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