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         test_must_be_empty actual
 680 '
 681
 682 test_expect_success 'log grep (7)' '
 683         git log -g --grep-reflog="commit: third" --pretty=tformat:%s >actual &&
 684         echo third >expect &&
 685         test_cmp expect actual
 686 '
 687
 688 test_expect_success 'log grep (8)' '
 689         git log -g --grep-reflog="commit: third" --grep-reflog="commit: second" --pretty=tformat:%s >actual &&
 690         {
 691                 echo third && echo second
 692         } >expect &&
 693         test_cmp expect actual
 694 '
 695
 696 test_expect_success 'log grep (9)' '
 697         git log -g --grep-reflog="commit: third" --author="Thor" --pretty=tformat:%s >actual &&
 698         echo third >expect &&
 699         test_cmp expect actual
 700 '
 701
 702 test_expect_success 'log grep (9)' '
 703         git log -g --grep-reflog="commit: third" --author="non-existent" --pretty=tformat:%s >actual &&
 704         : >expect &&
 705         test_cmp expect actual
 706 '
 707
 708 test_expect_success 'log --grep-reflog can only be used under -g' '
 709         test_must_fail git log --grep-reflog="commit: third"
 710 '
 711
 712 test_expect_success 'log with multiple --grep uses union' '
 713         git log --grep=i --grep=r --format=%s >actual &&
 714         {
 715                 echo fourth && echo third && echo initial
 716         } >expect &&
 717         test_cmp expect actual
 718 '
 719
 720 test_expect_success 'log --all-match with multiple --grep uses intersection' '
 721         git log --all-match --grep=i --grep=r --format=%s >actual &&
 722         {
 723                 echo third
 724         } >expect &&
 725         test_cmp expect actual
 726 '
 727
 728 test_expect_success 'log with multiple --author uses union' '
 729         git log --author="Thor" --author="Aster" --format=%s >actual &&
 730         {
 731             echo third && echo second && echo initial
 732         } >expect &&
 733         test_cmp expect actual
 734 '
 735
 736 test_expect_success 'log --all-match with multiple --author still uses union' '
 737         git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 738         {
 739             echo third && echo second && echo initial
 740         } >expect &&
 741         test_cmp expect actual
 742 '
 743
 744 test_expect_success 'log --grep --author uses intersection' '
 745         # grep matches only third and fourth
 746         # author matches only initial and third
 747         git log --author="A U Thor" --grep=r --format=%s >actual &&
 748         {
 749                 echo third
 750         } >expect &&
 751         test_cmp expect actual
 752 '
 753
 754 test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 755         # grep matches initial and second but not third
 756         # author matches only initial and third
 757         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 758         {
 759                 echo initial
 760         } >expect &&
 761         test_cmp expect actual
 762 '
 763
 764 test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
 765         # grep matches only initial and third
 766         # author matches all but second
 767         git log --all-match --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 768         {
 769             echo third && echo initial
 770         } >expect &&
 771         test_cmp expect actual
 772 '
 773
 774 test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
 775         # grep matches only initial and third
 776         # author matches all but second
 777         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 778         {
 779             echo third && echo initial
 780         } >expect &&
 781         test_cmp expect actual
 782 '
 783
 784 test_expect_success 'log --all-match --grep --grep --author takes intersection' '
 785         # grep matches only third
 786         # author matches only initial and third
 787         git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
 788         {
 789                 echo third
 790         } >expect &&
 791         test_cmp expect actual
 792 '
 793
 794 test_expect_success 'log --author does not search in timestamp' '
 795         : >expect &&
 796         git log --author="$GIT_AUTHOR_DATE" >actual &&
 797         test_cmp expect actual
 798 '
 799
 800 test_expect_success 'log --committer does not search in timestamp' '
 801         : >expect &&
 802         git log --committer="$GIT_COMMITTER_DATE" >actual &&
 803         test_cmp expect actual
 804 '
 805
 806 test_expect_success 'grep with CE_VALID file' '
 807         git update-index --assume-unchanged t/t &&
 808         rm t/t &&
 809         test "$(git grep test)" = "t/t:test" &&
 810         git update-index --no-assume-unchanged t/t &&
 811         git checkout t/t
 812 '
 813
 814 cat >expected <<EOF
 815 hello.c=#include <stdio.h>
 816 hello.c:        return 0;
 817 EOF
 818
 819 test_expect_success 'grep -p with userdiff' '
 820         git config diff.custom.funcname "^#" &&
 821         echo "hello.c diff=custom" >.gitattributes &&
 822         git grep -p return >actual &&
 823         test_cmp expected actual
 824 '
 825
 826 cat >expected <<EOF
 827 hello.c=int main(int argc, const char **argv)
 828 hello.c:        return 0;
 829 EOF
 830
 831 test_expect_success 'grep -p' '
 832         rm -f .gitattributes &&
 833         git grep -p return >actual &&
 834         test_cmp expected actual
 835 '
 836
 837 cat >expected <<EOF
 838 hello.c-#include <stdio.h>
 839 hello.c-
 840 hello.c=int main(int argc, const char **argv)
 841 hello.c-{
 842 hello.c-        printf("Hello world.\n");
 843 hello.c:        return 0;
 844 EOF
 845
 846 test_expect_success 'grep -p -B5' '
 847         git grep -p -B5 return >actual &&
 848         test_cmp expected actual
 849 '
 850
 851 cat >expected <<EOF
 852 hello.c=int main(int argc, const char **argv)
 853 hello.c-{
 854 hello.c-        printf("Hello world.\n");
 855 hello.c:        return 0;
 856 hello.c-        /* char ?? */
 857 hello.c-}
 858 EOF
 859
 860 test_expect_success 'grep -W' '
 861         git grep -W return >actual &&
 862         test_cmp expected actual
 863 '
 864
 865 cat >expected <<EOF
 866 hello.c-#include <assert.h>
 867 hello.c:#include <stdio.h>
 868 EOF
 869
 870 test_expect_success 'grep -W shows no trailing empty lines' '
 871         git grep -W stdio >actual &&
 872         test_cmp expected actual
 873 '
 874
 875 test_expect_success 'grep -W with userdiff' '
 876         test_when_finished "rm -f .gitattributes" &&
 877         git config diff.custom.xfuncname "^function .*$" &&
 878         echo "hello.ps1 diff=custom" >.gitattributes &&
 879         git grep -W echo >function-context-userdiff-actual
 880 '
 881
 882 test_expect_success ' includes preceding comment' '
 883         grep "# Say hello" function-context-userdiff-actual
 884 '
 885
 886 test_expect_success ' includes function line' '
 887         grep "=function hello" function-context-userdiff-actual
 888 '
 889
 890 test_expect_success ' includes matching line' '
 891         grep ":  echo" function-context-userdiff-actual
 892 '
 893
 894 test_expect_success ' includes last line of the function' '
 895         grep "} # hello" function-context-userdiff-actual
 896 '
 897
 898 for threads in $(test_seq 0 10)
 899 do
 900         test_expect_success "grep --threads=$threads & -c grep.threads=$threads" "
 901                 git grep --threads=$threads . >actual.$threads &&
 902                 if test $threads -ge 1
 903                 then
 904                         test_cmp actual.\$(($threads - 1)) actual.$threads
 905                 fi &&
 906                 git -c grep.threads=$threads grep . >actual.$threads &&
 907                 if test $threads -ge 1
 908                 then
 909                         test_cmp actual.\$(($threads - 1)) actual.$threads
 910                 fi
 911         "
 912 done
 913
 914 test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'grep --threads=N or pack.threads=N warns when no pthreads' '
 915         git grep --threads=2 Hello hello_world 2>err &&
 916         grep ^warning: err >warnings &&
 917         test_line_count = 1 warnings &&
 918         grep -F "no threads support, ignoring --threads" err &&
 919         git -c grep.threads=2 grep Hello hello_world 2>err &&
 920         grep ^warning: err >warnings &&
 921         test_line_count = 1 warnings &&
 922         grep -F "no threads support, ignoring grep.threads" err &&
 923         git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
 924         grep ^warning: err >warnings &&
 925         test_line_count = 2 warnings &&
 926         grep -F "no threads support, ignoring --threads" err &&
 927         grep -F "no threads support, ignoring grep.threads" err &&
 928         git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
 929         test_line_count = 0 err
 930 '
 931
 932 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 933         mkdir -p s &&
 934         (
 935                 cd s && git grep "x x x" ..
 936         )
 937 '
 938
 939 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 940         mkdir -p s &&
 941         (
 942                 cd s || exit 1
 943                 ( git grep xxyyzz .. >out ; echo $? >status )
 944                 test_must_be_empty out &&
 945                 test 1 = $(cat status)
 946         )
 947 '
 948
 949 cat >expected <<EOF
 950 hello.c:int main(int argc, const char **argv)
 951 EOF
 952
 953 test_expect_success 'grep -Fi' '
 954         git grep -Fi "CHAR *" >actual &&
 955         test_cmp expected actual
 956 '
 957
 958 test_expect_success 'outside of git repository' '
 959         rm -fr non &&
 960         mkdir -p non/git/sub &&
 961         echo hello >non/git/file1 &&
 962         echo world >non/git/sub/file2 &&
 963         {
 964                 echo file1:hello &&
 965                 echo sub/file2:world
 966         } >non/expect.full &&
 967         echo file2:world >non/expect.sub &&
 968         (
 969                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 970                 export GIT_CEILING_DIRECTORIES &&
 971                 cd non/git &&
 972                 test_must_fail git grep o &&
 973                 git grep --no-index o >../actual.full &&
 974                 test_cmp ../expect.full ../actual.full &&
 975                 cd sub &&
 976                 test_must_fail git grep o &&
 977                 git grep --no-index o >../../actual.sub &&
 978                 test_cmp ../../expect.sub ../../actual.sub
 979         ) &&
 980
 981         echo ".*o*" >non/git/.gitignore &&
 982         (
 983                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 984                 export GIT_CEILING_DIRECTORIES &&
 985                 cd non/git &&
 986                 test_must_fail git grep o &&
 987                 git grep --no-index --exclude-standard o >../actual.full &&
 988                 test_cmp ../expect.full ../actual.full &&
 989
 990                 {
 991                         echo ".gitignore:.*o*" &&
 992                         cat ../expect.full
 993                 } >../expect.with.ignored &&
 994                 git grep --no-index --no-exclude o >../actual.full &&
 995                 test_cmp ../expect.with.ignored ../actual.full
 996         )
 997 '
 998
 999 test_expect_success 'outside of git repository with fallbackToNoIndex' '
1000         rm -fr non &&
1001         mkdir -p non/git/sub &&
1002         echo hello >non/git/file1 &&
1003         echo world >non/git/sub/file2 &&
1004         cat <<-\EOF >non/expect.full &&
1005         file1:hello
1006         sub/file2:world
1007         EOF
1008         echo file2:world >non/expect.sub &&
1009         (
1010                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1011                 export GIT_CEILING_DIRECTORIES &&
1012                 cd non/git &&
1013                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1014                 git -c grep.fallbackToNoIndex=true grep o >../actual.full &&
1015                 test_cmp ../expect.full ../actual.full &&
1016                 cd sub &&
1017                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1018                 git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
1019                 test_cmp ../../expect.sub ../../actual.sub
1020         ) &&
1021
1022         echo ".*o*" >non/git/.gitignore &&
1023         (
1024                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1025                 export GIT_CEILING_DIRECTORIES &&
1026                 cd non/git &&
1027                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1028                 git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
1029                 test_cmp ../expect.full ../actual.full &&
1030
1031                 {
1032                         echo ".gitignore:.*o*" &&
1033                         cat ../expect.full
1034                 } >../expect.with.ignored &&
1035                 git -c grep.fallbackToNoIndex grep --no-exclude o >../actual.full &&
1036                 test_cmp ../expect.with.ignored ../actual.full
1037         )
1038 '
1039
1040 test_expect_success 'inside git repository but with --no-index' '
1041         rm -fr is &&
1042         mkdir -p is/git/sub &&
1043         echo hello >is/git/file1 &&
1044         echo world >is/git/sub/file2 &&
1045         echo ".*o*" >is/git/.gitignore &&
1046         {
1047                 echo file1:hello &&
1048                 echo sub/file2:world
1049         } >is/expect.unignored &&
1050         {
1051                 echo ".gitignore:.*o*" &&
1052                 cat is/expect.unignored
1053         } >is/expect.full &&
1054         : >is/expect.empty &&
1055         echo file2:world >is/expect.sub &&
1056         (
1057                 cd is/git &&
1058                 git init &&
1059                 test_must_fail git grep o >../actual.full &&
1060                 test_cmp ../expect.empty ../actual.full &&
1061
1062                 git grep --untracked o >../actual.unignored &&
1063                 test_cmp ../expect.unignored ../actual.unignored &&
1064
1065                 git grep --no-index o >../actual.full &&
1066                 test_cmp ../expect.full ../actual.full &&
1067
1068                 git grep --no-index --exclude-standard o >../actual.unignored &&
1069                 test_cmp ../expect.unignored ../actual.unignored &&
1070
1071                 cd sub &&
1072                 test_must_fail git grep o >../../actual.sub &&
1073                 test_cmp ../../expect.empty ../../actual.sub &&
1074
1075                 git grep --no-index o >../../actual.sub &&
1076                 test_cmp ../../expect.sub ../../actual.sub &&
1077
1078                 git grep --untracked o >../../actual.sub &&
1079                 test_cmp ../../expect.sub ../../actual.sub
1080         )
1081 '
1082
1083 test_expect_success 'grep --no-index descends into repos, but not .git' '
1084         rm -fr non &&
1085         mkdir -p non/git &&
1086         (
1087                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1088                 export GIT_CEILING_DIRECTORIES &&
1089                 cd non/git &&
1090
1091                 echo magic >file &&
1092                 git init repo &&
1093                 (
1094                         cd repo &&
1095                         echo magic >file &&
1096                         git add file &&
1097                         git commit -m foo &&
1098                         echo magic >.git/file
1099                 ) &&
1100
1101                 cat >expect <<-\EOF &&
1102                 file
1103                 repo/file
1104                 EOF
1105                 git grep -l --no-index magic >actual &&
1106                 test_cmp expect actual
1107         )
1108 '
1109
1110 test_expect_success 'setup double-dash tests' '
1111 cat >double-dash <<EOF &&
1112 --
1113 ->
1114 other
1115 EOF
1116 git add double-dash
1117 '
1118
1119 cat >expected <<EOF
1120 double-dash:->
1121 EOF
1122 test_expect_success 'grep -- pattern' '
1123         git grep -- "->" >actual &&
1124         test_cmp expected actual
1125 '
1126 test_expect_success 'grep -- pattern -- pathspec' '
1127         git grep -- "->" -- double-dash >actual &&
1128         test_cmp expected actual
1129 '
1130 test_expect_success 'grep -e pattern -- path' '
1131         git grep -e "->" -- double-dash >actual &&
1132         test_cmp expected actual
1133 '
1134
1135 cat >expected <<EOF
1136 double-dash:--
1137 EOF
1138 test_expect_success 'grep -e -- -- path' '
1139         git grep -e -- -- double-dash >actual &&
1140         test_cmp expected actual
1141 '
1142
1143 test_expect_success 'dashdash disambiguates rev as rev' '
1144         test_when_finished "rm -f master" &&
1145         echo content >master &&
1146         echo master:hello.c >expect &&
1147         git grep -l o master -- hello.c >actual &&
1148         test_cmp expect actual
1149 '
1150
1151 test_expect_success 'dashdash disambiguates pathspec as pathspec' '
1152         test_when_finished "git rm -f master" &&
1153         echo content >master &&
1154         git add master &&
1155         echo master:content >expect &&
1156         git grep o -- master >actual &&
1157         test_cmp expect actual
1158 '
1159
1160 test_expect_success 'report bogus arg without dashdash' '
1161         test_must_fail git grep o does-not-exist
1162 '
1163
1164 test_expect_success 'report bogus rev with dashdash' '
1165         test_must_fail git grep o hello.c --
1166 '
1167
1168 test_expect_success 'allow non-existent path with dashdash' '
1169         # We need a real match so grep exits with success.
1170         tree=$(git ls-tree HEAD |
1171                sed s/hello.c/not-in-working-tree/ |
1172                git mktree) &&
1173         git grep o "$tree" -- not-in-working-tree
1174 '
1175
1176 test_expect_success 'grep --no-index pattern -- path' '
1177         rm -fr non &&
1178         mkdir -p non/git &&
1179         (
1180                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1181                 export GIT_CEILING_DIRECTORIES &&
1182                 cd non/git &&
1183                 echo hello >hello &&
1184                 echo goodbye >goodbye &&
1185                 echo hello:hello >expect &&
1186                 git grep --no-index o -- hello >actual &&
1187                 test_cmp expect actual
1188         )
1189 '
1190
1191 test_expect_success 'grep --no-index complains of revs' '
1192         test_must_fail git grep --no-index o master -- 2>err &&
1193         test_i18ngrep "cannot be used with revs" err
1194 '
1195
1196 test_expect_success 'grep --no-index prefers paths to revs' '
1197         test_when_finished "rm -f master" &&
1198         echo content >master &&
1199         echo master:content >expect &&
1200         git grep --no-index o master >actual &&
1201         test_cmp expect actual
1202 '
1203
1204 test_expect_success 'grep --no-index does not "diagnose" revs' '
1205         test_must_fail git grep --no-index o :1:hello.c 2>err &&
1206         test_i18ngrep ! -i "did you mean" err
1207 '
1208
1209 cat >expected <<EOF
1210 hello.c:int main(int argc, const char **argv)
1211 hello.c:        printf("Hello world.\n");
1212 EOF
1213
1214 test_expect_success PCRE 'grep --perl-regexp pattern' '
1215         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1216         test_cmp expected actual
1217 '
1218
1219 test_expect_success !PCRE 'grep --perl-regexp pattern errors without PCRE' '
1220         test_must_fail git grep --perl-regexp "foo.*bar"
1221 '
1222
1223 test_expect_success PCRE 'grep -P pattern' '
1224         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1225         test_cmp expected actual
1226 '
1227
1228 test_expect_success LIBPCRE2 "grep -P with (*NO_JIT) doesn't error out" '
1229         git grep -P "(*NO_JIT)\p{Ps}.*?\p{Pe}" hello.c >actual &&
1230         test_cmp expected actual
1231
1232 '
1233
1234 test_expect_success !PCRE 'grep -P pattern errors without PCRE' '
1235         test_must_fail git grep -P "foo.*bar"
1236 '
1237
1238 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
1239         >empty &&
1240         test_must_fail git -c grep.extendedregexp=true \
1241                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1242         test_cmp empty actual
1243 '
1244
1245 test_expect_success PCRE 'grep -P pattern with grep.extendedRegexp=true' '
1246         git -c grep.extendedregexp=true \
1247                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1248         test_cmp expected actual
1249 '
1250
1251 test_expect_success PCRE 'grep -P -v pattern' '
1252         {
1253                 echo "ab:a+b*c"
1254                 echo "ab:a+bc"
1255         } >expected &&
1256         git grep -P -v "abc" ab >actual &&
1257         test_cmp expected actual
1258 '
1259
1260 test_expect_success PCRE 'grep -P -i pattern' '
1261         cat >expected <<-EOF &&
1262         hello.c:        printf("Hello world.\n");
1263         EOF
1264         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
1265         test_cmp expected actual
1266 '
1267
1268 test_expect_success PCRE 'grep -P -w pattern' '
1269         {
1270                 echo "hello_world:Hello world"
1271                 echo "hello_world:HeLLo world"
1272         } >expected &&
1273         git grep -P -w "He((?i)ll)o" hello_world >actual &&
1274         test_cmp expected actual
1275 '
1276
1277 test_expect_success PCRE 'grep -P backreferences work (the PCRE NO_AUTO_CAPTURE flag is not set)' '
1278         git grep -P -h "(?P<one>.)(?P=one)" hello_world >actual &&
1279         test_cmp hello_world actual &&
1280         git grep -P -h "(.)\1" hello_world >actual &&
1281         test_cmp hello_world actual
1282 '
1283
1284 test_expect_success 'grep -G invalidpattern properly dies ' '
1285         test_must_fail git grep -G "a["
1286 '
1287
1288 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
1289         test_must_fail git -c grep.patterntype=basic grep "a["
1290 '
1291
1292 test_expect_success 'grep -E invalidpattern properly dies ' '
1293         test_must_fail git grep -E "a["
1294 '
1295
1296 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
1297         test_must_fail git -c grep.patterntype=extended grep "a["
1298 '
1299
1300 test_expect_success PCRE 'grep -P invalidpattern properly dies ' '
1301         test_must_fail git grep -P "a["
1302 '
1303
1304 test_expect_success PCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
1305         test_must_fail git -c grep.patterntype=perl grep "a["
1306 '
1307
1308 test_expect_success 'grep -G -E -F pattern' '
1309         echo "ab:a+b*c" >expected &&
1310         git grep -G -E -F "a+b*c" ab >actual &&
1311         test_cmp expected actual
1312 '
1313
1314 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
1315         echo "ab:a+b*c" >expected &&
1316         git \
1317                 -c grep.patterntype=basic \
1318                 -c grep.patterntype=extended \
1319                 -c grep.patterntype=fixed \
1320                 grep "a+b*c" ab >actual &&
1321         test_cmp expected actual
1322 '
1323
1324 test_expect_success 'grep -E -F -G pattern' '
1325         echo "ab:a+bc" >expected &&
1326         git grep -E -F -G "a+b*c" ab >actual &&
1327         test_cmp expected actual
1328 '
1329
1330 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
1331         echo "ab:a+bc" >expected &&
1332         git \
1333                 -c grep.patterntype=extended \
1334                 -c grep.patterntype=fixed \
1335                 -c grep.patterntype=basic \
1336                 grep "a+b*c" ab >actual &&
1337         test_cmp expected actual
1338 '
1339
1340 test_expect_success 'grep -F -G -E pattern' '
1341         echo "ab:abc" >expected &&
1342         git grep -F -G -E "a+b*c" ab >actual &&
1343         test_cmp expected actual
1344 '
1345
1346 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
1347         echo "ab:abc" >expected &&
1348         git \
1349                 -c grep.patterntype=fixed \
1350                 -c grep.patterntype=basic \
1351                 -c grep.patterntype=extended \
1352                 grep "a+b*c" ab >actual &&
1353         test_cmp expected actual
1354 '
1355
1356 test_expect_success 'grep -G -F -P -E pattern' '
1357         echo "d0:d" >expected &&
1358         git grep -G -F -P -E "[\d]" d0 >actual &&
1359         test_cmp expected actual
1360 '
1361
1362 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
1363         echo "d0:d" >expected &&
1364         git \
1365                 -c grep.patterntype=fixed \
1366                 -c grep.patterntype=basic \
1367                 -c grep.patterntype=perl \
1368                 -c grep.patterntype=extended \
1369                 grep "[\d]" d0 >actual &&
1370         test_cmp expected actual
1371 '
1372
1373 test_expect_success PCRE 'grep -G -F -E -P pattern' '
1374         echo "d0:0" >expected &&
1375         git grep -G -F -E -P "[\d]" d0 >actual &&
1376         test_cmp expected actual
1377 '
1378
1379 test_expect_success PCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
1380         echo "d0:0" >expected &&
1381         git \
1382                 -c grep.patterntype=fixed \
1383                 -c grep.patterntype=basic \
1384                 -c grep.patterntype=extended \
1385                 -c grep.patterntype=perl \
1386                 grep "[\d]" d0 >actual &&
1387         test_cmp expected actual
1388 '
1389
1390 test_expect_success PCRE 'grep -P pattern with grep.patternType=fixed' '
1391         echo "ab:a+b*c" >expected &&
1392         git \
1393                 -c grep.patterntype=fixed \
1394                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
1395         test_cmp expected actual
1396 '
1397
1398 test_expect_success 'grep -F pattern with grep.patternType=basic' '
1399         echo "ab:a+b*c" >expected &&
1400         git \
1401                 -c grep.patterntype=basic \
1402                 grep -F "*c" ab >actual &&
1403         test_cmp expected actual
1404 '
1405
1406 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
1407         {
1408                 echo "ab:a+b*c"
1409                 echo "ab:a+bc"
1410         } >expected &&
1411         git \
1412                 -c grep.patterntype=fixed \
1413                 grep -G "a+b" ab >actual &&
1414         test_cmp expected actual
1415 '
1416
1417 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
1418         {
1419                 echo "ab:a+b*c"
1420                 echo "ab:a+bc"
1421                 echo "ab:abc"
1422         } >expected &&
1423         git \
1424                 -c grep.patterntype=fixed \
1425                 grep -E "a+" ab >actual &&
1426         test_cmp expected actual
1427 '
1428
1429 cat >expected <<EOF
1430 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1431 hello.c<RED>-<RESET>{
1432 <RED>--<RESET>
1433 hello.c<RED>:<RESET>    /* char ?? */
1434 hello.c<RED>-<RESET>}
1435 <RED>--<RESET>
1436 hello_world<RED>:<RESET>Hello_world
1437 hello_world<RED>-<RESET>HeLLo_world
1438 EOF
1439
1440 test_expect_success 'grep --color, separator' '
1441         test_config color.grep.context          normal &&
1442         test_config color.grep.filename         normal &&
1443         test_config color.grep.function         normal &&
1444         test_config color.grep.linenumber       normal &&
1445         test_config color.grep.match            normal &&
1446         test_config color.grep.selected         normal &&
1447         test_config color.grep.separator        red &&
1448
1449         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1450         test_decode_color >actual &&
1451         test_cmp expected actual
1452 '
1453
1454 cat >expected <<EOF
1455 hello.c:int main(int argc, const char **argv)
1456 hello.c:        /* char ?? */
1457
1458 hello_world:Hello_world
1459 EOF
1460
1461 test_expect_success 'grep --break' '
1462         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1463         test_cmp expected actual
1464 '
1465
1466 cat >expected <<EOF
1467 hello.c:int main(int argc, const char **argv)
1468 hello.c-{
1469 --
1470 hello.c:        /* char ?? */
1471 hello.c-}
1472
1473 hello_world:Hello_world
1474 hello_world-HeLLo_world
1475 EOF
1476
1477 test_expect_success 'grep --break with context' '
1478         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1479         test_cmp expected actual
1480 '
1481
1482 cat >expected <<EOF
1483 hello.c
1484 int main(int argc, const char **argv)
1485         /* char ?? */
1486 hello_world
1487 Hello_world
1488 EOF
1489
1490 test_expect_success 'grep --heading' '
1491         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1492         test_cmp expected actual
1493 '
1494
1495 cat >expected <<EOF
1496 <BOLD;GREEN>hello.c<RESET>
1497 4:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1498 8:      /* <BLACK;BYELLOW>char<RESET> ?? */
1499
1500 <BOLD;GREEN>hello_world<RESET>
1501 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1502 EOF
1503
1504 test_expect_success 'mimic ack-grep --group' '
1505         test_config color.grep.context          normal &&
1506         test_config color.grep.filename         "bold green" &&
1507         test_config color.grep.function         normal &&
1508         test_config color.grep.linenumber       normal &&
1509         test_config color.grep.match            "black yellow" &&
1510         test_config color.grep.selected         normal &&
1511         test_config color.grep.separator        normal &&
1512
1513         git grep --break --heading -n --color \
1514                 -e char -e lo_w hello.c hello_world |
1515         test_decode_color >actual &&
1516         test_cmp expected actual
1517 '
1518
1519 cat >expected <<EOF
1520 space: line with leading space1
1521 space: line with leading space2
1522 space: line with leading space3
1523 EOF
1524
1525 test_expect_success PCRE 'grep -E "^ "' '
1526         git grep -E "^ " space >actual &&
1527         test_cmp expected actual
1528 '
1529
1530 test_expect_success PCRE 'grep -P "^ "' '
1531         git grep -P "^ " space >actual &&
1532         test_cmp expected actual
1533 '
1534
1535 cat >expected <<EOF
1536 space-line without leading space1
1537 space: line <RED>with <RESET>leading space1
1538 space: line <RED>with <RESET>leading <RED>space2<RESET>
1539 space: line <RED>with <RESET>leading space3
1540 space:line without leading <RED>space2<RESET>
1541 EOF
1542
1543 test_expect_success 'grep --color -e A -e B with context' '
1544         test_config color.grep.context          normal &&
1545         test_config color.grep.filename         normal &&
1546         test_config color.grep.function         normal &&
1547         test_config color.grep.linenumber       normal &&
1548         test_config color.grep.matchContext     normal &&
1549         test_config color.grep.matchSelected    red &&
1550         test_config color.grep.selected         normal &&
1551         test_config color.grep.separator        normal &&
1552
1553         git grep --color=always -C2 -e "with " -e space2  space |
1554         test_decode_color >actual &&
1555         test_cmp expected actual
1556 '
1557
1558 cat >expected <<EOF
1559 space-line without leading space1
1560 space- line with leading space1
1561 space: line <RED>with <RESET>leading <RED>space2<RESET>
1562 space- line with leading space3
1563 space-line without leading space2
1564 EOF
1565
1566 test_expect_success 'grep --color -e A --and -e B with context' '
1567         test_config color.grep.context          normal &&
1568         test_config color.grep.filename         normal &&
1569         test_config color.grep.function         normal &&
1570         test_config color.grep.linenumber       normal &&
1571         test_config color.grep.matchContext     normal &&
1572         test_config color.grep.matchSelected    red &&
1573         test_config color.grep.selected         normal &&
1574         test_config color.grep.separator        normal &&
1575
1576         git grep --color=always -C2 -e "with " --and -e space2  space |
1577         test_decode_color >actual &&
1578         test_cmp expected actual
1579 '
1580
1581 cat >expected <<EOF
1582 space-line without leading space1
1583 space: line <RED>with <RESET>leading space1
1584 space- line with leading space2
1585 space: line <RED>with <RESET>leading space3
1586 space-line without leading space2
1587 EOF
1588
1589 test_expect_success 'grep --color -e A --and --not -e B with context' '
1590         test_config color.grep.context          normal &&
1591         test_config color.grep.filename         normal &&
1592         test_config color.grep.function         normal &&
1593         test_config color.grep.linenumber       normal &&
1594         test_config color.grep.matchContext     normal &&
1595         test_config color.grep.matchSelected    red &&
1596         test_config color.grep.selected         normal &&
1597         test_config color.grep.separator        normal &&
1598
1599         git grep --color=always -C2 -e "with " --and --not -e space2  space |
1600         test_decode_color >actual &&
1601         test_cmp expected actual
1602 '
1603
1604 cat >expected <<EOF
1605 hello.c-
1606 hello.c=int main(int argc, const char **argv)
1607 hello.c-{
1608 hello.c:        pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
1609 hello.c-        return 0;
1610 hello.c-        /* char ?? */
1611 hello.c-}
1612 EOF
1613
1614 test_expect_success 'grep --color -e A --and -e B -p with context' '
1615         test_config color.grep.context          normal &&
1616         test_config color.grep.filename         normal &&
1617         test_config color.grep.function         normal &&
1618         test_config color.grep.linenumber       normal &&
1619         test_config color.grep.matchContext     normal &&
1620         test_config color.grep.matchSelected    red &&
1621         test_config color.grep.selected         normal &&
1622         test_config color.grep.separator        normal &&
1623
1624         git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
1625         test_decode_color >actual &&
1626         test_cmp expected actual
1627 '
1628
1629 test_expect_success 'grep can find things only in the work tree' '
1630         : >work-tree-only &&
1631         git add work-tree-only &&
1632         test_when_finished "git rm -f work-tree-only" &&
1633         echo "find in work tree" >work-tree-only &&
1634         git grep --quiet "find in work tree" &&
1635         test_must_fail git grep --quiet --cached "find in work tree" &&
1636         test_must_fail git grep --quiet "find in work tree" HEAD
1637 '
1638
1639 test_expect_success 'grep can find things only in the work tree (i-t-a)' '
1640         echo "intend to add this" >intend-to-add &&
1641         git add -N intend-to-add &&
1642         test_when_finished "git rm -f intend-to-add" &&
1643         git grep --quiet "intend to add this" &&
1644         test_must_fail git grep --quiet --cached "intend to add this" &&
1645         test_must_fail git grep --quiet "intend to add this" HEAD
1646 '
1647
1648 test_expect_success 'grep does not search work tree with assume unchanged' '
1649         echo "intend to add this" >intend-to-add &&
1650         git add -N intend-to-add &&
1651         git update-index --assume-unchanged intend-to-add &&
1652         test_when_finished "git rm -f intend-to-add" &&
1653         test_must_fail git grep --quiet "intend to add this" &&
1654         test_must_fail git grep --quiet --cached "intend to add this" &&
1655         test_must_fail git grep --quiet "intend to add this" HEAD
1656 '
1657
1658 test_expect_success 'grep can find things only in the index' '
1659         echo "only in the index" >cache-this &&
1660         git add cache-this &&
1661         rm cache-this &&
1662         test_when_finished "git rm --cached cache-this" &&
1663         test_must_fail git grep --quiet "only in the index" &&
1664         git grep --quiet --cached "only in the index" &&
1665         test_must_fail git grep --quiet "only in the index" HEAD
1666 '
1667
1668 test_expect_success 'grep does not report i-t-a with -L --cached' '
1669         echo "intend to add this" >intend-to-add &&
1670         git add -N intend-to-add &&
1671         test_when_finished "git rm -f intend-to-add" &&
1672         git ls-files | grep -v "^intend-to-add\$" >expected &&
1673         git grep -L --cached "nonexistent_string" >actual &&
1674         test_cmp expected actual
1675 '
1676
1677 test_expect_success 'grep does not report i-t-a and assume unchanged with -L' '
1678         echo "intend to add this" >intend-to-add-assume-unchanged &&
1679         git add -N intend-to-add-assume-unchanged &&
1680         test_when_finished "git rm -f intend-to-add-assume-unchanged" &&
1681         git update-index --assume-unchanged intend-to-add-assume-unchanged &&
1682         git ls-files | grep -v "^intend-to-add-assume-unchanged\$" >expected &&
1683         git grep -L "nonexistent_string" >actual &&
1684         test_cmp expected actual
1685 '
1686
1687 test_done