9234eb756162581ab304d1503c45e7fb92249e64
   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# if --tee was passed, write the output not only to the terminal, but
  19# additionally to the file test-results/$BASENAME.out, too.
  20case "$GIT_TEST_TEE_STARTED, $* " in
  21done,*)
  22        # do not redirect again
  23        ;;
  24*' --tee '*|*' --va'*)
  25        mkdir -p test-results
  26        BASE=test-results/$(basename "$0" .sh)
  27        (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
  28         echo $? > $BASE.exit) | tee $BASE.out
  29        test "$(cat $BASE.exit)" = 0
  30        exit
  31        ;;
  32esac
  33
  34# Keep the original TERM for say_color
  35ORIGINAL_TERM=$TERM
  36
  37# For repeatability, reset the environment to known value.
  38LANG=C
  39LC_ALL=C
  40PAGER=cat
  41TZ=UTC
  42TERM=dumb
  43export LANG LC_ALL PAGER TERM TZ
  44EDITOR=:
  45unset VISUAL
  46unset GIT_EDITOR
  47unset AUTHOR_DATE
  48unset AUTHOR_EMAIL
  49unset AUTHOR_NAME
  50unset COMMIT_AUTHOR_EMAIL
  51unset COMMIT_AUTHOR_NAME
  52unset EMAIL
  53unset GIT_ALTERNATE_OBJECT_DIRECTORIES
  54unset GIT_AUTHOR_DATE
  55GIT_AUTHOR_EMAIL=author@example.com
  56GIT_AUTHOR_NAME='A U Thor'
  57unset GIT_COMMITTER_DATE
  58GIT_COMMITTER_EMAIL=committer@example.com
  59GIT_COMMITTER_NAME='C O Mitter'
  60unset GIT_DIFF_OPTS
  61unset GIT_DIR
  62unset GIT_WORK_TREE
  63unset GIT_EXTERNAL_DIFF
  64unset GIT_INDEX_FILE
  65unset GIT_OBJECT_DIRECTORY
  66unset GIT_CEILING_DIRECTORIES
  67unset SHA1_FILE_DIRECTORIES
  68unset SHA1_FILE_DIRECTORY
  69unset GIT_NOTES_REF
  70unset GIT_NOTES_DISPLAY_REF
  71unset GIT_NOTES_REWRITE_REF
  72unset GIT_NOTES_REWRITE_MODE
  73GIT_MERGE_VERBOSITY=5
  74export GIT_MERGE_VERBOSITY
  75export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
  76export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
  77export EDITOR
  78GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
  79
  80# Protect ourselves from common misconfiguration to export
  81# CDPATH into the environment
  82unset CDPATH
  83
  84unset GREP_OPTIONS
  85
  86case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
  87        1|2|true)
  88                echo "* warning: Some tests will not work if GIT_TRACE" \
  89                        "is set as to trace on STDERR ! *"
  90                echo "* warning: Please set GIT_TRACE to something" \
  91                        "other than 1, 2 or true ! *"
  92                ;;
  93esac
  94
  95# Convenience
  96#
  97# A regexp to match 5 and 40 hexdigits
  98_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
  99_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 100
 101# Each test should start with something like this, after copyright notices:
 102#
 103# test_description='Description of this test...
 104# This test checks if command xyzzy does the right thing...
 105# '
 106# . ./test-lib.sh
 107[ "x$ORIGINAL_TERM" != "xdumb" ] && (
 108                TERM=$ORIGINAL_TERM &&
 109                export TERM &&
 110                [ -t 1 ] &&
 111                tput bold >/dev/null 2>&1 &&
 112                tput setaf 1 >/dev/null 2>&1 &&
 113                tput sgr0 >/dev/null 2>&1
 114        ) &&
 115        color=t
 116
 117while test "$#" -ne 0
 118do
 119        case "$1" in
 120        -d|--d|--de|--deb|--debu|--debug)
 121                debug=t; shift ;;
 122        -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 123                immediate=t; shift ;;
 124        -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 125                GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 126        -h|--h|--he|--hel|--help)
 127                help=t; shift ;;
 128        -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 129                verbose=t; shift ;;
 130        -q|--q|--qu|--qui|--quie|--quiet)
 131                quiet=t; shift ;;
 132        --with-dashes)
 133                with_dashes=t; shift ;;
 134        --no-color)
 135                color=; shift ;;
 136        --no-python)
 137                # noop now...
 138                shift ;;
 139        --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 140                valgrind=t; verbose=t; shift ;;
 141        --tee)
 142                shift ;; # was handled already
 143        --root=*)
 144                root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 145                shift ;;
 146        *)
 147                echo "error: unknown test option '$1'" >&2; exit 1 ;;
 148        esac
 149done
 150
 151if test -n "$color"; then
 152        say_color () {
 153                (
 154                TERM=$ORIGINAL_TERM
 155                export TERM
 156                case "$1" in
 157                        error) tput bold; tput setaf 1;; # bold red
 158                        skip)  tput bold; tput setaf 2;; # bold green
 159                        pass)  tput setaf 2;;            # green
 160                        info)  tput setaf 3;;            # brown
 161                        *) test -n "$quiet" && return;;
 162                esac
 163                shift
 164                printf "* %s" "$*"
 165                tput sgr0
 166                echo
 167                )
 168        }
 169else
 170        say_color() {
 171                test -z "$1" && test -n "$quiet" && return
 172                shift
 173                echo "* $*"
 174        }
 175fi
 176
 177error () {
 178        say_color error "error: $*"
 179        GIT_EXIT_OK=t
 180        exit 1
 181}
 182
 183say () {
 184        say_color info "$*"
 185}
 186
 187test "${test_description}" != "" ||
 188error "Test script did not set test_description."
 189
 190if test "$help" = "t"
 191then
 192        echo "$test_description"
 193        exit 0
 194fi
 195
 196exec 5>&1
 197if test "$verbose" = "t"
 198then
 199        exec 4>&2 3>&1
 200else
 201        exec 4>/dev/null 3>/dev/null
 202fi
 203
 204test_failure=0
 205test_count=0
 206test_fixed=0
 207test_broken=0
 208test_success=0
 209
 210die () {
 211        code=$?
 212        if test -n "$GIT_EXIT_OK"
 213        then
 214                exit $code
 215        else
 216                echo >&5 "FATAL: Unexpected exit with code $code"
 217                exit 1
 218        fi
 219}
 220
 221GIT_EXIT_OK=
 222trap 'die' EXIT
 223
 224# The semantics of the editor variables are that of invoking
 225# sh -c "$EDITOR \"$@\"" files ...
 226#
 227# If our trash directory contains shell metacharacters, they will be
 228# interpreted if we just set $EDITOR directly, so do a little dance with
 229# environment variables to work around this.
 230#
 231# In particular, quoting isn't enough, as the path may contain the same quote
 232# that we're using.
 233test_set_editor () {
 234        FAKE_EDITOR="$1"
 235        export FAKE_EDITOR
 236        EDITOR='"$FAKE_EDITOR"'
 237        export EDITOR
 238}
 239
 240test_decode_color () {
 241        sed     -e 's/.\[1m/<WHITE>/g' \
 242                -e 's/.\[31m/<RED>/g' \
 243                -e 's/.\[32m/<GREEN>/g' \
 244                -e 's/.\[33m/<YELLOW>/g' \
 245                -e 's/.\[34m/<BLUE>/g' \
 246                -e 's/.\[35m/<MAGENTA>/g' \
 247                -e 's/.\[36m/<CYAN>/g' \
 248                -e 's/.\[m/<RESET>/g'
 249}
 250
 251q_to_nul () {
 252        perl -pe 'y/Q/\000/'
 253}
 254
 255q_to_cr () {
 256        tr Q '\015'
 257}
 258
 259append_cr () {
 260        sed -e 's/$/Q/' | tr Q '\015'
 261}
 262
 263remove_cr () {
 264        tr '\015' Q | sed -e 's/Q$//'
 265}
 266
 267test_tick () {
 268        if test -z "${test_tick+set}"
 269        then
 270                test_tick=1112911993
 271        else
 272                test_tick=$(($test_tick + 60))
 273        fi
 274        GIT_COMMITTER_DATE="$test_tick -0700"
 275        GIT_AUTHOR_DATE="$test_tick -0700"
 276        export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 277}
 278
 279# Call test_commit with the arguments "<message> [<file> [<contents>]]"
 280#
 281# This will commit a file with the given contents and the given commit
 282# message.  It will also add a tag with <message> as name.
 283#
 284# Both <file> and <contents> default to <message>.
 285
 286test_commit () {
 287        file=${2:-"$1.t"}
 288        echo "${3-$1}" > "$file" &&
 289        git add "$file" &&
 290        test_tick &&
 291        git commit -m "$1" &&
 292        git tag "$1"
 293}
 294
 295# Call test_merge with the arguments "<message> <commit>", where <commit>
 296# can be a tag pointing to the commit-to-merge.
 297
 298test_merge () {
 299        test_tick &&
 300        git merge -m "$1" "$2" &&
 301        git tag "$1"
 302}
 303
 304# This function helps systems where core.filemode=false is set.
 305# Use it instead of plain 'chmod +x' to set or unset the executable bit
 306# of a file in the working directory and add it to the index.
 307
 308test_chmod () {
 309        chmod "$@" &&
 310        git update-index --add "--chmod=$@"
 311}
 312
 313# Use test_set_prereq to tell that a particular prerequisite is available.
 314# The prerequisite can later be checked for in two ways:
 315#
 316# - Explicitly using test_have_prereq.
 317#
 318# - Implicitly by specifying the prerequisite tag in the calls to
 319#   test_expect_{success,failure,code}.
 320#
 321# The single parameter is the prerequisite tag (a simple word, in all
 322# capital letters by convention).
 323
 324test_set_prereq () {
 325        satisfied="$satisfied$1 "
 326}
 327satisfied=" "
 328
 329test_have_prereq () {
 330        case $satisfied in
 331        *" $1 "*)
 332                : yes, have it ;;
 333        *)
 334                ! : nope ;;
 335        esac
 336}
 337
 338# You are not expected to call test_ok_ and test_failure_ directly, use
 339# the text_expect_* functions instead.
 340
 341test_ok_ () {
 342        test_success=$(($test_success + 1))
 343        say_color "" "  ok $test_count: $@"
 344}
 345
 346test_failure_ () {
 347        test_failure=$(($test_failure + 1))
 348        say_color error "FAIL $test_count: $1"
 349        shift
 350        echo "$@" | sed -e 's/^/        /'
 351        test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 352}
 353
 354test_known_broken_ok_ () {
 355        test_fixed=$(($test_fixed+1))
 356        say_color "" "  FIXED $test_count: $@"
 357}
 358
 359test_known_broken_failure_ () {
 360        test_broken=$(($test_broken+1))
 361        say_color skip "  still broken $test_count: $@"
 362}
 363
 364test_debug () {
 365        test "$debug" = "" || eval "$1"
 366}
 367
 368test_run_ () {
 369        eval >&3 2>&4 "$1"
 370        eval_ret="$?"
 371        return 0
 372}
 373
 374test_skip () {
 375        test_count=$(($test_count+1))
 376        to_skip=
 377        for skp in $GIT_SKIP_TESTS
 378        do
 379                case $this_test.$test_count in
 380                $skp)
 381                        to_skip=t
 382                esac
 383        done
 384        if test -z "$to_skip" && test -n "$prereq" &&
 385           ! test_have_prereq "$prereq"
 386        then
 387                to_skip=t
 388        fi
 389        case "$to_skip" in
 390        t)
 391                say_color skip >&3 "skipping test: $@"
 392                say_color skip "skip $test_count: $1"
 393                : true
 394                ;;
 395        *)
 396                false
 397                ;;
 398        esac
 399}
 400
 401test_expect_failure () {
 402        test "$#" = 3 && { prereq=$1; shift; } || prereq=
 403        test "$#" = 2 ||
 404        error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
 405        if ! test_skip "$@"
 406        then
 407                say >&3 "checking known breakage: $2"
 408                test_run_ "$2"
 409                if [ "$?" = 0 -a "$eval_ret" = 0 ]
 410                then
 411                        test_known_broken_ok_ "$1"
 412                else
 413                        test_known_broken_failure_ "$1"
 414                fi
 415        fi
 416        echo >&3 ""
 417}
 418
 419test_expect_success () {
 420        test "$#" = 3 && { prereq=$1; shift; } || prereq=
 421        test "$#" = 2 ||
 422        error "bug in the test script: not 2 or 3 parameters to test-expect-success"
 423        if ! test_skip "$@"
 424        then
 425                say >&3 "expecting success: $2"
 426                test_run_ "$2"
 427                if [ "$?" = 0 -a "$eval_ret" = 0 ]
 428                then
 429                        test_ok_ "$1"
 430                else
 431                        test_failure_ "$@"
 432                fi
 433        fi
 434        echo >&3 ""
 435}
 436
 437test_expect_code () {
 438        test "$#" = 4 && { prereq=$1; shift; } || prereq=
 439        test "$#" = 3 ||
 440        error "bug in the test script: not 3 or 4 parameters to test-expect-code"
 441        if ! test_skip "$@"
 442        then
 443                say >&3 "expecting exit code $1: $3"
 444                test_run_ "$3"
 445                if [ "$?" = 0 -a "$eval_ret" = "$1" ]
 446                then
 447                        test_ok_ "$2"
 448                else
 449                        test_failure_ "$@"
 450                fi
 451        fi
 452        echo >&3 ""
 453}
 454
 455# test_external runs external test scripts that provide continuous
 456# test output about their progress, and succeeds/fails on
 457# zero/non-zero exit code.  It outputs the test output on stdout even
 458# in non-verbose mode, and announces the external script with "* run
 459# <n>: ..." before running it.  When providing relative paths, keep in
 460# mind that all scripts run in "trash directory".
 461# Usage: test_external description command arguments...
 462# Example: test_external 'Perl API' perl ../path/to/test.pl
 463test_external () {
 464        test "$#" = 4 && { prereq=$1; shift; } || prereq=
 465        test "$#" = 3 ||
 466        error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
 467        descr="$1"
 468        shift
 469        if ! test_skip "$descr" "$@"
 470        then
 471                # Announce the script to reduce confusion about the
 472                # test output that follows.
 473                say_color "" " run $test_count: $descr ($*)"
 474                # Run command; redirect its stderr to &4 as in
 475                # test_run_, but keep its stdout on our stdout even in
 476                # non-verbose mode.
 477                "$@" 2>&4
 478                if [ "$?" = 0 ]
 479                then
 480                        test_ok_ "$descr"
 481                else
 482                        test_failure_ "$descr" "$@"
 483                fi
 484        fi
 485}
 486
 487# Like test_external, but in addition tests that the command generated
 488# no output on stderr.
 489test_external_without_stderr () {
 490        # The temporary file has no (and must have no) security
 491        # implications.
 492        tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
 493        stderr="$tmp/git-external-stderr.$$.tmp"
 494        test_external "$@" 4> "$stderr"
 495        [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
 496        descr="no stderr: $1"
 497        shift
 498        say >&3 "expecting no stderr from previous command"
 499        if [ ! -s "$stderr" ]; then
 500                rm "$stderr"
 501                test_ok_ "$descr"
 502        else
 503                if [ "$verbose" = t ]; then
 504                        output=`echo; echo Stderr is:; cat "$stderr"`
 505                else
 506                        output=
 507                fi
 508                # rm first in case test_failure exits.
 509                rm "$stderr"
 510                test_failure_ "$descr" "$@" "$output"
 511        fi
 512}
 513
 514# This is not among top-level (test_expect_success | test_expect_failure)
 515# but is a prefix that can be used in the test script, like:
 516#
 517#       test_expect_success 'complain and die' '
 518#           do something &&
 519#           do something else &&
 520#           test_must_fail git checkout ../outerspace
 521#       '
 522#
 523# Writing this as "! git checkout ../outerspace" is wrong, because
 524# the failure could be due to a segv.  We want a controlled failure.
 525
 526test_must_fail () {
 527        "$@"
 528        test $? -gt 0 -a $? -le 129 -o $? -gt 192
 529}
 530
 531# test_cmp is a helper function to compare actual and expected output.
 532# You can use it like:
 533#
 534#       test_expect_success 'foo works' '
 535#               echo expected >expected &&
 536#               foo >actual &&
 537#               test_cmp expected actual
 538#       '
 539#
 540# This could be written as either "cmp" or "diff -u", but:
 541# - cmp's output is not nearly as easy to read as diff -u
 542# - not all diff versions understand "-u"
 543
 544test_cmp() {
 545        $GIT_TEST_CMP "$@"
 546}
 547
 548# Most tests can use the created repository, but some may need to create more.
 549# Usage: test_create_repo <directory>
 550test_create_repo () {
 551        test "$#" = 1 ||
 552        error "bug in the test script: not 1 parameter to test-create-repo"
 553        owd=`pwd`
 554        repo="$1"
 555        mkdir -p "$repo"
 556        cd "$repo" || error "Cannot setup test environment"
 557        "$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
 558        error "cannot run git init -- have you built things yet?"
 559        mv .git/hooks .git/hooks-disabled
 560        cd "$owd"
 561}
 562
 563test_done () {
 564        GIT_EXIT_OK=t
 565        test_results_dir="$TEST_DIRECTORY/test-results"
 566        mkdir -p "$test_results_dir"
 567        test_results_path="$test_results_dir/${0%.sh}-$$"
 568
 569        echo "total $test_count" >> $test_results_path
 570        echo "success $test_success" >> $test_results_path
 571        echo "fixed $test_fixed" >> $test_results_path
 572        echo "broken $test_broken" >> $test_results_path
 573        echo "failed $test_failure" >> $test_results_path
 574        echo "" >> $test_results_path
 575
 576        if test "$test_fixed" != 0
 577        then
 578                say_color pass "fixed $test_fixed known breakage(s)"
 579        fi
 580        if test "$test_broken" != 0
 581        then
 582                say_color error "still have $test_broken known breakage(s)"
 583                msg="remaining $(($test_count-$test_broken)) test(s)"
 584        else
 585                msg="$test_count test(s)"
 586        fi
 587        case "$test_failure" in
 588        0)
 589                say_color pass "passed all $msg"
 590
 591                test -d "$remove_trash" &&
 592                cd "$(dirname "$remove_trash")" &&
 593                rm -rf "$(basename "$remove_trash")"
 594
 595                exit 0 ;;
 596
 597        *)
 598                say_color error "failed $test_failure among $msg"
 599                exit 1 ;;
 600
 601        esac
 602}
 603
 604# Test the binaries we have just built.  The tests are kept in
 605# t/ subdirectory and are run in 'trash directory' subdirectory.
 606TEST_DIRECTORY=$(pwd)
 607if test -n "$valgrind"
 608then
 609        make_symlink () {
 610                test -h "$2" &&
 611                test "$1" = "$(readlink "$2")" || {
 612                        # be super paranoid
 613                        if mkdir "$2".lock
 614                        then
 615                                rm -f "$2" &&
 616                                ln -s "$1" "$2" &&
 617                                rm -r "$2".lock
 618                        else
 619                                while test -d "$2".lock
 620                                do
 621                                        say "Waiting for lock on $2."
 622                                        sleep 1
 623                                done
 624                        fi
 625                }
 626        }
 627
 628        make_valgrind_symlink () {
 629                # handle only executables
 630                test -x "$1" || return
 631
 632                base=$(basename "$1")
 633                symlink_target=$TEST_DIRECTORY/../$base
 634                # do not override scripts
 635                if test -x "$symlink_target" &&
 636                    test ! -d "$symlink_target" &&
 637                    test "#!" != "$(head -c 2 < "$symlink_target")"
 638                then
 639                        symlink_target=../valgrind.sh
 640                fi
 641                case "$base" in
 642                *.sh|*.perl)
 643                        symlink_target=../unprocessed-script
 644                esac
 645                # create the link, or replace it if it is out of date
 646                make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 647        }
 648
 649        # override all git executables in TEST_DIRECTORY/..
 650        GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 651        mkdir -p "$GIT_VALGRIND"/bin
 652        for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
 653        do
 654                make_valgrind_symlink $file
 655        done
 656        OLDIFS=$IFS
 657        IFS=:
 658        for path in $PATH
 659        do
 660                ls "$path"/git-* 2> /dev/null |
 661                while read file
 662                do
 663                        make_valgrind_symlink "$file"
 664                done
 665        done
 666        IFS=$OLDIFS
 667        PATH=$GIT_VALGRIND/bin:$PATH
 668        GIT_EXEC_PATH=$GIT_VALGRIND/bin
 669        export GIT_VALGRIND
 670elif test -n "$GIT_TEST_INSTALLED" ; then
 671        GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 672        error "Cannot run git from $GIT_TEST_INSTALLED."
 673        PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
 674        GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 675else # normal case, use ../bin-wrappers only unless $with_dashes:
 676        git_bin_dir="$TEST_DIRECTORY/../bin-wrappers"
 677        if ! test -x "$git_bin_dir/git" ; then
 678                if test -z "$with_dashes" ; then
 679                        say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 680                fi
 681                with_dashes=t
 682        fi
 683        PATH="$git_bin_dir:$PATH"
 684        GIT_EXEC_PATH=$TEST_DIRECTORY/..
 685        if test -n "$with_dashes" ; then
 686                PATH="$TEST_DIRECTORY/..:$PATH"
 687        fi
 688fi
 689GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
 690unset GIT_CONFIG
 691GIT_CONFIG_NOSYSTEM=1
 692GIT_CONFIG_NOGLOBAL=1
 693export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
 694
 695. ../GIT-BUILD-OPTIONS
 696
 697GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
 698export GITPERLLIB
 699test -d ../templates/blt || {
 700        error "You haven't built things yet, have you?"
 701}
 702
 703if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 704then
 705        GITPYTHONLIB="$(pwd)/../git_remote_helpers/build/lib"
 706        export GITPYTHONLIB
 707        test -d ../git_remote_helpers/build || {
 708                error "You haven't built git_remote_helpers yet, have you?"
 709        }
 710fi
 711
 712if ! test -x ../test-chmtime; then
 713        echo >&2 'You need to build test-chmtime:'
 714        echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 715        exit 1
 716fi
 717
 718# Test repository
 719test="trash directory.$(basename "$0" .sh)"
 720test -n "$root" && test="$root/$test"
 721case "$test" in
 722/*) TRASH_DIRECTORY="$test" ;;
 723 *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
 724esac
 725test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 726rm -fr "$test" || {
 727        GIT_EXIT_OK=t
 728        echo >&5 "FATAL: Cannot prepare test area"
 729        exit 1
 730}
 731
 732test_create_repo "$test"
 733# Use -P to resolve symlinks in our working directory so that the cwd
 734# in subprocesses like git equals our $PWD (for pathname comparisons).
 735cd -P "$test" || exit 1
 736
 737this_test=${0##*/}
 738this_test=${this_test%%-*}
 739for skp in $GIT_SKIP_TESTS
 740do
 741        to_skip=
 742        for skp in $GIT_SKIP_TESTS
 743        do
 744                case "$this_test" in
 745                $skp)
 746                        to_skip=t
 747                esac
 748        done
 749        case "$to_skip" in
 750        t)
 751                say_color skip >&3 "skipping test $this_test altogether"
 752                say_color skip "skip all tests in $this_test"
 753                test_done
 754        esac
 755done
 756
 757# Provide an implementation of the 'yes' utility
 758yes () {
 759        if test $# = 0
 760        then
 761                y=y
 762        else
 763                y="$*"
 764        fi
 765
 766        while echo "$y"
 767        do
 768                :
 769        done
 770}
 771
 772# Fix some commands on Windows
 773case $(uname -s) in
 774*MINGW*)
 775        # Windows has its own (incompatible) sort and find
 776        sort () {
 777                /usr/bin/sort "$@"
 778        }
 779        find () {
 780                /usr/bin/find "$@"
 781        }
 782        sum () {
 783                md5sum "$@"
 784        }
 785        # git sees Windows-style pwd
 786        pwd () {
 787                builtin pwd -W
 788        }
 789        # no POSIX permissions
 790        # backslashes in pathspec are converted to '/'
 791        # exec does not inherit the PID
 792        ;;
 793*)
 794        test_set_prereq POSIXPERM
 795        test_set_prereq BSLASHPSPEC
 796        test_set_prereq EXECKEEPSPID
 797        ;;
 798esac
 799
 800test -z "$NO_PERL" && test_set_prereq PERL
 801test -z "$NO_PYTHON" && test_set_prereq PYTHON
 802
 803# test whether the filesystem supports symbolic links
 804ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
 805rm -f y