#!/bin/sh## Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.## This code is free software; you can redistribute it and/or modify it# under the terms of the GNU General Public License version 2 only, as# published by the Free Software Foundation.## This code is distributed in the hope that it will be useful, but WITHOUT# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License# version 2 for more details (a copy is included in the LICENSE file that# accompanied this code).## You should have received a copy of the GNU General Public License version# 2 along with this work; if not, write to the Free Software Foundation,# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.## Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA# or visit www.oracle.com if you need additional information or have any# questions.## Shell script for a fast parallel forest commandcommand="$1"pull_extra_base="$2"if [ "" = "$command" ] ; then echo No command to hg supplied! exit 1fi# Clean out the temporary directory that stores the pid files.tmp=/tmp/forest.$$rm -f -r ${tmp}mkdir -p ${tmp}safe_interrupt () { if [ -d ${tmp} ]; then if [ "`ls ${tmp}/*.pid`" != "" ]; then echo "Waiting for processes ( `cat ${tmp}/*.pid | tr '\n' ' '`) to terminate nicely!" sleep 1 # Pipe stderr to dev/null to silence kill, that complains when trying to kill # a subprocess that has already exited. kill -TERM `cat ${tmp}/*.pid | tr '\n' ' '` 2> /dev/null wait echo Interrupt complete! fi fi rm -f -r ${tmp} exit 1}nice_exit () { if [ -d ${tmp} ]; then if [ "`ls ${tmp}`" != "" ]; then wait fi fi rm -f -r ${tmp}}trap 'safe_interrupt' INT QUITtrap 'nice_exit' EXIT# Only look in specific locations for possible forests (avoids long searches)pull_default=""repos=""repos_extra=""if [ "${command}" = "clone" -o "${command}" = "fclone" ] ; then subrepos="corba jaxp jaxws langtools jdk hotspot nashorn" if [ -f .hg/hgrc ] ; then pull_default=`hg paths default` if [ "${pull_default}" = "" ] ; then echo "ERROR: Need initial clone with 'hg paths default' defined" exit 1 fi fi if [ "${pull_default}" = "" ] ; then echo "ERROR: Need initial repository to use this script" exit 1 fi for i in ${subrepos} ; do if [ ! -f ${i}/.hg/hgrc ] ; then repos="${repos} ${i}" fi done if [ "${pull_extra_base}" != "" ] ; then subrepos_extra="jdk/src/closed jdk/make/closed jdk/test/closed hotspot/make/closed hotspot/src/closed hotspot/test/closed deploy install sponsors pubs" pull_default_tail=`echo ${pull_default} | sed -e 's@^.*://[^/]*/\(.*\)@\1@'` pull_extra="${pull_extra_base}/${pull_default_tail}" for i in ${subrepos_extra} ; do if [ ! -f ${i}/.hg/hgrc ] ; then repos_extra="${repos_extra} ${i}" fi done fi at_a_time=2 # Any repos to deal with? if [ "${repos}" = "" -a "${repos_extra}" = "" ] ; then exit fielse hgdirs=`ls -d ./.hg ./*/.hg ./*/*/.hg ./*/*/*/.hg ./*/*/*/*/.hg 2>/dev/null` # Derive repository names from the .hg directory locations for i in ${hgdirs} ; do repos="${repos} `echo ${i} | sed -e 's@/.hg$@@'`" done for i in ${repos} ; do if [ -h ${i}/.hg/store/lock -o -f ${i}/.hg/store/lock ] ; then locked="${i} ${locked}" fi done at_a_time=8 # Any repos to deal with? if [ "${repos}" = "" ] ; then echo "No repositories to process." exit fi if [ "${locked}" != "" ] ; then echo "These repositories are locked: ${locked}" exit fifi# Echo out what repositories we do a command on.echo "# Repositories: ${repos} ${repos_extra}"echo# Run the supplied command on all repos in parallel.n=0for i in ${repos} ${repos_extra} ; do n=`expr ${n} '+' 1` repopidfile=`echo ${i} | sed -e 's@./@@' -e 's@/@_@g'` reponame=`echo ${i} | sed -e :a -e 's/^.\{1,20\}$/ &/;ta'` pull_base="${pull_default}" for j in $repos_extra ; do if [ "$i" = "$j" ] ; then pull_base="${pull_extra}" fi done ( ( if [ "${command}" = "clone" -o "${command}" = "fclone" ] ; then pull_newrepo="`echo ${pull_base}/${i} | sed -e 's@\([^:]/\)//*@\1@g'`" echo hg clone ${pull_newrepo} ${i} path="`dirname ${i}`" if [ "${path}" != "." ] ; then times=0 while [ ! -d "${path}" ] ## nested repo, ensure containing dir exists do times=`expr ${times} '+' 1` if [ `expr ${times} '%' 10` -eq 0 ] ; then echo ${path} still not created, waiting... fi sleep 5 done fi (PYTHONUNBUFFERED=true hg clone ${pull_newrepo} ${i}; echo "$?" > ${tmp}/${repopidfile}.pid.rc )& else echo "cd ${i} && hg $*" cd ${i} && (PYTHONUNBUFFERED=true hg "$@"; echo "$?" > ${tmp}/${repopidfile}.pid.rc )& fi echo $! > ${tmp}/${repopidfile}.pid ) 2>&1 | sed -e "s@^@${reponame}: @") & if [ `expr ${n} '%' ${at_a_time}` -eq 0 ] ; then sleep 2 echo Waiting 5 secs before spawning next background command. sleep 3 fidone# Wait for all hg commands to completewait# Terminate with exit 0 only if all subprocesses were successfulec=0if [ -d ${tmp} ]; then for rc in ${tmp}/*.pid.rc ; do exit_code=`cat ${rc} | tr -d ' \n\r'` if [ "${exit_code}" != "0" ] ; then echo "WARNING: ${rc} exited abnormally." ec=1 fi donefiexit ${ec}