From 8ead98606b5e0373832182ee348d4f25844d1aa8 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Wed, 9 Feb 2022 13:10:18 -0500
Subject: [PATCH] pluto-sdr: enable easy updating of firmware from github

When plutosdr is on the internet (via a USB<->Ethernet dongle), it can
talk directly to github, and automagically update to the latest
firmware.

Signed-off-by: Robin Getz <robin.getz@analog.com>
---
 board/pluto/post-build.sh         |  1 +
 board/pluto/update_from_github.sh | 58 +++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 board/pluto/update_from_github.sh

diff --git a/board/pluto/post-build.sh b/board/pluto/post-build.sh
index fd07114627d..f0e6aff0015 100755
--- a/board/pluto/post-build.sh
+++ b/board/pluto/post-build.sh
@@ -54,6 +54,7 @@ mkdir -p ${TARGET_DIR}/mnt/msd
 mkdir -p ${TARGET_DIR}/etc/dropbear
 
 ${INSTALL} -D -m 0755 ${BOARD_DIR}/update.sh ${TARGET_DIR}/sbin/
+${INSTALL} -D -m 0755 ${BOARD_DIR}/update_from_github.sh ${TARGET_DIR}/sbin/
 ${INSTALL} -D -m 0755 ${BOARD_DIR}/update_frm.sh ${TARGET_DIR}/sbin/
 ${INSTALL} -D -m 0755 ${BOARD_DIR}/udc_handle_suspend.sh ${TARGET_DIR}/sbin/
 ${INSTALL} -D -m 0755 ${BOARD_DIR}/S10mdev ${TARGET_DIR}/etc/init.d/
diff --git a/board/pluto/update_from_github.sh b/board/pluto/update_from_github.sh
new file mode 100644
index 00000000000..0149e1e188f
--- /dev/null
+++ b/board/pluto/update_from_github.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+cd /root
+rm -f /root/latest /root/*.zip /root/*.frm
+
+# get the location of the latest release
+wget https://api.github.com/repos/analogdevicesinc/plutosdr-fw/releases/latest
+if [ "$?" -ne "0" ] ; then
+	echo "Error talking to github - is this pluto on the internet?"
+	exit
+fi
+if [ ! -f "latest" ] ; then
+	echo "downloaded file missing"
+	exit
+fi
+# get the FIRMWARE file name
+FIRMWARE=$(grep "name.*plutosdr-fw-" latest | cut -d : -f 2,3 | tr -d \", | sed 's/^ //g')
+if [ -z "${FIRMWARE}" ] ; then
+	echo "Error parsing download file name - please report a bug"
+	exit
+fi
+# get the FIRMWARE URL
+URL=$(grep "browser_download_url.*plutosdr-fw-" latest | cut -d : -f 2,3 | awk '{print $1}' | tr -d \")
+if [ -z "${URL}" ] ; then
+	echo "Error parsing download url - please report a bug"
+	exit
+fi
+# get the URL
+wget ${URL}
+if [ "$?" -ne "0" ] ; then
+	echo "Error talking to github - is this pluto on the internet?"
+	exit
+fi
+if [ ! -f "${FIRMWARE}" ] ; then
+	echo "Can not find downloaded file - report a bug"
+	exit
+fi
+# find the frm inside the zip file
+FILE=$(unzip -l "${FIRMWARE}" | grep frm | sort -nr | head -1 | awk '{print $NF}')
+if [ -z "${FILE}" ] ; then
+	echo "not sure which file to extract - report a bug"
+	exit
+fi
+# upzip it
+unzip ${FIRMWARE} ${FILE}
+if [ "$?" -ne "0" ] ; then
+	echo "Error unzipping ${FILE} from ${FIRMWARE}"
+	exit
+fi
+if [ ! -f ${FILE} ] ; then
+	echo "Can not file file to write to flash"
+	exit
+fi
+
+# write to flash
+update_frm.sh /root/${FILE}
+
+echo "Reboot your system to run the new firmware"