t / t7810-grep.shon commit Merge branch 'vs/prompt-avoid-unset-variable' (be09966)
   1#!/bin/sh
   2#
   3# Copyright (c) 2006 Junio C Hamano
   4#
   5
   6test_description='git grep various.
   7'
   8
   9. ./test-lib.sh
  10
  11cat >hello.c <<EOF
  12#include <assert.h>
  13#include <stdio.h>
  14
  15int main(int argc, const char **argv)
  16{
  17        printf("Hello world.\n");
  18        return 0;
  19        /* char ?? */
  20}
  21EOF
  22
  23test_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        echo vvv >v &&
  43        echo ww w >w &&
  44        echo x x xx x >x &&
  45        echo y yy >y &&
  46        echo zzz > z &&
  47        mkdir t &&
  48        echo test >t/t &&
  49        echo vvv >t/v &&
  50        mkdir t/a &&
  51        echo vvv >t/a/v &&
  52        {
  53                echo "line without leading space1"
  54                echo " line with leading space1"
  55                echo " line with leading space2"
  56                echo " line with leading space3"
  57                echo "line without leading space2"
  58        } >space &&
  59        git add . &&
  60        test_tick &&
  61        git commit -m initial
  62'
  63
  64test_expect_success 'grep should not segfault with a bad input' '
  65        test_must_fail git grep "("
  66'
  67
  68for H in HEAD ''
  69do
  70        case "$H" in
  71        HEAD)   HC='HEAD:' L='HEAD' ;;
  72        '')     HC= L='in working tree' ;;
  73        esac
  74
  75        test_expect_success "grep -w $L" '
  76                {
  77                        echo ${HC}file:1:foo mmap bar
  78                        echo ${HC}file:3:foo_mmap bar mmap
  79                        echo ${HC}file:4:foo mmap bar_mmap
  80                        echo ${HC}file:5:foo_mmap bar mmap baz
  81                } >expected &&
  82                git -c grep.linenumber=false grep -n -w -e mmap $H >actual &&
  83                test_cmp expected actual
  84        '
  85
  86        test_expect_success "grep -w $L" '
  87                {
  88                        echo ${HC}file:1:foo mmap bar
  89                        echo ${HC}file:3:foo_mmap bar mmap
  90                        echo ${HC}file:4:foo mmap bar_mmap
  91                        echo ${HC}file:5:foo_mmap bar mmap baz
  92                } >expected &&
  93                git -c grep.linenumber=true grep -w -e mmap $H >actual &&
  94                test_cmp expected actual
  95        '
  96
  97        test_expect_success "grep -w $L" '
  98                {
  99                        echo ${HC}file:foo mmap bar
 100                        echo ${HC}file:foo_mmap bar mmap
 101                        echo ${HC}file:foo mmap bar_mmap
 102                        echo ${HC}file:foo_mmap bar mmap baz
 103                } >expected &&
 104                git -c grep.linenumber=true grep --no-line-number -w -e mmap $H >actual &&
 105                test_cmp expected actual
 106        '
 107
 108        test_expect_success "grep -w $L (w)" '
 109                : >expected &&
 110                test_must_fail git grep -n -w -e "^w" $H >actual &&
 111                test_cmp expected actual
 112        '
 113
 114        test_expect_success "grep -w $L (x)" '
 115                {
 116                        echo ${HC}x:1:x x xx x
 117                } >expected &&
 118                git grep -n -w -e "x xx* x" $H >actual &&
 119                test_cmp expected actual
 120        '
 121
 122        test_expect_success "grep -w $L (y-1)" '
 123                {
 124                        echo ${HC}y:1:y yy
 125                } >expected &&
 126                git grep -n -w -e "^y" $H >actual &&
 127                test_cmp expected actual
 128        '
 129
 130        test_expect_success "grep -w $L (y-2)" '
 131                : >expected &&
 132                if git grep -n -w -e "^y y" $H >actual
 133                then
 134                        echo should not have matched
 135                        cat actual
 136                        false
 137                else
 138                        test_cmp expected actual
 139                fi
 140        '
 141
 142        test_expect_success "grep -w $L (z)" '
 143                : >expected &&
 144                if git grep -n -w -e "^z" $H >actual
 145                then
 146                        echo should not have matched
 147                        cat actual
 148                        false
 149                else
 150                        test_cmp expected actual
 151                fi
 152        '
 153
 154        test_expect_success "grep $L (t-1)" '
 155                echo "${HC}t/t:1:test" >expected &&
 156                git grep -n -e test $H >actual &&
 157                test_cmp expected actual
 158        '
 159
 160        test_expect_success "grep $L (t-2)" '
 161                echo "${HC}t:1:test" >expected &&
 162                (
 163                        cd t &&
 164                        git grep -n -e test $H
 165                ) >actual &&
 166                test_cmp expected actual
 167        '
 168
 169        test_expect_success "grep $L (t-3)" '
 170                echo "${HC}t/t:1:test" >expected &&
 171                (
 172                        cd t &&
 173                        git grep --full-name -n -e test $H
 174                ) >actual &&
 175                test_cmp expected actual
 176        '
 177
 178        test_expect_success "grep -c $L (no /dev/null)" '
 179                ! git grep -c test $H | grep /dev/null
 180        '
 181
 182        test_expect_success "grep --max-depth -1 $L" '
 183                {
 184                        echo ${HC}t/a/v:1:vvv
 185                        echo ${HC}t/v:1:vvv
 186                        echo ${HC}v:1:vvv
 187                } >expected &&
 188                git grep --max-depth -1 -n -e vvv $H >actual &&
 189                test_cmp expected actual
 190        '
 191
 192        test_expect_success "grep --max-depth 0 $L" '
 193                {
 194                        echo ${HC}v:1:vvv
 195                } >expected &&
 196                git grep --max-depth 0 -n -e vvv $H >actual &&
 197                test_cmp expected actual
 198        '
 199
 200        test_expect_success "grep --max-depth 0 -- '*' $L" '
 201                {
 202                        echo ${HC}t/a/v:1:vvv
 203                        echo ${HC}t/v:1:vvv
 204                        echo ${HC}v:1:vvv
 205                } >expected &&
 206                git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 207                test_cmp expected actual
 208        '
 209
 210        test_expect_success "grep --max-depth 1 $L" '
 211                {
 212                        echo ${HC}t/v:1:vvv
 213                        echo ${HC}v:1:vvv
 214                } >expected &&
 215                git grep --max-depth 1 -n -e vvv $H >actual &&
 216                test_cmp expected actual
 217        '
 218
 219        test_expect_success "grep --max-depth 0 -- t $L" '
 220                {
 221                        echo ${HC}t/v:1:vvv
 222                } >expected &&
 223                git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 224                test_cmp expected actual
 225        '
 226
 227        test_expect_success "grep --max-depth 0 -- . t $L" '
 228                {
 229                        echo ${HC}t/v:1:vvv
 230                        echo ${HC}v:1:vvv
 231                } >expected &&
 232                git grep --max-depth 0 -n -e vvv $H -- . t >actual &&
 233                test_cmp expected actual
 234        '
 235
 236        test_expect_success "grep --max-depth 0 -- t . $L" '
 237                {
 238                        echo ${HC}t/v:1:vvv
 239                        echo ${HC}v:1:vvv
 240                } >expected &&
 241                git grep --max-depth 0 -n -e vvv $H -- t . >actual &&
 242                test_cmp expected actual
 243        '
 244        test_expect_success "grep $L with grep.extendedRegexp=false" '
 245                echo "${HC}ab:a+bc" >expected &&
 246                git -c grep.extendedRegexp=false grep "a+b*c" $H ab >actual &&
 247                test_cmp expected actual
 248        '
 249
 250        test_expect_success "grep $L with grep.extendedRegexp=true" '
 251                echo "${HC}ab:abc" >expected &&
 252                git -c grep.extendedRegexp=true grep "a+b*c" $H ab >actual &&
 253                test_cmp expected actual
 254        '
 255
 256        test_expect_success "grep $L with grep.patterntype=basic" '
 257                echo "${HC}ab:a+bc" >expected &&
 258                git -c grep.patterntype=basic grep "a+b*c" $H ab >actual &&
 259                test_cmp expected actual
 260        '
 261
 262        test_expect_success "grep $L with grep.patterntype=extended" '
 263                echo "${HC}ab:abc" >expected &&
 264                git -c grep.patterntype=extended grep "a+b*c" $H ab >actual &&
 265                test_cmp expected actual
 266        '
 267
 268        test_expect_success "grep $L with grep.patterntype=fixed" '
 269                echo "${HC}ab:a+b*c" >expected &&
 270                git -c grep.patterntype=fixed grep "a+b*c" $H ab >actual &&
 271                test_cmp expected actual
 272        '
 273
 274        test_expect_success LIBPCRE "grep $L with grep.patterntype=perl" '
 275                echo "${HC}ab:a+b*c" >expected &&
 276                git -c grep.patterntype=perl grep "a\x{2b}b\x{2a}c" $H ab >actual &&
 277                test_cmp expected actual
 278        '
 279
 280        test_expect_success "grep $L with grep.patternType=default and grep.extendedRegexp=true" '
 281                echo "${HC}ab:abc" >expected &&
 282                git \
 283                        -c grep.patternType=default \
 284                        -c grep.extendedRegexp=true \
 285                        grep "a+b*c" $H ab >actual &&
 286                test_cmp expected actual
 287        '
 288
 289        test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=default" '
 290                echo "${HC}ab:abc" >expected &&
 291                git \
 292                        -c grep.extendedRegexp=true \
 293                        -c grep.patternType=default \
 294                        grep "a+b*c" $H ab >actual &&
 295                test_cmp expected actual
 296        '
 297
 298        test_expect_success "grep $L with grep.patternType=extended and grep.extendedRegexp=false" '
 299                echo "${HC}ab:abc" >expected &&
 300                git \
 301                        -c grep.patternType=extended \
 302                        -c grep.extendedRegexp=false \
 303                        grep "a+b*c" $H ab >actual &&
 304                test_cmp expected actual
 305        '
 306
 307        test_expect_success "grep $L with grep.patternType=basic and grep.extendedRegexp=true" '
 308                echo "${HC}ab:a+bc" >expected &&
 309                git \
 310                        -c grep.patternType=basic \
 311                        -c grep.extendedRegexp=true \
 312                        grep "a+b*c" $H ab >actual &&
 313                test_cmp expected actual
 314        '
 315
 316        test_expect_success "grep $L with grep.extendedRegexp=false and grep.patternType=extended" '
 317                echo "${HC}ab:abc" >expected &&
 318                git \
 319                        -c grep.extendedRegexp=false \
 320                        -c grep.patternType=extended \
 321                        grep "a+b*c" $H ab >actual &&
 322                test_cmp expected actual
 323        '
 324
 325        test_expect_success "grep $L with grep.extendedRegexp=true and grep.patternType=basic" '
 326                echo "${HC}ab:a+bc" >expected &&
 327                git \
 328                        -c grep.extendedRegexp=true \
 329                        -c grep.patternType=basic \
 330                        grep "a+b*c" $H ab >actual &&
 331                test_cmp expected actual
 332        '
 333
 334        test_expect_success "grep --count $L" '
 335                echo ${HC}ab:3 >expected &&
 336                git grep --count -e b $H -- ab >actual &&
 337                test_cmp expected actual
 338        '
 339
 340        test_expect_success "grep --count -h $L" '
 341                echo 3 >expected &&
 342                git grep --count -h -e b $H -- ab >actual &&
 343                test_cmp expected actual
 344        '
 345done
 346
 347cat >expected <<EOF
 348file
 349EOF
 350test_expect_success 'grep -l -C' '
 351        git grep -l -C1 foo >actual &&
 352        test_cmp expected actual
 353'
 354
 355cat >expected <<EOF
 356file:5
 357EOF
 358test_expect_success 'grep -l -C' '
 359        git grep -c -C1 foo >actual &&
 360        test_cmp expected actual
 361'
 362
 363test_expect_success 'grep -L -C' '
 364        git ls-files >expected &&
 365        git grep -L -C1 nonexistent_string >actual &&
 366        test_cmp expected actual
 367'
 368
 369cat >expected <<EOF
 370file:foo mmap bar_mmap
 371EOF
 372
 373test_expect_success 'grep -e A --and -e B' '
 374        git grep -e "foo mmap" --and -e bar_mmap >actual &&
 375        test_cmp expected actual
 376'
 377
 378cat >expected <<EOF
 379file:foo_mmap bar mmap
 380file:foo_mmap bar mmap baz
 381EOF
 382
 383
 384test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 385        git grep \( -e foo_ --or -e baz \) \
 386                --and -e " mmap" >actual &&
 387        test_cmp expected actual
 388'
 389
 390cat >expected <<EOF
 391file:foo mmap bar
 392EOF
 393
 394test_expect_success 'grep -e A --and --not -e B' '
 395        git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 396        test_cmp expected actual
 397'
 398
 399test_expect_success 'grep should ignore GREP_OPTIONS' '
 400        GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 401        test_cmp expected actual
 402'
 403
 404test_expect_success 'grep -f, non-existent file' '
 405        test_must_fail git grep -f patterns
 406'
 407
 408cat >expected <<EOF
 409file:foo mmap bar
 410file:foo_mmap bar
 411file:foo_mmap bar mmap
 412file:foo mmap bar_mmap
 413file:foo_mmap bar mmap baz
 414EOF
 415
 416cat >pattern <<EOF
 417mmap
 418EOF
 419
 420test_expect_success 'grep -f, one pattern' '
 421        git grep -f pattern >actual &&
 422        test_cmp expected actual
 423'
 424
 425cat >expected <<EOF
 426file:foo mmap bar
 427file:foo_mmap bar
 428file:foo_mmap bar mmap
 429file:foo mmap bar_mmap
 430file:foo_mmap bar mmap baz
 431t/a/v:vvv
 432t/v:vvv
 433v:vvv
 434EOF
 435
 436cat >patterns <<EOF
 437mmap
 438vvv
 439EOF
 440
 441test_expect_success 'grep -f, multiple patterns' '
 442        git grep -f patterns >actual &&
 443        test_cmp expected actual
 444'
 445
 446test_expect_success 'grep, multiple patterns' '
 447        git grep "$(cat patterns)" >actual &&
 448        test_cmp expected actual
 449'
 450
 451cat >expected <<EOF
 452file:foo mmap bar
 453file:foo_mmap bar
 454file:foo_mmap bar mmap
 455file:foo mmap bar_mmap
 456file:foo_mmap bar mmap baz
 457t/a/v:vvv
 458t/v:vvv
 459v:vvv
 460EOF
 461
 462cat >patterns <<EOF
 463
 464mmap
 465
 466vvv
 467
 468EOF
 469
 470test_expect_success 'grep -f, ignore empty lines' '
 471        git grep -f patterns >actual &&
 472        test_cmp expected actual
 473'
 474
 475test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 476        git grep -f - <patterns >actual &&
 477        test_cmp expected actual
 478'
 479
 480cat >expected <<EOF
 481y:y yy
 482--
 483z:zzz
 484EOF
 485
 486test_expect_success 'grep -q, silently report matches' '
 487        >empty &&
 488        git grep -q mmap >actual &&
 489        test_cmp empty actual &&
 490        test_must_fail git grep -q qfwfq >actual &&
 491        test_cmp empty actual
 492'
 493
 494test_expect_success 'grep -C1 hunk mark between files' '
 495        git grep -C1 "^[yz]" >actual &&
 496        test_cmp expected actual
 497'
 498
 499test_expect_success 'log grep setup' '
 500        echo a >>file &&
 501        test_tick &&
 502        GIT_AUTHOR_NAME="With * Asterisk" \
 503        GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 504        git commit -a -m "second" &&
 505
 506        echo a >>file &&
 507        test_tick &&
 508        git commit -a -m "third" &&
 509
 510        echo a >>file &&
 511        test_tick &&
 512        GIT_AUTHOR_NAME="Night Fall" \
 513        GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 514        git commit -a -m "fourth"
 515'
 516
 517test_expect_success 'log grep (1)' '
 518        git log --author=author --pretty=tformat:%s >actual &&
 519        {
 520                echo third && echo initial
 521        } >expect &&
 522        test_cmp expect actual
 523'
 524
 525test_expect_success 'log grep (2)' '
 526        git log --author=" * " -F --pretty=tformat:%s >actual &&
 527        {
 528                echo second
 529        } >expect &&
 530        test_cmp expect actual
 531'
 532
 533test_expect_success 'log grep (3)' '
 534        git log --author="^A U" --pretty=tformat:%s >actual &&
 535        {
 536                echo third && echo initial
 537        } >expect &&
 538        test_cmp expect actual
 539'
 540
 541test_expect_success 'log grep (4)' '
 542        git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 543        {
 544                echo second
 545        } >expect &&
 546        test_cmp expect actual
 547'
 548
 549test_expect_success 'log grep (5)' '
 550        git log --author=Thor -F --pretty=tformat:%s >actual &&
 551        {
 552                echo third && echo initial
 553        } >expect &&
 554        test_cmp expect actual
 555'
 556
 557test_expect_success 'log grep (6)' '
 558        git log --author=-0700  --pretty=tformat:%s >actual &&
 559        >expect &&
 560        test_cmp expect actual
 561'
 562
 563test_expect_success 'log grep (7)' '
 564        git log -g --grep-reflog="commit: third" --pretty=tformat:%s >actual &&
 565        echo third >expect &&
 566        test_cmp expect actual
 567'
 568
 569test_expect_success 'log grep (8)' '
 570        git log -g --grep-reflog="commit: third" --grep-reflog="commit: second" --pretty=tformat:%s >actual &&
 571        {
 572                echo third && echo second
 573        } >expect &&
 574        test_cmp expect actual
 575'
 576
 577test_expect_success 'log grep (9)' '
 578        git log -g --grep-reflog="commit: third" --author="Thor" --pretty=tformat:%s >actual &&
 579        echo third >expect &&
 580        test_cmp expect actual
 581'
 582
 583test_expect_success 'log grep (9)' '
 584        git log -g --grep-reflog="commit: third" --author="non-existant" --pretty=tformat:%s >actual &&
 585        : >expect &&
 586        test_cmp expect actual
 587'
 588
 589test_expect_success 'log --grep-reflog can only be used under -g' '
 590        test_must_fail git log --grep-reflog="commit: third"
 591'
 592
 593test_expect_success 'log with multiple --grep uses union' '
 594        git log --grep=i --grep=r --format=%s >actual &&
 595        {
 596                echo fourth && echo third && echo initial
 597        } >expect &&
 598        test_cmp expect actual
 599'
 600
 601test_expect_success 'log --all-match with multiple --grep uses intersection' '
 602        git log --all-match --grep=i --grep=r --format=%s >actual &&
 603        {
 604                echo third
 605        } >expect &&
 606        test_cmp expect actual
 607'
 608
 609test_expect_success 'log with multiple --author uses union' '
 610        git log --author="Thor" --author="Aster" --format=%s >actual &&
 611        {
 612            echo third && echo second && echo initial
 613        } >expect &&
 614        test_cmp expect actual
 615'
 616
 617test_expect_success 'log --all-match with multiple --author still uses union' '
 618        git log --all-match --author="Thor" --author="Aster" --format=%s >actual &&
 619        {
 620            echo third && echo second && echo initial
 621        } >expect &&
 622        test_cmp expect actual
 623'
 624
 625test_expect_success 'log --grep --author uses intersection' '
 626        # grep matches only third and fourth
 627        # author matches only initial and third
 628        git log --author="A U Thor" --grep=r --format=%s >actual &&
 629        {
 630                echo third
 631        } >expect &&
 632        test_cmp expect actual
 633'
 634
 635test_expect_success 'log --grep --grep --author takes union of greps and intersects with author' '
 636        # grep matches initial and second but not third
 637        # author matches only initial and third
 638        git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 639        {
 640                echo initial
 641        } >expect &&
 642        test_cmp expect actual
 643'
 644
 645test_expect_success 'log ---all-match -grep --author --author still takes union of authors and intersects with grep' '
 646        # grep matches only initial and third
 647        # author matches all but second
 648        git log --all-match --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 649        {
 650            echo third && echo initial
 651        } >expect &&
 652        test_cmp expect actual
 653'
 654
 655test_expect_success 'log --grep --author --author takes union of authors and intersects with grep' '
 656        # grep matches only initial and third
 657        # author matches all but second
 658        git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 659        {
 660            echo third && echo initial
 661        } >expect &&
 662        test_cmp expect actual
 663'
 664
 665test_expect_success 'log --all-match --grep --grep --author takes intersection' '
 666        # grep matches only third
 667        # author matches only initial and third
 668        git log --all-match --author="A U Thor" --grep=i --grep=r --format=%s >actual &&
 669        {
 670                echo third
 671        } >expect &&
 672        test_cmp expect actual
 673'
 674
 675test_expect_success 'log --author does not search in timestamp' '
 676        : >expect &&
 677        git log --author="$GIT_AUTHOR_DATE" >actual &&
 678        test_cmp expect actual
 679'
 680
 681test_expect_success 'log --committer does not search in timestamp' '
 682        : >expect &&
 683        git log --committer="$GIT_COMMITTER_DATE" >actual &&
 684        test_cmp expect actual
 685'
 686
 687test_expect_success 'grep with CE_VALID file' '
 688        git update-index --assume-unchanged t/t &&
 689        rm t/t &&
 690        test "$(git grep test)" = "t/t:test" &&
 691        git update-index --no-assume-unchanged t/t &&
 692        git checkout t/t
 693'
 694
 695cat >expected <<EOF
 696hello.c=#include <stdio.h>
 697hello.c:        return 0;
 698EOF
 699
 700test_expect_success 'grep -p with userdiff' '
 701        git config diff.custom.funcname "^#" &&
 702        echo "hello.c diff=custom" >.gitattributes &&
 703        git grep -p return >actual &&
 704        test_cmp expected actual
 705'
 706
 707cat >expected <<EOF
 708hello.c=int main(int argc, const char **argv)
 709hello.c:        return 0;
 710EOF
 711
 712test_expect_success 'grep -p' '
 713        rm -f .gitattributes &&
 714        git grep -p return >actual &&
 715        test_cmp expected actual
 716'
 717
 718cat >expected <<EOF
 719hello.c-#include <stdio.h>
 720hello.c-
 721hello.c=int main(int argc, const char **argv)
 722hello.c-{
 723hello.c-        printf("Hello world.\n");
 724hello.c:        return 0;
 725EOF
 726
 727test_expect_success 'grep -p -B5' '
 728        git grep -p -B5 return >actual &&
 729        test_cmp expected actual
 730'
 731
 732cat >expected <<EOF
 733hello.c=int main(int argc, const char **argv)
 734hello.c-{
 735hello.c-        printf("Hello world.\n");
 736hello.c:        return 0;
 737hello.c-        /* char ?? */
 738hello.c-}
 739EOF
 740
 741test_expect_success 'grep -W' '
 742        git grep -W return >actual &&
 743        test_cmp expected actual
 744'
 745
 746cat >expected <<EOF
 747hello.c-#include <assert.h>
 748hello.c:#include <stdio.h>
 749EOF
 750
 751test_expect_success 'grep -W shows no trailing empty lines' '
 752        git grep -W stdio >actual &&
 753        test_cmp expected actual
 754'
 755
 756cat >expected <<EOF
 757hello.c=        printf("Hello world.\n");
 758hello.c:        return 0;
 759hello.c-        /* char ?? */
 760EOF
 761
 762test_expect_success 'grep -W with userdiff' '
 763        test_when_finished "rm -f .gitattributes" &&
 764        git config diff.custom.xfuncname "(printf.*|})$" &&
 765        echo "hello.c diff=custom" >.gitattributes &&
 766        git grep -W return >actual &&
 767        test_cmp expected actual
 768'
 769
 770test_expect_success 'grep from a subdirectory to search wider area (1)' '
 771        mkdir -p s &&
 772        (
 773                cd s && git grep "x x x" ..
 774        )
 775'
 776
 777test_expect_success 'grep from a subdirectory to search wider area (2)' '
 778        mkdir -p s &&
 779        (
 780                cd s || exit 1
 781                ( git grep xxyyzz .. >out ; echo $? >status )
 782                ! test -s out &&
 783                test 1 = $(cat status)
 784        )
 785'
 786
 787cat >expected <<EOF
 788hello.c:int main(int argc, const char **argv)
 789EOF
 790
 791test_expect_success 'grep -Fi' '
 792        git grep -Fi "CHAR *" >actual &&
 793        test_cmp expected actual
 794'
 795
 796test_expect_success 'outside of git repository' '
 797        rm -fr non &&
 798        mkdir -p non/git/sub &&
 799        echo hello >non/git/file1 &&
 800        echo world >non/git/sub/file2 &&
 801        {
 802                echo file1:hello &&
 803                echo sub/file2:world
 804        } >non/expect.full &&
 805        echo file2:world >non/expect.sub &&
 806        (
 807                GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 808                export GIT_CEILING_DIRECTORIES &&
 809                cd non/git &&
 810                test_must_fail git grep o &&
 811                git grep --no-index o >../actual.full &&
 812                test_cmp ../expect.full ../actual.full &&
 813                cd sub &&
 814                test_must_fail git grep o &&
 815                git grep --no-index o >../../actual.sub &&
 816                test_cmp ../../expect.sub ../../actual.sub
 817        ) &&
 818
 819        echo ".*o*" >non/git/.gitignore &&
 820        (
 821                GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 822                export GIT_CEILING_DIRECTORIES &&
 823                cd non/git &&
 824                test_must_fail git grep o &&
 825                git grep --no-index --exclude-standard o >../actual.full &&
 826                test_cmp ../expect.full ../actual.full &&
 827
 828                {
 829                        echo ".gitignore:.*o*" &&
 830                        cat ../expect.full
 831                } >../expect.with.ignored &&
 832                git grep --no-index --no-exclude o >../actual.full &&
 833                test_cmp ../expect.with.ignored ../actual.full
 834        )
 835'
 836
 837test_expect_success 'outside of git repository with fallbackToNoIndex' '
 838        rm -fr non &&
 839        mkdir -p non/git/sub &&
 840        echo hello >non/git/file1 &&
 841        echo world >non/git/sub/file2 &&
 842        cat <<-\EOF >non/expect.full &&
 843        file1:hello
 844        sub/file2:world
 845        EOF
 846        echo file2:world >non/expect.sub &&
 847        (
 848                GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 849                export GIT_CEILING_DIRECTORIES &&
 850                cd non/git &&
 851                test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
 852                git -c grep.fallbackToNoIndex=true grep o >../actual.full &&
 853                test_cmp ../expect.full ../actual.full &&
 854                cd sub &&
 855                test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
 856                git -c grep.fallbackToNoIndex=true grep o >../../actual.sub &&
 857                test_cmp ../../expect.sub ../../actual.sub
 858        ) &&
 859
 860        echo ".*o*" >non/git/.gitignore &&
 861        (
 862                GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 863                export GIT_CEILING_DIRECTORIES &&
 864                cd non/git &&
 865                test_must_fail git -c grep.fallbackToNoIndex=false grep o &&
 866                git -c grep.fallbackToNoIndex=true grep --exclude-standard o >../actual.full &&
 867                test_cmp ../expect.full ../actual.full &&
 868
 869                {
 870                        echo ".gitignore:.*o*" &&
 871                        cat ../expect.full
 872                } >../expect.with.ignored &&
 873                git -c grep.fallbackToNoIndex grep --no-exclude o >../actual.full &&
 874                test_cmp ../expect.with.ignored ../actual.full
 875        )
 876'
 877
 878test_expect_success 'inside git repository but with --no-index' '
 879        rm -fr is &&
 880        mkdir -p is/git/sub &&
 881        echo hello >is/git/file1 &&
 882        echo world >is/git/sub/file2 &&
 883        echo ".*o*" >is/git/.gitignore &&
 884        {
 885                echo file1:hello &&
 886                echo sub/file2:world
 887        } >is/expect.unignored &&
 888        {
 889                echo ".gitignore:.*o*" &&
 890                cat is/expect.unignored
 891        } >is/expect.full &&
 892        : >is/expect.empty &&
 893        echo file2:world >is/expect.sub &&
 894        (
 895                cd is/git &&
 896                git init &&
 897                test_must_fail git grep o >../actual.full &&
 898                test_cmp ../expect.empty ../actual.full &&
 899
 900                git grep --untracked o >../actual.unignored &&
 901                test_cmp ../expect.unignored ../actual.unignored &&
 902
 903                git grep --no-index o >../actual.full &&
 904                test_cmp ../expect.full ../actual.full &&
 905
 906                git grep --no-index --exclude-standard o >../actual.unignored &&
 907                test_cmp ../expect.unignored ../actual.unignored &&
 908
 909                cd sub &&
 910                test_must_fail git grep o >../../actual.sub &&
 911                test_cmp ../../expect.empty ../../actual.sub &&
 912
 913                git grep --no-index o >../../actual.sub &&
 914                test_cmp ../../expect.sub ../../actual.sub &&
 915
 916                git grep --untracked o >../../actual.sub &&
 917                test_cmp ../../expect.sub ../../actual.sub
 918        )
 919'
 920
 921test_expect_success 'grep --no-index descends into repos, but not .git' '
 922        rm -fr non &&
 923        mkdir -p non/git &&
 924        (
 925                GIT_CEILING_DIRECTORIES="$(pwd)/non" &&
 926                export GIT_CEILING_DIRECTORIES &&
 927                cd non/git &&
 928
 929                echo magic >file &&
 930                git init repo &&
 931                (
 932                        cd repo &&
 933                        echo magic >file &&
 934                        git add file &&
 935                        git commit -m foo &&
 936                        echo magic >.git/file
 937                ) &&
 938
 939                cat >expect <<-\EOF &&
 940                file
 941                repo/file
 942                EOF
 943                git grep -l --no-index magic >actual &&
 944                test_cmp expect actual
 945        )
 946'
 947
 948test_expect_success 'setup double-dash tests' '
 949cat >double-dash <<EOF &&
 950--
 951->
 952other
 953EOF
 954git add double-dash
 955'
 956
 957cat >expected <<EOF
 958double-dash:->
 959EOF
 960test_expect_success 'grep -- pattern' '
 961        git grep -- "->" >actual &&
 962        test_cmp expected actual
 963'
 964test_expect_success 'grep -- pattern -- pathspec' '
 965        git grep -- "->" -- double-dash >actual &&
 966        test_cmp expected actual
 967'
 968test_expect_success 'grep -e pattern -- path' '
 969        git grep -e "->" -- double-dash >actual &&
 970        test_cmp expected actual
 971'
 972
 973cat >expected <<EOF
 974double-dash:--
 975EOF
 976test_expect_success 'grep -e -- -- path' '
 977        git grep -e -- -- double-dash >actual &&
 978        test_cmp expected actual
 979'
 980
 981cat >expected <<EOF
 982hello.c:int main(int argc, const char **argv)
 983hello.c:        printf("Hello world.\n");
 984EOF
 985
 986test_expect_success LIBPCRE 'grep --perl-regexp pattern' '
 987        git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 988        test_cmp expected actual
 989'
 990
 991test_expect_success LIBPCRE 'grep -P pattern' '
 992        git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 993        test_cmp expected actual
 994'
 995
 996test_expect_success 'grep pattern with grep.extendedRegexp=true' '
 997        >empty &&
 998        test_must_fail git -c grep.extendedregexp=true \
 999                grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1000        test_cmp empty actual
1001'
1002
1003test_expect_success LIBPCRE 'grep -P pattern with grep.extendedRegexp=true' '
1004        git -c grep.extendedregexp=true \
1005                grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
1006        test_cmp expected actual
1007'
1008
1009test_expect_success LIBPCRE 'grep -P -v pattern' '
1010        {
1011                echo "ab:a+b*c"
1012                echo "ab:a+bc"
1013        } >expected &&
1014        git grep -P -v "abc" ab >actual &&
1015        test_cmp expected actual
1016'
1017
1018test_expect_success LIBPCRE 'grep -P -i pattern' '
1019        cat >expected <<-EOF &&
1020        hello.c:        printf("Hello world.\n");
1021        EOF
1022        git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
1023        test_cmp expected actual
1024'
1025
1026test_expect_success LIBPCRE 'grep -P -w pattern' '
1027        {
1028                echo "hello_world:Hello world"
1029                echo "hello_world:HeLLo world"
1030        } >expected &&
1031        git grep -P -w "He((?i)ll)o" hello_world >actual &&
1032        test_cmp expected actual
1033'
1034
1035test_expect_success 'grep -G invalidpattern properly dies ' '
1036        test_must_fail git grep -G "a["
1037'
1038
1039test_expect_success 'grep invalidpattern properly dies with grep.patternType=basic' '
1040        test_must_fail git -c grep.patterntype=basic grep "a["
1041'
1042
1043test_expect_success 'grep -E invalidpattern properly dies ' '
1044        test_must_fail git grep -E "a["
1045'
1046
1047test_expect_success 'grep invalidpattern properly dies with grep.patternType=extended' '
1048        test_must_fail git -c grep.patterntype=extended grep "a["
1049'
1050
1051test_expect_success LIBPCRE 'grep -P invalidpattern properly dies ' '
1052        test_must_fail git grep -P "a["
1053'
1054
1055test_expect_success LIBPCRE 'grep invalidpattern properly dies with grep.patternType=perl' '
1056        test_must_fail git -c grep.patterntype=perl grep "a["
1057'
1058
1059test_expect_success 'grep -G -E -F pattern' '
1060        echo "ab:a+b*c" >expected &&
1061        git grep -G -E -F "a+b*c" ab >actual &&
1062        test_cmp expected actual
1063'
1064
1065test_expect_success 'grep pattern with grep.patternType=basic, =extended, =fixed' '
1066        echo "ab:a+b*c" >expected &&
1067        git \
1068                -c grep.patterntype=basic \
1069                -c grep.patterntype=extended \
1070                -c grep.patterntype=fixed \
1071                grep "a+b*c" ab >actual &&
1072        test_cmp expected actual
1073'
1074
1075test_expect_success 'grep -E -F -G pattern' '
1076        echo "ab:a+bc" >expected &&
1077        git grep -E -F -G "a+b*c" ab >actual &&
1078        test_cmp expected actual
1079'
1080
1081test_expect_success 'grep pattern with grep.patternType=extended, =fixed, =basic' '
1082        echo "ab:a+bc" >expected &&
1083        git \
1084                -c grep.patterntype=extended \
1085                -c grep.patterntype=fixed \
1086                -c grep.patterntype=basic \
1087                grep "a+b*c" ab >actual &&
1088        test_cmp expected actual
1089'
1090
1091test_expect_success 'grep -F -G -E pattern' '
1092        echo "ab:abc" >expected &&
1093        git grep -F -G -E "a+b*c" ab >actual &&
1094        test_cmp expected actual
1095'
1096
1097test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =extended' '
1098        echo "ab:abc" >expected &&
1099        git \
1100                -c grep.patterntype=fixed \
1101                -c grep.patterntype=basic \
1102                -c grep.patterntype=extended \
1103                grep "a+b*c" ab >actual &&
1104        test_cmp expected actual
1105'
1106
1107test_expect_success 'grep -G -F -P -E pattern' '
1108        >empty &&
1109        test_must_fail git grep -G -F -P -E "a\x{2b}b\x{2a}c" ab >actual &&
1110        test_cmp empty actual
1111'
1112
1113test_expect_success 'grep pattern with grep.patternType=fixed, =basic, =perl, =extended' '
1114        >empty &&
1115        test_must_fail git \
1116                -c grep.patterntype=fixed \
1117                -c grep.patterntype=basic \
1118                -c grep.patterntype=perl \
1119                -c grep.patterntype=extended \
1120                grep "a\x{2b}b\x{2a}c" ab >actual &&
1121        test_cmp empty actual
1122'
1123
1124test_expect_success LIBPCRE 'grep -G -F -E -P pattern' '
1125        echo "ab:a+b*c" >expected &&
1126        git grep -G -F -E -P "a\x{2b}b\x{2a}c" ab >actual &&
1127        test_cmp expected actual
1128'
1129
1130test_expect_success LIBPCRE 'grep pattern with grep.patternType=fixed, =basic, =extended, =perl' '
1131        echo "ab:a+b*c" >expected &&
1132        git \
1133                -c grep.patterntype=fixed \
1134                -c grep.patterntype=basic \
1135                -c grep.patterntype=extended \
1136                -c grep.patterntype=perl \
1137                grep "a\x{2b}b\x{2a}c" ab >actual &&
1138        test_cmp expected actual
1139'
1140
1141test_expect_success LIBPCRE 'grep -P pattern with grep.patternType=fixed' '
1142        echo "ab:a+b*c" >expected &&
1143        git \
1144                -c grep.patterntype=fixed \
1145                grep -P "a\x{2b}b\x{2a}c" ab >actual &&
1146        test_cmp expected actual
1147'
1148
1149test_expect_success 'grep -F pattern with grep.patternType=basic' '
1150        echo "ab:a+b*c" >expected &&
1151        git \
1152                -c grep.patterntype=basic \
1153                grep -F "*c" ab >actual &&
1154        test_cmp expected actual
1155'
1156
1157test_expect_success 'grep -G pattern with grep.patternType=fixed' '
1158        {
1159                echo "ab:a+b*c"
1160                echo "ab:a+bc"
1161        } >expected &&
1162        git \
1163                -c grep.patterntype=fixed \
1164                grep -G "a+b" ab >actual &&
1165        test_cmp expected actual
1166'
1167
1168test_expect_success 'grep -E pattern with grep.patternType=fixed' '
1169        {
1170                echo "ab:a+b*c"
1171                echo "ab:a+bc"
1172                echo "ab:abc"
1173        } >expected &&
1174        git \
1175                -c grep.patterntype=fixed \
1176                grep -E "a+" ab >actual &&
1177        test_cmp expected actual
1178'
1179
1180cat >expected <<EOF
1181hello.c<RED>:<RESET>int main(int argc, const char **argv)
1182hello.c<RED>-<RESET>{
1183<RED>--<RESET>
1184hello.c<RED>:<RESET>    /* char ?? */
1185hello.c<RED>-<RESET>}
1186<RED>--<RESET>
1187hello_world<RED>:<RESET>Hello_world
1188hello_world<RED>-<RESET>HeLLo_world
1189EOF
1190
1191test_expect_success 'grep --color, separator' '
1192        test_config color.grep.context          normal &&
1193        test_config color.grep.filename         normal &&
1194        test_config color.grep.function         normal &&
1195        test_config color.grep.linenumber       normal &&
1196        test_config color.grep.match            normal &&
1197        test_config color.grep.selected         normal &&
1198        test_config color.grep.separator        red &&
1199
1200        git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
1201        test_decode_color >actual &&
1202        test_cmp expected actual
1203'
1204
1205cat >expected <<EOF
1206hello.c:int main(int argc, const char **argv)
1207hello.c:        /* char ?? */
1208
1209hello_world:Hello_world
1210EOF
1211
1212test_expect_success 'grep --break' '
1213        git grep --break -e char -e lo_w hello.c hello_world >actual &&
1214        test_cmp expected actual
1215'
1216
1217cat >expected <<EOF
1218hello.c:int main(int argc, const char **argv)
1219hello.c-{
1220--
1221hello.c:        /* char ?? */
1222hello.c-}
1223
1224hello_world:Hello_world
1225hello_world-HeLLo_world
1226EOF
1227
1228test_expect_success 'grep --break with context' '
1229        git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
1230        test_cmp expected actual
1231'
1232
1233cat >expected <<EOF
1234hello.c
1235int main(int argc, const char **argv)
1236        /* char ?? */
1237hello_world
1238Hello_world
1239EOF
1240
1241test_expect_success 'grep --heading' '
1242        git grep --heading -e char -e lo_w hello.c hello_world >actual &&
1243        test_cmp expected actual
1244'
1245
1246cat >expected <<EOF
1247<BOLD;GREEN>hello.c<RESET>
12484:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
12498:      /* <BLACK;BYELLOW>char<RESET> ?? */
1250
1251<BOLD;GREEN>hello_world<RESET>
12523:Hel<BLACK;BYELLOW>lo_w<RESET>orld
1253EOF
1254
1255test_expect_success 'mimic ack-grep --group' '
1256        test_config color.grep.context          normal &&
1257        test_config color.grep.filename         "bold green" &&
1258        test_config color.grep.function         normal &&
1259        test_config color.grep.linenumber       normal &&
1260        test_config color.grep.match            "black yellow" &&
1261        test_config color.grep.selected         normal &&
1262        test_config color.grep.separator        normal &&
1263
1264        git grep --break --heading -n --color \
1265                -e char -e lo_w hello.c hello_world |
1266        test_decode_color >actual &&
1267        test_cmp expected actual
1268'
1269
1270cat >expected <<EOF
1271space: line with leading space1
1272space: line with leading space2
1273space: line with leading space3
1274EOF
1275
1276test_expect_success LIBPCRE 'grep -E "^ "' '
1277        git grep -E "^ " space >actual &&
1278        test_cmp expected actual
1279'
1280
1281test_expect_success LIBPCRE 'grep -P "^ "' '
1282        git grep -P "^ " space >actual &&
1283        test_cmp expected actual
1284'
1285
1286cat >expected <<EOF
1287space-line without leading space1
1288space: line <RED>with <RESET>leading space1
1289space: line <RED>with <RESET>leading <RED>space2<RESET>
1290space: line <RED>with <RESET>leading space3
1291space:line without leading <RED>space2<RESET>
1292EOF
1293
1294test_expect_success 'grep --color -e A -e B with context' '
1295        test_config color.grep.context          normal &&
1296        test_config color.grep.filename         normal &&
1297        test_config color.grep.function         normal &&
1298        test_config color.grep.linenumber       normal &&
1299        test_config color.grep.matchContext     normal &&
1300        test_config color.grep.matchSelected    red &&
1301        test_config color.grep.selected         normal &&
1302        test_config color.grep.separator        normal &&
1303
1304        git grep --color=always -C2 -e "with " -e space2  space |
1305        test_decode_color >actual &&
1306        test_cmp expected actual
1307'
1308
1309cat >expected <<EOF
1310space-line without leading space1
1311space- line with leading space1
1312space: line <RED>with <RESET>leading <RED>space2<RESET>
1313space- line with leading space3
1314space-line without leading space2
1315EOF
1316
1317test_expect_success 'grep --color -e A --and -e B with context' '
1318        test_config color.grep.context          normal &&
1319        test_config color.grep.filename         normal &&
1320        test_config color.grep.function         normal &&
1321        test_config color.grep.linenumber       normal &&
1322        test_config color.grep.matchContext     normal &&
1323        test_config color.grep.matchSelected    red &&
1324        test_config color.grep.selected         normal &&
1325        test_config color.grep.separator        normal &&
1326
1327        git grep --color=always -C2 -e "with " --and -e space2  space |
1328        test_decode_color >actual &&
1329        test_cmp expected actual
1330'
1331
1332cat >expected <<EOF
1333space-line without leading space1
1334space: line <RED>with <RESET>leading space1
1335space- line with leading space2
1336space: line <RED>with <RESET>leading space3
1337space-line without leading space2
1338EOF
1339
1340test_expect_success 'grep --color -e A --and --not -e B with context' '
1341        test_config color.grep.context          normal &&
1342        test_config color.grep.filename         normal &&
1343        test_config color.grep.function         normal &&
1344        test_config color.grep.linenumber       normal &&
1345        test_config color.grep.matchContext     normal &&
1346        test_config color.grep.matchSelected    red &&
1347        test_config color.grep.selected         normal &&
1348        test_config color.grep.separator        normal &&
1349
1350        git grep --color=always -C2 -e "with " --and --not -e space2  space |
1351        test_decode_color >actual &&
1352        test_cmp expected actual
1353'
1354
1355cat >expected <<EOF
1356hello.c-
1357hello.c=int main(int argc, const char **argv)
1358hello.c-{
1359hello.c:        pr<RED>int<RESET>f("<RED>Hello<RESET> world.\n");
1360hello.c-        return 0;
1361hello.c-        /* char ?? */
1362hello.c-}
1363EOF
1364
1365test_expect_success 'grep --color -e A --and -e B -p with context' '
1366        test_config color.grep.context          normal &&
1367        test_config color.grep.filename         normal &&
1368        test_config color.grep.function         normal &&
1369        test_config color.grep.linenumber       normal &&
1370        test_config color.grep.matchContext     normal &&
1371        test_config color.grep.matchSelected    red &&
1372        test_config color.grep.selected         normal &&
1373        test_config color.grep.separator        normal &&
1374
1375        git grep --color=always -p -C3 -e int --and -e Hello --no-index hello.c |
1376        test_decode_color >actual &&
1377        test_cmp expected actual
1378'
1379
1380test_done