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         {
 428                 echo third && echo initial
 429         } >expect &&
 430         test_cmp expect actual
 431 '
 432
 433 test_expect_success 'log grep (2)' '
 434         git log --author=" * " -F --pretty=tformat:%s >actual &&
 435         {
 436                 echo second
 437         } >expect &&
 438         test_cmp expect actual
 439 '
 440
 441 test_expect_success 'log grep (3)' '
 442         git log --author="^A U" --pretty=tformat:%s >actual &&
 443         {
 444                 echo third && echo initial
 445         } >expect &&
 446         test_cmp expect actual
 447 '
 448
 449 test_expect_success 'log grep (4)' '
 450         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 451         {
 452                 echo second
 453         } >expect &&
 454         test_cmp expect actual
 455 '
 456
 457 test_expect_success 'log grep (5)' '
 458         git log --author=Thor -F --pretty=tformat:%s >actual &&
 459         {
 460                 echo third && echo initial
 461         } >expect &&
 462         test_cmp expect actual
 463 '
 464
 465 test_expect_success 'log grep (6)' '
 466         git log --author=-0700  --pretty=tformat:%s >actual &&
 467         >expect &&
 468         test_cmp expect actual
 469 '
 470
 471 test_expect_success 'log with multiple --grep uses union' '
 472         git log --grep=i --grep=r --format=%s >actual &&
 473         {
 474                 echo fourth && echo third && echo initial
 475         } >expect &&
 476         test_cmp expect actual
 477 '
 478
 479 test_expect_success 'log --all-match with multiple --grep uses intersection' '
 480         git log --all-match --grep=i --grep=r --format=%s >actual &&
 481         {
 482                 echo third
 483         } >expect &&
 484         test_cmp expect actual
 485 '
 486
 487 test_expect_success 'log with multiple --author uses union' '
 488         git log --author="Thor" --author="Aster" --format=%s >actual &&
 489         {
 490             echo third && echo second && echo initial
 491         } >expect &&
 492         test_cmp expect actual
 493 '
 494
 495 test_expect_success 'log --all-match with multiple --author still uses union' '
 496         git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 497         {
 498             echo third && echo second && echo initial
 499         } >expect &&
 500         test_cmp expect actual
 501 '
 502
 503 test_expect_success 'log --grep --author uses intersection' '
 504         # grep matches only third and fourth
 505         # author matches only initial and third
 506         git log --author="A U Thor" --grep=r --format=%s >actual &&
 507         {
 508                 echo third
 509         } >expect &&
 510         test_cmp expect actual
 511 '
 512
 513 test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 514         # grep matches initial and second but not third
 515         # author matches only initial and third
 516         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 517         {
 518                 echo initial
 519         } >expect &&
 520         test_cmp expect actual
 521 '
 522
 523 test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
 524         # grep matches only initial and third
 525         # author matches all but second
 526         git log --all-match --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 527         {
 528             echo third && echo initial
 529         } >expect &&
 530         test_cmp expect actual
 531 '
 532
 533 test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
 534         # grep matches only initial and third
 535         # author matches all but second
 536         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 537         {
 538             echo third && echo initial
 539         } >expect &&
 540         test_cmp expect actual
 541 '
 542
 543 test_expect_success 'log --all-match --grep --grep --author takes intersection' '
 544         # grep matches only third
 545         # author matches only initial and third
 546         git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
 547         {
 548                 echo third
 549         } >expect &&
 550         test_cmp expect actual
 551 '
 552
 553 test_expect_success 'grep with CE_VALID file' '
 554         git update-index --assume-unchanged t/t &&
 555         rm t/t &&
 556         test "$(git grep test)" = "t/t:test" &&
 557         git update-index --no-assume-unchanged t/t &&
 558         git checkout t/t
 559 '
 560
 561 cat >expected <<EOF
 562 hello.c=#include <stdio.h>
 563 hello.c:        return 0;
 564 EOF
 565
 566 test_expect_success 'grep -p with userdiff' '
 567         git config diff.custom.funcname "^#" &&
 568         echo "hello.c diff=custom" >.gitattributes &&
 569         git grep -p return >actual &&
 570         test_cmp expected actual
 571 '
 572
 573 cat >expected <<EOF
 574 hello.c=int main(int argc, const char **argv)
 575 hello.c:        return 0;
 576 EOF
 577
 578 test_expect_success 'grep -p' '
 579         rm -f .gitattributes &&
 580         git grep -p return >actual &&
 581         test_cmp expected actual
 582 '
 583
 584 cat >expected <<EOF
 585 hello.c-#include <stdio.h>
 586 hello.c=int main(int argc, const char **argv)
 587 hello.c-{
 588 hello.c-        printf("Hello world.\n");
 589 hello.c:        return 0;
 590 EOF
 591
 592 test_expect_success 'grep -p -B5' '
 593         git grep -p -B5 return >actual &&
 594         test_cmp expected actual
 595 '
 596
 597 cat >expected <<EOF
 598 hello.c=int main(int argc, const char **argv)
 599 hello.c-{
 600 hello.c-        printf("Hello world.\n");
 601 hello.c:        return 0;
 602 hello.c-        /* char ?? */
 603 hello.c-}
 604 EOF
 605
 606 test_expect_success 'grep -W' '
 607         git grep -W return >actual &&
 608         test_cmp expected actual
 609 '
 610
 611 cat >expected <<EOF
 612 hello.c=        printf("Hello world.\n");
 613 hello.c:        return 0;
 614 hello.c-        /* char ?? */
 615 EOF
 616
 617 test_expect_success 'grep -W with userdiff' '
 618         test_when_finished "rm -f .gitattributes" &&
 619         git config diff.custom.xfuncname "(printf.*|})$" &&
 620         echo "hello.c diff=custom" >.gitattributes &&
 621         git grep -W return >actual &&
 622         test_cmp expected actual
 623 '
 624
 625 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 626         mkdir -p s &&
 627         (
 628                 cd s && git grep "x x x" ..
 629         )
 630 '
 631
 632 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 633         mkdir -p s &&
 634         (
 635                 cd s || exit 1
 636                 ( git grep xxyyzz .. >out ; echo $? >status )
 637                 ! test -s out &&
 638                 test 1 = $(cat status)
 639         )
 640 '
 641
 642 cat >expected <<EOF
 643 hello.c:int main(int argc, const char **argv)
 644 EOF
 645
 646 test_expect_success 'grep -Fi' '
 647         git grep -Fi "CHAR *" >actual &&
 648         test_cmp expected actual
 649 '
 650
 651 test_expect_success 'outside of git repository' '
 652         rm -fr non &&
 653         mkdir -p non/git/sub &&
 654         echo hello >non/git/file1 &&
 655         echo world >non/git/sub/file2 &&
 656         {
 657                 echo file1:hello &&
 658                 echo sub/file2:world
 659         } >non/expect.full &&
 660         echo file2:world >non/expect.sub &&
 661         (
 662                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 663                 export GIT_CEILING_DIRECTORIES &&
 664                 cd non/git &&
 665                 test_must_fail git grep o &&
 666                 git grep --no-index o >../actual.full &&
 667                 test_cmp ../expect.full ../actual.full
 668                 cd sub &&
 669                 test_must_fail git grep o &&
 670                 git grep --no-index o >../../actual.sub &&
 671                 test_cmp ../../expect.sub ../../actual.sub
 672         ) &&
 673
 674         echo ".*o*" >non/git/.gitignore &&
 675         (
 676                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 677                 export GIT_CEILING_DIRECTORIES &&
 678                 cd non/git &&
 679                 test_must_fail git grep o &&
 680                 git grep --no-index --exclude-standard o >../actual.full &&
 681                 test_cmp ../expect.full ../actual.full &&
 682
 683                 {
 684                         echo ".gitignore:.*o*"
 685                         cat ../expect.full
 686                 } >../expect.with.ignored &&
 687                 git grep --no-index --no-exclude o >../actual.full &&
 688                 test_cmp ../expect.with.ignored ../actual.full
 689         )
 690 '
 691
 692 test_expect_success 'inside git repository but with --no-index' '
 693         rm -fr is &&
 694         mkdir -p is/git/sub &&
 695         echo hello >is/git/file1 &&
 696         echo world >is/git/sub/file2 &&
 697         echo ".*o*" >is/git/.gitignore &&
 698         {
 699                 echo file1:hello &&
 700                 echo sub/file2:world
 701         } >is/expect.unignored &&
 702         {
 703                 echo ".gitignore:.*o*" &&
 704                 cat is/expect.unignored
 705         } >is/expect.full &&
 706         : >is/expect.empty &&
 707         echo file2:world >is/expect.sub &&
 708         (
 709                 cd is/git &&
 710                 git init &&
 711                 test_must_fail git grep o >../actual.full &&
 712                 test_cmp ../expect.empty ../actual.full &&
 713
 714                 git grep --untracked o >../actual.unignored &&
 715                 test_cmp ../expect.unignored ../actual.unignored &&
 716
 717                 git grep --no-index o >../actual.full &&
 718                 test_cmp ../expect.full ../actual.full &&
 719
 720                 git grep --no-index --exclude-standard o >../actual.unignored &&
 721                 test_cmp ../expect.unignored ../actual.unignored &&
 722
 723                 cd sub &&
 724                 test_must_fail git grep o >../../actual.sub &&
 725                 test_cmp ../../expect.empty ../../actual.sub &&
 726
 727                 git grep --no-index o >../../actual.sub &&
 728                 test_cmp ../../expect.sub ../../actual.sub &&
 729
 730                 git grep --untracked o >../../actual.sub &&
 731                 test_cmp ../../expect.sub ../../actual.sub
 732         )
 733 '
 734
 735 test_expect_success 'setup double-dash tests' '
 736 cat >double-dash <<EOF &&
 737 --
 738 ->
 739 other
 740 EOF
 741 git add double-dash
 742 '
 743
 744 cat >expected <<EOF
 745 double-dash:->
 746 EOF
 747 test_expect_success 'grep -- pattern' '
 748         git grep -- "->" >actual &&
 749         test_cmp expected actual
 750 '
 751 test_expect_success 'grep -- pattern -- pathspec' '
 752         git grep -- "->" -- double-dash >actual &&
 753         test_cmp expected actual
 754 '
 755 test_expect_success 'grep -e pattern -- path' '
 756         git grep -e "->" -- double-dash >actual &&
 757         test_cmp expected actual
 758 '
 759
 760 cat >expected <<EOF
 761 double-dash:--
 762 EOF
 763 test_expect_success 'grep -e -- -- path' '
 764         git grep -e -- -- double-dash >actual &&
 765         test_cmp expected actual
 766 '
 767
 768 cat >expected <<EOF
 769 hello.c:int main(int argc, const char **argv)
 770 hello.c:        printf("Hello world.\n");
 771 EOF
 772
 773 test_expect_success LIBPCRE 'grep --perl-regexp pattern' '
 774         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 775         test_cmp expected actual
 776 '
 777
 778 test_expect_success LIBPCRE 'grep -P pattern' '
 779         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 780         test_cmp expected actual
 781 '
 782
 783 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
 784         >empty &&
 785         test_must_fail git -c grep.extendedregexp=true \
 786                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 787         test_cmp empty actual
 788 '
 789
 790 test_expect_success LIBPCRE 'grep -P pattern with grep.extendedRegexp=true' '
 791         git -c grep.extendedregexp=true \
 792                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 793         test_cmp expected actual
 794 '
 795
 796 test_expect_success LIBPCRE 'grep -P -v pattern' '
 797         {
 798                 echo "ab:a+b*c"
 799                 echo "ab:a+bc"
 800         } >expected &&
 801         git grep -P -v "abc" ab >actual &&
 802         test_cmp expected actual
 803 '
 804
 805 test_expect_success LIBPCRE 'grep -P -i pattern' '
 806         cat >expected <<-EOF &&
 807         hello.c:        printf("Hello world.\n");
 808         EOF
 809         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
 810         test_cmp expected actual
 811 '
 812
 813 test_expect_success LIBPCRE 'grep -P -w pattern' '
 814         {
 815                 echo "hello_world:Hello world"
 816                 echo "hello_world:HeLLo world"
 817         } >expected &&
 818         git grep -P -w "He((?i)ll)o" hello_world >actual &&
 819         test_cmp expected actual
 820 '
 821
 822 test_expect_success 'grep -G invalidpattern properly dies ' '
 823         test_must_fail git grep -G "a["
 824 '
 825
 826 test_expect_success 'grep -E invalidpattern properly dies ' '
 827         test_must_fail git grep -E "a["
 828 '
 829
 830 test_expect_success LIBPCRE 'grep -P invalidpattern properly dies ' '
 831         test_must_fail git grep -P "a["
 832 '
 833
 834 test_expect_success 'grep -G -E -F pattern' '
 835         echo "ab:a+b*c" >expected &&
 836         git grep -G -E -F "a+b*c" ab >actual &&
 837         test_cmp expected actual
 838 '
 839
 840 test_expect_success 'grep -E -F -G pattern' '
 841         echo "ab:a+bc" >expected &&
 842         git grep -E -F -G "a+b*c" ab >actual &&
 843         test_cmp expected actual
 844 '
 845
 846 test_expect_success 'grep -F -G -E pattern' '
 847         echo "ab:abc" >expected &&
 848         git grep -F -G -E "a+b*c" ab >actual &&
 849         test_cmp expected actual
 850 '
 851
 852 test_expect_success 'grep -G -F -P -E pattern' '
 853         >empty &&
 854         test_must_fail git grep -G -F -P -E "a\x{2b}b\x{2a}c" ab >actual &&
 855         test_cmp empty actual
 856 '
 857
 858 test_expect_success LIBPCRE 'grep -G -F -E -P pattern' '
 859         echo "ab:a+b*c" >expected &&
 860         git grep -G -F -E -P "a\x{2b}b\x{2a}c" ab >actual &&
 861         test_cmp expected actual
 862 '
 863
 864 test_config() {
 865         git config "$1" "$2" &&
 866         test_when_finished "git config --unset $1"
 867 }
 868
 869 cat >expected <<EOF
 870 hello.c<RED>:<RESET>int main(int argc, const char **argv)
 871 hello.c<RED>-<RESET>{
 872 <RED>--<RESET>
 873 hello.c<RED>:<RESET>    /* char ?? */
 874 hello.c<RED>-<RESET>}
 875 <RED>--<RESET>
 876 hello_world<RED>:<RESET>Hello_world
 877 hello_world<RED>-<RESET>HeLLo_world
 878 EOF
 879
 880 test_expect_success 'grep --color, separator' '
 881         test_config color.grep.context          normal &&
 882         test_config color.grep.filename         normal &&
 883         test_config color.grep.function         normal &&
 884         test_config color.grep.linenumber       normal &&
 885         test_config color.grep.match            normal &&
 886         test_config color.grep.selected         normal &&
 887         test_config color.grep.separator        red &&
 888
 889         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
 890         test_decode_color >actual &&
 891         test_cmp expected actual
 892 '
 893
 894 cat >expected <<EOF
 895 hello.c:int main(int argc, const char **argv)
 896 hello.c:        /* char ?? */
 897
 898 hello_world:Hello_world
 899 EOF
 900
 901 test_expect_success 'grep --break' '
 902         git grep --break -e char -e lo_w hello.c hello_world >actual &&
 903         test_cmp expected actual
 904 '
 905
 906 cat >expected <<EOF
 907 hello.c:int main(int argc, const char **argv)
 908 hello.c-{
 909 --
 910 hello.c:        /* char ?? */
 911 hello.c-}
 912
 913 hello_world:Hello_world
 914 hello_world-HeLLo_world
 915 EOF
 916
 917 test_expect_success 'grep --break with context' '
 918         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
 919         test_cmp expected actual
 920 '
 921
 922 cat >expected <<EOF
 923 hello.c
 924 int main(int argc, const char **argv)
 925         /* char ?? */
 926 hello_world
 927 Hello_world
 928 EOF
 929
 930 test_expect_success 'grep --heading' '
 931         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
 932         test_cmp expected actual
 933 '
 934
 935 cat >expected <<EOF
 936 <BOLD;GREEN>hello.c<RESET>
 937 2:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
 938 6:      /* <BLACK;BYELLOW>char<RESET> ?? */
 939
 940 <BOLD;GREEN>hello_world<RESET>
 941 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
 942 EOF
 943
 944 test_expect_success 'mimic ack-grep --group' '
 945         test_config color.grep.context          normal &&
 946         test_config color.grep.filename         "bold green" &&
 947         test_config color.grep.function         normal &&
 948         test_config color.grep.linenumber       normal &&
 949         test_config color.grep.match            "black yellow" &&
 950         test_config color.grep.selected         normal &&
 951         test_config color.grep.separator        normal &&
 952
 953         git grep --break --heading -n --color \
 954                 -e char -e lo_w hello.c hello_world |
 955         test_decode_color >actual &&
 956         test_cmp expected actual
 957 '
 958
 959 cat >expected <<EOF
 960 space: line with leading space1
 961 space: line with leading space2
 962 space: line with leading space3
 963 EOF
 964
 965 test_expect_success LIBPCRE 'grep -E "^ "' '
 966         git grep -E "^ " space >actual &&
 967         test_cmp expected actual
 968 '
 969
 970 test_expect_success LIBPCRE 'grep -P "^ "' '
 971         git grep -P "^ " space >actual &&
 972         test_cmp expected actual
 973 '
 974
 975 test_done