Address "should check that we're building on debian through e.g. a...

Address "should check that we're building on debian through e.g. a 'derivative-is-based-on' variable or somesuch" fixme.

functions/defaults.sh

@@ -127,6 +127,7 @@ Set_defaults ()
 		progress-linux)
 			LB_DISTRIBUTION="${LB_DISTRIBUTION:-baureo}"
 			LB_DERIVATIVE="true"
+			LB_DERIVATIVE_IS_BASED_ON="debian"
 			;;
 
 		ubuntu)

scripts/build/chroot_firmware

@@ -69,9 +69,19 @@ done
 
 if echo ${LIVE_IMAGE_PARENT_ARCHIVE_AREAS} | grep -qs "non-free"
 then
-	# FIXME: should check that we're building on debian through e.g. a 'derivative-is-based-on' variable or somesuch.
 	# Manually add firmware-linux/non-free meta package
-	FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} firmware-linux"
+	if [ "${LB_DERIVATIVE}" != "true" ]
+	then
+		FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} firmware-linux"
+	else
+		case "${LB_DERIVATIVE_IS_BASED_ON}" in
+			debian)
+				FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} firmware-linux"
+				;;
+			*)
+				;;
+		esac
+	fi
 fi
 
 if [ "${LB_DERIVATIVE}" = "true" ]

scripts/build/installer_debian-installer

@@ -432,9 +432,19 @@ then
 
 		if echo ${LIVE_IMAGE_PARENT_ARCHIVE_AREAS} | grep -qs "non-free"
 		then
-			# FIXME: should check that we're building on debian through e.g. a 'derivative-is-based-on' variable or somesuch.
 			# Manually add firmware-linux/non-free meta package
-			FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} firmware-linux"
+			if [ "${LB_DERIVATIVE}" != "true" ]
+			then
+				FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} firmware-linux"
+			else
+				case "${LB_DERIVATIVE_IS_BASED_ON}" in
+					debian)
+						FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} firmware-linux"
+						;;
+					*)
+						;;
+				esac
+			fi
 		fi
 
 		if [ "${LB_DERIVATIVE}" = "true" ]