Puppetfile version checker

pfcheck.sh

#!/bin/bash
###########

OK='\033[0;32m'
NOK='\033[0;31m'
NC='\033[0m'

vercomp () {
    if [[ $1 == $2 ]]
    then
        return 0
    fi
    local IFS=.
    local i ver1=($1) ver2=($2)
    # fill empty fields in ver1 with zeros
    for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
    do
        ver1[i]=0
    done
    for ((i=0; i<${#ver1[@]}; i++))
    do
        if [[ -z ${ver2[i]} ]]
        then
            # fill empty fields in ver2 with zeros
            ver2[i]=0
        fi
        if ((10#${ver1[i]} > 10#${ver2[i]}))
        then
            return 1
        fi
        if ((10#${ver1[i]} < 10#${ver2[i]}))
        then
            return 0
        fi
    done
    return 0
}

grep -v "^#" $1 | grep '^mod' | while read i; do
	version=`echo $i | cut -d',' -f2 | sed -e 's/^ //' -e 's/^"//' -e 's/"$//'`;
	if [ ! -z "$version" ]; then
		module=`echo $i | cut -d'"' -f2 | sed -e "s/\//-/g"` ;
		latest_version=`curl https://forgeapi.puppetlabs.com:443/v3/modules/$module 2>/dev/null | grep version | head -n 1 | cut -d'"' -f4`
		if vercomp $version $latest_version  ; then
			printf "${NOK}NOK${NC} - ${module} |${version}-${latest_version}|\n";
		else
			printf "${OK}OK${NC} - ${module} |${version}-${latest_version}|\n";
		fi
	fi
done