1 #!/bin/sh

     2 

     3 #

     4 # Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.

     5 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     6 #

     7 # This code is free software; you can redistribute it and/or modify it

     8 # under the terms of the GNU General Public License version 2 only, as

     9 # published by the Free Software Foundation.

    10 #

    11 # This code is distributed in the hope that it will be useful, but WITHOUT

    12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14 # version 2 for more details (a copy is included in the LICENSE file that

    15 # accompanied this code).

    16 #

    17 # You should have received a copy of the GNU General Public License version

    18 # 2 along with this work; if not, write to the Free Software Foundation,

    19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20 #

    21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22 # or visit www.oracle.com if you need additional information or have any

    23 # questions.

    24 #

    25 

    26 # Shell script for a fast parallel forest command

    27 

    28 tmp=/tmp/forest.$$

    29 rm -f -r ${tmp}

    30 mkdir -p ${tmp}

    31 

    32 # Remove tmp area on A. B. Normal termination

    33 trap 'rm -f -r ${tmp}' KILL

    34 trap 'rm -f -r ${tmp}' EXIT

    35 

    36 # Only look in specific locations for possible forests (avoids long searches)

    37 pull_default=""

    38 if [ "$1" = "clone" -o "$1" = "fclone" ] ; then

    39   subrepos="corba jaxp jaxws langtools jdk hotspot"

    40   if [ -f .hg/hgrc ] ; then

    41     pull_default=`hg paths default`

    42   fi

    43   if [ "${pull_default}" = "" ] ; then

    44     echo "ERROR: Need initial clone with 'hg paths default' defined"

    45     exit 1

    46   fi

    47   repos=""

    48   for i in ${subrepos} ; do

    49     if [ ! -f ${i}/.hg/hgrc ] ; then

    50       repos="${repos} ${i}"

    51     fi

    52   done

    53   at_a_time=2

    54 else

    55   hgdirs=`ls -d ./.hg ./*/.hg ./*/*/.hg ./*/*/*/.hg ./*/*/*/*/.hg 2>/dev/null`

    56   # Derive repository names from the .hg directory locations

    57   repos=""

    58   for i in ${hgdirs} ; do

    59     repos="${repos} `echo ${i} | sed -e 's@/.hg$@@'`"

    60   done

    61   at_a_time=8

    62 fi

    63 

    64 # Any repos to deal with?

    65 if [ "${repos}" = "" ] ; then

    66   echo "No repositories to process."

    67   exit

    68 fi

    69 

    70 # Echo out what repositories we will process

    71 echo "# Repos: ${repos}"

    72 

    73 # Run the supplied command on all repos in parallel, save output until end

    74 n=0

    75 for i in ${repos} ; do

    76   echo "Starting on ${i}"

    77   n=`expr ${n} '+' 1`

    78   (

    79     (

    80       if [ "$1" = "clone" -o "$1" = "fclone" ] ; then

    81         cline="hg $* ${pull_default}/${i} ${i}"

    82         echo "# ${cline}"

    83         ( eval "${cline}" )

    84       else

    85         cline="hg $*"

    86         echo "# cd ${i} && ${cline}"

    87         ( cd ${i} && eval "${cline}" )

    88       fi

    89       echo "# exit code $?"

    90     ) > ${tmp}/repo.${n} 2>&1 ; cat ${tmp}/repo.${n} ) &

    91   if [ `expr ${n} '%' ${at_a_time}` -eq 0 ] ; then

    92     sleep 5

    93   fi

    94 done

    95 

    96 # Wait for all hg commands to complete

    97 wait

    98 

    99 # Cleanup

   100 rm -f -r ${tmp}

   101 

   102 # Terminate with exit 0 all the time (hard to know when to say "failed")

   103 exit 0

   104