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 <assert.h>
  13 #include <stdio.h>
  14
  15 int main(int argc, const char **argv)
  16 {
  17         printf("Hello world.\n");
  18         return 0;
  19         /* char ?? */
  20 }
  21 EOF
  22
  23 test_expect_success setup '
  24         {
  25                 echo foo mmap bar
  26                 echo foo_mmap bar
  27                 echo foo_mmap bar mmap
  28                 echo foo mmap bar_mmap
  29                 echo foo_mmap bar mmap baz
  30         } >file &&
  31         {
  32                 echo Hello world
  33                 echo HeLLo world
  34                 echo Hello_world
  35                 echo HeLLo_world
  36         } >hello_world &&
  37         {
  38                 echo "a+b*c"
  39                 echo "a+bc"
  40                 echo "abc"
  41         } >ab &&
  42         {
  43                 echo d &&
  44                 echo 0
  45         } >d0 &&
  46         echo vvv >v &&
  47         echo ww w >w &&
  48         echo x x xx x >x &&
  49         echo y yy >y &&
  50         echo zzz > z &&
  51         mkdir t &&
  52         echo test >t/t &&
  53         echo vvv >t/v &&
  54         mkdir t/a &&
  55         echo vvv >t/a/v &&
  56         {
  57                 echo "line without leading space1"
  58                 echo " line with leading space1"
  59                 echo " line with leading space2"
  60                 echo " line with leading space3"
  61                 echo "line without leading space2"
  62         } >space &&
  63         cat >hello.ps1 <<-\EOF &&
  64         # No-op.
  65         function dummy() {}
  66
  67         # Say hello.
  68         function hello() {
  69           echo "Hello world."
  70         } # hello
  71
  72         # Still a no-op.
  73         function dummy() {}
  74         EOF
  75         git add . &&
  76         test_tick &&
  77         git commit -m initial
  78 '
  79
  80 test_expect_success 'grep should not segfault with a bad input' '
  81         test_must_fail git grep "("
  82 '
  83
  84 for H in HEAD ''
  85 do
  86         case "$H" in
  87         HEAD)   HC='HEAD:' L='HEAD' ;;
  88         '')     HC= L='in working tree' ;;
  89         esac
  90
  91         test_expect_success "grep -w $L" '
  92                 {
  93                         echo ${HC}file:1:foo mmap bar
  94                         echo ${HC}file:3:foo_mmap bar mmap
  95                         echo ${HC}file:4:foo mmap bar_mmap
  96                         echo ${HC}file:5:foo_mmap bar mmap baz
  97                 } >expected &&
  98                 git -c grep.linenumber=false grep -n -w -e mmap $H >actual &&
  99                 test_cmp expected actual
 100         '
 101
 102         test_expect_success "grep -w $L (with --column)" '
 103                 {
 104                         echo ${HC}file:5:foo mmap bar
 105                         echo ${HC}file:14:foo_mmap bar mmap
 106                         echo ${HC}file:5:foo mmap bar_mmap
 107                         echo ${HC}file:14:foo_mmap bar mmap baz
 108                 } >expected &&
 109                 git grep --column -w -e mmap $H >actual &&
 110                 test_cmp expected actual
 111         '
 112
 113         test_expect_success "grep -w $L (with --column, extended OR)" '
 114                 {
 115                         echo ${HC}file:14:foo_mmap bar mmap
 116                         echo ${HC}file:19:foo_mmap bar mmap baz
 117                 } >expected &&
 118                 git grep --column -w -e mmap$ --or -e baz $H >actual &&
 119                 test_cmp expected actual
 120         '
 121
 122         test_expect_success "grep -w $L (with --column, --invert)" '
 123                 {
 124                         echo ${HC}file:1:foo mmap bar
 125                         echo ${HC}file:1:foo_mmap bar
 126                         echo ${HC}file:1:foo_mmap bar mmap
 127                         echo ${HC}file:1:foo mmap bar_mmap
 128                 } >expected &&
 129                 git grep --column --invert -w -e baz $H -- file >actual &&
 130                 test_cmp expected actual
 131         '
 132
 133         test_expect_success "grep $L (with --column, --invert, extended OR)" '
 134                 {
 135                         echo ${HC}hello_world:6:HeLLo_world
 136                 } >expected &&
 137                 git grep --column --invert -e ll --or --not -e _ $H -- hello_world \
 138                         >actual &&
 139                 test_cmp expected actual
 140         '
 141
 142         test_expect_success "grep $L (with --column, --invert, extended AND)" '
 143                 {
 144                         echo ${HC}hello_world:3:Hello world
 145                         echo ${HC}hello_world:3:Hello_world
 146                         echo ${HC}hello_world:6:HeLLo_world
 147                 } >expected &&
 148                 git grep --column --invert --not -e _ --and --not -e ll $H -- hello_world \
 149                         >actual &&
 150                 test_cmp expected actual
 151         '
 152
 153         test_expect_success "grep $L (with --column, double-negation)" '
 154                 {
 155                         echo ${HC}file:1:foo_mmap bar mmap baz
 156                 } >expected &&
 157                 git grep --column --not \( --not -e foo --or --not -e baz \) $H -- file \
 158                         >actual &&
 159                 test_cmp expected actual
 160         '
 161
 162         test_expect_success "grep -w $L (with --column, -C)" '
 163                 {
 164                         echo ${HC}file:5:foo mmap bar
 165                         echo ${HC}file-foo_mmap bar
 166                         echo ${HC}file:14:foo_mmap bar mmap
 167                         echo ${HC}file:5:foo mmap bar_mmap
 168                         echo ${HC}file:14:foo_mmap bar mmap baz
 169                 } >expected &&
 170                 git grep --column -w -C1 -e mmap $H >actual &&
 171                 test_cmp expected actual
 172         '
 173
 174         test_expect_success "grep -w $L (with --line-number, --column)" '
 175                 {
 176                         echo ${HC}file:1:5:foo mmap bar
 177                         echo ${HC}file:3:14:foo_mmap bar mmap
 178                         echo ${HC}file:4:5:foo mmap bar_mmap
 179                         echo ${HC}file:5:14:foo_mmap bar mmap baz
 180                 } >expected &&
 181                 git grep -n --column -w -e mmap $H >actual &&
 182                 test_cmp expected actual
 183         '
 184
 185         test_expect_success "grep -w $L (with non-extended patterns, --column)" '
 186                 {
 187                         echo ${HC}file:5:foo mmap bar
 188                         echo ${HC}file:10:foo_mmap bar
 189                         echo ${HC}file:10:foo_mmap bar mmap
 190                         echo ${HC}file:5:foo mmap bar_mmap
 191                         echo ${HC}file:10:foo_mmap bar mmap baz
 192                 } >expected &&
 193                 git grep --column -w -e bar -e mmap $H >actual &&
 194                 test_cmp expected actual
 195         '
 196
 197         test_expect_success "grep -w $L" '
 198                 {
 199                         echo ${HC}file:1:foo mmap bar
 200                         echo ${HC}file:3:foo_mmap bar mmap
 201                         echo ${HC}file:4:foo mmap bar_mmap
 202                         echo ${HC}file:5:foo_mmap bar mmap baz
 203                 } >expected &&
 204                 git -c grep.linenumber=true grep -w -e mmap $H >actual &&
 205                 test_cmp expected actual
 206         '
 207
 208         test_expect_success "grep -w $L" '
 209                 {
 210                         echo ${HC}file:foo mmap bar
 211                         echo ${HC}file:foo_mmap bar mmap
 212                         echo ${HC}file:foo mmap bar_mmap
 213                         echo ${HC}file:foo_mmap bar mmap baz
 214                 } >expected &&
 215                 git -c grep.linenumber=true grep --no-line-number -w -e mmap $H >actual &&
 216                 test_cmp expected actual
 217         '
 218
 219         test_expect_success "grep -w $L (w)" '
 220                 : >expected &&
 221                 test_must_fail git grep -n -w -e "^w" $H >actual &&
 222                 test_cmp expected actual
 223         '
 224
 225         test_expect_success "grep -w $L (x)" '
 226                 {
 227                         echo ${HC}x:1:x x xx x
 228                 } >expected &&
 229                 git grep -n -w -e "x xx* x" $H >actual &&
 230                 test_cmp expected actual
 231         '
 232
 233         test_expect_success "grep -w $L (y-1)" '
 234                 {
 235                         echo ${HC}y:1:y yy
 236                 } >expected &&
 237                 git grep -n -w -e "^y" $H >actual &&
 238                 test_cmp expected actual
 239         '
 240
 241         test_expect_success "grep -w $L (y-2)" '
 242                 : >expected &&
 243                 if git grep -n -w -e "^y y" $H >actual
 244                 then
 245                         echo should not have matched
 246                         cat actual
 247                         false
 248                 else
 249                         test_cmp expected actual
 250                 fi
 251         '
 252
 253         test_expect_success "grep -w $L (z)" '
 254                 : >expected &&
 255                 if git grep -n -w -e "^z" $H >actual
 256                 then
 257                         echo should not have matched
 258                         cat actual
 259                         false
 260                 else
 261                         test_cmp expected actual
 262                 fi
 263         '
 264
 265         test_expect_success "grep $L (t-1)" '
 266                 echo "${HC}t/t:1:test" >expected &&
 267                 git grep -n -e test $H >actual &&
 268                 test_cmp expected actual
 269         '
 270
 271         test_expect_success "grep $L (t-2)" '
 272                 echo "${HC}t:1:test" >expected &&
 273                 (
 274                         cd t &&
 275                         git grep -n -e test $H
 276                 ) >actual &&
 277                 test_cmp expected actual
 278         '
 279
 280         test_expect_success "grep $L (t-3)" '
 281                 echo "${HC}t/t:1:test" >expected &&
 282                 (
 283                         cd t &&
 284                         git grep --full-name -n -e test $H
 285                 ) >actual &&
 286                 test_cmp expected actual
 287         '
 288
 289         test_expect_success "grep -c $L (no /dev/null)" '
 290                 ! git grep -c test $H | grep /dev/null
 291         '
 292
 293         test_expect_success "grep --max-depth -1 $L" '
 294                 {
 295                         echo ${HC}t/a/v:1:vvv
 296                         echo ${HC}t/v:1:vvv
 297                         echo ${HC}v:1:vvv
 298                 } >expected &&
 299                 git grep --max-depth -1 -n -e vvv $H >actual &&
 300                 test_cmp expected actual
 301         '
 302
 303         test_expect_success "grep --max-depth 0 $L" '
 304                 {
 305                         echo ${HC}v:1:vvv
 306                 } >expected &&
 307                 git grep --max-depth 0 -n -e vvv $H >actual &&
 308                 test_cmp expected actual
 309         '
 310
 311         test_expect_success "grep --max-depth 0 -- '*' $L" '
 312                 {
 313                         echo ${HC}t/a/v:1:vvv
 314                         echo ${HC}t/v:1:vvv
 315                         echo ${HC}v:1:vvv
 316                 } >expected &&
 317                 git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 318                 test_cmp expected actual
 319         '
 320
 321         test_expect_success "grep --max-depth 1 $L" '
 322                 {
 323                         echo ${HC}t/v:1:vvv
 324                         echo ${HC}v:1:vvv
 325                 } >expected &&
 326                 git grep --max-depth 1 -n -e vvv $H >actual &&
 327                 test_cmp expected actual
 328         '
 329
 330         test_expect_success "grep --max-depth 0 -- t $L" '
 331                 {
 332                         echo ${HC}t/v:1:vvv
 333                 } >expected &&
 334                 git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 335                 test_cmp expected actual
 336         '
 337
 338         test_expect_success "grep --max-depth 0 -- . t $L" '
 339                 {
 340                         echo ${HC}t/v:1:vvv
 341                         echo ${HC}v:1:vvv
 342                 } >expected &&
 343                 git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
 344                 test_cmp expected actual
 345         '
 346
 347         test_expect_success "grep --max-depth 0 -- t . $L" '
 348                 {
 349                         echo ${HC}t/v:1:vvv
 350                         echo ${HC}v:1:vvv
 351                 } >expected &&
 352                 git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
 353                 test_cmp expected actual
 354         '
 355         test_expect_success "grep $L with grep.extendedRegexp=false" '
 356                 echo "${HC}ab:a+bc" >expected &&
 357                 git -c grep.extendedRegexp=false grep "a+b*c" $H ab >actual &&
 358                 test_cmp expected actual
 359         '
 360
 361         test_expect_success "grep $L with grep.extendedRegexp=true" '
 362                 echo "${HC}ab:abc" >expected &&
 363                 git -c grep.extendedRegexp=true grep "a+b*c" $H ab >actual &&
 364                 test_cmp expected actual
 365         '
 366
 367         test_expect_success "grep $L with grep.patterntype=basic" '
 368                 echo "${HC}ab:a+bc" >expected &&
 369                 git -c grep.patterntype=basic grep "a+b*c" $H ab >actual &&
 370                 test_cmp expected actual
 371         '
 372
 373         test_expect_success "grep $L with grep.patterntype=extended" '
 374                 echo "${HC}ab:abc" >expected &&
 375                 git -c grep.patterntype=extended grep "a+b*c" $H ab >actual &&
 376                 test_cmp expected actual
 377         '
 378
 379         test_expect_success "grep $L with grep.patterntype=fixed" '
 380                 echo "${HC}ab:a+b*c" >expected &&
 381                 git -c grep.patterntype=fixed grep "a+b*c" $H ab >actual &&
 382                 test_cmp expected actual
 383         '
 384
 385         test_expect_success PCRE "grep $L with grep.patterntype=perl" '
 386                 echo "${HC}ab:a+b*c" >expected &&
 387                 git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
 388                 test_cmp expected actual
 389         '
 390
 391         test_expect_success !PCRE "grep $L with grep.patterntype=perl errors without PCRE" '
 392                 test_must_fail git -c grep.patterntype=perl grep "foo.*bar"
 393         '
 394
 395         test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
 396                 echo "${HC}ab:abc" >expected &&
 397                 git \
 398                         -c grep.patternType=default \
 399                         -c grep.extendedRegexp=true \
 400                         grep "a+b*c" $H ab >actual &&
 401                 test_cmp expected actual
 402         '
 403
 404         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
 405                 echo "${HC}ab:abc" >expected &&
 406                 git \
 407                         -c grep.extendedRegexp=true \
 408                         -c grep.patternType=default \
 409                         grep "a+b*c" $H ab >actual &&
 410                 test_cmp expected actual
 411         '
 412
 413         test_expect_success "grep $L with grep.patternType=extended and grep.extendedRegexp=false" '
 414                 echo "${HC}ab:abc" >expected &&
 415                 git \
 416                         -c grep.patternType=extended \
 417                         -c grep.extendedRegexp=false \
 418                         grep "a+b*c" $H ab >actual &&
 419                 test_cmp expected actual
 420         '
 421
 422         test_expect_success "grep $L with grep.patternType=basic and grep.extendedRegexp=true" '
 423                 echo "${HC}ab:a+bc" >expected &&
 424                 git \
 425                         -c grep.patternType=basic \
 426                         -c grep.extendedRegexp=true \
 427                         grep "a+b*c" $H ab >actual &&
 428                 test_cmp expected actual
 429         '
 430
 431         test_expect_success "grep $L with grep.extendedRegexp=false and grep.patternType=extended" '
 432                 echo "${HC}ab:abc" >expected &&
 433                 git \
 434                         -c grep.extendedRegexp=false \
 435                         -c grep.patternType=extended \
 436                         grep "a+b*c" $H ab >actual &&
 437                 test_cmp expected actual
 438         '
 439
 440         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=basic" '
 441                 echo "${HC}ab:a+bc" >expected &&
 442                 git \
 443                         -c grep.extendedRegexp=true \
 444                         -c grep.patternType=basic \
 445                         grep "a+b*c" $H ab >actual &&
 446                 test_cmp expected actual
 447         '
 448
 449         test_expect_success "grep --count $L" '
 450                 echo ${HC}ab:3 >expected &&
 451                 git grep --count -e b $H -- ab >actual &&
 452                 test_cmp expected actual
 453         '
 454
 455         test_expect_success "grep --count -h $L" '
 456                 echo 3 >expected &&
 457                 git grep --count -h -e b $H -- ab >actual &&
 458                 test_cmp expected actual
 459         '
 460 done
 461
 462 cat >expected <<EOF
 463 file
 464 EOF
 465 test_expect_success 'grep -l -C' '
 466         git grep -l -C1 foo >actual &&
 467         test_cmp expected actual
 468 '
 469
 470 cat >expected <<EOF
 471 file:5
 472 EOF
 473 test_expect_success 'grep -c -C' '
 474         git grep -c -C1 foo >actual &&
 475         test_cmp expected actual
 476 '
 477
 478 test_expect_success 'grep -L -C' '
 479         git ls-files >expected &&
 480         git grep -L -C1 nonexistent_string >actual &&
 481         test_cmp expected actual
 482 '
 483
 484 test_expect_success 'grep --files-without-match --quiet' '
 485         git grep --files-without-match --quiet nonexistent_string >actual &&
 486         test_cmp /dev/null actual
 487 '
 488
 489 cat >expected <<EOF
 490 file:foo mmap bar_mmap
 491 EOF
 492
 493 test_expect_success 'grep -e A --and -e B' '
 494         git grep -e "foo mmap" --and -e bar_mmap >actual &&
 495         test_cmp expected actual
 496 '
 497
 498 cat >expected <<EOF
 499 file:foo_mmap bar mmap
 500 file:foo_mmap bar mmap baz
 501 EOF
 502
 503
 504 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 505         git grep \( -e foo_ --or -e baz \) \
 506                 --and -e " mmap" >actual &&
 507         test_cmp expected actual
 508 '
 509
 510 cat >expected <<EOF
 511 file:foo mmap bar
 512 EOF
 513
 514 test_expect_success 'grep -e A --and --not -e B' '
 515         git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 516         test_cmp expected actual
 517 '
 518
 519 test_expect_success 'grep should ignore GREP_OPTIONS' '
 520         GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 521         test_cmp expected actual
 522 '
 523
 524 test_expect_success 'grep -f, non-existent file' '
 525         test_must_fail git grep -f patterns
 526 '
 527
 528 cat >expected <<EOF
 529 file:foo mmap bar
 530 file:foo_mmap bar
 531 file:foo_mmap bar mmap
 532 file:foo mmap bar_mmap
 533 file:foo_mmap bar mmap baz
 534 EOF
 535
 536 cat >pattern <<EOF
 537 mmap
 538 EOF
 539
 540 test_expect_success 'grep -f, one pattern' '
 541         git grep -f pattern >actual &&
 542         test_cmp expected actual
 543 '
 544
 545 cat >expected <<EOF
 546 file:foo mmap bar
 547 file:foo_mmap bar
 548 file:foo_mmap bar mmap
 549 file:foo mmap bar_mmap
 550 file:foo_mmap bar mmap baz
 551 t/a/v:vvv
 552 t/v:vvv
 553 v:vvv
 554 EOF
 555
 556 cat >patterns <<EOF
 557 mmap
 558 vvv
 559 EOF
 560
 561 test_expect_success 'grep -f, multiple patterns' '
 562         git grep -f patterns >actual &&
 563         test_cmp expected actual
 564 '
 565
 566 test_expect_success 'grep, multiple patterns' '
 567         git grep "$(cat patterns)" >actual &&
 568         test_cmp expected actual
 569 '
 570
 571 cat >expected <<EOF
 572 file:foo mmap bar
 573 file:foo_mmap bar
 574 file:foo_mmap bar mmap
 575 file:foo mmap bar_mmap
 576 file:foo_mmap bar mmap baz
 577 t/a/v:vvv
 578 t/v:vvv
 579 v:vvv
 580 EOF
 581
 582 cat >patterns <<EOF
 583
 584 mmap
 585
 586 vvv
 587
 588 EOF
 589
 590 test_expect_success 'grep -f, ignore empty lines' '
 591         git grep -f patterns >actual &&
 592         test_cmp expected actual
 593 '
 594
 595 test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 596         git grep -f - <patterns >actual &&
 597         test_cmp expected actual
 598 '
 599
 600 cat >expected <<EOF
 601 y:y yy
 602 --
 603 z:zzz
 604 EOF
 605
 606 test_expect_success 'grep -q, silently report matches' '
 607         >empty &&
 608         git grep -q mmap >actual &&
 609         test_cmp empty actual &&
 610         test_must_fail git grep -q qfwfq >actual &&
 611         test_cmp empty actual
 612 '
 613
 614 test_expect_success 'grep -C1 hunk mark between files' '
 615         git grep -C1 "^[yz]" >actual &&
 616         test_cmp expected actual
 617 '
 618
 619 test_expect_success 'log grep setup' '
 620         echo a >>file &&
 621         test_tick &&
 622         GIT_AUTHOR_NAME="With * Asterisk" \
 623         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 624         git commit -a -m "second" &&
 625
 626         echo a >>file &&
 627         test_tick &&
 628         git commit -a -m "third" &&
 629
 630         echo a >>file &&
 631         test_tick &&
 632         GIT_AUTHOR_NAME="Night Fall" \
 633         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 634         git commit -a -m "fourth"
 635 '
 636
 637 test_expect_success 'log grep (1)' '
 638         git log --author=author --pretty=tformat:%s >actual &&
 639         {
 640                 echo third && echo initial
 641         } >expect &&
 642         test_cmp expect actual
 643 '
 644
 645 test_expect_success 'log grep (2)' '
 646         git log --author=" * " -F --pretty=tformat:%s >actual &&
 647         {
 648                 echo second
 649         } >expect &&
 650         test_cmp expect actual
 651 '
 652
 653 test_expect_success 'log grep (3)' '
 654         git log --author="^A U" --pretty=tformat:%s >actual &&
 655         {
 656                 echo third && echo initial
 657         } >expect &&
 658         test_cmp expect actual
 659 '
 660
 661 test_expect_success 'log grep (4)' '
 662         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 663         {
 664                 echo second
 665         } >expect &&
 666         test_cmp expect actual
 667 '
 668
 669 test_expect_success 'log grep (5)' '
 670         git log --author=Thor -F --pretty=tformat:%s >actual &&
 671         {
 672                 echo third && echo initial
 673         } >expect &&
 674         test_cmp expect actual
 675 '
 676
 677 test_expect_success 'log grep (6)' '
 678         git log --author=-0700  --pretty=tformat:%s >actual &&
 679         >expect &&
 680         test_cmp expect actual
 681 '
 682
 683 test_expect_success 'log grep (7)' '
 684         git log -g --grep-reflog="commit: third" --pretty=tformat:%s >actual &&
 685         echo third >expect &&
 686         test_cmp expect actual
 687 '
 688
 689 test_expect_success 'log grep (8)' '
 690         git log -g --grep-reflog="commit: third" --grep-reflog="commit: second" --pretty=tformat:%s >actual &&
 691         {
 692                 echo third && echo second
 693         } >expect &&
 694         test_cmp expect actual
 695 '
 696
 697 test_expect_success 'log grep (9)' '
 698         git log -g --grep-reflog="commit: third" --author="Thor" --pretty=tformat:%s >actual &&
 699         echo third >expect &&
 700         test_cmp expect actual
 701 '
 702
 703 test_expect_success 'log grep (9)' '
 704         git log -g --grep-reflog="commit: third" --author="non-existent" --pretty=tformat:%s >actual &&
 705         : >expect &&
 706         test_cmp expect actual
 707 '
 708
 709 test_expect_success 'log --grep-reflog can only be used under -g' '
 710         test_must_fail git log --grep-reflog="commit: third"
 711 '
 712
 713 test_expect_success 'log with multiple --grep uses union' '
 714         git log --grep=i --grep=r --format=%s >actual &&
 715         {
 716                 echo fourth && echo third && echo initial
 717         } >expect &&
 718         test_cmp expect actual
 719 '
 720
 721 test_expect_success 'log --all-match with multiple --grep uses intersection' '
 722         git log --all-match --grep=i --grep=r --format=%s >actual &&
 723         {
 724                 echo third
 725         } >expect &&
 726         test_cmp expect actual
 727 '
 728
 729 test_expect_success 'log with multiple --author uses union' '
 730         git log --author="Thor" --author="Aster" --format=%s >actual &&
 731         {
 732             echo third && echo second && echo initial
 733         } >expect &&
 734         test_cmp expect actual
 735 '
 736
 737 test_expect_success 'log --all-match with multiple --author still uses union' '
 738         git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 739         {
 740             echo third && echo second && echo initial
 741         } >expect &&
 742         test_cmp expect actual
 743 '
 744
 745 test_expect_success 'log --grep --author uses intersection' '
 746         # grep matches only third and fourth
 747         # author matches only initial and third
 748         git log --author="A U Thor" --grep=r --format=%s >actual &&
 749         {
 750                 echo third
 751         } >expect &&
 752         test_cmp expect actual
 753 '
 754
 755 test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 756         # grep matches initial and second but not third
 757         # author matches only initial and third
 758         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 759         {
 760                 echo initial
 761         } >expect &&
 762         test_cmp expect actual
 763 '
 764
 765 test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
 766         # grep matches only initial and third
 767         # author matches all but second
 768         git log --all-match --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 769         {
 770             echo third && echo initial
 771         } >expect &&
 772         test_cmp expect actual
 773 '
 774
 775 test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
 776         # grep matches only initial and third
 777         # author matches all but second
 778         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 779         {
 780             echo third && echo initial
 781         } >expect &&
 782         test_cmp expect actual
 783 '
 784
 785 test_expect_success 'log --all-match --grep --grep --author takes intersection' '
 786         # grep matches only third
 787         # author matches only initial and third
 788         git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
 789         {
 790                 echo third
 791         } >expect &&
 792         test_cmp expect actual
 793 '
 794
 795 test_expect_success 'log --author does not search in timestamp' '
 796         : >expect &&
 797         git log --author="$GIT_AUTHOR_DATE" >actual &&
 798         test_cmp expect actual
 799 '
 800
 801 test_expect_success 'log --committer does not search in timestamp' '
 802         : >expect &&
 803         git log --committer="$GIT_COMMITTER_DATE" >actual &&
 804         test_cmp expect actual
 805 '
 806
 807 test_expect_success 'grep with CE_VALID file' '
 808         git update-index --assume-unchanged t/t &&
 809         rm t/t &&
 810         test "$(git grep test)" = "t/t:test" &&
 811         git update-index --no-assume-unchanged t/t &&
 812         git checkout t/t
 813 '
 814
 815 cat >expected <<EOF
 816 hello.c=#include <stdio.h>
 817 hello.c:        return 0;
 818 EOF
 819
 820 test_expect_success 'grep -p with userdiff' '
 821         git config diff.custom.funcname "^#" &&
 822         echo "hello.c diff=custom" >.gitattributes &&
 823         git grep -p return >actual &&
 824         test_cmp expected actual
 825 '
 826
 827 cat >expected <<EOF
 828 hello.c=int main(int argc, const char **argv)
 829 hello.c:        return 0;
 830 EOF
 831
 832 test_expect_success 'grep -p' '
 833         rm -f .gitattributes &&
 834         git grep -p return >actual &&
 835         test_cmp expected actual
 836 '
 837
 838 cat >expected <<EOF
 839 hello.c-#include <stdio.h>
 840 hello.c-
 841 hello.c=int main(int argc, const char **argv)
 842 hello.c-{
 843 hello.c-        printf("Hello world.\n");
 844 hello.c:        return 0;
 845 EOF
 846
 847 test_expect_success 'grep -p -B5' '
 848         git grep -p -B5 return >actual &&
 849         test_cmp expected actual
 850 '
 851
 852 cat >expected <<EOF
 853 hello.c=int main(int argc, const char **argv)
 854 hello.c-{
 855 hello.c-        printf("Hello world.\n");
 856 hello.c:        return 0;
 857 hello.c-        /* char ?? */
 858 hello.c-}
 859 EOF
 860
 861 test_expect_success 'grep -W' '
 862         git grep -W return >actual &&
 863         test_cmp expected actual
 864 '
 865
 866 cat >expected <<EOF
 867 hello.c-#include <assert.h>
 868 hello.c:#include <stdio.h>
 869 EOF
 870
 871 test_expect_success 'grep -W shows no trailing empty lines' '
 872         git grep -W stdio >actual &&
 873         test_cmp expected actual
 874 '
 875
 876 test_expect_success 'grep -W with userdiff' '
 877         test_when_finished "rm -f .gitattributes" &&
 878         git config diff.custom.xfuncname "^function .*$" &&
 879         echo "hello.ps1 diff=custom" >.gitattributes &&
 880         git grep -W echo >function-context-userdiff-actual
 881 '
 882
 883 test_expect_success ' includes preceding comment' '
 884         grep "# Say hello" function-context-userdiff-actual
 885 '
 886
 887 test_expect_success ' includes function line' '
 888         grep "=function hello" function-context-userdiff-actual
 889 '
 890
 891 test_expect_success ' includes matching line' '
 892         grep ":  echo" function-context-userdiff-actual
 893 '
 894
 895 test_expect_success ' includes last line of the function' '
 896         grep "} # hello" function-context-userdiff-actual
 897 '
 898
 899 for threads in $(test_seq 0 10)
 900 do
 901         test_expect_success "grep --threads=$threads & -c grep.threads=$threads" "
 902                 git grep --threads=$threads . >actual.$threads &&
 903                 if test $threads -ge 1
 904                 then
 905                         test_cmp actual.\$(($threads - 1)) actual.$threads
 906                 fi &&
 907                 git -c grep.threads=$threads grep . >actual.$threads &&
 908                 if test $threads -ge 1
 909                 then
 910                         test_cmp actual.\$(($threads - 1)) actual.$threads
 911                 fi
 912         "
 913 done
 914
 915 test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'grep --threads=N or pack.threads=N warns when no pthreads' '
 916         git grep --threads=2 Hello hello_world 2>err &&
 917         grep ^warning: err >warnings &&
 918         test_line_count = 1 warnings &&
 919         grep -F "no threads support, ignoring --threads" err &&
 920         git -c grep.threads=2 grep Hello hello_world 2>err &&
 921         grep ^warning: err >warnings &&
 922         test_line_count = 1 warnings &&
 923         grep -F "no threads support, ignoring grep.threads" err &&
 924         git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
 925         grep ^warning: err >warnings &&
 926         test_line_count = 2 warnings &&
 927         grep -F "no threads support, ignoring --threads" err &&
 928         grep -F "no threads support, ignoring grep.threads" err &&
 929         git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
 930         test_line_count = 0 err
 931 '
 932
 933 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 934         mkdir -p s &&
 935         (
 936                 cd s && git grep "x x x" ..
 937         )
 938 '
 939
 940 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 941         mkdir -p s &&
 942         (
 943                 cd s || exit 1
 944                 ( git grep xxyyzz .. >out ; echo $? >status )
 945                 ! test -s out &&
 946                 test 1 = $(cat status)
 947         )
 948 '
 949
 950 cat >expected <<EOF
 951 hello.c:int main(int argc, const char **argv)
 952 EOF
 953
 954 test_expect_success 'grep -Fi' '
 955         git grep -Fi "CHAR *" >actual &&
 956         test_cmp expected actual
 957 '
 958
 959 test_expect_success 'outside of git repository' '
 960         rm -fr non &&
 961         mkdir -p non/git/sub &&
 962         echo hello >non/git/file1 &&
 963         echo world >non/git/sub/file2 &&
 964         {
 965                 echo file1:hello &&
 966                 echo sub/file2:world
 967         } >non/expect.full &&
 968         echo file2:world >non/expect.sub &&
 969         (
 970                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 971                 export GIT_CEILING_DIRECTORIES &&
 972                 cd non/git &&
 973                 test_must_fail git grep o &&
 974                 git grep --no-index o >../actual.full &&
 975                 test_cmp ../expect.full ../actual.full &&
 976                 cd sub &&
 977                 test_must_fail git grep o &&
 978                 git grep --no-index o >../../actual.sub &&
 979                 test_cmp ../../expect.sub ../../actual.sub
 980         ) &&
 981
 982         echo ".*o*" >non/git/.gitignore &&
 983         (
 984                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 985                 export GIT_CEILING_DIRECTORIES &&
 986                 cd non/git &&
 987                 test_must_fail git grep o &&
 988                 git grep --no-index --exclude-standard o >../actual.full &&
 989                 test_cmp ../expect.full ../actual.full &&
 990
 991                 {
 992                         echo ".gitignore:.*o*" &&
 993                         cat ../expect.full
 994                 } >../expect.with.ignored &&
 995                 git grep --no-index --no-exclude o >../actual.full &&
 996                 test_cmp ../expect.with.ignored ../actual.full
 997         )
 998 '
 999
1000 test_expect_success 'outside of git repository with fallbackToNoIndex' '
1001         rm -fr non &&
1002         mkdir -p non/git/sub &&
1003         echo hello >non/git/file1 &&
1004         echo world >non/git/sub/file2 &&
1005         cat <<-\EOF >non/expect.full &&
1006         file1:hello
1007         sub/file2:world
1008         EOF
1009         echo file2:world >non/expect.sub &&
1010         (
1011                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1012                 export GIT_CEILING_DIRECTORIES &&
1013                 cd non/git &&
1014                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1015                 git -c grep.fallbackToNoIndex=true grep o >../actual.full &&
1016                 test_cmp ../expect.full ../actual.full &&
1017                 cd sub &&
1018                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1019                 git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
1020                 test_cmp ../../expect.sub ../../actual.sub
1021         ) &&
1022
1023         echo ".*o*" >non/git/.gitignore &&
1024         (
1025                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1026                 export GIT_CEILING_DIRECTORIES &&
1027                 cd non/git &&
1028                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1029                 git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
1030                 test_cmp ../expect.full ../actual.full &&
1031
1032                 {
1033                         echo ".gitignore:.*o*" &&
1034                         cat ../expect.full
1035                 } >../expect.with.ignored &&
1036                 git -c grep.fallbackToNoIndex grep --no-exclude o >../actual.full &&
1037                 test_cmp ../expect.with.ignored ../actual.full
1038         )
1039 '
1040
1041 test_expect_success 'inside git repository but with --no-index' '
1042         rm -fr is &&
1043         mkdir -p is/git/sub &&
1044         echo hello >is/git/file1 &&
1045         echo world >is/git/sub/file2 &&
1046         echo ".*o*" >is/git/.gitignore &&
1047         {
1048                 echo file1:hello &&
1049                 echo sub/file2:world
1050         } >is/expect.unignored &&
1051         {
1052                 echo ".gitignore:.*o*" &&
1053                 cat is/expect.unignored
1054         } >is/expect.full &&
1055         : >is/expect.empty &&
1056         echo file2:world >is/expect.sub &&
1057         (
1058                 cd is/git &&
1059                 git init &&
1060                 test_must_fail git grep o >../actual.full &&
1061                 test_cmp ../expect.empty ../actual.full &&
1062
1063                 git grep --untracked o >../actual.unignored &&
1064                 test_cmp ../expect.unignored ../actual.unignored &&
1065
1066                 git grep --no-index o >../actual.full &&
1067                 test_cmp ../expect.full ../actual.full &&
1068
1069                 git grep --no-index --exclude-standard o >../actual.unignored &&
1070                 test_cmp ../expect.unignored ../actual.unignored &&
1071
1072                 cd sub &&
1073                 test_must_fail git grep o >../../actual.sub &&
1074                 test_cmp ../../expect.empty ../../actual.sub &&
1075
1076                 git grep --no-index o >../../actual.sub &&
1077                 test_cmp ../../expect.sub ../../actual.sub &&
1078
1079                 git grep --untracked o >../../actual.sub &&
1080                 test_cmp ../../expect.sub ../../actual.sub
1081         )
1082 '
1083
1084 test_expect_success 'grep --no-index descends into repos, but not .git' '
1085         rm -fr non &&
1086         mkdir -p non/git &&
1087         (
1088                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1089                 export GIT_CEILING_DIRECTORIES &&
1090                 cd non/git &&
1091
1092                 echo magic >file &&
1093                 git init repo &&
1094                 (
1095                         cd repo &&
1096                         echo magic >file &&
1097                         git add file &&
1098                         git commit -m foo &&
1099                         echo magic >.git/file
1100                 ) &&
1101
1102                 cat >expect <<-\EOF &&
1103                 file
1104                 repo/file
1105                 EOF
1106                 git grep -l --no-index magic >actual &&
1107                 test_cmp expect actual
1108         )
1109 '
1110
1111 test_expect_success 'setup double-dash tests' '
1112 cat >double-dash <<EOF &&
1113 --
1114 ->
1115 other
1116 EOF
1117 git add double-dash
1118 '
1119
1120 cat >expected <<EOF
1121 double-dash:->
1122 EOF
1123 test_expect_success 'grep -- pattern' '
1124         git grep -- "->" >actual &&
1125         test_cmp expected actual
1126 '
1127 test_expect_success 'grep -- pattern -- pathspec' '
1128         git grep -- "->" -- double-dash >actual &&
1129         test_cmp expected actual
1130 '
1131 test_expect_success 'grep -e pattern -- path' '
1132         git grep -e "->" -- double-dash >actual &&
1133         test_cmp expected actual
1134 '
1135
1136 cat >expected <<EOF
1137 double-dash:--
1138 EOF
1139 test_expect_success 'grep -e -- -- path' '
1140         git grep -e -- -- double-dash >actual &&
1141         test_cmp expected actual
1142 '
1143
1144 test_expect_success 'dashdash disambiguates rev as rev' '
1145         test_when_finished "rm -f master" &&
1146         echo content >master &&
1147         echo master:hello.c >expect &&
1148         git grep -l o master -- hello.c >actual &&
1149         test_cmp expect actual
1150 '
1151
1152 test_expect_success 'dashdash disambiguates pathspec as pathspec' '
1153         test_when_finished "git rm -f master" &&
1154         echo content >master &&
1155         git add master &&
1156         echo master:content >expect &&
1157         git grep o -- master >actual &&
1158         test_cmp expect actual
1159 '
1160
1161 test_expect_success 'report bogus arg without dashdash' '
1162         test_must_fail git grep o does-not-exist
1163 '
1164
1165 test_expect_success 'report bogus rev with dashdash' '
1166         test_must_fail git grep o hello.c --
1167 '
1168
1169 test_expect_success 'allow non-existent path with dashdash' '
1170         # We need a real match so grep exits with success.
1171         tree=$(git ls-tree HEAD |
1172                sed s/hello.c/not-in-working-tree/ |
1173                git mktree) &&
1174         git grep o "$tree" -- not-in-working-tree
1175 '
1176
1177 test_expect_success 'grep --no-index pattern -- path' '
1178         rm -fr non &&
1179         mkdir -p non/git &&
1180         (
1181                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1182                 export GIT_CEILING_DIRECTORIES &&
1183                 cd non/git &&
1184                 echo hello >hello &&
1185                 echo goodbye >goodbye &&
1186                 echo hello:hello >expect &&
1187                 git grep --no-index o -- hello >actual &&
1188                 test_cmp expect actual
1189         )
1190 '
1191
1192 test_expect_success 'grep --no-index complains of revs' '
1193         test_must_fail git grep --no-index o master -- 2>err &&
1194         test_i18ngrep "cannot be used with revs" err
1195 '
1196
1197 test_expect_success 'grep --no-index prefers paths to revs' '
1198         test_when_finished "rm -f master" &&
1199         echo content >master &&
1200         echo master:content >expect &&
1201         git grep --no-index o master >actual &&
1202         test_cmp expect actual
1203 '
1204
1205 test_expect_success 'grep --no-index does not "diagnose" revs' '
1206         test_must_fail git grep --no-index o :1:hello.c 2>err &&
1207         test_i18ngrep ! -i "did you mean" err
1208 '
1209
1210 cat >expected <<EOF
1211 hello.c:int main(int argc, const char **argv)
1212 hello.c:        printf("Hello world.\n");
1213 EOF
1214
1215 test_expect_success PCRE 'grep --perl-regexp pattern' '
1216         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1217         test_cmp expected actual
1218 '
1219
1220 test_expect_success !PCRE 'grep --perl-regexp pattern errors without PCRE' '
1221         test_must_fail git grep --perl-regexp "foo.*bar"
1222 '
1223
1224 test_expect_success PCRE 'grep -P pattern' '
1225         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1226         test_cmp expected actual
1227 '
1228
1229 test_expect_success LIBPCRE2 "grep -P with (*NO_JIT) doesn't error out" '
1230         git grep -P "(*NO_JIT)\p{Ps}.*?\p{Pe}" hello.c >actual &&
1231         test_cmp expected actual
1232
1233 '
1234
1235 test_expect_success !PCRE 'grep -P pattern errors without PCRE' '
1236         test_must_fail git grep -P "foo.*bar"
1237 '
1238
1239 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
1240         >empty &&
1241         test_must_fail git -c grep.extendedregexp=true \
1242                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1243         test_cmp empty actual
1244 '
1245
1246 test_expect_success PCRE 'grep -P pattern with grep.extendedRegexp=true' '
1247         git -c grep.extendedregexp=true \
1248                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1249         test_cmp expected actual
1250 '
1251
1252 test_expect_success PCRE 'grep -P -v pattern' '
1253         {
1254                 echo "ab:a+b*c"
1255                 echo "ab:a+bc"
1256         } >expected &&
1257         git grep -P -v "abc" ab >actual &&
1258         test_cmp expected actual
1259 '
1260
1261 test_expect_success PCRE 'grep -P -i pattern' '
1262         cat >expected <<-EOF &&
1263         hello.c:        printf("Hello world.\n");
1264         EOF
1265         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
1266         test_cmp expected actual
1267 '
1268
1269 test_expect_success PCRE 'grep -P -w pattern' '
1270         {
1271                 echo "hello_world:Hello world"
1272                 echo "hello_world:HeLLo world"
1273         } >expected &&
1274         git grep -P -w "He((?i)ll)o" hello_world >actual &&
1275         test_cmp expected actual
1276 '
1277
1278 test_expect_success PCRE 'grep -P backreferences work (the PCRE NO_AUTO_CAPTURE flag is not set)' '
1279         git grep -P -h "(?P<one>.)(?P=one)" hello_world >actual &&
1280         test_cmp hello_world actual &&
1281         git grep -P -h "(.)\1" hello_world >actual &&
1282         test_cmp hello_world actual
1283 '
1284
1285 test_expect_success 'grep -G invalidpattern properly dies ' '
1286         test_must_fail git grep -G "a["
1287 '
1288
1289 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
1290         test_must_fail git -c grep.patterntype=basic grep "a["
1291 '
1292
1293 test_expect_success 'grep -E invalidpattern properly dies ' '
1294         test_must_fail git grep -E "a["
1295 '
1296
1297 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
1298         test_must_fail git -c grep.patterntype=extended grep "a["
1299 '
1300
1301 test_expect_success PCRE 'grep -P invalidpattern properly dies ' '
1302         test_must_fail git grep -P "a["
1303 '
1304
1305 test_expect_success PCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
1306         test_must_fail git -c grep.patterntype=perl grep "a["
1307 '
1308
1309 test_expect_success 'grep -G -E -F pattern' '
1310         echo "ab:a+b*c" >expected &&
1311         git grep -G -E -F "a+b*c" ab >actual &&
1312         test_cmp expected actual
1313 '
1314
1315 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
1316         echo "ab:a+b*c" >expected &&
1317         git \
1318                 -c grep.patterntype=basic \
1319                 -c grep.patterntype=extended \
1320                 -c grep.patterntype=fixed \
1321                 grep "a+b*c" ab >actual &&
1322         test_cmp expected actual
1323 '
1324
1325 test_expect_success 'grep -E -F -G pattern' '
1326         echo "ab:a+bc" >expected &&
1327         git grep -E -F -G "a+b*c" ab >actual &&
1328         test_cmp expected actual
1329 '
1330
1331 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
1332         echo "ab:a+bc" >expected &&
1333         git \
1334                 -c grep.patterntype=extended \
1335                 -c grep.patterntype=fixed \
1336                 -c grep.patterntype=basic \
1337                 grep "a+b*c" ab >actual &&
1338         test_cmp expected actual
1339 '
1340
1341 test_expect_success 'grep -F -G -E pattern' '
1342         echo "ab:abc" >expected &&
1343         git grep -F -G -E "a+b*c" ab >actual &&
1344         test_cmp expected actual
1345 '
1346
1347 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
1348         echo "ab:abc" >expected &&
1349         git \
1350                 -c grep.patterntype=fixed \
1351                 -c grep.patterntype=basic \
1352                 -c grep.patterntype=extended \
1353                 grep "a+b*c" ab >actual &&
1354         test_cmp expected actual
1355 '
1356
1357 test_expect_success 'grep -G -F -P -E pattern' '
1358         echo "d0:d" >expected &&
1359         git grep -G -F -P -E "[\d]" d0 >actual &&
1360         test_cmp expected actual
1361 '
1362
1363 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
1364         echo "d0:d" >expected &&
1365         git \
1366                 -c grep.patterntype=fixed \
1367                 -c grep.patterntype=basic \
1368                 -c grep.patterntype=perl \
1369                 -c grep.patterntype=extended \
1370                 grep "[\d]" d0 >actual &&
1371         test_cmp expected actual
1372 '
1373
1374 test_expect_success PCRE 'grep -G -F -E -P pattern' '
1375         echo "d0:0" >expected &&
1376         git grep -G -F -E -P "[\d]" d0 >actual &&
1377         test_cmp expected actual
1378 '
1379
1380 test_expect_success PCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
1381         echo "d0:0" >expected &&
1382         git \
1383                 -c grep.patterntype=fixed \
1384                 -c grep.patterntype=basic \
1385                 -c grep.patterntype=extended \
1386                 -c grep.patterntype=perl \
1387                 grep "[\d]" d0 >actual &&
1388         test_cmp expected actual
1389 '
1390
1391 test_expect_success PCRE 'grep -P pattern with grep.patternType=fixed' '
1392         echo "ab:a+b*c" >expected &&
1393         git \
1394                 -c grep.patterntype=fixed \
1395                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
1396         test_cmp expected actual
1397 '
1398
1399 test_expect_success 'grep -F pattern with grep.patternType=basic' '
1400         echo "ab:a+b*c" >expected &&
1401         git \
1402                 -c grep.patterntype=basic \
1403                 grep -F "*c" ab >actual &&
1404         test_cmp expected actual
1405 '
1406
1407 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
1408         {
1409                 echo "ab:a+b*c"
1410                 echo "ab:a+bc"
1411         } >expected &&
1412         git \
1413                 -c grep.patterntype=fixed \
1414                 grep -G "a+b" ab >actual &&
1415         test_cmp expected actual
1416 '
1417
1418 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
1419         {
1420                 echo "ab:a+b*c"
1421                 echo "ab:a+bc"
1422                 echo "ab:abc"
1423         } >expected &&
1424         git \
1425                 -c grep.patterntype=fixed \
1426                 grep -E "a+" ab >actual &&
1427         test_cmp expected actual
1428 '
1429
1430 cat >expected <<EOF
1431 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1432 hello.c<RED>-<RESET>{
1433 <RED>--<RESET>
1434 hello.c<RED>:<RESET>    /* char ?? */
1435 hello.c<RED>-<RESET>}
1436 <RED>--<RESET>
1437 hello_world<RED>:<RESET>Hello_world
1438 hello_world<RED>-<RESET>HeLLo_world
1439 EOF
1440
1441 test_expect_success 'grep --color, separator' '
1442         test_config color.grep.context          normal &&
1443         test_config color.grep.filename         normal &&
1444         test_config color.grep.function         normal &&
1445         test_config color.grep.linenumber       normal &&
1446         test_config color.grep.match            normal &&
1447         test_config color.grep.selected         normal &&
1448         test_config color.grep.separator        red &&
1449
1450         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1451         test_decode_color >actual &&
1452         test_cmp expected actual
1453 '
1454
1455 cat >expected <<EOF
1456 hello.c:int main(int argc, const char **argv)
1457 hello.c:        /* char ?? */
1458
1459 hello_world:Hello_world
1460 EOF
1461
1462 test_expect_success 'grep --break' '
1463         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1464         test_cmp expected actual
1465 '
1466
1467 cat >expected <<EOF
1468 hello.c:int main(int argc, const char **argv)
1469 hello.c-{
1470 --
1471 hello.c:        /* char ?? */
1472 hello.c-}
1473
1474 hello_world:Hello_world
1475 hello_world-HeLLo_world
1476 EOF
1477
1478 test_expect_success 'grep --break with context' '
1479         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1480         test_cmp expected actual
1481 '
1482
1483 cat >expected <<EOF
1484 hello.c
1485 int main(int argc, const char **argv)
1486         /* char ?? */
1487 hello_world
1488 Hello_world
1489 EOF
1490
1491 test_expect_success 'grep --heading' '
1492         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1493         test_cmp expected actual
1494 '
1495
1496 cat >expected <<EOF
1497 <BOLD;GREEN>hello.c<RESET>
1498 4:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1499 8:      /* <BLACK;BYELLOW>char<RESET> ?? */
1500
1501 <BOLD;GREEN>hello_world<RESET>
1502 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1503 EOF
1504
1505 test_expect_success 'mimic ack-grep --group' '
1506         test_config color.grep.context          normal &&
1507         test_config color.grep.filename         "bold green" &&
1508         test_config color.grep.function         normal &&
1509         test_config color.grep.linenumber       normal &&
1510         test_config color.grep.match            "black yellow" &&
1511         test_config color.grep.selected         normal &&
1512         test_config color.grep.separator        normal &&
1513
1514         git grep --break --heading -n --color \
1515                 -e char -e lo_w hello.c hello_world |
1516         test_decode_color >actual &&
1517         test_cmp expected actual
1518 '
1519
1520 cat >expected <<EOF
1521 space: line with leading space1
1522 space: line with leading space2
1523 space: line with leading space3
1524 EOF
1525
1526 test_expect_success PCRE 'grep -E "^ "' '
1527         git grep -E "^ " space >actual &&
1528         test_cmp expected actual
1529 '
1530
1531 test_expect_success PCRE 'grep -P "^ "' '
1532         git grep -P "^ " space >actual &&
1533         test_cmp expected actual
1534 '
1535
1536 cat >expected <<EOF
1537 space-line without leading space1
1538 space: line <RED>with <RESET>leading space1
1539 space: line <RED>with <RESET>leading <RED>space2<RESET>
1540 space: line <RED>with <RESET>leading space3
1541 space:line without leading <RED>space2<RESET>
1542 EOF
1543
1544 test_expect_success 'grep --color -e A -e B with context' '
1545         test_config color.grep.context          normal &&
1546         test_config color.grep.filename         normal &&
1547         test_config color.grep.function         normal &&
1548         test_config color.grep.linenumber       normal &&
1549         test_config color.grep.matchContext     normal &&
1550         test_config color.grep.matchSelected    red &&
1551         test_config color.grep.selected         normal &&
1552         test_config color.grep.separator        normal &&
1553
1554         git grep --color=always -C2 -e "with " -e space2  space |
1555         test_decode_color >actual &&
1556         test_cmp expected actual
1557 '
1558
1559 cat >expected <<EOF
1560 space-line without leading space1
1561 space- line with leading space1
1562 space: line <RED>with <RESET>leading <RED>space2<RESET>
1563 space- line with leading space3
1564 space-line without leading space2
1565 EOF
1566
1567 test_expect_success 'grep --color -e A --and -e B with context' '
1568         test_config color.grep.context          normal &&
1569         test_config color.grep.filename         normal &&
1570         test_config color.grep.function         normal &&
1571         test_config color.grep.linenumber       normal &&
1572         test_config color.grep.matchContext     normal &&
1573         test_config color.grep.matchSelected    red &&
1574         test_config color.grep.selected         normal &&
1575         test_config color.grep.separator        normal &&
1576
1577         git grep --color=always -C2 -e "with " --and -e space2  space |
1578         test_decode_color >actual &&
1579         test_cmp expected actual
1580 '
1581
1582 cat >expected <<EOF
1583 space-line without leading space1
1584 space: line <RED>with <RESET>leading space1
1585 space- line with leading space2
1586 space: line <RED>with <RESET>leading space3
1587 space-line without leading space2
1588 EOF
1589
1590 test_expect_success 'grep --color -e A --and --not -e B with context' '
1591         test_config color.grep.context          normal &&
1592         test_config color.grep.filename         normal &&
1593         test_config color.grep.function         normal &&
1594         test_config color.grep.linenumber       normal &&
1595         test_config color.grep.matchContext     normal &&
1596         test_config color.grep.matchSelected    red &&
1597         test_config color.grep.selected         normal &&
1598         test_config color.grep.separator        normal &&
1599
1600         git grep --color=always -C2 -e "with " --and --not -e space2  space |
1601         test_decode_color >actual &&
1602         test_cmp expected actual
1603 '
1604
1605 cat >expected <<EOF
1606 hello.c-
1607 hello.c=int main(int argc, const char **argv)
1608 hello.c-{
1609 hello.c:        pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
1610 hello.c-        return 0;
1611 hello.c-        /* char ?? */
1612 hello.c-}
1613 EOF
1614
1615 test_expect_success 'grep --color -e A --and -e B -p with context' '
1616         test_config color.grep.context          normal &&
1617         test_config color.grep.filename         normal &&
1618         test_config color.grep.function         normal &&
1619         test_config color.grep.linenumber       normal &&
1620         test_config color.grep.matchContext     normal &&
1621         test_config color.grep.matchSelected    red &&
1622         test_config color.grep.selected         normal &&
1623         test_config color.grep.separator        normal &&
1624
1625         git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
1626         test_decode_color >actual &&
1627         test_cmp expected actual
1628 '
1629
1630 test_expect_success 'grep can find things only in the work tree' '
1631         : >work-tree-only &&
1632         git add work-tree-only &&
1633         test_when_finished "git rm -f work-tree-only" &&
1634         echo "find in work tree" >work-tree-only &&
1635         git grep --quiet "find in work tree" &&
1636         test_must_fail git grep --quiet --cached "find in work tree" &&
1637         test_must_fail git grep --quiet "find in work tree" HEAD
1638 '
1639
1640 test_expect_success 'grep can find things only in the work tree (i-t-a)' '
1641         echo "intend to add this" >intend-to-add &&
1642         git add -N intend-to-add &&
1643         test_when_finished "git rm -f intend-to-add" &&
1644         git grep --quiet "intend to add this" &&
1645         test_must_fail git grep --quiet --cached "intend to add this" &&
1646         test_must_fail git grep --quiet "intend to add this" HEAD
1647 '
1648
1649 test_expect_success 'grep does not search work tree with assume unchanged' '
1650         echo "intend to add this" >intend-to-add &&
1651         git add -N intend-to-add &&
1652         git update-index --assume-unchanged intend-to-add &&
1653         test_when_finished "git rm -f intend-to-add" &&
1654         test_must_fail git grep --quiet "intend to add this" &&
1655         test_must_fail git grep --quiet --cached "intend to add this" &&
1656         test_must_fail git grep --quiet "intend to add this" HEAD
1657 '
1658
1659 test_expect_success 'grep can find things only in the index' '
1660         echo "only in the index" >cache-this &&
1661         git add cache-this &&
1662         rm cache-this &&
1663         test_when_finished "git rm --cached cache-this" &&
1664         test_must_fail git grep --quiet "only in the index" &&
1665         git grep --quiet --cached "only in the index" &&
1666         test_must_fail git grep --quiet "only in the index" HEAD
1667 '
1668
1669 test_expect_success 'grep does not report i-t-a with -L --cached' '
1670         echo "intend to add this" >intend-to-add &&
1671         git add -N intend-to-add &&
1672         test_when_finished "git rm -f intend-to-add" &&
1673         git ls-files | grep -v "^intend-to-add\$" >expected &&
1674         git grep -L --cached "nonexistent_string" >actual &&
1675         test_cmp expected actual
1676 '
1677
1678 test_expect_success 'grep does not report i-t-a and assume unchanged with -L' '
1679         echo "intend to add this" >intend-to-add-assume-unchanged &&
1680         git add -N intend-to-add-assume-unchanged &&
1681         test_when_finished "git rm -f intend-to-add-assume-unchanged" &&
1682         git update-index --assume-unchanged intend-to-add-assume-unchanged &&
1683         git ls-files | grep -v "^intend-to-add-assume-unchanged\$" >expected &&
1684         git grep -L "nonexistent_string" >actual &&
1685         test_cmp expected actual
1686 '
1687
1688 test_done