mirror.sh

#! /usr/bin/env bash

while [[ $# -gt 1 ]]
do
key="$1"

case $key in
    -p|--prefix)
		IFS=';' read -ra PREFIX <<< "$2"
    shift # past argument
    ;;
    -s|--source)
		IFS=';' read -ra SOURCE <<< "$2"
    shift # past argument
    ;;
		-d|--destination)
		IFS=';' read -ra DESTINATION <<< "$2"
		shift # past argument
		;;
    *)
            # unknown option
    ;;
esac
shift # past argument or value
done

echo PREFIX = "${PREFIX}"
echo SOURCE = "${SOURCE}"
echo DESTINATION = "${DESTINATION}"

if [ ! "$PREFIX" ] || [ ! "$SOURCE" ] || [ ! "$DESTINATION" ]
then
    echo "Usage: sh mirror.sh --prefix <cpp> --source <temp-generated-src/cpp> --destination <generated-src/cpp>"
    exit 1
fi

mkdir -p "$DESTINATION"
rsync -a --delete --checksum --itemize-changes "$SOURCE"/ "$DESTINATION" | sed "s/^/[$PREFIX]/"