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-match)" '
 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-match -w -e baz $H -- file >actual &&
 130                 test_cmp expected actual
 131         '
 132
 133         test_expect_success "grep $L (with --column, --invert-match, extended OR)" '
 134                 {
 135                         echo ${HC}hello_world:6:HeLLo_world
 136                 } >expected &&
 137                 git grep --column --invert-match -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-match, 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-match --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                 git grep --recursive -n -e vvv $H >actual &&
 314                 test_cmp expected actual
 315         '
 316
 317         test_expect_success "grep --max-depth 0 $L" '
 318                 {
 319                         echo ${HC}v:1:vvv
 320                 } >expected &&
 321                 git grep --max-depth 0 -n -e vvv $H >actual &&
 322                 test_cmp expected actual &&
 323                 git grep --no-recursive -n -e vvv $H >actual &&
 324                 test_cmp expected actual
 325         '
 326
 327         test_expect_success "grep --max-depth 0 -- '*' $L" '
 328                 {
 329                         echo ${HC}t/a/v:1:vvv
 330                         echo ${HC}t/v:1:vvv
 331                         echo ${HC}v:1:vvv
 332                 } >expected &&
 333                 git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 334                 test_cmp expected actual &&
 335                 git grep --no-recursive -n -e vvv $H -- "*" >actual &&
 336                 test_cmp expected actual
 337         '
 338
 339         test_expect_success "grep --max-depth 1 $L" '
 340                 {
 341                         echo ${HC}t/v:1:vvv
 342                         echo ${HC}v:1:vvv
 343                 } >expected &&
 344                 git grep --max-depth 1 -n -e vvv $H >actual &&
 345                 test_cmp expected actual
 346         '
 347
 348         test_expect_success "grep --max-depth 0 -- t $L" '
 349                 {
 350                         echo ${HC}t/v:1:vvv
 351                 } >expected &&
 352                 git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 353                 test_cmp expected actual &&
 354                 git grep --no-recursive -n -e vvv $H -- t >actual &&
 355                 test_cmp expected actual
 356         '
 357
 358         test_expect_success "grep --max-depth 0 -- . t $L" '
 359                 {
 360                         echo ${HC}t/v:1:vvv
 361                         echo ${HC}v:1:vvv
 362                 } >expected &&
 363                 git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
 364                 test_cmp expected actual &&
 365                 git grep --no-recursive -n -e vvv $H -- . t >actual &&
 366                 test_cmp expected actual
 367         '
 368
 369         test_expect_success "grep --max-depth 0 -- t . $L" '
 370                 {
 371                         echo ${HC}t/v:1:vvv
 372                         echo ${HC}v:1:vvv
 373                 } >expected &&
 374                 git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
 375                 test_cmp expected actual &&
 376                 git grep --no-recursive -n -e vvv $H -- t . >actual &&
 377                 test_cmp expected actual
 378         '
 379         test_expect_success "grep $L with grep.extendedRegexp=false" '
 380                 echo "${HC}ab:a+bc" >expected &&
 381                 git -c grep.extendedRegexp=false grep "a+b*c" $H ab >actual &&
 382                 test_cmp expected actual
 383         '
 384
 385         test_expect_success "grep $L with grep.extendedRegexp=true" '
 386                 echo "${HC}ab:abc" >expected &&
 387                 git -c grep.extendedRegexp=true grep "a+b*c" $H ab >actual &&
 388                 test_cmp expected actual
 389         '
 390
 391         test_expect_success "grep $L with grep.patterntype=basic" '
 392                 echo "${HC}ab:a+bc" >expected &&
 393                 git -c grep.patterntype=basic grep "a+b*c" $H ab >actual &&
 394                 test_cmp expected actual
 395         '
 396
 397         test_expect_success "grep $L with grep.patterntype=extended" '
 398                 echo "${HC}ab:abc" >expected &&
 399                 git -c grep.patterntype=extended grep "a+b*c" $H ab >actual &&
 400                 test_cmp expected actual
 401         '
 402
 403         test_expect_success "grep $L with grep.patterntype=fixed" '
 404                 echo "${HC}ab:a+b*c" >expected &&
 405                 git -c grep.patterntype=fixed grep "a+b*c" $H ab >actual &&
 406                 test_cmp expected actual
 407         '
 408
 409         test_expect_success PCRE "grep $L with grep.patterntype=perl" '
 410                 echo "${HC}ab:a+b*c" >expected &&
 411                 git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
 412                 test_cmp expected actual
 413         '
 414
 415         test_expect_success !FAIL_PREREQS,!PCRE "grep $L with grep.patterntype=perl errors without PCRE" '
 416                 test_must_fail git -c grep.patterntype=perl grep "foo.*bar"
 417         '
 418
 419         test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
 420                 echo "${HC}ab:abc" >expected &&
 421                 git \
 422                         -c grep.patternType=default \
 423                         -c grep.extendedRegexp=true \
 424                         grep "a+b*c" $H ab >actual &&
 425                 test_cmp expected actual
 426         '
 427
 428         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
 429                 echo "${HC}ab:abc" >expected &&
 430                 git \
 431                         -c grep.extendedRegexp=true \
 432                         -c grep.patternType=default \
 433                         grep "a+b*c" $H ab >actual &&
 434                 test_cmp expected actual
 435         '
 436
 437         test_expect_success "grep $L with grep.patternType=extended and grep.extendedRegexp=false" '
 438                 echo "${HC}ab:abc" >expected &&
 439                 git \
 440                         -c grep.patternType=extended \
 441                         -c grep.extendedRegexp=false \
 442                         grep "a+b*c" $H ab >actual &&
 443                 test_cmp expected actual
 444         '
 445
 446         test_expect_success "grep $L with grep.patternType=basic and grep.extendedRegexp=true" '
 447                 echo "${HC}ab:a+bc" >expected &&
 448                 git \
 449                         -c grep.patternType=basic \
 450                         -c grep.extendedRegexp=true \
 451                         grep "a+b*c" $H ab >actual &&
 452                 test_cmp expected actual
 453         '
 454
 455         test_expect_success "grep $L with grep.extendedRegexp=false and grep.patternType=extended" '
 456                 echo "${HC}ab:abc" >expected &&
 457                 git \
 458                         -c grep.extendedRegexp=false \
 459                         -c grep.patternType=extended \
 460                         grep "a+b*c" $H ab >actual &&
 461                 test_cmp expected actual
 462         '
 463
 464         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=basic" '
 465                 echo "${HC}ab:a+bc" >expected &&
 466                 git \
 467                         -c grep.extendedRegexp=true \
 468                         -c grep.patternType=basic \
 469                         grep "a+b*c" $H ab >actual &&
 470                 test_cmp expected actual
 471         '
 472
 473         test_expect_success "grep --count $L" '
 474                 echo ${HC}ab:3 >expected &&
 475                 git grep --count -e b $H -- ab >actual &&
 476                 test_cmp expected actual
 477         '
 478
 479         test_expect_success "grep --count -h $L" '
 480                 echo 3 >expected &&
 481                 git grep --count -h -e b $H -- ab >actual &&
 482                 test_cmp expected actual
 483         '
 484 done
 485
 486 cat >expected <<EOF
 487 file
 488 EOF
 489 test_expect_success 'grep -l -C' '
 490         git grep -l -C1 foo >actual &&
 491         test_cmp expected actual
 492 '
 493
 494 cat >expected <<EOF
 495 file:5
 496 EOF
 497 test_expect_success 'grep -c -C' '
 498         git grep -c -C1 foo >actual &&
 499         test_cmp expected actual
 500 '
 501
 502 test_expect_success 'grep -L -C' '
 503         git ls-files >expected &&
 504         git grep -L -C1 nonexistent_string >actual &&
 505         test_cmp expected actual
 506 '
 507
 508 test_expect_success 'grep --files-without-match --quiet' '
 509         git grep --files-without-match --quiet nonexistent_string >actual &&
 510         test_must_be_empty actual
 511 '
 512
 513 cat >expected <<EOF
 514 file:foo mmap bar_mmap
 515 EOF
 516
 517 test_expect_success 'grep -e A --and -e B' '
 518         git grep -e "foo mmap" --and -e bar_mmap >actual &&
 519         test_cmp expected actual
 520 '
 521
 522 cat >expected <<EOF
 523 file:foo_mmap bar mmap
 524 file:foo_mmap bar mmap baz
 525 EOF
 526
 527
 528 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 529         git grep \( -e foo_ --or -e baz \) \
 530                 --and -e " mmap" >actual &&
 531         test_cmp expected actual
 532 '
 533
 534 cat >expected <<EOF
 535 file:foo mmap bar
 536 EOF
 537
 538 test_expect_success 'grep -e A --and --not -e B' '
 539         git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 540         test_cmp expected actual
 541 '
 542
 543 test_expect_success 'grep should ignore GREP_OPTIONS' '
 544         GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 545         test_cmp expected actual
 546 '
 547
 548 test_expect_success 'grep -f, non-existent file' '
 549         test_must_fail git grep -f patterns
 550 '
 551
 552 cat >expected <<EOF
 553 file:foo mmap bar
 554 file:foo_mmap bar
 555 file:foo_mmap bar mmap
 556 file:foo mmap bar_mmap
 557 file:foo_mmap bar mmap baz
 558 EOF
 559
 560 cat >pattern <<EOF
 561 mmap
 562 EOF
 563
 564 test_expect_success 'grep -f, one pattern' '
 565         git grep -f pattern >actual &&
 566         test_cmp expected actual
 567 '
 568
 569 cat >expected <<EOF
 570 file:foo mmap bar
 571 file:foo_mmap bar
 572 file:foo_mmap bar mmap
 573 file:foo mmap bar_mmap
 574 file:foo_mmap bar mmap baz
 575 t/a/v:vvv
 576 t/v:vvv
 577 v:vvv
 578 EOF
 579
 580 cat >patterns <<EOF
 581 mmap
 582 vvv
 583 EOF
 584
 585 test_expect_success 'grep -f, multiple patterns' '
 586         git grep -f patterns >actual &&
 587         test_cmp expected actual
 588 '
 589
 590 test_expect_success 'grep, multiple patterns' '
 591         git grep "$(cat patterns)" >actual &&
 592         test_cmp expected actual
 593 '
 594
 595 cat >expected <<EOF
 596 file:foo mmap bar
 597 file:foo_mmap bar
 598 file:foo_mmap bar mmap
 599 file:foo mmap bar_mmap
 600 file:foo_mmap bar mmap baz
 601 t/a/v:vvv
 602 t/v:vvv
 603 v:vvv
 604 EOF
 605
 606 cat >patterns <<EOF
 607
 608 mmap
 609
 610 vvv
 611
 612 EOF
 613
 614 test_expect_success 'grep -f, ignore empty lines' '
 615         git grep -f patterns >actual &&
 616         test_cmp expected actual
 617 '
 618
 619 test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 620         git grep -f - <patterns >actual &&
 621         test_cmp expected actual
 622 '
 623
 624 cat >expected <<EOF
 625 y:y yy
 626 --
 627 z:zzz
 628 EOF
 629
 630 test_expect_success 'grep -q, silently report matches' '
 631         git grep -q mmap >actual &&
 632         test_must_be_empty actual &&
 633         test_must_fail git grep -q qfwfq >actual &&
 634         test_must_be_empty actual
 635 '
 636
 637 test_expect_success 'grep -C1 hunk mark between files' '
 638         git grep -C1 "^[yz]" >actual &&
 639         test_cmp expected actual
 640 '
 641
 642 test_expect_success 'log grep setup' '
 643         echo a >>file &&
 644         test_tick &&
 645         GIT_AUTHOR_NAME="With * Asterisk" \
 646         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 647         git commit -a -m "second" &&
 648
 649         echo a >>file &&
 650         test_tick &&
 651         git commit -a -m "third" &&
 652
 653         echo a >>file &&
 654         test_tick &&
 655         GIT_AUTHOR_NAME="Night Fall" \
 656         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 657         git commit -a -m "fourth"
 658 '
 659
 660 test_expect_success 'log grep (1)' '
 661         git log --author=author --pretty=tformat:%s >actual &&
 662         {
 663                 echo third && echo initial
 664         } >expect &&
 665         test_cmp expect actual
 666 '
 667
 668 test_expect_success 'log grep (2)' '
 669         git log --author=" * " -F --pretty=tformat:%s >actual &&
 670         {
 671                 echo second
 672         } >expect &&
 673         test_cmp expect actual
 674 '
 675
 676 test_expect_success 'log grep (3)' '
 677         git log --author="^A U" --pretty=tformat:%s >actual &&
 678         {
 679                 echo third && echo initial
 680         } >expect &&
 681         test_cmp expect actual
 682 '
 683
 684 test_expect_success 'log grep (4)' '
 685         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 686         {
 687                 echo second
 688         } >expect &&
 689         test_cmp expect actual
 690 '
 691
 692 test_expect_success 'log grep (5)' '
 693         git log --author=Thor -F --pretty=tformat:%s >actual &&
 694         {
 695                 echo third && echo initial
 696         } >expect &&
 697         test_cmp expect actual
 698 '
 699
 700 test_expect_success 'log grep (6)' '
 701         git log --author=-0700  --pretty=tformat:%s >actual &&
 702         test_must_be_empty actual
 703 '
 704
 705 test_expect_success 'log grep (7)' '
 706         git log -g --grep-reflog="commit: third" --pretty=tformat:%s >actual &&
 707         echo third >expect &&
 708         test_cmp expect actual
 709 '
 710
 711 test_expect_success 'log grep (8)' '
 712         git log -g --grep-reflog="commit: third" --grep-reflog="commit: second" --pretty=tformat:%s >actual &&
 713         {
 714                 echo third && echo second
 715         } >expect &&
 716         test_cmp expect actual
 717 '
 718
 719 test_expect_success 'log grep (9)' '
 720         git log -g --grep-reflog="commit: third" --author="Thor" --pretty=tformat:%s >actual &&
 721         echo third >expect &&
 722         test_cmp expect actual
 723 '
 724
 725 test_expect_success 'log grep (9)' '
 726         git log -g --grep-reflog="commit: third" --author="non-existent" --pretty=tformat:%s >actual &&
 727         test_must_be_empty actual
 728 '
 729
 730 test_expect_success 'log --grep-reflog can only be used under -g' '
 731         test_must_fail git log --grep-reflog="commit: third"
 732 '
 733
 734 test_expect_success 'log with multiple --grep uses union' '
 735         git log --grep=i --grep=r --format=%s >actual &&
 736         {
 737                 echo fourth && echo third && echo initial
 738         } >expect &&
 739         test_cmp expect actual
 740 '
 741
 742 test_expect_success 'log --all-match with multiple --grep uses intersection' '
 743         git log --all-match --grep=i --grep=r --format=%s >actual &&
 744         {
 745                 echo third
 746         } >expect &&
 747         test_cmp expect actual
 748 '
 749
 750 test_expect_success 'log with multiple --author uses union' '
 751         git log --author="Thor" --author="Aster" --format=%s >actual &&
 752         {
 753             echo third && echo second && echo initial
 754         } >expect &&
 755         test_cmp expect actual
 756 '
 757
 758 test_expect_success 'log --all-match with multiple --author still uses union' '
 759         git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 760         {
 761             echo third && echo second && echo initial
 762         } >expect &&
 763         test_cmp expect actual
 764 '
 765
 766 test_expect_success 'log --grep --author uses intersection' '
 767         # grep matches only third and fourth
 768         # author matches only initial and third
 769         git log --author="A U Thor" --grep=r --format=%s >actual &&
 770         {
 771                 echo third
 772         } >expect &&
 773         test_cmp expect actual
 774 '
 775
 776 test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 777         # grep matches initial and second but not third
 778         # author matches only initial and third
 779         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 780         {
 781                 echo initial
 782         } >expect &&
 783         test_cmp expect actual
 784 '
 785
 786 test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
 787         # grep matches only initial and third
 788         # author matches all but second
 789         git log --all-match --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 790         {
 791             echo third && echo initial
 792         } >expect &&
 793         test_cmp expect actual
 794 '
 795
 796 test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
 797         # grep matches only initial and third
 798         # author matches all but second
 799         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 800         {
 801             echo third && echo initial
 802         } >expect &&
 803         test_cmp expect actual
 804 '
 805
 806 test_expect_success 'log --all-match --grep --grep --author takes intersection' '
 807         # grep matches only third
 808         # author matches only initial and third
 809         git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
 810         {
 811                 echo third
 812         } >expect &&
 813         test_cmp expect actual
 814 '
 815
 816 test_expect_success 'log --author does not search in timestamp' '
 817         git log --author="$GIT_AUTHOR_DATE" >actual &&
 818         test_must_be_empty actual
 819 '
 820
 821 test_expect_success 'log --committer does not search in timestamp' '
 822         git log --committer="$GIT_COMMITTER_DATE" >actual &&
 823         test_must_be_empty actual
 824 '
 825
 826 test_expect_success 'grep with CE_VALID file' '
 827         git update-index --assume-unchanged t/t &&
 828         rm t/t &&
 829         test "$(git grep test)" = "t/t:test" &&
 830         git update-index --no-assume-unchanged t/t &&
 831         git checkout t/t
 832 '
 833
 834 cat >expected <<EOF
 835 hello.c=#include <stdio.h>
 836 hello.c:        return 0;
 837 EOF
 838
 839 test_expect_success 'grep -p with userdiff' '
 840         git config diff.custom.funcname "^#" &&
 841         echo "hello.c diff=custom" >.gitattributes &&
 842         git grep -p return >actual &&
 843         test_cmp expected actual
 844 '
 845
 846 cat >expected <<EOF
 847 hello.c=int main(int argc, const char **argv)
 848 hello.c:        return 0;
 849 EOF
 850
 851 test_expect_success 'grep -p' '
 852         rm -f .gitattributes &&
 853         git grep -p return >actual &&
 854         test_cmp expected actual
 855 '
 856
 857 cat >expected <<EOF
 858 hello.c-#include <stdio.h>
 859 hello.c-
 860 hello.c=int main(int argc, const char **argv)
 861 hello.c-{
 862 hello.c-        printf("Hello world.\n");
 863 hello.c:        return 0;
 864 EOF
 865
 866 test_expect_success 'grep -p -B5' '
 867         git grep -p -B5 return >actual &&
 868         test_cmp expected actual
 869 '
 870
 871 cat >expected <<EOF
 872 hello.c=int main(int argc, const char **argv)
 873 hello.c-{
 874 hello.c-        printf("Hello world.\n");
 875 hello.c:        return 0;
 876 hello.c-        /* char ?? */
 877 hello.c-}
 878 EOF
 879
 880 test_expect_success 'grep -W' '
 881         git grep -W return >actual &&
 882         test_cmp expected actual
 883 '
 884
 885 cat >expected <<EOF
 886 hello.c-#include <assert.h>
 887 hello.c:#include <stdio.h>
 888 EOF
 889
 890 test_expect_success 'grep -W shows no trailing empty lines' '
 891         git grep -W stdio >actual &&
 892         test_cmp expected actual
 893 '
 894
 895 test_expect_success 'grep -W with userdiff' '
 896         test_when_finished "rm -f .gitattributes" &&
 897         git config diff.custom.xfuncname "^function .*$" &&
 898         echo "hello.ps1 diff=custom" >.gitattributes &&
 899         git grep -W echo >function-context-userdiff-actual
 900 '
 901
 902 test_expect_success ' includes preceding comment' '
 903         grep "# Say hello" function-context-userdiff-actual
 904 '
 905
 906 test_expect_success ' includes function line' '
 907         grep "=function hello" function-context-userdiff-actual
 908 '
 909
 910 test_expect_success ' includes matching line' '
 911         grep ":  echo" function-context-userdiff-actual
 912 '
 913
 914 test_expect_success ' includes last line of the function' '
 915         grep "} # hello" function-context-userdiff-actual
 916 '
 917
 918 for threads in $(test_seq 0 10)
 919 do
 920         test_expect_success "grep --threads=$threads & -c grep.threads=$threads" "
 921                 git grep --threads=$threads . >actual.$threads &&
 922                 if test $threads -ge 1
 923                 then
 924                         test_cmp actual.\$(($threads - 1)) actual.$threads
 925                 fi &&
 926                 git -c grep.threads=$threads grep . >actual.$threads &&
 927                 if test $threads -ge 1
 928                 then
 929                         test_cmp actual.\$(($threads - 1)) actual.$threads
 930                 fi
 931         "
 932 done
 933
 934 test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'grep --threads=N or pack.threads=N warns when no pthreads' '
 935         git grep --threads=2 Hello hello_world 2>err &&
 936         grep ^warning: err >warnings &&
 937         test_line_count = 1 warnings &&
 938         grep -F "no threads support, ignoring --threads" err &&
 939         git -c grep.threads=2 grep Hello hello_world 2>err &&
 940         grep ^warning: err >warnings &&
 941         test_line_count = 1 warnings &&
 942         grep -F "no threads support, ignoring grep.threads" err &&
 943         git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
 944         grep ^warning: err >warnings &&
 945         test_line_count = 2 warnings &&
 946         grep -F "no threads support, ignoring --threads" err &&
 947         grep -F "no threads support, ignoring grep.threads" err &&
 948         git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
 949         test_line_count = 0 err
 950 '
 951
 952 test_expect_success 'grep from a subdirectory to search wider area (1)' '
 953         mkdir -p s &&
 954         (
 955                 cd s && git grep "x x x" ..
 956         )
 957 '
 958
 959 test_expect_success 'grep from a subdirectory to search wider area (2)' '
 960         mkdir -p s &&
 961         (
 962                 cd s &&
 963                 test_expect_code 1 git grep xxyyzz .. >out &&
 964                 test_must_be_empty out
 965         )
 966 '
 967
 968 cat >expected <<EOF
 969 hello.c:int main(int argc, const char **argv)
 970 EOF
 971
 972 test_expect_success 'grep -Fi' '
 973         git grep -Fi "CHAR *" >actual &&
 974         test_cmp expected actual
 975 '
 976
 977 test_expect_success 'outside of git repository' '
 978         rm -fr non &&
 979         mkdir -p non/git/sub &&
 980         echo hello >non/git/file1 &&
 981         echo world >non/git/sub/file2 &&
 982         {
 983                 echo file1:hello &&
 984                 echo sub/file2:world
 985         } >non/expect.full &&
 986         echo file2:world >non/expect.sub &&
 987         (
 988                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 989                 export GIT_CEILING_DIRECTORIES &&
 990                 cd non/git &&
 991                 test_must_fail git grep o &&
 992                 git grep --no-index o >../actual.full &&
 993                 test_cmp ../expect.full ../actual.full &&
 994                 cd sub &&
 995                 test_must_fail git grep o &&
 996                 git grep --no-index o >../../actual.sub &&
 997                 test_cmp ../../expect.sub ../../actual.sub
 998         ) &&
 999
1000         echo ".*o*" >non/git/.gitignore &&
1001         (
1002                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1003                 export GIT_CEILING_DIRECTORIES &&
1004                 cd non/git &&
1005                 test_must_fail git grep o &&
1006                 git grep --no-index --exclude-standard o >../actual.full &&
1007                 test_cmp ../expect.full ../actual.full &&
1008
1009                 {
1010                         echo ".gitignore:.*o*" &&
1011                         cat ../expect.full
1012                 } >../expect.with.ignored &&
1013                 git grep --no-index --no-exclude-standard o >../actual.full &&
1014                 test_cmp ../expect.with.ignored ../actual.full
1015         )
1016 '
1017
1018 test_expect_success 'outside of git repository with fallbackToNoIndex' '
1019         rm -fr non &&
1020         mkdir -p non/git/sub &&
1021         echo hello >non/git/file1 &&
1022         echo world >non/git/sub/file2 &&
1023         cat <<-\EOF >non/expect.full &&
1024         file1:hello
1025         sub/file2:world
1026         EOF
1027         echo file2:world >non/expect.sub &&
1028         (
1029                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1030                 export GIT_CEILING_DIRECTORIES &&
1031                 cd non/git &&
1032                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1033                 git -c grep.fallbackToNoIndex=true grep o >../actual.full &&
1034                 test_cmp ../expect.full ../actual.full &&
1035                 cd sub &&
1036                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1037                 git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
1038                 test_cmp ../../expect.sub ../../actual.sub
1039         ) &&
1040
1041         echo ".*o*" >non/git/.gitignore &&
1042         (
1043                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1044                 export GIT_CEILING_DIRECTORIES &&
1045                 cd non/git &&
1046                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1047                 git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
1048                 test_cmp ../expect.full ../actual.full &&
1049
1050                 {
1051                         echo ".gitignore:.*o*" &&
1052                         cat ../expect.full
1053                 } >../expect.with.ignored &&
1054                 git -c grep.fallbackToNoIndex grep --no-exclude-standard o >../actual.full &&
1055                 test_cmp ../expect.with.ignored ../actual.full
1056         )
1057 '
1058
1059 test_expect_success 'inside git repository but with --no-index' '
1060         rm -fr is &&
1061         mkdir -p is/git/sub &&
1062         echo hello >is/git/file1 &&
1063         echo world >is/git/sub/file2 &&
1064         echo ".*o*" >is/git/.gitignore &&
1065         {
1066                 echo file1:hello &&
1067                 echo sub/file2:world
1068         } >is/expect.unignored &&
1069         {
1070                 echo ".gitignore:.*o*" &&
1071                 cat is/expect.unignored
1072         } >is/expect.full &&
1073         echo file2:world >is/expect.sub &&
1074         (
1075                 cd is/git &&
1076                 git init &&
1077                 test_must_fail git grep o >../actual.full &&
1078                 test_must_be_empty ../actual.full &&
1079
1080                 git grep --untracked o >../actual.unignored &&
1081                 test_cmp ../expect.unignored ../actual.unignored &&
1082
1083                 git grep --no-index o >../actual.full &&
1084                 test_cmp ../expect.full ../actual.full &&
1085
1086                 git grep --no-index --exclude-standard o >../actual.unignored &&
1087                 test_cmp ../expect.unignored ../actual.unignored &&
1088
1089                 cd sub &&
1090                 test_must_fail git grep o >../../actual.sub &&
1091                 test_must_be_empty ../../actual.sub &&
1092
1093                 git grep --no-index o >../../actual.sub &&
1094                 test_cmp ../../expect.sub ../../actual.sub &&
1095
1096                 git grep --untracked o >../../actual.sub &&
1097                 test_cmp ../../expect.sub ../../actual.sub
1098         )
1099 '
1100
1101 test_expect_success 'grep --no-index descends into repos, but not .git' '
1102         rm -fr non &&
1103         mkdir -p non/git &&
1104         (
1105                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1106                 export GIT_CEILING_DIRECTORIES &&
1107                 cd non/git &&
1108
1109                 echo magic >file &&
1110                 git init repo &&
1111                 (
1112                         cd repo &&
1113                         echo magic >file &&
1114                         git add file &&
1115                         git commit -m foo &&
1116                         echo magic >.git/file
1117                 ) &&
1118
1119                 cat >expect <<-\EOF &&
1120                 file
1121                 repo/file
1122                 EOF
1123                 git grep -l --no-index magic >actual &&
1124                 test_cmp expect actual
1125         )
1126 '
1127
1128 test_expect_success 'setup double-dash tests' '
1129 cat >double-dash <<EOF &&
1130 --
1131 ->
1132 other
1133 EOF
1134 git add double-dash
1135 '
1136
1137 cat >expected <<EOF
1138 double-dash:->
1139 EOF
1140 test_expect_success 'grep -- pattern' '
1141         git grep -- "->" >actual &&
1142         test_cmp expected actual
1143 '
1144 test_expect_success 'grep -- pattern -- pathspec' '
1145         git grep -- "->" -- double-dash >actual &&
1146         test_cmp expected actual
1147 '
1148 test_expect_success 'grep -e pattern -- path' '
1149         git grep -e "->" -- double-dash >actual &&
1150         test_cmp expected actual
1151 '
1152
1153 cat >expected <<EOF
1154 double-dash:--
1155 EOF
1156 test_expect_success 'grep -e -- -- path' '
1157         git grep -e -- -- double-dash >actual &&
1158         test_cmp expected actual
1159 '
1160
1161 test_expect_success 'dashdash disambiguates rev as rev' '
1162         test_when_finished "rm -f master" &&
1163         echo content >master &&
1164         echo master:hello.c >expect &&
1165         git grep -l o master -- hello.c >actual &&
1166         test_cmp expect actual
1167 '
1168
1169 test_expect_success 'dashdash disambiguates pathspec as pathspec' '
1170         test_when_finished "git rm -f master" &&
1171         echo content >master &&
1172         git add master &&
1173         echo master:content >expect &&
1174         git grep o -- master >actual &&
1175         test_cmp expect actual
1176 '
1177
1178 test_expect_success 'report bogus arg without dashdash' '
1179         test_must_fail git grep o does-not-exist
1180 '
1181
1182 test_expect_success 'report bogus rev with dashdash' '
1183         test_must_fail git grep o hello.c --
1184 '
1185
1186 test_expect_success 'allow non-existent path with dashdash' '
1187         # We need a real match so grep exits with success.
1188         tree=$(git ls-tree HEAD |
1189                sed s/hello.c/not-in-working-tree/ |
1190                git mktree) &&
1191         git grep o "$tree" -- not-in-working-tree
1192 '
1193
1194 test_expect_success 'grep --no-index pattern -- path' '
1195         rm -fr non &&
1196         mkdir -p non/git &&
1197         (
1198                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1199                 export GIT_CEILING_DIRECTORIES &&
1200                 cd non/git &&
1201                 echo hello >hello &&
1202                 echo goodbye >goodbye &&
1203                 echo hello:hello >expect &&
1204                 git grep --no-index o -- hello >actual &&
1205                 test_cmp expect actual
1206         )
1207 '
1208
1209 test_expect_success 'grep --no-index complains of revs' '
1210         test_must_fail git grep --no-index o master -- 2>err &&
1211         test_i18ngrep "cannot be used with revs" err
1212 '
1213
1214 test_expect_success 'grep --no-index prefers paths to revs' '
1215         test_when_finished "rm -f master" &&
1216         echo content >master &&
1217         echo master:content >expect &&
1218         git grep --no-index o master >actual &&
1219         test_cmp expect actual
1220 '
1221
1222 test_expect_success 'grep --no-index does not "diagnose" revs' '
1223         test_must_fail git grep --no-index o :1:hello.c 2>err &&
1224         test_i18ngrep ! -i "did you mean" err
1225 '
1226
1227 cat >expected <<EOF
1228 hello.c:int main(int argc, const char **argv)
1229 hello.c:        printf("Hello world.\n");
1230 EOF
1231
1232 test_expect_success PCRE 'grep --perl-regexp pattern' '
1233         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1234         test_cmp expected actual
1235 '
1236
1237 test_expect_success !FAIL_PREREQS,!PCRE 'grep --perl-regexp pattern errors without PCRE' '
1238         test_must_fail git grep --perl-regexp "foo.*bar"
1239 '
1240
1241 test_expect_success PCRE 'grep -P pattern' '
1242         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1243         test_cmp expected actual
1244 '
1245
1246 test_expect_success LIBPCRE2 "grep -P with (*NO_JIT) doesn't error out" '
1247         git grep -P "(*NO_JIT)\p{Ps}.*?\p{Pe}" hello.c >actual &&
1248         test_cmp expected actual
1249
1250 '
1251
1252 test_expect_success !FAIL_PREREQS,!PCRE 'grep -P pattern errors without PCRE' '
1253         test_must_fail git grep -P "foo.*bar"
1254 '
1255
1256 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
1257         test_must_fail git -c grep.extendedregexp=true \
1258                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1259         test_must_be_empty actual
1260 '
1261
1262 test_expect_success PCRE 'grep -P pattern with grep.extendedRegexp=true' '
1263         git -c grep.extendedregexp=true \
1264                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1265         test_cmp expected actual
1266 '
1267
1268 test_expect_success PCRE 'grep -P -v pattern' '
1269         {
1270                 echo "ab:a+b*c"
1271                 echo "ab:a+bc"
1272         } >expected &&
1273         git grep -P -v "abc" ab >actual &&
1274         test_cmp expected actual
1275 '
1276
1277 test_expect_success PCRE 'grep -P -i pattern' '
1278         cat >expected <<-EOF &&
1279         hello.c:        printf("Hello world.\n");
1280         EOF
1281         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
1282         test_cmp expected actual
1283 '
1284
1285 test_expect_success PCRE 'grep -P -w pattern' '
1286         {
1287                 echo "hello_world:Hello world"
1288                 echo "hello_world:HeLLo world"
1289         } >expected &&
1290         git grep -P -w "He((?i)ll)o" hello_world >actual &&
1291         test_cmp expected actual
1292 '
1293
1294 test_expect_success PCRE 'grep -P backreferences work (the PCRE NO_AUTO_CAPTURE flag is not set)' '
1295         git grep -P -h "(?P<one>.)(?P=one)" hello_world >actual &&
1296         test_cmp hello_world actual &&
1297         git grep -P -h "(.)\1" hello_world >actual &&
1298         test_cmp hello_world actual
1299 '
1300
1301 test_expect_success 'grep -G invalidpattern properly dies ' '
1302         test_must_fail git grep -G "a["
1303 '
1304
1305 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
1306         test_must_fail git -c grep.patterntype=basic grep "a["
1307 '
1308
1309 test_expect_success 'grep -E invalidpattern properly dies ' '
1310         test_must_fail git grep -E "a["
1311 '
1312
1313 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
1314         test_must_fail git -c grep.patterntype=extended grep "a["
1315 '
1316
1317 test_expect_success PCRE 'grep -P invalidpattern properly dies ' '
1318         test_must_fail git grep -P "a["
1319 '
1320
1321 test_expect_success PCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
1322         test_must_fail git -c grep.patterntype=perl grep "a["
1323 '
1324
1325 test_expect_success 'grep -G -E -F pattern' '
1326         echo "ab:a+b*c" >expected &&
1327         git grep -G -E -F "a+b*c" ab >actual &&
1328         test_cmp expected actual
1329 '
1330
1331 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
1332         echo "ab:a+b*c" >expected &&
1333         git \
1334                 -c grep.patterntype=basic \
1335                 -c grep.patterntype=extended \
1336                 -c grep.patterntype=fixed \
1337                 grep "a+b*c" ab >actual &&
1338         test_cmp expected actual
1339 '
1340
1341 test_expect_success 'grep -E -F -G pattern' '
1342         echo "ab:a+bc" >expected &&
1343         git grep -E -F -G "a+b*c" ab >actual &&
1344         test_cmp expected actual
1345 '
1346
1347 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
1348         echo "ab:a+bc" >expected &&
1349         git \
1350                 -c grep.patterntype=extended \
1351                 -c grep.patterntype=fixed \
1352                 -c grep.patterntype=basic \
1353                 grep "a+b*c" ab >actual &&
1354         test_cmp expected actual
1355 '
1356
1357 test_expect_success 'grep -F -G -E pattern' '
1358         echo "ab:abc" >expected &&
1359         git grep -F -G -E "a+b*c" ab >actual &&
1360         test_cmp expected actual
1361 '
1362
1363 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
1364         echo "ab:abc" >expected &&
1365         git \
1366                 -c grep.patterntype=fixed \
1367                 -c grep.patterntype=basic \
1368                 -c grep.patterntype=extended \
1369                 grep "a+b*c" ab >actual &&
1370         test_cmp expected actual
1371 '
1372
1373 test_expect_success 'grep -G -F -P -E pattern' '
1374         echo "d0:d" >expected &&
1375         git grep -G -F -P -E "[\d]" d0 >actual &&
1376         test_cmp expected actual
1377 '
1378
1379 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
1380         echo "d0:d" >expected &&
1381         git \
1382                 -c grep.patterntype=fixed \
1383                 -c grep.patterntype=basic \
1384                 -c grep.patterntype=perl \
1385                 -c grep.patterntype=extended \
1386                 grep "[\d]" d0 >actual &&
1387         test_cmp expected actual
1388 '
1389
1390 test_expect_success PCRE 'grep -G -F -E -P pattern' '
1391         echo "d0:0" >expected &&
1392         git grep -G -F -E -P "[\d]" d0 >actual &&
1393         test_cmp expected actual
1394 '
1395
1396 test_expect_success PCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
1397         echo "d0:0" >expected &&
1398         git \
1399                 -c grep.patterntype=fixed \
1400                 -c grep.patterntype=basic \
1401                 -c grep.patterntype=extended \
1402                 -c grep.patterntype=perl \
1403                 grep "[\d]" d0 >actual &&
1404         test_cmp expected actual
1405 '
1406
1407 test_expect_success PCRE 'grep -P pattern with grep.patternType=fixed' '
1408         echo "ab:a+b*c" >expected &&
1409         git \
1410                 -c grep.patterntype=fixed \
1411                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
1412         test_cmp expected actual
1413 '
1414
1415 test_expect_success 'grep -F pattern with grep.patternType=basic' '
1416         echo "ab:a+b*c" >expected &&
1417         git \
1418                 -c grep.patterntype=basic \
1419                 grep -F "*c" ab >actual &&
1420         test_cmp expected actual
1421 '
1422
1423 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
1424         {
1425                 echo "ab:a+b*c"
1426                 echo "ab:a+bc"
1427         } >expected &&
1428         git \
1429                 -c grep.patterntype=fixed \
1430                 grep -G "a+b" ab >actual &&
1431         test_cmp expected actual
1432 '
1433
1434 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
1435         {
1436                 echo "ab:a+b*c"
1437                 echo "ab:a+bc"
1438                 echo "ab:abc"
1439         } >expected &&
1440         git \
1441                 -c grep.patterntype=fixed \
1442                 grep -E "a+" ab >actual &&
1443         test_cmp expected actual
1444 '
1445
1446 cat >expected <<EOF
1447 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1448 hello.c<RED>-<RESET>{
1449 <RED>--<RESET>
1450 hello.c<RED>:<RESET>    /* char ?? */
1451 hello.c<RED>-<RESET>}
1452 <RED>--<RESET>
1453 hello_world<RED>:<RESET>Hello_world
1454 hello_world<RED>-<RESET>HeLLo_world
1455 EOF
1456
1457 test_expect_success 'grep --color, separator' '
1458         test_config color.grep.context          normal &&
1459         test_config color.grep.filename         normal &&
1460         test_config color.grep.function         normal &&
1461         test_config color.grep.linenumber       normal &&
1462         test_config color.grep.match            normal &&
1463         test_config color.grep.selected         normal &&
1464         test_config color.grep.separator        red &&
1465
1466         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1467         test_decode_color >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:        /* char ?? */
1474
1475 hello_world:Hello_world
1476 EOF
1477
1478 test_expect_success 'grep --break' '
1479         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1480         test_cmp expected actual
1481 '
1482
1483 cat >expected <<EOF
1484 hello.c:int main(int argc, const char **argv)
1485 hello.c-{
1486 --
1487 hello.c:        /* char ?? */
1488 hello.c-}
1489
1490 hello_world:Hello_world
1491 hello_world-HeLLo_world
1492 EOF
1493
1494 test_expect_success 'grep --break with context' '
1495         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1496         test_cmp expected actual
1497 '
1498
1499 cat >expected <<EOF
1500 hello.c
1501 int main(int argc, const char **argv)
1502         /* char ?? */
1503 hello_world
1504 Hello_world
1505 EOF
1506
1507 test_expect_success 'grep --heading' '
1508         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1509         test_cmp expected actual
1510 '
1511
1512 cat >expected <<EOF
1513 <BOLD;GREEN>hello.c<RESET>
1514 4:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1515 8:      /* <BLACK;BYELLOW>char<RESET> ?? */
1516
1517 <BOLD;GREEN>hello_world<RESET>
1518 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1519 EOF
1520
1521 test_expect_success 'mimic ack-grep --group' '
1522         test_config color.grep.context          normal &&
1523         test_config color.grep.filename         "bold green" &&
1524         test_config color.grep.function         normal &&
1525         test_config color.grep.linenumber       normal &&
1526         test_config color.grep.match            "black yellow" &&
1527         test_config color.grep.selected         normal &&
1528         test_config color.grep.separator        normal &&
1529
1530         git grep --break --heading -n --color \
1531                 -e char -e lo_w hello.c hello_world |
1532         test_decode_color >actual &&
1533         test_cmp expected actual
1534 '
1535
1536 cat >expected <<EOF
1537 space: line with leading space1
1538 space: line with leading space2
1539 space: line with leading space3
1540 EOF
1541
1542 test_expect_success PCRE 'grep -E "^ "' '
1543         git grep -E "^ " space >actual &&
1544         test_cmp expected actual
1545 '
1546
1547 test_expect_success PCRE 'grep -P "^ "' '
1548         git grep -P "^ " space >actual &&
1549         test_cmp expected actual
1550 '
1551
1552 cat >expected <<EOF
1553 space-line without leading space1
1554 space: line <RED>with <RESET>leading space1
1555 space: line <RED>with <RESET>leading <RED>space2<RESET>
1556 space: line <RED>with <RESET>leading space3
1557 space:line without leading <RED>space2<RESET>
1558 EOF
1559
1560 test_expect_success 'grep --color -e A -e B with context' '
1561         test_config color.grep.context          normal &&
1562         test_config color.grep.filename         normal &&
1563         test_config color.grep.function         normal &&
1564         test_config color.grep.linenumber       normal &&
1565         test_config color.grep.matchContext     normal &&
1566         test_config color.grep.matchSelected    red &&
1567         test_config color.grep.selected         normal &&
1568         test_config color.grep.separator        normal &&
1569
1570         git grep --color=always -C2 -e "with " -e space2  space |
1571         test_decode_color >actual &&
1572         test_cmp expected actual
1573 '
1574
1575 cat >expected <<EOF
1576 space-line without leading space1
1577 space- line with leading space1
1578 space: line <RED>with <RESET>leading <RED>space2<RESET>
1579 space- line with leading space3
1580 space-line without leading space2
1581 EOF
1582
1583 test_expect_success 'grep --color -e A --and -e B with context' '
1584         test_config color.grep.context          normal &&
1585         test_config color.grep.filename         normal &&
1586         test_config color.grep.function         normal &&
1587         test_config color.grep.linenumber       normal &&
1588         test_config color.grep.matchContext     normal &&
1589         test_config color.grep.matchSelected    red &&
1590         test_config color.grep.selected         normal &&
1591         test_config color.grep.separator        normal &&
1592
1593         git grep --color=always -C2 -e "with " --and -e space2  space |
1594         test_decode_color >actual &&
1595         test_cmp expected actual
1596 '
1597
1598 cat >expected <<EOF
1599 space-line without leading space1
1600 space: line <RED>with <RESET>leading space1
1601 space- line with leading space2
1602 space: line <RED>with <RESET>leading space3
1603 space-line without leading space2
1604 EOF
1605
1606 test_expect_success 'grep --color -e A --and --not -e B with context' '
1607         test_config color.grep.context          normal &&
1608         test_config color.grep.filename         normal &&
1609         test_config color.grep.function         normal &&
1610         test_config color.grep.linenumber       normal &&
1611         test_config color.grep.matchContext     normal &&
1612         test_config color.grep.matchSelected    red &&
1613         test_config color.grep.selected         normal &&
1614         test_config color.grep.separator        normal &&
1615
1616         git grep --color=always -C2 -e "with " --and --not -e space2  space |
1617         test_decode_color >actual &&
1618         test_cmp expected actual
1619 '
1620
1621 cat >expected <<EOF
1622 hello.c-
1623 hello.c=int main(int argc, const char **argv)
1624 hello.c-{
1625 hello.c:        pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
1626 hello.c-        return 0;
1627 hello.c-        /* char ?? */
1628 hello.c-}
1629 EOF
1630
1631 test_expect_success 'grep --color -e A --and -e B -p with context' '
1632         test_config color.grep.context          normal &&
1633         test_config color.grep.filename         normal &&
1634         test_config color.grep.function         normal &&
1635         test_config color.grep.linenumber       normal &&
1636         test_config color.grep.matchContext     normal &&
1637         test_config color.grep.matchSelected    red &&
1638         test_config color.grep.selected         normal &&
1639         test_config color.grep.separator        normal &&
1640
1641         git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
1642         test_decode_color >actual &&
1643         test_cmp expected actual
1644 '
1645
1646 test_expect_success 'grep can find things only in the work tree' '
1647         : >work-tree-only &&
1648         git add work-tree-only &&
1649         test_when_finished "git rm -f work-tree-only" &&
1650         echo "find in work tree" >work-tree-only &&
1651         git grep --quiet "find in work tree" &&
1652         test_must_fail git grep --quiet --cached "find in work tree" &&
1653         test_must_fail git grep --quiet "find in work tree" HEAD
1654 '
1655
1656 test_expect_success 'grep can find things only in the work tree (i-t-a)' '
1657         echo "intend to add this" >intend-to-add &&
1658         git add -N intend-to-add &&
1659         test_when_finished "git rm -f intend-to-add" &&
1660         git grep --quiet "intend to add this" &&
1661         test_must_fail git grep --quiet --cached "intend to add this" &&
1662         test_must_fail git grep --quiet "intend to add this" HEAD
1663 '
1664
1665 test_expect_success 'grep does not search work tree with assume unchanged' '
1666         echo "intend to add this" >intend-to-add &&
1667         git add -N intend-to-add &&
1668         git update-index --assume-unchanged intend-to-add &&
1669         test_when_finished "git rm -f intend-to-add" &&
1670         test_must_fail git grep --quiet "intend to add this" &&
1671         test_must_fail git grep --quiet --cached "intend to add this" &&
1672         test_must_fail git grep --quiet "intend to add this" HEAD
1673 '
1674
1675 test_expect_success 'grep can find things only in the index' '
1676         echo "only in the index" >cache-this &&
1677         git add cache-this &&
1678         rm cache-this &&
1679         test_when_finished "git rm --cached cache-this" &&
1680         test_must_fail git grep --quiet "only in the index" &&
1681         git grep --quiet --cached "only in the index" &&
1682         test_must_fail git grep --quiet "only in the index" HEAD
1683 '
1684
1685 test_expect_success 'grep does not report i-t-a with -L --cached' '
1686         echo "intend to add this" >intend-to-add &&
1687         git add -N intend-to-add &&
1688         test_when_finished "git rm -f intend-to-add" &&
1689         git ls-files | grep -v "^intend-to-add\$" >expected &&
1690         git grep -L --cached "nonexistent_string" >actual &&
1691         test_cmp expected actual
1692 '
1693
1694 test_expect_success 'grep does not report i-t-a and assume unchanged with -L' '
1695         echo "intend to add this" >intend-to-add-assume-unchanged &&
1696         git add -N intend-to-add-assume-unchanged &&
1697         test_when_finished "git rm -f intend-to-add-assume-unchanged" &&
1698         git update-index --assume-unchanged intend-to-add-assume-unchanged &&
1699         git ls-files | grep -v "^intend-to-add-assume-unchanged\$" >expected &&
1700         git grep -L "nonexistent_string" >actual &&
1701         test_cmp expected actual
1702 '
1703
1704 test_done