a731fa916e
Recent versions of Linux libc (later than 5.4.23) and glibc (2.x) include a malloc() implementation which is tunable via environment variables. When MALLOC_CHECK_ is set, a special (less efficient) implementation is used which is designed to be tolerant against simple errors, such as double calls of free() with the same argument, or overruns of a single byte (off-by-one bugs). When MALLOC_CHECK_ is set to 3, a diagnostic message is printed on stderr and the program is aborted. Setting the MALLOC_PERTURB_ environment variable causes the malloc functions in libc to return memory which has been wiped and clear memory when it is returned. Of course this does not affect calloc which always does clear the memory. The reason for this exercise is, of course, to find code which uses memory returned by malloc without initializing it and code which uses code after it is freed. valgrind can do this but it's costly to run. The MALLOC_PERTURB_ exchanges the ability to detect problems in 100% of the cases with speed. The byte value used to initialize values returned by malloc is the byte value of the environment value. The value used to clear memory is the bitwise inverse. Setting MALLOC_PERTURB_ to zero disables the feature. This technique can find hard to detect bugs. It is therefore suggested to always use this flag (at least temporarily) when testing out code or a new distribution. But the test suite can use also valgrind(memcheck) via 'make valgrind' or 'make GIT_TEST_OPTS="--valgrind"'. Memcheck wraps client calls to malloc(), and puts a "red zone" on each end of each block in order to detect access overruns. Memcheck already detects double free() (up to the limit of the buffer which remembers pending free()). Thus memcheck subsumes all the documented coverage of MALLOC_CHECK_. If MALLOC_CHECK_ is set non-zero when running memcheck, then the overruns that might be detected by MALLOC_CHECK_ would be overruns on the wrapped blocks which include the red zones. Thus MALLOC_CHECK_ would be checking memcheck, and not the client. This is not useful, and actually is wasteful. The only possible [documented] advantage of using MALLOC_CHECK_ and memcheck together, would be if MALLOC_CHECK_ detected duplicate free() in more cases than memcheck because memcheck's buffer is too small. Therefore we don't use MALLOC_CHECK_ and valgrind(memcheck) at the same time. Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
721 lines
16 KiB
Bash
721 lines
16 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see http://www.gnu.org/licenses/ .
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# if --tee was passed, write the output not only to the terminal, but
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# additionally to the file test-results/$BASENAME.out, too.
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case "$GIT_TEST_TEE_STARTED, $* " in
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done,*)
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# do not redirect again
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;;
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*' --tee '*|*' --va'*)
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mkdir -p test-results
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BASE=test-results/$(basename "$0" .sh)
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(GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
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echo $? > $BASE.exit) | tee $BASE.out
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test "$(cat $BASE.exit)" = 0
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exit
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;;
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esac
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# Keep the original TERM for say_color
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ORIGINAL_TERM=$TERM
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# Test the binaries we have just built. The tests are kept in
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# t/ subdirectory and are run in 'trash directory' subdirectory.
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if test -z "$TEST_DIRECTORY"
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then
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# We allow tests to override this, in case they want to run tests
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# outside of t/, e.g. for running tests on the test library
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# itself.
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TEST_DIRECTORY=$(pwd)
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fi
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if test -z "$TEST_OUTPUT_DIRECTORY"
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then
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# Similarly, override this to store the test-results subdir
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# elsewhere
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TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
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fi
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GIT_BUILD_DIR="$TEST_DIRECTORY"/..
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. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
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export PERL_PATH SHELL_PATH
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# For repeatability, reset the environment to known value.
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LANG=C
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LC_ALL=C
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PAGER=cat
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TZ=UTC
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TERM=dumb
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export LANG LC_ALL PAGER TERM TZ
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EDITOR=:
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# A call to "unset" with no arguments causes at least Solaris 10
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# /usr/xpg4/bin/sh and /bin/ksh to bail out. So keep the unsets
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# deriving from the command substitution clustered with the other
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# ones.
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unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
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my @env = keys %ENV;
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my $ok = join("|", qw(
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TRACE
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DEBUG
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USE_LOOKUP
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TEST
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.*_TEST
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PROVE
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VALGRIND
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PERF_AGGREGATING_LATER
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));
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my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
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print join("\n", @vars);
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')
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unset XDG_CONFIG_HOME
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GIT_AUTHOR_EMAIL=author@example.com
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GIT_AUTHOR_NAME='A U Thor'
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GIT_COMMITTER_EMAIL=committer@example.com
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GIT_COMMITTER_NAME='C O Mitter'
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GIT_MERGE_VERBOSITY=5
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GIT_MERGE_AUTOEDIT=no
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export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
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export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
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export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
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export EDITOR
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# Add libc MALLOC and MALLOC_PERTURB test
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# only if we are not executing the test with valgrind
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expr "$GIT_TEST_OPTS" : ".*\(--valgrind\)" >/dev/null || {
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MALLOC_CHECK_=3
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export MALLOC_CHECK_
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MALLOC_PERTURB_="$( expr \( $$ % 255 \) + 1)"
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export MALLOC_PERTURB_
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}
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# Protect ourselves from common misconfiguration to export
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# CDPATH into the environment
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unset CDPATH
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unset GREP_OPTIONS
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case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
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1|2|true)
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echo "* warning: Some tests will not work if GIT_TRACE" \
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"is set as to trace on STDERR ! *"
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echo "* warning: Please set GIT_TRACE to something" \
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"other than 1, 2 or true ! *"
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;;
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esac
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# Convenience
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#
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# A regexp to match 5 and 40 hexdigits
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_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
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_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
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# Zero SHA-1
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_z40=0000000000000000000000000000000000000000
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# Line feed
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LF='
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'
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export _x05 _x40 _z40 LF
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# Each test should start with something like this, after copyright notices:
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#
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# test_description='Description of this test...
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# This test checks if command xyzzy does the right thing...
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# '
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# . ./test-lib.sh
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[ "x$ORIGINAL_TERM" != "xdumb" ] && (
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TERM=$ORIGINAL_TERM &&
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export TERM &&
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[ -t 1 ] &&
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tput bold >/dev/null 2>&1 &&
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tput setaf 1 >/dev/null 2>&1 &&
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tput sgr0 >/dev/null 2>&1
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) &&
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color=t
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while test "$#" -ne 0
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do
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case "$1" in
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-d|--d|--de|--deb|--debu|--debug)
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debug=t; shift ;;
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-i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
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immediate=t; shift ;;
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-l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
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GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
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-h|--h|--he|--hel|--help)
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help=t; shift ;;
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-v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
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verbose=t; shift ;;
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-q|--q|--qu|--qui|--quie|--quiet)
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# Ignore --quiet under a TAP::Harness. Saying how many tests
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# passed without the ok/not ok details is always an error.
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test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
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--with-dashes)
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with_dashes=t; shift ;;
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--no-color)
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color=; shift ;;
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--va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
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valgrind=t; verbose=t; shift ;;
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--tee)
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shift ;; # was handled already
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--root=*)
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root=$(expr "z$1" : 'z[^=]*=\(.*\)')
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shift ;;
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*)
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echo "error: unknown test option '$1'" >&2; exit 1 ;;
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esac
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done
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if test -n "$color"
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then
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say_color () {
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(
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TERM=$ORIGINAL_TERM
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export TERM
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case "$1" in
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error)
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tput bold; tput setaf 1;; # bold red
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skip)
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tput bold; tput setaf 2;; # bold green
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pass)
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tput setaf 2;; # green
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info)
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tput setaf 3;; # brown
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*)
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test -n "$quiet" && return;;
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esac
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shift
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printf "%s" "$*"
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tput sgr0
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echo
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)
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}
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else
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say_color() {
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test -z "$1" && test -n "$quiet" && return
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shift
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echo "$*"
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}
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fi
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error () {
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say_color error "error: $*"
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GIT_EXIT_OK=t
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exit 1
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}
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say () {
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say_color info "$*"
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}
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test "${test_description}" != "" ||
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error "Test script did not set test_description."
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if test "$help" = "t"
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then
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echo "$test_description"
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exit 0
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fi
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exec 5>&1
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exec 6<&0
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if test "$verbose" = "t"
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then
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exec 4>&2 3>&1
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else
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exec 4>/dev/null 3>/dev/null
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fi
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test_failure=0
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test_count=0
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test_fixed=0
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test_broken=0
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test_success=0
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test_external_has_tap=0
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die () {
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code=$?
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if test -n "$GIT_EXIT_OK"
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then
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exit $code
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else
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echo >&5 "FATAL: Unexpected exit with code $code"
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exit 1
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fi
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}
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GIT_EXIT_OK=
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trap 'die' EXIT
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# The user-facing functions are loaded from a separate file so that
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# test_perf subshells can have them too
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. "$TEST_DIRECTORY/test-lib-functions.sh"
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# You are not expected to call test_ok_ and test_failure_ directly, use
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# the text_expect_* functions instead.
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test_ok_ () {
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test_success=$(($test_success + 1))
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say_color "" "ok $test_count - $@"
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}
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test_failure_ () {
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test_failure=$(($test_failure + 1))
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say_color error "not ok - $test_count $1"
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shift
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echo "$@" | sed -e 's/^/# /'
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test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
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}
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test_known_broken_ok_ () {
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test_fixed=$(($test_fixed+1))
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say_color "" "ok $test_count - $@ # TODO known breakage"
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}
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test_known_broken_failure_ () {
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test_broken=$(($test_broken+1))
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say_color skip "not ok $test_count - $@ # TODO known breakage"
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}
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test_debug () {
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test "$debug" = "" || eval "$1"
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}
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test_eval_ () {
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# This is a separate function because some tests use
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# "return" to end a test_expect_success block early.
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eval </dev/null >&3 2>&4 "$*"
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}
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test_run_ () {
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test_cleanup=:
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expecting_failure=$2
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test_eval_ "$1"
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eval_ret=$?
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if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
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then
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test_eval_ "$test_cleanup"
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fi
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if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
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then
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echo ""
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fi
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return "$eval_ret"
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}
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test_skip () {
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test_count=$(($test_count+1))
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to_skip=
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for skp in $GIT_SKIP_TESTS
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do
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case $this_test.$test_count in
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$skp)
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to_skip=t
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break
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esac
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done
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if test -z "$to_skip" && test -n "$test_prereq" &&
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! test_have_prereq "$test_prereq"
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then
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to_skip=t
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fi
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case "$to_skip" in
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t)
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of_prereq=
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if test "$missing_prereq" != "$test_prereq"
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then
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of_prereq=" of $test_prereq"
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fi
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say_color skip >&3 "skipping test: $@"
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say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
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: true
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;;
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*)
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false
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;;
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esac
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}
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# stub; perf-lib overrides it
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test_at_end_hook_ () {
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:
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}
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test_done () {
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GIT_EXIT_OK=t
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if test -z "$HARNESS_ACTIVE"
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then
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test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
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mkdir -p "$test_results_dir"
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test_results_path="$test_results_dir/${0%.sh}-$$.counts"
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cat >>"$test_results_path" <<-EOF
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total $test_count
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success $test_success
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fixed $test_fixed
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broken $test_broken
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failed $test_failure
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EOF
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fi
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if test "$test_fixed" != 0
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then
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say_color pass "# fixed $test_fixed known breakage(s)"
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fi
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if test "$test_broken" != 0
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then
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say_color error "# still have $test_broken known breakage(s)"
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msg="remaining $(($test_count-$test_broken)) test(s)"
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else
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msg="$test_count test(s)"
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fi
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case "$test_failure" in
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0)
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# Maybe print SKIP message
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if test -n "$skip_all" && test $test_count -gt 0
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then
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error "Can't use skip_all after running some tests"
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fi
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[ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
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if test $test_external_has_tap -eq 0
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then
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if test $test_count -gt 0
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then
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say_color pass "# passed all $msg"
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fi
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say "1..$test_count$skip_all"
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fi
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test -d "$remove_trash" &&
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cd "$(dirname "$remove_trash")" &&
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rm -rf "$(basename "$remove_trash")"
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test_at_end_hook_
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exit 0 ;;
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*)
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if test $test_external_has_tap -eq 0
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then
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say_color error "# failed $test_failure among $msg"
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say "1..$test_count"
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fi
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exit 1 ;;
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esac
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}
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if test -n "$valgrind"
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then
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make_symlink () {
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test -h "$2" &&
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test "$1" = "$(readlink "$2")" || {
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# be super paranoid
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if mkdir "$2".lock
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then
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rm -f "$2" &&
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ln -s "$1" "$2" &&
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rm -r "$2".lock
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else
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while test -d "$2".lock
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do
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say "Waiting for lock on $2."
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sleep 1
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done
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fi
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}
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}
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make_valgrind_symlink () {
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# handle only executables, unless they are shell libraries that
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# need to be in the exec-path. We will just use "#!" as a
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# guess for a shell-script, since we have no idea what the user
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# may have configured as the shell path.
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test -x "$1" ||
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test "#!" = "$(head -c 2 <"$1")" ||
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return;
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base=$(basename "$1")
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symlink_target=$GIT_BUILD_DIR/$base
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# do not override scripts
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if test -x "$symlink_target" &&
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test ! -d "$symlink_target" &&
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test "#!" != "$(head -c 2 < "$symlink_target")"
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then
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symlink_target=../valgrind.sh
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|
fi
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|
case "$base" in
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*.sh|*.perl)
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symlink_target=../unprocessed-script
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esac
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# create the link, or replace it if it is out of date
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make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
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}
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|
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# override all git executables in TEST_DIRECTORY/..
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GIT_VALGRIND=$TEST_DIRECTORY/valgrind
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mkdir -p "$GIT_VALGRIND"/bin
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for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
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do
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make_valgrind_symlink $file
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done
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# special-case the mergetools loadables
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make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
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OLDIFS=$IFS
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IFS=:
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|
for path in $PATH
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|
do
|
|
ls "$path"/git-* 2> /dev/null |
|
|
while read file
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|
do
|
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make_valgrind_symlink "$file"
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done
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done
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|
IFS=$OLDIFS
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PATH=$GIT_VALGRIND/bin:$PATH
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|
GIT_EXEC_PATH=$GIT_VALGRIND/bin
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|
export GIT_VALGRIND
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|
elif test -n "$GIT_TEST_INSTALLED"
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|
then
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|
GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
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|
error "Cannot run git from $GIT_TEST_INSTALLED."
|
|
PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
|
|
GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
|
|
else # normal case, use ../bin-wrappers only unless $with_dashes:
|
|
git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
|
|
if ! test -x "$git_bin_dir/git"
|
|
then
|
|
if test -z "$with_dashes"
|
|
then
|
|
say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
|
|
fi
|
|
with_dashes=t
|
|
fi
|
|
PATH="$git_bin_dir:$PATH"
|
|
GIT_EXEC_PATH=$GIT_BUILD_DIR
|
|
if test -n "$with_dashes"
|
|
then
|
|
PATH="$GIT_BUILD_DIR:$PATH"
|
|
fi
|
|
fi
|
|
GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
|
|
unset GIT_CONFIG
|
|
GIT_CONFIG_NOSYSTEM=1
|
|
GIT_ATTR_NOSYSTEM=1
|
|
export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
|
|
|
|
if test -z "$GIT_TEST_CMP"
|
|
then
|
|
if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
|
|
then
|
|
GIT_TEST_CMP="$DIFF -c"
|
|
else
|
|
GIT_TEST_CMP="$DIFF -u"
|
|
fi
|
|
fi
|
|
|
|
GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
|
|
export GITPERLLIB
|
|
test -d "$GIT_BUILD_DIR"/templates/blt || {
|
|
error "You haven't built things yet, have you?"
|
|
}
|
|
|
|
if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
|
|
then
|
|
GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
|
|
export GITPYTHONLIB
|
|
test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
|
|
error "You haven't built git_remote_helpers yet, have you?"
|
|
}
|
|
fi
|
|
|
|
if ! test -x "$GIT_BUILD_DIR"/test-chmtime
|
|
then
|
|
echo >&2 'You need to build test-chmtime:'
|
|
echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
|
|
exit 1
|
|
fi
|
|
|
|
# Test repository
|
|
test="trash directory.$(basename "$0" .sh)"
|
|
test -n "$root" && test="$root/$test"
|
|
case "$test" in
|
|
/*) TRASH_DIRECTORY="$test" ;;
|
|
*) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$test" ;;
|
|
esac
|
|
test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
|
|
rm -fr "$test" || {
|
|
GIT_EXIT_OK=t
|
|
echo >&5 "FATAL: Cannot prepare test area"
|
|
exit 1
|
|
}
|
|
|
|
HOME="$TRASH_DIRECTORY"
|
|
export HOME
|
|
|
|
if test -z "$TEST_NO_CREATE_REPO"
|
|
then
|
|
test_create_repo "$test"
|
|
else
|
|
mkdir -p "$test"
|
|
fi
|
|
# Use -P to resolve symlinks in our working directory so that the cwd
|
|
# in subprocesses like git equals our $PWD (for pathname comparisons).
|
|
cd -P "$test" || exit 1
|
|
|
|
this_test=${0##*/}
|
|
this_test=${this_test%%-*}
|
|
for skp in $GIT_SKIP_TESTS
|
|
do
|
|
case "$this_test" in
|
|
$skp)
|
|
say_color skip >&3 "skipping test $this_test altogether"
|
|
skip_all="skip all tests in $this_test"
|
|
test_done
|
|
esac
|
|
done
|
|
|
|
# Provide an implementation of the 'yes' utility
|
|
yes () {
|
|
if test $# = 0
|
|
then
|
|
y=y
|
|
else
|
|
y="$*"
|
|
fi
|
|
|
|
while echo "$y"
|
|
do
|
|
:
|
|
done
|
|
}
|
|
|
|
# Fix some commands on Windows
|
|
case $(uname -s) in
|
|
*MINGW*)
|
|
# Windows has its own (incompatible) sort and find
|
|
sort () {
|
|
/usr/bin/sort "$@"
|
|
}
|
|
find () {
|
|
/usr/bin/find "$@"
|
|
}
|
|
sum () {
|
|
md5sum "$@"
|
|
}
|
|
# git sees Windows-style pwd
|
|
pwd () {
|
|
builtin pwd -W
|
|
}
|
|
# no POSIX permissions
|
|
# backslashes in pathspec are converted to '/'
|
|
# exec does not inherit the PID
|
|
test_set_prereq MINGW
|
|
test_set_prereq SED_STRIPS_CR
|
|
;;
|
|
*CYGWIN*)
|
|
test_set_prereq POSIXPERM
|
|
test_set_prereq EXECKEEPSPID
|
|
test_set_prereq NOT_MINGW
|
|
test_set_prereq SED_STRIPS_CR
|
|
;;
|
|
*)
|
|
test_set_prereq POSIXPERM
|
|
test_set_prereq BSLASHPSPEC
|
|
test_set_prereq EXECKEEPSPID
|
|
test_set_prereq NOT_MINGW
|
|
;;
|
|
esac
|
|
|
|
( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
|
|
test -z "$NO_PERL" && test_set_prereq PERL
|
|
test -z "$NO_PYTHON" && test_set_prereq PYTHON
|
|
test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
|
|
test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
|
|
|
|
# Can we rely on git's output in the C locale?
|
|
if test -n "$GETTEXT_POISON"
|
|
then
|
|
GIT_GETTEXT_POISON=YesPlease
|
|
export GIT_GETTEXT_POISON
|
|
test_set_prereq GETTEXT_POISON
|
|
else
|
|
test_set_prereq C_LOCALE_OUTPUT
|
|
fi
|
|
|
|
# Use this instead of test_cmp to compare files that contain expected and
|
|
# actual output from git commands that can be translated. When running
|
|
# under GETTEXT_POISON this pretends that the command produced expected
|
|
# results.
|
|
test_i18ncmp () {
|
|
test -n "$GETTEXT_POISON" || test_cmp "$@"
|
|
}
|
|
|
|
# Use this instead of "grep expected-string actual" to see if the
|
|
# output from a git command that can be translated either contains an
|
|
# expected string, or does not contain an unwanted one. When running
|
|
# under GETTEXT_POISON this pretends that the command produced expected
|
|
# results.
|
|
test_i18ngrep () {
|
|
if test -n "$GETTEXT_POISON"
|
|
then
|
|
: # pretend success
|
|
elif test "x!" = "x$1"
|
|
then
|
|
shift
|
|
! grep "$@"
|
|
else
|
|
grep "$@"
|
|
fi
|
|
}
|
|
|
|
test_lazy_prereq SYMLINKS '
|
|
# test whether the filesystem supports symbolic links
|
|
ln -s x y && test -h y
|
|
'
|
|
|
|
test_lazy_prereq CASE_INSENSITIVE_FS '
|
|
echo good >CamelCase &&
|
|
echo bad >camelcase &&
|
|
test "$(cat CamelCase)" != good
|
|
'
|
|
|
|
test_lazy_prereq UTF8_NFD_TO_NFC '
|
|
# check whether FS converts nfd unicode to nfc
|
|
auml=$(printf "\303\244")
|
|
aumlcdiar=$(printf "\141\314\210")
|
|
>"$auml" &&
|
|
case "$(echo *)" in
|
|
"$aumlcdiar")
|
|
true ;;
|
|
*)
|
|
false ;;
|
|
esac
|
|
'
|
|
|
|
# When the tests are run as root, permission tests will report that
|
|
# things are writable when they shouldn't be.
|
|
test -w / || test_set_prereq SANITY
|