Update the main sdk file.

This brings in the Dockerfile parsing support along with a libdevuansdk
update.

lib/libdevuansdk

@@ -1 +1 @@
-Subproject commit fa3c7ea707e6a740b8a98f4eb671483104e26e88
+Subproject commit c922031a0cb2eade8922cf3c2d40dff2b13cd54c

sdk

@@ -60,24 +60,53 @@ load() {
 	)
 
 	oslib="${os_map[$os]}"
-	blendlib="${blend_map[$blend]}"
-
-	[[ $blendlib =~ '^http' ]] && {
-		notice "grabbing blend from the internetz"
-		pushd $R/extra/blends
-			curl -Ls -O $blendlib
-		popd
-		blendlib="$R/extra/blends/$(basename $blendlib)"
-	}
-
 	[[ -f $oslib    ]] || { die "no valid distro specified"; exit 1 }
-	[[ -f $blendlib ]] || { act "no valid blend specified" }
-
 	source $oslib
 
+	blendlib="${blend_map[$blend]}"
+
+	if [[ -z "$blendlib" ]]; then
+		if [[ "$blend" =~ '^http' ]]; then
+			notice "grabbing blend from the internetz"
+			dlpath="$R/extra/blends/$(basename $blend)"
+			wget -O "$dlpath" "$blend"
+			sed 1q "$dlpath" | grep -q '^#!/usr/bin/env zsh' && blendlib="$dlpath"
+		fi
+
+		if [[ -z "$blendlib" ]]; then
+			[[ -n "$dlpath" ]] && blend="$dlpath"
+			act "trying to parse an unknown blend"
+			# Check if it's a Dockerfile
+			if grep -qi '^FROM ' "$blend"; then
+				act "The blend is a Dockerfile"
+				parsedfile="$($LIBPATH/extra/dockerfile_parse.py "$blend")"
+				[[ $? = 0 ]] || { die "Could not parse the Dockerfile" ; exit 1}
+				cat > "$R/$(basename ${blend}).blend" << __EOF__
+#!/usr/bin/env zsh
+# Parsed with dockerfile_parse.py
+#
+blend_postinst() {
+	fn blend_postinst
+	req=(strapdir blend)
+	ckreq || return 1
+
+	notice "executing blend postinst"
+	cat << ___EOF___ | sudo tee \$strapdir/blendpostinst >/dev/null
+${parsedfile}
+___EOF___
+
+	chroot-script -d blendpostinst || zerr
+}
+__EOF__
+				blendlib="$R/$(basename ${blend}).blend"
+			fi
+		fi
+	fi
+
+	[[ -f $blendlib ]] || { act "no blend specified" }
 	[[ -f $blendlib ]] && {
 		source $blendlib || zerr
-		act "$os blend loaded"
+		act "$(basename $blend) blend loaded"
 		export BLEND=1
 	}