7c9fe7ab42e0e88d7a64a979eb1b28a217f01b99
   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        --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 138                valgrind=t; verbose=t; shift ;;
 139        --tee)
 140                shift ;; # was handled already
 141        --root=*)
 142                root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 143                shift ;;
 144        *)
 145                echo "error: unknown test option '$1'" >&2; exit 1 ;;
 146        esac
 147done
 148
 149if test -n "$color"; then
 150        say_color () {
 151                (
 152                TERM=$ORIGINAL_TERM
 153                export TERM
 154                case "$1" in
 155                        error) tput bold; tput setaf 1;; # bold red
 156                        skip)  tput bold; tput setaf 2;; # bold green
 157                        pass)  tput setaf 2;;            # green
 158                        info)  tput setaf 3;;            # brown
 159                        *) test -n "$quiet" && return;;
 160                esac
 161                shift
 162                printf "%s" "$*"
 163                tput sgr0
 164                echo
 165                )
 166        }
 167else
 168        say_color() {
 169                test -z "$1" && test -n "$quiet" && return
 170                shift
 171                echo "$*"
 172        }
 173fi
 174
 175error () {
 176        say_color error "error: $*"
 177        GIT_EXIT_OK=t
 178        exit 1
 179}
 180
 181say () {
 182        say_color info "$*"
 183}
 184
 185test "${test_description}" != "" ||
 186error "Test script did not set test_description."
 187
 188if test "$help" = "t"
 189then
 190        echo "$test_description"
 191        exit 0
 192fi
 193
 194exec 5>&1
 195if test "$verbose" = "t"
 196then
 197        exec 4>&2 3>&1
 198else
 199        exec 4>/dev/null 3>/dev/null
 200fi
 201
 202test_failure=0
 203test_count=0
 204test_fixed=0
 205test_broken=0
 206test_success=0
 207
 208test_external_has_tap=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$1 "
 326}
 327satisfied=" "
 328
 329test_have_prereq () {
 330        # prerequisites can be concatenated with ','
 331        save_IFS=$IFS
 332        IFS=,
 333        set -- $*
 334        IFS=$save_IFS
 335
 336        total_prereq=0
 337        ok_prereq=0
 338        missing_prereq=
 339
 340        for prerequisite
 341        do
 342                total_prereq=$(($total_prereq + 1))
 343                case $satisfied in
 344                *" $prerequisite "*)
 345                        ok_prereq=$(($ok_prereq + 1))
 346                        ;;
 347                *)
 348                        # Keep a list of missing prerequisites
 349                        if test -z "$missing_prereq"
 350                        then
 351                                missing_prereq=$prerequisite
 352                        else
 353                                missing_prereq="$prerequisite,$missing_prereq"
 354                        fi
 355                esac
 356        done
 357
 358        test $total_prereq = $ok_prereq
 359}
 360
 361# You are not expected to call test_ok_ and test_failure_ directly, use
 362# the text_expect_* functions instead.
 363
 364test_ok_ () {
 365        test_success=$(($test_success + 1))
 366        say_color "" "ok $test_count - $@"
 367}
 368
 369test_failure_ () {
 370        test_failure=$(($test_failure + 1))
 371        say_color error "not ok - $test_count $1"
 372        shift
 373        echo "$@" | sed -e 's/^/#       /'
 374        test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 375}
 376
 377test_known_broken_ok_ () {
 378        test_fixed=$(($test_fixed+1))
 379        say_color "" "ok $test_count - $@ # TODO known breakage"
 380}
 381
 382test_known_broken_failure_ () {
 383        test_broken=$(($test_broken+1))
 384        say_color skip "not ok $test_count - $@ # TODO known breakage"
 385}
 386
 387test_debug () {
 388        test "$debug" = "" || eval "$1"
 389}
 390
 391test_run_ () {
 392        test_cleanup=:
 393        eval >&3 2>&4 "$1"
 394        eval_ret=$?
 395        eval >&3 2>&4 "$test_cleanup"
 396        if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then
 397                echo ""
 398        fi
 399        return 0
 400}
 401
 402test_skip () {
 403        test_count=$(($test_count+1))
 404        to_skip=
 405        for skp in $GIT_SKIP_TESTS
 406        do
 407                case $this_test.$test_count in
 408                $skp)
 409                        to_skip=t
 410                        break
 411                esac
 412        done
 413        if test -z "$to_skip" && test -n "$prereq" &&
 414           ! test_have_prereq "$prereq"
 415        then
 416                to_skip=t
 417        fi
 418        case "$to_skip" in
 419        t)
 420                of_prereq=
 421                if test "$missing_prereq" != "$prereq"
 422                then
 423                        of_prereq=" of $prereq"
 424                fi
 425
 426                say_color skip >&3 "skipping test: $@"
 427                say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
 428                : true
 429                ;;
 430        *)
 431                false
 432                ;;
 433        esac
 434}
 435
 436test_expect_failure () {
 437        test "$#" = 3 && { prereq=$1; shift; } || prereq=
 438        test "$#" = 2 ||
 439        error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
 440        if ! test_skip "$@"
 441        then
 442                say >&3 "checking known breakage: $2"
 443                test_run_ "$2"
 444                if [ "$?" = 0 -a "$eval_ret" = 0 ]
 445                then
 446                        test_known_broken_ok_ "$1"
 447                else
 448                        test_known_broken_failure_ "$1"
 449                fi
 450        fi
 451        echo >&3 ""
 452}
 453
 454test_expect_success () {
 455        test "$#" = 3 && { prereq=$1; shift; } || prereq=
 456        test "$#" = 2 ||
 457        error "bug in the test script: not 2 or 3 parameters to test-expect-success"
 458        if ! test_skip "$@"
 459        then
 460                say >&3 "expecting success: $2"
 461                test_run_ "$2"
 462                if [ "$?" = 0 -a "$eval_ret" = 0 ]
 463                then
 464                        test_ok_ "$1"
 465                else
 466                        test_failure_ "$@"
 467                fi
 468        fi
 469        echo >&3 ""
 470}
 471
 472test_expect_code () {
 473        test "$#" = 4 && { prereq=$1; shift; } || prereq=
 474        test "$#" = 3 ||
 475        error "bug in the test script: not 3 or 4 parameters to test-expect-code"
 476        if ! test_skip "$@"
 477        then
 478                say >&3 "expecting exit code $1: $3"
 479                test_run_ "$3"
 480                if [ "$?" = 0 -a "$eval_ret" = "$1" ]
 481                then
 482                        test_ok_ "$2"
 483                else
 484                        test_failure_ "$@"
 485                fi
 486        fi
 487        echo >&3 ""
 488}
 489
 490# test_external runs external test scripts that provide continuous
 491# test output about their progress, and succeeds/fails on
 492# zero/non-zero exit code.  It outputs the test output on stdout even
 493# in non-verbose mode, and announces the external script with "# run
 494# <n>: ..." before running it.  When providing relative paths, keep in
 495# mind that all scripts run in "trash directory".
 496# Usage: test_external description command arguments...
 497# Example: test_external 'Perl API' perl ../path/to/test.pl
 498test_external () {
 499        test "$#" = 4 && { prereq=$1; shift; } || prereq=
 500        test "$#" = 3 ||
 501        error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
 502        descr="$1"
 503        shift
 504        if ! test_skip "$descr" "$@"
 505        then
 506                # Announce the script to reduce confusion about the
 507                # test output that follows.
 508                say_color "" "# run $test_count: $descr ($*)"
 509                # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
 510                # to be able to use them in script
 511                export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
 512                # Run command; redirect its stderr to &4 as in
 513                # test_run_, but keep its stdout on our stdout even in
 514                # non-verbose mode.
 515                "$@" 2>&4
 516                if [ "$?" = 0 ]
 517                then
 518                        if test $test_external_has_tap -eq 0; then
 519                                test_ok_ "$descr"
 520                        else
 521                                say_color "" "# test_external test $descr was ok"
 522                                test_success=$(($test_success + 1))
 523                        fi
 524                else
 525                        if test $test_external_has_tap -eq 0; then
 526                                test_failure_ "$descr" "$@"
 527                        else
 528                                say_color error "# test_external test $descr failed: $@"
 529                                test_failure=$(($test_failure + 1))
 530                        fi
 531                fi
 532        fi
 533}
 534
 535# Like test_external, but in addition tests that the command generated
 536# no output on stderr.
 537test_external_without_stderr () {
 538        # The temporary file has no (and must have no) security
 539        # implications.
 540        tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
 541        stderr="$tmp/git-external-stderr.$$.tmp"
 542        test_external "$@" 4> "$stderr"
 543        [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
 544        descr="no stderr: $1"
 545        shift
 546        say >&3 "# expecting no stderr from previous command"
 547        if [ ! -s "$stderr" ]; then
 548                rm "$stderr"
 549
 550                if test $test_external_has_tap -eq 0; then
 551                        test_ok_ "$descr"
 552                else
 553                        say_color "" "# test_external_without_stderr test $descr was ok"
 554                        test_success=$(($test_success + 1))
 555                fi
 556        else
 557                if [ "$verbose" = t ]; then
 558                        output=`echo; echo "# Stderr is:"; cat "$stderr"`
 559                else
 560                        output=
 561                fi
 562                # rm first in case test_failure exits.
 563                rm "$stderr"
 564                if test $test_external_has_tap -eq 0; then
 565                        test_failure_ "$descr" "$@" "$output"
 566                else
 567                        say_color error "# test_external_without_stderr test $descr failed: $@: $output"
 568                        test_failure=$(($test_failure + 1))
 569                fi
 570        fi
 571}
 572
 573# This is not among top-level (test_expect_success | test_expect_failure)
 574# but is a prefix that can be used in the test script, like:
 575#
 576#       test_expect_success 'complain and die' '
 577#           do something &&
 578#           do something else &&
 579#           test_must_fail git checkout ../outerspace
 580#       '
 581#
 582# Writing this as "! git checkout ../outerspace" is wrong, because
 583# the failure could be due to a segv.  We want a controlled failure.
 584
 585test_must_fail () {
 586        "$@"
 587        test $? -gt 0 -a $? -le 129 -o $? -gt 192
 588}
 589
 590# Similar to test_must_fail, but tolerates success, too.  This is
 591# meant to be used in contexts like:
 592#
 593#       test_expect_success 'some command works without configuration' '
 594#               test_might_fail git config --unset all.configuration &&
 595#               do something
 596#       '
 597#
 598# Writing "git config --unset all.configuration || :" would be wrong,
 599# because we want to notice if it fails due to segv.
 600
 601test_might_fail () {
 602        "$@"
 603        test $? -ge 0 -a $? -le 129 -o $? -gt 192
 604}
 605
 606# test_cmp is a helper function to compare actual and expected output.
 607# You can use it like:
 608#
 609#       test_expect_success 'foo works' '
 610#               echo expected >expected &&
 611#               foo >actual &&
 612#               test_cmp expected actual
 613#       '
 614#
 615# This could be written as either "cmp" or "diff -u", but:
 616# - cmp's output is not nearly as easy to read as diff -u
 617# - not all diff versions understand "-u"
 618
 619test_cmp() {
 620        $GIT_TEST_CMP "$@"
 621}
 622
 623# This function can be used to schedule some commands to be run
 624# unconditionally at the end of the test to restore sanity:
 625#
 626#       test_expect_success 'test core.capslock' '
 627#               git config core.capslock true &&
 628#               test_when_finished "git config --unset core.capslock" &&
 629#               hello world
 630#       '
 631#
 632# That would be roughly equivalent to
 633#
 634#       test_expect_success 'test core.capslock' '
 635#               git config core.capslock true &&
 636#               hello world
 637#               git config --unset core.capslock
 638#       '
 639#
 640# except that the greeting and config --unset must both succeed for
 641# the test to pass.
 642
 643test_when_finished () {
 644        test_cleanup="{ $*
 645                } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
 646}
 647
 648# Most tests can use the created repository, but some may need to create more.
 649# Usage: test_create_repo <directory>
 650test_create_repo () {
 651        test "$#" = 1 ||
 652        error "bug in the test script: not 1 parameter to test-create-repo"
 653        repo="$1"
 654        mkdir -p "$repo"
 655        (
 656                cd "$repo" || error "Cannot setup test environment"
 657                "$GIT_EXEC_PATH/git-init" "--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
 658                error "cannot run git init -- have you built things yet?"
 659                mv .git/hooks .git/hooks-disabled
 660        ) || exit
 661}
 662
 663test_done () {
 664        GIT_EXIT_OK=t
 665
 666        if test -z "$HARNESS_ACTIVE"; then
 667                test_results_dir="$TEST_DIRECTORY/test-results"
 668                mkdir -p "$test_results_dir"
 669                test_results_path="$test_results_dir/${0%.sh}-$$.counts"
 670
 671                echo "total $test_count" >> $test_results_path
 672                echo "success $test_success" >> $test_results_path
 673                echo "fixed $test_fixed" >> $test_results_path
 674                echo "broken $test_broken" >> $test_results_path
 675                echo "failed $test_failure" >> $test_results_path
 676                echo "" >> $test_results_path
 677        fi
 678
 679        if test "$test_fixed" != 0
 680        then
 681                say_color pass "# fixed $test_fixed known breakage(s)"
 682        fi
 683        if test "$test_broken" != 0
 684        then
 685                say_color error "# still have $test_broken known breakage(s)"
 686                msg="remaining $(($test_count-$test_broken)) test(s)"
 687        else
 688                msg="$test_count test(s)"
 689        fi
 690        case "$test_failure" in
 691        0)
 692                # Maybe print SKIP message
 693                [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
 694
 695                if test $test_external_has_tap -eq 0; then
 696                        say_color pass "# passed all $msg"
 697                        say "1..$test_count$skip_all"
 698                fi
 699
 700                test -d "$remove_trash" &&
 701                cd "$(dirname "$remove_trash")" &&
 702                rm -rf "$(basename "$remove_trash")"
 703
 704                exit 0 ;;
 705
 706        *)
 707                if test $test_external_has_tap -eq 0; then
 708                        say_color error "# failed $test_failure among $msg"
 709                        say "1..$test_count"
 710                fi
 711
 712                exit 1 ;;
 713
 714        esac
 715}
 716
 717# Test the binaries we have just built.  The tests are kept in
 718# t/ subdirectory and are run in 'trash directory' subdirectory.
 719if test -z "$TEST_DIRECTORY"
 720then
 721        # We allow tests to override this, in case they want to run tests
 722        # outside of t/, e.g. for running tests on the test library
 723        # itself.
 724        TEST_DIRECTORY=$(pwd)
 725fi
 726GIT_BUILD_DIR="$TEST_DIRECTORY"/..
 727
 728if test -n "$valgrind"
 729then
 730        make_symlink () {
 731                test -h "$2" &&
 732                test "$1" = "$(readlink "$2")" || {
 733                        # be super paranoid
 734                        if mkdir "$2".lock
 735                        then
 736                                rm -f "$2" &&
 737                                ln -s "$1" "$2" &&
 738                                rm -r "$2".lock
 739                        else
 740                                while test -d "$2".lock
 741                                do
 742                                        say "Waiting for lock on $2."
 743                                        sleep 1
 744                                done
 745                        fi
 746                }
 747        }
 748
 749        make_valgrind_symlink () {
 750                # handle only executables
 751                test -x "$1" || return
 752
 753                base=$(basename "$1")
 754                symlink_target=$GIT_BUILD_DIR/$base
 755                # do not override scripts
 756                if test -x "$symlink_target" &&
 757                    test ! -d "$symlink_target" &&
 758                    test "#!" != "$(head -c 2 < "$symlink_target")"
 759                then
 760                        symlink_target=../valgrind.sh
 761                fi
 762                case "$base" in
 763                *.sh|*.perl)
 764                        symlink_target=../unprocessed-script
 765                esac
 766                # create the link, or replace it if it is out of date
 767                make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 768        }
 769
 770        # override all git executables in TEST_DIRECTORY/..
 771        GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 772        mkdir -p "$GIT_VALGRIND"/bin
 773        for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
 774        do
 775                make_valgrind_symlink $file
 776        done
 777        OLDIFS=$IFS
 778        IFS=:
 779        for path in $PATH
 780        do
 781                ls "$path"/git-* 2> /dev/null |
 782                while read file
 783                do
 784                        make_valgrind_symlink "$file"
 785                done
 786        done
 787        IFS=$OLDIFS
 788        PATH=$GIT_VALGRIND/bin:$PATH
 789        GIT_EXEC_PATH=$GIT_VALGRIND/bin
 790        export GIT_VALGRIND
 791elif test -n "$GIT_TEST_INSTALLED" ; then
 792        GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 793        error "Cannot run git from $GIT_TEST_INSTALLED."
 794        PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
 795        GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 796else # normal case, use ../bin-wrappers only unless $with_dashes:
 797        git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
 798        if ! test -x "$git_bin_dir/git" ; then
 799                if test -z "$with_dashes" ; then
 800                        say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 801                fi
 802                with_dashes=t
 803        fi
 804        PATH="$git_bin_dir:$PATH"
 805        GIT_EXEC_PATH=$GIT_BUILD_DIR
 806        if test -n "$with_dashes" ; then
 807                PATH="$GIT_BUILD_DIR:$PATH"
 808        fi
 809fi
 810GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
 811unset GIT_CONFIG
 812GIT_CONFIG_NOSYSTEM=1
 813GIT_CONFIG_NOGLOBAL=1
 814export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
 815
 816. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
 817
 818if test -z "$GIT_TEST_CMP"
 819then
 820        if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
 821        then
 822                GIT_TEST_CMP="$DIFF -c"
 823        else
 824                GIT_TEST_CMP="$DIFF -u"
 825        fi
 826fi
 827
 828GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
 829export GITPERLLIB
 830test -d "$GIT_BUILD_DIR"/templates/blt || {
 831        error "You haven't built things yet, have you?"
 832}
 833
 834if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 835then
 836        GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
 837        export GITPYTHONLIB
 838        test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
 839                error "You haven't built git_remote_helpers yet, have you?"
 840        }
 841fi
 842
 843if ! test -x "$GIT_BUILD_DIR"/test-chmtime; then
 844        echo >&2 'You need to build test-chmtime:'
 845        echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 846        exit 1
 847fi
 848
 849# Test repository
 850test="trash directory.$(basename "$0" .sh)"
 851test -n "$root" && test="$root/$test"
 852case "$test" in
 853/*) TRASH_DIRECTORY="$test" ;;
 854 *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
 855esac
 856test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 857rm -fr "$test" || {
 858        GIT_EXIT_OK=t
 859        echo >&5 "FATAL: Cannot prepare test area"
 860        exit 1
 861}
 862
 863test_create_repo "$test"
 864# Use -P to resolve symlinks in our working directory so that the cwd
 865# in subprocesses like git equals our $PWD (for pathname comparisons).
 866cd -P "$test" || exit 1
 867
 868this_test=${0##*/}
 869this_test=${this_test%%-*}
 870for skp in $GIT_SKIP_TESTS
 871do
 872        case "$this_test" in
 873        $skp)
 874                say_color skip >&3 "skipping test $this_test altogether"
 875                skip_all="skip all tests in $this_test"
 876                test_done
 877        esac
 878done
 879
 880# Provide an implementation of the 'yes' utility
 881yes () {
 882        if test $# = 0
 883        then
 884                y=y
 885        else
 886                y="$*"
 887        fi
 888
 889        while echo "$y"
 890        do
 891                :
 892        done
 893}
 894
 895# Fix some commands on Windows
 896case $(uname -s) in
 897*MINGW*)
 898        # Windows has its own (incompatible) sort and find
 899        sort () {
 900                /usr/bin/sort "$@"
 901        }
 902        find () {
 903                /usr/bin/find "$@"
 904        }
 905        sum () {
 906                md5sum "$@"
 907        }
 908        # git sees Windows-style pwd
 909        pwd () {
 910                builtin pwd -W
 911        }
 912        # no POSIX permissions
 913        # backslashes in pathspec are converted to '/'
 914        # exec does not inherit the PID
 915        ;;
 916*)
 917        test_set_prereq POSIXPERM
 918        test_set_prereq BSLASHPSPEC
 919        test_set_prereq EXECKEEPSPID
 920        ;;
 921esac
 922
 923test -z "$NO_PERL" && test_set_prereq PERL
 924test -z "$NO_PYTHON" && test_set_prereq PYTHON
 925
 926# test whether the filesystem supports symbolic links
 927ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
 928rm -f y
 929
 930# When the tests are run as root, permission tests will report that
 931# things are writable when they shouldn't be.
 932test -w / || test_set_prereq SANITY