ohair@276: #!/bin/sh
ohair@276: 
ohair@276: #
ohair@276: # Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
ohair@276: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@276: #
ohair@276: # This code is free software; you can redistribute it and/or modify it
ohair@276: # under the terms of the GNU General Public License version 2 only, as
ohair@276: # published by the Free Software Foundation.
ohair@276: #
ohair@276: # This code is distributed in the hope that it will be useful, but WITHOUT
ohair@276: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@276: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@276: # version 2 for more details (a copy is included in the LICENSE file that
ohair@276: # accompanied this code).
ohair@276: #
ohair@276: # You should have received a copy of the GNU General Public License version
ohair@276: # 2 along with this work; if not, write to the Free Software Foundation,
ohair@276: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@276: #
ohair@276: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@276: # or visit www.oracle.com if you need additional information or have any
ohair@276: # questions.
ohair@276: #
ohair@276: 
ohair@276: # Shell script for a fast parallel forest command
ohair@276: 
ohair@276: tmp=/tmp/forest.$$
ohair@276: rm -f -r ${tmp}
ohair@276: mkdir -p ${tmp}
ohair@276: 
ohair@276: # Remove tmp area on A. B. Normal termination
ohair@276: trap 'rm -f -r ${tmp}' KILL
ohair@276: trap 'rm -f -r ${tmp}' EXIT
ohair@276: 
ohair@276: # Only look in specific locations for possible forests (avoids long searches)
ohair@276: pull_default=""
ohair@276: if [ "$1" = "clone" -o "$1" = "fclone" ] ; then
ohair@276:   subrepos="corba jaxp jaxws langtools jdk hotspot"
ohair@276:   if [ -f .hg/hgrc ] ; then
ohair@276:     pull_default=`hg paths default`
ohair@276:   fi
ohair@276:   if [ "${pull_default}" = "" ] ; then
ohair@276:     echo "ERROR: Need initial clone with 'hg paths default' defined"
ohair@276:     exit 1
ohair@276:   fi
ohair@276:   repos=""
ohair@276:   for i in ${subrepos} ; do
ohair@276:     if [ ! -f ${i}/.hg/hgrc ] ; then
ohair@276:       repos="${repos} ${i}"
ohair@276:     fi
ohair@276:   done
ohair@276:   at_a_time=2
ohair@276: else
ohair@276:   hgdirs=`ls -d ./.hg ./*/.hg ./*/*/.hg ./*/*/*/.hg ./*/*/*/*/.hg 2>/dev/null`
ohair@276:   # Derive repository names from the .hg directory locations
ohair@276:   repos=""
ohair@276:   for i in ${hgdirs} ; do
ohair@276:     repos="${repos} `echo ${i} | sed -e 's@/.hg$@@'`"
ohair@276:   done
ohair@276:   at_a_time=8
ohair@276: fi
ohair@276: 
ohair@276: # Any repos to deal with?
ohair@276: if [ "${repos}" = "" ] ; then
ohair@276:   echo "No repositories to process."
ohair@276:   exit
ohair@276: fi
ohair@276: 
ohair@276: # Echo out what repositories we will process
ohair@276: echo "# Repos: ${repos}"
ohair@276: 
ohair@276: # Run the supplied command on all repos in parallel, save output until end
ohair@276: n=0
ohair@276: for i in ${repos} ; do
ohair@276:   echo "Starting on ${i}"
ohair@276:   n=`expr ${n} '+' 1`
ohair@276:   (
ohair@276:     (
ohair@276:       if [ "$1" = "clone" -o "$1" = "fclone" ] ; then
ohair@276:         cline="hg $* ${pull_default}/${i} ${i}"
ohair@276:         echo "# ${cline}"
ohair@276:         ( eval "${cline}" )
ohair@276:       else
ohair@276:         cline="hg $*"
ohair@276:         echo "# cd ${i} && ${cline}"
ohair@276:         ( cd ${i} && eval "${cline}" )
ohair@276:       fi
ohair@276:       echo "# exit code $?"
ohair@276:     ) > ${tmp}/repo.${n} 2>&1 ; cat ${tmp}/repo.${n} ) &
ohair@276:   if [ `expr ${n} '%' ${at_a_time}` -eq 0 ] ; then
ohair@276:     sleep 5
ohair@276:   fi
ohair@276: done
ohair@276: 
ohair@276: # Wait for all hg commands to complete
ohair@276: wait
ohair@276: 
ohair@276: # Cleanup
ohair@276: rm -f -r ${tmp}
ohair@276: 
ohair@276: # Terminate with exit 0 all the time (hard to know when to say "failed")
ohair@276: exit 0
ohair@276: