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