sub/file2:world
 650         } >non/expect.full &&
 651         echo file2:world >non/expect.sub &&
 652         (
 653                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 654                 export GIT_CEILING_DIRECTORIES &&
 655                 cd non/git &&
 656                 test_must_fail git grep o &&
 657                 git grep --no-index o >../actual.full &&
 658                 test_cmp ../expect.full ../actual.full
 659                 cd sub &&
 660                 test_must_fail git grep o &&
 661                 git grep --no-index o >../../actual.sub &&
 662                 test_cmp ../../expect.sub ../../actual.sub
 663         ) &&
 664
 665         echo ".*o*" >non/git/.gitignore &&
 666         (
 667                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 668                 export GIT_CEILING_DIRECTORIES &&
 669                 cd non/git &&
 670                 test_must_fail git grep o &&
 671                 git grep --no-index --exclude-standard o >../actual.full &&
 672                 test_cmp ../expect.full ../actual.full &&
 673
 674                 {
 675                         echo ".gitignore:.*o*"
 676                         cat ../expect.full
 677                 } >../expect.with.ignored &&
 678                 git grep --no-index --no-exclude o >../actual.full &&
 679                 test_cmp ../expect.with.ignored ../actual.full
 680         )
 681 '
 682
 683 test_expect_success 'inside git repository but with --no-index' '
 684         rm -fr is &&
 685         mkdir -p is/git/sub &&
 686         echo hello >is/git/file1 &&
 687         echo world >is/git/sub/file2 &&
 688         echo ".*o*" >is/git/.gitignore &&
 689         {
 690                 echo file1:hello &&
 691                 echo sub/file2:world
 692         } >is/expect.unignored &&
 693         {
 694                 echo ".gitignore:.*o*" &&
 695                 cat is/expect.unignored
 696         } >is/expect.full &&
 697         : >is/expect.empty &&
 698         echo file2:world >is/expect.sub &&
 699         (
 700                 cd is/git &&
 701                 git init &&
 702                 test_must_fail git grep o >../actual.full &&
 703                 test_cmp ../expect.empty ../actual.full &&
 704
 705                 git grep --untracked o >../actual.unignored &&
 706                 test_cmp ../expect.unignored ../actual.unignored &&
 707
 708                 git grep --no-index o >../actual.full &&
 709                 test_cmp ../expect.full ../actual.full &&
 710
 711                 git grep --no-index --exclude-standard o >../actual.unignored &&
 712                 test_cmp ../expect.unignored ../actual.unignored &&
 713
 714                 cd sub &&
 715                 test_must_fail git grep o >../../actual.sub &&
 716                 test_cmp ../../expect.empty ../../actual.sub &&
 717
 718                 git grep --no-index o >../../actual.sub &&
 719                 test_cmp ../../expect.sub ../../actual.sub &&
 720
 721                 git grep --untracked o >../../actual.sub &&
 722                 test_cmp ../../expect.sub ../../actual.sub
 723         )
 724 '
 725
 726 test_expect_success 'setup double-dash tests' '
 727 cat >double-dash <<EOF &&
 728 --
 729 ->
 730 other
 731 EOF
 732 git add double-dash
 733 '
 734
 735 cat >expected <<EOF
 736 double-dash:->
 737 EOF
 738 test_expect_success 'grep -- pattern' '
 739         git grep -- "->" >actual &&
 740         test_cmp expected actual
 741 '
 742 test_expect_success 'grep -- pattern -- pathspec' '
 743         git grep -- "->" -- double-dash >actual &&
 744         test_cmp expected actual
 745 '
 746 test_expect_success 'grep -e pattern -- path' '
 747         git grep -e "->" -- double-dash >actual &&
 748         test_cmp expected actual
 749 '
 750
 751 cat >expected <<EOF
 752 double-dash:--
 753 EOF
 754 test_expect_success 'grep -e -- -- path' '
 755         git grep -e -- -- double-dash >actual &&
 756         test_cmp expected actual
 757 '
 758
 759 cat >expected <<EOF
 760 hello.c:int main(int argc, const char **argv)
 761 hello.c:        printf("Hello world.\n");
 762 EOF
 763
 764 test_expect_success LIBPCRE 'grep --perl-regexp pattern' '
 765         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 766         test_cmp expected actual
 767 '
 768
 769 test_expect_success LIBPCRE 'grep -P pattern' '
 770         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 771         test_cmp expected actual
 772 '
 773
 774 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
 775         >empty &&
 776         test_must_fail git -c grep.extendedregexp=true \
 777                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 778         test_cmp empty actual
 779 '
 780
 781 test_expect_success LIBPCRE 'grep -P pattern with grep.extendedRegexp=true' '
 782         git -c grep.extendedregexp=true \
 783                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 784         test_cmp expected actual
 785 '
 786
 787 test_expect_success LIBPCRE 'grep -P -v pattern' '
 788         {
 789                 echo "ab:a+b*c"
 790                 echo "ab:a+bc"
 791         } >expected &&
 792         git grep -P -v "abc" ab >actual &&
 793         test_cmp expected actual
 794 '
 795
 796 test_expect_success LIBPCRE 'grep -P -i pattern' '
 797         cat >expected <<-EOF &&
 798         hello.c:        printf("Hello world.\n");
 799         EOF
 800         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
 801         test_cmp expected actual
 802 '
 803
 804 test_expect_success LIBPCRE 'grep -P -w pattern' '
 805         {
 806                 echo "hello_world:Hello world"
 807                 echo "hello_world:HeLLo world"
 808         } >expected &&
 809         git grep -P -w "He((?i)ll)o" hello_world >actual &&
 810         test_cmp expected actual
 811 '
 812
 813 test_expect_success 'grep -G invalidpattern properly dies ' '
 814         test_must_fail git grep -G "a["
 815 '
 816
 817 test_expect_success 'grep -E invalidpattern properly dies ' '
 818         test_must_fail git grep -E "a["
 819 '
 820
 821 test_expect_success LIBPCRE 'grep -P invalidpattern properly dies ' '
 822         test_must_fail git grep -P "a["
 823 '
 824
 825 test_expect_success 'grep -G -E -F pattern' '
 826         echo "ab:a+b*c" >expected &&
 827         git grep -G -E -F "a+b*c" ab >actual &&
 828         test_cmp expected actual
 829 '
 830
 831 test_expect_success 'grep -E -F -G pattern' '
 832         echo "ab:a+bc" >expected &&
 833         git grep -E -F -G "a+b*c" ab >actual &&
 834         test_cmp expected actual
 835 '
 836
 837 test_expect_success 'grep -F -G -E pattern' '
 838         echo "ab:abc" >expected &&
 839         git grep -F -G -E "a+b*c" ab >actual &&
 840         test_cmp expected actual
 841 '
 842
 843 test_expect_success 'grep -G -F -P -E pattern' '
 844         >empty &&
 845         test_must_fail git grep -G -F -P -E "a\x{2b}b\x{2a}c" ab >actual &&
 846         test_cmp empty actual
 847 '
 848
 849 test_expect_success LIBPCRE 'grep -G -F -E -P pattern' '
 850         echo "ab:a+b*c" >expected &&
 851         git grep -G -F -E -P "a\x{2b}b\x{2a}c" ab >actual &&
 852         test_cmp expected actual
 853 '
 854
 855 test_config() {
 856         git config "$1" "$2" &&
 857         test_when_finished "git config --unset $1"
 858 }
 859
 860 cat >expected <<EOF
 861 hello.c<RED>:<RESET>int main(int argc, const char **argv)
 862 hello.c<RED>-<RESET>{
 863 <RED>--<RESET>
 864 hello.c<RED>:<RESET>    /* char ?? */
 865 hello.c<RED>-<RESET>}
 866 <RED>--<RESET>
 867 hello_world<RED>:<RESET>Hello_world
 868 hello_world<RED>-<RESET>HeLLo_world
 869 EOF
 870
 871 test_expect_success 'grep --color, separator' '
 872         test_config color.grep.context          normal &&
 873         test_config color.grep.filename         normal &&
 874         test_config color.grep.function         normal &&
 875         test_config color.grep.linenumber       normal &&
 876         test_config color.grep.match            normal &&
 877         test_config color.grep.selected         normal &&
 878         test_config color.grep.separator        red &&
 879
 880         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
 881         test_decode_color >actual &&
 882         test_cmp expected actual
 883 '
 884
 885 cat >expected <<EOF
 886 hello.c:int main(int argc, const char **argv)
 887 hello.c:        /* char ?? */
 888
 889 hello_world:Hello_world
 890 EOF
 891
 892 test_expect_success 'grep --break' '
 893         git grep --break -e char -e lo_w hello.c hello_world >actual &&
 894         test_cmp expected actual
 895 '
 896
 897 cat >expected <<EOF
 898 hello.c:int main(int argc, const char **argv)
 899 hello.c-{
 900 --
 901 hello.c:        /* char ?? */
 902 hello.c-}
 903
 904 hello_world:Hello_world
 905 hello_world-HeLLo_world
 906 EOF
 907
 908 test_expect_success 'grep --break with context' '
 909         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
 910         test_cmp expected actual
 911 '
 912
 913 cat >expected <<EOF
 914 hello.c
 915 int main(int argc, const char **argv)
 916         /* char ?? */
 917 hello_world
 918 Hello_world
 919 EOF
 920
 921 test_expect_success 'grep --heading' '
 922         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
 923         test_cmp expected actual
 924 '
 925
 926 cat >expected <<EOF
 927 <BOLD;GREEN>hello.c<RESET>
 928 2:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
 929 6:      /* <BLACK;BYELLOW>char<RESET> ?? */
 930
 931 <BOLD;GREEN>hello_world<RESET>
 932 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
 933 EOF
 934
 935 test_expect_success 'mimic ack-grep --group' '
 936         test_config color.grep.context          normal &&
 937         test_config color.grep.filename         "bold green" &&
 938         test_config color.grep.function         normal &&
 939         test_config color.grep.linenumber       normal &&
 940         test_config color.grep.match            "black yellow" &&
 941         test_config color.grep.selected         normal &&
 942         test_config color.grep.separator        normal &&
 943
 944         git grep --break --heading -n --color \
 945                 -e char -e lo_w hello.c hello_world |
 946         test_decode_color >actual &&
 947         test_cmp expected actual
 948 '
 949
 950 cat >expected <<EOF
 951 space: line with leading space1
 952 space: line with leading space2
 953 space: line with leading space3
 954 EOF
 955
 956 test_expect_success LIBPCRE 'grep -E "^ "' '
 957         git grep -E "^ " space >actual &&
 958         test_cmp expected actual
 959 '
 960
 961 test_expect_success LIBPCRE 'grep -P "^ "' '
 962         git grep -P "^ " space >actual &&
 963         test_cmp expected actual
 964 '
 965
 966 test_done