rpi: disable wifi and bluetooth

This should resolve znailnetem#12

Author: Patrik Dahlström

Makefile

@@ -123,6 +123,13 @@ build/pi-gen:
 raspbian_image: pypi | build/pi-gen
 	mkdir -p dist/image
 	rm -rf build/pi-gen/stage3 build/pi-gen/stage4 build/pi-gen/stage5
+	sed -e 's/wpasupplicant//' \
+	    -e 's/wireless-tools//' \
+	    -e 's/firmware-atheros//' \
+	    -e 's/firmware-brcm80211//' \
+	    -e 's/firmware-libertas//' \
+	    -e 's/^\s*//' \
+	    -i build/pi-gen/stage2/02-net-tweaks/00-packages
 	cp -r image/raspbian/* build/pi-gen/
 	cp -r requirements.txt dist/pypi/*.whl build/pi-gen/stage3/01-install-python-packages/files
 	cp -r image/common/files/* build/pi-gen/stage3/02-install-services/files

image/raspbian/stage3/00-install-packages/00-packages renamed to image/raspbian/stage3/00-install-packages/00-packages-nr

@@ -0,0 +1,3 @@
+apt remove --purge -y wpasupplicant bluez*
+apt autoremove --purge -y
+rm -rf /etc/wpa_supplicant*

image/raspbian/stage3/00-install-packages/00-run-chroot.sh

@@ -14,4 +14,7 @@ ln -s /etc/systemd/system/update-network-interfaces.service "${ROOTFS_DIR}"/etc/
 install -v -m 700 files/update-network-interfaces "${ROOTFS_DIR}/usr/local/bin"
 
 rm -f "${ROOTFS_DIR}"/etc/systemd/system/multi-user.target.wants/ssh.service
-ln -s /lib/systemd/system/ssh.service "${ROOTFS_DIR}"/etc/systemd/system/multi-user.target.wants/ssh.service
+ln -s /lib/systemd/system/ssh.service "${ROOTFS_DIR}"/etc/systemd/system/multi-user.target.wants/ssh.service
+
+grep -qxF "dtoverlay=pi3-disable-wifi" "${ROOTFS_DIR}/boot/config.txt" || echo "dtoverlay=pi3-disable-wifi" >> "${ROOTFS_DIR}/boot/config.txt"
+grep -qxF "dtoverlay=pi3-disable-bt" "${ROOTFS_DIR}/boot/config.txt" || echo "dtoverlay=pi3-disable-bt" >> "${ROOTFS_DIR}/boot/config.txt"