make/scripts/hgforest.sh
author katleman
Thu, 01 Dec 2011 10:33:15 -0800
changeset 11062 161820e6113e
parent 7650 6a3a53d8eacc
child 12582 46d24df71c5d
permissions -rw-r--r--
Added tag jdk8-b15 for changeset 2e0d0fb7ccc8
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#!/bin/sh
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#
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# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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# Shell script for a fast parallel forest command
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tmp=/tmp/forest.$$
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rm -f -r ${tmp}
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mkdir -p ${tmp}
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# Remove tmp area on A. B. Normal termination
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trap 'rm -f -r ${tmp}' KILL
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trap 'rm -f -r ${tmp}' EXIT
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# Only look in specific locations for possible forests (avoids long searches)
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pull_default=""
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if [ "$1" = "clone" -o "$1" = "fclone" ] ; then
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  subrepos="corba jaxp jaxws langtools jdk hotspot"
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  if [ -f .hg/hgrc ] ; then
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    pull_default=`hg paths default`
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  fi
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  if [ "${pull_default}" = "" ] ; then
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    echo "ERROR: Need initial clone with 'hg paths default' defined"
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    exit 1
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  fi
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  repos=""
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  for i in ${subrepos} ; do
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    if [ ! -f ${i}/.hg/hgrc ] ; then
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      repos="${repos} ${i}"
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    fi
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  done
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  at_a_time=2
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else
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  hgdirs=`ls -d ./.hg ./*/.hg ./*/*/.hg ./*/*/*/.hg ./*/*/*/*/.hg 2>/dev/null`
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  # Derive repository names from the .hg directory locations
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  repos=""
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  for i in ${hgdirs} ; do
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    repos="${repos} `echo ${i} | sed -e 's@/.hg$@@'`"
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  done
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  at_a_time=8
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fi
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# Any repos to deal with?
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if [ "${repos}" = "" ] ; then
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  echo "No repositories to process."
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  exit
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fi
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# Echo out what repositories we will process
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echo "# Repos: ${repos}"
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# Run the supplied command on all repos in parallel, save output until end
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n=0
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for i in ${repos} ; do
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  echo "Starting on ${i}"
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  n=`expr ${n} '+' 1`
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  (
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    (
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      if [ "$1" = "clone" -o "$1" = "fclone" ] ; then
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        cline="hg $* ${pull_default}/${i} ${i}"
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        echo "# ${cline}"
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        ( eval "${cline}" )
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      else
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        cline="hg $*"
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        echo "# cd ${i} && ${cline}"
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        ( cd ${i} && eval "${cline}" )
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      fi
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      echo "# exit code $?"
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    ) > ${tmp}/repo.${n} 2>&1 ; cat ${tmp}/repo.${n} ) &
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  if [ `expr ${n} '%' ${at_a_time}` -eq 0 ] ; then
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    sleep 5
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  fi
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done
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# Wait for all hg commands to complete
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wait
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# Cleanup
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rm -f -r ${tmp}
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# Terminate with exit 0 all the time (hard to know when to say "failed")
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exit 0
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