a827a0f0c8a69f6c084fc81b12993711a9977eb2
   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
  78
  79# Protect ourselves from common misconfiguration to export
  80# CDPATH into the environment
  81unset CDPATH
  82
  83unset GREP_OPTIONS
  84
  85case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
  86        1|2|true)
  87                echo "* warning: Some tests will not work if GIT_TRACE" \
  88                        "is set as to trace on STDERR ! *"
  89                echo "* warning: Please set GIT_TRACE to something" \
  90                        "other than 1, 2 or true ! *"
  91                ;;
  92esac
  93
  94# Convenience
  95#
  96# A regexp to match 5 and 40 hexdigits
  97_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
  98_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
  99
 100# Each test should start with something like this, after copyright notices:
 101#
 102# test_description='Description of this test...
 103# This test checks if command xyzzy does the right thing...
 104# '
 105# . ./test-lib.sh
 106[ "x$ORIGINAL_TERM" != "xdumb" ] && (
 107                TERM=$ORIGINAL_TERM &&
 108                export TERM &&
 109                [ -t 1 ] &&
 110                tput bold >/dev/null 2>&1 &&
 111                tput setaf 1 >/dev/null 2>&1 &&
 112                tput sgr0 >/dev/null 2>&1
 113        ) &&
 114        color=t
 115
 116while test "$#" -ne 0
 117do
 118        case "$1" in
 119        -d|--d|--de|--deb|--debu|--debug)
 120                debug=t; shift ;;
 121        -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 122                immediate=t; shift ;;
 123        -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 124                GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 125        -h|--h|--he|--hel|--help)
 126                help=t; shift ;;
 127        -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 128                verbose=t; shift ;;
 129        -q|--q|--qu|--qui|--quie|--quiet)
 130                # Ignore --quiet under a TAP::Harness. Saying how many tests
 131                # passed without the ok/not ok details is always an error.
 132                test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
 133        --with-dashes)
 134                with_dashes=t; shift ;;
 135        --no-color)
 136                color=; shift ;;
 137        --no-python)
 138                # noop now...
 139                shift ;;
 140        --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 141                valgrind=t; verbose=t; shift ;;
 142        --tee)
 143                shift ;; # was handled already
 144        --root=*)
 145                root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 146                shift ;;
 147        *)
 148                echo "error: unknown test option '$1'" >&2; exit 1 ;;
 149        esac
 150done
 151
 152if test -n "$color"; then
 153        say_color () {
 154                (
 155                TERM=$ORIGINAL_TERM
 156                export TERM
 157                case "$1" in
 158                        error) tput bold; tput setaf 1;; # bold red
 159                        skip)  tput bold; tput setaf 2;; # bold green
 160                        pass)  tput setaf 2;;            # green
 161                        info)  tput setaf 3;;            # brown
 162                        *) test -n "$quiet" && return;;
 163                esac
 164                shift
 165                printf "%s" "$*"
 166                tput sgr0
 167                echo
 168                )
 169        }
 170else
 171        say_color() {
 172                test -z "$1" && test -n "$quiet" && return
 173                shift
 174                echo "$*"
 175        }
 176fi
 177
 178error () {
 179        say_color error "error: $*"
 180        GIT_EXIT_OK=t
 181        exit 1
 182}
 183
 184say () {
 185        say_color info "$*"
 186}
 187
 188test "${test_description}" != "" ||
 189error "Test script did not set test_description."
 190
 191if test "$help" = "t"
 192then
 193        echo "$test_description"
 194        exit 0
 195fi
 196
 197exec 5>&1
 198if test "$verbose" = "t"
 199then
 200        exec 4>&2 3>&1
 201else
 202        exec 4>/dev/null 3>/dev/null
 203fi
 204
 205test_failure=0
 206test_count=0
 207test_fixed=0
 208test_broken=0
 209test_success=0
 210
 211test_external_has_tap=0
 212
 213die () {
 214        code=$?
 215        if test -n "$GIT_EXIT_OK"
 216        then
 217                exit $code
 218        else
 219                echo >&5 "FATAL: Unexpected exit with code $code"
 220                exit 1
 221        fi
 222}
 223
 224GIT_EXIT_OK=
 225trap 'die' EXIT
 226
 227# The semantics of the editor variables are that of invoking
 228# sh -c "$EDITOR \"$@\"" files ...
 229#
 230# If our trash directory contains shell metacharacters, they will be
 231# interpreted if we just set $EDITOR directly, so do a little dance with
 232# environment variables to work around this.
 233#
 234# In particular, quoting isn't enough, as the path may contain the same quote
 235# that we're using.
 236test_set_editor () {
 237        FAKE_EDITOR="$1"
 238        export FAKE_EDITOR
 239        EDITOR='"$FAKE_EDITOR"'
 240        export EDITOR
 241}
 242
 243test_decode_color () {
 244        sed     -e 's/.\[1m/<WHITE>/g' \
 245                -e 's/.\[31m/<RED>/g' \
 246                -e 's/.\[32m/<GREEN>/g' \
 247                -e 's/.\[33m/<YELLOW>/g' \
 248                -e 's/.\[34m/<BLUE>/g' \
 249                -e 's/.\[35m/<MAGENTA>/g' \
 250                -e 's/.\[36m/<CYAN>/g' \
 251                -e 's/.\[m/<RESET>/g'
 252}
 253
 254q_to_nul () {
 255        perl -pe 'y/Q/\000/'
 256}
 257
 258q_to_cr () {
 259        tr Q '\015'
 260}
 261
 262append_cr () {
 263        sed -e 's/$/Q/' | tr Q '\015'
 264}
 265
 266remove_cr () {
 267        tr '\015' Q | sed -e 's/Q$//'
 268}
 269
 270test_tick () {
 271        if test -z "${test_tick+set}"
 272        then
 273                test_tick=1112911993
 274        else
 275                test_tick=$(($test_tick + 60))
 276        fi
 277        GIT_COMMITTER_DATE="$test_tick -0700"
 278        GIT_AUTHOR_DATE="$test_tick -0700"
 279        export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 280}
 281
 282# Call test_commit with the arguments "<message> [<file> [<contents>]]"
 283#
 284# This will commit a file with the given contents and the given commit
 285# message.  It will also add a tag with <message> as name.
 286#
 287# Both <file> and <contents> default to <message>.
 288
 289test_commit () {
 290        file=${2:-"$1.t"}
 291        echo "${3-$1}" > "$file" &&
 292        git add "$file" &&
 293        test_tick &&
 294        git commit -m "$1" &&
 295        git tag "$1"
 296}
 297
 298# Call test_merge with the arguments "<message> <commit>", where <commit>
 299# can be a tag pointing to the commit-to-merge.
 300
 301test_merge () {
 302        test_tick &&
 303        git merge -m "$1" "$2" &&
 304        git tag "$1"
 305}
 306
 307# This function helps systems where core.filemode=false is set.
 308# Use it instead of plain 'chmod +x' to set or unset the executable bit
 309# of a file in the working directory and add it to the index.
 310
 311test_chmod () {
 312        chmod "$@" &&
 313        git update-index --add "--chmod=$@"
 314}
 315
 316# Use test_set_prereq to tell that a particular prerequisite is available.
 317# The prerequisite can later be checked for in two ways:
 318#
 319# - Explicitly using test_have_prereq.
 320#
 321# - Implicitly by specifying the prerequisite tag in the calls to
 322#   test_expect_{success,failure,code}.
 323#
 324# The single parameter is the prerequisite tag (a simple word, in all
 325# capital letters by convention).
 326
 327test_set_prereq () {
 328        satisfied="$satisfied$1 "
 329}
 330satisfied=" "
 331
 332test_have_prereq () {
 333        case $satisfied in
 334        *" $1 "*)
 335                : yes, have it ;;
 336        *)
 337                ! : nope ;;
 338        esac
 339}
 340
 341# You are not expected to call test_ok_ and test_failure_ directly, use
 342# the text_expect_* functions instead.
 343
 344test_ok_ () {
 345        test_success=$(($test_success + 1))
 346        say_color "" "ok $test_count - $@"
 347}
 348
 349test_failure_ () {
 350        test_failure=$(($test_failure + 1))
 351        say_color error "not ok - $test_count $1"
 352        shift
 353        echo "$@" | sed -e 's/^/#       /'
 354        test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 355}
 356
 357test_known_broken_ok_ () {
 358        test_fixed=$(($test_fixed+1))
 359        say_color "" "ok $test_count - $@ # TODO known breakage"
 360}
 361
 362test_known_broken_failure_ () {
 363        test_broken=$(($test_broken+1))
 364        say_color skip "not ok $test_count - $@ # TODO known breakage"
 365}
 366
 367test_debug () {
 368        test "$debug" = "" || eval "$1"
 369}
 370
 371test_run_ () {
 372        test_cleanup=:
 373        eval >&3 2>&4 "$1"
 374        eval_ret=$?
 375        eval >&3 2>&4 "$test_cleanup"
 376        if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then
 377                echo ""
 378        fi
 379        return 0
 380}
 381
 382test_skip () {
 383        test_count=$(($test_count+1))
 384        to_skip=
 385        for skp in $GIT_SKIP_TESTS
 386        do
 387                case $this_test.$test_count in
 388                $skp)
 389                        to_skip=t
 390                esac
 391        done
 392        if test -z "$to_skip" && test -n "$prereq" &&
 393           ! test_have_prereq "$prereq"
 394        then
 395                to_skip=t
 396        fi
 397        case "$to_skip" in
 398        t)
 399                say_color skip >&3 "skipping test: $@"
 400                say_color skip "ok $test_count: # skip $1"
 401                : true
 402                ;;
 403        *)
 404                false
 405                ;;
 406        esac
 407}
 408
 409test_expect_failure () {
 410        test "$#" = 3 && { prereq=$1; shift; } || prereq=
 411        test "$#" = 2 ||
 412        error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
 413        if ! test_skip "$@"
 414        then
 415                say >&3 "checking known breakage: $2"
 416                test_run_ "$2"
 417                if [ "$?" = 0 -a "$eval_ret" = 0 ]
 418                then
 419                        test_known_broken_ok_ "$1"
 420                else
 421                        test_known_broken_failure_ "$1"
 422                fi
 423        fi
 424        echo >&3 ""
 425}
 426
 427test_expect_success () {
 428        test "$#" = 3 && { prereq=$1; shift; } || prereq=
 429        test "$#" = 2 ||
 430        error "bug in the test script: not 2 or 3 parameters to test-expect-success"
 431        if ! test_skip "$@"
 432        then
 433                say >&3 "expecting success: $2"
 434                test_run_ "$2"
 435                if [ "$?" = 0 -a "$eval_ret" = 0 ]
 436                then
 437                        test_ok_ "$1"
 438                else
 439                        test_failure_ "$@"
 440                fi
 441        fi
 442        echo >&3 ""
 443}
 444
 445test_expect_code () {
 446        test "$#" = 4 && { prereq=$1; shift; } || prereq=
 447        test "$#" = 3 ||
 448        error "bug in the test script: not 3 or 4 parameters to test-expect-code"
 449        if ! test_skip "$@"
 450        then
 451                say >&3 "expecting exit code $1: $3"
 452                test_run_ "$3"
 453                if [ "$?" = 0 -a "$eval_ret" = "$1" ]
 454                then
 455                        test_ok_ "$2"
 456                else
 457                        test_failure_ "$@"
 458                fi
 459        fi
 460        echo >&3 ""
 461}
 462
 463# test_external runs external test scripts that provide continuous
 464# test output about their progress, and succeeds/fails on
 465# zero/non-zero exit code.  It outputs the test output on stdout even
 466# in non-verbose mode, and announces the external script with "# run
 467# <n>: ..." before running it.  When providing relative paths, keep in
 468# mind that all scripts run in "trash directory".
 469# Usage: test_external description command arguments...
 470# Example: test_external 'Perl API' perl ../path/to/test.pl
 471test_external () {
 472        test "$#" = 4 && { prereq=$1; shift; } || prereq=
 473        test "$#" = 3 ||
 474        error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
 475        descr="$1"
 476        shift
 477        if ! test_skip "$descr" "$@"
 478        then
 479                # Announce the script to reduce confusion about the
 480                # test output that follows.
 481                say_color "" "# run $test_count: $descr ($*)"
 482                # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
 483                # to be able to use them in script
 484                export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
 485                # Run command; redirect its stderr to &4 as in
 486                # test_run_, but keep its stdout on our stdout even in
 487                # non-verbose mode.
 488                "$@" 2>&4
 489                if [ "$?" = 0 ]
 490                then
 491                        if test $test_external_has_tap -eq 0; then
 492                                test_ok_ "$descr"
 493                        else
 494                                say_color "" "# test_external test $descr was ok"
 495                                test_success=$(($test_success + 1))
 496                        fi
 497                else
 498                        if test $test_external_has_tap -eq 0; then
 499                                test_failure_ "$descr" "$@"
 500                        else
 501                                say_color error "# test_external test $descr failed: $@"
 502                                test_failure=$(($test_failure + 1))
 503                        fi
 504                fi
 505        fi
 506}
 507
 508# Like test_external, but in addition tests that the command generated
 509# no output on stderr.
 510test_external_without_stderr () {
 511        # The temporary file has no (and must have no) security
 512        # implications.
 513        tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
 514        stderr="$tmp/git-external-stderr.$$.tmp"
 515        test_external "$@" 4> "$stderr"
 516        [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
 517        descr="no stderr: $1"
 518        shift
 519        say >&3 "# expecting no stderr from previous command"
 520        if [ ! -s "$stderr" ]; then
 521                rm "$stderr"
 522
 523                if test $test_external_has_tap -eq 0; then
 524                        test_ok_ "$descr"
 525                else
 526                        say_color "" "# test_external_without_stderr test $descr was ok"
 527                        test_success=$(($test_success + 1))
 528                fi
 529        else
 530                if [ "$verbose" = t ]; then
 531                        output=`echo; echo "# Stderr is:"; cat "$stderr"`
 532                else
 533                        output=
 534                fi
 535                # rm first in case test_failure exits.
 536                rm "$stderr"
 537                if test $test_external_has_tap -eq 0; then
 538                        test_failure_ "$descr" "$@" "$output"
 539                else
 540                        say_color error "# test_external_without_stderr test $descr failed: $@: $output"
 541                        test_failure=$(($test_failure + 1))
 542                fi
 543        fi
 544}
 545
 546# This is not among top-level (test_expect_success | test_expect_failure)
 547# but is a prefix that can be used in the test script, like:
 548#
 549#       test_expect_success 'complain and die' '
 550#           do something &&
 551#           do something else &&
 552#           test_must_fail git checkout ../outerspace
 553#       '
 554#
 555# Writing this as "! git checkout ../outerspace" is wrong, because
 556# the failure could be due to a segv.  We want a controlled failure.
 557
 558test_must_fail () {
 559        "$@"
 560        test $? -gt 0 -a $? -le 129 -o $? -gt 192
 561}
 562
 563# Similar to test_must_fail, but tolerates success, too.  This is
 564# meant to be used in contexts like:
 565#
 566#       test_expect_success 'some command works without configuration' '
 567#               test_might_fail git config --unset all.configuration &&
 568#               do something
 569#       '
 570#
 571# Writing "git config --unset all.configuration || :" would be wrong,
 572# because we want to notice if it fails due to segv.
 573
 574test_might_fail () {
 575        "$@"
 576        test $? -ge 0 -a $? -le 129 -o $? -gt 192
 577}
 578
 579# test_cmp is a helper function to compare actual and expected output.
 580# You can use it like:
 581#
 582#       test_expect_success 'foo works' '
 583#               echo expected >expected &&
 584#               foo >actual &&
 585#               test_cmp expected actual
 586#       '
 587#
 588# This could be written as either "cmp" or "diff -u", but:
 589# - cmp's output is not nearly as easy to read as diff -u
 590# - not all diff versions understand "-u"
 591
 592test_cmp() {
 593        $GIT_TEST_CMP "$@"
 594}
 595
 596# This function can be used to schedule some commands to be run
 597# unconditionally at the end of the test to restore sanity:
 598#
 599#       test_expect_success 'test core.capslock' '
 600#               git config core.capslock true &&
 601#               test_when_finished "git config --unset core.capslock" &&
 602#               hello world
 603#       '
 604#
 605# That would be roughly equivalent to
 606#
 607#       test_expect_success 'test core.capslock' '
 608#               git config core.capslock true &&
 609#               hello world
 610#               git config --unset core.capslock
 611#       '
 612#
 613# except that the greeting and config --unset must both succeed for
 614# the test to pass.
 615
 616test_when_finished () {
 617        test_cleanup="{ $*
 618                } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
 619}
 620
 621# Most tests can use the created repository, but some may need to create more.
 622# Usage: test_create_repo <directory>
 623test_create_repo () {
 624        test "$#" = 1 ||
 625        error "bug in the test script: not 1 parameter to test-create-repo"
 626        owd=`pwd`
 627        repo="$1"
 628        mkdir -p "$repo"
 629        cd "$repo" || error "Cannot setup test environment"
 630        "$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
 631        error "cannot run git init -- have you built things yet?"
 632        mv .git/hooks .git/hooks-disabled
 633        cd "$owd"
 634}
 635
 636test_done () {
 637        GIT_EXIT_OK=t
 638        test_results_dir="$TEST_DIRECTORY/test-results"
 639        mkdir -p "$test_results_dir"
 640        test_results_path="$test_results_dir/${0%.sh}-$$"
 641
 642        echo "total $test_count" >> $test_results_path
 643        echo "success $test_success" >> $test_results_path
 644        echo "fixed $test_fixed" >> $test_results_path
 645        echo "broken $test_broken" >> $test_results_path
 646        echo "failed $test_failure" >> $test_results_path
 647        echo "" >> $test_results_path
 648
 649        if test "$test_fixed" != 0
 650        then
 651                say_color pass "# fixed $test_fixed known breakage(s)"
 652        fi
 653        if test "$test_broken" != 0
 654        then
 655                say_color error "# still have $test_broken known breakage(s)"
 656                msg="remaining $(($test_count-$test_broken)) test(s)"
 657        else
 658                msg="$test_count test(s)"
 659        fi
 660        case "$test_failure" in
 661        0)
 662                # Maybe print SKIP message
 663                [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
 664
 665                if test $test_external_has_tap -eq 0; then
 666                        say_color pass "# passed all $msg"
 667                        say "1..$test_count$skip_all"
 668                fi
 669
 670                test -d "$remove_trash" &&
 671                cd "$(dirname "$remove_trash")" &&
 672                rm -rf "$(basename "$remove_trash")"
 673
 674                exit 0 ;;
 675
 676        *)
 677                if test $test_external_has_tap -eq 0; then
 678                        say_color error "# failed $test_failure among $msg"
 679                        say "1..$test_count"
 680                fi
 681
 682                exit 1 ;;
 683
 684        esac
 685}
 686
 687# Test the binaries we have just built.  The tests are kept in
 688# t/ subdirectory and are run in 'trash directory' subdirectory.
 689TEST_DIRECTORY=$(pwd)
 690if test -n "$valgrind"
 691then
 692        make_symlink () {
 693                test -h "$2" &&
 694                test "$1" = "$(readlink "$2")" || {
 695                        # be super paranoid
 696                        if mkdir "$2".lock
 697                        then
 698                                rm -f "$2" &&
 699                                ln -s "$1" "$2" &&
 700                                rm -r "$2".lock
 701                        else
 702                                while test -d "$2".lock
 703                                do
 704                                        say "Waiting for lock on $2."
 705                                        sleep 1
 706                                done
 707                        fi
 708                }
 709        }
 710
 711        make_valgrind_symlink () {
 712                # handle only executables
 713                test -x "$1" || return
 714
 715                base=$(basename "$1")
 716                symlink_target=$TEST_DIRECTORY/../$base
 717                # do not override scripts
 718                if test -x "$symlink_target" &&
 719                    test ! -d "$symlink_target" &&
 720                    test "#!" != "$(head -c 2 < "$symlink_target")"
 721                then
 722                        symlink_target=../valgrind.sh
 723                fi
 724                case "$base" in
 725                *.sh|*.perl)
 726                        symlink_target=../unprocessed-script
 727                esac
 728                # create the link, or replace it if it is out of date
 729                make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 730        }
 731
 732        # override all git executables in TEST_DIRECTORY/..
 733        GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 734        mkdir -p "$GIT_VALGRIND"/bin
 735        for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
 736        do
 737                make_valgrind_symlink $file
 738        done
 739        OLDIFS=$IFS
 740        IFS=:
 741        for path in $PATH
 742        do
 743                ls "$path"/git-* 2> /dev/null |
 744                while read file
 745                do
 746                        make_valgrind_symlink "$file"
 747                done
 748        done
 749        IFS=$OLDIFS
 750        PATH=$GIT_VALGRIND/bin:$PATH
 751        GIT_EXEC_PATH=$GIT_VALGRIND/bin
 752        export GIT_VALGRIND
 753elif test -n "$GIT_TEST_INSTALLED" ; then
 754        GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 755        error "Cannot run git from $GIT_TEST_INSTALLED."
 756        PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
 757        GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 758else # normal case, use ../bin-wrappers only unless $with_dashes:
 759        git_bin_dir="$TEST_DIRECTORY/../bin-wrappers"
 760        if ! test -x "$git_bin_dir/git" ; then
 761                if test -z "$with_dashes" ; then
 762                        say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 763                fi
 764                with_dashes=t
 765        fi
 766        PATH="$git_bin_dir:$PATH"
 767        GIT_EXEC_PATH=$TEST_DIRECTORY/..
 768        if test -n "$with_dashes" ; then
 769                PATH="$TEST_DIRECTORY/..:$PATH"
 770        fi
 771fi
 772GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
 773unset GIT_CONFIG
 774GIT_CONFIG_NOSYSTEM=1
 775GIT_CONFIG_NOGLOBAL=1
 776export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
 777
 778. ../GIT-BUILD-OPTIONS
 779
 780if test -z "$GIT_TEST_CMP"
 781then
 782        if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
 783        then
 784                GIT_TEST_CMP="$DIFF -c"
 785        else
 786                GIT_TEST_CMP="$DIFF -u"
 787        fi
 788fi
 789
 790GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
 791export GITPERLLIB
 792test -d ../templates/blt || {
 793        error "You haven't built things yet, have you?"
 794}
 795
 796if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 797then
 798        GITPYTHONLIB="$(pwd)/../git_remote_helpers/build/lib"
 799        export GITPYTHONLIB
 800        test -d ../git_remote_helpers/build || {
 801                error "You haven't built git_remote_helpers yet, have you?"
 802        }
 803fi
 804
 805if ! test -x ../test-chmtime; then
 806        echo >&2 'You need to build test-chmtime:'
 807        echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 808        exit 1
 809fi
 810
 811# Test repository
 812test="trash directory.$(basename "$0" .sh)"
 813test -n "$root" && test="$root/$test"
 814case "$test" in
 815/*) TRASH_DIRECTORY="$test" ;;
 816 *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
 817esac
 818test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 819rm -fr "$test" || {
 820        GIT_EXIT_OK=t
 821        echo >&5 "FATAL: Cannot prepare test area"
 822        exit 1
 823}
 824
 825test_create_repo "$test"
 826# Use -P to resolve symlinks in our working directory so that the cwd
 827# in subprocesses like git equals our $PWD (for pathname comparisons).
 828cd -P "$test" || exit 1
 829
 830this_test=${0##*/}
 831this_test=${this_test%%-*}
 832for skp in $GIT_SKIP_TESTS
 833do
 834        to_skip=
 835        for skp in $GIT_SKIP_TESTS
 836        do
 837                case "$this_test" in
 838                $skp)
 839                        to_skip=t
 840                esac
 841        done
 842        case "$to_skip" in
 843        t)
 844                say_color skip >&3 "skipping test $this_test altogether"
 845                say_color skip "skip all tests in $this_test"
 846                test_done
 847        esac
 848done
 849
 850# Provide an implementation of the 'yes' utility
 851yes () {
 852        if test $# = 0
 853        then
 854                y=y
 855        else
 856                y="$*"
 857        fi
 858
 859        while echo "$y"
 860        do
 861                :
 862        done
 863}
 864
 865# Fix some commands on Windows
 866case $(uname -s) in
 867*MINGW*)
 868        # Windows has its own (incompatible) sort and find
 869        sort () {
 870                /usr/bin/sort "$@"
 871        }
 872        find () {
 873                /usr/bin/find "$@"
 874        }
 875        sum () {
 876                md5sum "$@"
 877        }
 878        # git sees Windows-style pwd
 879        pwd () {
 880                builtin pwd -W
 881        }
 882        # no POSIX permissions
 883        # backslashes in pathspec are converted to '/'
 884        # exec does not inherit the PID
 885        ;;
 886*)
 887        test_set_prereq POSIXPERM
 888        test_set_prereq BSLASHPSPEC
 889        test_set_prereq EXECKEEPSPID
 890        ;;
 891esac
 892
 893test -z "$NO_PERL" && test_set_prereq PERL
 894test -z "$NO_PYTHON" && test_set_prereq PYTHON
 895
 896# test whether the filesystem supports symbolic links
 897ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
 898rm -f y