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518 lines
13 KiB
Bash
Executable File
518 lines
13 KiB
Bash
Executable File
#!/bin/sh
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# Tests a set of patches from a directory.
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# Copyright (C) 2007-2023 Free Software Foundation, Inc.
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# Contributed by Sebastian Pop <sebastian.pop@amd.com>
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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 3 of the License, or
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# (at your option) any later version.
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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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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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cat <<EOF
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WARNING: This script should only be fed with patches from known
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authorized and trusted sources. Don't even think about
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hooking it up to a raw feed from the gcc-patches list or
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you'll regret it.
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EOF
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args=$@
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svnpath=svn://gcc.gnu.org/svn/gcc
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dashj=
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default_standby=1
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standby=$default_standby
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default_watermark=0.60
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watermark=$default_watermark
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savecompilers=false
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nopristinecache=false
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nogpg=false
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stop=false
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usage() {
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cat <<EOF
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patch_tester.sh [-j<N>] [-standby N] [-watermark N] [-savecompilers] [-nogpg]
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[-svnpath URL] [-stop] [-nopristinecache]
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<source_dir> [patches_dir [state_dir [build_dir]]]
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J is the flag passed to make. Default is empty string.
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STANDBY is the number of minutes between checks for new patches in
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PATCHES_DIR. Default is ${default_standby} minutes.
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WATERMARK is the 5 minute average system charge under which a new
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compile can start. Default is ${default_watermark}.
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SAVECOMPILERS copies the compilers in the same directory as the
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test results for the non patched version. Default is not copy.
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NOPRISTINECACHE prevents use of cached test results from any earlier
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test runs on the pristine version of the branch and revision under
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test (the default behaviour). This should be used when testing the
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same revision and patch with multiple sets of configure options, as
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these may affect the set of baseline failures.
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NOGPG can be used to avoid checking the GPG signature of patches.
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URL is the location of the GCC SVN repository. The default is
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${svnpath}.
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STOP exits when PATCHES_DIR is empty.
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SOURCE_DIR is the directory containing GCC's toplevel configure.
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PATCHES_DIR is the directory containing the patches to be tested.
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Default is SOURCE_DIR/patches.
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STATE_DIR is where the tester maintains its internal state.
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Default is SOURCE_DIR/state.
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BUILD_DIR is the build tree, a temporary directory that this
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script will delete and recreate. Default is SOURCE_DIR/obj.
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EOF
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exit 1
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}
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makedir () {
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DIRNAME=$1
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mkdir -p $DIRNAME
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if [ $? -ne 0 ]; then
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echo "ERROR: could not make directory $DIRNAME"
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exit 1
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fi
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}
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while [ $# -ne 0 ]; do
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case $1 in
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-j*)
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dashj=$1; shift
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;;
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-standby)
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[[ $# > 2 ]] || usage
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standby=$2; shift; shift
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;;
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-watermark)
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[[ $# > 2 ]] || usage
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watermark=$2; shift; shift
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;;
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-savecompilers)
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savecompilers=true; shift
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;;
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-nopristinecache)
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nopristinecache=true; shift
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;;
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-nogpg)
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nogpg=true; shift
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;;
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-stop)
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stop=true; shift
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;;
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-svnpath)
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svnpath=$2; shift; shift
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;;
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-*)
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echo "Invalid option: $1"
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usage
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;;
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*)
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break
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;;
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esac
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done
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test $# -eq 0 && usage
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SOURCE=$1
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PATCHES=
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STATE=
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BUILD=
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if [[ $# < 2 ]]; then
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PATCHES=$SOURCE/patches
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else
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PATCHES=$2
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fi
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if [[ $# < 3 ]]; then
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STATE=$SOURCE/state
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else
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STATE=$3
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fi
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if [[ $# < 4 ]]; then
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BUILD=$SOURCE/obj
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else
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BUILD=$4
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fi
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[ -d $PATCHES ] || makedir $PATCHES
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[ -d $STATE ] || makedir $STATE
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[ -d $STATE/patched ] || makedir $STATE/patched
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[ -d $SOURCE ] || makedir $SOURCE
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[ -f $SOURCE/config.guess ] || {
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cd $SOURCE
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svn -q co $svnpath/trunk .
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if [ $? -ne 0 ]; then
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echo "ERROR: initial svn checkout failed"
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exit 1
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fi
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}
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# This can contain required local settings:
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# default_config configure options, always passed
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# default_make make bootstrap options, always passed
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# default_check make check options, always passed
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[ -f $STATE/defaults ] && . $STATE/defaults
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VERSION=`svn info $SOURCE | grep "^Revision:" | sed -e "s/^Revision://g" -e "s/ //g"`
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exec >> $STATE/tester.log 2>&1 || exit 1
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set -x
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TESTING=$STATE/testing
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REPORT=$TESTING/report
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PRISTINE=$TESTING/pristine
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PATCHED=$TESTING/patched
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PATCH=
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TARGET=`$SOURCE/config.guess || exit 1`
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TESTLOGS="gcc/testsuite/gcc/gcc.sum
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gcc/testsuite/gfortran/gfortran.sum
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gcc/testsuite/g++/g++.sum
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gcc/testsuite/objc/objc.sum
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$TARGET/libstdc++-v3/testsuite/libstdc++.sum
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$TARGET/libffi/testsuite/libffi.sum
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$TARGET/libgomp/testsuite/libgomp.sum
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$TARGET/libmudflap/testsuite/libmudflap.sum"
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COMPILERS="gcc/cc1
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gcc/cc1obj
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gcc/cc1plus
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gcc/f951
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gcc/jc1
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gcc/gnat1
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gcc/tree1"
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now () {
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echo `TZ=UTC date +"%Y_%m_%d_%H_%M_%S"`
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}
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report () {
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echo "$@" >> $REPORT
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}
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freport () {
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if [ -s $1 ]; then
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report "(cat $1"
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cat $1 >> $REPORT
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report "tac)"
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fi
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}
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cleanup () {
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cd $SOURCE
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svn cleanup && svn revert -R . && svn st | cut -d' ' -f5- | xargs rm -v
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}
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selfexec () {
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exec ${CONFIG_SHELL-/bin/sh} $0 $args
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}
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update () {
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svn_branch=`grep "^branch:" $PATCH | sed -e "s/^branch://g" -e "s/ //g"`
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if [ x$svn_branch = x ]; then
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svn_branch=trunk
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fi
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svn_revision=`grep "^revision:" $PATCH | sed -e "s/^revision://g" -e "s/ //g"`
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if [ x$svn_revision = x ]; then
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svn_revision=HEAD
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fi
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cleanup
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cd $SOURCE
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case $svn_branch in
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trunk)
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if ! svn switch -r $svn_revision $svnpath/trunk &> $TESTING/svn ; then
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report "failed to update svn sources with"
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report "svn switch -r $svn_revision $svnpath/trunk"
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freport $TESTING/svn
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return 1
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fi
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;;
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${svnpath}*)
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if ! svn switch -r $svn_revision $svn_branch &> $TESTING/svn ; then
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report "failed to update svn sources with"
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report "svn switch -r $svn_revision $svn_branch"
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freport $TESTING/svn
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return 1
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fi
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;;
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*)
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if ! svn switch -r $svn_revision $svnpath/branches/$svn_branch &> $TESTING/svn ; then
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report "failed to update svn sources with"
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report "svn switch -r $svn_revision $svnpath/branches/$svn_branch"
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freport $TESTING/svn
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return 1
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fi
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;;
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esac
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contrib/gcc_update --touch
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current_version=`svn info $SOURCE | grep "^Revision:" | sed -e "s/^Revision://g" -e "s/ //g"`
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if [[ $VERSION < $current_version ]]; then
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if [ -f $SOURCE/contrib/patch_tester.sh ]; then
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selfexec
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fi
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fi
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return 0
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}
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apply_patch () {
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if [ $nogpg = false ]; then
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if ! gpg --batch --verify $PATCH &> $TESTING/gpgverify ; then
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report "your patch failed to verify:"
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freport $TESTING/gpgverify
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return 1
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fi
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fi
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cd $SOURCE
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if ! patch -p0 < $PATCH &> $TESTING/patching ; then
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report "your patch failed to apply:"
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report "(check that the patch was created at the top level)"
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freport $TESTING/patching
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return 1
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fi
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# Just assume indexes for now -- not really great, but svn always
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# makes them.
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grep "^Index: " $PATCH | sed -e 's/Index: //' | while read file; do
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# If the patch resulted in an empty file, delete it.
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# This is how svn reports deletions.
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if [ ! -s $file ]; then
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rm -f $file
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report "Deleting empty file $file"
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fi
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done
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}
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save_compilers () {
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for COMPILER in $COMPILERS ; do
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if [ -f $BUILD/$COMPILER ]; then
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cp $BUILD/$COMPILER $PRISTINE
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fi
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done
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}
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bootntest () {
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rm -rf $BUILD
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mkdir $BUILD
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cd $BUILD
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CONFIG_OPTIONS=`grep "^configure:" $PATCH | sed -e "s/^configure://g"`
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CONFIG_OPTIONS="$default_config $CONFIG_OPTIONS"
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if ! eval $SOURCE/configure $CONFIG_OPTIONS &> $1/configure ; then
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report "configure with `basename $1` version failed with:"
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freport $1/configure
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return 1
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fi
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MAKE_ARGS=`grep "^make:" $PATCH | sed -e "s/^make://g"`
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MAKE_ARGS="$default_make $MAKE_ARGS"
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if ! eval make $dashj $MAKE_ARGS &> $1/bootstrap ; then
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report "bootstrap with `basename $1` version failed with last lines:"
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tail -30 $1/bootstrap > $1/last_bootstrap
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freport $1/last_bootstrap
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report "grep --context=20 Error bootstrap:"
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grep --context=20 Error $1/bootstrap > $1/bootstrap_error
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freport $1/bootstrap_error
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return 1
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fi
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CHECK_OPTIONS=`grep "^check:" $PATCH | sed -e "s/^check://g"`
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CHECK_OPTIONS="$default_check $CHECK_OPTIONS"
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eval make $dashj $CHECK_OPTIONS -k check &> $1/check
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SUITESRUN="`grep 'Summary ===' $1/check | cut -d' ' -f 2 | sort`"
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if [ x$SUITESRUN = x ]; then
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report "check with `basename $1` version failed, no testsuites were run"
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return 1
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fi
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for LOG in $TESTLOGS ; do
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if [ -f $BUILD/$LOG ]; then
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mv $BUILD/$LOG $1
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mv `echo "$BUILD/$LOG" | sed -e "s/\.sum/\.log/g"` $1
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fi
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done
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return 0
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}
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bootntest_patched () {
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cleanup
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mkdir -p $PATCHED
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apply_patch && bootntest $PATCHED
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return $?
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}
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# Build the pristine tree with exactly the same options as the patch under test.
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bootntest_pristine () {
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cleanup
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current_branch=`svn info $SOURCE | grep "^URL:" | sed -e "s/URL: //g" -e "s,${svnpath},,g"`
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current_version=`svn info $SOURCE | grep "^Revision:" | sed -e "s/^Revision://g" -e "s/ //g"`
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PRISTINE=$STATE/$current_branch/$current_version
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if [ $nopristinecache = true ]; then
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rm -rf $PRISTINE
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fi
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if [ -d $PRISTINE ]; then
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ln -s $PRISTINE $TESTING/pristine
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return 0
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else
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mkdir -p $PRISTINE
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ln -s $PRISTINE $TESTING/pristine
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bootntest $PRISTINE
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RETVAL=$?
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if [ $RETVAL = 0 -a $savecompilers = true ]; then
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save_compilers
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fi
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return $RETVAL
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fi
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}
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regtest () {
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touch $1/report
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touch $1/passes
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touch $1/failed
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touch $1/regress
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for LOG in $TESTLOGS ; do
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NLOG=`basename $LOG`
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if [ -f $1/$NLOG ]; then
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awk '/^FAIL: / { print "'$NLOG'",$2; }' $1/$NLOG
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fi
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done | sort | uniq > $1/failed
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comm -12 $1/failed $1/passes >> $1/regress
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NUMREGRESS=`wc -l < $1/regress | tr -d ' '`
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if [ $NUMREGRESS -eq 0 ] ; then
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for LOG in $TESTLOGS ; do
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NLOG=`basename $LOG`
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if [ -f $1/$NLOG ] ; then
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awk '/^PASS: / { print "'$NLOG'",$2; }' $1/$NLOG
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fi
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done | sort | uniq | comm -23 - $1/failed > $1/passes
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echo "there are no regressions with your patch." >> $1/report
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else
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echo "with your patch there are $NUMREGRESS regressions." >> $1/report
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echo "list of regressions with your patch:" >> $1/report
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cat $1/regress >> $1/report
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fi
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}
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contrib_compare_tests () {
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report "comparing logs with contrib/compare_tests:"
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for LOG in $TESTLOGS ; do
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NLOG=`basename $LOG`
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if [ -f $PRISTINE/$NLOG -a -f $PATCHED/$NLOG ]; then
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$SOURCE/contrib/compare_tests $PRISTINE/$NLOG $PATCHED/$NLOG > $TESTING/compare_$NLOG
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freport $TESTING/compare_$NLOG
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fi
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done
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}
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compare_passes () {
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regtest $PRISTINE
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cp $PRISTINE/passes $PATCHED
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regtest $PATCHED
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freport $PATCHED/report
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report "FAILs with patched version:"
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freport $PATCHED/failed
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report "FAILs with pristine version:"
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freport $PRISTINE/failed
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# contrib_compare_tests
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}
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write_report () {
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backup_patched=$STATE/patched/`now`
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report "The files used for the validation of your patch are stored in $backup_patched on the tester machine."
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EMAIL=`grep "^email:" $PATCH | sed -e "s/^email://g" -e "s/ //g"`
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if [ x$EMAIL != x ]; then
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mutt -s "[regtest] Results for `basename $PATCH` on $TARGET" -i $REPORT -a $PATCH $EMAIL
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fi
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mv $TESTING $backup_patched
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}
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announce () {
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EMAIL=`grep "^email:" $PATCH | sed -e "s/^email://g" -e "s/ //g"`
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if [ x$EMAIL != x ]; then
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START_REPORT=$TESTING/start_report
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echo "Hi, " >> $START_REPORT
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echo "I'm the automatic tester running on $TARGET." >> $START_REPORT
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echo "I just started to look at your patch `basename $PATCH`." >> $START_REPORT
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echo "Bye, your automatic tester." >> $START_REPORT
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mutt -s "[regtest] Starting bootstrap for `basename $PATCH` on $TARGET" -i $START_REPORT $EMAIL
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fi
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}
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# After selfexec, $TESTING is already set up.
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if [ -d $TESTING ]; then
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# The only file in $TESTING is the patch.
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PATCH=`ls -rt -1 $TESTING | head -1`
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PATCH=$TESTING/$PATCH
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if [ -f $PATCH ]; then
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bootntest_patched && bootntest_pristine && compare_passes
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write_report
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fi
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fi
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firstpatch=true
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while true; do
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PATCH=`ls -rt -1 $PATCHES | head -1`
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if [ x$PATCH = x ]; then
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if [ $stop = true ]; then
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if [ $firstpatch = true ]; then
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echo "No patches ready to test, quitting."
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exit 1
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else
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echo "No more patches to test."
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exit 0
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fi
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fi
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sleep ${standby}m
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else
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firstpatch=false
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sysload=`uptime | cut -d, -f 5`
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if [[ $sysload > $watermark ]]; then
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# Wait a bit when system load is too high.
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sleep ${standby}m
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else
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mkdir -p $TESTING
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mv $PATCHES/$PATCH $TESTING/
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PATCH=$TESTING/$PATCH
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announce
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update && bootntest_patched && bootntest_pristine && compare_passes
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write_report
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fi
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fi
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done
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