Added stage4 extraction

gentoo-install.sh

@@ -207,8 +207,8 @@ function prepare_target() {
 }
 
 function stage_step() {
-	local UUID PART_ENTRY_UUID
-	local SwapUUID SwapOffset
+	local s4file SwapUUID SwapOffset
+	local cmd
 
 	show_options
 
@@ -219,14 +219,24 @@ function stage_step() {
 		exit 1
 	fi
 
-	if [[ "$DEBUG" ]]; then
-		local cmd="echo"
+	if "$DEBUG"; then
+		cmd="echo"
 	else
-		local cmd=""
+		cmd=""
 	fi
 
 	#FIXME check $INSTALL_STAGE for http or local file
-	#
+	if [[ "$INSTALL_STAGE" == http* ]]; then
+		s4file="${INSTALL_STAGE##*/}"
+		${cmd} curl -O "/mnt/gentoo/${s4file}" "$INSTALL_STAGE"
+		s4file="/mnt/gentoo/${INSTALL_STAGE##*/}"
+	else
+		s4file="${INSTALL_STAGE}"
+	fi
+
+	${cmd} git clone "https://github.com/erenfro/gen2stage4" "$HOME/gen2stage4"
+	${cmd} "$HOME/gen2stage4/gen2stage4" -q -t /mnt/gentoo "$s4file"
+	${cmd} rm -rf "$HOME/gen2stage4"
 
 	#FIXME post stage extraction: