#!/bin/sh
# Get and install the latest monit version from CVS
#set -vx

help() {
 cat << ENDTEXT
Usage: `basename $0` [-h] installdir  
This script will download and build the latest monit from CVS and install
monit in 'installdir'. 
ENDTEXT
}

merror() {
   echo $1;
	cd /tmp && rm -rf $builddir;
	exit 1;
}

# Trap for cleanup
trap 'merror "Aborted";' TERM INT

case $# in
1) installdir=$1;;
*) help; exit 1;;
esac     

while getopts "h" c
do
 case $c in
  h)  help;
      exit 0;;
 esac
done

# Do we have write permissions in installdir?
if [ ! -d $installdir ]
then
	echo "Error, '$installdir' is not a directory"
	exit 1;
fi
if [ ! -w $installdir ]
then
	echo "Error, cannot write to $installdir -- no permission"
	exit 1;
fi

# Be quiet 
exec 2>/dev/null

# Build in /tmp
builddir=$$_monit
cd /tmp && mkdir $builddir && cd 1>/dev/null $builddir || { echo "Error creating build dir [/tmp/$builddir]"; exit 1; }

# Get cvs version
echo "Downloading monit from CVS, please wait.."
export CVS_RSH=ssh
cvs -Q -z3 -d:ext:anoncvs@savannah.nongnu.org:/cvsroot/monit co monit || merror "Error downloading from CVS" 
cd 1>/dev/null monit
echo "Succeded downloading monit"

# Build
echo "Building monit, please wait.."
./autogen.sh 1>&2 || merror "Error configuring monit" 
make 1>&2 || merror "Error building monit"
echo "Succeeded building monit"

# Install 
echo "-------------------------------------------------------------------------------"
VERSION=`perl -ne 'if(/AC_INIT.*\[(\w)([\.\w]+)(\-\w+)?\]/){print"$1$2$3\n";}' configure.ac`
echo -n "Install monit version $VERSION? [y|n]? [y]"
read variable <&1 
if [ "xn" = "x$variable" ]
then
		merror "Install aborted"
fi
cp monit $installdir || merror "Error installing monit"
chmod 755 $installdir/monit || merror "Error, cannot set $installdir/monit as executable"
echo "Succeded installing monit at $installdir/monit"

# Remove build dir
cd /tmp && rm -rf $builddir;