rebuild-ppa.sh

#°/bin/sh
BN="$(basename "$0")"
D="$(dirname "$0")"
D="$(cd "${D}" && pwd)"

"${D}/init-gpg.sh"
for ppa in "${D}/debs/"*/*; do
    ARCHITECTTURE="$(basename "${ppa}")"
    OS="$(basename "$(dirname "${ppa}")")"
    UPDATE_THIS_PPA=
    if [ ! -e "${ppa}/lxc.public.gpg" ]; then
	UPDATE_THIS_PPA=y
    elif [ -n "$(find "${ppa}" -newer "${ppa}/lxc.public.gpg")"  ]; then
	UPDATE_THIS_PPA=y
    fi
    test -n "${UPDATE_THIS_PPA}" && {
	(
	    cd "${ppa}"
	    dpkg-scanpackages . >Packages
	    {
		AFR="APT::FTPArchive::Release::"
		echo "${AFR}Origin \"lxc-ubuntu\";"
		echo "${AFR}Label \"lxc-ubuntu\";"
		echo "${AFR}Suite \"${OS}\";"
		echo "${AFR}Codename \"${OS}\";"
		echo "${AFR}Architectures \"${ARCHITECTURE}\";"
		#echo "${AFR}Components \".\";"
		echo "${AFR}Description \"Precompiled packages for our LXC containers\";"
	    } >"Release.tmp"
	    apt-ftparchive -c "Release.tmp" release "." >"./Release"
	    rm -f "Release.tmp"
	    rm -f "Release.gpg"
	    gpg --homedir "${D}/gpg" -abs --digest-algo SHA256 -u "$(cat "${D}/gpg/keyid")" -o "Release.gpg" "Release"
	    rm -f "InRelease"
	    gpg --homedir "${D}/gpg" -abs --digest-algo SHA256 -u "$(cat "${D}/gpg/keyid")" --clearsign -o "InRelease" "Release"
	    cp "${D}/gpg/lxc.public.asc" .
	    cp "${D}/gpg/lxc.public.gpg" .
	)
    }
done