Add release script

.gitignore

@@ -42,3 +42,5 @@ scripts/mqtt.py
 *.priv
 run-qemu.sh
 *.img
+artifacts
+RELEASE_NOTES

release.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+source .env
+rm -rf artifacts deps _build RELEASE_NOTES
+grep -Pazo "(?s)(?<=# $(cat VERSION))[^#]+" CHANGELOG.md > RELEASE_NOTES
+mkdir artifacts
+export MIX_ENV=prod
+export MIX_TARGET=rpi3
+mix deps.get
+mix firmware
+mix firmware.image artifacts/farmbot-${MIX_TARGET}-$(cat VERSION).img
+fwup -S -s $NERVES_FW_PRIV_KEY -i _build/${MIX_TARGET}/${MIX_ENV}/nerves/images/farmbot.fw -o artifacts/farmbot-${MIX_TARGET}-$(cat VERSION).fw
+ghr -t $GITHUB_TOKEN -u farmbot -r farmbot_os -recreate -prerelease -b "$(cat RELEASE_NOTES)" -c $(git rev-parse --verify HEAD) "v$(cat VERSION)" $PWD/artifacts