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         if test_have_prereq FUNNYNAMES
  76         then
  77                 echo unusual >"\"unusual\" pathname" &&
  78                 echo unusual >"t/nested \"unusual\" pathname"
  79         fi &&
  80         git add . &&
  81         test_tick &&
  82         git commit -m initial
  83 '
  84
  85 test_expect_success 'grep should not segfault with a bad input' '
  86         test_must_fail git grep "("
  87 '
  88
  89 for H in HEAD ''
  90 do
  91         case "$H" in
  92         HEAD)   HC='HEAD:' L='HEAD' ;;
  93         '')     HC= L='in working tree' ;;
  94         esac
  95
  96         test_expect_success "grep -w $L" '
  97                 {
  98                         echo ${HC}file:1:foo mmap bar
  99                         echo ${HC}file:3:foo_mmap bar mmap
 100                         echo ${HC}file:4:foo mmap bar_mmap
 101                         echo ${HC}file:5:foo_mmap bar mmap baz
 102                 } >expected &&
 103                 git -c grep.linenumber=false grep -n -w -e mmap $H >actual &&
 104                 test_cmp expected actual
 105         '
 106
 107         test_expect_success "grep -w $L (with --column)" '
 108                 {
 109                         echo ${HC}file:5:foo mmap bar
 110                         echo ${HC}file:14:foo_mmap bar mmap
 111                         echo ${HC}file:5:foo mmap bar_mmap
 112                         echo ${HC}file:14:foo_mmap bar mmap baz
 113                 } >expected &&
 114                 git grep --column -w -e mmap $H >actual &&
 115                 test_cmp expected actual
 116         '
 117
 118         test_expect_success "grep -w $L (with --column, extended OR)" '
 119                 {
 120                         echo ${HC}file:14:foo_mmap bar mmap
 121                         echo ${HC}file:19:foo_mmap bar mmap baz
 122                 } >expected &&
 123                 git grep --column -w -e mmap$ --or -e baz $H >actual &&
 124                 test_cmp expected actual
 125         '
 126
 127         test_expect_success "grep -w $L (with --column, --invert-match)" '
 128                 {
 129                         echo ${HC}file:1:foo mmap bar
 130                         echo ${HC}file:1:foo_mmap bar
 131                         echo ${HC}file:1:foo_mmap bar mmap
 132                         echo ${HC}file:1:foo mmap bar_mmap
 133                 } >expected &&
 134                 git grep --column --invert-match -w -e baz $H -- file >actual &&
 135                 test_cmp expected actual
 136         '
 137
 138         test_expect_success "grep $L (with --column, --invert-match, extended OR)" '
 139                 {
 140                         echo ${HC}hello_world:6:HeLLo_world
 141                 } >expected &&
 142                 git grep --column --invert-match -e ll --or --not -e _ $H -- hello_world \
 143                         >actual &&
 144                 test_cmp expected actual
 145         '
 146
 147         test_expect_success "grep $L (with --column, --invert-match, extended AND)" '
 148                 {
 149                         echo ${HC}hello_world:3:Hello world
 150                         echo ${HC}hello_world:3:Hello_world
 151                         echo ${HC}hello_world:6:HeLLo_world
 152                 } >expected &&
 153                 git grep --column --invert-match --not -e _ --and --not -e ll $H -- hello_world \
 154                         >actual &&
 155                 test_cmp expected actual
 156         '
 157
 158         test_expect_success "grep $L (with --column, double-negation)" '
 159                 {
 160                         echo ${HC}file:1:foo_mmap bar mmap baz
 161                 } >expected &&
 162                 git grep --column --not \( --not -e foo --or --not -e baz \) $H -- file \
 163                         >actual &&
 164                 test_cmp expected actual
 165         '
 166
 167         test_expect_success "grep -w $L (with --column, -C)" '
 168                 {
 169                         echo ${HC}file:5:foo mmap bar
 170                         echo ${HC}file-foo_mmap bar
 171                         echo ${HC}file:14:foo_mmap bar mmap
 172                         echo ${HC}file:5:foo mmap bar_mmap
 173                         echo ${HC}file:14:foo_mmap bar mmap baz
 174                 } >expected &&
 175                 git grep --column -w -C1 -e mmap $H >actual &&
 176                 test_cmp expected actual
 177         '
 178
 179         test_expect_success "grep -w $L (with --line-number, --column)" '
 180                 {
 181                         echo ${HC}file:1:5:foo mmap bar
 182                         echo ${HC}file:3:14:foo_mmap bar mmap
 183                         echo ${HC}file:4:5:foo mmap bar_mmap
 184                         echo ${HC}file:5:14:foo_mmap bar mmap baz
 185                 } >expected &&
 186                 git grep -n --column -w -e mmap $H >actual &&
 187                 test_cmp expected actual
 188         '
 189
 190         test_expect_success "grep -w $L (with non-extended patterns, --column)" '
 191                 {
 192                         echo ${HC}file:5:foo mmap bar
 193                         echo ${HC}file:10:foo_mmap bar
 194                         echo ${HC}file:10:foo_mmap bar mmap
 195                         echo ${HC}file:5:foo mmap bar_mmap
 196                         echo ${HC}file:10:foo_mmap bar mmap baz
 197                 } >expected &&
 198                 git grep --column -w -e bar -e mmap $H >actual &&
 199                 test_cmp expected actual
 200         '
 201
 202         test_expect_success "grep -w $L" '
 203                 {
 204                         echo ${HC}file:1:foo mmap bar
 205                         echo ${HC}file:3:foo_mmap bar mmap
 206                         echo ${HC}file:4:foo mmap bar_mmap
 207                         echo ${HC}file:5:foo_mmap bar mmap baz
 208                 } >expected &&
 209                 git -c grep.linenumber=true grep -w -e mmap $H >actual &&
 210                 test_cmp expected actual
 211         '
 212
 213         test_expect_success "grep -w $L" '
 214                 {
 215                         echo ${HC}file:foo mmap bar
 216                         echo ${HC}file:foo_mmap bar mmap
 217                         echo ${HC}file:foo mmap bar_mmap
 218                         echo ${HC}file:foo_mmap bar mmap baz
 219                 } >expected &&
 220                 git -c grep.linenumber=true grep --no-line-number -w -e mmap $H >actual &&
 221                 test_cmp expected actual
 222         '
 223
 224         test_expect_success "grep -w $L (w)" '
 225                 test_must_fail git grep -n -w -e "^w" $H >actual &&
 226                 test_must_be_empty actual
 227         '
 228
 229         test_expect_success "grep -w $L (x)" '
 230                 {
 231                         echo ${HC}x:1:x x xx x
 232                 } >expected &&
 233                 git grep -n -w -e "x xx* x" $H >actual &&
 234                 test_cmp expected actual
 235         '
 236
 237         test_expect_success "grep -w $L (y-1)" '
 238                 {
 239                         echo ${HC}y:1:y yy
 240                 } >expected &&
 241                 git grep -n -w -e "^y" $H >actual &&
 242                 test_cmp expected actual
 243         '
 244
 245         test_expect_success "grep -w $L (y-2)" '
 246                 if git grep -n -w -e "^y y" $H >actual
 247                 then
 248                         echo should not have matched
 249                         cat actual
 250                         false
 251                 else
 252                         test_must_be_empty actual
 253                 fi
 254         '
 255
 256         test_expect_success "grep -w $L (z)" '
 257                 if git grep -n -w -e "^z" $H >actual
 258                 then
 259                         echo should not have matched
 260                         cat actual
 261                         false
 262                 else
 263                         test_must_be_empty actual
 264                 fi
 265         '
 266
 267         test_expect_success "grep $L (with --column, --only-matching)" '
 268                 {
 269                         echo ${HC}file:1:5:mmap
 270                         echo ${HC}file:2:5:mmap
 271                         echo ${HC}file:3:5:mmap
 272                         echo ${HC}file:3:13:mmap
 273                         echo ${HC}file:4:5:mmap
 274                         echo ${HC}file:4:13:mmap
 275                         echo ${HC}file:5:5:mmap
 276                         echo ${HC}file:5:13:mmap
 277                 } >expected &&
 278                 git grep --column -n -o -e mmap $H >actual &&
 279                 test_cmp expected actual
 280         '
 281
 282         test_expect_success "grep $L (t-1)" '
 283                 echo "${HC}t/t:1:test" >expected &&
 284                 git grep -n -e test $H >actual &&
 285                 test_cmp expected actual
 286         '
 287
 288         test_expect_success "grep $L (t-2)" '
 289                 echo "${HC}t:1:test" >expected &&
 290                 (
 291                         cd t &&
 292                         git grep -n -e test $H
 293                 ) >actual &&
 294                 test_cmp expected actual
 295         '
 296
 297         test_expect_success "grep $L (t-3)" '
 298                 echo "${HC}t/t:1:test" >expected &&
 299                 (
 300                         cd t &&
 301                         git grep --full-name -n -e test $H
 302                 ) >actual &&
 303                 test_cmp expected actual
 304         '
 305
 306         test_expect_success "grep -c $L (no /dev/null)" '
 307                 ! git grep -c test $H | grep /dev/null
 308         '
 309
 310         test_expect_success "grep --max-depth -1 $L" '
 311                 {
 312                         echo ${HC}t/a/v:1:vvv
 313                         echo ${HC}t/v:1:vvv
 314                         echo ${HC}v:1:vvv
 315                 } >expected &&
 316                 git grep --max-depth -1 -n -e vvv $H >actual &&
 317                 test_cmp expected actual &&
 318                 git grep --recursive -n -e vvv $H >actual &&
 319                 test_cmp expected actual
 320         '
 321
 322         test_expect_success "grep --max-depth 0 $L" '
 323                 {
 324                         echo ${HC}v:1:vvv
 325                 } >expected &&
 326                 git grep --max-depth 0 -n -e vvv $H >actual &&
 327                 test_cmp expected actual &&
 328                 git grep --no-recursive -n -e vvv $H >actual &&
 329                 test_cmp expected actual
 330         '
 331
 332         test_expect_success "grep --max-depth 0 -- '*' $L" '
 333                 {
 334                         echo ${HC}t/a/v:1:vvv
 335                         echo ${HC}t/v:1:vvv
 336                         echo ${HC}v:1:vvv
 337                 } >expected &&
 338                 git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 339                 test_cmp expected actual &&
 340                 git grep --no-recursive -n -e vvv $H -- "*" >actual &&
 341                 test_cmp expected actual
 342         '
 343
 344         test_expect_success "grep --max-depth 1 $L" '
 345                 {
 346                         echo ${HC}t/v:1:vvv
 347                         echo ${HC}v:1:vvv
 348                 } >expected &&
 349                 git grep --max-depth 1 -n -e vvv $H >actual &&
 350                 test_cmp expected actual
 351         '
 352
 353         test_expect_success "grep --max-depth 0 -- t $L" '
 354                 {
 355                         echo ${HC}t/v:1:vvv
 356                 } >expected &&
 357                 git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 358                 test_cmp expected actual &&
 359                 git grep --no-recursive -n -e vvv $H -- t >actual &&
 360                 test_cmp expected actual
 361         '
 362
 363         test_expect_success "grep --max-depth 0 -- . t $L" '
 364                 {
 365                         echo ${HC}t/v:1:vvv
 366                         echo ${HC}v:1:vvv
 367                 } >expected &&
 368                 git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
 369                 test_cmp expected actual &&
 370                 git grep --no-recursive -n -e vvv $H -- . t >actual &&
 371                 test_cmp expected actual
 372         '
 373
 374         test_expect_success "grep --max-depth 0 -- t . $L" '
 375                 {
 376                         echo ${HC}t/v:1:vvv
 377                         echo ${HC}v:1:vvv
 378                 } >expected &&
 379                 git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
 380                 test_cmp expected actual &&
 381                 git grep --no-recursive -n -e vvv $H -- t . >actual &&
 382                 test_cmp expected actual
 383         '
 384         test_expect_success "grep $L with grep.extendedRegexp=false" '
 385                 echo "${HC}ab:a+bc" >expected &&
 386                 git -c grep.extendedRegexp=false grep "a+b*c" $H ab >actual &&
 387                 test_cmp expected actual
 388         '
 389
 390         test_expect_success "grep $L with grep.extendedRegexp=true" '
 391                 echo "${HC}ab:abc" >expected &&
 392                 git -c grep.extendedRegexp=true grep "a+b*c" $H ab >actual &&
 393                 test_cmp expected actual
 394         '
 395
 396         test_expect_success "grep $L with grep.patterntype=basic" '
 397                 echo "${HC}ab:a+bc" >expected &&
 398                 git -c grep.patterntype=basic grep "a+b*c" $H ab >actual &&
 399                 test_cmp expected actual
 400         '
 401
 402         test_expect_success "grep $L with grep.patterntype=extended" '
 403                 echo "${HC}ab:abc" >expected &&
 404                 git -c grep.patterntype=extended grep "a+b*c" $H ab >actual &&
 405                 test_cmp expected actual
 406         '
 407
 408         test_expect_success "grep $L with grep.patterntype=fixed" '
 409                 echo "${HC}ab:a+b*c" >expected &&
 410                 git -c grep.patterntype=fixed grep "a+b*c" $H ab >actual &&
 411                 test_cmp expected actual
 412         '
 413
 414         test_expect_success PCRE "grep $L with grep.patterntype=perl" '
 415                 echo "${HC}ab:a+b*c" >expected &&
 416                 git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
 417                 test_cmp expected actual
 418         '
 419
 420         test_expect_success !FAIL_PREREQS,!PCRE "grep $L with grep.patterntype=perl errors without PCRE" '
 421                 test_must_fail git -c grep.patterntype=perl grep "foo.*bar"
 422         '
 423
 424         test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
 425                 echo "${HC}ab:abc" >expected &&
 426                 git \
 427                         -c grep.patternType=default \
 428                         -c grep.extendedRegexp=true \
 429                         grep "a+b*c" $H ab >actual &&
 430                 test_cmp expected actual
 431         '
 432
 433         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
 434                 echo "${HC}ab:abc" >expected &&
 435                 git \
 436                         -c grep.extendedRegexp=true \
 437                         -c grep.patternType=default \
 438                         grep "a+b*c" $H ab >actual &&
 439                 test_cmp expected actual
 440         '
 441
 442         test_expect_success "grep $L with grep.patternType=extended and grep.extendedRegexp=false" '
 443                 echo "${HC}ab:abc" >expected &&
 444                 git \
 445                         -c grep.patternType=extended \
 446                         -c grep.extendedRegexp=false \
 447                         grep "a+b*c" $H ab >actual &&
 448                 test_cmp expected actual
 449         '
 450
 451         test_expect_success "grep $L with grep.patternType=basic and grep.extendedRegexp=true" '
 452                 echo "${HC}ab:a+bc" >expected &&
 453                 git \
 454                         -c grep.patternType=basic \
 455                         -c grep.extendedRegexp=true \
 456                         grep "a+b*c" $H ab >actual &&
 457                 test_cmp expected actual
 458         '
 459
 460         test_expect_success "grep $L with grep.extendedRegexp=false and grep.patternType=extended" '
 461                 echo "${HC}ab:abc" >expected &&
 462                 git \
 463                         -c grep.extendedRegexp=false \
 464                         -c grep.patternType=extended \
 465                         grep "a+b*c" $H ab >actual &&
 466                 test_cmp expected actual
 467         '
 468
 469         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=basic" '
 470                 echo "${HC}ab:a+bc" >expected &&
 471                 git \
 472                         -c grep.extendedRegexp=true \
 473                         -c grep.patternType=basic \
 474                         grep "a+b*c" $H ab >actual &&
 475                 test_cmp expected actual
 476         '
 477
 478         test_expect_success "grep --count $L" '
 479                 echo ${HC}ab:3 >expected &&
 480                 git grep --count -e b $H -- ab >actual &&
 481                 test_cmp expected actual
 482         '
 483
 484         test_expect_success "grep --count -h $L" '
 485                 echo 3 >expected &&
 486                 git grep --count -h -e b $H -- ab >actual &&
 487                 test_cmp expected actual
 488         '
 489
 490         test_expect_success FUNNYNAMES "grep $L should quote unusual pathnames" '
 491                 cat >expected <<-EOF &&
 492                 ${HC}"\"unusual\" pathname":unusual
 493                 ${HC}"t/nested \"unusual\" pathname":unusual
 494                 EOF
 495                 git grep unusual $H >actual &&
 496                 test_cmp expected actual
 497         '
 498
 499         test_expect_success FUNNYNAMES "grep $L in subdir should quote unusual relative pathnames" '
 500                 cat >expected <<-EOF &&
 501                 ${HC}"nested \"unusual\" pathname":unusual
 502                 EOF
 503                 (
 504                         cd t &&
 505                         git grep unusual $H
 506                 ) >actual &&
 507                 test_cmp expected actual
 508         '
 509
 510         test_expect_success FUNNYNAMES "grep -z $L with unusual pathnames" '
 511                 cat >expected <<-EOF &&
 512                 ${HC}"unusual" pathname:unusual
 513                 ${HC}t/nested "unusual" pathname:unusual
 514                 EOF
 515                 git grep -z unusual $H >actual &&
 516                 tr "\0" ":" <actual >actual-replace-null &&
 517                 test_cmp expected actual-replace-null
 518         '
 519
 520         test_expect_success FUNNYNAMES "grep -z $L in subdir with unusual relative pathnames" '
 521                 cat >expected <<-EOF &&
 522                 ${HC}nested "unusual" pathname:unusual
 523                 EOF
 524                 (
 525                         cd t &&
 526                         git grep -z unusual $H
 527                 ) >actual &&
 528                 tr "\0" ":" <actual >actual-replace-null &&
 529                 test_cmp expected actual-replace-null
 530         '
 531 done
 532
 533 cat >expected <<EOF
 534 file
 535 EOF
 536 test_expect_success 'grep -l -C' '
 537         git grep -l -C1 foo >actual &&
 538         test_cmp expected actual
 539 '
 540
 541 cat >expected <<EOF
 542 file:5
 543 EOF
 544 test_expect_success 'grep -c -C' '
 545         git grep -c -C1 foo >actual &&
 546         test_cmp expected actual
 547 '
 548
 549 test_expect_success 'grep -L -C' '
 550         git ls-files >expected &&
 551         git grep -L -C1 nonexistent_string >actual &&
 552         test_cmp expected actual
 553 '
 554
 555 test_expect_success 'grep --files-without-match --quiet' '
 556         git grep --files-without-match --quiet nonexistent_string >actual &&
 557         test_must_be_empty actual
 558 '
 559
 560 cat >expected <<EOF
 561 file:foo mmap bar_mmap
 562 EOF
 563
 564 test_expect_success 'grep -e A --and -e B' '
 565         git grep -e "foo mmap" --and -e bar_mmap >actual &&
 566         test_cmp expected actual
 567 '
 568
 569 cat >expected <<EOF
 570 file:foo_mmap bar mmap
 571 file:foo_mmap bar mmap baz
 572 EOF
 573
 574
 575 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 576         git grep \( -e foo_ --or -e baz \) \
 577                 --and -e " mmap" >actual &&
 578         test_cmp expected actual
 579 '
 580
 581 cat >expected <<EOF
 582 file:foo mmap bar
 583 EOF
 584
 585 test_expect_success 'grep -e A --and --not -e B' '
 586         git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 587         test_cmp expected actual
 588 '
 589
 590 test_expect_success 'grep should ignore GREP_OPTIONS' '
 591         GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 592         test_cmp expected actual
 593 '
 594
 595 test_expect_success 'grep -f, non-existent file' '
 596         test_must_fail git grep -f patterns
 597 '
 598
 599 cat >expected <<EOF
 600 file:foo mmap bar
 601 file:foo_mmap bar
 602 file:foo_mmap bar mmap
 603 file:foo mmap bar_mmap
 604 file:foo_mmap bar mmap baz
 605 EOF
 606
 607 cat >pattern <<EOF
 608 mmap
 609 EOF
 610
 611 test_expect_success 'grep -f, one pattern' '
 612         git grep -f pattern >actual &&
 613         test_cmp expected actual
 614 '
 615
 616 cat >expected <<EOF
 617 file:foo mmap bar
 618 file:foo_mmap bar
 619 file:foo_mmap bar mmap
 620 file:foo mmap bar_mmap
 621 file:foo_mmap bar mmap baz
 622 t/a/v:vvv
 623 t/v:vvv
 624 v:vvv
 625 EOF
 626
 627 cat >patterns <<EOF
 628 mmap
 629 vvv
 630 EOF
 631
 632 test_expect_success 'grep -f, multiple patterns' '
 633         git grep -f patterns >actual &&
 634         test_cmp expected actual
 635 '
 636
 637 test_expect_success 'grep, multiple patterns' '
 638         git grep "$(cat patterns)" >actual &&
 639         test_cmp expected actual
 640 '
 641
 642 cat >expected <<EOF
 643 file:foo mmap bar
 644 file:foo_mmap bar
 645 file:foo_mmap bar mmap
 646 file:foo mmap bar_mmap
 647 file:foo_mmap bar mmap baz
 648 t/a/v:vvv
 649 t/v:vvv
 650 v:vvv
 651 EOF
 652
 653 cat >patterns <<EOF
 654
 655 mmap
 656
 657 vvv
 658
 659 EOF
 660
 661 test_expect_success 'grep -f, ignore empty lines' '
 662         git grep -f patterns >actual &&
 663         test_cmp expected actual
 664 '
 665
 666 test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 667         git grep -f - <patterns >actual &&
 668         test_cmp expected actual
 669 '
 670
 671 cat >expected <<EOF
 672 y:y yy
 673 --
 674 z:zzz
 675 EOF
 676
 677 test_expect_success 'grep -q, silently report matches' '
 678         git grep -q mmap >actual &&
 679         test_must_be_empty actual &&
 680         test_must_fail git grep -q qfwfq >actual &&
 681         test_must_be_empty actual
 682 '
 683
 684 test_expect_success 'grep -C1 hunk mark between files' '
 685         git grep -C1 "^[yz]" >actual &&
 686         test_cmp expected actual
 687 '
 688
 689 test_expect_success 'log grep setup' '
 690         echo a >>file &&
 691         test_tick &&
 692         GIT_AUTHOR_NAME="With * Asterisk" \
 693         GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 694         git commit -a -m "second" &&
 695
 696         echo a >>file &&
 697         test_tick &&
 698         git commit -a -m "third" &&
 699
 700         echo a >>file &&
 701         test_tick &&
 702         GIT_AUTHOR_NAME="Night Fall" \
 703         GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 704         git commit -a -m "fourth"
 705 '
 706
 707 test_expect_success 'log grep (1)' '
 708         git log --author=author --pretty=tformat:%s >actual &&
 709         {
 710                 echo third && echo initial
 711         } >expect &&
 712         test_cmp expect actual
 713 '
 714
 715 test_expect_success 'log grep (2)' '
 716         git log --author=" * " -F --pretty=tformat:%s >actual &&
 717         {
 718                 echo second
 719         } >expect &&
 720         test_cmp expect actual
 721 '
 722
 723 test_expect_success 'log grep (3)' '
 724         git log --author="^A U" --pretty=tformat:%s >actual &&
 725         {
 726                 echo third && echo initial
 727         } >expect &&
 728         test_cmp expect actual
 729 '
 730
 731 test_expect_success 'log grep (4)' '
 732         git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 733         {
 734                 echo second
 735         } >expect &&
 736         test_cmp expect actual
 737 '
 738
 739 test_expect_success 'log grep (5)' '
 740         git log --author=Thor -F --pretty=tformat:%s >actual &&
 741         {
 742                 echo third && echo initial
 743         } >expect &&
 744         test_cmp expect actual
 745 '
 746
 747 test_expect_success 'log grep (6)' '
 748         git log --author=-0700  --pretty=tformat:%s >actual &&
 749         test_must_be_empty actual
 750 '
 751
 752 test_expect_success 'log grep (7)' '
 753         git log -g --grep-reflog="commit: third" --pretty=tformat:%s >actual &&
 754         echo third >expect &&
 755         test_cmp expect actual
 756 '
 757
 758 test_expect_success 'log grep (8)' '
 759         git log -g --grep-reflog="commit: third" --grep-reflog="commit: second" --pretty=tformat:%s >actual &&
 760         {
 761                 echo third && echo second
 762         } >expect &&
 763         test_cmp expect actual
 764 '
 765
 766 test_expect_success 'log grep (9)' '
 767         git log -g --grep-reflog="commit: third" --author="Thor" --pretty=tformat:%s >actual &&
 768         echo third >expect &&
 769         test_cmp expect actual
 770 '
 771
 772 test_expect_success 'log grep (9)' '
 773         git log -g --grep-reflog="commit: third" --author="non-existent" --pretty=tformat:%s >actual &&
 774         test_must_be_empty actual
 775 '
 776
 777 test_expect_success 'log --grep-reflog can only be used under -g' '
 778         test_must_fail git log --grep-reflog="commit: third"
 779 '
 780
 781 test_expect_success 'log with multiple --grep uses union' '
 782         git log --grep=i --grep=r --format=%s >actual &&
 783         {
 784                 echo fourth && echo third && echo initial
 785         } >expect &&
 786         test_cmp expect actual
 787 '
 788
 789 test_expect_success 'log --all-match with multiple --grep uses intersection' '
 790         git log --all-match --grep=i --grep=r --format=%s >actual &&
 791         {
 792                 echo third
 793         } >expect &&
 794         test_cmp expect actual
 795 '
 796
 797 test_expect_success 'log with multiple --author uses union' '
 798         git log --author="Thor" --author="Aster" --format=%s >actual &&
 799         {
 800             echo third && echo second && echo initial
 801         } >expect &&
 802         test_cmp expect actual
 803 '
 804
 805 test_expect_success 'log --all-match with multiple --author still uses union' '
 806         git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 807         {
 808             echo third && echo second && echo initial
 809         } >expect &&
 810         test_cmp expect actual
 811 '
 812
 813 test_expect_success 'log --grep --author uses intersection' '
 814         # grep matches only third and fourth
 815         # author matches only initial and third
 816         git log --author="A U Thor" --grep=r --format=%s >actual &&
 817         {
 818                 echo third
 819         } >expect &&
 820         test_cmp expect actual
 821 '
 822
 823 test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 824         # grep matches initial and second but not third
 825         # author matches only initial and third
 826         git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 827         {
 828                 echo initial
 829         } >expect &&
 830         test_cmp expect actual
 831 '
 832
 833 test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
 834         # grep matches only initial and third
 835         # author matches all but second
 836         git log --all-match --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 837         {
 838             echo third && echo initial
 839         } >expect &&
 840         test_cmp expect actual
 841 '
 842
 843 test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
 844         # grep matches only initial and third
 845         # author matches all but second
 846         git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 847         {
 848             echo third && echo initial
 849         } >expect &&
 850         test_cmp expect actual
 851 '
 852
 853 test_expect_success 'log --all-match --grep --grep --author takes intersection' '
 854         # grep matches only third
 855         # author matches only initial and third
 856         git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
 857         {
 858                 echo third
 859         } >expect &&
 860         test_cmp expect actual
 861 '
 862
 863 test_expect_success 'log --author does not search in timestamp' '
 864         git log --author="$GIT_AUTHOR_DATE" >actual &&
 865         test_must_be_empty actual
 866 '
 867
 868 test_expect_success 'log --committer does not search in timestamp' '
 869         git log --committer="$GIT_COMMITTER_DATE" >actual &&
 870         test_must_be_empty actual
 871 '
 872
 873 test_expect_success 'grep with CE_VALID file' '
 874         git update-index --assume-unchanged t/t &&
 875         rm t/t &&
 876         test "$(git grep test)" = "t/t:test" &&
 877         git update-index --no-assume-unchanged t/t &&
 878         git checkout t/t
 879 '
 880
 881 cat >expected <<EOF
 882 hello.c=#include <stdio.h>
 883 hello.c:        return 0;
 884 EOF
 885
 886 test_expect_success 'grep -p with userdiff' '
 887         git config diff.custom.funcname "^#" &&
 888         echo "hello.c diff=custom" >.gitattributes &&
 889         git grep -p return >actual &&
 890         test_cmp expected actual
 891 '
 892
 893 cat >expected <<EOF
 894 hello.c=int main(int argc, const char **argv)
 895 hello.c:        return 0;
 896 EOF
 897
 898 test_expect_success 'grep -p' '
 899         rm -f .gitattributes &&
 900         git grep -p return >actual &&
 901         test_cmp expected actual
 902 '
 903
 904 cat >expected <<EOF
 905 hello.c-#include <stdio.h>
 906 hello.c-
 907 hello.c=int main(int argc, const char **argv)
 908 hello.c-{
 909 hello.c-        printf("Hello world.\n");
 910 hello.c:        return 0;
 911 EOF
 912
 913 test_expect_success 'grep -p -B5' '
 914         git grep -p -B5 return >actual &&
 915         test_cmp expected actual
 916 '
 917
 918 cat >expected <<EOF
 919 hello.c=int main(int argc, const char **argv)
 920 hello.c-{
 921 hello.c-        printf("Hello world.\n");
 922 hello.c:        return 0;
 923 hello.c-        /* char ?? */
 924 hello.c-}
 925 EOF
 926
 927 test_expect_success 'grep -W' '
 928         git grep -W return >actual &&
 929         test_cmp expected actual
 930 '
 931
 932 cat >expected <<EOF
 933 hello.c-#include <assert.h>
 934 hello.c:#include <stdio.h>
 935 EOF
 936
 937 test_expect_success 'grep -W shows no trailing empty lines' '
 938         git grep -W stdio >actual &&
 939         test_cmp expected actual
 940 '
 941
 942 test_expect_success 'grep -W with userdiff' '
 943         test_when_finished "rm -f .gitattributes" &&
 944         git config diff.custom.xfuncname "^function .*$" &&
 945         echo "hello.ps1 diff=custom" >.gitattributes &&
 946         git grep -W echo >function-context-userdiff-actual
 947 '
 948
 949 test_expect_success ' includes preceding comment' '
 950         grep "# Say hello" function-context-userdiff-actual
 951 '
 952
 953 test_expect_success ' includes function line' '
 954         grep "=function hello" function-context-userdiff-actual
 955 '
 956
 957 test_expect_success ' includes matching line' '
 958         grep ":  echo" function-context-userdiff-actual
 959 '
 960
 961 test_expect_success ' includes last line of the function' '
 962         grep "} # hello" function-context-userdiff-actual
 963 '
 964
 965 for threads in $(test_seq 0 10)
 966 do
 967         test_expect_success "grep --threads=$threads & -c grep.threads=$threads" "
 968                 git grep --threads=$threads . >actual.$threads &&
 969                 if test $threads -ge 1
 970                 then
 971                         test_cmp actual.\$(($threads - 1)) actual.$threads
 972                 fi &&
 973                 git -c grep.threads=$threads grep . >actual.$threads &&
 974                 if test $threads -ge 1
 975                 then
 976                         test_cmp actual.\$(($threads - 1)) actual.$threads
 977                 fi
 978         "
 979 done
 980
 981 test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'grep --threads=N or pack.threads=N warns when no pthreads' '
 982         git grep --threads=2 Hello hello_world 2>err &&
 983         grep ^warning: err >warnings &&
 984         test_line_count = 1 warnings &&
 985         grep -F "no threads support, ignoring --threads" err &&
 986         git -c grep.threads=2 grep Hello hello_world 2>err &&
 987         grep ^warning: err >warnings &&
 988         test_line_count = 1 warnings &&
 989         grep -F "no threads support, ignoring grep.threads" err &&
 990         git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
 991         grep ^warning: err >warnings &&
 992         test_line_count = 2 warnings &&
 993         grep -F "no threads support, ignoring --threads" err &&
 994         grep -F "no threads support, ignoring grep.threads" err &&
 995         git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
 996         test_line_count = 0 err
 997 '
 998
 999 test_expect_success 'grep from a subdirectory to search wider area (1)' '
1000         mkdir -p s &&
1001         (
1002                 cd s && git grep "x x x" ..
1003         )
1004 '
1005
1006 test_expect_success 'grep from a subdirectory to search wider area (2)' '
1007         mkdir -p s &&
1008         (
1009                 cd s &&
1010                 test_expect_code 1 git grep xxyyzz .. >out &&
1011                 test_must_be_empty out
1012         )
1013 '
1014
1015 cat >expected <<EOF
1016 hello.c:int main(int argc, const char **argv)
1017 EOF
1018
1019 test_expect_success 'grep -Fi' '
1020         git grep -Fi "CHAR *" >actual &&
1021         test_cmp expected actual
1022 '
1023
1024 test_expect_success 'outside of git repository' '
1025         rm -fr non &&
1026         mkdir -p non/git/sub &&
1027         echo hello >non/git/file1 &&
1028         echo world >non/git/sub/file2 &&
1029         {
1030                 echo file1:hello &&
1031                 echo sub/file2:world
1032         } >non/expect.full &&
1033         echo file2:world >non/expect.sub &&
1034         (
1035                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1036                 export GIT_CEILING_DIRECTORIES &&
1037                 cd non/git &&
1038                 test_must_fail git grep o &&
1039                 git grep --no-index o >../actual.full &&
1040                 test_cmp ../expect.full ../actual.full &&
1041                 cd sub &&
1042                 test_must_fail git grep o &&
1043                 git grep --no-index o >../../actual.sub &&
1044                 test_cmp ../../expect.sub ../../actual.sub
1045         ) &&
1046
1047         echo ".*o*" >non/git/.gitignore &&
1048         (
1049                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1050                 export GIT_CEILING_DIRECTORIES &&
1051                 cd non/git &&
1052                 test_must_fail git grep o &&
1053                 git grep --no-index --exclude-standard o >../actual.full &&
1054                 test_cmp ../expect.full ../actual.full &&
1055
1056                 {
1057                         echo ".gitignore:.*o*" &&
1058                         cat ../expect.full
1059                 } >../expect.with.ignored &&
1060                 git grep --no-index --no-exclude-standard o >../actual.full &&
1061                 test_cmp ../expect.with.ignored ../actual.full
1062         )
1063 '
1064
1065 test_expect_success 'outside of git repository with fallbackToNoIndex' '
1066         rm -fr non &&
1067         mkdir -p non/git/sub &&
1068         echo hello >non/git/file1 &&
1069         echo world >non/git/sub/file2 &&
1070         cat <<-\EOF >non/expect.full &&
1071         file1:hello
1072         sub/file2:world
1073         EOF
1074         echo file2:world >non/expect.sub &&
1075         (
1076                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1077                 export GIT_CEILING_DIRECTORIES &&
1078                 cd non/git &&
1079                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1080                 git -c grep.fallbackToNoIndex=true grep o >../actual.full &&
1081                 test_cmp ../expect.full ../actual.full &&
1082                 cd sub &&
1083                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1084                 git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
1085                 test_cmp ../../expect.sub ../../actual.sub
1086         ) &&
1087
1088         echo ".*o*" >non/git/.gitignore &&
1089         (
1090                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1091                 export GIT_CEILING_DIRECTORIES &&
1092                 cd non/git &&
1093                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1094                 git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
1095                 test_cmp ../expect.full ../actual.full &&
1096
1097                 {
1098                         echo ".gitignore:.*o*" &&
1099                         cat ../expect.full
1100                 } >../expect.with.ignored &&
1101                 git -c grep.fallbackToNoIndex grep --no-exclude-standard o >../actual.full &&
1102                 test_cmp ../expect.with.ignored ../actual.full
1103         )
1104 '
1105
1106 test_expect_success 'inside git repository but with --no-index' '
1107         rm -fr is &&
1108         mkdir -p is/git/sub &&
1109         echo hello >is/git/file1 &&
1110         echo world >is/git/sub/file2 &&
1111         echo ".*o*" >is/git/.gitignore &&
1112         {
1113                 echo file1:hello &&
1114                 echo sub/file2:world
1115         } >is/expect.unignored &&
1116         {
1117                 echo ".gitignore:.*o*" &&
1118                 cat is/expect.unignored
1119         } >is/expect.full &&
1120         echo file2:world >is/expect.sub &&
1121         (
1122                 cd is/git &&
1123                 git init &&
1124                 test_must_fail git grep o >../actual.full &&
1125                 test_must_be_empty ../actual.full &&
1126
1127                 git grep --untracked o >../actual.unignored &&
1128                 test_cmp ../expect.unignored ../actual.unignored &&
1129
1130                 git grep --no-index o >../actual.full &&
1131                 test_cmp ../expect.full ../actual.full &&
1132
1133                 git grep --no-index --exclude-standard o >../actual.unignored &&
1134                 test_cmp ../expect.unignored ../actual.unignored &&
1135
1136                 cd sub &&
1137                 test_must_fail git grep o >../../actual.sub &&
1138                 test_must_be_empty ../../actual.sub &&
1139
1140                 git grep --no-index o >../../actual.sub &&
1141                 test_cmp ../../expect.sub ../../actual.sub &&
1142
1143                 git grep --untracked o >../../actual.sub &&
1144                 test_cmp ../../expect.sub ../../actual.sub
1145         )
1146 '
1147
1148 test_expect_success 'grep --no-index descends into repos, but not .git' '
1149         rm -fr non &&
1150         mkdir -p non/git &&
1151         (
1152                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1153                 export GIT_CEILING_DIRECTORIES &&
1154                 cd non/git &&
1155
1156                 echo magic >file &&
1157                 git init repo &&
1158                 (
1159                         cd repo &&
1160                         echo magic >file &&
1161                         git add file &&
1162                         git commit -m foo &&
1163                         echo magic >.git/file
1164                 ) &&
1165
1166                 cat >expect <<-\EOF &&
1167                 file
1168                 repo/file
1169                 EOF
1170                 git grep -l --no-index magic >actual &&
1171                 test_cmp expect actual
1172         )
1173 '
1174
1175 test_expect_success 'setup double-dash tests' '
1176 cat >double-dash <<EOF &&
1177 --
1178 ->
1179 other
1180 EOF
1181 git add double-dash
1182 '
1183
1184 cat >expected <<EOF
1185 double-dash:->
1186 EOF
1187 test_expect_success 'grep -- pattern' '
1188         git grep -- "->" >actual &&
1189         test_cmp expected actual
1190 '
1191 test_expect_success 'grep -- pattern -- pathspec' '
1192         git grep -- "->" -- double-dash >actual &&
1193         test_cmp expected actual
1194 '
1195 test_expect_success 'grep -e pattern -- path' '
1196         git grep -e "->" -- double-dash >actual &&
1197         test_cmp expected actual
1198 '
1199
1200 cat >expected <<EOF
1201 double-dash:--
1202 EOF
1203 test_expect_success 'grep -e -- -- path' '
1204         git grep -e -- -- double-dash >actual &&
1205         test_cmp expected actual
1206 '
1207
1208 test_expect_success 'dashdash disambiguates rev as rev' '
1209         test_when_finished "rm -f master" &&
1210         echo content >master &&
1211         echo master:hello.c >expect &&
1212         git grep -l o master -- hello.c >actual &&
1213         test_cmp expect actual
1214 '
1215
1216 test_expect_success 'dashdash disambiguates pathspec as pathspec' '
1217         test_when_finished "git rm -f master" &&
1218         echo content >master &&
1219         git add master &&
1220         echo master:content >expect &&
1221         git grep o -- master >actual &&
1222         test_cmp expect actual
1223 '
1224
1225 test_expect_success 'report bogus arg without dashdash' '
1226         test_must_fail git grep o does-not-exist
1227 '
1228
1229 test_expect_success 'report bogus rev with dashdash' '
1230         test_must_fail git grep o hello.c --
1231 '
1232
1233 test_expect_success 'allow non-existent path with dashdash' '
1234         # We need a real match so grep exits with success.
1235         tree=$(git ls-tree HEAD |
1236                sed s/hello.c/not-in-working-tree/ |
1237                git mktree) &&
1238         git grep o "$tree" -- not-in-working-tree
1239 '
1240
1241 test_expect_success 'grep --no-index pattern -- path' '
1242         rm -fr non &&
1243         mkdir -p non/git &&
1244         (
1245                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1246                 export GIT_CEILING_DIRECTORIES &&
1247                 cd non/git &&
1248                 echo hello >hello &&
1249                 echo goodbye >goodbye &&
1250                 echo hello:hello >expect &&
1251                 git grep --no-index o -- hello >actual &&
1252                 test_cmp expect actual
1253         )
1254 '
1255
1256 test_expect_success 'grep --no-index complains of revs' '
1257         test_must_fail git grep --no-index o master -- 2>err &&
1258         test_i18ngrep "cannot be used with revs" err
1259 '
1260
1261 test_expect_success 'grep --no-index prefers paths to revs' '
1262         test_when_finished "rm -f master" &&
1263         echo content >master &&
1264         echo master:content >expect &&
1265         git grep --no-index o master >actual &&
1266         test_cmp expect actual
1267 '
1268
1269 test_expect_success 'grep --no-index does not "diagnose" revs' '
1270         test_must_fail git grep --no-index o :1:hello.c 2>err &&
1271         test_i18ngrep ! -i "did you mean" err
1272 '
1273
1274 cat >expected <<EOF
1275 hello.c:int main(int argc, const char **argv)
1276 hello.c:        printf("Hello world.\n");
1277 EOF
1278
1279 test_expect_success PCRE 'grep --perl-regexp pattern' '
1280         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1281         test_cmp expected actual
1282 '
1283
1284 test_expect_success !FAIL_PREREQS,!PCRE 'grep --perl-regexp pattern errors without PCRE' '
1285         test_must_fail git grep --perl-regexp "foo.*bar"
1286 '
1287
1288 test_expect_success PCRE 'grep -P pattern' '
1289         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1290         test_cmp expected actual
1291 '
1292
1293 test_expect_success LIBPCRE2 "grep -P with (*NO_JIT) doesn't error out" '
1294         git grep -P "(*NO_JIT)\p{Ps}.*?\p{Pe}" hello.c >actual &&
1295         test_cmp expected actual
1296
1297 '
1298
1299 test_expect_success !FAIL_PREREQS,!PCRE 'grep -P pattern errors without PCRE' '
1300         test_must_fail git grep -P "foo.*bar"
1301 '
1302
1303 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
1304         test_must_fail git -c grep.extendedregexp=true \
1305                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1306         test_must_be_empty actual
1307 '
1308
1309 test_expect_success PCRE 'grep -P pattern with grep.extendedRegexp=true' '
1310         git -c grep.extendedregexp=true \
1311                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1312         test_cmp expected actual
1313 '
1314
1315 test_expect_success PCRE 'grep -P -v pattern' '
1316         {
1317                 echo "ab:a+b*c"
1318                 echo "ab:a+bc"
1319         } >expected &&
1320         git grep -P -v "abc" ab >actual &&
1321         test_cmp expected actual
1322 '
1323
1324 test_expect_success PCRE 'grep -P -i pattern' '
1325         cat >expected <<-EOF &&
1326         hello.c:        printf("Hello world.\n");
1327         EOF
1328         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
1329         test_cmp expected actual
1330 '
1331
1332 test_expect_success PCRE 'grep -P -w pattern' '
1333         {
1334                 echo "hello_world:Hello world"
1335                 echo "hello_world:HeLLo world"
1336         } >expected &&
1337         git grep -P -w "He((?i)ll)o" hello_world >actual &&
1338         test_cmp expected actual
1339 '
1340
1341 test_expect_success PCRE 'grep -P backreferences work (the PCRE NO_AUTO_CAPTURE flag is not set)' '
1342         git grep -P -h "(?P<one>.)(?P=one)" hello_world >actual &&
1343         test_cmp hello_world actual &&
1344         git grep -P -h "(.)\1" hello_world >actual &&
1345         test_cmp hello_world actual
1346 '
1347
1348 test_expect_success 'grep -G invalidpattern properly dies ' '
1349         test_must_fail git grep -G "a["
1350 '
1351
1352 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
1353         test_must_fail git -c grep.patterntype=basic grep "a["
1354 '
1355
1356 test_expect_success 'grep -E invalidpattern properly dies ' '
1357         test_must_fail git grep -E "a["
1358 '
1359
1360 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
1361         test_must_fail git -c grep.patterntype=extended grep "a["
1362 '
1363
1364 test_expect_success PCRE 'grep -P invalidpattern properly dies ' '
1365         test_must_fail git grep -P "a["
1366 '
1367
1368 test_expect_success PCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
1369         test_must_fail git -c grep.patterntype=perl grep "a["
1370 '
1371
1372 test_expect_success 'grep -G -E -F pattern' '
1373         echo "ab:a+b*c" >expected &&
1374         git grep -G -E -F "a+b*c" ab >actual &&
1375         test_cmp expected actual
1376 '
1377
1378 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
1379         echo "ab:a+b*c" >expected &&
1380         git \
1381                 -c grep.patterntype=basic \
1382                 -c grep.patterntype=extended \
1383                 -c grep.patterntype=fixed \
1384                 grep "a+b*c" ab >actual &&
1385         test_cmp expected actual
1386 '
1387
1388 test_expect_success 'grep -E -F -G pattern' '
1389         echo "ab:a+bc" >expected &&
1390         git grep -E -F -G "a+b*c" ab >actual &&
1391         test_cmp expected actual
1392 '
1393
1394 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
1395         echo "ab:a+bc" >expected &&
1396         git \
1397                 -c grep.patterntype=extended \
1398                 -c grep.patterntype=fixed \
1399                 -c grep.patterntype=basic \
1400                 grep "a+b*c" ab >actual &&
1401         test_cmp expected actual
1402 '
1403
1404 test_expect_success 'grep -F -G -E pattern' '
1405         echo "ab:abc" >expected &&
1406         git grep -F -G -E "a+b*c" ab >actual &&
1407         test_cmp expected actual
1408 '
1409
1410 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
1411         echo "ab:abc" >expected &&
1412         git \
1413                 -c grep.patterntype=fixed \
1414                 -c grep.patterntype=basic \
1415                 -c grep.patterntype=extended \
1416                 grep "a+b*c" ab >actual &&
1417         test_cmp expected actual
1418 '
1419
1420 test_expect_success 'grep -G -F -P -E pattern' '
1421         echo "d0:d" >expected &&
1422         git grep -G -F -P -E "[\d]" d0 >actual &&
1423         test_cmp expected actual
1424 '
1425
1426 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
1427         echo "d0:d" >expected &&
1428         git \
1429                 -c grep.patterntype=fixed \
1430                 -c grep.patterntype=basic \
1431                 -c grep.patterntype=perl \
1432                 -c grep.patterntype=extended \
1433                 grep "[\d]" d0 >actual &&
1434         test_cmp expected actual
1435 '
1436
1437 test_expect_success PCRE 'grep -G -F -E -P pattern' '
1438         echo "d0:0" >expected &&
1439         git grep -G -F -E -P "[\d]" d0 >actual &&
1440         test_cmp expected actual
1441 '
1442
1443 test_expect_success PCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
1444         echo "d0:0" >expected &&
1445         git \
1446                 -c grep.patterntype=fixed \
1447                 -c grep.patterntype=basic \
1448                 -c grep.patterntype=extended \
1449                 -c grep.patterntype=perl \
1450                 grep "[\d]" d0 >actual &&
1451         test_cmp expected actual
1452 '
1453
1454 test_expect_success PCRE 'grep -P pattern with grep.patternType=fixed' '
1455         echo "ab:a+b*c" >expected &&
1456         git \
1457                 -c grep.patterntype=fixed \
1458                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
1459         test_cmp expected actual
1460 '
1461
1462 test_expect_success 'grep -F pattern with grep.patternType=basic' '
1463         echo "ab:a+b*c" >expected &&
1464         git \
1465                 -c grep.patterntype=basic \
1466                 grep -F "*c" ab >actual &&
1467         test_cmp expected actual
1468 '
1469
1470 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
1471         {
1472                 echo "ab:a+b*c"
1473                 echo "ab:a+bc"
1474         } >expected &&
1475         git \
1476                 -c grep.patterntype=fixed \
1477                 grep -G "a+b" ab >actual &&
1478         test_cmp expected actual
1479 '
1480
1481 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
1482         {
1483                 echo "ab:a+b*c"
1484                 echo "ab:a+bc"
1485                 echo "ab:abc"
1486         } >expected &&
1487         git \
1488                 -c grep.patterntype=fixed \
1489                 grep -E "a+" ab >actual &&
1490         test_cmp expected actual
1491 '
1492
1493 cat >expected <<EOF
1494 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1495 hello.c<RED>-<RESET>{
1496 <RED>--<RESET>
1497 hello.c<RED>:<RESET>    /* char ?? */
1498 hello.c<RED>-<RESET>}
1499 <RED>--<RESET>
1500 hello_world<RED>:<RESET>Hello_world
1501 hello_world<RED>-<RESET>HeLLo_world
1502 EOF
1503
1504 test_expect_success 'grep --color, separator' '
1505         test_config color.grep.context          normal &&
1506         test_config color.grep.filename         normal &&
1507         test_config color.grep.function         normal &&
1508         test_config color.grep.linenumber       normal &&
1509         test_config color.grep.match            normal &&
1510         test_config color.grep.selected         normal &&
1511         test_config color.grep.separator        red &&
1512
1513         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1514         test_decode_color >actual &&
1515         test_cmp expected actual
1516 '
1517
1518 cat >expected <<EOF
1519 hello.c:int main(int argc, const char **argv)
1520 hello.c:        /* char ?? */
1521
1522 hello_world:Hello_world
1523 EOF
1524
1525 test_expect_success 'grep --break' '
1526         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1527         test_cmp expected actual
1528 '
1529
1530 cat >expected <<EOF
1531 hello.c:int main(int argc, const char **argv)
1532 hello.c-{
1533 --
1534 hello.c:        /* char ?? */
1535 hello.c-}
1536
1537 hello_world:Hello_world
1538 hello_world-HeLLo_world
1539 EOF
1540
1541 test_expect_success 'grep --break with context' '
1542         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1543         test_cmp expected actual
1544 '
1545
1546 cat >expected <<EOF
1547 hello.c
1548 int main(int argc, const char **argv)
1549         /* char ?? */
1550 hello_world
1551 Hello_world
1552 EOF
1553
1554 test_expect_success 'grep --heading' '
1555         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1556         test_cmp expected actual
1557 '
1558
1559 cat >expected <<EOF
1560 <BOLD;GREEN>hello.c<RESET>
1561 4:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1562 8:      /* <BLACK;BYELLOW>char<RESET> ?? */
1563
1564 <BOLD;GREEN>hello_world<RESET>
1565 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1566 EOF
1567
1568 test_expect_success 'mimic ack-grep --group' '
1569         test_config color.grep.context          normal &&
1570         test_config color.grep.filename         "bold green" &&
1571         test_config color.grep.function         normal &&
1572         test_config color.grep.linenumber       normal &&
1573         test_config color.grep.match            "black yellow" &&
1574         test_config color.grep.selected         normal &&
1575         test_config color.grep.separator        normal &&
1576
1577         git grep --break --heading -n --color \
1578                 -e char -e lo_w hello.c hello_world |
1579         test_decode_color >actual &&
1580         test_cmp expected actual
1581 '
1582
1583 cat >expected <<EOF
1584 space: line with leading space1
1585 space: line with leading space2
1586 space: line with leading space3
1587 EOF
1588
1589 test_expect_success PCRE 'grep -E "^ "' '
1590         git grep -E "^ " space >actual &&
1591         test_cmp expected actual
1592 '
1593
1594 test_expect_success PCRE 'grep -P "^ "' '
1595         git grep -P "^ " space >actual &&
1596         test_cmp expected actual
1597 '
1598
1599 cat >expected <<EOF
1600 space-line without leading space1
1601 space: line <RED>with <RESET>leading space1
1602 space: line <RED>with <RESET>leading <RED>space2<RESET>
1603 space: line <RED>with <RESET>leading space3
1604 space:line without leading <RED>space2<RESET>
1605 EOF
1606
1607 test_expect_success 'grep --color -e A -e B with context' '
1608         test_config color.grep.context          normal &&
1609         test_config color.grep.filename         normal &&
1610         test_config color.grep.function         normal &&
1611         test_config color.grep.linenumber       normal &&
1612         test_config color.grep.matchContext     normal &&
1613         test_config color.grep.matchSelected    red &&
1614         test_config color.grep.selected         normal &&
1615         test_config color.grep.separator        normal &&
1616
1617         git grep --color=always -C2 -e "with " -e space2  space |
1618         test_decode_color >actual &&
1619         test_cmp expected actual
1620 '
1621
1622 cat >expected <<EOF
1623 space-line without leading space1
1624 space- line with leading space1
1625 space: line <RED>with <RESET>leading <RED>space2<RESET>
1626 space- line with leading space3
1627 space-line without leading space2
1628 EOF
1629
1630 test_expect_success 'grep --color -e A --and -e B with context' '
1631         test_config color.grep.context          normal &&
1632         test_config color.grep.filename         normal &&
1633         test_config color.grep.function         normal &&
1634         test_config color.grep.linenumber       normal &&
1635         test_config color.grep.matchContext     normal &&
1636         test_config color.grep.matchSelected    red &&
1637         test_config color.grep.selected         normal &&
1638         test_config color.grep.separator        normal &&
1639
1640         git grep --color=always -C2 -e "with " --and -e space2  space |
1641         test_decode_color >actual &&
1642         test_cmp expected actual
1643 '
1644
1645 cat >expected <<EOF
1646 space-line without leading space1
1647 space: line <RED>with <RESET>leading space1
1648 space- line with leading space2
1649 space: line <RED>with <RESET>leading space3
1650 space-line without leading space2
1651 EOF
1652
1653 test_expect_success 'grep --color -e A --and --not -e B with context' '
1654         test_config color.grep.context          normal &&
1655         test_config color.grep.filename         normal &&
1656         test_config color.grep.function         normal &&
1657         test_config color.grep.linenumber       normal &&
1658         test_config color.grep.matchContext     normal &&
1659         test_config color.grep.matchSelected    red &&
1660         test_config color.grep.selected         normal &&
1661         test_config color.grep.separator        normal &&
1662
1663         git grep --color=always -C2 -e "with " --and --not -e space2  space |
1664         test_decode_color >actual &&
1665         test_cmp expected actual
1666 '
1667
1668 cat >expected <<EOF
1669 hello.c-
1670 hello.c=int main(int argc, const char **argv)
1671 hello.c-{
1672 hello.c:        pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
1673 hello.c-        return 0;
1674 hello.c-        /* char ?? */
1675 hello.c-}
1676 EOF
1677
1678 test_expect_success 'grep --color -e A --and -e B -p with context' '
1679         test_config color.grep.context          normal &&
1680         test_config color.grep.filename         normal &&
1681         test_config color.grep.function         normal &&
1682         test_config color.grep.linenumber       normal &&
1683         test_config color.grep.matchContext     normal &&
1684         test_config color.grep.matchSelected    red &&
1685         test_config color.grep.selected         normal &&
1686         test_config color.grep.separator        normal &&
1687
1688         git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
1689         test_decode_color >actual &&
1690         test_cmp expected actual
1691 '
1692
1693 test_expect_success 'grep can find things only in the work tree' '
1694         : >work-tree-only &&
1695         git add work-tree-only &&
1696         test_when_finished "git rm -f work-tree-only" &&
1697         echo "find in work tree" >work-tree-only &&
1698         git grep --quiet "find in work tree" &&
1699         test_must_fail git grep --quiet --cached "find in work tree" &&
1700         test_must_fail git grep --quiet "find in work tree" HEAD
1701 '
1702
1703 test_expect_success 'grep can find things only in the work tree (i-t-a)' '
1704         echo "intend to add this" >intend-to-add &&
1705         git add -N intend-to-add &&
1706         test_when_finished "git rm -f intend-to-add" &&
1707         git grep --quiet "intend to add this" &&
1708         test_must_fail git grep --quiet --cached "intend to add this" &&
1709         test_must_fail git grep --quiet "intend to add this" HEAD
1710 '
1711
1712 test_expect_success 'grep does not search work tree with assume unchanged' '
1713         echo "intend to add this" >intend-to-add &&
1714         git add -N intend-to-add &&
1715         git update-index --assume-unchanged intend-to-add &&
1716         test_when_finished "git rm -f intend-to-add" &&
1717         test_must_fail git grep --quiet "intend to add this" &&
1718         test_must_fail git grep --quiet --cached "intend to add this" &&
1719         test_must_fail git grep --quiet "intend to add this" HEAD
1720 '
1721
1722 test_expect_success 'grep can find things only in the index' '
1723         echo "only in the index" >cache-this &&
1724         git add cache-this &&
1725         rm cache-this &&
1726         test_when_finished "git rm --cached cache-this" &&
1727         test_must_fail git grep --quiet "only in the index" &&
1728         git grep --quiet --cached "only in the index" &&
1729         test_must_fail git grep --quiet "only in the index" HEAD
1730 '
1731
1732 test_expect_success 'grep does not report i-t-a with -L --cached' '
1733         echo "intend to add this" >intend-to-add &&
1734         git add -N intend-to-add &&
1735         test_when_finished "git rm -f intend-to-add" &&
1736         git ls-files | grep -v "^intend-to-add\$" >expected &&
1737         git grep -L --cached "nonexistent_string" >actual &&
1738         test_cmp expected actual
1739 '
1740
1741 test_expect_success 'grep does not report i-t-a and assume unchanged with -L' '
1742         echo "intend to add this" >intend-to-add-assume-unchanged &&
1743         git add -N intend-to-add-assume-unchanged &&
1744         test_when_finished "git rm -f intend-to-add-assume-unchanged" &&
1745         git update-index --assume-unchanged intend-to-add-assume-unchanged &&
1746         git ls-files | grep -v "^intend-to-add-assume-unchanged\$" >expected &&
1747         git grep -L "nonexistent_string" >actual &&
1748         test_cmp expected actual
1749 '
1750
1751 test_done