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
 254         test_expect_success "grep $L with grep.patterntype=basic" '
 255                 echo "ab:a+bc" >expected &&
 256                 git -c grep.patterntype=basic grep "a+b*c" ab >actual &&
 257                 test_cmp expected actual
 258         '
 259
 260         test_expect_success "grep $L with grep.patterntype=extended" '
 261                 echo "ab:abc" >expected &&
 262                 git -c grep.patterntype=extended grep "a+b*c" ab >actual &&
 263                 test_cmp expected actual
 264         '
 265
 266         test_expect_success "grep $L with grep.patterntype=fixed" '
 267                 echo "ab:a+b*c" >expected &&
 268                 git -c grep.patterntype=fixed grep "a+b*c" ab >actual &&
 269                 test_cmp expected actual
 270         '
 271
 272         test_expect_success LIBPCRE "grep $L with grep.patterntype=perl" '
 273                 echo "ab:a+b*c" >expected &&
 274                 git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" ab >actual &&
 275                 test_cmp expected actual
 276         '
 277
 278         test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
 279                 echo "ab:abc" >expected &&
 280                 git \
 281                         -c grep.patternType=default \
 282                         -c grep.extendedRegexp=true \
 283                         grep "a+b*c" ab >actual &&
 284                 test_cmp expected actual
 285         '
 286
 287         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
 288                 echo "ab:abc" >expected &&
 289                 git \
 290                         -c grep.extendedRegexp=true \
 291                         -c grep.patternType=default \
 292                         grep "a+b*c" ab >actual &&
 293                 test_cmp expected actual
 294         '
 295
 296         test_expect_success 'grep $L with grep.patternType=extended and grep.extendedRegexp=false' '
 297                 echo "ab:abc" >expected &&
 298                 git \
 299                         -c grep.patternType=extended \
 300                         -c grep.extendedRegexp=false \
 301                         grep "a+b*c" ab >actual &&
 302                 test_cmp expected actual
 303         '
 304
 305         test_expect_success 'grep $L with grep.patternType=basic and grep.extendedRegexp=true' '
 306                 echo "ab:a+bc" >expected &&
 307                 git \
 308                         -c grep.patternType=basic \
 309                         -c grep.extendedRegexp=true \
 310                         grep "a+b*c" ab >actual &&
 311                 test_cmp expected actual
 312         '
 313
 314         test_expect_success 'grep $L with grep.extendedRegexp=false and grep.patternType=extended' '
 315                 echo "ab:abc" >expected &&
 316                 git \
 317                         -c grep.extendedRegexp=false \
 318                         -c grep.patternType=extended \
 319                         grep "a+b*c" ab >actual &&
 320                 test_cmp expected actual
 321         '
 322
 323         test_expect_success 'grep $L with grep.extendedRegexp=true and grep.patternType=basic' '
 324                 echo "ab:a+bc" >expected &&
 325                 git \
 326                         -c grep.extendedRegexp=true \
 327                         -c grep.patternType=basic \
 328                         grep "a+b*c" ab >actual &&
 329                 test_cmp expected actual
 330         '
 331 done
 332
 333 cat >expected <<EOF
 334 file
 335 EOF
 336 test_expect_success 'grep -l -C' '
 337         git grep -l -C1 foo >actual &&
 338         test_cmp expected actual
 339 '
 340
 341 cat >expected <<EOF
 342 file:5
 343 EOF
 344 test_expect_success 'grep -l -C' '
 345         git grep -c -C1 foo >actual &&
 346         test_cmp expected actual
 347 '
 348
 349 test_expect_success 'grep -L -C' '
 350         git ls-files >expected &&
 351         git grep -L -C1 nonexistent_string >actual &&
 352         test_cmp expected actual
 353 '
 354
 355 cat >expected <<EOF
 356 file:foo mmap bar_mmap
 357 EOF
 358
 359 test_expect_success 'grep -e A --and -e B' '
 360         git grep -e "foo mmap" --and -e bar_mmap >actual &&
 361         test_cmp expected actual
 362 '
 363
 364 cat >expected <<EOF
 365 file:foo_mmap bar mmap
 366 file:foo_mmap bar mmap baz
 367 EOF
 368
 369
 370 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 371         git grep \( -e foo_ --or -e baz \) \
 372                 --and -e " mmap" >actual &&
 373         test_cmp expected actual
 374 '
 375
 376 cat >expected <<EOF
 377 file:foo mmap bar
 378 EOF
 379
 380 test_expect_success 'grep -e A --and --not -e B' '
 381         git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 382         test_cmp expected actual
 383 '
 384
 385 test_expect_success 'grep should ignore GREP_OPTIONS' '
 386         GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 387         test_cmp expected actual
 388 '
 389
 390 test_expect_success 'grep -f, non-existent file' '
 391         test_must_fail git grep -f patterns
 392 '
 393
 394 cat >expected <<EOF
 395 file:foo mmap bar
 396 file:foo_mmap bar
 397 file:foo_mmap bar mmap
 398 file:foo mmap bar_mmap
 399 file:foo_mmap bar mmap baz
 400 EOF
 401
 402 cat >pattern <<EOF
 403 mmap
 404 EOF
 405
 406 test_expect_success 'grep -f, one pattern' '
 407         git grep -f pattern >actual &&
 408         test_cmp expected actual
 409 '
 410
 411 cat >expected <<EOF
 412 file:foo mmap bar
 413 file:foo_mmap bar
 414 file:foo_mmap bar mmap
 415 file:foo mmap bar_mmap
 416 file:foo_mmap bar mmap baz
 417 t/a/v:vvv
 418 t/v:vvv
 419 v:vvv
 420 EOF
 421
 422 cat >patterns <<EOF
 423 mmap
 424 vvv
 425 EOF
 426
 427 test_expect_success 'grep -f, multiple patterns' '
 428         git grep -f patterns >actual &&
 429         test_cmp expected actual
 430 '
 431
 432 test_expect_success 'grep, multiple patterns' '
 433         git grep "$(cat patterns)" >actual &&
 434         test_cmp expected actual
 435 '
 436
 437 cat >expected <<EOF
 438 file:foo mmap bar
 439 file:foo_mmap bar
 440 file:foo_mmap bar mmap
 441 file:foo mmap bar_mmap
 442 file:foo_mmap bar mmap baz
 443 t/a/v:vvv
 444 t/v:vvv
 445 v:vvv
 446 EOF
 447
 448 cat >patterns <<EOF
 449
 450 mmap
 451
 452 vvv
 453
 454 EOF
 455
 456 test_expect_success 'grep -f, ignore empty lines' '
 457         git grep -f patterns >actual &&
 458         test_cmp expected actual
 459 '
 460
 461 test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 462         git grep -f - <patterns >actual &&
 463         test_cmp expected actual
 464 '
 465
 466 cat >expected <<EOF
 467 y:y yy
 468 --
 469 z:zzz
 470 EOF
 471
 472 test_expect_success 'grep -q, silently report matches' '
 473         >empty &&
 474         git grep -q mmap >actual &&
 475         test_cmp empty actual &&
 476         test_must_fail git grep -q qfwfq >actual &&
 477         test_cmp empty actual
 478 '
 479
 480 # Create 1024 file names that sort between "y" and "z" to make sure
 481 # the two files are handled by different calls to an external grep.
 482 # This depends on MAXARGS in builtin-grep.c being 1024 or less.
 483 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"
 484 test_expect_success 'grep -C1, hunk mark between files' '
 485         for a in $c32; do for b in $c32; do : >y-$a$b; done; done &&
 486         git add y-?? &&
 487         git grep -C1 "^[yz]" >actual &&
 488         test_cmp expected actual
 489 '
 490
 491 test_expect_success 'grep -C1 hunk mark between files' '
 492         git grep -C1 "^[yz]" >actual &&
 493         test_cmp expected actual
 494 '
 495
 496 test_expect_success 'log grep setup' '
 497         echo a >>file &&
 498         test_tick &&
 499         GIT_AUTHOR_NAME="With * Asterisk" \
 500         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 501         git commit -a -m "second" &&
 502
 503         echo a >>file &&
 504         test_tick &&
 505         git commit -a -m "third" &&
 506
 507         echo a >>file &&
 508         test_tick &&
 509         GIT_AUTHOR_NAME="Night Fall" \
 510         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 511         git commit -a -m "fourth"
 512 '
 513
 514 test_expect_success 'log grep (1)' '
 515         git log --author=author --pretty=tformat:%s >actual &&
 516         ( echo third ; echo initial ) >expect &&
 517         test_cmp expect actual
 518 '
 519
 520 test_expect_success 'log grep (2)' '
 521         git log --author=" * " -F --pretty=tformat:%s >actual &&
 522         ( echo second ) >expect &&
 523         test_cmp expect actual
 524 '
 525
 526 test_expect_success 'log grep (3)' '
 527         git log --author="^A U" --pretty=tformat:%s >actual &&
 528         ( echo third ; echo initial ) >expect &&
 529         test_cmp expect actual
 530 '
 531
 532 test_expect_success 'log grep (4)' '
 533         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 534         ( echo second ) >expect &&
 535         test_cmp expect actual
 536 '
 537
 538 test_expect_success 'log grep (5)' '
 539         git log --author=Thor -F --pretty=tformat:%s >actual &&
 540         ( echo third ; echo initial ) >expect &&
 541         test_cmp expect actual
 542 '
 543
 544 test_expect_success 'log grep (6)' '
 545         git log --author=-0700  --pretty=tformat:%s >actual &&
 546         >expect &&
 547         test_cmp expect actual
 548 '
 549
 550 test_expect_success 'log --grep --author implicitly uses all-match' '
 551         # grep matches initial and second but not third
 552         # author matches only initial and third
 553         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 554         echo initial >expect &&
 555         test_cmp expect actual
 556 '
 557
 558 test_expect_success 'log with multiple --author uses union' '
 559         git log --author="Thor" --author="Aster" --format=%s >actual &&
 560         {
 561             echo third && echo second && echo initial
 562         } >expect &&
 563         test_cmp expect actual
 564 '
 565
 566 test_expect_success 'log with --grep and multiple --author uses all-match' '
 567         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 568         {
 569             echo third && echo initial
 570         } >expect &&
 571         test_cmp expect actual
 572 '
 573
 574 test_expect_success 'log with --grep and multiple --author uses all-match' '
 575         git log --author="Thor" --author="Night" --grep=q --format=%s >actual &&
 576         >expect &&
 577         test_cmp expect actual
 578 '
 579
 580 test_expect_success 'grep with CE_VALID file' '
 581         git update-index --assume-unchanged t/t &&
 582         rm t/t &&
 583         test "$(git grep test)" = "t/t:test" &&
 584         git update-index --no-assume-unchanged t/t &&
 585         git checkout t/t
 586 '
 587
 588 cat >expected <<EOF
 589 hello.c=#include <stdio.h>
 590 hello.c:        return 0;
 591 EOF
 592
 593 test_expect_success 'grep -p with userdiff' '
 594         git config diff.custom.funcname "^#" &&
 595         echo "hello.c diff=custom" >.gitattributes &&
 596         git grep -p return >actual &&
 597         test_cmp expected actual
 598 '
 599
 600 cat >expected <<EOF
 601 hello.c=int main(int argc, const char **argv)
 602 hello.c:        return 0;
 603 EOF
 604
 605 test_expect_success 'grep -p' '
 606         rm -f .gitattributes &&
 607         git grep -p return >actual &&
 608         test_cmp expected actual
 609 '
 610
 611 cat >expected <<EOF
 612 hello.c-#include <stdio.h>
 613 hello.c=int main(int argc, const char **argv)
 614 hello.c-{
 615 hello.c-        printf("Hello world.\n");
 616 hello.c:        return 0;
 617 EOF
 618
 619 test_expect_success 'grep -p -B5' '
 620         git grep -p -B5 return >actual &&
 621         test_cmp expected actual
 622 '
 623
 624 cat >expected <<EOF
 625 hello.c=int main(int argc, const char **argv)
 626 hello.c-{
 627 hello.c-        printf("Hello world.\n");
 628 hello.c:        return 0;
 629 hello.c-        /* char ?? */
 630 hello.c-}
 631 EOF
 632
 633 test_expect_success 'grep -W' '
 634         git grep -W return >actual &&
 635         test_cmp expected actual
 636 '
 637
 638 cat >expected <<EOF
 639 hello.c=        printf("Hello world.\n");
 640 hello.c:        return 0;
 641 hello.c-        /* char ?? */
 642 EOF
 643
 644 test_expect_success 'grep -W with userdiff' '
 645         test_when_finished "rm -f .gitattributes" &&
 646         git config diff.custom.xfuncname "(printf.*|})$" &&
 647         echo "hello.c diff=custom" >.gitattributes &&
 648         git grep -W return >actual &&
 649         test_cmp expected actual
 650 '
 651
 652 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 653         mkdir -p s &&
 654         (
 655                 cd s && git grep "x x x" ..
 656         )
 657 '
 658
 659 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 660         mkdir -p s &&
 661         (
 662                 cd s || exit 1
 663                 ( git grep xxyyzz .. >out ; echo $? >status )
 664                 ! test -s out &&
 665                 test 1 = $(cat status)
 666         )
 667 '
 668
 669 cat >expected <<EOF
 670 hello.c:int main(int argc, const char **argv)
 671 EOF
 672
 673 test_expect_success 'grep -Fi' '
 674         git grep -Fi "CHAR *" >actual &&
 675         test_cmp expected actual
 676 '
 677
 678 test_expect_success 'outside of git repository' '
 679         rm -fr non &&
 680         mkdir -p non/git/sub &&
 681         echo hello >non/git/file1 &&
 682         echo world >non/git/sub/file2 &&
 683         {
 684                 echo file1:hello &&
 685                 echo sub/file2:world
 686         } >non/expect.full &&
 687         echo file2:world >non/expect.sub &&
 688         (
 689                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 690                 export GIT_CEILING_DIRECTORIES &&
 691                 cd non/git &&
 692                 test_must_fail git grep o &&
 693                 git grep --no-index o >../actual.full &&
 694                 test_cmp ../expect.full ../actual.full
 695                 cd sub &&
 696                 test_must_fail git grep o &&
 697                 git grep --no-index o >../../actual.sub &&
 698                 test_cmp ../../expect.sub ../../actual.sub
 699         ) &&
 700
 701         echo ".*o*" >non/git/.gitignore &&
 702         (
 703                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 704                 export GIT_CEILING_DIRECTORIES &&
 705                 cd non/git &&
 706                 test_must_fail git grep o &&
 707                 git grep --no-index --exclude-standard o >../actual.full &&
 708                 test_cmp ../expect.full ../actual.full &&
 709
 710                 {
 711                         echo ".gitignore:.*o*"
 712                         cat ../expect.full
 713                 } >../expect.with.ignored &&
 714                 git grep --no-index --no-exclude o >../actual.full &&
 715                 test_cmp ../expect.with.ignored ../actual.full
 716         )
 717 '
 718
 719 test_expect_success 'inside git repository but with --no-index' '
 720         rm -fr is &&
 721         mkdir -p is/git/sub &&
 722         echo hello >is/git/file1 &&
 723         echo world >is/git/sub/file2 &&
 724         echo ".*o*" >is/git/.gitignore &&
 725         {
 726                 echo file1:hello &&
 727                 echo sub/file2:world
 728         } >is/expect.unignored &&
 729         {
 730                 echo ".gitignore:.*o*" &&
 731                 cat is/expect.unignored
 732         } >is/expect.full &&
 733         : >is/expect.empty &&
 734         echo file2:world >is/expect.sub &&
 735         (
 736                 cd is/git &&
 737                 git init &&
 738                 test_must_fail git grep o >../actual.full &&
 739                 test_cmp ../expect.empty ../actual.full &&
 740
 741                 git grep --untracked o >../actual.unignored &&
 742                 test_cmp ../expect.unignored ../actual.unignored &&
 743
 744                 git grep --no-index o >../actual.full &&
 745                 test_cmp ../expect.full ../actual.full &&
 746
 747                 git grep --no-index --exclude-standard o >../actual.unignored &&
 748                 test_cmp ../expect.unignored ../actual.unignored &&
 749
 750                 cd sub &&
 751                 test_must_fail git grep o >../../actual.sub &&
 752                 test_cmp ../../expect.empty ../../actual.sub &&
 753
 754                 git grep --no-index o >../../actual.sub &&
 755                 test_cmp ../../expect.sub ../../actual.sub &&
 756
 757                 git grep --untracked o >../../actual.sub &&
 758                 test_cmp ../../expect.sub ../../actual.sub
 759         )
 760 '
 761
 762 test_expect_success 'setup double-dash tests' '
 763 cat >double-dash <<EOF &&
 764 --
 765 ->
 766 other
 767 EOF
 768 git add double-dash
 769 '
 770
 771 cat >expected <<EOF
 772 double-dash:->
 773 EOF
 774 test_expect_success 'grep -- pattern' '
 775         git grep -- "->" >actual &&
 776         test_cmp expected actual
 777 '
 778 test_expect_success 'grep -- pattern -- pathspec' '
 779         git grep -- "->" -- double-dash >actual &&
 780         test_cmp expected actual
 781 '
 782 test_expect_success 'grep -e pattern -- path' '
 783         git grep -e "->" -- double-dash >actual &&
 784         test_cmp expected actual
 785 '
 786
 787 cat >expected <<EOF
 788 double-dash:--
 789 EOF
 790 test_expect_success 'grep -e -- -- path' '
 791         git grep -e -- -- double-dash >actual &&
 792         test_cmp expected actual
 793 '
 794
 795 cat >expected <<EOF
 796 hello.c:int main(int argc, const char **argv)
 797 hello.c:        printf("Hello world.\n");
 798 EOF
 799
 800 test_expect_success LIBPCRE 'grep --perl-regexp pattern' '
 801         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 802         test_cmp expected actual
 803 '
 804
 805 test_expect_success LIBPCRE 'grep -P pattern' '
 806         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 807         test_cmp expected actual
 808 '
 809
 810 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
 811         >empty &&
 812         test_must_fail git -c grep.extendedregexp=true \
 813                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 814         test_cmp empty actual
 815 '
 816
 817 test_expect_success LIBPCRE 'grep -P pattern with grep.extendedRegexp=true' '
 818         git -c grep.extendedregexp=true \
 819                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 820         test_cmp expected actual
 821 '
 822
 823 test_expect_success LIBPCRE 'grep -P -v pattern' '
 824         {
 825                 echo "ab:a+b*c"
 826                 echo "ab:a+bc"
 827         } >expected &&
 828         git grep -P -v "abc" ab >actual &&
 829         test_cmp expected actual
 830 '
 831
 832 test_expect_success LIBPCRE 'grep -P -i pattern' '
 833         cat >expected <<-EOF &&
 834         hello.c:        printf("Hello world.\n");
 835         EOF
 836         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
 837         test_cmp expected actual
 838 '
 839
 840 test_expect_success LIBPCRE 'grep -P -w pattern' '
 841         {
 842                 echo "hello_world:Hello world"
 843                 echo "hello_world:HeLLo world"
 844         } >expected &&
 845         git grep -P -w "He((?i)ll)o" hello_world >actual &&
 846         test_cmp expected actual
 847 '
 848
 849 test_expect_success 'grep -G invalidpattern properly dies ' '
 850         test_must_fail git grep -G "a["
 851 '
 852
 853 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
 854         test_must_fail git -c grep.patterntype=basic grep "a["
 855 '
 856
 857 test_expect_success 'grep -E invalidpattern properly dies ' '
 858         test_must_fail git grep -E "a["
 859 '
 860
 861 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
 862         test_must_fail git -c grep.patterntype=extended grep "a["
 863 '
 864
 865 test_expect_success LIBPCRE 'grep -P invalidpattern properly dies ' '
 866         test_must_fail git grep -P "a["
 867 '
 868
 869 test_expect_success LIBPCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
 870         test_must_fail git -c grep.patterntype=perl grep "a["
 871 '
 872
 873 test_expect_success 'grep -G -E -F pattern' '
 874         echo "ab:a+b*c" >expected &&
 875         git grep -G -E -F "a+b*c" ab >actual &&
 876         test_cmp expected actual
 877 '
 878
 879 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
 880         echo "ab:a+b*c" >expected &&
 881         git \
 882                 -c grep.patterntype=basic \
 883                 -c grep.patterntype=extended \
 884                 -c grep.patterntype=fixed \
 885                 grep "a+b*c" ab >actual &&
 886         test_cmp expected actual
 887 '
 888
 889 test_expect_success 'grep -E -F -G pattern' '
 890         echo "ab:a+bc" >expected &&
 891         git grep -E -F -G "a+b*c" ab >actual &&
 892         test_cmp expected actual
 893 '
 894
 895 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
 896         echo "ab:a+bc" >expected &&
 897         git \
 898                 -c grep.patterntype=extended \
 899                 -c grep.patterntype=fixed \
 900                 -c grep.patterntype=basic \
 901                 grep "a+b*c" ab >actual &&
 902         test_cmp expected actual
 903 '
 904
 905 test_expect_success 'grep -F -G -E pattern' '
 906         echo "ab:abc" >expected &&
 907         git grep -F -G -E "a+b*c" ab >actual &&
 908         test_cmp expected actual
 909 '
 910
 911 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
 912         echo "ab:abc" >expected &&
 913         git \
 914                 -c grep.patterntype=fixed \
 915                 -c grep.patterntype=basic \
 916                 -c grep.patterntype=extended \
 917                 grep "a+b*c" ab >actual &&
 918         test_cmp expected actual
 919 '
 920
 921 test_expect_success 'grep -G -F -P -E pattern' '
 922         >empty &&
 923         test_must_fail git grep -G -F -P -E "a\x{2b}b\x{2a}c" ab >actual &&
 924         test_cmp empty actual
 925 '
 926
 927 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
 928         >empty &&
 929         test_must_fail git \
 930                 -c grep.patterntype=fixed \
 931                 -c grep.patterntype=basic \
 932                 -c grep.patterntype=perl \
 933                 -c grep.patterntype=extended \
 934                 grep "a\x{2b}b\x{2a}c" ab >actual &&
 935         test_cmp empty actual
 936 '
 937
 938 test_expect_success LIBPCRE 'grep -G -F -E -P pattern' '
 939         echo "ab:a+b*c" >expected &&
 940         git grep -G -F -E -P "a\x{2b}b\x{2a}c" ab >actual &&
 941         test_cmp expected actual
 942 '
 943
 944 test_expect_success LIBPCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
 945         echo "ab:a+b*c" >expected &&
 946         git \
 947                 -c grep.patterntype=fixed \
 948                 -c grep.patterntype=basic \
 949                 -c grep.patterntype=extended \
 950                 -c grep.patterntype=perl \
 951                 grep "a\x{2b}b\x{2a}c" ab >actual &&
 952         test_cmp expected actual
 953 '
 954
 955 test_expect_success LIBPCRE 'grep -P pattern with grep.patternType=fixed' '
 956         echo "ab:a+b*c" >expected &&
 957         git \
 958                 -c grep.patterntype=fixed \
 959                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
 960         test_cmp expected actual
 961 '
 962
 963 test_expect_success 'grep -F pattern with grep.patternType=basic' '
 964         echo "ab:a+b*c" >expected &&
 965         git \
 966                 -c grep.patterntype=basic \
 967                 grep -F "*c" ab >actual &&
 968         test_cmp expected actual
 969 '
 970
 971 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
 972         {
 973                 echo "ab:a+b*c"
 974                 echo "ab:a+bc"
 975         } >expected &&
 976         git \
 977                 -c grep.patterntype=fixed \
 978                 grep -G "a+b" ab >actual &&
 979         test_cmp expected actual
 980 '
 981
 982 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
 983         {
 984                 echo "ab:a+b*c"
 985                 echo "ab:a+bc"
 986                 echo "ab:abc"
 987         } >expected &&
 988         git \
 989                 -c grep.patterntype=fixed \
 990                 grep -E "a+" ab >actual &&
 991         test_cmp expected actual
 992 '
 993
 994 test_config() {
 995         git config "$1" "$2" &&
 996         test_when_finished "git config --unset $1"
 997 }
 998
 999 cat >expected <<EOF
1000 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1001 hello.c<RED>-<RESET>{
1002 <RED>--<RESET>
1003 hello.c<RED>:<RESET>    /* char ?? */
1004 hello.c<RED>-<RESET>}
1005 <RED>--<RESET>
1006 hello_world<RED>:<RESET>Hello_world
1007 hello_world<RED>-<RESET>HeLLo_world
1008 EOF
1009
1010 test_expect_success 'grep --color, separator' '
1011         test_config color.grep.context          normal &&
1012         test_config color.grep.filename         normal &&
1013         test_config color.grep.function         normal &&
1014         test_config color.grep.linenumber       normal &&
1015         test_config color.grep.match            normal &&
1016         test_config color.grep.selected         normal &&
1017         test_config color.grep.separator        red &&
1018
1019         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1020         test_decode_color >actual &&
1021         test_cmp expected actual
1022 '
1023
1024 cat >expected <<EOF
1025 hello.c:int main(int argc, const char **argv)
1026 hello.c:        /* char ?? */
1027
1028 hello_world:Hello_world
1029 EOF
1030
1031 test_expect_success 'grep --break' '
1032         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1033         test_cmp expected actual
1034 '
1035
1036 cat >expected <<EOF
1037 hello.c:int main(int argc, const char **argv)
1038 hello.c-{
1039 --
1040 hello.c:        /* char ?? */
1041 hello.c-}
1042
1043 hello_world:Hello_world
1044 hello_world-HeLLo_world
1045 EOF
1046
1047 test_expect_success 'grep --break with context' '
1048         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1049         test_cmp expected actual
1050 '
1051
1052 cat >expected <<EOF
1053 hello.c
1054 int main(int argc, const char **argv)
1055         /* char ?? */
1056 hello_world
1057 Hello_world
1058 EOF
1059
1060 test_expect_success 'grep --heading' '
1061         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1062         test_cmp expected actual
1063 '
1064
1065 cat >expected <<EOF
1066 <BOLD;GREEN>hello.c<RESET>
1067 2:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1068 6:      /* <BLACK;BYELLOW>char<RESET> ?? */
1069
1070 <BOLD;GREEN>hello_world<RESET>
1071 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1072 EOF
1073
1074 test_expect_success 'mimic ack-grep --group' '
1075         test_config color.grep.context          normal &&
1076         test_config color.grep.filename         "bold green" &&
1077         test_config color.grep.function         normal &&
1078         test_config color.grep.linenumber       normal &&
1079         test_config color.grep.match            "black yellow" &&
1080         test_config color.grep.selected         normal &&
1081         test_config color.grep.separator        normal &&
1082
1083         git grep --break --heading -n --color \
1084                 -e char -e lo_w hello.c hello_world |
1085         test_decode_color >actual &&
1086         test_cmp expected actual
1087 '
1088
1089 cat >expected <<EOF
1090 space: line with leading space1
1091 space: line with leading space2
1092 space: line with leading space3
1093 EOF
1094
1095 test_expect_success LIBPCRE 'grep -E "^ "' '
1096         git grep -E "^ " space >actual &&
1097         test_cmp expected actual
1098 '
1099
1100 test_expect_success LIBPCRE 'grep -P "^ "' '
1101         git grep -P "^ " space >actual &&
1102         test_cmp expected actual
1103 '
1104
1105 test_done