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 test_tick () {
 234         if test -z "${test_tick+set}"
 235         then
 236                 test_tick=1112911993
 237         else
 238                 test_tick=$(($test_tick + 60))
 239         fi
 240         GIT_COMMITTER_DATE="$test_tick -0700"
 241         GIT_AUTHOR_DATE="$test_tick -0700"
 242         export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 243 }
 244
 245 # Call test_commit with the arguments "<message> [<file> [<contents>]]"
 246 #
 247 # This will commit a file with the given contents and the given commit
 248 # message.  It will also add a tag with <message> as name.
 249 #
 250 # Both <file> and <contents> default to <message>.
 251
 252 test_commit () {
 253         file=${2:-"$1.t"}
 254         echo "${3-$1}" > "$file" &&
 255         git add "$file" &&
 256         test_tick &&
 257         git commit -m "$1" &&
 258         git tag "$1"
 259 }
 260
 261 # Call test_merge with the arguments "<message> <commit>", where <commit>
 262 # can be a tag pointing to the commit-to-merge.
 263
 264 test_merge () {
 265         test_tick &&
 266         git merge -m "$1" "$2" &&
 267         git tag "$1"
 268 }
 269
 270 # This function helps systems where core.filemode=false is set.
 271 # Use it instead of plain 'chmod +x' to set or unset the executable bit
 272 # of a file in the working directory and add it to the index.
 273
 274 test_chmod () {
 275         chmod "$@" &&
 276         git update-index --add "--chmod=$@"
 277 }
 278
 279 # Use test_set_prereq to tell that a particular prerequisite is available.
 280 # The prerequisite can later be checked for in two ways:
 281 #
 282 # - Explicitly using test_have_prereq.
 283 #
 284 # - Implicitly by specifying the prerequisite tag in the calls to
 285 #   test_expect_{success,failure,code}.
 286 #
 287 # The single parameter is the prerequisite tag (a simple word, in all
 288 # capital letters by convention).
 289
 290 test_set_prereq () {
 291         satisfied="$satisfied$1 "
 292 }
 293 satisfied=" "
 294
 295 test_have_prereq () {
 296         case $satisfied in
 297         *" $1 "*)
 298                 : yes, have it ;;
 299         *)
 300                 ! : nope ;;
 301         esac
 302 }
 303
 304 # You are not expected to call test_ok_ and test_failure_ directly, use
 305 # the text_expect_* functions instead.
 306
 307 test_ok_ () {
 308         test_success=$(($test_success + 1))
 309         say_color "" "  ok $test_count: $@"
 310 }
 311
 312 test_failure_ () {
 313         test_failure=$(($test_failure + 1))
 314         say_color error "FAIL $test_count: $1"
 315         shift
 316         echo "$@" | sed -e 's/^/        /'
 317         test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 318 }
 319
 320 test_known_broken_ok_ () {
 321         test_fixed=$(($test_fixed+1))
 322         say_color "" "  FIXED $test_count: $@"
 323 }
 324
 325 test_known_broken_failure_ () {
 326         test_broken=$(($test_broken+1))
 327         say_color skip "  still broken $test_count: $@"
 328 }
 329
 330 test_debug () {
 331         test "$debug" = "" || eval "$1"
 332 }
 333
 334 test_run_ () {
 335         eval >&3 2>&4 "$1"
 336         eval_ret="$?"
 337         return 0
 338 }
 339
 340 test_skip () {
 341         test_count=$(($test_count+1))
 342         to_skip=
 343         for skp in $GIT_SKIP_TESTS
 344         do
 345                 case $this_test.$test_count in
 346                 $skp)
 347                         to_skip=t
 348                 esac
 349         done
 350         if test -z "$to_skip" && test -n "$prereq" &&
 351            ! test_have_prereq "$prereq"
 352         then
 353                 to_skip=t
 354         fi
 355         case "$to_skip" in
 356         t)
 357                 say_color skip >&3 "skipping test: $@"
 358                 say_color skip "skip $test_count: $1"
 359                 : true
 360                 ;;
 361         *)
 362                 false
 363                 ;;
 364         esac
 365 }
 366
 367 test_expect_failure () {
 368         test "$#" = 3 && { prereq=$1; shift; } || prereq=
 369         test "$#" = 2 ||
 370         error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
 371         if ! test_skip "$@"
 372         then
 373                 say >&3 "checking known breakage: $2"
 374                 test_run_ "$2"
 375                 if [ "$?" = 0 -a "$eval_ret" = 0 ]
 376                 then
 377                         test_known_broken_ok_ "$1"
 378                 else
 379                         test_known_broken_failure_ "$1"
 380                 fi
 381         fi
 382         echo >&3 ""
 383 }
 384
 385 test_expect_success () {
 386         test "$#" = 3 && { prereq=$1; shift; } || prereq=
 387         test "$#" = 2 ||
 388         error "bug in the test script: not 2 or 3 parameters to test-expect-success"
 389         if ! test_skip "$@"
 390         then
 391                 say >&3 "expecting success: $2"
 392                 test_run_ "$2"
 393                 if [ "$?" = 0 -a "$eval_ret" = 0 ]
 394                 then
 395                         test_ok_ "$1"
 396                 else
 397                         test_failure_ "$@"
 398                 fi
 399         fi
 400         echo >&3 ""
 401 }
 402
 403 test_expect_code () {
 404         test "$#" = 4 && { prereq=$1; shift; } || prereq=
 405         test "$#" = 3 ||
 406         error "bug in the test script: not 3 or 4 parameters to test-expect-code"
 407         if ! test_skip "$@"
 408         then
 409                 say >&3 "expecting exit code $1: $3"
 410                 test_run_ "$3"
 411                 if [ "$?" = 0 -a "$eval_ret" = "$1" ]
 412                 then
 413                         test_ok_ "$2"
 414                 else
 415                         test_failure_ "$@"
 416                 fi
 417         fi
 418         echo >&3 ""
 419 }
 420
 421 # test_external runs external test scripts that provide continuous
 422 # test output about their progress, and succeeds/fails on
 423 # zero/non-zero exit code.  It outputs the test output on stdout even
 424 # in non-verbose mode, and announces the external script with "* run
 425 # <n>: ..." before running it.  When providing relative paths, keep in
 426 # mind that all scripts run in "trash directory".
 427 # Usage: test_external description command arguments...
 428 # Example: test_external 'Perl API' perl ../path/to/test.pl
 429 test_external () {
 430         test "$#" = 4 && { prereq=$1; shift; } || prereq=
 431         test "$#" = 3 ||
 432         error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
 433         descr="$1"
 434         shift
 435         if ! test_skip "$descr" "$@"
 436         then
 437                 # Announce the script to reduce confusion about the
 438                 # test output that follows.
 439                 say_color "" " run $test_count: $descr ($*)"
 440                 # Run command; redirect its stderr to &4 as in
 441                 # test_run_, but keep its stdout on our stdout even in
 442                 # non-verbose mode.
 443                 "$@" 2>&4
 444                 if [ "$?" = 0 ]
 445                 then
 446                         test_ok_ "$descr"
 447                 else
 448                         test_failure_ "$descr" "$@"
 449                 fi
 450         fi
 451 }
 452
 453 # Like test_external, but in addition tests that the command generated
 454 # no output on stderr.
 455 test_external_without_stderr () {
 456         # The temporary file has no (and must have no) security
 457         # implications.
 458         tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
 459         stderr="$tmp/git-external-stderr.$$.tmp"
 460         test_external "$@" 4> "$stderr"
 461         [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
 462         descr="no stderr: $1"
 463         shift
 464         say >&3 "expecting no stderr from previous command"
 465         if [ ! -s "$stderr" ]; then
 466                 rm "$stderr"
 467                 test_ok_ "$descr"
 468         else
 469                 if [ "$verbose" = t ]; then
 470                         output=`echo; echo Stderr is:; cat "$stderr"`
 471                 else
 472                         output=
 473                 fi
 474                 # rm first in case test_failure exits.
 475                 rm "$stderr"
 476                 test_failure_ "$descr" "$@" "$output"
 477         fi
 478 }
 479
 480 # This is not among top-level (test_expect_success | test_expect_failure)
 481 # but is a prefix that can be used in the test script, like:
 482 #
 483 #       test_expect_success 'complain and die' '
 484 #           do something &&
 485 #           do something else &&
 486 #           test_must_fail git checkout ../outerspace
 487 #       '
 488 #
 489 # Writing this as "! git checkout ../outerspace" is wrong, because
 490 # the failure could be due to a segv.  We want a controlled failure.
 491
 492 test_must_fail () {
 493         "$@"
 494         test $? -gt 0 -a $? -le 129 -o $? -gt 192
 495 }
 496
 497 # test_cmp is a helper function to compare actual and expected output.
 498 # You can use it like:
 499 #
 500 #       test_expect_success 'foo works' '
 501 #               echo expected >expected &&
 502 #               foo >actual &&
 503 #               test_cmp expected actual
 504 #       '
 505 #
 506 # This could be written as either "cmp" or "diff -u", but:
 507 # - cmp's output is not nearly as easy to read as diff -u
 508 # - not all diff versions understand "-u"
 509
 510 test_cmp() {
 511         $GIT_TEST_CMP "$@"
 512 }
 513
 514 # Most tests can use the created repository, but some may need to create more.
 515 # Usage: test_create_repo <directory>
 516 test_create_repo () {
 517         test "$#" = 1 ||
 518         error "bug in the test script: not 1 parameter to test-create-repo"
 519         owd=`pwd`
 520         repo="$1"
 521         mkdir -p "$repo"
 522         cd "$repo" || error "Cannot setup test environment"
 523         "$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
 524         error "cannot run git init -- have you built things yet?"
 525         mv .git/hooks .git/hooks-disabled
 526         cd "$owd"
 527 }
 528
 529 test_done () {
 530         GIT_EXIT_OK=t
 531         test_results_dir="$TEST_DIRECTORY/test-results"
 532         mkdir -p "$test_results_dir"
 533         test_results_path="$test_results_dir/${0%.sh}-$$"
 534
 535         echo "total $test_count" >> $test_results_path
 536         echo "success $test_success" >> $test_results_path
 537         echo "fixed $test_fixed" >> $test_results_path
 538         echo "broken $test_broken" >> $test_results_path
 539         echo "failed $test_failure" >> $test_results_path
 540         echo "" >> $test_results_path
 541
 542         if test "$test_fixed" != 0
 543         then
 544                 say_color pass "fixed $test_fixed known breakage(s)"
 545         fi
 546         if test "$test_broken" != 0
 547         then
 548                 say_color error "still have $test_broken known breakage(s)"
 549                 msg="remaining $(($test_count-$test_broken)) test(s)"
 550         else
 551                 msg="$test_count test(s)"
 552         fi
 553         case "$test_failure" in
 554         0)
 555                 say_color pass "passed all $msg"
 556
 557                 test -d "$remove_trash" &&
 558                 cd "$(dirname "$remove_trash")" &&
 559                 rm -rf "$(basename "$remove_trash")"
 560
 561                 exit 0 ;;
 562
 563         *)
 564                 say_color error "failed $test_failure among $msg"
 565                 exit 1 ;;
 566
 567         esac
 568 }
 569
 570 # Test the binaries we have just built.  The tests are kept in
 571 # t/ subdirectory and are run in 'trash directory' subdirectory.
 572 TEST_DIRECTORY=$(pwd)
 573 if test -n "$valgrind"
 574 then
 575         make_symlink () {
 576                 test -h "$2" &&
 577                 test "$1" = "$(readlink "$2")" || {
 578                         # be super paranoid
 579                         if mkdir "$2".lock
 580                         then
 581                                 rm -f "$2" &&
 582                                 ln -s "$1" "$2" &&
 583                                 rm -r "$2".lock
 584                         else
 585                                 while test -d "$2".lock
 586                                 do
 587                                         say "Waiting for lock on $2."
 588                                         sleep 1
 589                                 done
 590                         fi
 591                 }
 592         }
 593
 594         make_valgrind_symlink () {
 595                 # handle only executables
 596                 test -x "$1" || return
 597
 598                 base=$(basename "$1")
 599                 symlink_target=$TEST_DIRECTORY/../$base
 600                 # do not override scripts
 601                 if test -x "$symlink_target" &&
 602                     test ! -d "$symlink_target" &&
 603                     test "#!" != "$(head -c 2 < "$symlink_target")"
 604                 then
 605                         symlink_target=../valgrind.sh
 606                 fi
 607                 case "$base" in
 608                 *.sh|*.perl)
 609                         symlink_target=../unprocessed-script
 610                 esac
 611                 # create the link, or replace it if it is out of date
 612                 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 613         }
 614
 615         # override all git executables in TEST_DIRECTORY/..
 616         GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 617         mkdir -p "$GIT_VALGRIND"/bin
 618         for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
 619         do
 620                 make_valgrind_symlink $file
 621         done
 622         OLDIFS=$IFS
 623         IFS=:
 624         for path in $PATH
 625         do
 626                 ls "$path"/git-* 2> /dev/null |
 627                 while read file
 628                 do
 629                         make_valgrind_symlink "$file"
 630                 done
 631         done
 632         IFS=$OLDIFS
 633         PATH=$GIT_VALGRIND/bin:$PATH
 634         GIT_EXEC_PATH=$GIT_VALGRIND/bin
 635         export GIT_VALGRIND
 636 elif test -n "$GIT_TEST_INSTALLED" ; then
 637         GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 638         error "Cannot run git from $GIT_TEST_INSTALLED."
 639         PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
 640         GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 641 else # normal case, use ../bin-wrappers only unless $with_dashes:
 642         git_bin_dir="$TEST_DIRECTORY/../bin-wrappers"
 643         if ! test -x "$git_bin_dir/git" ; then
 644                 if test -z "$with_dashes" ; then
 645                         say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 646                 fi
 647                 with_dashes=t
 648         fi
 649         PATH="$git_bin_dir:$PATH"
 650         GIT_EXEC_PATH=$TEST_DIRECTORY/..
 651         if test -n "$with_dashes" ; then
 652                 PATH="$TEST_DIRECTORY/..:$PATH"
 653         fi
 654 fi
 655 GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
 656 unset GIT_CONFIG
 657 GIT_CONFIG_NOSYSTEM=1
 658 GIT_CONFIG_NOGLOBAL=1
 659 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
 660
 661 . ../GIT-BUILD-OPTIONS
 662
 663 GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
 664 export GITPERLLIB
 665 test -d ../templates/blt || {
 666         error "You haven't built things yet, have you?"
 667 }
 668
 669 if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 670 then
 671         GITPYTHONLIB="$(pwd)/../git_remote_helpers/build/lib"
 672         export GITPYTHONLIB
 673         test -d ../git_remote_helpers/build || {
 674                 error "You haven't built git_remote_helpers yet, have you?"
 675         }
 676 fi
 677
 678 if ! test -x ../test-chmtime; then
 679         echo >&2 'You need to build test-chmtime:'
 680         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 681         exit 1
 682 fi
 683
 684 # Test repository
 685 test="trash directory.$(basename "$0" .sh)"
 686 test -n "$root" && test="$root/$test"
 687 case "$test" in
 688 /*) TRASH_DIRECTORY="$test" ;;
 689  *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
 690 esac
 691 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 692 rm -fr "$test" || {
 693         GIT_EXIT_OK=t
 694         echo >&5 "FATAL: Cannot prepare test area"
 695         exit 1
 696 }
 697
 698 test_create_repo "$test"
 699 # Use -P to resolve symlinks in our working directory so that the cwd
 700 # in subprocesses like git equals our $PWD (for pathname comparisons).
 701 cd -P "$test" || exit 1
 702
 703 this_test=${0##*/}
 704 this_test=${this_test%%-*}
 705 for skp in $GIT_SKIP_TESTS
 706 do
 707         to_skip=
 708         for skp in $GIT_SKIP_TESTS
 709         do
 710                 case "$this_test" in
 711                 $skp)
 712                         to_skip=t
 713                 esac
 714         done
 715         case "$to_skip" in
 716         t)
 717                 say_color skip >&3 "skipping test $this_test altogether"
 718                 say_color skip "skip all tests in $this_test"
 719                 test_done
 720         esac
 721 done
 722
 723 # Provide an implementation of the 'yes' utility
 724 yes () {
 725         if test $# = 0
 726         then
 727                 y=y
 728         else
 729                 y="$*"
 730         fi
 731
 732         while echo "$y"
 733         do
 734                 :
 735         done
 736 }
 737
 738 # Fix some commands on Windows
 739 case $(uname -s) in
 740 *MINGW*)
 741         # Windows has its own (incompatible) sort and find
 742         sort () {
 743                 /usr/bin/sort "$@"
 744         }
 745         find () {
 746                 /usr/bin/find "$@"
 747         }
 748         sum () {
 749                 md5sum "$@"
 750         }
 751         # git sees Windows-style pwd
 752         pwd () {
 753                 builtin pwd -W
 754         }
 755         # no POSIX permissions
 756         # backslashes in pathspec are converted to '/'
 757         # exec does not inherit the PID
 758         ;;
 759 *)
 760         test_set_prereq POSIXPERM
 761         test_set_prereq BSLASHPSPEC
 762         test_set_prereq EXECKEEPSPID
 763         ;;
 764 esac
 765
 766 test -z "$NO_PERL" && test_set_prereq PERL
 767 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 768
 769 # test whether the filesystem supports symbolic links
 770 ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
 771 rm -f y