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 test_expect_success 'grep -C1 hunk mark between files' '
 481         git grep -C1 "^[yz]" >actual &&
 482         test_cmp expected actual
 483 '
 484
 485 test_expect_success 'log grep setup' '
 486         echo a >>file &&
 487         test_tick &&
 488         GIT_AUTHOR_NAME="With * Asterisk" \
 489         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 490         git commit -a -m "second" &&
 491
 492         echo a >>file &&
 493         test_tick &&
 494         git commit -a -m "third" &&
 495
 496         echo a >>file &&
 497         test_tick &&
 498         GIT_AUTHOR_NAME="Night Fall" \
 499         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 500         git commit -a -m "fourth"
 501 '
 502
 503 test_expect_success 'log grep (1)' '
 504         git log --author=author --pretty=tformat:%s >actual &&
 505         {
 506                 echo third && echo initial
 507         } >expect &&
 508         test_cmp expect actual
 509 '
 510
 511 test_expect_success 'log grep (2)' '
 512         git log --author=" * " -F --pretty=tformat:%s >actual &&
 513         {
 514                 echo second
 515         } >expect &&
 516         test_cmp expect actual
 517 '
 518
 519 test_expect_success 'log grep (3)' '
 520         git log --author="^A U" --pretty=tformat:%s >actual &&
 521         {
 522                 echo third && echo initial
 523         } >expect &&
 524         test_cmp expect actual
 525 '
 526
 527 test_expect_success 'log grep (4)' '
 528         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 529         {
 530                 echo second
 531         } >expect &&
 532         test_cmp expect actual
 533 '
 534
 535 test_expect_success 'log grep (5)' '
 536         git log --author=Thor -F --pretty=tformat:%s >actual &&
 537         {
 538                 echo third && echo initial
 539         } >expect &&
 540         test_cmp expect actual
 541 '
 542
 543 test_expect_success 'log grep (6)' '
 544         git log --author=-0700  --pretty=tformat:%s >actual &&
 545         >expect &&
 546         test_cmp expect actual
 547 '
 548
 549 test_expect_success 'log --grep --author implicitly uses all-match' '
 550         # grep matches initial and second but not third
 551         # author matches only initial and third
 552         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 553         {
 554                 echo initial
 555         } >expect &&
 556         test_cmp expect actual
 557 '
 558
 559 test_expect_success 'log with multiple --author uses union' '
 560         git log --author="Thor" --author="Aster" --format=%s >actual &&
 561         {
 562             echo third && echo second && echo initial
 563         } >expect &&
 564         test_cmp expect actual
 565 '
 566
 567 test_expect_success 'log with --grep and multiple --author uses all-match' '
 568         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 569         {
 570             echo third && echo initial
 571         } >expect &&
 572         test_cmp expect actual
 573 '
 574
 575 test_expect_success 'log with --grep and multiple --author uses all-match' '
 576         git log --author="Thor" --author="Night" --grep=q --format=%s >actual &&
 577         >expect &&
 578         test_cmp expect actual
 579 '
 580
 581 test_expect_success 'grep with CE_VALID file' '
 582         git update-index --assume-unchanged t/t &&
 583         rm t/t &&
 584         test "$(git grep test)" = "t/t:test" &&
 585         git update-index --no-assume-unchanged t/t &&
 586         git checkout t/t
 587 '
 588
 589 cat >expected <<EOF
 590 hello.c=#include <stdio.h>
 591 hello.c:        return 0;
 592 EOF
 593
 594 test_expect_success 'grep -p with userdiff' '
 595         git config diff.custom.funcname "^#" &&
 596         echo "hello.c diff=custom" >.gitattributes &&
 597         git grep -p return >actual &&
 598         test_cmp expected actual
 599 '
 600
 601 cat >expected <<EOF
 602 hello.c=int main(int argc, const char **argv)
 603 hello.c:        return 0;
 604 EOF
 605
 606 test_expect_success 'grep -p' '
 607         rm -f .gitattributes &&
 608         git grep -p return >actual &&
 609         test_cmp expected actual
 610 '
 611
 612 cat >expected <<EOF
 613 hello.c-#include <stdio.h>
 614 hello.c=int main(int argc, const char **argv)
 615 hello.c-{
 616 hello.c-        printf("Hello world.\n");
 617 hello.c:        return 0;
 618 EOF
 619
 620 test_expect_success 'grep -p -B5' '
 621         git grep -p -B5 return >actual &&
 622         test_cmp expected actual
 623 '
 624
 625 cat >expected <<EOF
 626 hello.c=int main(int argc, const char **argv)
 627 hello.c-{
 628 hello.c-        printf("Hello world.\n");
 629 hello.c:        return 0;
 630 hello.c-        /* char ?? */
 631 hello.c-}
 632 EOF
 633
 634 test_expect_success 'grep -W' '
 635         git grep -W return >actual &&
 636         test_cmp expected actual
 637 '
 638
 639 cat >expected <<EOF
 640 hello.c=        printf("Hello world.\n");
 641 hello.c:        return 0;
 642 hello.c-        /* char ?? */
 643 EOF
 644
 645 test_expect_success 'grep -W with userdiff' '
 646         test_when_finished "rm -f .gitattributes" &&
 647         git config diff.custom.xfuncname "(printf.*|})$" &&
 648         echo "hello.c diff=custom" >.gitattributes &&
 649         git grep -W return >actual &&
 650         test_cmp expected actual
 651 '
 652
 653 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 654         mkdir -p s &&
 655         (
 656                 cd s && git grep "x x x" ..
 657         )
 658 '
 659
 660 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 661         mkdir -p s &&
 662         (
 663                 cd s || exit 1
 664                 ( git grep xxyyzz .. >out ; echo $? >status )
 665                 ! test -s out &&
 666                 test 1 = $(cat status)
 667         )
 668 '
 669
 670 cat >expected <<EOF
 671 hello.c:int main(int argc, const char **argv)
 672 EOF
 673
 674 test_expect_success 'grep -Fi' '
 675         git grep -Fi "CHAR *" >actual &&
 676         test_cmp expected actual
 677 '
 678
 679 test_expect_success 'outside of git repository' '
 680         rm -fr non &&
 681         mkdir -p non/git/sub &&
 682         echo hello >non/git/file1 &&
 683         echo world >non/git/sub/file2 &&
 684         {
 685                 echo file1:hello &&
 686                 echo sub/file2:world
 687         } >non/expect.full &&
 688         echo file2:world >non/expect.sub &&
 689         (
 690                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 691                 export GIT_CEILING_DIRECTORIES &&
 692                 cd non/git &&
 693                 test_must_fail git grep o &&
 694                 git grep --no-index o >../actual.full &&
 695                 test_cmp ../expect.full ../actual.full
 696                 cd sub &&
 697                 test_must_fail git grep o &&
 698                 git grep --no-index o >../../actual.sub &&
 699                 test_cmp ../../expect.sub ../../actual.sub
 700         ) &&
 701
 702         echo ".*o*" >non/git/.gitignore &&
 703         (
 704                 GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 705                 export GIT_CEILING_DIRECTORIES &&
 706                 cd non/git &&
 707                 test_must_fail git grep o &&
 708                 git grep --no-index --exclude-standard o >../actual.full &&
 709                 test_cmp ../expect.full ../actual.full &&
 710
 711                 {
 712                         echo ".gitignore:.*o*"
 713                         cat ../expect.full
 714                 } >../expect.with.ignored &&
 715                 git grep --no-index --no-exclude o >../actual.full &&
 716                 test_cmp ../expect.with.ignored ../actual.full
 717         )
 718 '
 719
 720 test_expect_success 'inside git repository but with --no-index' '
 721         rm -fr is &&
 722         mkdir -p is/git/sub &&
 723         echo hello >is/git/file1 &&
 724         echo world >is/git/sub/file2 &&
 725         echo ".*o*" >is/git/.gitignore &&
 726         {
 727                 echo file1:hello &&
 728                 echo sub/file2:world
 729         } >is/expect.unignored &&
 730         {
 731                 echo ".gitignore:.*o*" &&
 732                 cat is/expect.unignored
 733         } >is/expect.full &&
 734         : >is/expect.empty &&
 735         echo file2:world >is/expect.sub &&
 736         (
 737                 cd is/git &&
 738                 git init &&
 739                 test_must_fail git grep o >../actual.full &&
 740                 test_cmp ../expect.empty ../actual.full &&
 741
 742                 git grep --untracked o >../actual.unignored &&
 743                 test_cmp ../expect.unignored ../actual.unignored &&
 744
 745                 git grep --no-index o >../actual.full &&
 746                 test_cmp ../expect.full ../actual.full &&
 747
 748                 git grep --no-index --exclude-standard o >../actual.unignored &&
 749                 test_cmp ../expect.unignored ../actual.unignored &&
 750
 751                 cd sub &&
 752                 test_must_fail git grep o >../../actual.sub &&
 753                 test_cmp ../../expect.empty ../../actual.sub &&
 754
 755                 git grep --no-index o >../../actual.sub &&
 756                 test_cmp ../../expect.sub ../../actual.sub &&
 757
 758                 git grep --untracked o >../../actual.sub &&
 759                 test_cmp ../../expect.sub ../../actual.sub
 760         )
 761 '
 762
 763 test_expect_success 'setup double-dash tests' '
 764 cat >double-dash <<EOF &&
 765 --
 766 ->
 767 other
 768 EOF
 769 git add double-dash
 770 '
 771
 772 cat >expected <<EOF
 773 double-dash:->
 774 EOF
 775 test_expect_success 'grep -- pattern' '
 776         git grep -- "->" >actual &&
 777         test_cmp expected actual
 778 '
 779 test_expect_success 'grep -- pattern -- pathspec' '
 780         git grep -- "->" -- double-dash >actual &&
 781         test_cmp expected actual
 782 '
 783 test_expect_success 'grep -e pattern -- path' '
 784         git grep -e "->" -- double-dash >actual &&
 785         test_cmp expected actual
 786 '
 787
 788 cat >expected <<EOF
 789 double-dash:--
 790 EOF
 791 test_expect_success 'grep -e -- -- path' '
 792         git grep -e -- -- double-dash >actual &&
 793         test_cmp expected actual
 794 '
 795
 796 cat >expected <<EOF
 797 hello.c:int main(int argc, const char **argv)
 798 hello.c:        printf("Hello world.\n");
 799 EOF
 800
 801 test_expect_success LIBPCRE 'grep --perl-regexp pattern' '
 802         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 803         test_cmp expected actual
 804 '
 805
 806 test_expect_success LIBPCRE 'grep -P pattern' '
 807         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 808         test_cmp expected actual
 809 '
 810
 811 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
 812         >empty &&
 813         test_must_fail git -c grep.extendedregexp=true \
 814                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 815         test_cmp empty actual
 816 '
 817
 818 test_expect_success LIBPCRE 'grep -P pattern with grep.extendedRegexp=true' '
 819         git -c grep.extendedregexp=true \
 820                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 821         test_cmp expected actual
 822 '
 823
 824 test_expect_success LIBPCRE 'grep -P -v pattern' '
 825         {
 826                 echo "ab:a+b*c"
 827                 echo "ab:a+bc"
 828         } >expected &&
 829         git grep -P -v "abc" ab >actual &&
 830         test_cmp expected actual
 831 '
 832
 833 test_expect_success LIBPCRE 'grep -P -i pattern' '
 834         cat >expected <<-EOF &&
 835         hello.c:        printf("Hello world.\n");
 836         EOF
 837         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
 838         test_cmp expected actual
 839 '
 840
 841 test_expect_success LIBPCRE 'grep -P -w pattern' '
 842         {
 843                 echo "hello_world:Hello world"
 844                 echo "hello_world:HeLLo world"
 845         } >expected &&
 846         git grep -P -w "He((?i)ll)o" hello_world >actual &&
 847         test_cmp expected actual
 848 '
 849
 850 test_expect_success 'grep -G invalidpattern properly dies ' '
 851         test_must_fail git grep -G "a["
 852 '
 853
 854 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
 855         test_must_fail git -c grep.patterntype=basic grep "a["
 856 '
 857
 858 test_expect_success 'grep -E invalidpattern properly dies ' '
 859         test_must_fail git grep -E "a["
 860 '
 861
 862 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
 863         test_must_fail git -c grep.patterntype=extended grep "a["
 864 '
 865
 866 test_expect_success LIBPCRE 'grep -P invalidpattern properly dies ' '
 867         test_must_fail git grep -P "a["
 868 '
 869
 870 test_expect_success LIBPCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
 871         test_must_fail git -c grep.patterntype=perl grep "a["
 872 '
 873
 874 test_expect_success 'grep -G -E -F pattern' '
 875         echo "ab:a+b*c" >expected &&
 876         git grep -G -E -F "a+b*c" ab >actual &&
 877         test_cmp expected actual
 878 '
 879
 880 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
 881         echo "ab:a+b*c" >expected &&
 882         git \
 883                 -c grep.patterntype=basic \
 884                 -c grep.patterntype=extended \
 885                 -c grep.patterntype=fixed \
 886                 grep "a+b*c" ab >actual &&
 887         test_cmp expected actual
 888 '
 889
 890 test_expect_success 'grep -E -F -G pattern' '
 891         echo "ab:a+bc" >expected &&
 892         git grep -E -F -G "a+b*c" ab >actual &&
 893         test_cmp expected actual
 894 '
 895
 896 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
 897         echo "ab:a+bc" >expected &&
 898         git \
 899                 -c grep.patterntype=extended \
 900                 -c grep.patterntype=fixed \
 901                 -c grep.patterntype=basic \
 902                 grep "a+b*c" ab >actual &&
 903         test_cmp expected actual
 904 '
 905
 906 test_expect_success 'grep -F -G -E pattern' '
 907         echo "ab:abc" >expected &&
 908         git grep -F -G -E "a+b*c" ab >actual &&
 909         test_cmp expected actual
 910 '
 911
 912 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
 913         echo "ab:abc" >expected &&
 914         git \
 915                 -c grep.patterntype=fixed \
 916                 -c grep.patterntype=basic \
 917                 -c grep.patterntype=extended \
 918                 grep "a+b*c" ab >actual &&
 919         test_cmp expected actual
 920 '
 921
 922 test_expect_success 'grep -G -F -P -E pattern' '
 923         >empty &&
 924         test_must_fail git grep -G -F -P -E "a\x{2b}b\x{2a}c" ab >actual &&
 925         test_cmp empty actual
 926 '
 927
 928 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
 929         >empty &&
 930         test_must_fail git \
 931                 -c grep.patterntype=fixed \
 932                 -c grep.patterntype=basic \
 933                 -c grep.patterntype=perl \
 934                 -c grep.patterntype=extended \
 935                 grep "a\x{2b}b\x{2a}c" ab >actual &&
 936         test_cmp empty actual
 937 '
 938
 939 test_expect_success LIBPCRE 'grep -G -F -E -P pattern' '
 940         echo "ab:a+b*c" >expected &&
 941         git grep -G -F -E -P "a\x{2b}b\x{2a}c" ab >actual &&
 942         test_cmp expected actual
 943 '
 944
 945 test_expect_success LIBPCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
 946         echo "ab:a+b*c" >expected &&
 947         git \
 948                 -c grep.patterntype=fixed \
 949                 -c grep.patterntype=basic \
 950                 -c grep.patterntype=extended \
 951                 -c grep.patterntype=perl \
 952                 grep "a\x{2b}b\x{2a}c" ab >actual &&
 953         test_cmp expected actual
 954 '
 955
 956 test_expect_success LIBPCRE 'grep -P pattern with grep.patternType=fixed' '
 957         echo "ab:a+b*c" >expected &&
 958         git \
 959                 -c grep.patterntype=fixed \
 960                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
 961         test_cmp expected actual
 962 '
 963
 964 test_expect_success 'grep -F pattern with grep.patternType=basic' '
 965         echo "ab:a+b*c" >expected &&
 966         git \
 967                 -c grep.patterntype=basic \
 968                 grep -F "*c" ab >actual &&
 969         test_cmp expected actual
 970 '
 971
 972 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
 973         {
 974                 echo "ab:a+b*c"
 975                 echo "ab:a+bc"
 976         } >expected &&
 977         git \
 978                 -c grep.patterntype=fixed \
 979                 grep -G "a+b" ab >actual &&
 980         test_cmp expected actual
 981 '
 982
 983 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
 984         {
 985                 echo "ab:a+b*c"
 986                 echo "ab:a+bc"
 987                 echo "ab:abc"
 988         } >expected &&
 989         git \
 990                 -c grep.patterntype=fixed \
 991                 grep -E "a+" ab >actual &&
 992         test_cmp expected actual
 993 '
 994
 995 test_config() {
 996         git config "$1" "$2" &&
 997         test_when_finished "git config --unset $1"
 998 }
 999
1000 cat >expected <<EOF
1001 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1002 hello.c<RED>-<RESET>{
1003 <RED>--<RESET>
1004 hello.c<RED>:<RESET>    /* char ?? */
1005 hello.c<RED>-<RESET>}
1006 <RED>--<RESET>
1007 hello_world<RED>:<RESET>Hello_world
1008 hello_world<RED>-<RESET>HeLLo_world
1009 EOF
1010
1011 test_expect_success 'grep --color, separator' '
1012         test_config color.grep.context          normal &&
1013         test_config color.grep.filename         normal &&
1014         test_config color.grep.function         normal &&
1015         test_config color.grep.linenumber       normal &&
1016         test_config color.grep.match            normal &&
1017         test_config color.grep.selected         normal &&
1018         test_config color.grep.separator        red &&
1019
1020         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1021         test_decode_color >actual &&
1022         test_cmp expected actual
1023 '
1024
1025 cat >expected <<EOF
1026 hello.c:int main(int argc, const char **argv)
1027 hello.c:        /* char ?? */
1028
1029 hello_world:Hello_world
1030 EOF
1031
1032 test_expect_success 'grep --break' '
1033         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1034         test_cmp expected actual
1035 '
1036
1037 cat >expected <<EOF
1038 hello.c:int main(int argc, const char **argv)
1039 hello.c-{
1040 --
1041 hello.c:        /* char ?? */
1042 hello.c-}
1043
1044 hello_world:Hello_world
1045 hello_world-HeLLo_world
1046 EOF
1047
1048 test_expect_success 'grep --break with context' '
1049         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1050         test_cmp expected actual
1051 '
1052
1053 cat >expected <<EOF
1054 hello.c
1055 int main(int argc, const char **argv)
1056         /* char ?? */
1057 hello_world
1058 Hello_world
1059 EOF
1060
1061 test_expect_success 'grep --heading' '
1062         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1063         test_cmp expected actual
1064 '
1065
1066 cat >expected <<EOF
1067 <BOLD;GREEN>hello.c<RESET>
1068 2:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1069 6:      /* <BLACK;BYELLOW>char<RESET> ?? */
1070
1071 <BOLD;GREEN>hello_world<RESET>
1072 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1073 EOF
1074
1075 test_expect_success 'mimic ack-grep --group' '
1076         test_config color.grep.context          normal &&
1077         test_config color.grep.filename         "bold green" &&
1078         test_config color.grep.function         normal &&
1079         test_config color.grep.linenumber       normal &&
1080         test_config color.grep.match            "black yellow" &&
1081         test_config color.grep.selected         normal &&
1082         test_config color.grep.separator        normal &&
1083
1084         git grep --break --heading -n --color \
1085                 -e char -e lo_w hello.c hello_world |
1086         test_decode_color >actual &&
1087         test_cmp expected actual
1088 '
1089
1090 cat >expected <<EOF
1091 space: line with leading space1
1092 space: line with leading space2
1093 space: line with leading space3
1094 EOF
1095
1096 test_expect_success LIBPCRE 'grep -E "^ "' '
1097         git grep -E "^ " space >actual &&
1098         test_cmp expected actual
1099 '
1100
1101 test_expect_success LIBPCRE 'grep -P "^ "' '
1102         git grep -P "^ " space >actual &&
1103         test_cmp expected actual
1104 '
1105
1106 test_done