Update to v2-beta

See Changelog for full details.

CHANGELOG.md

@@ -2,8 +2,36 @@
 
 All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
+
+## [Unreleased]
+### Changed
+- Root filesystem is now readonly.
+- Use cut-down firmware for faster boot.
+- Auto-generated hostname: RPi-{serial}
+
+## v2 Beta - 2021-01-05
+### Added
+- `/etc/modprobe.d/raspi-blacklist.conf` - blacklist camera modules for faster boot.
+- Utilize `eudev` for automatic device detection and module loading.
+- Added `busybox` config fragment (`dhcprelay`).
+- A random password is now set at build time (`post-build.sh`).
+
+### Changed
+- Update buildroot to 2020.11.x.
+- Replaced `mdsn-repeater` with `avahi-daemon`, which is included in upstream buildroot.
+- Config files renamed: `rpi_wifi_bridge` -> `rpi0w`.
+- Minor edits to network interfaces config.
+- Temporarily reverted rootfs to ext4.
+- Disabled audio by default.
+
+### Removed
+- Removed `parprouted` - merged upstream.
+- Removed `/etc/inittab` modification.
+- Removed explicit module loading.
+- Removed default password warning.
+- Removed device tree overlays.
 
 ## v1 Beta - 2020-07-05
 ### Added
-- Initial beta
+- Initial beta.

Config.in

@@ -1 +0,0 @@
-source "$BR2_EXTERNAL_RPI_WIFI_BRIDGE_PATH/package/mdns-repeater/Config.in"

TODO.md

@@ -0,0 +1,4 @@
+# To-Do
+
+- [ ] Add static IP option.
+- [ ] Add support for more Pis.

board/rpi_wifi_bridge/genimage.cfg → board/raspberrypi0w/genimage.cfg

@@ -8,7 +8,6 @@ image boot.vfat {
       "zImage",
       "../../../overlay-boot/config.txt",
       "../../../overlay-boot/cmdline.txt",
-      "../../../overlay-boot/overlays"
     }
   }
   size = 32M
@@ -25,7 +24,7 @@ image sdcard.img {
   }
 
   partition rootfs {
-    partition-type = 0x83
-    image = "rootfs.f2fs"
+    partition-type = 0x82
+    image = "rootfs.ext2"
   }
 }

board/raspberrypi0w/post-build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# Set a random root password
+declare password
+password=$(pwgen --ambiguous)
+echo "Your root password is: $password"
+sed -i "s|root::|root:$(openssl passwd -5 -noverify -stdin <<<$password):|" "$TARGET_DIR/etc/shadow"
+unset password