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#!/bin/bash -e

. /usr/bin/libremessages

main() {
	[[ $# != 1 ]] && { usage; return 1; }
	local source=$1
	local url="$(pbs-plumb-config get "source.$source.url")"

	local cachedir="$(pbs-plumb-config get core.cachedir)"
	[[ -d "${cachedir}" ]] || mkdir -p "${cachedir}"

	if [[ ! -d "${cachedir}/${source}.git" ]]; then
		cd "${cachedir}"
		msg "$(gettext "Cloning %s")" "${cachedir}/${source}.git"
		if ! git clone --mirror "$url" "$source.git"; then
		    error "$(gettext "Failed to download source %s")" "$source"
		    exit 1
		fi
	else
		cd "${cachedir}/${source}.git"
		# Make sure we are fetching the right repo
		if [[ "$url" != "$(git config --get remote.origin.url)" ]] ; then
			error "$(gettext "%s is not a clone of %s")" "$source" "$url"
			plain "$(gettext "Aborting...")"
			exit 1
		fi
		msg "$(gettext "Updating %s")" "${cachedir}/${source}.git"
		if ! git fetch --all -p; then
		    error "$(gettext "Failed to update source %s")" "$source"
		    exit 1
		fi
	fi
}

main "$@"