--- trunk/mage/usr/lib/mage/mage4.functions.sh	2011/12/27 10:00:34	1548
+++ trunk/mage/usr/lib/mage/mage4.functions.sh	2011/12/27 10:43:40	1549
@@ -38,6 +38,50 @@
 	return 0
 }
 
+mchecksum()
+{
+	local i
+	local rundir
+	local file
+	local method
+	local cmd
+	local retval
+
+	# very basic getops
+	for i in $*
+	do
+		case $1 in
+			--rundir|-r) shift; rundir="$1" ;;
+			--file|-f) shift; file="$1" ;;
+			--method|-m) shift; method="$1" ;;
+		esac
+		shift
+	done
+
+	# sanity checks
+	[[ -z ${rundir} ]] && die "mchecksum(): rundir missing"
+	[[ -z ${file} ]] && die "mchecksum(): file missing"
+	[[ -z ${method} ]] && die "mchecksum(): method missing"
+
+	case ${method} in
+		md5) cmd="md5sum" ;;
+		sha256) cmd="sha256sum" ;;
+		*) die "mchecksum(): unkown method '${method}'" ;;
+	esac
+
+	if [[ -d ${rundir} ]]
+	then
+		pushd ${rundir} &> /dev/null
+		${cmd} -c ${file} &> /dev/null
+		retval="$?"
+		popd &> /dev/null
+	else
+		retval=1
+	fi
+
+	return "${retval}"
+}
+
 unpack_packages()
 {
 	local list="$@"
@@ -1283,9 +1327,111 @@
 	done
 }
 
+# convertmirrors [uri]
+convertmirrors()
+{
+	local uri="$1"
+	local scheme
+	local mirror
+	local mirrors
+	local addon
+	local real_uri
+	local output
+
+	# needs
+	[[ -z ${MIRRORS} ]] && die "convertmirrors(): no mirrors defined!"
+	[[ -z ${SOURCEFORGE_MIRRORS} ]] && die "convertmirrors(): no sourceforge mirrors defined!"
+	[[ -z ${GNU_MIRRORS} ]] && die "convertmirrors(): no gnu mirrors defined!"
+	[[ -z ${GNOME_MIRRORS} ]] && die "convertmirrors(): no gnome mirrors defined!"
+	[[ -z ${KDE_MIRRORS} ]] && die "convertmirrors(): no kde mirrors defined!"
+
+	# check known uri schemes
+	case ${uri} in
+		http://*|https://*|ftp://*|ftps://*) mirrors="" ;;
+		mirror://*) mirrors="${MIRRORS}"; scheme="mirror://"; addon="/sources" ;;
+		package://*) mirrors="${MIRRORS}"; scheme="package://"; addon="/${PACKAGES_SERVER_PATH}" ;;
+		gnu://*) mirrors="${GNU_MIRRORS}"; scheme="gnu://" ;;
+		sourceforge://*) mirrors="${SOURCEFORGE_MIRRORS}"; scheme="sourceforge://" ;;
+		gnome://*) mirrors="${GNOME_MIRRORS}"; scheme="gnome://" ;;
+		kde://*) mirrors="${KDE_MIRRORS}"; scheme="kde://" ;;
+		*) die "convertmirror(): unsupported uri scheme in '${uri}'!" ;;
+	esac
+
+	if [[ ! -z ${mirrors} ]]
+	then
+			for mirror in ${mirrors}
+			do
+				# add a whitespace to the output
+				[[ -z ${output} ]] || output+=" "
+				output+="${mirror}${addon}/${uri/${scheme}/}"
+			done
+	else
+		output="${uri}"		
+	fi
+
+	echo "${output}"
+}
+
+mdownload()
+{
+	local i
+	local uri
+	local real_uris
+	local mirror
+	local outputfile
+	local outputdir
+	local retval
+	local wget_opts
+
+	# very basic getops
+	for i in $*
+	do
+		case $1 in
+			--uri|-u) shift; uri="$1" ;;
+			--dir|-d) shift; outputdir="$1" ;;
+		esac
+		shift
+	done
+
+	# sanity checks; abort if not given
+	[[ -z ${uri} ]] && die "mdownload(): no uri given!"
+	[[ -z ${outputdir} ]] && die "mdownload(): no dir given!"
+
+	# convert mirrored uris to the real ones
+	real_uris="$(convertmirrors ${uri})"
+
+	# verbose or not
+	[[ ${VERBOSE} = off ]] && wget_opts="--quiet"
+
+	# filter wget options if busybox was found
+	wget_opts="$(busybox_filter_wget_options ${WGET_FETCH_OPTIONS})"
+
+	# create outputdir
+	[[ ! -d ${outputdir} ]] && install -d "${outputdir}"
+
+	for mirror in ${real_uris}
+	do
+		# get the name of the output file
+		outputfile="${mirror##*/}"
+
+		wget ${wget_opts} --output-document="${outputdir}/${outputfile}" "${mirror}"
+		retval="$?"
+		if [[ ${retval} = 0 ]]
+		then
+			break
+		else
+			continue
+		fi
+	done
+
+	# return wget retval
+	return "${retval}"
+}
+
 # fetch_packages /path/to/mage/file1 /path/to/mage/file2
 fetch_packages()
 {
+	local i
 	local list="$@"
 	local pkg
 	local mirr
@@ -1339,27 +1485,13 @@
 			continue
 		fi
 
-		for mirr in ${MIRRORS}
-		do
-			echo -ne " ${COLBLUE}***${COLDEFAULT}"
-			#echo -e " fetching (${count_current}/${count_total}): ${mirr}/${pkg} ... "
-			echo -e " fetching (${count_current}/${count_total}): ${pkg} ... "
-			[[ ${VERBOSE} = off ]] && opt="--quiet"
-			wget \
-				${wget_opts} \
-				--directory-prefix=${PKGDIR} \
-				${opt} ${mirr}/${PACKAGES_SERVER_PATH}/${pkg}
-			if [[ $? = 0 ]]
-			then
-				break
-			else
-				continue
-			fi
-		done
+		echo -ne " ${COLBLUE}***${COLDEFAULT}"
+		echo -e " fetching (${count_current}/${count_total}): ${pkg} ... "
+		mdownload --uri "package://${pkg}" --dir "${PKGDIR}" || die "Could not download ${pkg}"
 
 		if [ ! -f ${PKGDIR}/${pkg} ]
 		then
-			die "Could not download ${pkg}"
+			die "Package '${pkg}' after download not found in '${PKGDIR}'"
 		fi
 	done