t/test-lib.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 # if --tee was passed, write the output not only to the terminal, but
   7 # additionally to the file test-results/$BASENAME.out, too.
   8 case "$GIT_TEST_TEE_STARTED, $* " in
   9 done,*)
  10         # do not redirect again
  11         ;;
  12 *' --tee '*|*' --va'*)
  13         mkdir -p test-results
  14         BASE=test-results/$(basename "$0" .sh)
  15         (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
  16          echo $? > $BASE.exit) | tee $BASE.out
  17         test "$(cat $BASE.exit)" = 0
  18         exit
  19         ;;
  20 esac
  21
  22 # Keep the original TERM for say_color
  23 ORIGINAL_TERM=$TERM
  24
  25 # For repeatability, reset the environment to known value.
  26 LANG=C
  27 LC_ALL=C
  28 PAGER=cat
  29 TZ=UTC
  30 TERM=dumb
  31 export LANG LC_ALL PAGER TERM TZ
  32 EDITOR=:
  33 unset VISUAL
  34 unset GIT_EDITOR
  35 unset AUTHOR_DATE
  36 unset AUTHOR_EMAIL
  37 unset AUTHOR_NAME
  38 unset COMMIT_AUTHOR_EMAIL
  39 unset COMMIT_AUTHOR_NAME
  40 unset EMAIL
  41 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
  42 unset GIT_AUTHOR_DATE
  43 GIT_AUTHOR_EMAIL=author@example.com
  44 GIT_AUTHOR_NAME='A U Thor'
  45 unset GIT_COMMITTER_DATE
  46 GIT_COMMITTER_EMAIL=committer@example.com
  47 GIT_COMMITTER_NAME='C O Mitter'
  48 unset GIT_DIFF_OPTS
  49 unset GIT_DIR
  50 unset GIT_WORK_TREE
  51 unset GIT_EXTERNAL_DIFF
  52 unset GIT_INDEX_FILE
  53 unset GIT_OBJECT_DIRECTORY
  54 unset GIT_CEILING_DIRECTORIES
  55 unset SHA1_FILE_DIRECTORIES
  56 unset SHA1_FILE_DIRECTORY
  57 unset GIT_NOTES_REF
  58 unset GIT_NOTES_DISPLAY_REF
  59 unset GIT_NOTES_REWRITE_REF
  60 unset GIT_NOTES_REWRITE_MODE
  61 GIT_MERGE_VERBOSITY=5
  62 export GIT_MERGE_VERBOSITY
  63 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
  64 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
  65 export EDITOR
  66 GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
  67
  68 # Protect ourselves from common misconfiguration to export
  69 # CDPATH into the environment
  70 unset CDPATH
  71
  72 unset GREP_OPTIONS
  73
  74 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
  75         1|2|true)
  76                 echo "* warning: Some tests will not work if GIT_TRACE" \
  77                         "is set as to trace on STDERR ! *"
  78                 echo "* warning: Please set GIT_TRACE to something" \
  79                         "other than 1, 2 or true ! *"
  80                 ;;
  81 esac
  82
  83 # Convenience
  84 #
  85 # A regexp to match 5 and 40 hexdigits
  86 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
  87 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
  88
  89 # Each test should start with something like this, after copyright notices:
  90 #
  91 # test_description='Description of this test...
  92 # This test checks if command xyzzy does the right thing...
  93 # '
  94 # . ./test-lib.sh
  95 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
  96                 TERM=$ORIGINAL_TERM &&
  97                 export TERM &&
  98                 [ -t 1 ] &&
  99                 tput bold >/dev/null 2>&1 &&
 100                 tput setaf 1 >/dev/null 2>&1 &&
 101                 tput sgr0 >/dev/null 2>&1
 102         ) &&
 103         color=t
 104
 105 while test "$#" -ne 0
 106 do
 107         case "$1" in
 108         -d|--d|--de|--deb|--debu|--debug)
 109                 debug=t; shift ;;
 110         -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 111                 immediate=t; shift ;;
 112         -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 113                 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 114         -h|--h|--he|--hel|--help)
 115                 help=t; shift ;;
 116         -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 117                 verbose=t; shift ;;
 118         -q|--q|--qu|--qui|--quie|--quiet)
 119                 quiet=t; shift ;;
 120         --with-dashes)
 121                 with_dashes=t; shift ;;
 122         --no-color)
 123                 color=; shift ;;
 124         --no-python)
 125                 # noop now...
 126                 shift ;;
 127         --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 128                 valgrind=t; verbose=t; shift ;;
 129         --tee)
 130                 shift ;; # was handled already
 131         --root=*)
 132                 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 133                 shift ;;
 134         *)
 135                 echo "error: unknown test option '$1'" >&2; exit 1 ;;
 136         esac
 137 done
 138
 139 if test -n "$color"; then
 140         say_color () {
 141                 (
 142                 TERM=$ORIGINAL_TERM
 143                 export TERM
 144                 case "$1" in
 145                         error) tput bold; tput setaf 1;; # bold red
 146                         skip)  tput bold; tput setaf 2;; # bold green
 147                         pass)  tput setaf 2;;            # green
 148                         info)  tput setaf 3;;            # brown
 149                         *) test -n "$quiet" && return;;
 150                 esac
 151                 shift
 152                 printf "* %s" "$*"
 153                 tput sgr0
 154                 echo
 155                 )
 156         }
 157 else
 158         say_color() {
 159                 test -z "$1" && test -n "$quiet" && return
 160                 shift
 161                 echo "* $*"
 162         }
 163 fi
 164
 165 error () {
 166         say_color error "error: $*"
 167         GIT_EXIT_OK=t
 168         exit 1
 169 }
 170
 171 say () {
 172         say_color info "$*"
 173 }
 174
 175 test "${test_description}" != "" ||
 176 error "Test script did not set test_description."
 177
 178 if test "$help" = "t"
 179 then
 180         echo "$test_description"
 181         exit 0
 182 fi
 183
 184 exec 5>&1
 185 if test "$verbose" = "t"
 186 then
 187         exec 4>&2 3>&1
 188 else
 189         exec 4>/dev/null 3>/dev/null
 190 fi
 191
 192 test_failure=0
 193 test_count=0
 194 test_fixed=0
 195 test_broken=0
 196 test_success=0
 197
 198 die () {
 199         code=$?
 200         if test -n "$GIT_EXIT_OK"
 201         then
 202                 exit $code
 203         else
 204                 echo >&5 "FATAL: Unexpected exit with code $code"
 205                 exit 1
 206         fi
 207 }
 208
 209 GIT_EXIT_OK=
 210 trap 'die' EXIT
 211
 212 # The semantics of the editor variables are that of invoking
 213 # sh -c "$EDITOR \"$@\"" files ...
 214 #
 215 # If our trash directory contains shell metacharacters, they will be
 216 # interpreted if we just set $EDITOR directly, so do a little dance with
 217 # environment variables to work around this.
 218 #
 219 # In particular, quoting isn't enough, as the path may contain the same quote
 220 # that we're using.
 221 test_set_editor () {
 222         FAKE_EDITOR="$1"
 223         export FAKE_EDITOR
 224         EDITOR='"$FAKE_EDITOR"'
 225         export EDITOR
 226 }
 227
 228 test_decode_color () {
 229         sed     -e 's/.\[1m/<WHITE>/g' \
 230                 -e 's/.\[31m/<RED>/g' \
 231                 -e 's/.\[32m/<GREEN>/g' \
 232                 -e 's/.\[33m/<YELLOW>/g' \
 233                 -e 's/.\[34m/<BLUE>/g' \
 234                 -e 's/.\[35m/<MAGENTA>/g' \
 235                 -e 's/.\[36m/<CYAN>/g' \
 236                 -e 's/.\[m/<RESET>/g'
 237 }
 238
 239 q_to_nul () {
 240         perl -pe 'y/Q/\000/'
 241 }
 242
 243 q_to_cr () {
 244         tr Q '\015'
 245 }
 246
 247 append_cr () {
 248         sed -e 's/$/Q/' | tr Q '\015'
 249 }
 250
 251 remove_cr () {
 252         tr '\015' Q | sed -e 's/Q$//'
 253 }
 254
 255 test_tick () {
 256         if test -z "${test_tick+set}"
 257         then
 258                 test_tick=1112911993
 259         else
 260                 test_tick=$(($test_tick + 60))
 261         fi
 262         GIT_COMMITTER_DATE="$test_tick -0700"
 263         GIT_AUTHOR_DATE="$test_tick -0700"
 264         export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 265 }
 266
 267 # Call test_commit with the arguments "<message> [<file> [<contents>]]"
 268 #
 269 # This will commit a file with the given contents and the given commit
 270 # message.  It will also add a tag with <message> as name.
 271 #
 272 # Both <file> and <contents> default to <message>.
 273
 274 test_commit () {
 275         file=${2:-"$1.t"}
 276         echo "${3-$1}" > "$file" &&
 277         git add "$file" &&
 278         test_tick &&
 279         git commit -m "$1" &&
 280         git tag "$1"
 281 }
 282
 283 # Call test_merge with the arguments "<message> <commit>", where <commit>
 284 # can be a tag pointing to the commit-to-merge.
 285
 286 test_merge () {
 287         test_tick &&
 288         git merge -m "$1" "$2" &&
 289         git tag "$1"
 290 }
 291
 292 # This function helps systems where core.filemode=false is set.
 293 # Use it instead of plain 'chmod +x' to set or unset the executable bit
 294 # of a file in the working directory and add it to the index.
 295
 296 test_chmod () {
 297         chmod "$@" &&
 298         git update-index --add "--chmod=$@"
 299 }
 300
 301 # Use test_set_prereq to tell that a particular prerequisite is available.
 302 # The prerequisite can later be checked for in two ways:
 303 #
 304 # - Explicitly using test_have_prereq.
 305 #
 306 # - Implicitly by specifying the prerequisite tag in the calls to
 307 #   test_expect_{success,failure,code}.
 308 #
 309 # The single parameter is the prerequisite tag (a simple word, in all
 310 # capital letters by convention).
 311
 312 test_set_prereq () {
 313         satisfied="$satisfied$1 "
 314 }
 315 satisfied=" "
 316
 317 test_have_prereq () {
 318         case $satisfied in
 319         *" $1 "*)
 320                 : yes, have it ;;
 321         *)
 322                 ! : nope ;;
 323         esac
 324 }
 325
 326 # You are not expected to call test_ok_ and test_failure_ directly, use
 327 # the text_expect_* functions instead.
 328
 329 test_ok_ () {
 330         test_success=$(($test_success + 1))
 331         say_color "" "  ok $test_count: $@"
 332 }
 333
 334 test_failure_ () {
 335         test_failure=$(($test_failure + 1))
 336         say_color error "FAIL $test_count: $1"
 337         shift
 338         echo "$@" | sed -e 's/^/        /'
 339         test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 340 }
 341
 342 test_known_broken_ok_ () {
 343         test_fixed=$(($test_fixed+1))
 344         say_color "" "  FIXED $test_count: $@"
 345 }
 346
 347 test_known_broken_failure_ () {
 348         test_broken=$(($test_broken+1))
 349         say_color skip "  still broken $test_count: $@"
 350 }
 351
 352 test_debug () {
 353         test "$debug" = "" || eval "$1"
 354 }
 355
 356 test_run_ () {
 357         eval >&3 2>&4 "$1"
 358         eval_ret="$?"
 359         return 0
 360 }
 361
 362 test_skip () {
 363         test_count=$(($test_count+1))
 364         to_skip=
 365         for skp in $GIT_SKIP_TESTS
 366         do
 367                 case $this_test.$test_count in
 368                 $skp)
 369                         to_skip=t
 370                 esac
 371         done
 372         if test -z "$to_skip" && test -n "$prereq" &&
 373            ! test_have_prereq "$prereq"
 374         then
 375                 to_skip=t
 376         fi
 377         case "$to_skip" in
 378         t)
 379                 say_color skip >&3 "skipping test: $@"
 380                 say_color skip "skip $test_count: $1"
 381                 : true
 382                 ;;
 383         *)
 384                 false
 385                 ;;
 386         esac
 387 }
 388
 389 test_expect_failure () {
 390         test "$#" = 3 && { prereq=$1; shift; } || prereq=
 391         test "$#" = 2 ||
 392         error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
 393         if ! test_skip "$@"
 394         then
 395                 say >&3 "checking known breakage: $2"
 396                 test_run_ "$2"
 397                 if [ "$?" = 0 -a "$eval_ret" = 0 ]
 398                 then
 399                         test_known_broken_ok_ "$1"
 400                 else
 401                         test_known_broken_failure_ "$1"
 402                 fi
 403         fi
 404         echo >&3 ""
 405 }
 406
 407 test_expect_success () {
 408         test "$#" = 3 && { prereq=$1; shift; } || prereq=
 409         test "$#" = 2 ||
 410         error "bug in the test script: not 2 or 3 parameters to test-expect-success"
 411         if ! test_skip "$@"
 412         then
 413                 say >&3 "expecting success: $2"
 414                 test_run_ "$2"
 415                 if [ "$?" = 0 -a "$eval_ret" = 0 ]
 416                 then
 417                         test_ok_ "$1"
 418                 else
 419                         test_failure_ "$@"
 420                 fi
 421         fi
 422         echo >&3 ""
 423 }
 424
 425 test_expect_code () {
 426         test "$#" = 4 && { prereq=$1; shift; } || prereq=
 427         test "$#" = 3 ||
 428         error "bug in the test script: not 3 or 4 parameters to test-expect-code"
 429         if ! test_skip "$@"
 430         then
 431                 say >&3 "expecting exit code $1: $3"
 432                 test_run_ "$3"
 433                 if [ "$?" = 0 -a "$eval_ret" = "$1" ]
 434                 then
 435                         test_ok_ "$2"
 436                 else
 437                         test_failure_ "$@"
 438                 fi
 439         fi
 440         echo >&3 ""
 441 }
 442
 443 # test_external runs external test scripts that provide continuous
 444 # test output about their progress, and succeeds/fails on
 445 # zero/non-zero exit code.  It outputs the test output on stdout even
 446 # in non-verbose mode, and announces the external script with "* run
 447 # <n>: ..." before running it.  When providing relative paths, keep in
 448 # mind that all scripts run in "trash directory".
 449 # Usage: test_external description command arguments...
 450 # Example: test_external 'Perl API' perl ../path/to/test.pl
 451 test_external () {
 452         test "$#" = 4 && { prereq=$1; shift; } || prereq=
 453         test "$#" = 3 ||
 454         error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
 455         descr="$1"
 456         shift
 457         if ! test_skip "$descr" "$@"
 458         then
 459                 # Announce the script to reduce confusion about the
 460                 # test output that follows.
 461                 say_color "" " run $test_count: $descr ($*)"
 462                 # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
 463                 # to be able to use them in script
 464                 export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
 465                 # Run command; redirect its stderr to &4 as in
 466                 # test_run_, but keep its stdout on our stdout even in
 467                 # non-verbose mode.
 468                 "$@" 2>&4
 469                 if [ "$?" = 0 ]
 470                 then
 471                         test_ok_ "$descr"
 472                 else
 473                         test_failure_ "$descr" "$@"
 474                 fi
 475         fi
 476 }
 477
 478 # Like test_external, but in addition tests that the command generated
 479 # no output on stderr.
 480 test_external_without_stderr () {
 481         # The temporary file has no (and must have no) security
 482         # implications.
 483         tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
 484         stderr="$tmp/git-external-stderr.$$.tmp"
 485         test_external "$@" 4> "$stderr"
 486         [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
 487         descr="no stderr: $1"
 488         shift
 489         say >&3 "expecting no stderr from previous command"
 490         if [ ! -s "$stderr" ]; then
 491                 rm "$stderr"
 492                 test_ok_ "$descr"
 493         else
 494                 if [ "$verbose" = t ]; then
 495                         output=`echo; echo Stderr is:; cat "$stderr"`
 496                 else
 497                         output=
 498                 fi
 499                 # rm first in case test_failure exits.
 500                 rm "$stderr"
 501                 test_failure_ "$descr" "$@" "$output"
 502         fi
 503 }
 504
 505 # This is not among top-level (test_expect_success | test_expect_failure)
 506 # but is a prefix that can be used in the test script, like:
 507 #
 508 #       test_expect_success 'complain and die' '
 509 #           do something &&
 510 #           do something else &&
 511 #           test_must_fail git checkout ../outerspace
 512 #       '
 513 #
 514 # Writing this as "! git checkout ../outerspace" is wrong, because
 515 # the failure could be due to a segv.  We want a controlled failure.
 516
 517 test_must_fail () {
 518         "$@"
 519         test $? -gt 0 -a $? -le 129 -o $? -gt 192
 520 }
 521
 522 # test_cmp is a helper function to compare actual and expected output.
 523 # You can use it like:
 524 #
 525 #       test_expect_success 'foo works' '
 526 #               echo expected >expected &&
 527 #               foo >actual &&
 528 #               test_cmp expected actual
 529 #       '
 530 #
 531 # This could be written as either "cmp" or "diff -u", but:
 532 # - cmp's output is not nearly as easy to read as diff -u
 533 # - not all diff versions understand "-u"
 534
 535 test_cmp() {
 536         $GIT_TEST_CMP "$@"
 537 }
 538
 539 # Most tests can use the created repository, but some may need to create more.
 540 # Usage: test_create_repo <directory>
 541 test_create_repo () {
 542         test "$#" = 1 ||
 543         error "bug in the test script: not 1 parameter to test-create-repo"
 544         owd=`pwd`
 545         repo="$1"
 546         mkdir -p "$repo"
 547         cd "$repo" || error "Cannot setup test environment"
 548         "$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
 549         error "cannot run git init -- have you built things yet?"
 550         mv .git/hooks .git/hooks-disabled
 551         cd "$owd"
 552 }
 553
 554 test_done () {
 555         GIT_EXIT_OK=t
 556         test_results_dir="$TEST_DIRECTORY/test-results"
 557         mkdir -p "$test_results_dir"
 558         test_results_path="$test_results_dir/${0%.sh}-$$"
 559
 560         echo "total $test_count" >> $test_results_path
 561         echo "success $test_success" >> $test_results_path
 562         echo "fixed $test_fixed" >> $test_results_path
 563         echo "broken $test_broken" >> $test_results_path
 564         echo "failed $test_failure" >> $test_results_path
 565         echo "" >> $test_results_path
 566
 567         if test "$test_fixed" != 0
 568         then
 569                 say_color pass "fixed $test_fixed known breakage(s)"
 570         fi
 571         if test "$test_broken" != 0
 572         then
 573                 say_color error "still have $test_broken known breakage(s)"
 574                 msg="remaining $(($test_count-$test_broken)) test(s)"
 575         else
 576                 msg="$test_count test(s)"
 577         fi
 578         case "$test_failure" in
 579         0)
 580                 say_color pass "passed all $msg"
 581
 582                 test -d "$remove_trash" &&
 583                 cd "$(dirname "$remove_trash")" &&
 584                 rm -rf "$(basename "$remove_trash")"
 585
 586                 exit 0 ;;
 587
 588         *)
 589                 say_color error "failed $test_failure among $msg"
 590                 exit 1 ;;
 591
 592         esac
 593 }
 594
 595 # Test the binaries we have just built.  The tests are kept in
 596 # t/ subdirectory and are run in 'trash directory' subdirectory.
 597 TEST_DIRECTORY=$(pwd)
 598 if test -n "$valgrind"
 599 then
 600         make_symlink () {
 601                 test -h "$2" &&
 602                 test "$1" = "$(readlink "$2")" || {
 603                         # be super paranoid
 604                         if mkdir "$2".lock
 605                         then
 606                                 rm -f "$2" &&
 607                                 ln -s "$1" "$2" &&
 608                                 rm -r "$2".lock
 609                         else
 610                                 while test -d "$2".lock
 611                                 do
 612                                         say "Waiting for lock on $2."
 613                                         sleep 1
 614                                 done
 615                         fi
 616                 }
 617         }
 618
 619         make_valgrind_symlink () {
 620                 # handle only executables
 621                 test -x "$1" || return
 622
 623                 base=$(basename "$1")
 624                 symlink_target=$TEST_DIRECTORY/../$base
 625                 # do not override scripts
 626                 if test -x "$symlink_target" &&
 627                     test ! -d "$symlink_target" &&
 628                     test "#!" != "$(head -c 2 < "$symlink_target")"
 629                 then
 630                         symlink_target=../valgrind.sh
 631                 fi
 632                 case "$base" in
 633                 *.sh|*.perl)
 634                         symlink_target=../unprocessed-script
 635                 esac
 636                 # create the link, or replace it if it is out of date
 637                 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 638         }
 639
 640         # override all git executables in TEST_DIRECTORY/..
 641         GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 642         mkdir -p "$GIT_VALGRIND"/bin
 643         for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
 644         do
 645                 make_valgrind_symlink $file
 646         done
 647         OLDIFS=$IFS
 648         IFS=:
 649         for path in $PATH
 650         do
 651                 ls "$path"/git-* 2> /dev/null |
 652                 while read file
 653                 do
 654                         make_valgrind_symlink "$file"
 655                 done
 656         done
 657         IFS=$OLDIFS
 658         PATH=$GIT_VALGRIND/bin:$PATH
 659         GIT_EXEC_PATH=$GIT_VALGRIND/bin
 660         export GIT_VALGRIND
 661 elif test -n "$GIT_TEST_INSTALLED" ; then
 662         GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 663         error "Cannot run git from $GIT_TEST_INSTALLED."
 664         PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
 665         GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 666 else # normal case, use ../bin-wrappers only unless $with_dashes:
 667         git_bin_dir="$TEST_DIRECTORY/../bin-wrappers"
 668         if ! test -x "$git_bin_dir/git" ; then
 669                 if test -z "$with_dashes" ; then
 670                         say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 671                 fi
 672                 with_dashes=t
 673         fi
 674         PATH="$git_bin_dir:$PATH"
 675         GIT_EXEC_PATH=$TEST_DIRECTORY/..
 676         if test -n "$with_dashes" ; then
 677                 PATH="$TEST_DIRECTORY/..:$PATH"
 678         fi
 679 fi
 680 GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
 681 unset GIT_CONFIG
 682 GIT_CONFIG_NOSYSTEM=1
 683 GIT_CONFIG_NOGLOBAL=1
 684 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
 685
 686 . ../GIT-BUILD-OPTIONS
 687
 688 GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
 689 export GITPERLLIB
 690 test -d ../templates/blt || {
 691         error "You haven't built things yet, have you?"
 692 }
 693
 694 if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 695 then
 696         GITPYTHONLIB="$(pwd)/../git_remote_helpers/build/lib"
 697         export GITPYTHONLIB
 698         test -d ../git_remote_helpers/build || {
 699                 error "You haven't built git_remote_helpers yet, have you?"
 700         }
 701 fi
 702
 703 if ! test -x ../test-chmtime; then
 704         echo >&2 'You need to build test-chmtime:'
 705         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 706         exit 1
 707 fi
 708
 709 # Test repository
 710 test="trash directory.$(basename "$0" .sh)"
 711 test -n "$root" && test="$root/$test"
 712 case "$test" in
 713 /*) TRASH_DIRECTORY="$test" ;;
 714  *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
 715 esac
 716 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 717 rm -fr "$test" || {
 718         GIT_EXIT_OK=t
 719         echo >&5 "FATAL: Cannot prepare test area"
 720         exit 1
 721 }
 722
 723 test_create_repo "$test"
 724 # Use -P to resolve symlinks in our working directory so that the cwd
 725 # in subprocesses like git equals our $PWD (for pathname comparisons).
 726 cd -P "$test" || exit 1
 727
 728 this_test=${0##*/}
 729 this_test=${this_test%%-*}
 730 for skp in $GIT_SKIP_TESTS
 731 do
 732         to_skip=
 733         for skp in $GIT_SKIP_TESTS
 734         do
 735                 case "$this_test" in
 736                 $skp)
 737                         to_skip=t
 738                 esac
 739         done
 740         case "$to_skip" in
 741         t)
 742                 say_color skip >&3 "skipping test $this_test altogether"
 743                 say_color skip "skip all tests in $this_test"
 744                 test_done
 745         esac
 746 done
 747
 748 # Provide an implementation of the 'yes' utility
 749 yes () {
 750         if test $# = 0
 751         then
 752                 y=y
 753         else
 754                 y="$*"
 755         fi
 756
 757         while echo "$y"
 758         do
 759                 :
 760         done
 761 }
 762
 763 # Fix some commands on Windows
 764 case $(uname -s) in
 765 *MINGW*)
 766         # Windows has its own (incompatible) sort and find
 767         sort () {
 768                 /usr/bin/sort "$@"
 769         }
 770         find () {
 771                 /usr/bin/find "$@"
 772         }
 773         sum () {
 774                 md5sum "$@"
 775         }
 776         # git sees Windows-style pwd
 777         pwd () {
 778                 builtin pwd -W
 779         }
 780         # no POSIX permissions
 781         # backslashes in pathspec are converted to '/'
 782         # exec does not inherit the PID
 783         ;;
 784 *)
 785         test_set_prereq POSIXPERM
 786         test_set_prereq BSLASHPSPEC
 787         test_set_prereq EXECKEEPSPID
 788         ;;
 789 esac
 790
 791 test -z "$NO_PERL" && test_set_prereq PERL
 792 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 793
 794 # test whether the filesystem supports symbolic links
 795 ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
 796 rm -f y