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