t/test-lib.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5 # This program is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see http://www.gnu.org/licenses/ .
  17
  18 # if --tee was passed, write the output not only to the terminal, but
  19 # additionally to the file test-results/$BASENAME.out, too.
  20 case "$GIT_TEST_TEE_STARTED, $* " in
  21 done,*)
  22         # do not redirect again
  23         ;;
  24 *' --tee '*|*' --va'*)
  25         mkdir -p test-results
  26         BASE=test-results/$(basename "$0" .sh)
  27         (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
  28          echo $? > $BASE.exit) | tee $BASE.out
  29         test "$(cat $BASE.exit)" = 0
  30         exit
  31         ;;
  32 esac
  33
  34 # Keep the original TERM for say_color
  35 ORIGINAL_TERM=$TERM
  36
  37 # For repeatability, reset the environment to known value.
  38 LANG=C
  39 LC_ALL=C
  40 PAGER=cat
  41 TZ=UTC
  42 TERM=dumb
  43 export LANG LC_ALL PAGER TERM TZ
  44 EDITOR=:
  45 unset VISUAL
  46 unset GIT_EDITOR
  47 unset AUTHOR_DATE
  48 unset AUTHOR_EMAIL
  49 unset AUTHOR_NAME
  50 unset COMMIT_AUTHOR_EMAIL
  51 unset COMMIT_AUTHOR_NAME
  52 unset EMAIL
  53 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
  54 unset GIT_AUTHOR_DATE
  55 GIT_AUTHOR_EMAIL=author@example.com
  56 GIT_AUTHOR_NAME='A U Thor'
  57 unset GIT_COMMITTER_DATE
  58 GIT_COMMITTER_EMAIL=committer@example.com
  59 GIT_COMMITTER_NAME='C O Mitter'
  60 unset GIT_DIFF_OPTS
  61 unset GIT_DIR
  62 unset GIT_WORK_TREE
  63 unset GIT_EXTERNAL_DIFF
  64 unset GIT_INDEX_FILE
  65 unset GIT_OBJECT_DIRECTORY
  66 unset GIT_CEILING_DIRECTORIES
  67 unset SHA1_FILE_DIRECTORIES
  68 unset SHA1_FILE_DIRECTORY
  69 unset GIT_NOTES_REF
  70 unset GIT_NOTES_DISPLAY_REF
  71 unset GIT_NOTES_REWRITE_REF
  72 unset GIT_NOTES_REWRITE_MODE
  73 GIT_MERGE_VERBOSITY=5
  74 export GIT_MERGE_VERBOSITY
  75 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
  76 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
  77 export EDITOR
  78
  79 # Protect ourselves from common misconfiguration to export
  80 # CDPATH into the environment
  81 unset CDPATH
  82
  83 unset GREP_OPTIONS
  84
  85 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
  86         1|2|true)
  87                 echo "* warning: Some tests will not work if GIT_TRACE" \
  88                         "is set as to trace on STDERR ! *"
  89                 echo "* warning: Please set GIT_TRACE to something" \
  90                         "other than 1, 2 or true ! *"
  91                 ;;
  92 esac
  93
  94 # Convenience
  95 #
  96 # A regexp to match 5 and 40 hexdigits
  97 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
  98 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
  99
 100 # Each test should start with something like this, after copyright notices:
 101 #
 102 # test_description='Description of this test...
 103 # This test checks if command xyzzy does the right thing...
 104 # '
 105 # . ./test-lib.sh
 106 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
 107                 TERM=$ORIGINAL_TERM &&
 108                 export TERM &&
 109                 [ -t 1 ] &&
 110                 tput bold >/dev/null 2>&1 &&
 111                 tput setaf 1 >/dev/null 2>&1 &&
 112                 tput sgr0 >/dev/null 2>&1
 113         ) &&
 114         color=t
 115
 116 while test "$#" -ne 0
 117 do
 118         case "$1" in
 119         -d|--d|--de|--deb|--debu|--debug)
 120                 debug=t; shift ;;
 121         -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 122                 immediate=t; shift ;;
 123         -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 124                 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 125         -h|--h|--he|--hel|--help)
 126                 help=t; shift ;;
 127         -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 128                 verbose=t; shift ;;
 129         -q|--q|--qu|--qui|--quie|--quiet)
 130                 quiet=t; shift ;;
 131         --with-dashes)
 132                 with_dashes=t; shift ;;
 133         --no-color)
 134                 color=; shift ;;
 135         --no-python)
 136                 # noop now...
 137                 shift ;;
 138         --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 139                 valgrind=t; verbose=t; shift ;;
 140         --tee)
 141                 shift ;; # was handled already
 142         --root=*)
 143                 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 144                 shift ;;
 145         *)
 146                 echo "error: unknown test option '$1'" >&2; exit 1 ;;
 147         esac
 148 done
 149
 150 if test -n "$color"; then
 151         say_color () {
 152                 (
 153                 TERM=$ORIGINAL_TERM
 154                 export TERM
 155                 case "$1" in
 156                         error) tput bold; tput setaf 1;; # bold red
 157                         skip)  tput bold; tput setaf 2;; # bold green
 158                         pass)  tput setaf 2;;            # green
 159                         info)  tput setaf 3;;            # brown
 160                         *) test -n "$quiet" && return;;
 161                 esac
 162                 shift
 163                 printf "* %s" "$*"
 164                 tput sgr0
 165                 echo
 166                 )
 167         }
 168 else
 169         say_color() {
 170                 test -z "$1" && test -n "$quiet" && return
 171                 shift
 172                 echo "* $*"
 173         }
 174 fi
 175
 176 error () {
 177         say_color error "error: $*"
 178         GIT_EXIT_OK=t
 179         exit 1
 180 }
 181
 182 say () {
 183         say_color info "$*"
 184 }
 185
 186 test "${test_description}" != "" ||
 187 error "Test script did not set test_description."
 188
 189 if test "$help" = "t"
 190 then
 191         echo "$test_description"
 192         exit 0
 193 fi
 194
 195 exec 5>&1
 196 if test "$verbose" = "t"
 197 then
 198         exec 4>&2 3>&1
 199 else
 200         exec 4>/dev/null 3>/dev/null
 201 fi
 202
 203 test_failure=0
 204 test_count=0
 205 test_fixed=0
 206 test_broken=0
 207 test_success=0
 208
 209 die () {
 210         code=$?
 211         if test -n "$GIT_EXIT_OK"
 212         then
 213                 exit $code
 214         else
 215                 echo >&5 "FATAL: Unexpected exit with code $code"
 216                 exit 1
 217         fi
 218 }
 219
 220 GIT_EXIT_OK=
 221 trap 'die' EXIT
 222
 223 # The semantics of the editor variables are that of invoking
 224 # sh -c "$EDITOR \"$@\"" files ...
 225 #
 226 # If our trash directory contains shell metacharacters, they will be
 227 # interpreted if we just set $EDITOR directly, so do a little dance with
 228 # environment variables to work around this.
 229 #
 230 # In particular, quoting isn't enough, as the path may contain the same quote
 231 # that we're using.
 232 test_set_editor () {
 233         FAKE_EDITOR="$1"
 234         export FAKE_EDITOR
 235         EDITOR='"$FAKE_EDITOR"'
 236         export EDITOR
 237 }
 238
 239 test_decode_color () {
 240         sed     -e 's/.\[1m/<WHITE>/g' \
 241                 -e 's/.\[31m/<RED>/g' \
 242                 -e 's/.\[32m/<GREEN>/g' \
 243                 -e 's/.\[33m/<YELLOW>/g' \
 244                 -e 's/.\[34m/<BLUE>/g' \
 245                 -e 's/.\[35m/<MAGENTA>/g' \
 246                 -e 's/.\[36m/<CYAN>/g' \
 247                 -e 's/.\[m/<RESET>/g'
 248 }
 249
 250 q_to_nul () {
 251         perl -pe 'y/Q/\000/'
 252 }
 253
 254 q_to_cr () {
 255         tr Q '\015'
 256 }
 257
 258 append_cr () {
 259         sed -e 's/$/Q/' | tr Q '\015'
 260 }
 261
 262 remove_cr () {
 263         tr '\015' Q | sed -e 's/Q$//'
 264 }
 265
 266 test_tick () {
 267         if test -z "${test_tick+set}"
 268         then
 269                 test_tick=1112911993
 270         else
 271                 test_tick=$(($test_tick + 60))
 272         fi
 273         GIT_COMMITTER_DATE="$test_tick -0700"
 274         GIT_AUTHOR_DATE="$test_tick -0700"
 275         export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 276 }
 277
 278 # Call test_commit with the arguments "<message> [<file> [<contents>]]"
 279 #
 280 # This will commit a file with the given contents and the given commit
 281 # message.  It will also add a tag with <message> as name.
 282 #
 283 # Both <file> and <contents> default to <message>.
 284
 285 test_commit () {
 286         file=${2:-"$1.t"}
 287         echo "${3-$1}" > "$file" &&
 288         git add "$file" &&
 289         test_tick &&
 290         git commit -m "$1" &&
 291         git tag "$1"
 292 }
 293
 294 # Call test_merge with the arguments "<message> <commit>", where <commit>
 295 # can be a tag pointing to the commit-to-merge.
 296
 297 test_merge () {
 298         test_tick &&
 299         git merge -m "$1" "$2" &&
 300         git tag "$1"
 301 }
 302
 303 # This function helps systems where core.filemode=false is set.
 304 # Use it instead of plain 'chmod +x' to set or unset the executable bit
 305 # of a file in the working directory and add it to the index.
 306
 307 test_chmod () {
 308         chmod "$@" &&
 309         git update-index --add "--chmod=$@"
 310 }
 311
 312 # Use test_set_prereq to tell that a particular prerequisite is available.
 313 # The prerequisite can later be checked for in two ways:
 314 #
 315 # - Explicitly using test_have_prereq.
 316 #
 317 # - Implicitly by specifying the prerequisite tag in the calls to
 318 #   test_expect_{success,failure,code}.
 319 #
 320 # The single parameter is the prerequisite tag (a simple word, in all
 321 # capital letters by convention).
 322
 323 test_set_prereq () {
 324         satisfied="$satisfied$1 "
 325 }
 326 satisfied=" "
 327
 328 test_have_prereq () {
 329         case $satisfied in
 330         *" $1 "*)
 331                 : yes, have it ;;
 332         *)
 333                 ! : nope ;;
 334         esac
 335 }
 336
 337 # You are not expected to call test_ok_ and test_failure_ directly, use
 338 # the text_expect_* functions instead.
 339
 340 test_ok_ () {
 341         test_success=$(($test_success + 1))
 342         say_color "" "  ok $test_count: $@"
 343 }
 344
 345 test_failure_ () {
 346         test_failure=$(($test_failure + 1))
 347         say_color error "FAIL $test_count: $1"
 348         shift
 349         echo "$@" | sed -e 's/^/        /'
 350         test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 351 }
 352
 353 test_known_broken_ok_ () {
 354         test_fixed=$(($test_fixed+1))
 355         say_color "" "  FIXED $test_count: $@"
 356 }
 357
 358 test_known_broken_failure_ () {
 359         test_broken=$(($test_broken+1))
 360         say_color skip "  still broken $test_count: $@"
 361 }
 362
 363 test_debug () {
 364         test "$debug" = "" || eval "$1"
 365 }
 366
 367 test_run_ () {
 368         test_cleanup=:
 369         eval >&3 2>&4 "$1"
 370         eval_ret=$?
 371         eval >&3 2>&4 "$test_cleanup"
 372         return 0
 373 }
 374
 375 test_skip () {
 376         test_count=$(($test_count+1))
 377         to_skip=
 378         for skp in $GIT_SKIP_TESTS
 379         do
 380                 case $this_test.$test_count in
 381                 $skp)
 382                         to_skip=t
 383                 esac
 384         done
 385         if test -z "$to_skip" && test -n "$prereq" &&
 386            ! test_have_prereq "$prereq"
 387         then
 388                 to_skip=t
 389         fi
 390         case "$to_skip" in
 391         t)
 392                 say_color skip >&3 "skipping test: $@"
 393                 say_color skip "skip $test_count: $1"
 394                 : true
 395                 ;;
 396         *)
 397                 false
 398                 ;;
 399         esac
 400 }
 401
 402 test_expect_failure () {
 403         test "$#" = 3 && { prereq=$1; shift; } || prereq=
 404         test "$#" = 2 ||
 405         error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
 406         if ! test_skip "$@"
 407         then
 408                 say >&3 "checking known breakage: $2"
 409                 test_run_ "$2"
 410                 if [ "$?" = 0 -a "$eval_ret" = 0 ]
 411                 then
 412                         test_known_broken_ok_ "$1"
 413                 else
 414                         test_known_broken_failure_ "$1"
 415                 fi
 416         fi
 417         echo >&3 ""
 418 }
 419
 420 test_expect_success () {
 421         test "$#" = 3 && { prereq=$1; shift; } || prereq=
 422         test "$#" = 2 ||
 423         error "bug in the test script: not 2 or 3 parameters to test-expect-success"
 424         if ! test_skip "$@"
 425         then
 426                 say >&3 "expecting success: $2"
 427                 test_run_ "$2"
 428                 if [ "$?" = 0 -a "$eval_ret" = 0 ]
 429                 then
 430                         test_ok_ "$1"
 431                 else
 432                         test_failure_ "$@"
 433                 fi
 434         fi
 435         echo >&3 ""
 436 }
 437
 438 test_expect_code () {
 439         test "$#" = 4 && { prereq=$1; shift; } || prereq=
 440         test "$#" = 3 ||
 441         error "bug in the test script: not 3 or 4 parameters to test-expect-code"
 442         if ! test_skip "$@"
 443         then
 444                 say >&3 "expecting exit code $1: $3"
 445                 test_run_ "$3"
 446                 if [ "$?" = 0 -a "$eval_ret" = "$1" ]
 447                 then
 448                         test_ok_ "$2"
 449                 else
 450                         test_failure_ "$@"
 451                 fi
 452         fi
 453         echo >&3 ""
 454 }
 455
 456 # test_external runs external test scripts that provide continuous
 457 # test output about their progress, and succeeds/fails on
 458 # zero/non-zero exit code.  It outputs the test output on stdout even
 459 # in non-verbose mode, and announces the external script with "* run
 460 # <n>: ..." before running it.  When providing relative paths, keep in
 461 # mind that all scripts run in "trash directory".
 462 # Usage: test_external description command arguments...
 463 # Example: test_external 'Perl API' perl ../path/to/test.pl
 464 test_external () {
 465         test "$#" = 4 && { prereq=$1; shift; } || prereq=
 466         test "$#" = 3 ||
 467         error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
 468         descr="$1"
 469         shift
 470         if ! test_skip "$descr" "$@"
 471         then
 472                 # Announce the script to reduce confusion about the
 473                 # test output that follows.
 474                 say_color "" " run $test_count: $descr ($*)"
 475                 # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
 476                 # to be able to use them in script
 477                 export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
 478                 # Run command; redirect its stderr to &4 as in
 479                 # test_run_, but keep its stdout on our stdout even in
 480                 # non-verbose mode.
 481                 "$@" 2>&4
 482                 if [ "$?" = 0 ]
 483                 then
 484                         test_ok_ "$descr"
 485                 else
 486                         test_failure_ "$descr" "$@"
 487                 fi
 488         fi
 489 }
 490
 491 # Like test_external, but in addition tests that the command generated
 492 # no output on stderr.
 493 test_external_without_stderr () {
 494         # The temporary file has no (and must have no) security
 495         # implications.
 496         tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
 497         stderr="$tmp/git-external-stderr.$$.tmp"
 498         test_external "$@" 4> "$stderr"
 499         [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
 500         descr="no stderr: $1"
 501         shift
 502         say >&3 "expecting no stderr from previous command"
 503         if [ ! -s "$stderr" ]; then
 504                 rm "$stderr"
 505                 test_ok_ "$descr"
 506         else
 507                 if [ "$verbose" = t ]; then
 508                         output=`echo; echo Stderr is:; cat "$stderr"`
 509                 else
 510                         output=
 511                 fi
 512                 # rm first in case test_failure exits.
 513                 rm "$stderr"
 514                 test_failure_ "$descr" "$@" "$output"
 515         fi
 516 }
 517
 518 # This is not among top-level (test_expect_success | test_expect_failure)
 519 # but is a prefix that can be used in the test script, like:
 520 #
 521 #       test_expect_success 'complain and die' '
 522 #           do something &&
 523 #           do something else &&
 524 #           test_must_fail git checkout ../outerspace
 525 #       '
 526 #
 527 # Writing this as "! git checkout ../outerspace" is wrong, because
 528 # the failure could be due to a segv.  We want a controlled failure.
 529
 530 test_must_fail () {
 531         "$@"
 532         test $? -gt 0 -a $? -le 129 -o $? -gt 192
 533 }
 534
 535 # Similar to test_must_fail, but tolerates success, too.  This is
 536 # meant to be used in contexts like:
 537 #
 538 #       test_expect_success 'some command works without configuration' '
 539 #               test_might_fail git config --unset all.configuration &&
 540 #               do something
 541 #       '
 542 #
 543 # Writing "git config --unset all.configuration || :" would be wrong,
 544 # because we want to notice if it fails due to segv.
 545
 546 test_might_fail () {
 547         "$@"
 548         test $? -ge 0 -a $? -le 129 -o $? -gt 192
 549 }
 550
 551 # test_cmp is a helper function to compare actual and expected output.
 552 # You can use it like:
 553 #
 554 #       test_expect_success 'foo works' '
 555 #               echo expected >expected &&
 556 #               foo >actual &&
 557 #               test_cmp expected actual
 558 #       '
 559 #
 560 # This could be written as either "cmp" or "diff -u", but:
 561 # - cmp's output is not nearly as easy to read as diff -u
 562 # - not all diff versions understand "-u"
 563
 564 test_cmp() {
 565         $GIT_TEST_CMP "$@"
 566 }
 567
 568 # This function can be used to schedule some commands to be run
 569 # unconditionally at the end of the test to restore sanity:
 570 #
 571 #       test_expect_success 'test core.capslock' '
 572 #               git config core.capslock true &&
 573 #               test_when_finished "git config --unset core.capslock" &&
 574 #               hello world
 575 #       '
 576 #
 577 # That would be roughly equivalent to
 578 #
 579 #       test_expect_success 'test core.capslock' '
 580 #               git config core.capslock true &&
 581 #               hello world
 582 #               git config --unset core.capslock
 583 #       '
 584 #
 585 # except that the greeting and config --unset must both succeed for
 586 # the test to pass.
 587
 588 test_when_finished () {
 589         test_cleanup="{ $*
 590                 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
 591 }
 592
 593 # Most tests can use the created repository, but some may need to create more.
 594 # Usage: test_create_repo <directory>
 595 test_create_repo () {
 596         test "$#" = 1 ||
 597         error "bug in the test script: not 1 parameter to test-create-repo"
 598         owd=`pwd`
 599         repo="$1"
 600         mkdir -p "$repo"
 601         cd "$repo" || error "Cannot setup test environment"
 602         "$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
 603         error "cannot run git init -- have you built things yet?"
 604         mv .git/hooks .git/hooks-disabled
 605         cd "$owd"
 606 }
 607
 608 test_done () {
 609         GIT_EXIT_OK=t
 610         test_results_dir="$TEST_DIRECTORY/test-results"
 611         mkdir -p "$test_results_dir"
 612         test_results_path="$test_results_dir/${0%.sh}-$$"
 613
 614         echo "total $test_count" >> $test_results_path
 615         echo "success $test_success" >> $test_results_path
 616         echo "fixed $test_fixed" >> $test_results_path
 617         echo "broken $test_broken" >> $test_results_path
 618         echo "failed $test_failure" >> $test_results_path
 619         echo "" >> $test_results_path
 620
 621         if test "$test_fixed" != 0
 622         then
 623                 say_color pass "fixed $test_fixed known breakage(s)"
 624         fi
 625         if test "$test_broken" != 0
 626         then
 627                 say_color error "still have $test_broken known breakage(s)"
 628                 msg="remaining $(($test_count-$test_broken)) test(s)"
 629         else
 630                 msg="$test_count test(s)"
 631         fi
 632         case "$test_failure" in
 633         0)
 634                 say_color pass "passed all $msg"
 635
 636                 test -d "$remove_trash" &&
 637                 cd "$(dirname "$remove_trash")" &&
 638                 rm -rf "$(basename "$remove_trash")"
 639
 640                 exit 0 ;;
 641
 642         *)
 643                 say_color error "failed $test_failure among $msg"
 644                 exit 1 ;;
 645
 646         esac
 647 }
 648
 649 # Test the binaries we have just built.  The tests are kept in
 650 # t/ subdirectory and are run in 'trash directory' subdirectory.
 651 TEST_DIRECTORY=$(pwd)
 652 if test -n "$valgrind"
 653 then
 654         make_symlink () {
 655                 test -h "$2" &&
 656                 test "$1" = "$(readlink "$2")" || {
 657                         # be super paranoid
 658                         if mkdir "$2".lock
 659                         then
 660                                 rm -f "$2" &&
 661                                 ln -s "$1" "$2" &&
 662                                 rm -r "$2".lock
 663                         else
 664                                 while test -d "$2".lock
 665                                 do
 666                                         say "Waiting for lock on $2."
 667                                         sleep 1
 668                                 done
 669                         fi
 670                 }
 671         }
 672
 673         make_valgrind_symlink () {
 674                 # handle only executables
 675                 test -x "$1" || return
 676
 677                 base=$(basename "$1")
 678                 symlink_target=$TEST_DIRECTORY/../$base
 679                 # do not override scripts
 680                 if test -x "$symlink_target" &&
 681                     test ! -d "$symlink_target" &&
 682                     test "#!" != "$(head -c 2 < "$symlink_target")"
 683                 then
 684                         symlink_target=../valgrind.sh
 685                 fi
 686                 case "$base" in
 687                 *.sh|*.perl)
 688                         symlink_target=../unprocessed-script
 689                 esac
 690                 # create the link, or replace it if it is out of date
 691                 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 692         }
 693
 694         # override all git executables in TEST_DIRECTORY/..
 695         GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 696         mkdir -p "$GIT_VALGRIND"/bin
 697         for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
 698         do
 699                 make_valgrind_symlink $file
 700         done
 701         OLDIFS=$IFS
 702         IFS=:
 703         for path in $PATH
 704         do
 705                 ls "$path"/git-* 2> /dev/null |
 706                 while read file
 707                 do
 708                         make_valgrind_symlink "$file"
 709                 done
 710         done
 711         IFS=$OLDIFS
 712         PATH=$GIT_VALGRIND/bin:$PATH
 713         GIT_EXEC_PATH=$GIT_VALGRIND/bin
 714         export GIT_VALGRIND
 715 elif test -n "$GIT_TEST_INSTALLED" ; then
 716         GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 717         error "Cannot run git from $GIT_TEST_INSTALLED."
 718         PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
 719         GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 720 else # normal case, use ../bin-wrappers only unless $with_dashes:
 721         git_bin_dir="$TEST_DIRECTORY/../bin-wrappers"
 722         if ! test -x "$git_bin_dir/git" ; then
 723                 if test -z "$with_dashes" ; then
 724                         say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 725                 fi
 726                 with_dashes=t
 727         fi
 728         PATH="$git_bin_dir:$PATH"
 729         GIT_EXEC_PATH=$TEST_DIRECTORY/..
 730         if test -n "$with_dashes" ; then
 731                 PATH="$TEST_DIRECTORY/..:$PATH"
 732         fi
 733 fi
 734 GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
 735 unset GIT_CONFIG
 736 GIT_CONFIG_NOSYSTEM=1
 737 GIT_CONFIG_NOGLOBAL=1
 738 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
 739
 740 . ../GIT-BUILD-OPTIONS
 741
 742 if test -z "$GIT_TEST_CMP"
 743 then
 744         if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
 745         then
 746                 GIT_TEST_CMP="$DIFF -c"
 747         else
 748                 GIT_TEST_CMP="$DIFF -u"
 749         fi
 750 fi
 751
 752 GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
 753 export GITPERLLIB
 754 test -d ../templates/blt || {
 755         error "You haven't built things yet, have you?"
 756 }
 757
 758 if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 759 then
 760         GITPYTHONLIB="$(pwd)/../git_remote_helpers/build/lib"
 761         export GITPYTHONLIB
 762         test -d ../git_remote_helpers/build || {
 763                 error "You haven't built git_remote_helpers yet, have you?"
 764         }
 765 fi
 766
 767 if ! test -x ../test-chmtime; then
 768         echo >&2 'You need to build test-chmtime:'
 769         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 770         exit 1
 771 fi
 772
 773 # Test repository
 774 test="trash directory.$(basename "$0" .sh)"
 775 test -n "$root" && test="$root/$test"
 776 case "$test" in
 777 /*) TRASH_DIRECTORY="$test" ;;
 778  *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
 779 esac
 780 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 781 rm -fr "$test" || {
 782         GIT_EXIT_OK=t
 783         echo >&5 "FATAL: Cannot prepare test area"
 784         exit 1
 785 }
 786
 787 test_create_repo "$test"
 788 # Use -P to resolve symlinks in our working directory so that the cwd
 789 # in subprocesses like git equals our $PWD (for pathname comparisons).
 790 cd -P "$test" || exit 1
 791
 792 this_test=${0##*/}
 793 this_test=${this_test%%-*}
 794 for skp in $GIT_SKIP_TESTS
 795 do
 796         to_skip=
 797         for skp in $GIT_SKIP_TESTS
 798         do
 799                 case "$this_test" in
 800                 $skp)
 801                         to_skip=t
 802                 esac
 803         done
 804         case "$to_skip" in
 805         t)
 806                 say_color skip >&3 "skipping test $this_test altogether"
 807                 say_color skip "skip all tests in $this_test"
 808                 test_done
 809         esac
 810 done
 811
 812 # Provide an implementation of the 'yes' utility
 813 yes () {
 814         if test $# = 0
 815         then
 816                 y=y
 817         else
 818                 y="$*"
 819         fi
 820
 821         while echo "$y"
 822         do
 823                 :
 824         done
 825 }
 826
 827 # Fix some commands on Windows
 828 case $(uname -s) in
 829 *MINGW*)
 830         # Windows has its own (incompatible) sort and find
 831         sort () {
 832                 /usr/bin/sort "$@"
 833         }
 834         find () {
 835                 /usr/bin/find "$@"
 836         }
 837         sum () {
 838                 md5sum "$@"
 839         }
 840         # git sees Windows-style pwd
 841         pwd () {
 842                 builtin pwd -W
 843         }
 844         # no POSIX permissions
 845         # backslashes in pathspec are converted to '/'
 846         # exec does not inherit the PID
 847         ;;
 848 *)
 849         test_set_prereq POSIXPERM
 850         test_set_prereq BSLASHPSPEC
 851         test_set_prereq EXECKEEPSPID
 852         ;;
 853 esac
 854
 855 test -z "$NO_PERL" && test_set_prereq PERL
 856 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 857
 858 # test whether the filesystem supports symbolic links
 859 ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
 860 rm -f y