8944e70e5cf6f3c483ff412b0fb68ab4d610c8ca
   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Junio C Hamano
   4#
   5# This program is free software: you can redistribute it and/or modify
   6# it under the terms of the GNU General Public License as published by
   7# the Free Software Foundation, either version 2 of the License, or
   8# (at your option) any later version.
   9#
  10# This program is distributed in the hope that it will be useful,
  11# but WITHOUT ANY WARRANTY; without even the implied warranty of
  12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13# GNU General Public License for more details.
  14#
  15# You should have received a copy of the GNU General Public License
  16# along with this program.  If not, see http://www.gnu.org/licenses/ .
  17
  18# Keep the original TERM for say_color
  19ORIGINAL_TERM=$TERM
  20
  21# Test the binaries we have just built.  The tests are kept in
  22# t/ subdirectory and are run in 'trash directory' subdirectory.
  23if test -z "$TEST_DIRECTORY"
  24then
  25        # We allow tests to override this, in case they want to run tests
  26        # outside of t/, e.g. for running tests on the test library
  27        # itself.
  28        TEST_DIRECTORY=$(pwd)
  29fi
  30if test -z "$TEST_OUTPUT_DIRECTORY"
  31then
  32        # Similarly, override this to store the test-results subdir
  33        # elsewhere
  34        TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
  35fi
  36GIT_BUILD_DIR="$TEST_DIRECTORY"/..
  37
  38################################################################
  39# It appears that people try to run tests without building...
  40"$GIT_BUILD_DIR/git" >/dev/null
  41if test $? != 1
  42then
  43        echo >&2 'error: you do not seem to have built git yet.'
  44        exit 1
  45fi
  46
  47. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
  48export PERL_PATH SHELL_PATH
  49
  50# if --tee was passed, write the output not only to the terminal, but
  51# additionally to the file test-results/$BASENAME.out, too.
  52case "$GIT_TEST_TEE_STARTED, $* " in
  53done,*)
  54        # do not redirect again
  55        ;;
  56*' --tee '*|*' --va'*)
  57        mkdir -p test-results
  58        BASE=test-results/$(basename "$0" .sh)
  59        (GIT_TEST_TEE_STARTED=done ${SHELL_PATH} "$0" "$@" 2>&1;
  60         echo $? > $BASE.exit) | tee $BASE.out
  61        test "$(cat $BASE.exit)" = 0
  62        exit
  63        ;;
  64esac
  65
  66# For repeatability, reset the environment to known value.
  67LANG=C
  68LC_ALL=C
  69PAGER=cat
  70TZ=UTC
  71TERM=dumb
  72export LANG LC_ALL PAGER TERM TZ
  73EDITOR=:
  74# A call to "unset" with no arguments causes at least Solaris 10
  75# /usr/xpg4/bin/sh and /bin/ksh to bail out.  So keep the unsets
  76# deriving from the command substitution clustered with the other
  77# ones.
  78unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
  79        my @env = keys %ENV;
  80        my $ok = join("|", qw(
  81                TRACE
  82                DEBUG
  83                USE_LOOKUP
  84                TEST
  85                .*_TEST
  86                PROVE
  87                VALGRIND
  88                UNZIP
  89                PERF_
  90        ));
  91        my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
  92        print join("\n", @vars);
  93')
  94unset XDG_CONFIG_HOME
  95GIT_AUTHOR_EMAIL=author@example.com
  96GIT_AUTHOR_NAME='A U Thor'
  97GIT_COMMITTER_EMAIL=committer@example.com
  98GIT_COMMITTER_NAME='C O Mitter'
  99GIT_MERGE_VERBOSITY=5
 100GIT_MERGE_AUTOEDIT=no
 101export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
 102export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 103export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 104export EDITOR
 105
 106# Add libc MALLOC and MALLOC_PERTURB test
 107# only if we are not executing the test with valgrind
 108if expr " $GIT_TEST_OPTS " : ".* --valgrind " >/dev/null ||
 109   test -n "$TEST_NO_MALLOC_CHECK"
 110then
 111        setup_malloc_check () {
 112                : nothing
 113        }
 114        teardown_malloc_check () {
 115                : nothing
 116        }
 117else
 118        setup_malloc_check () {
 119                MALLOC_CHECK_=3 MALLOC_PERTURB_=165
 120                export MALLOC_CHECK_ MALLOC_PERTURB_
 121        }
 122        teardown_malloc_check () {
 123                unset MALLOC_CHECK_ MALLOC_PERTURB_
 124        }
 125fi
 126
 127# Protect ourselves from common misconfiguration to export
 128# CDPATH into the environment
 129unset CDPATH
 130
 131unset GREP_OPTIONS
 132unset UNZIP
 133
 134case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
 1351|2|true)
 136        echo "* warning: Some tests will not work if GIT_TRACE" \
 137                "is set as to trace on STDERR ! *"
 138        echo "* warning: Please set GIT_TRACE to something" \
 139                "other than 1, 2 or true ! *"
 140        ;;
 141esac
 142
 143# Convenience
 144#
 145# A regexp to match 5 and 40 hexdigits
 146_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
 147_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 148
 149# Zero SHA-1
 150_z40=0000000000000000000000000000000000000000
 151
 152# Line feed
 153LF='
 154'
 155
 156export _x05 _x40 _z40 LF
 157
 158# Each test should start with something like this, after copyright notices:
 159#
 160# test_description='Description of this test...
 161# This test checks if command xyzzy does the right thing...
 162# '
 163# . ./test-lib.sh
 164[ "x$ORIGINAL_TERM" != "xdumb" ] && (
 165                TERM=$ORIGINAL_TERM &&
 166                export TERM &&
 167                [ -t 1 ] &&
 168                tput bold >/dev/null 2>&1 &&
 169                tput setaf 1 >/dev/null 2>&1 &&
 170                tput sgr0 >/dev/null 2>&1
 171        ) &&
 172        color=t
 173
 174while test "$#" -ne 0
 175do
 176        case "$1" in
 177        -d|--d|--de|--deb|--debu|--debug)
 178                debug=t; shift ;;
 179        -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 180                immediate=t; shift ;;
 181        -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 182                GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 183        -h|--h|--he|--hel|--help)
 184                help=t; shift ;;
 185        -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 186                verbose=t; shift ;;
 187        --verbose-only=*)
 188                verbose_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
 189                shift ;;
 190        -q|--q|--qu|--qui|--quie|--quiet)
 191                # Ignore --quiet under a TAP::Harness. Saying how many tests
 192                # passed without the ok/not ok details is always an error.
 193                test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
 194        --with-dashes)
 195                with_dashes=t; shift ;;
 196        --no-color)
 197                color=; shift ;;
 198        --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 199                valgrind=memcheck
 200                shift ;;
 201        --valgrind=*)
 202                valgrind=$(expr "z$1" : 'z[^=]*=\(.*\)')
 203                shift ;;
 204        --valgrind-only=*)
 205                valgrind_only=$(expr "z$1" : 'z[^=]*=\(.*\)')
 206                shift ;;
 207        --tee)
 208                shift ;; # was handled already
 209        --root=*)
 210                root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 211                shift ;;
 212        --statusprefix=*)
 213                statusprefix=$(expr "z$1" : 'z[^=]*=\(.*\)')
 214                shift ;;
 215        *)
 216                echo "error: unknown test option '$1'" >&2; exit 1 ;;
 217        esac
 218done
 219
 220if test -n "$valgrind_only"
 221then
 222        test -z "$valgrind" && valgrind=memcheck
 223        test -z "$verbose" && verbose_only="$valgrind_only"
 224elif test -n "$valgrind"
 225then
 226        verbose=t
 227fi
 228
 229if test -n "$color"
 230then
 231        say_color () {
 232                (
 233                TERM=$ORIGINAL_TERM
 234                export TERM
 235                case "$1" in
 236                error)
 237                        tput bold; tput setaf 1;; # bold red
 238                skip)
 239                        tput setaf 4;; # blue
 240                warn)
 241                        tput setaf 3;; # brown/yellow
 242                pass)
 243                        tput setaf 2;; # green
 244                info)
 245                        tput setaf 6;; # cyan
 246                *)
 247                        test -n "$quiet" && return;;
 248                esac
 249                shift
 250                printf "%s" "$*"
 251                tput sgr0
 252                echo
 253                )
 254        }
 255else
 256        say_color() {
 257                test -z "$1" && test -n "$quiet" && return
 258                shift
 259                printf "%s\n" "$*"
 260        }
 261fi
 262
 263error () {
 264        say_color error "error: $*"
 265        GIT_EXIT_OK=t
 266        exit 1
 267}
 268
 269say () {
 270        say_color info "$*"
 271}
 272
 273test "${test_description}" != "" ||
 274error "Test script did not set test_description."
 275
 276if test "$help" = "t"
 277then
 278        echo "$test_description"
 279        exit 0
 280fi
 281
 282exec 5>&1
 283exec 6<&0
 284if test "$verbose" = "t"
 285then
 286        exec 4>&2 3>&1
 287else
 288        exec 4>/dev/null 3>/dev/null
 289fi
 290
 291test_failure=0
 292test_count=0
 293test_fixed=0
 294test_broken=0
 295test_success=0
 296
 297test_external_has_tap=0
 298
 299die () {
 300        code=$?
 301        if test -n "$GIT_EXIT_OK"
 302        then
 303                exit $code
 304        else
 305                echo >&5 "FATAL: Unexpected exit with code $code"
 306                exit 1
 307        fi
 308}
 309
 310GIT_EXIT_OK=
 311trap 'die' EXIT
 312
 313# The user-facing functions are loaded from a separate file so that
 314# test_perf subshells can have them too
 315. "$TEST_DIRECTORY/test-lib-functions.sh"
 316
 317# You are not expected to call test_ok_ and test_failure_ directly, use
 318# the text_expect_* functions instead.
 319
 320test_ok_ () {
 321        test_success=$(($test_success + 1))
 322        say_color "" "${statusprefix}ok $test_count - $@"
 323}
 324
 325test_failure_ () {
 326        test_failure=$(($test_failure + 1))
 327        say_color error "${statusprefix}not ok $test_count - $1"
 328        shift
 329        echo "$@" | sed -e 's/^/#       /'
 330        test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 331}
 332
 333test_known_broken_ok_ () {
 334        test_fixed=$(($test_fixed+1))
 335        say_color error "${statusprefix}ok $test_count - $@ # TODO known breakage vanished"
 336}
 337
 338test_known_broken_failure_ () {
 339        test_broken=$(($test_broken+1))
 340        say_color warn "${statusprefix}not ok $test_count - $@ # TODO known breakage"
 341}
 342
 343test_debug () {
 344        test "$debug" = "" || eval "$1"
 345}
 346
 347match_pattern_list () {
 348        arg="$1"
 349        shift
 350        test -z "$*" && return 1
 351        for pattern_
 352        do
 353                case "$arg" in
 354                $pattern_)
 355                        return 0
 356                esac
 357        done
 358        return 1
 359}
 360
 361maybe_teardown_verbose () {
 362        test -z "$verbose_only" && return
 363        exec 4>/dev/null 3>/dev/null
 364        verbose=
 365}
 366
 367last_verbose=t
 368maybe_setup_verbose () {
 369        test -z "$verbose_only" && return
 370        if match_pattern_list $test_count $verbose_only
 371        then
 372                exec 4>&2 3>&1
 373                # Emit a delimiting blank line when going from
 374                # non-verbose to verbose.  Within verbose mode the
 375                # delimiter is printed by test_expect_*.  The choice
 376                # of the initial $last_verbose is such that before
 377                # test 1, we do not print it.
 378                test -z "$last_verbose" && echo >&3 ""
 379                verbose=t
 380        else
 381                exec 4>/dev/null 3>/dev/null
 382                verbose=
 383        fi
 384        last_verbose=$verbose
 385}
 386
 387maybe_teardown_valgrind () {
 388        test -z "$GIT_VALGRIND" && return
 389        GIT_VALGRIND_ENABLED=
 390}
 391
 392maybe_setup_valgrind () {
 393        test -z "$GIT_VALGRIND" && return
 394        if test -z "$valgrind_only"
 395        then
 396                GIT_VALGRIND_ENABLED=t
 397                return
 398        fi
 399        GIT_VALGRIND_ENABLED=
 400        if match_pattern_list $test_count $valgrind_only
 401        then
 402                GIT_VALGRIND_ENABLED=t
 403        fi
 404}
 405
 406test_eval_ () {
 407        # This is a separate function because some tests use
 408        # "return" to end a test_expect_success block early.
 409        eval </dev/null >&3 2>&4 "$*"
 410}
 411
 412test_run_ () {
 413        test_cleanup=:
 414        expecting_failure=$2
 415        setup_malloc_check
 416        test_eval_ "$1"
 417        eval_ret=$?
 418        teardown_malloc_check
 419
 420        if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
 421        then
 422                setup_malloc_check
 423                test_eval_ "$test_cleanup"
 424                teardown_malloc_check
 425        fi
 426        if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
 427        then
 428                echo ""
 429        fi
 430        return "$eval_ret"
 431}
 432
 433test_start_ () {
 434        test_count=$(($test_count+1))
 435        maybe_setup_verbose
 436        maybe_setup_valgrind
 437}
 438
 439test_finish_ () {
 440        echo >&3 ""
 441        maybe_teardown_valgrind
 442        maybe_teardown_verbose
 443}
 444
 445test_skip () {
 446        to_skip=
 447        if match_pattern_list $this_test.$test_count $GIT_SKIP_TESTS
 448        then
 449                to_skip=t
 450        fi
 451        if test -z "$to_skip" && test -n "$test_prereq" &&
 452           ! test_have_prereq "$test_prereq"
 453        then
 454                to_skip=t
 455        fi
 456        case "$to_skip" in
 457        t)
 458                of_prereq=
 459                if test "$missing_prereq" != "$test_prereq"
 460                then
 461                        of_prereq=" of $test_prereq"
 462                fi
 463
 464                say_color skip >&3 "${statusprefix}skipping test: $@"
 465                say_color skip "${statusprefix}ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
 466                : true
 467                ;;
 468        *)
 469                false
 470                ;;
 471        esac
 472}
 473
 474# stub; perf-lib overrides it
 475test_at_end_hook_ () {
 476        :
 477}
 478
 479test_done () {
 480        GIT_EXIT_OK=t
 481
 482        # Note: t0000 relies on $HARNESS_ACTIVE disabling the .counts
 483        # output file
 484        if test -z "$HARNESS_ACTIVE"
 485        then
 486                test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
 487                mkdir -p "$test_results_dir"
 488                base=${0##*/}
 489                test_results_path="$test_results_dir/${base%.sh}-$$.counts"
 490
 491                cat >>"$test_results_path" <<-EOF
 492                total $test_count
 493                success $test_success
 494                fixed $test_fixed
 495                broken $test_broken
 496                failed $test_failure
 497
 498                EOF
 499        fi
 500
 501        if test "$test_fixed" != 0
 502        then
 503                say_color error "${statusprefix}# $test_fixed known breakage(s) vanished; please update test(s)"
 504        fi
 505        if test "$test_broken" != 0
 506        then
 507                say_color warn "${statusprefix}# still have $test_broken known breakage(s)"
 508        fi
 509        if test "$test_broken" != 0 || test "$test_fixed" != 0
 510        then
 511                test_remaining=$(( $test_count - $test_broken - $test_fixed ))
 512                msg="remaining $test_remaining test(s)"
 513        else
 514                test_remaining=$test_count
 515                msg="$test_count test(s)"
 516        fi
 517        case "$test_failure" in
 518        0)
 519                # Maybe print SKIP message
 520                if test -n "$skip_all" && test $test_count -gt 0
 521                then
 522                        error "Can't use skip_all after running some tests"
 523                fi
 524                [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
 525
 526                if test $test_external_has_tap -eq 0
 527                then
 528                        if test $test_remaining -gt 0
 529                        then
 530                                say_color pass "${statusprefix}# passed all $msg"
 531                        fi
 532                        say "${statusprefix}1..$test_count$skip_all"
 533                fi
 534
 535                test -d "$remove_trash" &&
 536                cd "$(dirname "$remove_trash")" &&
 537                rm -rf "$(basename "$remove_trash")"
 538
 539                test_at_end_hook_
 540
 541                exit 0 ;;
 542
 543        *)
 544                if test $test_external_has_tap -eq 0
 545                then
 546                        say_color error "${statusprefix}# failed $test_failure among $msg"
 547                        say "${statusprefix}1..$test_count"
 548                fi
 549
 550                exit 1 ;;
 551
 552        esac
 553}
 554
 555if test -n "$valgrind"
 556then
 557        make_symlink () {
 558                test -h "$2" &&
 559                test "$1" = "$(readlink "$2")" || {
 560                        # be super paranoid
 561                        if mkdir "$2".lock
 562                        then
 563                                rm -f "$2" &&
 564                                ln -s "$1" "$2" &&
 565                                rm -r "$2".lock
 566                        else
 567                                while test -d "$2".lock
 568                                do
 569                                        say "Waiting for lock on $2."
 570                                        sleep 1
 571                                done
 572                        fi
 573                }
 574        }
 575
 576        make_valgrind_symlink () {
 577                # handle only executables, unless they are shell libraries that
 578                # need to be in the exec-path.  We will just use "#!" as a
 579                # guess for a shell-script, since we have no idea what the user
 580                # may have configured as the shell path.
 581                test -x "$1" ||
 582                test "#!" = "$(head -c 2 <"$1")" ||
 583                return;
 584
 585                base=$(basename "$1")
 586                symlink_target=$GIT_BUILD_DIR/$base
 587                # do not override scripts
 588                if test -x "$symlink_target" &&
 589                    test ! -d "$symlink_target" &&
 590                    test "#!" != "$(head -c 2 < "$symlink_target")"
 591                then
 592                        symlink_target=../valgrind.sh
 593                fi
 594                case "$base" in
 595                *.sh|*.perl)
 596                        symlink_target=../unprocessed-script
 597                esac
 598                # create the link, or replace it if it is out of date
 599                make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 600        }
 601
 602        # override all git executables in TEST_DIRECTORY/..
 603        GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 604        mkdir -p "$GIT_VALGRIND"/bin
 605        for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
 606        do
 607                make_valgrind_symlink $file
 608        done
 609        # special-case the mergetools loadables
 610        make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
 611        OLDIFS=$IFS
 612        IFS=:
 613        for path in $PATH
 614        do
 615                ls "$path"/git-* 2> /dev/null |
 616                while read file
 617                do
 618                        make_valgrind_symlink "$file"
 619                done
 620        done
 621        IFS=$OLDIFS
 622        PATH=$GIT_VALGRIND/bin:$PATH
 623        GIT_EXEC_PATH=$GIT_VALGRIND/bin
 624        export GIT_VALGRIND
 625        GIT_VALGRIND_MODE="$valgrind"
 626        export GIT_VALGRIND_MODE
 627        GIT_VALGRIND_ENABLED=t
 628        test -n "$valgrind_only" && GIT_VALGRIND_ENABLED=
 629        export GIT_VALGRIND_ENABLED
 630elif test -n "$GIT_TEST_INSTALLED"
 631then
 632        GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 633        error "Cannot run git from $GIT_TEST_INSTALLED."
 634        PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
 635        GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 636else # normal case, use ../bin-wrappers only unless $with_dashes:
 637        git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
 638        if ! test -x "$git_bin_dir/git"
 639        then
 640                if test -z "$with_dashes"
 641                then
 642                        say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 643                fi
 644                with_dashes=t
 645        fi
 646        PATH="$git_bin_dir:$PATH"
 647        GIT_EXEC_PATH=$GIT_BUILD_DIR
 648        if test -n "$with_dashes"
 649        then
 650                PATH="$GIT_BUILD_DIR:$PATH"
 651        fi
 652fi
 653GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
 654unset GIT_CONFIG
 655GIT_CONFIG_NOSYSTEM=1
 656GIT_ATTR_NOSYSTEM=1
 657export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
 658
 659if test -z "$GIT_TEST_CMP"
 660then
 661        if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
 662        then
 663                GIT_TEST_CMP="$DIFF -c"
 664        else
 665                GIT_TEST_CMP="$DIFF -u"
 666        fi
 667fi
 668
 669GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
 670export GITPERLLIB
 671test -d "$GIT_BUILD_DIR"/templates/blt || {
 672        error "You haven't built things yet, have you?"
 673}
 674
 675if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 676then
 677        GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
 678        export GITPYTHONLIB
 679        test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
 680                error "You haven't built git_remote_helpers yet, have you?"
 681        }
 682fi
 683
 684if ! test -x "$GIT_BUILD_DIR"/test-chmtime
 685then
 686        echo >&2 'You need to build test-chmtime:'
 687        echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 688        exit 1
 689fi
 690
 691# Test repository
 692TRASH_DIRECTORY="trash directory.$(basename "$0" .sh)"
 693test -n "$root" && TRASH_DIRECTORY="$root/$TRASH_DIRECTORY"
 694case "$TRASH_DIRECTORY" in
 695/*) ;; # absolute path is good
 696 *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$TRASH_DIRECTORY" ;;
 697esac
 698test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 699rm -fr "$TRASH_DIRECTORY" || {
 700        GIT_EXIT_OK=t
 701        echo >&5 "FATAL: Cannot prepare test area"
 702        exit 1
 703}
 704
 705HOME="$TRASH_DIRECTORY"
 706export HOME
 707
 708if test -z "$TEST_NO_CREATE_REPO"
 709then
 710        test_create_repo "$TRASH_DIRECTORY"
 711else
 712        mkdir -p "$TRASH_DIRECTORY"
 713fi
 714# Use -P to resolve symlinks in our working directory so that the cwd
 715# in subprocesses like git equals our $PWD (for pathname comparisons).
 716cd -P "$TRASH_DIRECTORY" || exit 1
 717
 718this_test=${0##*/}
 719this_test=${this_test%%-*}
 720if match_pattern_list "$this_test" $GIT_SKIP_TESTS
 721then
 722        say_color info >&3 "skipping test $this_test altogether"
 723        skip_all="skip all tests in $this_test"
 724        test_done
 725fi
 726
 727# Provide an implementation of the 'yes' utility
 728yes () {
 729        if test $# = 0
 730        then
 731                y=y
 732        else
 733                y="$*"
 734        fi
 735
 736        while echo "$y"
 737        do
 738                :
 739        done
 740}
 741
 742# Fix some commands on Windows
 743case $(uname -s) in
 744*MINGW*)
 745        # Windows has its own (incompatible) sort and find
 746        sort () {
 747                /usr/bin/sort "$@"
 748        }
 749        find () {
 750                /usr/bin/find "$@"
 751        }
 752        sum () {
 753                md5sum "$@"
 754        }
 755        # git sees Windows-style pwd
 756        pwd () {
 757                builtin pwd -W
 758        }
 759        # no POSIX permissions
 760        # backslashes in pathspec are converted to '/'
 761        # exec does not inherit the PID
 762        test_set_prereq MINGW
 763        test_set_prereq NOT_CYGWIN
 764        test_set_prereq SED_STRIPS_CR
 765        ;;
 766*CYGWIN*)
 767        test_set_prereq POSIXPERM
 768        test_set_prereq EXECKEEPSPID
 769        test_set_prereq NOT_MINGW
 770        test_set_prereq CYGWIN
 771        test_set_prereq SED_STRIPS_CR
 772        ;;
 773*)
 774        test_set_prereq POSIXPERM
 775        test_set_prereq BSLASHPSPEC
 776        test_set_prereq EXECKEEPSPID
 777        test_set_prereq NOT_MINGW
 778        test_set_prereq NOT_CYGWIN
 779        ;;
 780esac
 781
 782( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
 783test -z "$NO_PERL" && test_set_prereq PERL
 784test -z "$NO_PYTHON" && test_set_prereq PYTHON
 785test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 786test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
 787
 788# Can we rely on git's output in the C locale?
 789if test -n "$GETTEXT_POISON"
 790then
 791        GIT_GETTEXT_POISON=YesPlease
 792        export GIT_GETTEXT_POISON
 793        test_set_prereq GETTEXT_POISON
 794else
 795        test_set_prereq C_LOCALE_OUTPUT
 796fi
 797
 798# Use this instead of test_cmp to compare files that contain expected and
 799# actual output from git commands that can be translated.  When running
 800# under GETTEXT_POISON this pretends that the command produced expected
 801# results.
 802test_i18ncmp () {
 803        test -n "$GETTEXT_POISON" || test_cmp "$@"
 804}
 805
 806# Use this instead of "grep expected-string actual" to see if the
 807# output from a git command that can be translated either contains an
 808# expected string, or does not contain an unwanted one.  When running
 809# under GETTEXT_POISON this pretends that the command produced expected
 810# results.
 811test_i18ngrep () {
 812        if test -n "$GETTEXT_POISON"
 813        then
 814            : # pretend success
 815        elif test "x!" = "x$1"
 816        then
 817                shift
 818                ! grep "$@"
 819        else
 820                grep "$@"
 821        fi
 822}
 823
 824test_lazy_prereq PIPE '
 825        # test whether the filesystem supports FIFOs
 826        rm -f testfifo && mkfifo testfifo
 827'
 828
 829test_lazy_prereq SYMLINKS '
 830        # test whether the filesystem supports symbolic links
 831        ln -s x y && test -h y
 832'
 833
 834test_lazy_prereq CASE_INSENSITIVE_FS '
 835        echo good >CamelCase &&
 836        echo bad >camelcase &&
 837        test "$(cat CamelCase)" != good
 838'
 839
 840test_lazy_prereq UTF8_NFD_TO_NFC '
 841        # check whether FS converts nfd unicode to nfc
 842        auml=$(printf "\303\244")
 843        aumlcdiar=$(printf "\141\314\210")
 844        >"$auml" &&
 845        case "$(echo *)" in
 846        "$aumlcdiar")
 847                true ;;
 848        *)
 849                false ;;
 850        esac
 851'
 852
 853test_lazy_prereq AUTOIDENT '
 854        sane_unset GIT_AUTHOR_NAME &&
 855        sane_unset GIT_AUTHOR_EMAIL &&
 856        git var GIT_AUTHOR_IDENT
 857'
 858
 859# When the tests are run as root, permission tests will report that
 860# things are writable when they shouldn't be.
 861test -w / || test_set_prereq SANITY
 862
 863GIT_UNZIP=${GIT_UNZIP:-unzip}
 864test_lazy_prereq UNZIP '
 865        "$GIT_UNZIP" -v
 866        test $? -ne 127
 867'