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                 test_must_fail git grep -n -w -e "^w" $H >actual &&
 221                 test_must_be_empty actual
 222         '
 223
 224         test_expect_success "grep -w $L (x)" '
 225                 {
 226                         echo ${HC}x:1:x x xx x
 227                 } >expected &&
 228                 git grep -n -w -e "x xx* x" $H >actual &&
 229                 test_cmp expected actual
 230         '
 231
 232         test_expect_success "grep -w $L (y-1)" '
 233                 {
 234                         echo ${HC}y:1:y yy
 235                 } >expected &&
 236                 git grep -n -w -e "^y" $H >actual &&
 237                 test_cmp expected actual
 238         '
 239
 240         test_expect_success "grep -w $L (y-2)" '
 241                 if git grep -n -w -e "^y y" $H >actual
 242                 then
 243                         echo should not have matched
 244                         cat actual
 245                         false
 246                 else
 247                         test_must_be_empty actual
 248                 fi
 249         '
 250
 251         test_expect_success "grep -w $L (z)" '
 252                 if git grep -n -w -e "^z" $H >actual
 253                 then
 254                         echo should not have matched
 255                         cat actual
 256                         false
 257                 else
 258                         test_must_be_empty actual
 259                 fi
 260         '
 261
 262         test_expect_success "grep $L (with --column, --only-matching)" '
 263                 {
 264                         echo ${HC}file:1:5:mmap
 265                         echo ${HC}file:2:5:mmap
 266                         echo ${HC}file:3:5:mmap
 267                         echo ${HC}file:3:13:mmap
 268                         echo ${HC}file:4:5:mmap
 269                         echo ${HC}file:4:13:mmap
 270                         echo ${HC}file:5:5:mmap
 271                         echo ${HC}file:5:13:mmap
 272                 } >expected &&
 273                 git grep --column -n -o -e mmap $H >actual &&
 274                 test_cmp expected actual
 275         '
 276
 277         test_expect_success "grep $L (t-1)" '
 278                 echo "${HC}t/t:1:test" >expected &&
 279                 git grep -n -e test $H >actual &&
 280                 test_cmp expected actual
 281         '
 282
 283         test_expect_success "grep $L (t-2)" '
 284                 echo "${HC}t:1:test" >expected &&
 285                 (
 286                         cd t &&
 287                         git grep -n -e test $H
 288                 ) >actual &&
 289                 test_cmp expected actual
 290         '
 291
 292         test_expect_success "grep $L (t-3)" '
 293                 echo "${HC}t/t:1:test" >expected &&
 294                 (
 295                         cd t &&
 296                         git grep --full-name -n -e test $H
 297                 ) >actual &&
 298                 test_cmp expected actual
 299         '
 300
 301         test_expect_success "grep -c $L (no /dev/null)" '
 302                 ! git grep -c test $H | grep /dev/null
 303         '
 304
 305         test_expect_success "grep --max-depth -1 $L" '
 306                 {
 307                         echo ${HC}t/a/v:1:vvv
 308                         echo ${HC}t/v:1:vvv
 309                         echo ${HC}v:1:vvv
 310                 } >expected &&
 311                 git grep --max-depth -1 -n -e vvv $H >actual &&
 312                 test_cmp expected actual
 313         '
 314
 315         test_expect_success "grep --max-depth 0 $L" '
 316                 {
 317                         echo ${HC}v:1:vvv
 318                 } >expected &&
 319                 git grep --max-depth 0 -n -e vvv $H >actual &&
 320                 test_cmp expected actual
 321         '
 322
 323         test_expect_success "grep --max-depth 0 -- '*' $L" '
 324                 {
 325                         echo ${HC}t/a/v:1:vvv
 326                         echo ${HC}t/v:1:vvv
 327                         echo ${HC}v:1:vvv
 328                 } >expected &&
 329                 git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 330                 test_cmp expected actual
 331         '
 332
 333         test_expect_success "grep --max-depth 1 $L" '
 334                 {
 335                         echo ${HC}t/v:1:vvv
 336                         echo ${HC}v:1:vvv
 337                 } >expected &&
 338                 git grep --max-depth 1 -n -e vvv $H >actual &&
 339                 test_cmp expected actual
 340         '
 341
 342         test_expect_success "grep --max-depth 0 -- t $L" '
 343                 {
 344                         echo ${HC}t/v:1:vvv
 345                 } >expected &&
 346                 git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 347                 test_cmp expected actual
 348         '
 349
 350         test_expect_success "grep --max-depth 0 -- . t $L" '
 351                 {
 352                         echo ${HC}t/v:1:vvv
 353                         echo ${HC}v:1:vvv
 354                 } >expected &&
 355                 git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
 356                 test_cmp expected actual
 357         '
 358
 359         test_expect_success "grep --max-depth 0 -- t . $L" '
 360                 {
 361                         echo ${HC}t/v:1:vvv
 362                         echo ${HC}v:1:vvv
 363                 } >expected &&
 364                 git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
 365                 test_cmp expected actual
 366         '
 367         test_expect_success "grep $L with grep.extendedRegexp=false" '
 368                 echo "${HC}ab:a+bc" >expected &&
 369                 git -c grep.extendedRegexp=false grep "a+b*c" $H ab >actual &&
 370                 test_cmp expected actual
 371         '
 372
 373         test_expect_success "grep $L with grep.extendedRegexp=true" '
 374                 echo "${HC}ab:abc" >expected &&
 375                 git -c grep.extendedRegexp=true grep "a+b*c" $H ab >actual &&
 376                 test_cmp expected actual
 377         '
 378
 379         test_expect_success "grep $L with grep.patterntype=basic" '
 380                 echo "${HC}ab:a+bc" >expected &&
 381                 git -c grep.patterntype=basic grep "a+b*c" $H ab >actual &&
 382                 test_cmp expected actual
 383         '
 384
 385         test_expect_success "grep $L with grep.patterntype=extended" '
 386                 echo "${HC}ab:abc" >expected &&
 387                 git -c grep.patterntype=extended grep "a+b*c" $H ab >actual &&
 388                 test_cmp expected actual
 389         '
 390
 391         test_expect_success "grep $L with grep.patterntype=fixed" '
 392                 echo "${HC}ab:a+b*c" >expected &&
 393                 git -c grep.patterntype=fixed grep "a+b*c" $H ab >actual &&
 394                 test_cmp expected actual
 395         '
 396
 397         test_expect_success PCRE "grep $L with grep.patterntype=perl" '
 398                 echo "${HC}ab:a+b*c" >expected &&
 399                 git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
 400                 test_cmp expected actual
 401         '
 402
 403         test_expect_success !PCRE "grep $L with grep.patterntype=perl errors without PCRE" '
 404                 test_must_fail git -c grep.patterntype=perl grep "foo.*bar"
 405         '
 406
 407         test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
 408                 echo "${HC}ab:abc" >expected &&
 409                 git \
 410                         -c grep.patternType=default \
 411                         -c grep.extendedRegexp=true \
 412                         grep "a+b*c" $H ab >actual &&
 413                 test_cmp expected actual
 414         '
 415
 416         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
 417                 echo "${HC}ab:abc" >expected &&
 418                 git \
 419                         -c grep.extendedRegexp=true \
 420                         -c grep.patternType=default \
 421                         grep "a+b*c" $H ab >actual &&
 422                 test_cmp expected actual
 423         '
 424
 425         test_expect_success "grep $L with grep.patternType=extended and grep.extendedRegexp=false" '
 426                 echo "${HC}ab:abc" >expected &&
 427                 git \
 428                         -c grep.patternType=extended \
 429                         -c grep.extendedRegexp=false \
 430                         grep "a+b*c" $H ab >actual &&
 431                 test_cmp expected actual
 432         '
 433
 434         test_expect_success "grep $L with grep.patternType=basic and grep.extendedRegexp=true" '
 435                 echo "${HC}ab:a+bc" >expected &&
 436                 git \
 437                         -c grep.patternType=basic \
 438                         -c grep.extendedRegexp=true \
 439                         grep "a+b*c" $H ab >actual &&
 440                 test_cmp expected actual
 441         '
 442
 443         test_expect_success "grep $L with grep.extendedRegexp=false and grep.patternType=extended" '
 444                 echo "${HC}ab:abc" >expected &&
 445                 git \
 446                         -c grep.extendedRegexp=false \
 447                         -c grep.patternType=extended \
 448                         grep "a+b*c" $H ab >actual &&
 449                 test_cmp expected actual
 450         '
 451
 452         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=basic" '
 453                 echo "${HC}ab:a+bc" >expected &&
 454                 git \
 455                         -c grep.extendedRegexp=true \
 456                         -c grep.patternType=basic \
 457                         grep "a+b*c" $H ab >actual &&
 458                 test_cmp expected actual
 459         '
 460
 461         test_expect_success "grep --count $L" '
 462                 echo ${HC}ab:3 >expected &&
 463                 git grep --count -e b $H -- ab >actual &&
 464                 test_cmp expected actual
 465         '
 466
 467         test_expect_success "grep --count -h $L" '
 468                 echo 3 >expected &&
 469                 git grep --count -h -e b $H -- ab >actual &&
 470                 test_cmp expected actual
 471         '
 472 done
 473
 474 cat >expected <<EOF
 475 file
 476 EOF
 477 test_expect_success 'grep -l -C' '
 478         git grep -l -C1 foo >actual &&
 479         test_cmp expected actual
 480 '
 481
 482 cat >expected <<EOF
 483 file:5
 484 EOF
 485 test_expect_success 'grep -c -C' '
 486         git grep -c -C1 foo >actual &&
 487         test_cmp expected actual
 488 '
 489
 490 test_expect_success 'grep -L -C' '
 491         git ls-files >expected &&
 492         git grep -L -C1 nonexistent_string >actual &&
 493         test_cmp expected actual
 494 '
 495
 496 test_expect_success 'grep --files-without-match --quiet' '
 497         git grep --files-without-match --quiet nonexistent_string >actual &&
 498         test_must_be_empty actual
 499 '
 500
 501 cat >expected <<EOF
 502 file:foo mmap bar_mmap
 503 EOF
 504
 505 test_expect_success 'grep -e A --and -e B' '
 506         git grep -e "foo mmap" --and -e bar_mmap >actual &&
 507         test_cmp expected actual
 508 '
 509
 510 cat >expected <<EOF
 511 file:foo_mmap bar mmap
 512 file:foo_mmap bar mmap baz
 513 EOF
 514
 515
 516 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 517         git grep \( -e foo_ --or -e baz \) \
 518                 --and -e " mmap" >actual &&
 519         test_cmp expected actual
 520 '
 521
 522 cat >expected <<EOF
 523 file:foo mmap bar
 524 EOF
 525
 526 test_expect_success 'grep -e A --and --not -e B' '
 527         git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 528         test_cmp expected actual
 529 '
 530
 531 test_expect_success 'grep should ignore GREP_OPTIONS' '
 532         GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 533         test_cmp expected actual
 534 '
 535
 536 test_expect_success 'grep -f, non-existent file' '
 537         test_must_fail git grep -f patterns
 538 '
 539
 540 cat >expected <<EOF
 541 file:foo mmap bar
 542 file:foo_mmap bar
 543 file:foo_mmap bar mmap
 544 file:foo mmap bar_mmap
 545 file:foo_mmap bar mmap baz
 546 EOF
 547
 548 cat >pattern <<EOF
 549 mmap
 550 EOF
 551
 552 test_expect_success 'grep -f, one pattern' '
 553         git grep -f pattern >actual &&
 554         test_cmp expected actual
 555 '
 556
 557 cat >expected <<EOF
 558 file:foo mmap bar
 559 file:foo_mmap bar
 560 file:foo_mmap bar mmap
 561 file:foo mmap bar_mmap
 562 file:foo_mmap bar mmap baz
 563 t/a/v:vvv
 564 t/v:vvv
 565 v:vvv
 566 EOF
 567
 568 cat >patterns <<EOF
 569 mmap
 570 vvv
 571 EOF
 572
 573 test_expect_success 'grep -f, multiple patterns' '
 574         git grep -f patterns >actual &&
 575         test_cmp expected actual
 576 '
 577
 578 test_expect_success 'grep, multiple patterns' '
 579         git grep "$(cat patterns)" >actual &&
 580         test_cmp expected actual
 581 '
 582
 583 cat >expected <<EOF
 584 file:foo mmap bar
 585 file:foo_mmap bar
 586 file:foo_mmap bar mmap
 587 file:foo mmap bar_mmap
 588 file:foo_mmap bar mmap baz
 589 t/a/v:vvv
 590 t/v:vvv
 591 v:vvv
 592 EOF
 593
 594 cat >patterns <<EOF
 595
 596 mmap
 597
 598 vvv
 599
 600 EOF
 601
 602 test_expect_success 'grep -f, ignore empty lines' '
 603         git grep -f patterns >actual &&
 604         test_cmp expected actual
 605 '
 606
 607 test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 608         git grep -f - <patterns >actual &&
 609         test_cmp expected actual
 610 '
 611
 612 cat >expected <<EOF
 613 y:y yy
 614 --
 615 z:zzz
 616 EOF
 617
 618 test_expect_success 'grep -q, silently report matches' '
 619         git grep -q mmap >actual &&
 620         test_must_be_empty actual &&
 621         test_must_fail git grep -q qfwfq >actual &&
 622         test_must_be_empty actual
 623 '
 624
 625 test_expect_success 'grep -C1 hunk mark between files' '
 626         git grep -C1 "^[yz]" >actual &&
 627         test_cmp expected actual
 628 '
 629
 630 test_expect_success 'log grep setup' '
 631         echo a >>file &&
 632         test_tick &&
 633         GIT_AUTHOR_NAME="With * Asterisk" \
 634         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 635         git commit -a -m "second" &&
 636
 637         echo a >>file &&
 638         test_tick &&
 639         git commit -a -m "third" &&
 640
 641         echo a >>file &&
 642         test_tick &&
 643         GIT_AUTHOR_NAME="Night Fall" \
 644         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 645         git commit -a -m "fourth"
 646 '
 647
 648 test_expect_success 'log grep (1)' '
 649         git log --author=author --pretty=tformat:%s >actual &&
 650         {
 651                 echo third && echo initial
 652         } >expect &&
 653         test_cmp expect actual
 654 '
 655
 656 test_expect_success 'log grep (2)' '
 657         git log --author=" * " -F --pretty=tformat:%s >actual &&
 658         {
 659                 echo second
 660         } >expect &&
 661         test_cmp expect actual
 662 '
 663
 664 test_expect_success 'log grep (3)' '
 665         git log --author="^A U" --pretty=tformat:%s >actual &&
 666         {
 667                 echo third && echo initial
 668         } >expect &&
 669         test_cmp expect actual
 670 '
 671
 672 test_expect_success 'log grep (4)' '
 673         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 674         {
 675                 echo second
 676         } >expect &&
 677         test_cmp expect actual
 678 '
 679
 680 test_expect_success 'log grep (5)' '
 681         git log --author=Thor -F --pretty=tformat:%s >actual &&
 682         {
 683                 echo third && echo initial
 684         } >expect &&
 685         test_cmp expect actual
 686 '
 687
 688 test_expect_success 'log grep (6)' '
 689         git log --author=-0700  --pretty=tformat:%s >actual &&
 690         test_must_be_empty actual
 691 '
 692
 693 test_expect_success 'log grep (7)' '
 694         git log -g --grep-reflog="commit: third" --pretty=tformat:%s >actual &&
 695         echo third >expect &&
 696         test_cmp expect actual
 697 '
 698
 699 test_expect_success 'log grep (8)' '
 700         git log -g --grep-reflog="commit: third" --grep-reflog="commit: second" --pretty=tformat:%s >actual &&
 701         {
 702                 echo third && echo second
 703         } >expect &&
 704         test_cmp expect actual
 705 '
 706
 707 test_expect_success 'log grep (9)' '
 708         git log -g --grep-reflog="commit: third" --author="Thor" --pretty=tformat:%s >actual &&
 709         echo third >expect &&
 710         test_cmp expect actual
 711 '
 712
 713 test_expect_success 'log grep (9)' '
 714         git log -g --grep-reflog="commit: third" --author="non-existent" --pretty=tformat:%s >actual &&
 715         test_must_be_empty actual
 716 '
 717
 718 test_expect_success 'log --grep-reflog can only be used under -g' '
 719         test_must_fail git log --grep-reflog="commit: third"
 720 '
 721
 722 test_expect_success 'log with multiple --grep uses union' '
 723         git log --grep=i --grep=r --format=%s >actual &&
 724         {
 725                 echo fourth && echo third && echo initial
 726         } >expect &&
 727         test_cmp expect actual
 728 '
 729
 730 test_expect_success 'log --all-match with multiple --grep uses intersection' '
 731         git log --all-match --grep=i --grep=r --format=%s >actual &&
 732         {
 733                 echo third
 734         } >expect &&
 735         test_cmp expect actual
 736 '
 737
 738 test_expect_success 'log with multiple --author uses union' '
 739         git log --author="Thor" --author="Aster" --format=%s >actual &&
 740         {
 741             echo third && echo second && echo initial
 742         } >expect &&
 743         test_cmp expect actual
 744 '
 745
 746 test_expect_success 'log --all-match with multiple --author still uses union' '
 747         git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 748         {
 749             echo third && echo second && echo initial
 750         } >expect &&
 751         test_cmp expect actual
 752 '
 753
 754 test_expect_success 'log --grep --author uses intersection' '
 755         # grep matches only third and fourth
 756         # author matches only initial and third
 757         git log --author="A U Thor" --grep=r --format=%s >actual &&
 758         {
 759                 echo third
 760         } >expect &&
 761         test_cmp expect actual
 762 '
 763
 764 test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 765         # grep matches initial and second but not third
 766         # author matches only initial and third
 767         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 768         {
 769                 echo initial
 770         } >expect &&
 771         test_cmp expect actual
 772 '
 773
 774 test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
 775         # grep matches only initial and third
 776         # author matches all but second
 777         git log --all-match --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 --grep --author --author takes union of authors and intersects with grep' '
 785         # grep matches only initial and third
 786         # author matches all but second
 787         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 788         {
 789             echo third && echo initial
 790         } >expect &&
 791         test_cmp expect actual
 792 '
 793
 794 test_expect_success 'log --all-match --grep --grep --author takes intersection' '
 795         # grep matches only third
 796         # author matches only initial and third
 797         git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
 798         {
 799                 echo third
 800         } >expect &&
 801         test_cmp expect actual
 802 '
 803
 804 test_expect_success 'log --author does not search in timestamp' '
 805         git log --author="$GIT_AUTHOR_DATE" >actual &&
 806         test_must_be_empty actual
 807 '
 808
 809 test_expect_success 'log --committer does not search in timestamp' '
 810         git log --committer="$GIT_COMMITTER_DATE" >actual &&
 811         test_must_be_empty actual
 812 '
 813
 814 test_expect_success 'grep with CE_VALID file' '
 815         git update-index --assume-unchanged t/t &&
 816         rm t/t &&
 817         test "$(git grep test)" = "t/t:test" &&
 818         git update-index --no-assume-unchanged t/t &&
 819         git checkout t/t
 820 '
 821
 822 cat >expected <<EOF
 823 hello.c=#include <stdio.h>
 824 hello.c:        return 0;
 825 EOF
 826
 827 test_expect_success 'grep -p with userdiff' '
 828         git config diff.custom.funcname "^#" &&
 829         echo "hello.c diff=custom" >.gitattributes &&
 830         git grep -p return >actual &&
 831         test_cmp expected actual
 832 '
 833
 834 cat >expected <<EOF
 835 hello.c=int main(int argc, const char **argv)
 836 hello.c:        return 0;
 837 EOF
 838
 839 test_expect_success 'grep -p' '
 840         rm -f .gitattributes &&
 841         git grep -p return >actual &&
 842         test_cmp expected actual
 843 '
 844
 845 cat >expected <<EOF
 846 hello.c-#include <stdio.h>
 847 hello.c-
 848 hello.c=int main(int argc, const char **argv)
 849 hello.c-{
 850 hello.c-        printf("Hello world.\n");
 851 hello.c:        return 0;
 852 EOF
 853
 854 test_expect_success 'grep -p -B5' '
 855         git grep -p -B5 return >actual &&
 856         test_cmp expected actual
 857 '
 858
 859 cat >expected <<EOF
 860 hello.c=int main(int argc, const char **argv)
 861 hello.c-{
 862 hello.c-        printf("Hello world.\n");
 863 hello.c:        return 0;
 864 hello.c-        /* char ?? */
 865 hello.c-}
 866 EOF
 867
 868 test_expect_success 'grep -W' '
 869         git grep -W return >actual &&
 870         test_cmp expected actual
 871 '
 872
 873 cat >expected <<EOF
 874 hello.c-#include <assert.h>
 875 hello.c:#include <stdio.h>
 876 EOF
 877
 878 test_expect_success 'grep -W shows no trailing empty lines' '
 879         git grep -W stdio >actual &&
 880         test_cmp expected actual
 881 '
 882
 883 test_expect_success 'grep -W with userdiff' '
 884         test_when_finished "rm -f .gitattributes" &&
 885         git config diff.custom.xfuncname "^function .*$" &&
 886         echo "hello.ps1 diff=custom" >.gitattributes &&
 887         git grep -W echo >function-context-userdiff-actual
 888 '
 889
 890 test_expect_success ' includes preceding comment' '
 891         grep "# Say hello" function-context-userdiff-actual
 892 '
 893
 894 test_expect_success ' includes function line' '
 895         grep "=function hello" function-context-userdiff-actual
 896 '
 897
 898 test_expect_success ' includes matching line' '
 899         grep ":  echo" function-context-userdiff-actual
 900 '
 901
 902 test_expect_success ' includes last line of the function' '
 903         grep "} # hello" function-context-userdiff-actual
 904 '
 905
 906 for threads in $(test_seq 0 10)
 907 do
 908         test_expect_success "grep --threads=$threads & -c grep.threads=$threads" "
 909                 git grep --threads=$threads . >actual.$threads &&
 910                 if test $threads -ge 1
 911                 then
 912                         test_cmp actual.\$(($threads - 1)) actual.$threads
 913                 fi &&
 914                 git -c grep.threads=$threads grep . >actual.$threads &&
 915                 if test $threads -ge 1
 916                 then
 917                         test_cmp actual.\$(($threads - 1)) actual.$threads
 918                 fi
 919         "
 920 done
 921
 922 test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'grep --threads=N or pack.threads=N warns when no pthreads' '
 923         git grep --threads=2 Hello hello_world 2>err &&
 924         grep ^warning: err >warnings &&
 925         test_line_count = 1 warnings &&
 926         grep -F "no threads support, ignoring --threads" err &&
 927         git -c grep.threads=2 grep Hello hello_world 2>err &&
 928         grep ^warning: err >warnings &&
 929         test_line_count = 1 warnings &&
 930         grep -F "no threads support, ignoring grep.threads" err &&
 931         git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
 932         grep ^warning: err >warnings &&
 933         test_line_count = 2 warnings &&
 934         grep -F "no threads support, ignoring --threads" err &&
 935         grep -F "no threads support, ignoring grep.threads" err &&
 936         git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
 937         test_line_count = 0 err
 938 '
 939
 940 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 941         mkdir -p s &&
 942         (
 943                 cd s && git grep "x x x" ..
 944         )
 945 '
 946
 947 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 948         mkdir -p s &&
 949         (
 950                 cd s &&
 951                 test_expect_code 1 git grep xxyyzz .. >out &&
 952                 test_must_be_empty out
 953         )
 954 '
 955
 956 cat >expected <<EOF
 957 hello.c:int main(int argc, const char **argv)
 958 EOF
 959
 960 test_expect_success 'grep -Fi' '
 961         git grep -Fi "CHAR *" >actual &&
 962         test_cmp expected actual
 963 '
 964
 965 test_expect_success 'outside of git repository' '
 966         rm -fr non &&
 967         mkdir -p non/git/sub &&
 968         echo hello >non/git/file1 &&
 969         echo world >non/git/sub/file2 &&
 970         {
 971                 echo file1:hello &&
 972                 echo sub/file2:world
 973         } >non/expect.full &&
 974         echo file2:world >non/expect.sub &&
 975         (
 976                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 977                 export GIT_CEILING_DIRECTORIES &&
 978                 cd non/git &&
 979                 test_must_fail git grep o &&
 980                 git grep --no-index o >../actual.full &&
 981                 test_cmp ../expect.full ../actual.full &&
 982                 cd sub &&
 983                 test_must_fail git grep o &&
 984                 git grep --no-index o >../../actual.sub &&
 985                 test_cmp ../../expect.sub ../../actual.sub
 986         ) &&
 987
 988         echo ".*o*" >non/git/.gitignore &&
 989         (
 990                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 991                 export GIT_CEILING_DIRECTORIES &&
 992                 cd non/git &&
 993                 test_must_fail git grep o &&
 994                 git grep --no-index --exclude-standard o >../actual.full &&
 995                 test_cmp ../expect.full ../actual.full &&
 996
 997                 {
 998                         echo ".gitignore:.*o*" &&
 999                         cat ../expect.full
1000                 } >../expect.with.ignored &&
1001                 git grep --no-index --no-exclude o >../actual.full &&
1002                 test_cmp ../expect.with.ignored ../actual.full
1003         )
1004 '
1005
1006 test_expect_success 'outside of git repository with fallbackToNoIndex' '
1007         rm -fr non &&
1008         mkdir -p non/git/sub &&
1009         echo hello >non/git/file1 &&
1010         echo world >non/git/sub/file2 &&
1011         cat <<-\EOF >non/expect.full &&
1012         file1:hello
1013         sub/file2:world
1014         EOF
1015         echo file2:world >non/expect.sub &&
1016         (
1017                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1018                 export GIT_CEILING_DIRECTORIES &&
1019                 cd non/git &&
1020                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1021                 git -c grep.fallbackToNoIndex=true grep o >../actual.full &&
1022                 test_cmp ../expect.full ../actual.full &&
1023                 cd sub &&
1024                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1025                 git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
1026                 test_cmp ../../expect.sub ../../actual.sub
1027         ) &&
1028
1029         echo ".*o*" >non/git/.gitignore &&
1030         (
1031                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1032                 export GIT_CEILING_DIRECTORIES &&
1033                 cd non/git &&
1034                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1035                 git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
1036                 test_cmp ../expect.full ../actual.full &&
1037
1038                 {
1039                         echo ".gitignore:.*o*" &&
1040                         cat ../expect.full
1041                 } >../expect.with.ignored &&
1042                 git -c grep.fallbackToNoIndex grep --no-exclude o >../actual.full &&
1043                 test_cmp ../expect.with.ignored ../actual.full
1044         )
1045 '
1046
1047 test_expect_success 'inside git repository but with --no-index' '
1048         rm -fr is &&
1049         mkdir -p is/git/sub &&
1050         echo hello >is/git/file1 &&
1051         echo world >is/git/sub/file2 &&
1052         echo ".*o*" >is/git/.gitignore &&
1053         {
1054                 echo file1:hello &&
1055                 echo sub/file2:world
1056         } >is/expect.unignored &&
1057         {
1058                 echo ".gitignore:.*o*" &&
1059                 cat is/expect.unignored
1060         } >is/expect.full &&
1061         echo file2:world >is/expect.sub &&
1062         (
1063                 cd is/git &&
1064                 git init &&
1065                 test_must_fail git grep o >../actual.full &&
1066                 test_must_be_empty ../actual.full &&
1067
1068                 git grep --untracked o >../actual.unignored &&
1069                 test_cmp ../expect.unignored ../actual.unignored &&
1070
1071                 git grep --no-index o >../actual.full &&
1072                 test_cmp ../expect.full ../actual.full &&
1073
1074                 git grep --no-index --exclude-standard o >../actual.unignored &&
1075                 test_cmp ../expect.unignored ../actual.unignored &&
1076
1077                 cd sub &&
1078                 test_must_fail git grep o >../../actual.sub &&
1079                 test_must_be_empty ../../actual.sub &&
1080
1081                 git grep --no-index o >../../actual.sub &&
1082                 test_cmp ../../expect.sub ../../actual.sub &&
1083
1084                 git grep --untracked o >../../actual.sub &&
1085                 test_cmp ../../expect.sub ../../actual.sub
1086         )
1087 '
1088
1089 test_expect_success 'grep --no-index descends into repos, but not .git' '
1090         rm -fr non &&
1091         mkdir -p non/git &&
1092         (
1093                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1094                 export GIT_CEILING_DIRECTORIES &&
1095                 cd non/git &&
1096
1097                 echo magic >file &&
1098                 git init repo &&
1099                 (
1100                         cd repo &&
1101                         echo magic >file &&
1102                         git add file &&
1103                         git commit -m foo &&
1104                         echo magic >.git/file
1105                 ) &&
1106
1107                 cat >expect <<-\EOF &&
1108                 file
1109                 repo/file
1110                 EOF
1111                 git grep -l --no-index magic >actual &&
1112                 test_cmp expect actual
1113         )
1114 '
1115
1116 test_expect_success 'setup double-dash tests' '
1117 cat >double-dash <<EOF &&
1118 --
1119 ->
1120 other
1121 EOF
1122 git add double-dash
1123 '
1124
1125 cat >expected <<EOF
1126 double-dash:->
1127 EOF
1128 test_expect_success 'grep -- pattern' '
1129         git grep -- "->" >actual &&
1130         test_cmp expected actual
1131 '
1132 test_expect_success 'grep -- pattern -- pathspec' '
1133         git grep -- "->" -- double-dash >actual &&
1134         test_cmp expected actual
1135 '
1136 test_expect_success 'grep -e pattern -- path' '
1137         git grep -e "->" -- double-dash >actual &&
1138         test_cmp expected actual
1139 '
1140
1141 cat >expected <<EOF
1142 double-dash:--
1143 EOF
1144 test_expect_success 'grep -e -- -- path' '
1145         git grep -e -- -- double-dash >actual &&
1146         test_cmp expected actual
1147 '
1148
1149 test_expect_success 'dashdash disambiguates rev as rev' '
1150         test_when_finished "rm -f master" &&
1151         echo content >master &&
1152         echo master:hello.c >expect &&
1153         git grep -l o master -- hello.c >actual &&
1154         test_cmp expect actual
1155 '
1156
1157 test_expect_success 'dashdash disambiguates pathspec as pathspec' '
1158         test_when_finished "git rm -f master" &&
1159         echo content >master &&
1160         git add master &&
1161         echo master:content >expect &&
1162         git grep o -- master >actual &&
1163         test_cmp expect actual
1164 '
1165
1166 test_expect_success 'report bogus arg without dashdash' '
1167         test_must_fail git grep o does-not-exist
1168 '
1169
1170 test_expect_success 'report bogus rev with dashdash' '
1171         test_must_fail git grep o hello.c --
1172 '
1173
1174 test_expect_success 'allow non-existent path with dashdash' '
1175         # We need a real match so grep exits with success.
1176         tree=$(git ls-tree HEAD |
1177                sed s/hello.c/not-in-working-tree/ |
1178                git mktree) &&
1179         git grep o "$tree" -- not-in-working-tree
1180 '
1181
1182 test_expect_success 'grep --no-index pattern -- path' '
1183         rm -fr non &&
1184         mkdir -p non/git &&
1185         (
1186                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1187                 export GIT_CEILING_DIRECTORIES &&
1188                 cd non/git &&
1189                 echo hello >hello &&
1190                 echo goodbye >goodbye &&
1191                 echo hello:hello >expect &&
1192                 git grep --no-index o -- hello >actual &&
1193                 test_cmp expect actual
1194         )
1195 '
1196
1197 test_expect_success 'grep --no-index complains of revs' '
1198         test_must_fail git grep --no-index o master -- 2>err &&
1199         test_i18ngrep "cannot be used with revs" err
1200 '
1201
1202 test_expect_success 'grep --no-index prefers paths to revs' '
1203         test_when_finished "rm -f master" &&
1204         echo content >master &&
1205         echo master:content >expect &&
1206         git grep --no-index o master >actual &&
1207         test_cmp expect actual
1208 '
1209
1210 test_expect_success 'grep --no-index does not "diagnose" revs' '
1211         test_must_fail git grep --no-index o :1:hello.c 2>err &&
1212         test_i18ngrep ! -i "did you mean" err
1213 '
1214
1215 cat >expected <<EOF
1216 hello.c:int main(int argc, const char **argv)
1217 hello.c:        printf("Hello world.\n");
1218 EOF
1219
1220 test_expect_success PCRE 'grep --perl-regexp pattern' '
1221         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1222         test_cmp expected actual
1223 '
1224
1225 test_expect_success !PCRE 'grep --perl-regexp pattern errors without PCRE' '
1226         test_must_fail git grep --perl-regexp "foo.*bar"
1227 '
1228
1229 test_expect_success PCRE 'grep -P pattern' '
1230         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1231         test_cmp expected actual
1232 '
1233
1234 test_expect_success LIBPCRE2 "grep -P with (*NO_JIT) doesn't error out" '
1235         git grep -P "(*NO_JIT)\p{Ps}.*?\p{Pe}" hello.c >actual &&
1236         test_cmp expected actual
1237
1238 '
1239
1240 test_expect_success !PCRE 'grep -P pattern errors without PCRE' '
1241         test_must_fail git grep -P "foo.*bar"
1242 '
1243
1244 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
1245         test_must_fail git -c grep.extendedregexp=true \
1246                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1247         test_must_be_empty actual
1248 '
1249
1250 test_expect_success PCRE 'grep -P pattern with grep.extendedRegexp=true' '
1251         git -c grep.extendedregexp=true \
1252                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1253         test_cmp expected actual
1254 '
1255
1256 test_expect_success PCRE 'grep -P -v pattern' '
1257         {
1258                 echo "ab:a+b*c"
1259                 echo "ab:a+bc"
1260         } >expected &&
1261         git grep -P -v "abc" ab >actual &&
1262         test_cmp expected actual
1263 '
1264
1265 test_expect_success PCRE 'grep -P -i pattern' '
1266         cat >expected <<-EOF &&
1267         hello.c:        printf("Hello world.\n");
1268         EOF
1269         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
1270         test_cmp expected actual
1271 '
1272
1273 test_expect_success PCRE 'grep -P -w pattern' '
1274         {
1275                 echo "hello_world:Hello world"
1276                 echo "hello_world:HeLLo world"
1277         } >expected &&
1278         git grep -P -w "He((?i)ll)o" hello_world >actual &&
1279         test_cmp expected actual
1280 '
1281
1282 test_expect_success PCRE 'grep -P backreferences work (the PCRE NO_AUTO_CAPTURE flag is not set)' '
1283         git grep -P -h "(?P<one>.)(?P=one)" hello_world >actual &&
1284         test_cmp hello_world actual &&
1285         git grep -P -h "(.)\1" hello_world >actual &&
1286         test_cmp hello_world actual
1287 '
1288
1289 test_expect_success 'grep -G invalidpattern properly dies ' '
1290         test_must_fail git grep -G "a["
1291 '
1292
1293 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
1294         test_must_fail git -c grep.patterntype=basic grep "a["
1295 '
1296
1297 test_expect_success 'grep -E invalidpattern properly dies ' '
1298         test_must_fail git grep -E "a["
1299 '
1300
1301 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
1302         test_must_fail git -c grep.patterntype=extended grep "a["
1303 '
1304
1305 test_expect_success PCRE 'grep -P invalidpattern properly dies ' '
1306         test_must_fail git grep -P "a["
1307 '
1308
1309 test_expect_success PCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
1310         test_must_fail git -c grep.patterntype=perl grep "a["
1311 '
1312
1313 test_expect_success 'grep -G -E -F pattern' '
1314         echo "ab:a+b*c" >expected &&
1315         git grep -G -E -F "a+b*c" ab >actual &&
1316         test_cmp expected actual
1317 '
1318
1319 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
1320         echo "ab:a+b*c" >expected &&
1321         git \
1322                 -c grep.patterntype=basic \
1323                 -c grep.patterntype=extended \
1324                 -c grep.patterntype=fixed \
1325                 grep "a+b*c" ab >actual &&
1326         test_cmp expected actual
1327 '
1328
1329 test_expect_success 'grep -E -F -G pattern' '
1330         echo "ab:a+bc" >expected &&
1331         git grep -E -F -G "a+b*c" ab >actual &&
1332         test_cmp expected actual
1333 '
1334
1335 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
1336         echo "ab:a+bc" >expected &&
1337         git \
1338                 -c grep.patterntype=extended \
1339                 -c grep.patterntype=fixed \
1340                 -c grep.patterntype=basic \
1341                 grep "a+b*c" ab >actual &&
1342         test_cmp expected actual
1343 '
1344
1345 test_expect_success 'grep -F -G -E pattern' '
1346         echo "ab:abc" >expected &&
1347         git grep -F -G -E "a+b*c" ab >actual &&
1348         test_cmp expected actual
1349 '
1350
1351 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
1352         echo "ab:abc" >expected &&
1353         git \
1354                 -c grep.patterntype=fixed \
1355                 -c grep.patterntype=basic \
1356                 -c grep.patterntype=extended \
1357                 grep "a+b*c" ab >actual &&
1358         test_cmp expected actual
1359 '
1360
1361 test_expect_success 'grep -G -F -P -E pattern' '
1362         echo "d0:d" >expected &&
1363         git grep -G -F -P -E "[\d]" d0 >actual &&
1364         test_cmp expected actual
1365 '
1366
1367 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
1368         echo "d0:d" >expected &&
1369         git \
1370                 -c grep.patterntype=fixed \
1371                 -c grep.patterntype=basic \
1372                 -c grep.patterntype=perl \
1373                 -c grep.patterntype=extended \
1374                 grep "[\d]" d0 >actual &&
1375         test_cmp expected actual
1376 '
1377
1378 test_expect_success PCRE 'grep -G -F -E -P pattern' '
1379         echo "d0:0" >expected &&
1380         git grep -G -F -E -P "[\d]" d0 >actual &&
1381         test_cmp expected actual
1382 '
1383
1384 test_expect_success PCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
1385         echo "d0:0" >expected &&
1386         git \
1387                 -c grep.patterntype=fixed \
1388                 -c grep.patterntype=basic \
1389                 -c grep.patterntype=extended \
1390                 -c grep.patterntype=perl \
1391                 grep "[\d]" d0 >actual &&
1392         test_cmp expected actual
1393 '
1394
1395 test_expect_success PCRE 'grep -P pattern with grep.patternType=fixed' '
1396         echo "ab:a+b*c" >expected &&
1397         git \
1398                 -c grep.patterntype=fixed \
1399                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
1400         test_cmp expected actual
1401 '
1402
1403 test_expect_success 'grep -F pattern with grep.patternType=basic' '
1404         echo "ab:a+b*c" >expected &&
1405         git \
1406                 -c grep.patterntype=basic \
1407                 grep -F "*c" ab >actual &&
1408         test_cmp expected actual
1409 '
1410
1411 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
1412         {
1413                 echo "ab:a+b*c"
1414                 echo "ab:a+bc"
1415         } >expected &&
1416         git \
1417                 -c grep.patterntype=fixed \
1418                 grep -G "a+b" ab >actual &&
1419         test_cmp expected actual
1420 '
1421
1422 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
1423         {
1424                 echo "ab:a+b*c"
1425                 echo "ab:a+bc"
1426                 echo "ab:abc"
1427         } >expected &&
1428         git \
1429                 -c grep.patterntype=fixed \
1430                 grep -E "a+" ab >actual &&
1431         test_cmp expected actual
1432 '
1433
1434 cat >expected <<EOF
1435 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1436 hello.c<RED>-<RESET>{
1437 <RED>--<RESET>
1438 hello.c<RED>:<RESET>    /* char ?? */
1439 hello.c<RED>-<RESET>}
1440 <RED>--<RESET>
1441 hello_world<RED>:<RESET>Hello_world
1442 hello_world<RED>-<RESET>HeLLo_world
1443 EOF
1444
1445 test_expect_success 'grep --color, separator' '
1446         test_config color.grep.context          normal &&
1447         test_config color.grep.filename         normal &&
1448         test_config color.grep.function         normal &&
1449         test_config color.grep.linenumber       normal &&
1450         test_config color.grep.match            normal &&
1451         test_config color.grep.selected         normal &&
1452         test_config color.grep.separator        red &&
1453
1454         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1455         test_decode_color >actual &&
1456         test_cmp expected actual
1457 '
1458
1459 cat >expected <<EOF
1460 hello.c:int main(int argc, const char **argv)
1461 hello.c:        /* char ?? */
1462
1463 hello_world:Hello_world
1464 EOF
1465
1466 test_expect_success 'grep --break' '
1467         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1468         test_cmp expected actual
1469 '
1470
1471 cat >expected <<EOF
1472 hello.c:int main(int argc, const char **argv)
1473 hello.c-{
1474 --
1475 hello.c:        /* char ?? */
1476 hello.c-}
1477
1478 hello_world:Hello_world
1479 hello_world-HeLLo_world
1480 EOF
1481
1482 test_expect_success 'grep --break with context' '
1483         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1484         test_cmp expected actual
1485 '
1486
1487 cat >expected <<EOF
1488 hello.c
1489 int main(int argc, const char **argv)
1490         /* char ?? */
1491 hello_world
1492 Hello_world
1493 EOF
1494
1495 test_expect_success 'grep --heading' '
1496         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1497         test_cmp expected actual
1498 '
1499
1500 cat >expected <<EOF
1501 <BOLD;GREEN>hello.c<RESET>
1502 4:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1503 8:      /* <BLACK;BYELLOW>char<RESET> ?? */
1504
1505 <BOLD;GREEN>hello_world<RESET>
1506 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1507 EOF
1508
1509 test_expect_success 'mimic ack-grep --group' '
1510         test_config color.grep.context          normal &&
1511         test_config color.grep.filename         "bold green" &&
1512         test_config color.grep.function         normal &&
1513         test_config color.grep.linenumber       normal &&
1514         test_config color.grep.match            "black yellow" &&
1515         test_config color.grep.selected         normal &&
1516         test_config color.grep.separator        normal &&
1517
1518         git grep --break --heading -n --color \
1519                 -e char -e lo_w hello.c hello_world |
1520         test_decode_color >actual &&
1521         test_cmp expected actual
1522 '
1523
1524 cat >expected <<EOF
1525 space: line with leading space1
1526 space: line with leading space2
1527 space: line with leading space3
1528 EOF
1529
1530 test_expect_success PCRE 'grep -E "^ "' '
1531         git grep -E "^ " space >actual &&
1532         test_cmp expected actual
1533 '
1534
1535 test_expect_success PCRE 'grep -P "^ "' '
1536         git grep -P "^ " space >actual &&
1537         test_cmp expected actual
1538 '
1539
1540 cat >expected <<EOF
1541 space-line without leading space1
1542 space: line <RED>with <RESET>leading space1
1543 space: line <RED>with <RESET>leading <RED>space2<RESET>
1544 space: line <RED>with <RESET>leading space3
1545 space:line without leading <RED>space2<RESET>
1546 EOF
1547
1548 test_expect_success 'grep --color -e A -e B with context' '
1549         test_config color.grep.context          normal &&
1550         test_config color.grep.filename         normal &&
1551         test_config color.grep.function         normal &&
1552         test_config color.grep.linenumber       normal &&
1553         test_config color.grep.matchContext     normal &&
1554         test_config color.grep.matchSelected    red &&
1555         test_config color.grep.selected         normal &&
1556         test_config color.grep.separator        normal &&
1557
1558         git grep --color=always -C2 -e "with " -e space2  space |
1559         test_decode_color >actual &&
1560         test_cmp expected actual
1561 '
1562
1563 cat >expected <<EOF
1564 space-line without leading space1
1565 space- line with leading space1
1566 space: line <RED>with <RESET>leading <RED>space2<RESET>
1567 space- line with leading space3
1568 space-line without leading space2
1569 EOF
1570
1571 test_expect_success 'grep --color -e A --and -e B with context' '
1572         test_config color.grep.context          normal &&
1573         test_config color.grep.filename         normal &&
1574         test_config color.grep.function         normal &&
1575         test_config color.grep.linenumber       normal &&
1576         test_config color.grep.matchContext     normal &&
1577         test_config color.grep.matchSelected    red &&
1578         test_config color.grep.selected         normal &&
1579         test_config color.grep.separator        normal &&
1580
1581         git grep --color=always -C2 -e "with " --and -e space2  space |
1582         test_decode_color >actual &&
1583         test_cmp expected actual
1584 '
1585
1586 cat >expected <<EOF
1587 space-line without leading space1
1588 space: line <RED>with <RESET>leading space1
1589 space- line with leading space2
1590 space: line <RED>with <RESET>leading space3
1591 space-line without leading space2
1592 EOF
1593
1594 test_expect_success 'grep --color -e A --and --not -e B with context' '
1595         test_config color.grep.context          normal &&
1596         test_config color.grep.filename         normal &&
1597         test_config color.grep.function         normal &&
1598         test_config color.grep.linenumber       normal &&
1599         test_config color.grep.matchContext     normal &&
1600         test_config color.grep.matchSelected    red &&
1601         test_config color.grep.selected         normal &&
1602         test_config color.grep.separator        normal &&
1603
1604         git grep --color=always -C2 -e "with " --and --not -e space2  space |
1605         test_decode_color >actual &&
1606         test_cmp expected actual
1607 '
1608
1609 cat >expected <<EOF
1610 hello.c-
1611 hello.c=int main(int argc, const char **argv)
1612 hello.c-{
1613 hello.c:        pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
1614 hello.c-        return 0;
1615 hello.c-        /* char ?? */
1616 hello.c-}
1617 EOF
1618
1619 test_expect_success 'grep --color -e A --and -e B -p with context' '
1620         test_config color.grep.context          normal &&
1621         test_config color.grep.filename         normal &&
1622         test_config color.grep.function         normal &&
1623         test_config color.grep.linenumber       normal &&
1624         test_config color.grep.matchContext     normal &&
1625         test_config color.grep.matchSelected    red &&
1626         test_config color.grep.selected         normal &&
1627         test_config color.grep.separator        normal &&
1628
1629         git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
1630         test_decode_color >actual &&
1631         test_cmp expected actual
1632 '
1633
1634 test_expect_success 'grep can find things only in the work tree' '
1635         : >work-tree-only &&
1636         git add work-tree-only &&
1637         test_when_finished "git rm -f work-tree-only" &&
1638         echo "find in work tree" >work-tree-only &&
1639         git grep --quiet "find in work tree" &&
1640         test_must_fail git grep --quiet --cached "find in work tree" &&
1641         test_must_fail git grep --quiet "find in work tree" HEAD
1642 '
1643
1644 test_expect_success 'grep can find things only in the work tree (i-t-a)' '
1645         echo "intend to add this" >intend-to-add &&
1646         git add -N intend-to-add &&
1647         test_when_finished "git rm -f intend-to-add" &&
1648         git grep --quiet "intend to add this" &&
1649         test_must_fail git grep --quiet --cached "intend to add this" &&
1650         test_must_fail git grep --quiet "intend to add this" HEAD
1651 '
1652
1653 test_expect_success 'grep does not search work tree with assume unchanged' '
1654         echo "intend to add this" >intend-to-add &&
1655         git add -N intend-to-add &&
1656         git update-index --assume-unchanged intend-to-add &&
1657         test_when_finished "git rm -f intend-to-add" &&
1658         test_must_fail git grep --quiet "intend to add this" &&
1659         test_must_fail git grep --quiet --cached "intend to add this" &&
1660         test_must_fail git grep --quiet "intend to add this" HEAD
1661 '
1662
1663 test_expect_success 'grep can find things only in the index' '
1664         echo "only in the index" >cache-this &&
1665         git add cache-this &&
1666         rm cache-this &&
1667         test_when_finished "git rm --cached cache-this" &&
1668         test_must_fail git grep --quiet "only in the index" &&
1669         git grep --quiet --cached "only in the index" &&
1670         test_must_fail git grep --quiet "only in the index" HEAD
1671 '
1672
1673 test_expect_success 'grep does not report i-t-a with -L --cached' '
1674         echo "intend to add this" >intend-to-add &&
1675         git add -N intend-to-add &&
1676         test_when_finished "git rm -f intend-to-add" &&
1677         git ls-files | grep -v "^intend-to-add\$" >expected &&
1678         git grep -L --cached "nonexistent_string" >actual &&
1679         test_cmp expected actual
1680 '
1681
1682 test_expect_success 'grep does not report i-t-a and assume unchanged with -L' '
1683         echo "intend to add this" >intend-to-add-assume-unchanged &&
1684         git add -N intend-to-add-assume-unchanged &&
1685         test_when_finished "git rm -f intend-to-add-assume-unchanged" &&
1686         git update-index --assume-unchanged intend-to-add-assume-unchanged &&
1687         git ls-files | grep -v "^intend-to-add-assume-unchanged\$" >expected &&
1688         git grep -L "nonexistent_string" >actual &&
1689         test_cmp expected actual
1690 '
1691
1692 test_done