t/test-lib.sh

   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/$BASENAME.out, too.
  20 case "$GIT_TEST_TEE_STARTED, $* " in
  21 done,*)
  22         # do not redirect again
  23         ;;
  24 *' --tee '*|*' --va'*)
  25         mkdir -p test-results
  26         BASE=test-results/$(basename "$0" .sh)
  27         (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
  28          echo $? > $BASE.exit) | tee $BASE.out
  29         test "$(cat $BASE.exit)" = 0
  30         exit
  31         ;;
  32 esac
  33
  34 # Keep the original TERM for say_color
  35 ORIGINAL_TERM=$TERM
  36
  37 # For repeatability, reset the environment to known value.
  38 LANG=C
  39 LC_ALL=C
  40 PAGER=cat
  41 TZ=UTC
  42 TERM=dumb
  43 export LANG LC_ALL PAGER TERM TZ
  44 EDITOR=:
  45 unset VISUAL
  46 unset GIT_EDITOR
  47 unset AUTHOR_DATE
  48 unset AUTHOR_EMAIL
  49 unset AUTHOR_NAME
  50 unset COMMIT_AUTHOR_EMAIL
  51 unset COMMIT_AUTHOR_NAME
  52 unset EMAIL
  53 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
  54 unset GIT_AUTHOR_DATE
  55 GIT_AUTHOR_EMAIL=author@example.com
  56 GIT_AUTHOR_NAME='A U Thor'
  57 unset GIT_COMMITTER_DATE
  58 GIT_COMMITTER_EMAIL=committer@example.com
  59 GIT_COMMITTER_NAME='C O Mitter'
  60 unset GIT_DIFF_OPTS
  61 unset GIT_DIR
  62 unset GIT_WORK_TREE
  63 unset GIT_EXTERNAL_DIFF
  64 unset GIT_INDEX_FILE
  65 unset GIT_OBJECT_DIRECTORY
  66 unset GIT_CEILING_DIRECTORIES
  67 unset SHA1_FILE_DIRECTORIES
  68 unset SHA1_FILE_DIRECTORY
  69 unset GIT_NOTES_REF
  70 unset GIT_NOTES_DISPLAY_REF
  71 unset GIT_NOTES_REWRITE_REF
  72 unset GIT_NOTES_REWRITE_MODE
  73 GIT_MERGE_VERBOSITY=5
  74 export GIT_MERGE_VERBOSITY
  75 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
  76 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
  77 export EDITOR
  78 GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
  79
  80 # Protect ourselves from common misconfiguration to export
  81 # CDPATH into the environment
  82 unset CDPATH
  83
  84 unset GREP_OPTIONS
  85
  86 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
  87         1|2|true)
  88                 echo "* warning: Some tests will not work if GIT_TRACE" \
  89                         "is set as to trace on STDERR ! *"
  90                 echo "* warning: Please set GIT_TRACE to something" \
  91                         "other than 1, 2 or true ! *"
  92                 ;;
  93 esac
  94
  95 # Convenience
  96 #
  97 # A regexp to match 5 and 40 hexdigits
  98 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
  99 _x40="$_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=$ORIGINAL_TERM &&
 109                 export TERM &&
 110                 [ -t 1 ] &&
 111                 tput bold >/dev/null 2>&1 &&
 112                 tput setaf 1 >/dev/null 2>&1 &&
 113                 tput sgr0 >/dev/null 2>&1
 114         ) &&
 115         color=t
 116
 117 while test "$#" -ne 0
 118 do
 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 '$1'" >&2; exit 1 ;;
 148         esac
 149 done
 150
 151 if test -n "$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         }
 169 else
 170         say_color() {
 171                 test -z "$1" && test -n "$quiet" && return
 172                 shift
 173                 echo "* $*"
 174         }
 175 fi
 176
 177 error () {
 178         say_color error "error: $*"
 179         GIT_EXIT_OK=t
 180         exit 1
 181 }
 182
 183 say () {
 184         say_color info "$*"
 185 }
 186
 187 test "${test_description}" != "" ||
 188 error "Test script did not set test_description."
 189
 190 if test "$help" = "t"
 191 then
 192         echo "$test_description"
 193         exit 0
 194 fi
 195
 196 exec 5>&1
 197 if test "$verbose" = "t"
 198 then
 199         exec 4>&2 3>&1
 200 else
 201         exec 4>/dev/null 3>/dev/null
 202 fi
 203
 204 test_failure=0
 205 test_count=0
 206 test_fixed=0
 207 test_broken=0
 208 test_success=0
 209
 210 die () {
 211         code=$?
 212         if test -n "$GIT_EXIT_OK"
 213         then
 214                 exit $code
 215         else
 216                 echo >&5 "FATAL: Unexpected exit with code $code"
 217                 exit 1
 218         fi
 219 }
 220
 221 GIT_EXIT_OK=
 222 trap 'die' EXIT
 223
 224 # The semantics of the editor variables are that of invoking
 225 # sh -c "$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.
 233 test_set_editor () {
 234         FAKE_EDITOR="$1"
 235         export FAKE_EDITOR
 236         EDITOR='"$FAKE_EDITOR"'
 237         export EDITOR
 238 }
 239
 240 test_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
 251 q_to_nul () {
 252         perl -pe 'y/Q/\000/'
 253 }
 254
 255 q_to_cr () {
 256         tr Q '\015'
 257 }
 258
 259 append_cr () {
 260         sed -e 's/$/Q/' | tr Q '\015'
 261 }
 262
 263 remove_cr () {
 264         tr '\015' Q | sed -e 's/Q$//'
 265 }
 266
 267 test_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="$test_tick -0700"
 276         export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 277 }
 278
 279 # Call test_commit with the arguments "<message> [<file> [<contents>]]"
 280 #
 281 # This will commit a file with the given contents and the given commit
 282 # message.  It will also add a tag with <message> as name.
 283 #
 284 # Both <file> and <contents> default to <message>.
 285
 286 test_commit () {
 287         file=${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
 298 test_merge () {
 299         test_tick &&
 300         git merge -m "$1" "$2" &&
 301         git tag "$1"
 302 }
 303
 304 # This function helps systems where core.filemode=false is set.
 305 # Use it instead of plain 'chmod +x' to set or unset the executable bit
 306 # of a file in the working directory and add it to the index.
 307
 308 test_chmod () {
 309         chmod "$@" &&
 310         git update-index --add "--chmod=$@"
 311 }
 312
 313 # Use test_set_prereq to tell that a particular prerequisite is available.
 314 # The prerequisite can later be checked for in two ways:
 315 #
 316 # - Explicitly using test_have_prereq.
 317 #
 318 # - Implicitly by specifying the prerequisite tag in the calls to
 319 #   test_expect_{success,failure,code}.
 320 #
 321 # The single parameter is the prerequisite tag (a simple word, in all
 322 # capital letters by convention).
 323
 324 test_set_prereq () {
 325         satisfied="$satisfied$1 "
 326 }
 327 satisfied=" "
 328
 329 test_have_prereq () {
 330         case $satisfied in
 331         *" $1 "*)
 332                 : yes, have it ;;
 333         *)
 334                 ! : nope ;;
 335         esac
 336 }
 337
 338 # You are not expected to call test_ok_ and test_failure_ directly, use
 339 # the text_expect_* functions instead.
 340
 341 test_ok_ () {
 342         test_success=$(($test_success + 1))
 343         say_color "" "  ok $test_count: $@"
 344 }
 345
 346 test_failure_ () {
 347         test_failure=$(($test_failure + 1))
 348         say_color error "FAIL $test_count: $1"
 349         shift
 350         echo "$@" | sed -e 's/^/        /'
 351         test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 352 }
 353
 354 test_known_broken_ok_ () {
 355         test_fixed=$(($test_fixed+1))
 356         say_color "" "  FIXED $test_count: $@"
 357 }
 358
 359 test_known_broken_failure_ () {
 360         test_broken=$(($test_broken+1))
 361         say_color skip "  still broken $test_count: $@"
 362 }
 363
 364 test_debug () {
 365         test "$debug" = "" || eval "$1"
 366 }
 367
 368 test_run_ () {
 369         eval >&3 2>&4 "$1"
 370         eval_ret="$?"
 371         return 0
 372 }
 373
 374 test_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: $1"
 393                 : true
 394                 ;;
 395         *)
 396                 false
 397                 ;;
 398         esac
 399 }
 400
 401 test_expect_failure () {
 402         test "$#" = 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_ "$1"
 414                 fi
 415         fi
 416         echo >&3 ""
 417 }
 418
 419 test_expect_success () {
 420         test "$#" = 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
 437 test_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
 463 test_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" "$@"
 483                 fi
 484         fi
 485 }
 486
 487 # Like test_external, but in addition tests that the command generated
 488 # no output on stderr.
 489 test_external_without_stderr () {
 490         # The temporary file has no (and must have no) security
 491         # implications.
 492         tmp="$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
 526 test_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
 544 test_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>
 550 test_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
 563 test_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 $msg"
 599                 exit 1 ;;
 600
 601         esac
 602 }
 603
 604 # Test the binaries we have just built.  The tests are kept in
 605 # t/ subdirectory and are run in 'trash directory' subdirectory.
 606 TEST_DIRECTORY=$(pwd)
 607 if test -n "$valgrind"
 608 then
 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=$GIT_VALGRIND/bin
 669         export GIT_VALGRIND
 670 elif test -n "$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}
 675 else # 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/..:$PATH"
 687         fi
 688 fi
 689 GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
 690 unset GIT_CONFIG
 691 GIT_CONFIG_NOSYSTEM=1
 692 GIT_CONFIG_NOGLOBAL=1
 693 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
 694
 695 . ../GIT-BUILD-OPTIONS
 696
 697 GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
 698 export GITPERLLIB
 699 test -d ../templates/blt || {
 700         error "You haven't built things yet, have you?"
 701 }
 702
 703 if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 704 then
 705         GITPYTHONLIB="$(pwd)/../git_remote_helpers/build/lib"
 706         export GITPYTHONLIB
 707         test -d ../git_remote_helpers/build || {
 708                 error "You haven't built git_remote_helpers yet, have you?"
 709         }
 710 fi
 711
 712 if ! test -x ../test-chmtime; then
 713         echo >&2 'You need to build test-chmtime:'
 714         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 715         exit 1
 716 fi
 717
 718 # Test repository
 719 test="trash directory.$(basename "$0" .sh)"
 720 test -n "$root" && test="$root/$test"
 721 case "$test" in
 722 /*) TRASH_DIRECTORY="$test" ;;
 723  *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
 724 esac
 725 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 726 rm -fr "$test" || {
 727         GIT_EXIT_OK=t
 728         echo >&5 "FATAL: Cannot prepare test area"
 729         exit 1
 730 }
 731
 732 test_create_repo "$test"
 733 # Use -P to resolve symlinks in our working directory so that the cwd
 734 # in subprocesses like git equals our $PWD (for pathname comparisons).
 735 cd -P "$test" || exit 1
 736
 737 this_test=${0##*/}
 738 this_test=${this_test%%-*}
 739 for skp in $GIT_SKIP_TESTS
 740 do
 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
 755 done
 756
 757 # Provide an implementation of the 'yes' utility
 758 yes () {
 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
 773 case $(uname -s) in
 774 *MINGW*)
 775         # Windows has its own (incompatible) sort and find
 776         sort () {
 777                 /usr/bin/sort "$@"
 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         ;;
 798 esac
 799
 800 test -z "$NO_PERL" && test_set_prereq PERL
 801 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 802
 803 # test whether the filesystem supports symbolic links
 804 ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
 805 rm -f y