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