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