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 (with --column, --only-matching)" '
 266                 {
 267                         echo ${HC}file:1:5:mmap
 268                         echo ${HC}file:2:5:mmap
 269                         echo ${HC}file:3:5:mmap
 270                         echo ${HC}file:3:13:mmap
 271                         echo ${HC}file:4:5:mmap
 272                         echo ${HC}file:4:13:mmap
 273                         echo ${HC}file:5:5:mmap
 274                         echo ${HC}file:5:13:mmap
 275                 } >expected &&
 276                 git grep --column -n -o -e mmap $H >actual &&
 277                 test_cmp expected actual
 278         '
 279
 280         test_expect_success "grep $L (t-1)" '
 281                 echo "${HC}t/t:1:test" >expected &&
 282                 git grep -n -e test $H >actual &&
 283                 test_cmp expected actual
 284         '
 285
 286         test_expect_success "grep $L (t-2)" '
 287                 echo "${HC}t:1:test" >expected &&
 288                 (
 289                         cd t &&
 290                         git grep -n -e test $H
 291                 ) >actual &&
 292                 test_cmp expected actual
 293         '
 294
 295         test_expect_success "grep $L (t-3)" '
 296                 echo "${HC}t/t:1:test" >expected &&
 297                 (
 298                         cd t &&
 299                         git grep --full-name -n -e test $H
 300                 ) >actual &&
 301                 test_cmp expected actual
 302         '
 303
 304         test_expect_success "grep -c $L (no /dev/null)" '
 305                 ! git grep -c test $H | grep /dev/null
 306         '
 307
 308         test_expect_success "grep --max-depth -1 $L" '
 309                 {
 310                         echo ${HC}t/a/v:1:vvv
 311                         echo ${HC}t/v:1:vvv
 312                         echo ${HC}v:1:vvv
 313                 } >expected &&
 314                 git grep --max-depth -1 -n -e vvv $H >actual &&
 315                 test_cmp expected actual
 316         '
 317
 318         test_expect_success "grep --max-depth 0 $L" '
 319                 {
 320                         echo ${HC}v:1:vvv
 321                 } >expected &&
 322                 git grep --max-depth 0 -n -e vvv $H >actual &&
 323                 test_cmp expected actual
 324         '
 325
 326         test_expect_success "grep --max-depth 0 -- '*' $L" '
 327                 {
 328                         echo ${HC}t/a/v:1:vvv
 329                         echo ${HC}t/v:1:vvv
 330                         echo ${HC}v:1:vvv
 331                 } >expected &&
 332                 git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 333                 test_cmp expected actual
 334         '
 335
 336         test_expect_success "grep --max-depth 1 $L" '
 337                 {
 338                         echo ${HC}t/v:1:vvv
 339                         echo ${HC}v:1:vvv
 340                 } >expected &&
 341                 git grep --max-depth 1 -n -e vvv $H >actual &&
 342                 test_cmp expected actual
 343         '
 344
 345         test_expect_success "grep --max-depth 0 -- t $L" '
 346                 {
 347                         echo ${HC}t/v:1:vvv
 348                 } >expected &&
 349                 git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 350                 test_cmp expected actual
 351         '
 352
 353         test_expect_success "grep --max-depth 0 -- . t $L" '
 354                 {
 355                         echo ${HC}t/v:1:vvv
 356                         echo ${HC}v:1:vvv
 357                 } >expected &&
 358                 git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
 359                 test_cmp expected actual
 360         '
 361
 362         test_expect_success "grep --max-depth 0 -- t . $L" '
 363                 {
 364                         echo ${HC}t/v:1:vvv
 365                         echo ${HC}v:1:vvv
 366                 } >expected &&
 367                 git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
 368                 test_cmp expected actual
 369         '
 370         test_expect_success "grep $L with grep.extendedRegexp=false" '
 371                 echo "${HC}ab:a+bc" >expected &&
 372                 git -c grep.extendedRegexp=false grep "a+b*c" $H ab >actual &&
 373                 test_cmp expected actual
 374         '
 375
 376         test_expect_success "grep $L with grep.extendedRegexp=true" '
 377                 echo "${HC}ab:abc" >expected &&
 378                 git -c grep.extendedRegexp=true grep "a+b*c" $H ab >actual &&
 379                 test_cmp expected actual
 380         '
 381
 382         test_expect_success "grep $L with grep.patterntype=basic" '
 383                 echo "${HC}ab:a+bc" >expected &&
 384                 git -c grep.patterntype=basic grep "a+b*c" $H ab >actual &&
 385                 test_cmp expected actual
 386         '
 387
 388         test_expect_success "grep $L with grep.patterntype=extended" '
 389                 echo "${HC}ab:abc" >expected &&
 390                 git -c grep.patterntype=extended grep "a+b*c" $H ab >actual &&
 391                 test_cmp expected actual
 392         '
 393
 394         test_expect_success "grep $L with grep.patterntype=fixed" '
 395                 echo "${HC}ab:a+b*c" >expected &&
 396                 git -c grep.patterntype=fixed grep "a+b*c" $H ab >actual &&
 397                 test_cmp expected actual
 398         '
 399
 400         test_expect_success PCRE "grep $L with grep.patterntype=perl" '
 401                 echo "${HC}ab:a+b*c" >expected &&
 402                 git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
 403                 test_cmp expected actual
 404         '
 405
 406         test_expect_success !PCRE "grep $L with grep.patterntype=perl errors without PCRE" '
 407                 test_must_fail git -c grep.patterntype=perl grep "foo.*bar"
 408         '
 409
 410         test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
 411                 echo "${HC}ab:abc" >expected &&
 412                 git \
 413                         -c grep.patternType=default \
 414                         -c grep.extendedRegexp=true \
 415                         grep "a+b*c" $H ab >actual &&
 416                 test_cmp expected actual
 417         '
 418
 419         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
 420                 echo "${HC}ab:abc" >expected &&
 421                 git \
 422                         -c grep.extendedRegexp=true \
 423                         -c grep.patternType=default \
 424                         grep "a+b*c" $H ab >actual &&
 425                 test_cmp expected actual
 426         '
 427
 428         test_expect_success "grep $L with grep.patternType=extended and grep.extendedRegexp=false" '
 429                 echo "${HC}ab:abc" >expected &&
 430                 git \
 431                         -c grep.patternType=extended \
 432                         -c grep.extendedRegexp=false \
 433                         grep "a+b*c" $H ab >actual &&
 434                 test_cmp expected actual
 435         '
 436
 437         test_expect_success "grep $L with grep.patternType=basic and grep.extendedRegexp=true" '
 438                 echo "${HC}ab:a+bc" >expected &&
 439                 git \
 440                         -c grep.patternType=basic \
 441                         -c grep.extendedRegexp=true \
 442                         grep "a+b*c" $H ab >actual &&
 443                 test_cmp expected actual
 444         '
 445
 446         test_expect_success "grep $L with grep.extendedRegexp=false and grep.patternType=extended" '
 447                 echo "${HC}ab:abc" >expected &&
 448                 git \
 449                         -c grep.extendedRegexp=false \
 450                         -c grep.patternType=extended \
 451                         grep "a+b*c" $H ab >actual &&
 452                 test_cmp expected actual
 453         '
 454
 455         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=basic" '
 456                 echo "${HC}ab:a+bc" >expected &&
 457                 git \
 458                         -c grep.extendedRegexp=true \
 459                         -c grep.patternType=basic \
 460                         grep "a+b*c" $H ab >actual &&
 461                 test_cmp expected actual
 462         '
 463
 464         test_expect_success "grep --count $L" '
 465                 echo ${HC}ab:3 >expected &&
 466                 git grep --count -e b $H -- ab >actual &&
 467                 test_cmp expected actual
 468         '
 469
 470         test_expect_success "grep --count -h $L" '
 471                 echo 3 >expected &&
 472                 git grep --count -h -e b $H -- ab >actual &&
 473                 test_cmp expected actual
 474         '
 475 done
 476
 477 cat >expected <<EOF
 478 file
 479 EOF
 480 test_expect_success 'grep -l -C' '
 481         git grep -l -C1 foo >actual &&
 482         test_cmp expected actual
 483 '
 484
 485 cat >expected <<EOF
 486 file:5
 487 EOF
 488 test_expect_success 'grep -c -C' '
 489         git grep -c -C1 foo >actual &&
 490         test_cmp expected actual
 491 '
 492
 493 test_expect_success 'grep -L -C' '
 494         git ls-files >expected &&
 495         git grep -L -C1 nonexistent_string >actual &&
 496         test_cmp expected actual
 497 '
 498
 499 test_expect_success 'grep --files-without-match --quiet' '
 500         git grep --files-without-match --quiet nonexistent_string >actual &&
 501         test_cmp /dev/null actual
 502 '
 503
 504 cat >expected <<EOF
 505 file:foo mmap bar_mmap
 506 EOF
 507
 508 test_expect_success 'grep -e A --and -e B' '
 509         git grep -e "foo mmap" --and -e bar_mmap >actual &&
 510         test_cmp expected actual
 511 '
 512
 513 cat >expected <<EOF
 514 file:foo_mmap bar mmap
 515 file:foo_mmap bar mmap baz
 516 EOF
 517
 518
 519 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 520         git grep \( -e foo_ --or -e baz \) \
 521                 --and -e " mmap" >actual &&
 522         test_cmp expected actual
 523 '
 524
 525 cat >expected <<EOF
 526 file:foo mmap bar
 527 EOF
 528
 529 test_expect_success 'grep -e A --and --not -e B' '
 530         git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 531         test_cmp expected actual
 532 '
 533
 534 test_expect_success 'grep should ignore GREP_OPTIONS' '
 535         GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 536         test_cmp expected actual
 537 '
 538
 539 test_expect_success 'grep -f, non-existent file' '
 540         test_must_fail git grep -f patterns
 541 '
 542
 543 cat >expected <<EOF
 544 file:foo mmap bar
 545 file:foo_mmap bar
 546 file:foo_mmap bar mmap
 547 file:foo mmap bar_mmap
 548 file:foo_mmap bar mmap baz
 549 EOF
 550
 551 cat >pattern <<EOF
 552 mmap
 553 EOF
 554
 555 test_expect_success 'grep -f, one pattern' '
 556         git grep -f pattern >actual &&
 557         test_cmp expected actual
 558 '
 559
 560 cat >expected <<EOF
 561 file:foo mmap bar
 562 file:foo_mmap bar
 563 file:foo_mmap bar mmap
 564 file:foo mmap bar_mmap
 565 file:foo_mmap bar mmap baz
 566 t/a/v:vvv
 567 t/v:vvv
 568 v:vvv
 569 EOF
 570
 571 cat >patterns <<EOF
 572 mmap
 573 vvv
 574 EOF
 575
 576 test_expect_success 'grep -f, multiple patterns' '
 577         git grep -f patterns >actual &&
 578         test_cmp expected actual
 579 '
 580
 581 test_expect_success 'grep, multiple patterns' '
 582         git grep "$(cat patterns)" >actual &&
 583         test_cmp expected actual
 584 '
 585
 586 cat >expected <<EOF
 587 file:foo mmap bar
 588 file:foo_mmap bar
 589 file:foo_mmap bar mmap
 590 file:foo mmap bar_mmap
 591 file:foo_mmap bar mmap baz
 592 t/a/v:vvv
 593 t/v:vvv
 594 v:vvv
 595 EOF
 596
 597 cat >patterns <<EOF
 598
 599 mmap
 600
 601 vvv
 602
 603 EOF
 604
 605 test_expect_success 'grep -f, ignore empty lines' '
 606         git grep -f patterns >actual &&
 607         test_cmp expected actual
 608 '
 609
 610 test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 611         git grep -f - <patterns >actual &&
 612         test_cmp expected actual
 613 '
 614
 615 cat >expected <<EOF
 616 y:y yy
 617 --
 618 z:zzz
 619 EOF
 620
 621 test_expect_success 'grep -q, silently report matches' '
 622         >empty &&
 623         git grep -q mmap >actual &&
 624         test_cmp empty actual &&
 625         test_must_fail git grep -q qfwfq >actual &&
 626         test_cmp empty actual
 627 '
 628
 629 test_expect_success 'grep -C1 hunk mark between files' '
 630         git grep -C1 "^[yz]" >actual &&
 631         test_cmp expected actual
 632 '
 633
 634 test_expect_success 'log grep setup' '
 635         echo a >>file &&
 636         test_tick &&
 637         GIT_AUTHOR_NAME="With * Asterisk" \
 638         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 639         git commit -a -m "second" &&
 640
 641         echo a >>file &&
 642         test_tick &&
 643         git commit -a -m "third" &&
 644
 645         echo a >>file &&
 646         test_tick &&
 647         GIT_AUTHOR_NAME="Night Fall" \
 648         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 649         git commit -a -m "fourth"
 650 '
 651
 652 test_expect_success 'log grep (1)' '
 653         git log --author=author --pretty=tformat:%s >actual &&
 654         {
 655                 echo third && echo initial
 656         } >expect &&
 657         test_cmp expect actual
 658 '
 659
 660 test_expect_success 'log grep (2)' '
 661         git log --author=" * " -F --pretty=tformat:%s >actual &&
 662         {
 663                 echo second
 664         } >expect &&
 665         test_cmp expect actual
 666 '
 667
 668 test_expect_success 'log grep (3)' '
 669         git log --author="^A U" --pretty=tformat:%s >actual &&
 670         {
 671                 echo third && echo initial
 672         } >expect &&
 673         test_cmp expect actual
 674 '
 675
 676 test_expect_success 'log grep (4)' '
 677         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 678         {
 679                 echo second
 680         } >expect &&
 681         test_cmp expect actual
 682 '
 683
 684 test_expect_success 'log grep (5)' '
 685         git log --author=Thor -F --pretty=tformat:%s >actual &&
 686         {
 687                 echo third && echo initial
 688         } >expect &&
 689         test_cmp expect actual
 690 '
 691
 692 test_expect_success 'log grep (6)' '
 693         git log --author=-0700  --pretty=tformat:%s >actual &&
 694         test_must_be_empty actual
 695 '
 696
 697 test_expect_success 'log grep (7)' '
 698         git log -g --grep-reflog="commit: third" --pretty=tformat:%s >actual &&
 699         echo third >expect &&
 700         test_cmp expect actual
 701 '
 702
 703 test_expect_success 'log grep (8)' '
 704         git log -g --grep-reflog="commit: third" --grep-reflog="commit: second" --pretty=tformat:%s >actual &&
 705         {
 706                 echo third && echo second
 707         } >expect &&
 708         test_cmp expect actual
 709 '
 710
 711 test_expect_success 'log grep (9)' '
 712         git log -g --grep-reflog="commit: third" --author="Thor" --pretty=tformat:%s >actual &&
 713         echo third >expect &&
 714         test_cmp expect actual
 715 '
 716
 717 test_expect_success 'log grep (9)' '
 718         git log -g --grep-reflog="commit: third" --author="non-existent" --pretty=tformat:%s >actual &&
 719         : >expect &&
 720         test_cmp expect actual
 721 '
 722
 723 test_expect_success 'log --grep-reflog can only be used under -g' '
 724         test_must_fail git log --grep-reflog="commit: third"
 725 '
 726
 727 test_expect_success 'log with multiple --grep uses union' '
 728         git log --grep=i --grep=r --format=%s >actual &&
 729         {
 730                 echo fourth && echo third && echo initial
 731         } >expect &&
 732         test_cmp expect actual
 733 '
 734
 735 test_expect_success 'log --all-match with multiple --grep uses intersection' '
 736         git log --all-match --grep=i --grep=r --format=%s >actual &&
 737         {
 738                 echo third
 739         } >expect &&
 740         test_cmp expect actual
 741 '
 742
 743 test_expect_success 'log with multiple --author uses union' '
 744         git log --author="Thor" --author="Aster" --format=%s >actual &&
 745         {
 746             echo third && echo second && echo initial
 747         } >expect &&
 748         test_cmp expect actual
 749 '
 750
 751 test_expect_success 'log --all-match with multiple --author still uses union' '
 752         git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 753         {
 754             echo third && echo second && echo initial
 755         } >expect &&
 756         test_cmp expect actual
 757 '
 758
 759 test_expect_success 'log --grep --author uses intersection' '
 760         # grep matches only third and fourth
 761         # author matches only initial and third
 762         git log --author="A U Thor" --grep=r --format=%s >actual &&
 763         {
 764                 echo third
 765         } >expect &&
 766         test_cmp expect actual
 767 '
 768
 769 test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 770         # grep matches initial and second but not third
 771         # author matches only initial and third
 772         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 773         {
 774                 echo initial
 775         } >expect &&
 776         test_cmp expect actual
 777 '
 778
 779 test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
 780         # grep matches only initial and third
 781         # author matches all but second
 782         git log --all-match --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 783         {
 784             echo third && echo initial
 785         } >expect &&
 786         test_cmp expect actual
 787 '
 788
 789 test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
 790         # grep matches only initial and third
 791         # author matches all but second
 792         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 793         {
 794             echo third && echo initial
 795         } >expect &&
 796         test_cmp expect actual
 797 '
 798
 799 test_expect_success 'log --all-match --grep --grep --author takes intersection' '
 800         # grep matches only third
 801         # author matches only initial and third
 802         git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
 803         {
 804                 echo third
 805         } >expect &&
 806         test_cmp expect actual
 807 '
 808
 809 test_expect_success 'log --author does not search in timestamp' '
 810         : >expect &&
 811         git log --author="$GIT_AUTHOR_DATE" >actual &&
 812         test_cmp expect actual
 813 '
 814
 815 test_expect_success 'log --committer does not search in timestamp' '
 816         : >expect &&
 817         git log --committer="$GIT_COMMITTER_DATE" >actual &&
 818         test_cmp expect actual
 819 '
 820
 821 test_expect_success 'grep with CE_VALID file' '
 822         git update-index --assume-unchanged t/t &&
 823         rm t/t &&
 824         test "$(git grep test)" = "t/t:test" &&
 825         git update-index --no-assume-unchanged t/t &&
 826         git checkout t/t
 827 '
 828
 829 cat >expected <<EOF
 830 hello.c=#include <stdio.h>
 831 hello.c:        return 0;
 832 EOF
 833
 834 test_expect_success 'grep -p with userdiff' '
 835         git config diff.custom.funcname "^#" &&
 836         echo "hello.c diff=custom" >.gitattributes &&
 837         git grep -p return >actual &&
 838         test_cmp expected actual
 839 '
 840
 841 cat >expected <<EOF
 842 hello.c=int main(int argc, const char **argv)
 843 hello.c:        return 0;
 844 EOF
 845
 846 test_expect_success 'grep -p' '
 847         rm -f .gitattributes &&
 848         git grep -p return >actual &&
 849         test_cmp expected actual
 850 '
 851
 852 cat >expected <<EOF
 853 hello.c-#include <stdio.h>
 854 hello.c-
 855 hello.c=int main(int argc, const char **argv)
 856 hello.c-{
 857 hello.c-        printf("Hello world.\n");
 858 hello.c:        return 0;
 859 EOF
 860
 861 test_expect_success 'grep -p -B5' '
 862         git grep -p -B5 return >actual &&
 863         test_cmp expected actual
 864 '
 865
 866 cat >expected <<EOF
 867 hello.c=int main(int argc, const char **argv)
 868 hello.c-{
 869 hello.c-        printf("Hello world.\n");
 870 hello.c:        return 0;
 871 hello.c-        /* char ?? */
 872 hello.c-}
 873 EOF
 874
 875 test_expect_success 'grep -W' '
 876         git grep -W return >actual &&
 877         test_cmp expected actual
 878 '
 879
 880 cat >expected <<EOF
 881 hello.c-#include <assert.h>
 882 hello.c:#include <stdio.h>
 883 EOF
 884
 885 test_expect_success 'grep -W shows no trailing empty lines' '
 886         git grep -W stdio >actual &&
 887         test_cmp expected actual
 888 '
 889
 890 test_expect_success 'grep -W with userdiff' '
 891         test_when_finished "rm -f .gitattributes" &&
 892         git config diff.custom.xfuncname "^function .*$" &&
 893         echo "hello.ps1 diff=custom" >.gitattributes &&
 894         git grep -W echo >function-context-userdiff-actual
 895 '
 896
 897 test_expect_success ' includes preceding comment' '
 898         grep "# Say hello" function-context-userdiff-actual
 899 '
 900
 901 test_expect_success ' includes function line' '
 902         grep "=function hello" function-context-userdiff-actual
 903 '
 904
 905 test_expect_success ' includes matching line' '
 906         grep ":  echo" function-context-userdiff-actual
 907 '
 908
 909 test_expect_success ' includes last line of the function' '
 910         grep "} # hello" function-context-userdiff-actual
 911 '
 912
 913 for threads in $(test_seq 0 10)
 914 do
 915         test_expect_success "grep --threads=$threads & -c grep.threads=$threads" "
 916                 git grep --threads=$threads . >actual.$threads &&
 917                 if test $threads -ge 1
 918                 then
 919                         test_cmp actual.\$(($threads - 1)) actual.$threads
 920                 fi &&
 921                 git -c grep.threads=$threads grep . >actual.$threads &&
 922                 if test $threads -ge 1
 923                 then
 924                         test_cmp actual.\$(($threads - 1)) actual.$threads
 925                 fi
 926         "
 927 done
 928
 929 test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'grep --threads=N or pack.threads=N warns when no pthreads' '
 930         git grep --threads=2 Hello hello_world 2>err &&
 931         grep ^warning: err >warnings &&
 932         test_line_count = 1 warnings &&
 933         grep -F "no threads support, ignoring --threads" err &&
 934         git -c grep.threads=2 grep Hello hello_world 2>err &&
 935         grep ^warning: err >warnings &&
 936         test_line_count = 1 warnings &&
 937         grep -F "no threads support, ignoring grep.threads" err &&
 938         git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
 939         grep ^warning: err >warnings &&
 940         test_line_count = 2 warnings &&
 941         grep -F "no threads support, ignoring --threads" err &&
 942         grep -F "no threads support, ignoring grep.threads" err &&
 943         git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
 944         test_line_count = 0 err
 945 '
 946
 947 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 948         mkdir -p s &&
 949         (
 950                 cd s && git grep "x x x" ..
 951         )
 952 '
 953
 954 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 955         mkdir -p s &&
 956         (
 957                 cd s &&
 958                 test_expect_code 1 git grep xxyyzz .. >out &&
 959                 ! test -s out
 960         )
 961 '
 962
 963 cat >expected <<EOF
 964 hello.c:int main(int argc, const char **argv)
 965 EOF
 966
 967 test_expect_success 'grep -Fi' '
 968         git grep -Fi "CHAR *" >actual &&
 969         test_cmp expected actual
 970 '
 971
 972 test_expect_success 'outside of git repository' '
 973         rm -fr non &&
 974         mkdir -p non/git/sub &&
 975         echo hello >non/git/file1 &&
 976         echo world >non/git/sub/file2 &&
 977         {
 978                 echo file1:hello &&
 979                 echo sub/file2:world
 980         } >non/expect.full &&
 981         echo file2:world >non/expect.sub &&
 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 o >../actual.full &&
 988                 test_cmp ../expect.full ../actual.full &&
 989                 cd sub &&
 990                 test_must_fail git grep o &&
 991                 git grep --no-index o >../../actual.sub &&
 992                 test_cmp ../../expect.sub ../../actual.sub
 993         ) &&
 994
 995         echo ".*o*" >non/git/.gitignore &&
 996         (
 997                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 998                 export GIT_CEILING_DIRECTORIES &&
 999                 cd non/git &&
1000                 test_must_fail git grep o &&
1001                 git grep --no-index --exclude-standard o >../actual.full &&
1002                 test_cmp ../expect.full ../actual.full &&
1003
1004                 {
1005                         echo ".gitignore:.*o*" &&
1006                         cat ../expect.full
1007                 } >../expect.with.ignored &&
1008                 git grep --no-index --no-exclude o >../actual.full &&
1009                 test_cmp ../expect.with.ignored ../actual.full
1010         )
1011 '
1012
1013 test_expect_success 'outside of git repository with fallbackToNoIndex' '
1014         rm -fr non &&
1015         mkdir -p non/git/sub &&
1016         echo hello >non/git/file1 &&
1017         echo world >non/git/sub/file2 &&
1018         cat <<-\EOF >non/expect.full &&
1019         file1:hello
1020         sub/file2:world
1021         EOF
1022         echo file2:world >non/expect.sub &&
1023         (
1024                 GIT_CEILING_DIRECTORIES="$(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 o >../actual.full &&
1029                 test_cmp ../expect.full ../actual.full &&
1030                 cd sub &&
1031                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1032                 git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
1033                 test_cmp ../../expect.sub ../../actual.sub
1034         ) &&
1035
1036         echo ".*o*" >non/git/.gitignore &&
1037         (
1038                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1039                 export GIT_CEILING_DIRECTORIES &&
1040                 cd non/git &&
1041                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1042                 git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
1043                 test_cmp ../expect.full ../actual.full &&
1044
1045                 {
1046                         echo ".gitignore:.*o*" &&
1047                         cat ../expect.full
1048                 } >../expect.with.ignored &&
1049                 git -c grep.fallbackToNoIndex grep --no-exclude o >../actual.full &&
1050                 test_cmp ../expect.with.ignored ../actual.full
1051         )
1052 '
1053
1054 test_expect_success 'inside git repository but with --no-index' '
1055         rm -fr is &&
1056         mkdir -p is/git/sub &&
1057         echo hello >is/git/file1 &&
1058         echo world >is/git/sub/file2 &&
1059         echo ".*o*" >is/git/.gitignore &&
1060         {
1061                 echo file1:hello &&
1062                 echo sub/file2:world
1063         } >is/expect.unignored &&
1064         {
1065                 echo ".gitignore:.*o*" &&
1066                 cat is/expect.unignored
1067         } >is/expect.full &&
1068         : >is/expect.empty &&
1069         echo file2:world >is/expect.sub &&
1070         (
1071                 cd is/git &&
1072                 git init &&
1073                 test_must_fail git grep o >../actual.full &&
1074                 test_cmp ../expect.empty ../actual.full &&
1075
1076                 git grep --untracked o >../actual.unignored &&
1077                 test_cmp ../expect.unignored ../actual.unignored &&
1078
1079                 git grep --no-index o >../actual.full &&
1080                 test_cmp ../expect.full ../actual.full &&
1081
1082                 git grep --no-index --exclude-standard o >../actual.unignored &&
1083                 test_cmp ../expect.unignored ../actual.unignored &&
1084
1085                 cd sub &&
1086                 test_must_fail git grep o >../../actual.sub &&
1087                 test_cmp ../../expect.empty ../../actual.sub &&
1088
1089                 git grep --no-index o >../../actual.sub &&
1090                 test_cmp ../../expect.sub ../../actual.sub &&
1091
1092                 git grep --untracked o >../../actual.sub &&
1093                 test_cmp ../../expect.sub ../../actual.sub
1094         )
1095 '
1096
1097 test_expect_success 'grep --no-index descends into repos, but not .git' '
1098         rm -fr non &&
1099         mkdir -p non/git &&
1100         (
1101                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1102                 export GIT_CEILING_DIRECTORIES &&
1103                 cd non/git &&
1104
1105                 echo magic >file &&
1106                 git init repo &&
1107                 (
1108                         cd repo &&
1109                         echo magic >file &&
1110                         git add file &&
1111                         git commit -m foo &&
1112                         echo magic >.git/file
1113                 ) &&
1114
1115                 cat >expect <<-\EOF &&
1116                 file
1117                 repo/file
1118                 EOF
1119                 git grep -l --no-index magic >actual &&
1120                 test_cmp expect actual
1121         )
1122 '
1123
1124 test_expect_success 'setup double-dash tests' '
1125 cat >double-dash <<EOF &&
1126 --
1127 ->
1128 other
1129 EOF
1130 git add double-dash
1131 '
1132
1133 cat >expected <<EOF
1134 double-dash:->
1135 EOF
1136 test_expect_success 'grep -- pattern' '
1137         git grep -- "->" >actual &&
1138         test_cmp expected actual
1139 '
1140 test_expect_success 'grep -- pattern -- pathspec' '
1141         git grep -- "->" -- double-dash >actual &&
1142         test_cmp expected actual
1143 '
1144 test_expect_success 'grep -e pattern -- path' '
1145         git grep -e "->" -- double-dash >actual &&
1146         test_cmp expected actual
1147 '
1148
1149 cat >expected <<EOF
1150 double-dash:--
1151 EOF
1152 test_expect_success 'grep -e -- -- path' '
1153         git grep -e -- -- double-dash >actual &&
1154         test_cmp expected actual
1155 '
1156
1157 test_expect_success 'dashdash disambiguates rev as rev' '
1158         test_when_finished "rm -f master" &&
1159         echo content >master &&
1160         echo master:hello.c >expect &&
1161         git grep -l o master -- hello.c >actual &&
1162         test_cmp expect actual
1163 '
1164
1165 test_expect_success 'dashdash disambiguates pathspec as pathspec' '
1166         test_when_finished "git rm -f master" &&
1167         echo content >master &&
1168         git add master &&
1169         echo master:content >expect &&
1170         git grep o -- master >actual &&
1171         test_cmp expect actual
1172 '
1173
1174 test_expect_success 'report bogus arg without dashdash' '
1175         test_must_fail git grep o does-not-exist
1176 '
1177
1178 test_expect_success 'report bogus rev with dashdash' '
1179         test_must_fail git grep o hello.c --
1180 '
1181
1182 test_expect_success 'allow non-existent path with dashdash' '
1183         # We need a real match so grep exits with success.
1184         tree=$(git ls-tree HEAD |
1185                sed s/hello.c/not-in-working-tree/ |
1186                git mktree) &&
1187         git grep o "$tree" -- not-in-working-tree
1188 '
1189
1190 test_expect_success 'grep --no-index pattern -- path' '
1191         rm -fr non &&
1192         mkdir -p non/git &&
1193         (
1194                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1195                 export GIT_CEILING_DIRECTORIES &&
1196                 cd non/git &&
1197                 echo hello >hello &&
1198                 echo goodbye >goodbye &&
1199                 echo hello:hello >expect &&
1200                 git grep --no-index o -- hello >actual &&
1201                 test_cmp expect actual
1202         )
1203 '
1204
1205 test_expect_success 'grep --no-index complains of revs' '
1206         test_must_fail git grep --no-index o master -- 2>err &&
1207         test_i18ngrep "cannot be used with revs" err
1208 '
1209
1210 test_expect_success 'grep --no-index prefers paths to revs' '
1211         test_when_finished "rm -f master" &&
1212         echo content >master &&
1213         echo master:content >expect &&
1214         git grep --no-index o master >actual &&
1215         test_cmp expect actual
1216 '
1217
1218 test_expect_success 'grep --no-index does not "diagnose" revs' '
1219         test_must_fail git grep --no-index o :1:hello.c 2>err &&
1220         test_i18ngrep ! -i "did you mean" err
1221 '
1222
1223 cat >expected <<EOF
1224 hello.c:int main(int argc, const char **argv)
1225 hello.c:        printf("Hello world.\n");
1226 EOF
1227
1228 test_expect_success PCRE 'grep --perl-regexp pattern' '
1229         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1230         test_cmp expected actual
1231 '
1232
1233 test_expect_success !PCRE 'grep --perl-regexp pattern errors without PCRE' '
1234         test_must_fail git grep --perl-regexp "foo.*bar"
1235 '
1236
1237 test_expect_success PCRE 'grep -P pattern' '
1238         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1239         test_cmp expected actual
1240 '
1241
1242 test_expect_success LIBPCRE2 "grep -P with (*NO_JIT) doesn't error out" '
1243         git grep -P "(*NO_JIT)\p{Ps}.*?\p{Pe}" hello.c >actual &&
1244         test_cmp expected actual
1245
1246 '
1247
1248 test_expect_success !PCRE 'grep -P pattern errors without PCRE' '
1249         test_must_fail git grep -P "foo.*bar"
1250 '
1251
1252 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
1253         >empty &&
1254         test_must_fail git -c grep.extendedregexp=true \
1255                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1256         test_cmp empty actual
1257 '
1258
1259 test_expect_success PCRE 'grep -P pattern with grep.extendedRegexp=true' '
1260         git -c grep.extendedregexp=true \
1261                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1262         test_cmp expected actual
1263 '
1264
1265 test_expect_success PCRE 'grep -P -v pattern' '
1266         {
1267                 echo "ab:a+b*c"
1268                 echo "ab:a+bc"
1269         } >expected &&
1270         git grep -P -v "abc" ab >actual &&
1271         test_cmp expected actual
1272 '
1273
1274 test_expect_success PCRE 'grep -P -i pattern' '
1275         cat >expected <<-EOF &&
1276         hello.c:        printf("Hello world.\n");
1277         EOF
1278         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
1279         test_cmp expected actual
1280 '
1281
1282 test_expect_success PCRE 'grep -P -w pattern' '
1283         {
1284                 echo "hello_world:Hello world"
1285                 echo "hello_world:HeLLo world"
1286         } >expected &&
1287         git grep -P -w "He((?i)ll)o" hello_world >actual &&
1288         test_cmp expected actual
1289 '
1290
1291 test_expect_success PCRE 'grep -P backreferences work (the PCRE NO_AUTO_CAPTURE flag is not set)' '
1292         git grep -P -h "(?P<one>.)(?P=one)" hello_world >actual &&
1293         test_cmp hello_world actual &&
1294         git grep -P -h "(.)\1" hello_world >actual &&
1295         test_cmp hello_world actual
1296 '
1297
1298 test_expect_success 'grep -G invalidpattern properly dies ' '
1299         test_must_fail git grep -G "a["
1300 '
1301
1302 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
1303         test_must_fail git -c grep.patterntype=basic grep "a["
1304 '
1305
1306 test_expect_success 'grep -E invalidpattern properly dies ' '
1307         test_must_fail git grep -E "a["
1308 '
1309
1310 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
1311         test_must_fail git -c grep.patterntype=extended grep "a["
1312 '
1313
1314 test_expect_success PCRE 'grep -P invalidpattern properly dies ' '
1315         test_must_fail git grep -P "a["
1316 '
1317
1318 test_expect_success PCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
1319         test_must_fail git -c grep.patterntype=perl grep "a["
1320 '
1321
1322 test_expect_success 'grep -G -E -F pattern' '
1323         echo "ab:a+b*c" >expected &&
1324         git grep -G -E -F "a+b*c" ab >actual &&
1325         test_cmp expected actual
1326 '
1327
1328 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
1329         echo "ab:a+b*c" >expected &&
1330         git \
1331                 -c grep.patterntype=basic \
1332                 -c grep.patterntype=extended \
1333                 -c grep.patterntype=fixed \
1334                 grep "a+b*c" ab >actual &&
1335         test_cmp expected actual
1336 '
1337
1338 test_expect_success 'grep -E -F -G pattern' '
1339         echo "ab:a+bc" >expected &&
1340         git grep -E -F -G "a+b*c" ab >actual &&
1341         test_cmp expected actual
1342 '
1343
1344 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
1345         echo "ab:a+bc" >expected &&
1346         git \
1347                 -c grep.patterntype=extended \
1348                 -c grep.patterntype=fixed \
1349                 -c grep.patterntype=basic \
1350                 grep "a+b*c" ab >actual &&
1351         test_cmp expected actual
1352 '
1353
1354 test_expect_success 'grep -F -G -E pattern' '
1355         echo "ab:abc" >expected &&
1356         git grep -F -G -E "a+b*c" ab >actual &&
1357         test_cmp expected actual
1358 '
1359
1360 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
1361         echo "ab:abc" >expected &&
1362         git \
1363                 -c grep.patterntype=fixed \
1364                 -c grep.patterntype=basic \
1365                 -c grep.patterntype=extended \
1366                 grep "a+b*c" ab >actual &&
1367         test_cmp expected actual
1368 '
1369
1370 test_expect_success 'grep -G -F -P -E pattern' '
1371         echo "d0:d" >expected &&
1372         git grep -G -F -P -E "[\d]" d0 >actual &&
1373         test_cmp expected actual
1374 '
1375
1376 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
1377         echo "d0:d" >expected &&
1378         git \
1379                 -c grep.patterntype=fixed \
1380                 -c grep.patterntype=basic \
1381                 -c grep.patterntype=perl \
1382                 -c grep.patterntype=extended \
1383                 grep "[\d]" d0 >actual &&
1384         test_cmp expected actual
1385 '
1386
1387 test_expect_success PCRE 'grep -G -F -E -P pattern' '
1388         echo "d0:0" >expected &&
1389         git grep -G -F -E -P "[\d]" d0 >actual &&
1390         test_cmp expected actual
1391 '
1392
1393 test_expect_success PCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
1394         echo "d0:0" >expected &&
1395         git \
1396                 -c grep.patterntype=fixed \
1397                 -c grep.patterntype=basic \
1398                 -c grep.patterntype=extended \
1399                 -c grep.patterntype=perl \
1400                 grep "[\d]" d0 >actual &&
1401         test_cmp expected actual
1402 '
1403
1404 test_expect_success PCRE 'grep -P pattern with grep.patternType=fixed' '
1405         echo "ab:a+b*c" >expected &&
1406         git \
1407                 -c grep.patterntype=fixed \
1408                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
1409         test_cmp expected actual
1410 '
1411
1412 test_expect_success 'grep -F pattern with grep.patternType=basic' '
1413         echo "ab:a+b*c" >expected &&
1414         git \
1415                 -c grep.patterntype=basic \
1416                 grep -F "*c" ab >actual &&
1417         test_cmp expected actual
1418 '
1419
1420 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
1421         {
1422                 echo "ab:a+b*c"
1423                 echo "ab:a+bc"
1424         } >expected &&
1425         git \
1426                 -c grep.patterntype=fixed \
1427                 grep -G "a+b" ab >actual &&
1428         test_cmp expected actual
1429 '
1430
1431 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
1432         {
1433                 echo "ab:a+b*c"
1434                 echo "ab:a+bc"
1435                 echo "ab:abc"
1436         } >expected &&
1437         git \
1438                 -c grep.patterntype=fixed \
1439                 grep -E "a+" ab >actual &&
1440         test_cmp expected actual
1441 '
1442
1443 cat >expected <<EOF
1444 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1445 hello.c<RED>-<RESET>{
1446 <RED>--<RESET>
1447 hello.c<RED>:<RESET>    /* char ?? */
1448 hello.c<RED>-<RESET>}
1449 <RED>--<RESET>
1450 hello_world<RED>:<RESET>Hello_world
1451 hello_world<RED>-<RESET>HeLLo_world
1452 EOF
1453
1454 test_expect_success 'grep --color, separator' '
1455         test_config color.grep.context          normal &&
1456         test_config color.grep.filename         normal &&
1457         test_config color.grep.function         normal &&
1458         test_config color.grep.linenumber       normal &&
1459         test_config color.grep.match            normal &&
1460         test_config color.grep.selected         normal &&
1461         test_config color.grep.separator        red &&
1462
1463         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1464         test_decode_color >actual &&
1465         test_cmp expected actual
1466 '
1467
1468 cat >expected <<EOF
1469 hello.c:int main(int argc, const char **argv)
1470 hello.c:        /* char ?? */
1471
1472 hello_world:Hello_world
1473 EOF
1474
1475 test_expect_success 'grep --break' '
1476         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1477         test_cmp expected actual
1478 '
1479
1480 cat >expected <<EOF
1481 hello.c:int main(int argc, const char **argv)
1482 hello.c-{
1483 --
1484 hello.c:        /* char ?? */
1485 hello.c-}
1486
1487 hello_world:Hello_world
1488 hello_world-HeLLo_world
1489 EOF
1490
1491 test_expect_success 'grep --break with context' '
1492         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1493         test_cmp expected actual
1494 '
1495
1496 cat >expected <<EOF
1497 hello.c
1498 int main(int argc, const char **argv)
1499         /* char ?? */
1500 hello_world
1501 Hello_world
1502 EOF
1503
1504 test_expect_success 'grep --heading' '
1505         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1506         test_cmp expected actual
1507 '
1508
1509 cat >expected <<EOF
1510 <BOLD;GREEN>hello.c<RESET>
1511 4:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1512 8:      /* <BLACK;BYELLOW>char<RESET> ?? */
1513
1514 <BOLD;GREEN>hello_world<RESET>
1515 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1516 EOF
1517
1518 test_expect_success 'mimic ack-grep --group' '
1519         test_config color.grep.context          normal &&
1520         test_config color.grep.filename         "bold green" &&
1521         test_config color.grep.function         normal &&
1522         test_config color.grep.linenumber       normal &&
1523         test_config color.grep.match            "black yellow" &&
1524         test_config color.grep.selected         normal &&
1525         test_config color.grep.separator        normal &&
1526
1527         git grep --break --heading -n --color \
1528                 -e char -e lo_w hello.c hello_world |
1529         test_decode_color >actual &&
1530         test_cmp expected actual
1531 '
1532
1533 cat >expected <<EOF
1534 space: line with leading space1
1535 space: line with leading space2
1536 space: line with leading space3
1537 EOF
1538
1539 test_expect_success PCRE 'grep -E "^ "' '
1540         git grep -E "^ " space >actual &&
1541         test_cmp expected actual
1542 '
1543
1544 test_expect_success PCRE 'grep -P "^ "' '
1545         git grep -P "^ " space >actual &&
1546         test_cmp expected actual
1547 '
1548
1549 cat >expected <<EOF
1550 space-line without leading space1
1551 space: line <RED>with <RESET>leading space1
1552 space: line <RED>with <RESET>leading <RED>space2<RESET>
1553 space: line <RED>with <RESET>leading space3
1554 space:line without leading <RED>space2<RESET>
1555 EOF
1556
1557 test_expect_success 'grep --color -e A -e B with context' '
1558         test_config color.grep.context          normal &&
1559         test_config color.grep.filename         normal &&
1560         test_config color.grep.function         normal &&
1561         test_config color.grep.linenumber       normal &&
1562         test_config color.grep.matchContext     normal &&
1563         test_config color.grep.matchSelected    red &&
1564         test_config color.grep.selected         normal &&
1565         test_config color.grep.separator        normal &&
1566
1567         git grep --color=always -C2 -e "with " -e space2  space |
1568         test_decode_color >actual &&
1569         test_cmp expected actual
1570 '
1571
1572 cat >expected <<EOF
1573 space-line without leading space1
1574 space- line with leading space1
1575 space: line <RED>with <RESET>leading <RED>space2<RESET>
1576 space- line with leading space3
1577 space-line without leading space2
1578 EOF
1579
1580 test_expect_success 'grep --color -e A --and -e B with context' '
1581         test_config color.grep.context          normal &&
1582         test_config color.grep.filename         normal &&
1583         test_config color.grep.function         normal &&
1584         test_config color.grep.linenumber       normal &&
1585         test_config color.grep.matchContext     normal &&
1586         test_config color.grep.matchSelected    red &&
1587         test_config color.grep.selected         normal &&
1588         test_config color.grep.separator        normal &&
1589
1590         git grep --color=always -C2 -e "with " --and -e space2  space |
1591         test_decode_color >actual &&
1592         test_cmp expected actual
1593 '
1594
1595 cat >expected <<EOF
1596 space-line without leading space1
1597 space: line <RED>with <RESET>leading space1
1598 space- line with leading space2
1599 space: line <RED>with <RESET>leading space3
1600 space-line without leading space2
1601 EOF
1602
1603 test_expect_success 'grep --color -e A --and --not -e B with context' '
1604         test_config color.grep.context          normal &&
1605         test_config color.grep.filename         normal &&
1606         test_config color.grep.function         normal &&
1607         test_config color.grep.linenumber       normal &&
1608         test_config color.grep.matchContext     normal &&
1609         test_config color.grep.matchSelected    red &&
1610         test_config color.grep.selected         normal &&
1611         test_config color.grep.separator        normal &&
1612
1613         git grep --color=always -C2 -e "with " --and --not -e space2  space |
1614         test_decode_color >actual &&
1615         test_cmp expected actual
1616 '
1617
1618 cat >expected <<EOF
1619 hello.c-
1620 hello.c=int main(int argc, const char **argv)
1621 hello.c-{
1622 hello.c:        pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
1623 hello.c-        return 0;
1624 hello.c-        /* char ?? */
1625 hello.c-}
1626 EOF
1627
1628 test_expect_success 'grep --color -e A --and -e B -p with context' '
1629         test_config color.grep.context          normal &&
1630         test_config color.grep.filename         normal &&
1631         test_config color.grep.function         normal &&
1632         test_config color.grep.linenumber       normal &&
1633         test_config color.grep.matchContext     normal &&
1634         test_config color.grep.matchSelected    red &&
1635         test_config color.grep.selected         normal &&
1636         test_config color.grep.separator        normal &&
1637
1638         git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
1639         test_decode_color >actual &&
1640         test_cmp expected actual
1641 '
1642
1643 test_expect_success 'grep can find things only in the work tree' '
1644         : >work-tree-only &&
1645         git add work-tree-only &&
1646         test_when_finished "git rm -f work-tree-only" &&
1647         echo "find in work tree" >work-tree-only &&
1648         git grep --quiet "find in work tree" &&
1649         test_must_fail git grep --quiet --cached "find in work tree" &&
1650         test_must_fail git grep --quiet "find in work tree" HEAD
1651 '
1652
1653 test_expect_success 'grep can find things only in the work tree (i-t-a)' '
1654         echo "intend to add this" >intend-to-add &&
1655         git add -N intend-to-add &&
1656         test_when_finished "git rm -f intend-to-add" &&
1657         git grep --quiet "intend to add this" &&
1658         test_must_fail git grep --quiet --cached "intend to add this" &&
1659         test_must_fail git grep --quiet "intend to add this" HEAD
1660 '
1661
1662 test_expect_success 'grep does not search work tree with assume unchanged' '
1663         echo "intend to add this" >intend-to-add &&
1664         git add -N intend-to-add &&
1665         git update-index --assume-unchanged intend-to-add &&
1666         test_when_finished "git rm -f intend-to-add" &&
1667         test_must_fail git grep --quiet "intend to add this" &&
1668         test_must_fail git grep --quiet --cached "intend to add this" &&
1669         test_must_fail git grep --quiet "intend to add this" HEAD
1670 '
1671
1672 test_expect_success 'grep can find things only in the index' '
1673         echo "only in the index" >cache-this &&
1674         git add cache-this &&
1675         rm cache-this &&
1676         test_when_finished "git rm --cached cache-this" &&
1677         test_must_fail git grep --quiet "only in the index" &&
1678         git grep --quiet --cached "only in the index" &&
1679         test_must_fail git grep --quiet "only in the index" HEAD
1680 '
1681
1682 test_expect_success 'grep does not report i-t-a with -L --cached' '
1683         echo "intend to add this" >intend-to-add &&
1684         git add -N intend-to-add &&
1685         test_when_finished "git rm -f intend-to-add" &&
1686         git ls-files | grep -v "^intend-to-add\$" >expected &&
1687         git grep -L --cached "nonexistent_string" >actual &&
1688         test_cmp expected actual
1689 '
1690
1691 test_expect_success 'grep does not report i-t-a and assume unchanged with -L' '
1692         echo "intend to add this" >intend-to-add-assume-unchanged &&
1693         git add -N intend-to-add-assume-unchanged &&
1694         test_when_finished "git rm -f intend-to-add-assume-unchanged" &&
1695         git update-index --assume-unchanged intend-to-add-assume-unchanged &&
1696         git ls-files | grep -v "^intend-to-add-assume-unchanged\$" >expected &&
1697         git grep -L "nonexistent_string" >actual &&
1698         test_cmp expected actual
1699 '
1700
1701 test_done