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 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
  10 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
  11
  12 . ./test-lib.sh
  13
  14 test_invalid_grep_expression() {
  15         params="$@" &&
  16         test_expect_success "invalid expression: grep $params" '
  17                 test_must_fail git grep $params -- nonexisting
  18         '
  19 }
  20
  21 cat >hello.c <<EOF
  22 #include <assert.h>
  23 #include <stdio.h>
  24
  25 int main(int argc, const char **argv)
  26 {
  27         printf("Hello world.\n");
  28         return 0;
  29         /* char ?? */
  30 }
  31 EOF
  32
  33 test_expect_success setup '
  34         cat >file <<-\EOF &&
  35         foo mmap bar
  36         foo_mmap bar
  37         foo_mmap bar mmap
  38         foo mmap bar_mmap
  39         foo_mmap bar mmap baz
  40         EOF
  41         cat >hello_world <<-\EOF &&
  42         Hello world
  43         HeLLo world
  44         Hello_world
  45         HeLLo_world
  46         EOF
  47         cat >ab <<-\EOF &&
  48         a+b*c
  49         a+bc
  50         abc
  51         EOF
  52         cat >d0 <<-\EOF &&
  53         d
  54         0
  55         EOF
  56         echo vvv >v &&
  57         echo ww w >w &&
  58         echo x x xx x >x &&
  59         echo y yy >y &&
  60         echo zzz > z &&
  61         mkdir t &&
  62         echo test >t/t &&
  63         echo vvv >t/v &&
  64         mkdir t/a &&
  65         echo vvv >t/a/v &&
  66         qz_to_tab_space >space <<-\EOF &&
  67         line without leading space1
  68         Zline with leading space1
  69         Zline with leading space2
  70         Zline with leading space3
  71         line without leading space2
  72         EOF
  73         cat >hello.ps1 <<-\EOF &&
  74         # No-op.
  75         function dummy() {}
  76
  77         # Say hello.
  78         function hello() {
  79           echo "Hello world."
  80         } # hello
  81
  82         # Still a no-op.
  83         function dummy() {}
  84         EOF
  85         if test_have_prereq FUNNYNAMES
  86         then
  87                 echo unusual >"\"unusual\" pathname" &&
  88                 echo unusual >"t/nested \"unusual\" pathname"
  89         fi &&
  90         git add . &&
  91         test_tick &&
  92         git commit -m initial
  93 '
  94
  95 test_expect_success 'grep should not segfault with a bad input' '
  96         test_must_fail git grep "("
  97 '
  98
  99 test_invalid_grep_expression --and -e A
 100
 101 for H in HEAD ''
 102 do
 103         case "$H" in
 104         HEAD)   HC='HEAD:' L='HEAD' ;;
 105         '')     HC= L='in working tree' ;;
 106         esac
 107
 108         test_expect_success "grep -w $L" '
 109                 cat >expected <<-EOF &&
 110                 ${HC}file:1:foo mmap bar
 111                 ${HC}file:3:foo_mmap bar mmap
 112                 ${HC}file:4:foo mmap bar_mmap
 113                 ${HC}file:5:foo_mmap bar mmap baz
 114                 EOF
 115                 git -c grep.linenumber=false grep -n -w -e mmap $H >actual &&
 116                 test_cmp expected actual
 117         '
 118
 119         test_expect_success "grep -w $L (with --column)" '
 120                 cat >expected <<-EOF &&
 121                 ${HC}file:5:foo mmap bar
 122                 ${HC}file:14:foo_mmap bar mmap
 123                 ${HC}file:5:foo mmap bar_mmap
 124                 ${HC}file:14:foo_mmap bar mmap baz
 125                 EOF
 126                 git grep --column -w -e mmap $H >actual &&
 127                 test_cmp expected actual
 128         '
 129
 130         test_expect_success "grep -w $L (with --column, extended OR)" '
 131                 cat >expected <<-EOF &&
 132                 ${HC}file:14:foo_mmap bar mmap
 133                 ${HC}file:19:foo_mmap bar mmap baz
 134                 EOF
 135                 git grep --column -w -e mmap$ --or -e baz $H >actual &&
 136                 test_cmp expected actual
 137         '
 138
 139         test_expect_success "grep -w $L (with --column, --invert-match)" '
 140                 cat >expected <<-EOF &&
 141                 ${HC}file:1:foo mmap bar
 142                 ${HC}file:1:foo_mmap bar
 143                 ${HC}file:1:foo_mmap bar mmap
 144                 ${HC}file:1:foo mmap bar_mmap
 145                 EOF
 146                 git grep --column --invert-match -w -e baz $H -- file >actual &&
 147                 test_cmp expected actual
 148         '
 149
 150         test_expect_success "grep $L (with --column, --invert-match, extended OR)" '
 151                 cat >expected <<-EOF &&
 152                 ${HC}hello_world:6:HeLLo_world
 153                 EOF
 154                 git grep --column --invert-match -e ll --or --not -e _ $H -- hello_world \
 155                         >actual &&
 156                 test_cmp expected actual
 157         '
 158
 159         test_expect_success "grep $L (with --column, --invert-match, extended AND)" '
 160                 cat >expected <<-EOF &&
 161                 ${HC}hello_world:3:Hello world
 162                 ${HC}hello_world:3:Hello_world
 163                 ${HC}hello_world:6:HeLLo_world
 164                 EOF
 165                 git grep --column --invert-match --not -e _ --and --not -e ll $H -- hello_world \
 166                         >actual &&
 167                 test_cmp expected actual
 168         '
 169
 170         test_expect_success "grep $L (with --column, double-negation)" '
 171                 cat >expected <<-EOF &&
 172                 ${HC}file:1:foo_mmap bar mmap baz
 173                 EOF
 174                 git grep --column --not \( --not -e foo --or --not -e baz \) $H -- file \
 175                         >actual &&
 176                 test_cmp expected actual
 177         '
 178
 179         test_expect_success "grep -w $L (with --column, -C)" '
 180                 cat >expected <<-EOF &&
 181                 ${HC}file:5:foo mmap bar
 182                 ${HC}file-foo_mmap bar
 183                 ${HC}file:14:foo_mmap bar mmap
 184                 ${HC}file:5:foo mmap bar_mmap
 185                 ${HC}file:14:foo_mmap bar mmap baz
 186                 EOF
 187                 git grep --column -w -C1 -e mmap $H >actual &&
 188                 test_cmp expected actual
 189         '
 190
 191         test_expect_success "grep -w $L (with --line-number, --column)" '
 192                 cat >expected <<-EOF &&
 193                 ${HC}file:1:5:foo mmap bar
 194                 ${HC}file:3:14:foo_mmap bar mmap
 195                 ${HC}file:4:5:foo mmap bar_mmap
 196                 ${HC}file:5:14:foo_mmap bar mmap baz
 197                 EOF
 198                 git grep -n --column -w -e mmap $H >actual &&
 199                 test_cmp expected actual
 200         '
 201
 202         test_expect_success "grep -w $L (with non-extended patterns, --column)" '
 203                 cat >expected <<-EOF &&
 204                 ${HC}file:5:foo mmap bar
 205                 ${HC}file:10:foo_mmap bar
 206                 ${HC}file:10:foo_mmap bar mmap
 207                 ${HC}file:5:foo mmap bar_mmap
 208                 ${HC}file:10:foo_mmap bar mmap baz
 209                 EOF
 210                 git grep --column -w -e bar -e mmap $H >actual &&
 211                 test_cmp expected actual
 212         '
 213
 214         test_expect_success "grep -w $L" '
 215                 cat >expected <<-EOF &&
 216                 ${HC}file:1:foo mmap bar
 217                 ${HC}file:3:foo_mmap bar mmap
 218                 ${HC}file:4:foo mmap bar_mmap
 219                 ${HC}file:5:foo_mmap bar mmap baz
 220                 EOF
 221                 git -c grep.linenumber=true grep -w -e mmap $H >actual &&
 222                 test_cmp expected actual
 223         '
 224
 225         test_expect_success "grep -w $L" '
 226                 cat >expected <<-EOF &&
 227                 ${HC}file:foo mmap bar
 228                 ${HC}file:foo_mmap bar mmap
 229                 ${HC}file:foo mmap bar_mmap
 230                 ${HC}file:foo_mmap bar mmap baz
 231                 EOF
 232                 git -c grep.linenumber=true grep --no-line-number -w -e mmap $H >actual &&
 233                 test_cmp expected actual
 234         '
 235
 236         test_expect_success "grep -w $L (w)" '
 237                 test_must_fail git grep -n -w -e "^w" $H >actual &&
 238                 test_must_be_empty actual
 239         '
 240
 241         test_expect_success "grep -w $L (x)" '
 242                 cat >expected <<-EOF &&
 243                 ${HC}x:1:x x xx x
 244                 EOF
 245                 git grep -n -w -e "x xx* x" $H >actual &&
 246                 test_cmp expected actual
 247         '
 248
 249         test_expect_success "grep -w $L (y-1)" '
 250                 cat >expected <<-EOF &&
 251                 ${HC}y:1:y yy
 252                 EOF
 253                 git grep -n -w -e "^y" $H >actual &&
 254                 test_cmp expected actual
 255         '
 256
 257         test_expect_success "grep -w $L (y-2)" '
 258                 if git grep -n -w -e "^y y" $H >actual
 259                 then
 260                         echo should not have matched
 261                         cat actual
 262                         false
 263                 else
 264                         test_must_be_empty actual
 265                 fi
 266         '
 267
 268         test_expect_success "grep -w $L (z)" '
 269                 if git grep -n -w -e "^z" $H >actual
 270                 then
 271                         echo should not have matched
 272                         cat actual
 273                         false
 274                 else
 275                         test_must_be_empty actual
 276                 fi
 277         '
 278
 279         test_expect_success "grep $L (with --column, --only-matching)" '
 280                 cat >expected <<-EOF &&
 281                 ${HC}file:1:5:mmap
 282                 ${HC}file:2:5:mmap
 283                 ${HC}file:3:5:mmap
 284                 ${HC}file:3:13:mmap
 285                 ${HC}file:4:5:mmap
 286                 ${HC}file:4:13:mmap
 287                 ${HC}file:5:5:mmap
 288                 ${HC}file:5:13:mmap
 289                 EOF
 290                 git grep --column -n -o -e mmap $H >actual &&
 291                 test_cmp expected actual
 292         '
 293
 294         test_expect_success "grep $L (t-1)" '
 295                 echo "${HC}t/t:1:test" >expected &&
 296                 git grep -n -e test $H >actual &&
 297                 test_cmp expected actual
 298         '
 299
 300         test_expect_success "grep $L (t-2)" '
 301                 echo "${HC}t:1:test" >expected &&
 302                 (
 303                         cd t &&
 304                         git grep -n -e test $H
 305                 ) >actual &&
 306                 test_cmp expected actual
 307         '
 308
 309         test_expect_success "grep $L (t-3)" '
 310                 echo "${HC}t/t:1:test" >expected &&
 311                 (
 312                         cd t &&
 313                         git grep --full-name -n -e test $H
 314                 ) >actual &&
 315                 test_cmp expected actual
 316         '
 317
 318         test_expect_success "grep -c $L (no /dev/null)" '
 319                 ! git grep -c test $H | grep /dev/null
 320         '
 321
 322         test_expect_success "grep --max-depth -1 $L" '
 323                 cat >expected <<-EOF &&
 324                 ${HC}t/a/v:1:vvv
 325                 ${HC}t/v:1:vvv
 326                 ${HC}v:1:vvv
 327                 EOF
 328                 git grep --max-depth -1 -n -e vvv $H >actual &&
 329                 test_cmp expected actual &&
 330                 git grep --recursive -n -e vvv $H >actual &&
 331                 test_cmp expected actual
 332         '
 333
 334         test_expect_success "grep --max-depth 0 $L" '
 335                 cat >expected <<-EOF &&
 336                 ${HC}v:1:vvv
 337                 EOF
 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 0 -- '*' $L" '
 345                 cat >expected <<-EOF &&
 346                 ${HC}t/a/v:1:vvv
 347                 ${HC}t/v:1:vvv
 348                 ${HC}v:1:vvv
 349                 EOF
 350                 git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 351                 test_cmp expected actual &&
 352                 git grep --no-recursive -n -e vvv $H -- "*" >actual &&
 353                 test_cmp expected actual
 354         '
 355
 356         test_expect_success "grep --max-depth 1 $L" '
 357                 cat >expected <<-EOF &&
 358                 ${HC}t/v:1:vvv
 359                 ${HC}v:1:vvv
 360                 EOF
 361                 git grep --max-depth 1 -n -e vvv $H >actual &&
 362                 test_cmp expected actual
 363         '
 364
 365         test_expect_success "grep --max-depth 0 -- t $L" '
 366                 cat >expected <<-EOF &&
 367                 ${HC}t/v:1:vvv
 368                 EOF
 369                 git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 370                 test_cmp expected actual &&
 371                 git grep --no-recursive -n -e vvv $H -- t >actual &&
 372                 test_cmp expected actual
 373         '
 374
 375         test_expect_success "grep --max-depth 0 -- . t $L" '
 376                 cat >expected <<-EOF &&
 377                 ${HC}t/v:1:vvv
 378                 ${HC}v:1:vvv
 379                 EOF
 380                 git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
 381                 test_cmp expected actual &&
 382                 git grep --no-recursive -n -e vvv $H -- . t >actual &&
 383                 test_cmp expected actual
 384         '
 385
 386         test_expect_success "grep --max-depth 0 -- t . $L" '
 387                 cat >expected <<-EOF &&
 388                 ${HC}t/v:1:vvv
 389                 ${HC}v:1:vvv
 390                 EOF
 391                 git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
 392                 test_cmp expected actual &&
 393                 git grep --no-recursive -n -e vvv $H -- t . >actual &&
 394                 test_cmp expected actual
 395         '
 396         test_expect_success "grep $L with grep.extendedRegexp=false" '
 397                 echo "${HC}ab:a+bc" >expected &&
 398                 git -c grep.extendedRegexp=false grep "a+b*c" $H ab >actual &&
 399                 test_cmp expected actual
 400         '
 401
 402         test_expect_success "grep $L with grep.extendedRegexp=true" '
 403                 echo "${HC}ab:abc" >expected &&
 404                 git -c grep.extendedRegexp=true grep "a+b*c" $H ab >actual &&
 405                 test_cmp expected actual
 406         '
 407
 408         test_expect_success "grep $L with grep.patterntype=basic" '
 409                 echo "${HC}ab:a+bc" >expected &&
 410                 git -c grep.patterntype=basic grep "a+b*c" $H ab >actual &&
 411                 test_cmp expected actual
 412         '
 413
 414         test_expect_success "grep $L with grep.patterntype=extended" '
 415                 echo "${HC}ab:abc" >expected &&
 416                 git -c grep.patterntype=extended grep "a+b*c" $H ab >actual &&
 417                 test_cmp expected actual
 418         '
 419
 420         test_expect_success "grep $L with grep.patterntype=fixed" '
 421                 echo "${HC}ab:a+b*c" >expected &&
 422                 git -c grep.patterntype=fixed grep "a+b*c" $H ab >actual &&
 423                 test_cmp expected actual
 424         '
 425
 426         test_expect_success PCRE "grep $L with grep.patterntype=perl" '
 427                 echo "${HC}ab:a+b*c" >expected &&
 428                 git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
 429                 test_cmp expected actual
 430         '
 431
 432         test_expect_success !FAIL_PREREQS,!PCRE "grep $L with grep.patterntype=perl errors without PCRE" '
 433                 test_must_fail git -c grep.patterntype=perl grep "foo.*bar"
 434         '
 435
 436         test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
 437                 echo "${HC}ab:abc" >expected &&
 438                 git \
 439                         -c grep.patternType=default \
 440                         -c grep.extendedRegexp=true \
 441                         grep "a+b*c" $H ab >actual &&
 442                 test_cmp expected actual
 443         '
 444
 445         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
 446                 echo "${HC}ab:abc" >expected &&
 447                 git \
 448                         -c grep.extendedRegexp=true \
 449                         -c grep.patternType=default \
 450                         grep "a+b*c" $H ab >actual &&
 451                 test_cmp expected actual
 452         '
 453
 454         test_expect_success "grep $L with grep.patternType=extended and grep.extendedRegexp=false" '
 455                 echo "${HC}ab:abc" >expected &&
 456                 git \
 457                         -c grep.patternType=extended \
 458                         -c grep.extendedRegexp=false \
 459                         grep "a+b*c" $H ab >actual &&
 460                 test_cmp expected actual
 461         '
 462
 463         test_expect_success "grep $L with grep.patternType=basic and grep.extendedRegexp=true" '
 464                 echo "${HC}ab:a+bc" >expected &&
 465                 git \
 466                         -c grep.patternType=basic \
 467                         -c grep.extendedRegexp=true \
 468                         grep "a+b*c" $H ab >actual &&
 469                 test_cmp expected actual
 470         '
 471
 472         test_expect_success "grep $L with grep.extendedRegexp=false and grep.patternType=extended" '
 473                 echo "${HC}ab:abc" >expected &&
 474                 git \
 475                         -c grep.extendedRegexp=false \
 476                         -c grep.patternType=extended \
 477                         grep "a+b*c" $H ab >actual &&
 478                 test_cmp expected actual
 479         '
 480
 481         test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=basic" '
 482                 echo "${HC}ab:a+bc" >expected &&
 483                 git \
 484                         -c grep.extendedRegexp=true \
 485                         -c grep.patternType=basic \
 486                         grep "a+b*c" $H ab >actual &&
 487                 test_cmp expected actual
 488         '
 489
 490         test_expect_success "grep --count $L" '
 491                 echo ${HC}ab:3 >expected &&
 492                 git grep --count -e b $H -- ab >actual &&
 493                 test_cmp expected actual
 494         '
 495
 496         test_expect_success "grep --count -h $L" '
 497                 echo 3 >expected &&
 498                 git grep --count -h -e b $H -- ab >actual &&
 499                 test_cmp expected actual
 500         '
 501
 502         test_expect_success FUNNYNAMES "grep $L should quote unusual pathnames" '
 503                 cat >expected <<-EOF &&
 504                 ${HC}"\"unusual\" pathname":unusual
 505                 ${HC}"t/nested \"unusual\" pathname":unusual
 506                 EOF
 507                 git grep unusual $H >actual &&
 508                 test_cmp expected actual
 509         '
 510
 511         test_expect_success FUNNYNAMES "grep $L in subdir should quote unusual relative pathnames" '
 512                 cat >expected <<-EOF &&
 513                 ${HC}"nested \"unusual\" pathname":unusual
 514                 EOF
 515                 (
 516                         cd t &&
 517                         git grep unusual $H
 518                 ) >actual &&
 519                 test_cmp expected actual
 520         '
 521
 522         test_expect_success FUNNYNAMES "grep -z $L with unusual pathnames" '
 523                 cat >expected <<-EOF &&
 524                 ${HC}"unusual" pathname:unusual
 525                 ${HC}t/nested "unusual" pathname:unusual
 526                 EOF
 527                 git grep -z unusual $H >actual &&
 528                 tr "\0" ":" <actual >actual-replace-null &&
 529                 test_cmp expected actual-replace-null
 530         '
 531
 532         test_expect_success FUNNYNAMES "grep -z $L in subdir with unusual relative pathnames" '
 533                 cat >expected <<-EOF &&
 534                 ${HC}nested "unusual" pathname:unusual
 535                 EOF
 536                 (
 537                         cd t &&
 538                         git grep -z unusual $H
 539                 ) >actual &&
 540                 tr "\0" ":" <actual >actual-replace-null &&
 541                 test_cmp expected actual-replace-null
 542         '
 543 done
 544
 545 cat >expected <<EOF
 546 file
 547 EOF
 548 test_expect_success 'grep -l -C' '
 549         git grep -l -C1 foo >actual &&
 550         test_cmp expected actual
 551 '
 552
 553 cat >expected <<EOF
 554 file:5
 555 EOF
 556 test_expect_success 'grep -c -C' '
 557         git grep -c -C1 foo >actual &&
 558         test_cmp expected actual
 559 '
 560
 561 test_expect_success 'grep -L -C' '
 562         git ls-files >expected &&
 563         git grep -L -C1 nonexistent_string >actual &&
 564         test_cmp expected actual
 565 '
 566
 567 test_expect_success 'grep --files-without-match --quiet' '
 568         git grep --files-without-match --quiet nonexistent_string >actual &&
 569         test_must_be_empty actual
 570 '
 571
 572 cat >expected <<EOF
 573 file:foo mmap bar_mmap
 574 EOF
 575
 576 test_expect_success 'grep -e A --and -e B' '
 577         git grep -e "foo mmap" --and -e bar_mmap >actual &&
 578         test_cmp expected actual
 579 '
 580
 581 cat >expected <<EOF
 582 file:foo_mmap bar mmap
 583 file:foo_mmap bar mmap baz
 584 EOF
 585
 586
 587 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 588         git grep \( -e foo_ --or -e baz \) \
 589                 --and -e " mmap" >actual &&
 590         test_cmp expected actual
 591 '
 592
 593 cat >expected <<EOF
 594 file:foo mmap bar
 595 EOF
 596
 597 test_expect_success 'grep -e A --and --not -e B' '
 598         git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 599         test_cmp expected actual
 600 '
 601
 602 test_expect_success 'grep should ignore GREP_OPTIONS' '
 603         GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 604         test_cmp expected actual
 605 '
 606
 607 test_expect_success 'grep -f, non-existent file' '
 608         test_must_fail git grep -f patterns
 609 '
 610
 611 cat >expected <<EOF
 612 file:foo mmap bar
 613 file:foo_mmap bar
 614 file:foo_mmap bar mmap
 615 file:foo mmap bar_mmap
 616 file:foo_mmap bar mmap baz
 617 EOF
 618
 619 cat >pattern <<EOF
 620 mmap
 621 EOF
 622
 623 test_expect_success 'grep -f, one pattern' '
 624         git grep -f pattern >actual &&
 625         test_cmp expected actual
 626 '
 627
 628 cat >expected <<EOF
 629 file:foo mmap bar
 630 file:foo_mmap bar
 631 file:foo_mmap bar mmap
 632 file:foo mmap bar_mmap
 633 file:foo_mmap bar mmap baz
 634 t/a/v:vvv
 635 t/v:vvv
 636 v:vvv
 637 EOF
 638
 639 cat >patterns <<EOF
 640 mmap
 641 vvv
 642 EOF
 643
 644 test_expect_success 'grep -f, multiple patterns' '
 645         git grep -f patterns >actual &&
 646         test_cmp expected actual
 647 '
 648
 649 test_expect_success 'grep, multiple patterns' '
 650         git grep "$(cat patterns)" >actual &&
 651         test_cmp expected actual
 652 '
 653
 654 cat >expected <<EOF
 655 file:foo mmap bar
 656 file:foo_mmap bar
 657 file:foo_mmap bar mmap
 658 file:foo mmap bar_mmap
 659 file:foo_mmap bar mmap baz
 660 t/a/v:vvv
 661 t/v:vvv
 662 v:vvv
 663 EOF
 664
 665 cat >patterns <<EOF
 666
 667 mmap
 668
 669 vvv
 670
 671 EOF
 672
 673 test_expect_success 'grep -f, ignore empty lines' '
 674         git grep -f patterns >actual &&
 675         test_cmp expected actual
 676 '
 677
 678 test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 679         git grep -f - <patterns >actual &&
 680         test_cmp expected actual
 681 '
 682
 683 cat >expected <<EOF
 684 y:y yy
 685 --
 686 z:zzz
 687 EOF
 688
 689 test_expect_success 'grep -q, silently report matches' '
 690         git grep -q mmap >actual &&
 691         test_must_be_empty actual &&
 692         test_must_fail git grep -q qfwfq >actual &&
 693         test_must_be_empty actual
 694 '
 695
 696 test_expect_success 'grep -C1 hunk mark between files' '
 697         git grep -C1 "^[yz]" >actual &&
 698         test_cmp expected actual
 699 '
 700
 701 test_expect_success 'log grep setup' '
 702         test_commit --append --author "With * Asterisk <xyzzy@frotz.com>" second file a &&
 703         test_commit --append third file a &&
 704         test_commit --append --author "Night Fall <nitfol@frobozz.com>" fourth file a
 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,!FAIL_PREREQS \
 982         'grep --threads=N or pack.threads=N warns when no pthreads' '
 983         git grep --threads=2 Hello hello_world 2>err &&
 984         grep ^warning: err >warnings &&
 985         test_line_count = 1 warnings &&
 986         grep -F "no threads support, ignoring --threads" err &&
 987         git -c grep.threads=2 grep Hello hello_world 2>err &&
 988         grep ^warning: err >warnings &&
 989         test_line_count = 1 warnings &&
 990         grep -F "no threads support, ignoring grep.threads" err &&
 991         git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
 992         grep ^warning: err >warnings &&
 993         test_line_count = 2 warnings &&
 994         grep -F "no threads support, ignoring --threads" err &&
 995         grep -F "no threads support, ignoring grep.threads" err &&
 996         git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
 997         test_line_count = 0 err
 998 '
 999
1000 test_expect_success 'grep from a subdirectory to search wider area (1)' '
1001         mkdir -p s &&
1002         (
1003                 cd s && git grep "x x x" ..
1004         )
1005 '
1006
1007 test_expect_success 'grep from a subdirectory to search wider area (2)' '
1008         mkdir -p s &&
1009         (
1010                 cd s &&
1011                 test_expect_code 1 git grep xxyyzz .. >out &&
1012                 test_must_be_empty out
1013         )
1014 '
1015
1016 cat >expected <<EOF
1017 hello.c:int main(int argc, const char **argv)
1018 EOF
1019
1020 test_expect_success 'grep -Fi' '
1021         git grep -Fi "CHAR *" >actual &&
1022         test_cmp expected actual
1023 '
1024
1025 test_expect_success 'outside of git repository' '
1026         rm -fr non &&
1027         mkdir -p non/git/sub &&
1028         echo hello >non/git/file1 &&
1029         echo world >non/git/sub/file2 &&
1030         {
1031                 echo file1:hello &&
1032                 echo sub/file2:world
1033         } >non/expect.full &&
1034         echo file2:world >non/expect.sub &&
1035         (
1036                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1037                 export GIT_CEILING_DIRECTORIES &&
1038                 cd non/git &&
1039                 test_must_fail git grep o &&
1040                 git grep --no-index o >../actual.full &&
1041                 test_cmp ../expect.full ../actual.full &&
1042                 cd sub &&
1043                 test_must_fail git grep o &&
1044                 git grep --no-index o >../../actual.sub &&
1045                 test_cmp ../../expect.sub ../../actual.sub
1046         ) &&
1047
1048         echo ".*o*" >non/git/.gitignore &&
1049         (
1050                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1051                 export GIT_CEILING_DIRECTORIES &&
1052                 cd non/git &&
1053                 test_must_fail git grep o &&
1054                 git grep --no-index --exclude-standard o >../actual.full &&
1055                 test_cmp ../expect.full ../actual.full &&
1056
1057                 {
1058                         echo ".gitignore:.*o*" &&
1059                         cat ../expect.full
1060                 } >../expect.with.ignored &&
1061                 git grep --no-index --no-exclude-standard o >../actual.full &&
1062                 test_cmp ../expect.with.ignored ../actual.full
1063         )
1064 '
1065
1066 test_expect_success 'outside of git repository with fallbackToNoIndex' '
1067         rm -fr non &&
1068         mkdir -p non/git/sub &&
1069         echo hello >non/git/file1 &&
1070         echo world >non/git/sub/file2 &&
1071         cat <<-\EOF >non/expect.full &&
1072         file1:hello
1073         sub/file2:world
1074         EOF
1075         echo file2:world >non/expect.sub &&
1076         (
1077                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1078                 export GIT_CEILING_DIRECTORIES &&
1079                 cd non/git &&
1080                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1081                 git -c grep.fallbackToNoIndex=true grep o >../actual.full &&
1082                 test_cmp ../expect.full ../actual.full &&
1083                 cd sub &&
1084                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1085                 git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
1086                 test_cmp ../../expect.sub ../../actual.sub
1087         ) &&
1088
1089         echo ".*o*" >non/git/.gitignore &&
1090         (
1091                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1092                 export GIT_CEILING_DIRECTORIES &&
1093                 cd non/git &&
1094                 test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
1095                 git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
1096                 test_cmp ../expect.full ../actual.full &&
1097
1098                 {
1099                         echo ".gitignore:.*o*" &&
1100                         cat ../expect.full
1101                 } >../expect.with.ignored &&
1102                 git -c grep.fallbackToNoIndex grep --no-exclude-standard o >../actual.full &&
1103                 test_cmp ../expect.with.ignored ../actual.full
1104         )
1105 '
1106
1107 test_expect_success 'inside git repository but with --no-index' '
1108         rm -fr is &&
1109         mkdir -p is/git/sub &&
1110         echo hello >is/git/file1 &&
1111         echo world >is/git/sub/file2 &&
1112         echo ".*o*" >is/git/.gitignore &&
1113         {
1114                 echo file1:hello &&
1115                 echo sub/file2:world
1116         } >is/expect.unignored &&
1117         {
1118                 echo ".gitignore:.*o*" &&
1119                 cat is/expect.unignored
1120         } >is/expect.full &&
1121         echo file2:world >is/expect.sub &&
1122         (
1123                 cd is/git &&
1124                 git init &&
1125                 test_must_fail git grep o >../actual.full &&
1126                 test_must_be_empty ../actual.full &&
1127
1128                 git grep --untracked o >../actual.unignored &&
1129                 test_cmp ../expect.unignored ../actual.unignored &&
1130
1131                 git grep --no-index o >../actual.full &&
1132                 test_cmp ../expect.full ../actual.full &&
1133
1134                 git grep --no-index --exclude-standard o >../actual.unignored &&
1135                 test_cmp ../expect.unignored ../actual.unignored &&
1136
1137                 cd sub &&
1138                 test_must_fail git grep o >../../actual.sub &&
1139                 test_must_be_empty ../../actual.sub &&
1140
1141                 git grep --no-index o >../../actual.sub &&
1142                 test_cmp ../../expect.sub ../../actual.sub &&
1143
1144                 git grep --untracked o >../../actual.sub &&
1145                 test_cmp ../../expect.sub ../../actual.sub
1146         )
1147 '
1148
1149 test_expect_success 'grep --no-index descends into repos, but not .git' '
1150         rm -fr non &&
1151         mkdir -p non/git &&
1152         (
1153                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1154                 export GIT_CEILING_DIRECTORIES &&
1155                 cd non/git &&
1156
1157                 echo magic >file &&
1158                 git init repo &&
1159                 (
1160                         cd repo &&
1161                         echo magic >file &&
1162                         git add file &&
1163                         git commit -m foo &&
1164                         echo magic >.git/file
1165                 ) &&
1166
1167                 cat >expect <<-\EOF &&
1168                 file
1169                 repo/file
1170                 EOF
1171                 git grep -l --no-index magic >actual &&
1172                 test_cmp expect actual
1173         )
1174 '
1175
1176 test_expect_success 'setup double-dash tests' '
1177 cat >double-dash <<EOF &&
1178 --
1179 ->
1180 other
1181 EOF
1182 git add double-dash
1183 '
1184
1185 cat >expected <<EOF
1186 double-dash:->
1187 EOF
1188 test_expect_success 'grep -- pattern' '
1189         git grep -- "->" >actual &&
1190         test_cmp expected actual
1191 '
1192 test_expect_success 'grep -- pattern -- pathspec' '
1193         git grep -- "->" -- double-dash >actual &&
1194         test_cmp expected actual
1195 '
1196 test_expect_success 'grep -e pattern -- path' '
1197         git grep -e "->" -- double-dash >actual &&
1198         test_cmp expected actual
1199 '
1200
1201 cat >expected <<EOF
1202 double-dash:--
1203 EOF
1204 test_expect_success 'grep -e -- -- path' '
1205         git grep -e -- -- double-dash >actual &&
1206         test_cmp expected actual
1207 '
1208
1209 test_expect_success 'dashdash disambiguates rev as rev' '
1210         test_when_finished "rm -f main" &&
1211         echo content >main &&
1212         echo main:hello.c >expect &&
1213         git grep -l o main -- hello.c >actual &&
1214         test_cmp expect actual
1215 '
1216
1217 test_expect_success 'dashdash disambiguates pathspec as pathspec' '
1218         test_when_finished "git rm -f main" &&
1219         echo content >main &&
1220         git add main &&
1221         echo main:content >expect &&
1222         git grep o -- main >actual &&
1223         test_cmp expect actual
1224 '
1225
1226 test_expect_success 'report bogus arg without dashdash' '
1227         test_must_fail git grep o does-not-exist
1228 '
1229
1230 test_expect_success 'report bogus rev with dashdash' '
1231         test_must_fail git grep o hello.c --
1232 '
1233
1234 test_expect_success 'allow non-existent path with dashdash' '
1235         # We need a real match so grep exits with success.
1236         tree=$(git ls-tree HEAD |
1237                sed s/hello.c/not-in-working-tree/ |
1238                git mktree) &&
1239         git grep o "$tree" -- not-in-working-tree
1240 '
1241
1242 test_expect_success 'grep --no-index pattern -- path' '
1243         rm -fr non &&
1244         mkdir -p non/git &&
1245         (
1246                 GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
1247                 export GIT_CEILING_DIRECTORIES &&
1248                 cd non/git &&
1249                 echo hello >hello &&
1250                 echo goodbye >goodbye &&
1251                 echo hello:hello >expect &&
1252                 git grep --no-index o -- hello >actual &&
1253                 test_cmp expect actual
1254         )
1255 '
1256
1257 test_expect_success 'grep --no-index complains of revs' '
1258         test_must_fail git grep --no-index o main -- 2>err &&
1259         test_i18ngrep "cannot be used with revs" err
1260 '
1261
1262 test_expect_success 'grep --no-index prefers paths to revs' '
1263         test_when_finished "rm -f main" &&
1264         echo content >main &&
1265         echo main:content >expect &&
1266         git grep --no-index o main >actual &&
1267         test_cmp expect actual
1268 '
1269
1270 test_expect_success 'grep --no-index does not "diagnose" revs' '
1271         test_must_fail git grep --no-index o :1:hello.c 2>err &&
1272         test_i18ngrep ! -i "did you mean" err
1273 '
1274
1275 cat >expected <<EOF
1276 hello.c:int main(int argc, const char **argv)
1277 hello.c:        printf("Hello world.\n");
1278 EOF
1279
1280 test_expect_success PCRE 'grep --perl-regexp pattern' '
1281         git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1282         test_cmp expected actual
1283 '
1284
1285 test_expect_success !FAIL_PREREQS,!PCRE 'grep --perl-regexp pattern errors without PCRE' '
1286         test_must_fail git grep --perl-regexp "foo.*bar"
1287 '
1288
1289 test_expect_success PCRE 'grep -P pattern' '
1290         git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1291         test_cmp expected actual
1292 '
1293
1294 test_expect_success LIBPCRE2 "grep -P with (*NO_JIT) doesn't error out" '
1295         git grep -P "(*NO_JIT)\p{Ps}.*?\p{Pe}" hello.c >actual &&
1296         test_cmp expected actual
1297
1298 '
1299
1300 test_expect_success !FAIL_PREREQS,!PCRE 'grep -P pattern errors without PCRE' '
1301         test_must_fail git grep -P "foo.*bar"
1302 '
1303
1304 test_expect_success 'grep pattern with grep.extendedRegexp=true' '
1305         test_must_fail git -c grep.extendedregexp=true \
1306                 grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1307         test_must_be_empty actual
1308 '
1309
1310 test_expect_success PCRE 'grep -P pattern with grep.extendedRegexp=true' '
1311         git -c grep.extendedregexp=true \
1312                 grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1313         test_cmp expected actual
1314 '
1315
1316 test_expect_success PCRE 'grep -P -v pattern' '
1317         cat >expected <<-\EOF &&
1318         ab:a+b*c
1319         ab:a+bc
1320         EOF
1321         git grep -P -v "abc" ab >actual &&
1322         test_cmp expected actual
1323 '
1324
1325 test_expect_success PCRE 'grep -P -i pattern' '
1326         cat >expected <<-EOF &&
1327         hello.c:        printf("Hello world.\n");
1328         EOF
1329         git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
1330         test_cmp expected actual
1331 '
1332
1333 test_expect_success PCRE 'grep -P -w pattern' '
1334         cat >expected <<-\EOF &&
1335         hello_world:Hello world
1336         hello_world:HeLLo world
1337         EOF
1338         git grep -P -w "He((?i)ll)o" hello_world >actual &&
1339         test_cmp expected actual
1340 '
1341
1342 test_expect_success PCRE 'grep -P backreferences work (the PCRE NO_AUTO_CAPTURE flag is not set)' '
1343         git grep -P -h "(?P<one>.)(?P=one)" hello_world >actual &&
1344         test_cmp hello_world actual &&
1345         git grep -P -h "(.)\1" hello_world >actual &&
1346         test_cmp hello_world actual
1347 '
1348
1349 test_expect_success 'grep -G invalidpattern properly dies ' '
1350         test_must_fail git grep -G "a["
1351 '
1352
1353 test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
1354         test_must_fail git -c grep.patterntype=basic grep "a["
1355 '
1356
1357 test_expect_success 'grep -E invalidpattern properly dies ' '
1358         test_must_fail git grep -E "a["
1359 '
1360
1361 test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
1362         test_must_fail git -c grep.patterntype=extended grep "a["
1363 '
1364
1365 test_expect_success PCRE 'grep -P invalidpattern properly dies ' '
1366         test_must_fail git grep -P "a["
1367 '
1368
1369 test_expect_success PCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
1370         test_must_fail git -c grep.patterntype=perl grep "a["
1371 '
1372
1373 test_expect_success 'grep -G -E -F pattern' '
1374         echo "ab:a+b*c" >expected &&
1375         git grep -G -E -F "a+b*c" ab >actual &&
1376         test_cmp expected actual
1377 '
1378
1379 test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
1380         echo "ab:a+b*c" >expected &&
1381         git \
1382                 -c grep.patterntype=basic \
1383                 -c grep.patterntype=extended \
1384                 -c grep.patterntype=fixed \
1385                 grep "a+b*c" ab >actual &&
1386         test_cmp expected actual
1387 '
1388
1389 test_expect_success 'grep -E -F -G pattern' '
1390         echo "ab:a+bc" >expected &&
1391         git grep -E -F -G "a+b*c" ab >actual &&
1392         test_cmp expected actual
1393 '
1394
1395 test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
1396         echo "ab:a+bc" >expected &&
1397         git \
1398                 -c grep.patterntype=extended \
1399                 -c grep.patterntype=fixed \
1400                 -c grep.patterntype=basic \
1401                 grep "a+b*c" ab >actual &&
1402         test_cmp expected actual
1403 '
1404
1405 test_expect_success 'grep -F -G -E pattern' '
1406         echo "ab:abc" >expected &&
1407         git grep -F -G -E "a+b*c" ab >actual &&
1408         test_cmp expected actual
1409 '
1410
1411 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
1412         echo "ab:abc" >expected &&
1413         git \
1414                 -c grep.patterntype=fixed \
1415                 -c grep.patterntype=basic \
1416                 -c grep.patterntype=extended \
1417                 grep "a+b*c" ab >actual &&
1418         test_cmp expected actual
1419 '
1420
1421 test_expect_success 'grep -G -F -P -E pattern' '
1422         echo "d0:d" >expected &&
1423         git grep -G -F -P -E "[\d]" d0 >actual &&
1424         test_cmp expected actual
1425 '
1426
1427 test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
1428         echo "d0:d" >expected &&
1429         git \
1430                 -c grep.patterntype=fixed \
1431                 -c grep.patterntype=basic \
1432                 -c grep.patterntype=perl \
1433                 -c grep.patterntype=extended \
1434                 grep "[\d]" d0 >actual &&
1435         test_cmp expected actual
1436 '
1437
1438 test_expect_success PCRE 'grep -G -F -E -P pattern' '
1439         echo "d0:0" >expected &&
1440         git grep -G -F -E -P "[\d]" d0 >actual &&
1441         test_cmp expected actual
1442 '
1443
1444 test_expect_success PCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
1445         echo "d0:0" >expected &&
1446         git \
1447                 -c grep.patterntype=fixed \
1448                 -c grep.patterntype=basic \
1449                 -c grep.patterntype=extended \
1450                 -c grep.patterntype=perl \
1451                 grep "[\d]" d0 >actual &&
1452         test_cmp expected actual
1453 '
1454
1455 test_expect_success PCRE 'grep -P pattern with grep.patternType=fixed' '
1456         echo "ab:a+b*c" >expected &&
1457         git \
1458                 -c grep.patterntype=fixed \
1459                 grep -P "a\x{2b}b\x{2a}c" ab >actual &&
1460         test_cmp expected actual
1461 '
1462
1463 test_expect_success 'grep -F pattern with grep.patternType=basic' '
1464         echo "ab:a+b*c" >expected &&
1465         git \
1466                 -c grep.patterntype=basic \
1467                 grep -F "*c" ab >actual &&
1468         test_cmp expected actual
1469 '
1470
1471 test_expect_success 'grep -G pattern with grep.patternType=fixed' '
1472         cat >expected <<-\EOF &&
1473         ab:a+b*c
1474         ab:a+bc
1475         EOF
1476         git \
1477                 -c grep.patterntype=fixed \
1478                 grep -G "a+b" ab >actual &&
1479         test_cmp expected actual
1480 '
1481
1482 test_expect_success 'grep -E pattern with grep.patternType=fixed' '
1483         cat >expected <<-\EOF &&
1484         ab:a+b*c
1485         ab:a+bc
1486         ab:abc
1487         EOF
1488         git \
1489                 -c grep.patterntype=fixed \
1490                 grep -E "a+" ab >actual &&
1491         test_cmp expected actual
1492 '
1493
1494 cat >expected <<EOF
1495 hello.c<RED>:<RESET>int main(int argc, const char **argv)
1496 hello.c<RED>-<RESET>{
1497 <RED>--<RESET>
1498 hello.c<RED>:<RESET>    /* char ?? */
1499 hello.c<RED>-<RESET>}
1500 <RED>--<RESET>
1501 hello_world<RED>:<RESET>Hello_world
1502 hello_world<RED>-<RESET>HeLLo_world
1503 EOF
1504
1505 test_expect_success 'grep --color, separator' '
1506         test_config color.grep.context          normal &&
1507         test_config color.grep.filename         normal &&
1508         test_config color.grep.function         normal &&
1509         test_config color.grep.linenumber       normal &&
1510         test_config color.grep.match            normal &&
1511         test_config color.grep.selected         normal &&
1512         test_config color.grep.separator        red &&
1513
1514         git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1515         test_decode_color >actual &&
1516         test_cmp expected actual
1517 '
1518
1519 cat >expected <<EOF
1520 hello.c:int main(int argc, const char **argv)
1521 hello.c:        /* char ?? */
1522
1523 hello_world:Hello_world
1524 EOF
1525
1526 test_expect_success 'grep --break' '
1527         git grep --break -e char -e lo_w hello.c hello_world >actual &&
1528         test_cmp expected actual
1529 '
1530
1531 cat >expected <<EOF
1532 hello.c:int main(int argc, const char **argv)
1533 hello.c-{
1534 --
1535 hello.c:        /* char ?? */
1536 hello.c-}
1537
1538 hello_world:Hello_world
1539 hello_world-HeLLo_world
1540 EOF
1541
1542 test_expect_success 'grep --break with context' '
1543         git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1544         test_cmp expected actual
1545 '
1546
1547 cat >expected <<EOF
1548 hello.c
1549 int main(int argc, const char **argv)
1550         /* char ?? */
1551 hello_world
1552 Hello_world
1553 EOF
1554
1555 test_expect_success 'grep --heading' '
1556         git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1557         test_cmp expected actual
1558 '
1559
1560 cat >expected <<EOF
1561 <BOLD;GREEN>hello.c<RESET>
1562 4:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
1563 8:      /* <BLACK;BYELLOW>char<RESET> ?? */
1564
1565 <BOLD;GREEN>hello_world<RESET>
1566 3:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1567 EOF
1568
1569 test_expect_success 'mimic ack-grep --group' '
1570         test_config color.grep.context          normal &&
1571         test_config color.grep.filename         "bold green" &&
1572         test_config color.grep.function         normal &&
1573         test_config color.grep.linenumber       normal &&
1574         test_config color.grep.match            "black yellow" &&
1575         test_config color.grep.selected         normal &&
1576         test_config color.grep.separator        normal &&
1577
1578         git grep --break --heading -n --color \
1579                 -e char -e lo_w hello.c hello_world |
1580         test_decode_color >actual &&
1581         test_cmp expected actual
1582 '
1583
1584 cat >expected <<EOF
1585 space: line with leading space1
1586 space: line with leading space2
1587 space: line with leading space3
1588 EOF
1589
1590 test_expect_success PCRE 'grep -E "^ "' '
1591         git grep -E "^ " space >actual &&
1592         test_cmp expected actual
1593 '
1594
1595 test_expect_success PCRE 'grep -P "^ "' '
1596         git grep -P "^ " space >actual &&
1597         test_cmp expected actual
1598 '
1599
1600 cat >expected <<EOF
1601 space-line without leading space1
1602 space: line <RED>with <RESET>leading space1
1603 space: line <RED>with <RESET>leading <RED>space2<RESET>
1604 space: line <RED>with <RESET>leading space3
1605 space:line without leading <RED>space2<RESET>
1606 EOF
1607
1608 test_expect_success 'grep --color -e A -e B with context' '
1609         test_config color.grep.context          normal &&
1610         test_config color.grep.filename         normal &&
1611         test_config color.grep.function         normal &&
1612         test_config color.grep.linenumber       normal &&
1613         test_config color.grep.matchContext     normal &&
1614         test_config color.grep.matchSelected    red &&
1615         test_config color.grep.selected         normal &&
1616         test_config color.grep.separator        normal &&
1617
1618         git grep --color=always -C2 -e "with " -e space2  space |
1619         test_decode_color >actual &&
1620         test_cmp expected actual
1621 '
1622
1623 cat >expected <<EOF
1624 space-line without leading space1
1625 space- line with leading space1
1626 space: line <RED>with <RESET>leading <RED>space2<RESET>
1627 space- line with leading space3
1628 space-line without leading space2
1629 EOF
1630
1631 test_expect_success 'grep --color -e A --and -e B with context' '
1632         test_config color.grep.context          normal &&
1633         test_config color.grep.filename         normal &&
1634         test_config color.grep.function         normal &&
1635         test_config color.grep.linenumber       normal &&
1636         test_config color.grep.matchContext     normal &&
1637         test_config color.grep.matchSelected    red &&
1638         test_config color.grep.selected         normal &&
1639         test_config color.grep.separator        normal &&
1640
1641         git grep --color=always -C2 -e "with " --and -e space2  space |
1642         test_decode_color >actual &&
1643         test_cmp expected actual
1644 '
1645
1646 cat >expected <<EOF
1647 space-line without leading space1
1648 space: line <RED>with <RESET>leading space1
1649 space- line with leading space2
1650 space: line <RED>with <RESET>leading space3
1651 space-line without leading space2
1652 EOF
1653
1654 test_expect_success 'grep --color -e A --and --not -e B with context' '
1655         test_config color.grep.context          normal &&
1656         test_config color.grep.filename         normal &&
1657         test_config color.grep.function         normal &&
1658         test_config color.grep.linenumber       normal &&
1659         test_config color.grep.matchContext     normal &&
1660         test_config color.grep.matchSelected    red &&
1661         test_config color.grep.selected         normal &&
1662         test_config color.grep.separator        normal &&
1663
1664         git grep --color=always -C2 -e "with " --and --not -e space2  space |
1665         test_decode_color >actual &&
1666         test_cmp expected actual
1667 '
1668
1669 cat >expected <<EOF
1670 hello.c-
1671 hello.c=int main(int argc, const char **argv)
1672 hello.c-{
1673 hello.c:        pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
1674 hello.c-        return 0;
1675 hello.c-        /* char ?? */
1676 hello.c-}
1677 EOF
1678
1679 test_expect_success 'grep --color -e A --and -e B -p with context' '
1680         test_config color.grep.context          normal &&
1681         test_config color.grep.filename         normal &&
1682         test_config color.grep.function         normal &&
1683         test_config color.grep.linenumber       normal &&
1684         test_config color.grep.matchContext     normal &&
1685         test_config color.grep.matchSelected    red &&
1686         test_config color.grep.selected         normal &&
1687         test_config color.grep.separator        normal &&
1688
1689         git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
1690         test_decode_color >actual &&
1691         test_cmp expected actual
1692 '
1693
1694 test_expect_success 'grep can find things only in the work tree' '
1695         : >work-tree-only &&
1696         git add work-tree-only &&
1697         test_when_finished "git rm -f work-tree-only" &&
1698         echo "find in work tree" >work-tree-only &&
1699         git grep --quiet "find in work tree" &&
1700         test_must_fail git grep --quiet --cached "find in work tree" &&
1701         test_must_fail git grep --quiet "find in work tree" HEAD
1702 '
1703
1704 test_expect_success 'grep can find things only in the work tree (i-t-a)' '
1705         echo "intend to add this" >intend-to-add &&
1706         git add -N intend-to-add &&
1707         test_when_finished "git rm -f intend-to-add" &&
1708         git grep --quiet "intend to add this" &&
1709         test_must_fail git grep --quiet --cached "intend to add this" &&
1710         test_must_fail git grep --quiet "intend to add this" HEAD
1711 '
1712
1713 test_expect_success 'grep does not search work tree with assume unchanged' '
1714         echo "intend to add this" >intend-to-add &&
1715         git add -N intend-to-add &&
1716         git update-index --assume-unchanged intend-to-add &&
1717         test_when_finished "git rm -f intend-to-add" &&
1718         test_must_fail git grep --quiet "intend to add this" &&
1719         test_must_fail git grep --quiet --cached "intend to add this" &&
1720         test_must_fail git grep --quiet "intend to add this" HEAD
1721 '
1722
1723 test_expect_success 'grep can find things only in the index' '
1724         echo "only in the index" >cache-this &&
1725         git add cache-this &&
1726         rm cache-this &&
1727         test_when_finished "git rm --cached cache-this" &&
1728         test_must_fail git grep --quiet "only in the index" &&
1729         git grep --quiet --cached "only in the index" &&
1730         test_must_fail git grep --quiet "only in the index" HEAD
1731 '
1732
1733 test_expect_success 'grep does not report i-t-a with -L --cached' '
1734         echo "intend to add this" >intend-to-add &&
1735         git add -N intend-to-add &&
1736         test_when_finished "git rm -f intend-to-add" &&
1737         git ls-files | grep -v "^intend-to-add\$" >expected &&
1738         git grep -L --cached "nonexistent_string" >actual &&
1739         test_cmp expected actual
1740 '
1741
1742 test_expect_success 'grep does not report i-t-a and assume unchanged with -L' '
1743         echo "intend to add this" >intend-to-add-assume-unchanged &&
1744         git add -N intend-to-add-assume-unchanged &&
1745         test_when_finished "git rm -f intend-to-add-assume-unchanged" &&
1746         git update-index --assume-unchanged intend-to-add-assume-unchanged &&
1747         git ls-files | grep -v "^intend-to-add-assume-unchanged\$" >expected &&
1748         git grep -L "nonexistent_string" >actual &&
1749         test_cmp expected actual
1750 '
1751
1752 test_done