t / t7810-grep.shon commit Merge branch 'jn/test-cleanup-7006' (c53d1e4)
   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 <stdio.h>
  13int main(int argc, const char **argv)
  14{
  15        printf("Hello world.\n");
  16        return 0;
  17        /* char ?? */
  18}
  19EOF
  20
  21test_expect_success setup '
  22        {
  23                echo foo mmap bar
  24                echo foo_mmap bar
  25                echo foo_mmap bar mmap
  26                echo foo mmap bar_mmap
  27                echo foo_mmap bar mmap baz
  28        } >file &&
  29        {
  30                echo Hello world
  31                echo HeLLo world
  32                echo Hello_world
  33                echo HeLLo_world
  34        } >hello_world &&
  35        {
  36                echo "a+b*c"
  37                echo "a+bc"
  38                echo "abc"
  39        } >ab &&
  40        echo vvv >v &&
  41        echo ww w >w &&
  42        echo x x xx x >x &&
  43        echo y yy >y &&
  44        echo zzz > z &&
  45        mkdir t &&
  46        echo test >t/t &&
  47        echo vvv >t/v &&
  48        mkdir t/a &&
  49        echo vvv >t/a/v &&
  50        git add . &&
  51        test_tick &&
  52        git commit -m initial
  53'
  54
  55test_expect_success 'grep should not segfault with a bad input' '
  56        test_must_fail git grep "("
  57'
  58
  59for H in HEAD ''
  60do
  61        case "$H" in
  62        HEAD)   HC='HEAD:' L='HEAD' ;;
  63        '')     HC= L='in working tree' ;;
  64        esac
  65
  66        test_expect_success "grep -w $L" '
  67                {
  68                        echo ${HC}file:1:foo mmap bar
  69                        echo ${HC}file:3:foo_mmap bar mmap
  70                        echo ${HC}file:4:foo mmap bar_mmap
  71                        echo ${HC}file:5:foo_mmap bar mmap baz
  72                } >expected &&
  73                git -c grep.linenumber=false grep -n -w -e mmap $H >actual &&
  74                test_cmp expected actual
  75        '
  76
  77        test_expect_success "grep -w $L" '
  78                {
  79                        echo ${HC}file:1:foo mmap bar
  80                        echo ${HC}file:3:foo_mmap bar mmap
  81                        echo ${HC}file:4:foo mmap bar_mmap
  82                        echo ${HC}file:5:foo_mmap bar mmap baz
  83                } >expected &&
  84                git -c grep.linenumber=true grep -w -e mmap $H >actual &&
  85                test_cmp expected actual
  86        '
  87
  88        test_expect_success "grep -w $L" '
  89                {
  90                        echo ${HC}file:foo mmap bar
  91                        echo ${HC}file:foo_mmap bar mmap
  92                        echo ${HC}file:foo mmap bar_mmap
  93                        echo ${HC}file:foo_mmap bar mmap baz
  94                } >expected &&
  95                git -c grep.linenumber=true grep --no-line-number -w -e mmap $H >actual &&
  96                test_cmp expected actual
  97        '
  98
  99        test_expect_success "grep -w $L (w)" '
 100                : >expected &&
 101                test_must_fail git grep -n -w -e "^w" >actual &&
 102                test_cmp expected actual
 103        '
 104
 105        test_expect_success "grep -w $L (x)" '
 106                {
 107                        echo ${HC}x:1:x x xx x
 108                } >expected &&
 109                git grep -n -w -e "x xx* x" $H >actual &&
 110                test_cmp expected actual
 111        '
 112
 113        test_expect_success "grep -w $L (y-1)" '
 114                {
 115                        echo ${HC}y:1:y yy
 116                } >expected &&
 117                git grep -n -w -e "^y" $H >actual &&
 118                test_cmp expected actual
 119        '
 120
 121        test_expect_success "grep -w $L (y-2)" '
 122                : >expected &&
 123                if git grep -n -w -e "^y y" $H >actual
 124                then
 125                        echo should not have matched
 126                        cat actual
 127                        false
 128                else
 129                        test_cmp expected actual
 130                fi
 131        '
 132
 133        test_expect_success "grep -w $L (z)" '
 134                : >expected &&
 135                if git grep -n -w -e "^z" $H >actual
 136                then
 137                        echo should not have matched
 138                        cat actual
 139                        false
 140                else
 141                        test_cmp expected actual
 142                fi
 143        '
 144
 145        test_expect_success "grep $L (t-1)" '
 146                echo "${HC}t/t:1:test" >expected &&
 147                git grep -n -e test $H >actual &&
 148                test_cmp expected actual
 149        '
 150
 151        test_expect_success "grep $L (t-2)" '
 152                echo "${HC}t:1:test" >expected &&
 153                (
 154                        cd t &&
 155                        git grep -n -e test $H
 156                ) >actual &&
 157                test_cmp expected actual
 158        '
 159
 160        test_expect_success "grep $L (t-3)" '
 161                echo "${HC}t/t:1:test" >expected &&
 162                (
 163                        cd t &&
 164                        git grep --full-name -n -e test $H
 165                ) >actual &&
 166                test_cmp expected actual
 167        '
 168
 169        test_expect_success "grep -c $L (no /dev/null)" '
 170                ! git grep -c test $H | grep /dev/null
 171        '
 172
 173        test_expect_success "grep --max-depth -1 $L" '
 174                {
 175                        echo ${HC}t/a/v:1:vvv
 176                        echo ${HC}t/v:1:vvv
 177                        echo ${HC}v:1:vvv
 178                } >expected &&
 179                git grep --max-depth -1 -n -e vvv $H >actual &&
 180                test_cmp expected actual
 181        '
 182
 183        test_expect_success "grep --max-depth 0 $L" '
 184                {
 185                        echo ${HC}v:1:vvv
 186                } >expected &&
 187                git grep --max-depth 0 -n -e vvv $H >actual &&
 188                test_cmp expected actual
 189        '
 190
 191        test_expect_success "grep --max-depth 0 -- '*' $L" '
 192                {
 193                        echo ${HC}t/a/v:1:vvv
 194                        echo ${HC}t/v:1:vvv
 195                        echo ${HC}v:1:vvv
 196                } >expected &&
 197                git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 198                test_cmp expected actual
 199        '
 200
 201        test_expect_success "grep --max-depth 1 $L" '
 202                {
 203                        echo ${HC}t/v:1:vvv
 204                        echo ${HC}v:1:vvv
 205                } >expected &&
 206                git grep --max-depth 1 -n -e vvv $H >actual &&
 207                test_cmp expected actual
 208        '
 209
 210        test_expect_success "grep --max-depth 0 -- t $L" '
 211                {
 212                        echo ${HC}t/v:1:vvv
 213                } >expected &&
 214                git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 215                test_cmp expected actual
 216        '
 217
 218        test_expect_success "grep --max-depth 0 -- . t $L" '
 219                {
 220                        echo ${HC}t/v:1:vvv
 221                        echo ${HC}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        test_expect_success "grep $L with grep.extendedRegexp=false" '
 236                echo "ab:a+bc" >expected &&
 237                git -c grep.extendedRegexp=false grep "a+b*c" ab >actual &&
 238                test_cmp expected actual
 239        '
 240
 241        test_expect_success "grep $L with grep.extendedRegexp=true" '
 242                echo "ab:abc" >expected &&
 243                git -c grep.extendedRegexp=true grep "a+b*c" ab >actual &&
 244                test_cmp expected actual
 245        '
 246done
 247
 248cat >expected <<EOF
 249file:foo mmap bar_mmap
 250EOF
 251
 252test_expect_success 'grep -e A --and -e B' '
 253        git grep -e "foo mmap" --and -e bar_mmap >actual &&
 254        test_cmp expected actual
 255'
 256
 257cat >expected <<EOF
 258file:foo_mmap bar mmap
 259file:foo_mmap bar mmap baz
 260EOF
 261
 262
 263test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 264        git grep \( -e foo_ --or -e baz \) \
 265                --and -e " mmap" >actual &&
 266        test_cmp expected actual
 267'
 268
 269cat >expected <<EOF
 270file:foo mmap bar
 271EOF
 272
 273test_expect_success 'grep -e A --and --not -e B' '
 274        git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 275        test_cmp expected actual
 276'
 277
 278test_expect_success 'grep should ignore GREP_OPTIONS' '
 279        GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 280        test_cmp expected actual
 281'
 282
 283test_expect_success 'grep -f, non-existent file' '
 284        test_must_fail git grep -f patterns
 285'
 286
 287cat >expected <<EOF
 288file:foo mmap bar
 289file:foo_mmap bar
 290file:foo_mmap bar mmap
 291file:foo mmap bar_mmap
 292file:foo_mmap bar mmap baz
 293EOF
 294
 295cat >pattern <<EOF
 296mmap
 297EOF
 298
 299test_expect_success 'grep -f, one pattern' '
 300        git grep -f pattern >actual &&
 301        test_cmp expected actual
 302'
 303
 304cat >expected <<EOF
 305file:foo mmap bar
 306file:foo_mmap bar
 307file:foo_mmap bar mmap
 308file:foo mmap bar_mmap
 309file:foo_mmap bar mmap baz
 310t/a/v:vvv
 311t/v:vvv
 312v:vvv
 313EOF
 314
 315cat >patterns <<EOF
 316mmap
 317vvv
 318EOF
 319
 320test_expect_success 'grep -f, multiple patterns' '
 321        git grep -f patterns >actual &&
 322        test_cmp expected actual
 323'
 324
 325cat >expected <<EOF
 326file:foo mmap bar
 327file:foo_mmap bar
 328file:foo_mmap bar mmap
 329file:foo mmap bar_mmap
 330file:foo_mmap bar mmap baz
 331t/a/v:vvv
 332t/v:vvv
 333v:vvv
 334EOF
 335
 336cat >patterns <<EOF
 337
 338mmap
 339
 340vvv
 341
 342EOF
 343
 344test_expect_success 'grep -f, ignore empty lines' '
 345        git grep -f patterns >actual &&
 346        test_cmp expected actual
 347'
 348
 349test_expect_success 'grep -f, ignore empty lines, read patterns from stdin' '
 350        git grep -f - <patterns >actual &&
 351        test_cmp expected actual
 352'
 353
 354cat >expected <<EOF
 355y:y yy
 356--
 357z:zzz
 358EOF
 359
 360test_expect_success 'grep -q, silently report matches' '
 361        >empty &&
 362        git grep -q mmap >actual &&
 363        test_cmp empty actual &&
 364        test_must_fail git grep -q qfwfq >actual &&
 365        test_cmp empty actual
 366'
 367
 368# Create 1024 file names that sort between "y" and "z" to make sure
 369# the two files are handled by different calls to an external grep.
 370# This depends on MAXARGS in builtin-grep.c being 1024 or less.
 371c32="0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v"
 372test_expect_success 'grep -C1, hunk mark between files' '
 373        for a in $c32; do for b in $c32; do : >y-$a$b; done; done &&
 374        git add y-?? &&
 375        git grep -C1 "^[yz]" >actual &&
 376        test_cmp expected actual
 377'
 378
 379test_expect_success 'grep -C1 hunk mark between files' '
 380        git grep -C1 "^[yz]" >actual &&
 381        test_cmp expected actual
 382'
 383
 384test_expect_success 'log grep setup' '
 385        echo a >>file &&
 386        test_tick &&
 387        GIT_AUTHOR_NAME="With * Asterisk" \
 388        GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 389        git commit -a -m "second" &&
 390
 391        echo a >>file &&
 392        test_tick &&
 393        git commit -a -m "third" &&
 394
 395        echo a >>file &&
 396        test_tick &&
 397        GIT_AUTHOR_NAME="Night Fall" \
 398        GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
 399        git commit -a -m "fourth"
 400'
 401
 402test_expect_success 'log grep (1)' '
 403        git log --author=author --pretty=tformat:%s >actual &&
 404        ( echo third ; echo initial ) >expect &&
 405        test_cmp expect actual
 406'
 407
 408test_expect_success 'log grep (2)' '
 409        git log --author=" * " -F --pretty=tformat:%s >actual &&
 410        ( echo second ) >expect &&
 411        test_cmp expect actual
 412'
 413
 414test_expect_success 'log grep (3)' '
 415        git log --author="^A U" --pretty=tformat:%s >actual &&
 416        ( echo third ; echo initial ) >expect &&
 417        test_cmp expect actual
 418'
 419
 420test_expect_success 'log grep (4)' '
 421        git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 422        ( echo second ) >expect &&
 423        test_cmp expect actual
 424'
 425
 426test_expect_success 'log grep (5)' '
 427        git log --author=Thor -F --pretty=tformat:%s >actual &&
 428        ( echo third ; echo initial ) >expect &&
 429        test_cmp expect actual
 430'
 431
 432test_expect_success 'log grep (6)' '
 433        git log --author=-0700  --pretty=tformat:%s >actual &&
 434        >expect &&
 435        test_cmp expect actual
 436'
 437
 438test_expect_success 'log --grep --author implicitly uses all-match' '
 439        # grep matches initial and second but not third
 440        # author matches only initial and third
 441        git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 442        echo initial >expect &&
 443        test_cmp expect actual
 444'
 445
 446test_expect_success 'log with multiple --author uses union' '
 447        git log --author="Thor" --author="Aster" --format=%s >actual &&
 448        {
 449            echo third && echo second && echo initial
 450        } >expect &&
 451        test_cmp expect actual
 452'
 453
 454test_expect_success 'log with --grep and multiple --author uses all-match' '
 455        git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
 456        {
 457            echo third && echo initial
 458        } >expect &&
 459        test_cmp expect actual
 460'
 461
 462test_expect_success 'log with --grep and multiple --author uses all-match' '
 463        git log --author="Thor" --author="Night" --grep=q --format=%s >actual &&
 464        >expect &&
 465        test_cmp expect actual
 466'
 467
 468test_expect_success 'grep with CE_VALID file' '
 469        git update-index --assume-unchanged t/t &&
 470        rm t/t &&
 471        test "$(git grep test)" = "t/t:test" &&
 472        git update-index --no-assume-unchanged t/t &&
 473        git checkout t/t
 474'
 475
 476cat >expected <<EOF
 477hello.c=#include <stdio.h>
 478hello.c:        return 0;
 479EOF
 480
 481test_expect_success 'grep -p with userdiff' '
 482        git config diff.custom.funcname "^#" &&
 483        echo "hello.c diff=custom" >.gitattributes &&
 484        git grep -p return >actual &&
 485        test_cmp expected actual
 486'
 487
 488cat >expected <<EOF
 489hello.c=int main(int argc, const char **argv)
 490hello.c:        return 0;
 491EOF
 492
 493test_expect_success 'grep -p' '
 494        rm -f .gitattributes &&
 495        git grep -p return >actual &&
 496        test_cmp expected actual
 497'
 498
 499cat >expected <<EOF
 500hello.c-#include <stdio.h>
 501hello.c=int main(int argc, const char **argv)
 502hello.c-{
 503hello.c-        printf("Hello world.\n");
 504hello.c:        return 0;
 505EOF
 506
 507test_expect_success 'grep -p -B5' '
 508        git grep -p -B5 return >actual &&
 509        test_cmp expected actual
 510'
 511
 512cat >expected <<EOF
 513hello.c=int main(int argc, const char **argv)
 514hello.c-{
 515hello.c-        printf("Hello world.\n");
 516hello.c:        return 0;
 517hello.c-        /* char ?? */
 518hello.c-}
 519EOF
 520
 521test_expect_success 'grep -W' '
 522        git grep -W return >actual &&
 523        test_cmp expected actual
 524'
 525
 526test_expect_success 'grep from a subdirectory to search wider area (1)' '
 527        mkdir -p s &&
 528        (
 529                cd s && git grep "x x x" ..
 530        )
 531'
 532
 533test_expect_success 'grep from a subdirectory to search wider area (2)' '
 534        mkdir -p s &&
 535        (
 536                cd s || exit 1
 537                ( git grep xxyyzz .. >out ; echo $? >status )
 538                ! test -s out &&
 539                test 1 = $(cat status)
 540        )
 541'
 542
 543cat >expected <<EOF
 544hello.c:int main(int argc, const char **argv)
 545EOF
 546
 547test_expect_success 'grep -Fi' '
 548        git grep -Fi "CHAR *" >actual &&
 549        test_cmp expected actual
 550'
 551
 552test_expect_success 'outside of git repository' '
 553        rm -fr non &&
 554        mkdir -p non/git/sub &&
 555        echo hello >non/git/file1 &&
 556        echo world >non/git/sub/file2 &&
 557        {
 558                echo file1:hello &&
 559                echo sub/file2:world
 560        } >non/expect.full &&
 561        echo file2:world >non/expect.sub &&
 562        (
 563                GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 564                export GIT_CEILING_DIRECTORIES &&
 565                cd non/git &&
 566                test_must_fail git grep o &&
 567                git grep --no-index o >../actual.full &&
 568                test_cmp ../expect.full ../actual.full
 569                cd sub &&
 570                test_must_fail git grep o &&
 571                git grep --no-index o >../../actual.sub &&
 572                test_cmp ../../expect.sub ../../actual.sub
 573        ) &&
 574
 575        echo ".*o*" >non/git/.gitignore &&
 576        (
 577                GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
 578                export GIT_CEILING_DIRECTORIES &&
 579                cd non/git &&
 580                test_must_fail git grep o &&
 581                git grep --no-index --exclude-standard o >../actual.full &&
 582                test_cmp ../expect.full ../actual.full &&
 583
 584                {
 585                        echo ".gitignore:.*o*"
 586                        cat ../expect.full
 587                } >../expect.with.ignored &&
 588                git grep --no-index --no-exclude o >../actual.full &&
 589                test_cmp ../expect.with.ignored ../actual.full
 590        )
 591'
 592
 593test_expect_success 'inside git repository but with --no-index' '
 594        rm -fr is &&
 595        mkdir -p is/git/sub &&
 596        echo hello >is/git/file1 &&
 597        echo world >is/git/sub/file2 &&
 598        echo ".*o*" >is/git/.gitignore &&
 599        {
 600                echo file1:hello &&
 601                echo sub/file2:world
 602        } >is/expect.unignored &&
 603        {
 604                echo ".gitignore:.*o*" &&
 605                cat is/expect.unignored
 606        } >is/expect.full &&
 607        : >is/expect.empty &&
 608        echo file2:world >is/expect.sub &&
 609        (
 610                cd is/git &&
 611                git init &&
 612                test_must_fail git grep o >../actual.full &&
 613                test_cmp ../expect.empty ../actual.full &&
 614
 615                git grep --untracked o >../actual.unignored &&
 616                test_cmp ../expect.unignored ../actual.unignored &&
 617
 618                git grep --no-index o >../actual.full &&
 619                test_cmp ../expect.full ../actual.full &&
 620
 621                git grep --no-index --exclude-standard o >../actual.unignored &&
 622                test_cmp ../expect.unignored ../actual.unignored &&
 623
 624                cd sub &&
 625                test_must_fail git grep o >../../actual.sub &&
 626                test_cmp ../../expect.empty ../../actual.sub &&
 627
 628                git grep --no-index o >../../actual.sub &&
 629                test_cmp ../../expect.sub ../../actual.sub &&
 630
 631                git grep --untracked o >../../actual.sub &&
 632                test_cmp ../../expect.sub ../../actual.sub
 633        )
 634'
 635
 636test_expect_success 'setup double-dash tests' '
 637cat >double-dash <<EOF &&
 638--
 639->
 640other
 641EOF
 642git add double-dash
 643'
 644
 645cat >expected <<EOF
 646double-dash:->
 647EOF
 648test_expect_success 'grep -- pattern' '
 649        git grep -- "->" >actual &&
 650        test_cmp expected actual
 651'
 652test_expect_success 'grep -- pattern -- pathspec' '
 653        git grep -- "->" -- double-dash >actual &&
 654        test_cmp expected actual
 655'
 656test_expect_success 'grep -e pattern -- path' '
 657        git grep -e "->" -- double-dash >actual &&
 658        test_cmp expected actual
 659'
 660
 661cat >expected <<EOF
 662double-dash:--
 663EOF
 664test_expect_success 'grep -e -- -- path' '
 665        git grep -e -- -- double-dash >actual &&
 666        test_cmp expected actual
 667'
 668
 669cat >expected <<EOF
 670hello.c:int main(int argc, const char **argv)
 671hello.c:        printf("Hello world.\n");
 672EOF
 673
 674test_expect_success LIBPCRE 'grep --perl-regexp pattern' '
 675        git grep --perl-regexp "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 676        test_cmp expected actual
 677'
 678
 679test_expect_success LIBPCRE 'grep -P pattern' '
 680        git grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 681        test_cmp expected actual
 682'
 683
 684test_expect_success 'grep pattern with grep.extendedRegexp=true' '
 685        >empty &&
 686        test_must_fail git -c grep.extendedregexp=true \
 687                grep "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 688        test_cmp empty actual
 689'
 690
 691test_expect_success LIBPCRE 'grep -P pattern with grep.extendedRegexp=true' '
 692        git -c grep.extendedregexp=true \
 693                grep -P "\p{Ps}.*?\p{Pe}" hello.c >actual &&
 694        test_cmp expected actual
 695'
 696
 697test_expect_success LIBPCRE 'grep -P -v pattern' '
 698        {
 699                echo "ab:a+b*c"
 700                echo "ab:a+bc"
 701        } >expected &&
 702        git grep -P -v "abc" ab >actual &&
 703        test_cmp expected actual
 704'
 705
 706test_expect_success LIBPCRE 'grep -P -i pattern' '
 707        cat >expected <<-EOF &&
 708        hello.c:        printf("Hello world.\n");
 709        EOF
 710        git grep -P -i "PRINTF\([^\d]+\)" hello.c >actual &&
 711        test_cmp expected actual
 712'
 713
 714test_expect_success LIBPCRE 'grep -P -w pattern' '
 715        {
 716                echo "hello_world:Hello world"
 717                echo "hello_world:HeLLo world"
 718        } >expected &&
 719        git grep -P -w "He((?i)ll)o" hello_world >actual &&
 720        test_cmp expected actual
 721'
 722
 723test_expect_success 'grep -G invalidpattern properly dies ' '
 724        test_must_fail git grep -G "a["
 725'
 726
 727test_expect_success 'grep -E invalidpattern properly dies ' '
 728        test_must_fail git grep -E "a["
 729'
 730
 731test_expect_success LIBPCRE 'grep -P invalidpattern properly dies ' '
 732        test_must_fail git grep -P "a["
 733'
 734
 735test_expect_success 'grep -G -E -F pattern' '
 736        echo "ab:a+b*c" >expected &&
 737        git grep -G -E -F "a+b*c" ab >actual &&
 738        test_cmp expected actual
 739'
 740
 741test_expect_success 'grep -E -F -G pattern' '
 742        echo "ab:a+bc" >expected &&
 743        git grep -E -F -G "a+b*c" ab >actual &&
 744        test_cmp expected actual
 745'
 746
 747test_expect_success 'grep -F -G -E pattern' '
 748        echo "ab:abc" >expected &&
 749        git grep -F -G -E "a+b*c" ab >actual &&
 750        test_cmp expected actual
 751'
 752
 753test_expect_success 'grep -G -F -P -E pattern' '
 754        >empty &&
 755        test_must_fail git grep -G -F -P -E "a\x{2b}b\x{2a}c" ab >actual &&
 756        test_cmp empty actual
 757'
 758
 759test_expect_success LIBPCRE 'grep -G -F -E -P pattern' '
 760        echo "ab:a+b*c" >expected &&
 761        git grep -G -F -E -P "a\x{2b}b\x{2a}c" ab >actual &&
 762        test_cmp expected actual
 763'
 764
 765test_config() {
 766        git config "$1" "$2" &&
 767        test_when_finished "git config --unset $1"
 768}
 769
 770cat >expected <<EOF
 771hello.c<RED>:<RESET>int main(int argc, const char **argv)
 772hello.c<RED>-<RESET>{
 773<RED>--<RESET>
 774hello.c<RED>:<RESET>    /* char ?? */
 775hello.c<RED>-<RESET>}
 776<RED>--<RESET>
 777hello_world<RED>:<RESET>Hello_world
 778hello_world<RED>-<RESET>HeLLo_world
 779EOF
 780
 781test_expect_success 'grep --color, separator' '
 782        test_config color.grep.context          normal &&
 783        test_config color.grep.filename         normal &&
 784        test_config color.grep.function         normal &&
 785        test_config color.grep.linenumber       normal &&
 786        test_config color.grep.match            normal &&
 787        test_config color.grep.selected         normal &&
 788        test_config color.grep.separator        red &&
 789
 790        git grep --color=always -A1 -e char -e lo_w hello.c hello_world |
 791        test_decode_color >actual &&
 792        test_cmp expected actual
 793'
 794
 795cat >expected <<EOF
 796hello.c:int main(int argc, const char **argv)
 797hello.c:        /* char ?? */
 798
 799hello_world:Hello_world
 800EOF
 801
 802test_expect_success 'grep --break' '
 803        git grep --break -e char -e lo_w hello.c hello_world >actual &&
 804        test_cmp expected actual
 805'
 806
 807cat >expected <<EOF
 808hello.c:int main(int argc, const char **argv)
 809hello.c-{
 810--
 811hello.c:        /* char ?? */
 812hello.c-}
 813
 814hello_world:Hello_world
 815hello_world-HeLLo_world
 816EOF
 817
 818test_expect_success 'grep --break with context' '
 819        git grep --break -A1 -e char -e lo_w hello.c hello_world >actual &&
 820        test_cmp expected actual
 821'
 822
 823cat >expected <<EOF
 824hello.c
 825int main(int argc, const char **argv)
 826        /* char ?? */
 827hello_world
 828Hello_world
 829EOF
 830
 831test_expect_success 'grep --heading' '
 832        git grep --heading -e char -e lo_w hello.c hello_world >actual &&
 833        test_cmp expected actual
 834'
 835
 836cat >expected <<EOF
 837<BOLD;GREEN>hello.c<RESET>
 8382:int main(int argc, const <BLACK;BYELLOW>char<RESET> **argv)
 8396:      /* <BLACK;BYELLOW>char<RESET> ?? */
 840
 841<BOLD;GREEN>hello_world<RESET>
 8423:Hel<BLACK;BYELLOW>lo_w<RESET>orld
 843EOF
 844
 845test_expect_success 'mimic ack-grep --group' '
 846        test_config color.grep.context          normal &&
 847        test_config color.grep.filename         "bold green" &&
 848        test_config color.grep.function         normal &&
 849        test_config color.grep.linenumber       normal &&
 850        test_config color.grep.match            "black yellow" &&
 851        test_config color.grep.selected         normal &&
 852        test_config color.grep.separator        normal &&
 853
 854        git grep --break --heading -n --color \
 855                -e char -e lo_w hello.c hello_world |
 856        test_decode_color >actual &&
 857        test_cmp expected actual
 858'
 859
 860test_done