#!/bin/sh
#
#  A shell script to automatically get the list of missing packages.
#This gets the HEAD version of each package. 

usage () {
    echo "usage:" `basename $0` -r
    echo "  This will get any missing CMT packages that are referenced in the "
    echo "  package requirements file.   It must be run in a cmt directory "
    echo "  that was checked out of a CVS repository."
    exit
}

get_version() {
    package=`echo $1 | sed s/\;.*//`
    version=`echo $1 | sed s/.*\;//`
    if [ "$version" == "*" ]; then
	version="HEAD"
    fi
    echo Get $package version $version
    if [ $version = HEAD ]; then
	(cd ../../../ ; cmt checkout $package)
    else
	(cd ../../../ ; cmt checkout -r $version $package)
    fi
}

if [ "x$1" != "x" ]; then
    usage
fi

if [ ! -f ./requirements ]; then
    echo "ERROR: Missing the requirements file"
    echo
    usage
fi

if [ ! -f ./CVS/Root ]; then
    echo "ERROR: Cannot find the CVS repository."
    echo
    usage
fi

export CMTPATH=`(cd ../../..; echo $PWD)`:${CMTPATH}
export CVSROOT=`cat ./CVS/Root`

for i in `cmt show uses 2>&1 > /dev/null | awk '{printf("%s;%s\n",$4,$5)}'`; do
    get_version $i
done