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