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 DIFF="${DIFF:-diff}"
  80
  81 if test -z "$GIT_TEST_CMP"
  82 then
  83         if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
  84         then
  85                 GIT_TEST_CMP="$DIFF -c"
  86         else
  87                 GIT_TEST_CMP="$DIFF -u"
  88         fi
  89 fi
  90
  91 # Protect ourselves from common misconfiguration to export
  92 # CDPATH into the environment
  93 unset CDPATH
  94
  95 unset GREP_OPTIONS
  96
  97 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
  98         1|2|true)
  99                 echo "* warning: Some tests will not work if GIT_TRACE" \
 100                         "is set as to trace on STDERR ! *"
 101                 echo "* warning: Please set GIT_TRACE to something" \
 102                         "other than 1, 2 or true ! *"
 103                 ;;
 104 esac
 105
 106 # Convenience
 107 #
 108 # A regexp to match 5 and 40 hexdigits
 109 _x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
 110 _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 111
 112 # Each test should start with something like this, after copyright notices:
 113 #
 114 # test_description='Description of this test...
 115 # This test checks if command xyzzy does the right thing...
 116 # '
 117 # . ./test-lib.sh
 118 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
 119                 TERM=$ORIGINAL_TERM &&
 120                 export TERM &&
 121                 [ -t 1 ] &&
 122                 tput bold >/dev/null 2>&1 &&
 123                 tput setaf 1 >/dev/null 2>&1 &&
 124                 tput sgr0 >/dev/null 2>&1
 125         ) &&
 126         color=t
 127
 128 while test "$#" -ne 0
 129 do
 130         case "$1" in
 131         -d|--d|--de|--deb|--debu|--debug)
 132                 debug=t; shift ;;
 133         -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
 134                 immediate=t; shift ;;
 135         -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
 136                 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
 137         -h|--h|--he|--hel|--help)
 138                 help=t; shift ;;
 139         -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 140                 verbose=t; shift ;;
 141         -q|--q|--qu|--qui|--quie|--quiet)
 142                 quiet=t; shift ;;
 143         --with-dashes)
 144                 with_dashes=t; shift ;;
 145         --no-color)
 146                 color=; shift ;;
 147         --no-python)
 148                 # noop now...
 149                 shift ;;
 150         --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
 151                 valgrind=t; verbose=t; shift ;;
 152         --tee)
 153                 shift ;; # was handled already
 154         --root=*)
 155                 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
 156                 shift ;;
 157         *)
 158                 echo "error: unknown test option '$1'" >&2; exit 1 ;;
 159         esac
 160 done
 161
 162 if test -n "$color"; then
 163         say_color () {
 164                 (
 165                 TERM=$ORIGINAL_TERM
 166                 export TERM
 167                 case "$1" in
 168                         error) tput bold; tput setaf 1;; # bold red
 169                         skip)  tput bold; tput setaf 2;; # bold green
 170                         pass)  tput setaf 2;;            # green
 171                         info)  tput setaf 3;;            # brown
 172                         *) test -n "$quiet" && return;;
 173                 esac
 174                 shift
 175                 printf "* %s" "$*"
 176                 tput sgr0
 177                 echo
 178                 )
 179         }
 180 else
 181         say_color() {
 182                 test -z "$1" && test -n "$quiet" && return
 183                 shift
 184                 echo "* $*"
 185         }
 186 fi
 187
 188 error () {
 189         say_color error "error: $*"
 190         GIT_EXIT_OK=t
 191         exit 1
 192 }
 193
 194 say () {
 195         say_color info "$*"
 196 }
 197
 198 test "${test_description}" != "" ||
 199 error "Test script did not set test_description."
 200
 201 if test "$help" = "t"
 202 then
 203         echo "$test_description"
 204         exit 0
 205 fi
 206
 207 exec 5>&1
 208 if test "$verbose" = "t"
 209 then
 210         exec 4>&2 3>&1
 211 else
 212         exec 4>/dev/null 3>/dev/null
 213 fi
 214
 215 test_failure=0
 216 test_count=0
 217 test_fixed=0
 218 test_broken=0
 219 test_success=0
 220
 221 die () {
 222         code=$?
 223         if test -n "$GIT_EXIT_OK"
 224         then
 225                 exit $code
 226         else
 227                 echo >&5 "FATAL: Unexpected exit with code $code"
 228                 exit 1
 229         fi
 230 }
 231
 232 GIT_EXIT_OK=
 233 trap 'die' EXIT
 234
 235 # The semantics of the editor variables are that of invoking
 236 # sh -c "$EDITOR \"$@\"" files ...
 237 #
 238 # If our trash directory contains shell metacharacters, they will be
 239 # interpreted if we just set $EDITOR directly, so do a little dance with
 240 # environment variables to work around this.
 241 #
 242 # In particular, quoting isn't enough, as the path may contain the same quote
 243 # that we're using.
 244 test_set_editor () {
 245         FAKE_EDITOR="$1"
 246         export FAKE_EDITOR
 247         EDITOR='"$FAKE_EDITOR"'
 248         export EDITOR
 249 }
 250
 251 test_decode_color () {
 252         sed     -e 's/.\[1m/<WHITE>/g' \
 253                 -e 's/.\[31m/<RED>/g' \
 254                 -e 's/.\[32m/<GREEN>/g' \
 255                 -e 's/.\[33m/<YELLOW>/g' \
 256                 -e 's/.\[34m/<BLUE>/g' \
 257                 -e 's/.\[35m/<MAGENTA>/g' \
 258                 -e 's/.\[36m/<CYAN>/g' \
 259                 -e 's/.\[m/<RESET>/g'
 260 }
 261
 262 q_to_nul () {
 263         perl -pe 'y/Q/\000/'
 264 }
 265
 266 q_to_cr () {
 267         tr Q '\015'
 268 }
 269
 270 append_cr () {
 271         sed -e 's/$/Q/' | tr Q '\015'
 272 }
 273
 274 remove_cr () {
 275         tr '\015' Q | sed -e 's/Q$//'
 276 }
 277
 278 test_tick () {
 279         if test -z "${test_tick+set}"
 280         then
 281                 test_tick=1112911993
 282         else
 283                 test_tick=$(($test_tick + 60))
 284         fi
 285         GIT_COMMITTER_DATE="$test_tick -0700"
 286         GIT_AUTHOR_DATE="$test_tick -0700"
 287         export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 288 }
 289
 290 # Call test_commit with the arguments "<message> [<file> [<contents>]]"
 291 #
 292 # This will commit a file with the given contents and the given commit
 293 # message.  It will also add a tag with <message> as name.
 294 #
 295 # Both <file> and <contents> default to <message>.
 296
 297 test_commit () {
 298         file=${2:-"$1.t"}
 299         echo "${3-$1}" > "$file" &&
 300         git add "$file" &&
 301         test_tick &&
 302         git commit -m "$1" &&
 303         git tag "$1"
 304 }
 305
 306 # Call test_merge with the arguments "<message> <commit>", where <commit>
 307 # can be a tag pointing to the commit-to-merge.
 308
 309 test_merge () {
 310         test_tick &&
 311         git merge -m "$1" "$2" &&
 312         git tag "$1"
 313 }
 314
 315 # This function helps systems where core.filemode=false is set.
 316 # Use it instead of plain 'chmod +x' to set or unset the executable bit
 317 # of a file in the working directory and add it to the index.
 318
 319 test_chmod () {
 320         chmod "$@" &&
 321         git update-index --add "--chmod=$@"
 322 }
 323
 324 # Use test_set_prereq to tell that a particular prerequisite is available.
 325 # The prerequisite can later be checked for in two ways:
 326 #
 327 # - Explicitly using test_have_prereq.
 328 #
 329 # - Implicitly by specifying the prerequisite tag in the calls to
 330 #   test_expect_{success,failure,code}.
 331 #
 332 # The single parameter is the prerequisite tag (a simple word, in all
 333 # capital letters by convention).
 334
 335 test_set_prereq () {
 336         satisfied="$satisfied$1 "
 337 }
 338 satisfied=" "
 339
 340 test_have_prereq () {
 341         case $satisfied in
 342         *" $1 "*)
 343                 : yes, have it ;;
 344         *)
 345                 ! : nope ;;
 346         esac
 347 }
 348
 349 # You are not expected to call test_ok_ and test_failure_ directly, use
 350 # the text_expect_* functions instead.
 351
 352 test_ok_ () {
 353         test_success=$(($test_success + 1))
 354         say_color "" "  ok $test_count: $@"
 355 }
 356
 357 test_failure_ () {
 358         test_failure=$(($test_failure + 1))
 359         say_color error "FAIL $test_count: $1"
 360         shift
 361         echo "$@" | sed -e 's/^/        /'
 362         test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
 363 }
 364
 365 test_known_broken_ok_ () {
 366         test_fixed=$(($test_fixed+1))
 367         say_color "" "  FIXED $test_count: $@"
 368 }
 369
 370 test_known_broken_failure_ () {
 371         test_broken=$(($test_broken+1))
 372         say_color skip "  still broken $test_count: $@"
 373 }
 374
 375 test_debug () {
 376         test "$debug" = "" || eval "$1"
 377 }
 378
 379 test_run_ () {
 380         test_cleanup=:
 381         eval >&3 2>&4 "$1"
 382         eval_ret=$?
 383         eval >&3 2>&4 "$test_cleanup"
 384         return 0
 385 }
 386
 387 test_skip () {
 388         test_count=$(($test_count+1))
 389         to_skip=
 390         for skp in $GIT_SKIP_TESTS
 391         do
 392                 case $this_test.$test_count in
 393                 $skp)
 394                         to_skip=t
 395                 esac
 396         done
 397         if test -z "$to_skip" && test -n "$prereq" &&
 398            ! test_have_prereq "$prereq"
 399         then
 400                 to_skip=t
 401         fi
 402         case "$to_skip" in
 403         t)
 404                 say_color skip >&3 "skipping test: $@"
 405                 say_color skip "skip $test_count: $1"
 406                 : true
 407                 ;;
 408         *)
 409                 false
 410                 ;;
 411         esac
 412 }
 413
 414 test_expect_failure () {
 415         test "$#" = 3 && { prereq=$1; shift; } || prereq=
 416         test "$#" = 2 ||
 417         error "bug in the test script: not 2 or 3 parameters to test-expect-failure"
 418         if ! test_skip "$@"
 419         then
 420                 say >&3 "checking known breakage: $2"
 421                 test_run_ "$2"
 422                 if [ "$?" = 0 -a "$eval_ret" = 0 ]
 423                 then
 424                         test_known_broken_ok_ "$1"
 425                 else
 426                         test_known_broken_failure_ "$1"
 427                 fi
 428         fi
 429         echo >&3 ""
 430 }
 431
 432 test_expect_success () {
 433         test "$#" = 3 && { prereq=$1; shift; } || prereq=
 434         test "$#" = 2 ||
 435         error "bug in the test script: not 2 or 3 parameters to test-expect-success"
 436         if ! test_skip "$@"
 437         then
 438                 say >&3 "expecting success: $2"
 439                 test_run_ "$2"
 440                 if [ "$?" = 0 -a "$eval_ret" = 0 ]
 441                 then
 442                         test_ok_ "$1"
 443                 else
 444                         test_failure_ "$@"
 445                 fi
 446         fi
 447         echo >&3 ""
 448 }
 449
 450 test_expect_code () {
 451         test "$#" = 4 && { prereq=$1; shift; } || prereq=
 452         test "$#" = 3 ||
 453         error "bug in the test script: not 3 or 4 parameters to test-expect-code"
 454         if ! test_skip "$@"
 455         then
 456                 say >&3 "expecting exit code $1: $3"
 457                 test_run_ "$3"
 458                 if [ "$?" = 0 -a "$eval_ret" = "$1" ]
 459                 then
 460                         test_ok_ "$2"
 461                 else
 462                         test_failure_ "$@"
 463                 fi
 464         fi
 465         echo >&3 ""
 466 }
 467
 468 # test_external runs external test scripts that provide continuous
 469 # test output about their progress, and succeeds/fails on
 470 # zero/non-zero exit code.  It outputs the test output on stdout even
 471 # in non-verbose mode, and announces the external script with "* run
 472 # <n>: ..." before running it.  When providing relative paths, keep in
 473 # mind that all scripts run in "trash directory".
 474 # Usage: test_external description command arguments...
 475 # Example: test_external 'Perl API' perl ../path/to/test.pl
 476 test_external () {
 477         test "$#" = 4 && { prereq=$1; shift; } || prereq=
 478         test "$#" = 3 ||
 479         error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
 480         descr="$1"
 481         shift
 482         if ! test_skip "$descr" "$@"
 483         then
 484                 # Announce the script to reduce confusion about the
 485                 # test output that follows.
 486                 say_color "" " run $test_count: $descr ($*)"
 487                 # Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
 488                 # to be able to use them in script
 489                 export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
 490                 # Run command; redirect its stderr to &4 as in
 491                 # test_run_, but keep its stdout on our stdout even in
 492                 # non-verbose mode.
 493                 "$@" 2>&4
 494                 if [ "$?" = 0 ]
 495                 then
 496                         test_ok_ "$descr"
 497                 else
 498                         test_failure_ "$descr" "$@"
 499                 fi
 500         fi
 501 }
 502
 503 # Like test_external, but in addition tests that the command generated
 504 # no output on stderr.
 505 test_external_without_stderr () {
 506         # The temporary file has no (and must have no) security
 507         # implications.
 508         tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
 509         stderr="$tmp/git-external-stderr.$$.tmp"
 510         test_external "$@" 4> "$stderr"
 511         [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
 512         descr="no stderr: $1"
 513         shift
 514         say >&3 "expecting no stderr from previous command"
 515         if [ ! -s "$stderr" ]; then
 516                 rm "$stderr"
 517                 test_ok_ "$descr"
 518         else
 519                 if [ "$verbose" = t ]; then
 520                         output=`echo; echo Stderr is:; cat "$stderr"`
 521                 else
 522                         output=
 523                 fi
 524                 # rm first in case test_failure exits.
 525                 rm "$stderr"
 526                 test_failure_ "$descr" "$@" "$output"
 527         fi
 528 }
 529
 530 # This is not among top-level (test_expect_success | test_expect_failure)
 531 # but is a prefix that can be used in the test script, like:
 532 #
 533 #       test_expect_success 'complain and die' '
 534 #           do something &&
 535 #           do something else &&
 536 #           test_must_fail git checkout ../outerspace
 537 #       '
 538 #
 539 # Writing this as "! git checkout ../outerspace" is wrong, because
 540 # the failure could be due to a segv.  We want a controlled failure.
 541
 542 test_must_fail () {
 543         "$@"
 544         test $? -gt 0 -a $? -le 129 -o $? -gt 192
 545 }
 546
 547 # Similar to test_must_fail, but tolerates success, too.  This is
 548 # meant to be used in contexts like:
 549 #
 550 #       test_expect_success 'some command works without configuration' '
 551 #               test_might_fail git config --unset all.configuration &&
 552 #               do something
 553 #       '
 554 #
 555 # Writing "git config --unset all.configuration || :" would be wrong,
 556 # because we want to notice if it fails due to segv.
 557
 558 test_might_fail () {
 559         "$@"
 560         test $? -ge 0 -a $? -le 129 -o $? -gt 192
 561 }
 562
 563 # test_cmp is a helper function to compare actual and expected output.
 564 # You can use it like:
 565 #
 566 #       test_expect_success 'foo works' '
 567 #               echo expected >expected &&
 568 #               foo >actual &&
 569 #               test_cmp expected actual
 570 #       '
 571 #
 572 # This could be written as either "cmp" or "diff -u", but:
 573 # - cmp's output is not nearly as easy to read as diff -u
 574 # - not all diff versions understand "-u"
 575
 576 test_cmp() {
 577         $GIT_TEST_CMP "$@"
 578 }
 579
 580 # This function can be used to schedule some commands to be run
 581 # unconditionally at the end of the test to restore sanity:
 582 #
 583 #       test_expect_success 'test core.capslock' '
 584 #               git config core.capslock true &&
 585 #               test_when_finished "git config --unset core.capslock" &&
 586 #               hello world
 587 #       '
 588 #
 589 # That would be roughly equivalent to
 590 #
 591 #       test_expect_success 'test core.capslock' '
 592 #               git config core.capslock true &&
 593 #               hello world
 594 #               git config --unset core.capslock
 595 #       '
 596 #
 597 # except that the greeting and config --unset must both succeed for
 598 # the test to pass.
 599
 600 test_when_finished () {
 601         test_cleanup="{ $*
 602                 } && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
 603 }
 604
 605 # Most tests can use the created repository, but some may need to create more.
 606 # Usage: test_create_repo <directory>
 607 test_create_repo () {
 608         test "$#" = 1 ||
 609         error "bug in the test script: not 1 parameter to test-create-repo"
 610         owd=`pwd`
 611         repo="$1"
 612         mkdir -p "$repo"
 613         cd "$repo" || error "Cannot setup test environment"
 614         "$GIT_EXEC_PATH/git-init" "--template=$TEST_DIRECTORY/../templates/blt/" >&3 2>&4 ||
 615         error "cannot run git init -- have you built things yet?"
 616         mv .git/hooks .git/hooks-disabled
 617         cd "$owd"
 618 }
 619
 620 test_done () {
 621         GIT_EXIT_OK=t
 622         test_results_dir="$TEST_DIRECTORY/test-results"
 623         mkdir -p "$test_results_dir"
 624         test_results_path="$test_results_dir/${0%.sh}-$$"
 625
 626         echo "total $test_count" >> $test_results_path
 627         echo "success $test_success" >> $test_results_path
 628         echo "fixed $test_fixed" >> $test_results_path
 629         echo "broken $test_broken" >> $test_results_path
 630         echo "failed $test_failure" >> $test_results_path
 631         echo "" >> $test_results_path
 632
 633         if test "$test_fixed" != 0
 634         then
 635                 say_color pass "fixed $test_fixed known breakage(s)"
 636         fi
 637         if test "$test_broken" != 0
 638         then
 639                 say_color error "still have $test_broken known breakage(s)"
 640                 msg="remaining $(($test_count-$test_broken)) test(s)"
 641         else
 642                 msg="$test_count test(s)"
 643         fi
 644         case "$test_failure" in
 645         0)
 646                 say_color pass "passed all $msg"
 647
 648                 test -d "$remove_trash" &&
 649                 cd "$(dirname "$remove_trash")" &&
 650                 rm -rf "$(basename "$remove_trash")"
 651
 652                 exit 0 ;;
 653
 654         *)
 655                 say_color error "failed $test_failure among $msg"
 656                 exit 1 ;;
 657
 658         esac
 659 }
 660
 661 # Test the binaries we have just built.  The tests are kept in
 662 # t/ subdirectory and are run in 'trash directory' subdirectory.
 663 TEST_DIRECTORY=$(pwd)
 664 if test -n "$valgrind"
 665 then
 666         make_symlink () {
 667                 test -h "$2" &&
 668                 test "$1" = "$(readlink "$2")" || {
 669                         # be super paranoid
 670                         if mkdir "$2".lock
 671                         then
 672                                 rm -f "$2" &&
 673                                 ln -s "$1" "$2" &&
 674                                 rm -r "$2".lock
 675                         else
 676                                 while test -d "$2".lock
 677                                 do
 678                                         say "Waiting for lock on $2."
 679                                         sleep 1
 680                                 done
 681                         fi
 682                 }
 683         }
 684
 685         make_valgrind_symlink () {
 686                 # handle only executables
 687                 test -x "$1" || return
 688
 689                 base=$(basename "$1")
 690                 symlink_target=$TEST_DIRECTORY/../$base
 691                 # do not override scripts
 692                 if test -x "$symlink_target" &&
 693                     test ! -d "$symlink_target" &&
 694                     test "#!" != "$(head -c 2 < "$symlink_target")"
 695                 then
 696                         symlink_target=../valgrind.sh
 697                 fi
 698                 case "$base" in
 699                 *.sh|*.perl)
 700                         symlink_target=../unprocessed-script
 701                 esac
 702                 # create the link, or replace it if it is out of date
 703                 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
 704         }
 705
 706         # override all git executables in TEST_DIRECTORY/..
 707         GIT_VALGRIND=$TEST_DIRECTORY/valgrind
 708         mkdir -p "$GIT_VALGRIND"/bin
 709         for file in $TEST_DIRECTORY/../git* $TEST_DIRECTORY/../test-*
 710         do
 711                 make_valgrind_symlink $file
 712         done
 713         OLDIFS=$IFS
 714         IFS=:
 715         for path in $PATH
 716         do
 717                 ls "$path"/git-* 2> /dev/null |
 718                 while read file
 719                 do
 720                         make_valgrind_symlink "$file"
 721                 done
 722         done
 723         IFS=$OLDIFS
 724         PATH=$GIT_VALGRIND/bin:$PATH
 725         GIT_EXEC_PATH=$GIT_VALGRIND/bin
 726         export GIT_VALGRIND
 727 elif test -n "$GIT_TEST_INSTALLED" ; then
 728         GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path)  ||
 729         error "Cannot run git from $GIT_TEST_INSTALLED."
 730         PATH=$GIT_TEST_INSTALLED:$TEST_DIRECTORY/..:$PATH
 731         GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
 732 else # normal case, use ../bin-wrappers only unless $with_dashes:
 733         git_bin_dir="$TEST_DIRECTORY/../bin-wrappers"
 734         if ! test -x "$git_bin_dir/git" ; then
 735                 if test -z "$with_dashes" ; then
 736                         say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
 737                 fi
 738                 with_dashes=t
 739         fi
 740         PATH="$git_bin_dir:$PATH"
 741         GIT_EXEC_PATH=$TEST_DIRECTORY/..
 742         if test -n "$with_dashes" ; then
 743                 PATH="$TEST_DIRECTORY/..:$PATH"
 744         fi
 745 fi
 746 GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
 747 unset GIT_CONFIG
 748 GIT_CONFIG_NOSYSTEM=1
 749 GIT_CONFIG_NOGLOBAL=1
 750 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_CONFIG_NOGLOBAL
 751
 752 . ../GIT-BUILD-OPTIONS
 753
 754 GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
 755 export GITPERLLIB
 756 test -d ../templates/blt || {
 757         error "You haven't built things yet, have you?"
 758 }
 759
 760 if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
 761 then
 762         GITPYTHONLIB="$(pwd)/../git_remote_helpers/build/lib"
 763         export GITPYTHONLIB
 764         test -d ../git_remote_helpers/build || {
 765                 error "You haven't built git_remote_helpers yet, have you?"
 766         }
 767 fi
 768
 769 if ! test -x ../test-chmtime; then
 770         echo >&2 'You need to build test-chmtime:'
 771         echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
 772         exit 1
 773 fi
 774
 775 # Test repository
 776 test="trash directory.$(basename "$0" .sh)"
 777 test -n "$root" && test="$root/$test"
 778 case "$test" in
 779 /*) TRASH_DIRECTORY="$test" ;;
 780  *) TRASH_DIRECTORY="$TEST_DIRECTORY/$test" ;;
 781 esac
 782 test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
 783 rm -fr "$test" || {
 784         GIT_EXIT_OK=t
 785         echo >&5 "FATAL: Cannot prepare test area"
 786         exit 1
 787 }
 788
 789 test_create_repo "$test"
 790 # Use -P to resolve symlinks in our working directory so that the cwd
 791 # in subprocesses like git equals our $PWD (for pathname comparisons).
 792 cd -P "$test" || exit 1
 793
 794 this_test=${0##*/}
 795 this_test=${this_test%%-*}
 796 for skp in $GIT_SKIP_TESTS
 797 do
 798         to_skip=
 799         for skp in $GIT_SKIP_TESTS
 800         do
 801                 case "$this_test" in
 802                 $skp)
 803                         to_skip=t
 804                 esac
 805         done
 806         case "$to_skip" in
 807         t)
 808                 say_color skip >&3 "skipping test $this_test altogether"
 809                 say_color skip "skip all tests in $this_test"
 810                 test_done
 811         esac
 812 done
 813
 814 # Provide an implementation of the 'yes' utility
 815 yes () {
 816         if test $# = 0
 817         then
 818                 y=y
 819         else
 820                 y="$*"
 821         fi
 822
 823         while echo "$y"
 824         do
 825                 :
 826         done
 827 }
 828
 829 # Fix some commands on Windows
 830 case $(uname -s) in
 831 *MINGW*)
 832         # Windows has its own (incompatible) sort and find
 833         sort () {
 834                 /usr/bin/sort "$@"
 835         }
 836         find () {
 837                 /usr/bin/find "$@"
 838         }
 839         sum () {
 840                 md5sum "$@"
 841         }
 842         # git sees Windows-style pwd
 843         pwd () {
 844                 builtin pwd -W
 845         }
 846         # no POSIX permissions
 847         # backslashes in pathspec are converted to '/'
 848         # exec does not inherit the PID
 849         test_set_prereq MINGW
 850         ;;
 851 *)
 852         test_set_prereq POSIXPERM
 853         test_set_prereq BSLASHPSPEC
 854         test_set_prereq EXECKEEPSPID
 855         test_set_prereq NONMINGW
 856         ;;
 857 esac
 858
 859 test -z "$NO_PERL" && test_set_prereq PERL
 860 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 861
 862 # test whether the filesystem supports symbolic links
 863 ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
 864 rm -f y