valetudo update script

valetudo_update.fish

#!/usr/bin/env fish

set HOSTNAME "dreame_vacuum_r2416a.lan"
set VALETUDO_ARCH "aarch64"

set BASE_URL "https://github.com/Hypfer/Valetudo/releases/latest/download/"
# set BASE_URL "https://github.com/Hypfer/Valetudo/releases/download/2025.12.0/"

if ping -c 1 -W 1 "$HOSTNAME" >/dev/null
	echo "$HOSTNAME alive, good"
else
	echo "$HOSTNAME offline"
	exit 1
end

function get_remote_sha
	ssh -q root@"$HOSTNAME" "sha256sum /data/valetudo" | cut -d " " -f 1
end

set CURRENT_SHA (get_remote_sha)

if set -q CURRENT_SHA
else
	echo "could not get current valetudo binary SHA"
	exit 1
end

echo "current valetudo binary SHA: $CURRENT_SHA"

set TMP (mktemp -d)
echo "created $TMP"

if set -q TMP
else
	echo "could not get temporary directory"
	exit 1
end

function cleanup
	cd "$TMP/.."
	rm -rf "$TMP"
end

cd "$TMP"
echo "downloading manifest"
curl -sOL "$BASE_URL/valetudo_release_manifest.json"
set LATEST_SHA (jq -r ".\"sha256sums\".\"valetudo-$VALETUDO_ARCH\"" valetudo_release_manifest.json )

echo "latest sha: $LATEST_SHA"


if [ "$CURRENT_SHA" = "$LATEST_SHA" ]
	echo "SHA match, no need to update!"
	cleanup
	exit 0
end

echo "SHA mismatch, new version available! downloading"

curl -sOL "$BASE_URL/valetudo-$VALETUDO_ARCH"


echo "copying binary"

scp -q -O "valetudo-$VALETUDO_ARCH" "root@$HOSTNAME:/data/valetudo_new"

echo "stopping valetudo"
ssh -q root@"$HOSTNAME" "killall valetudo"

echo "replacing binary"
ssh -q root@"$HOSTNAME" "mv /data/valetudo /data/valetudo_old; mv /data/valetudo_new /data/valetudo; chmod +x /data/valetudo"

set  (get_remote_sha)

set NEW_SHA (get_remote_sha)

if set -q NEW_SHA
else
	echo "could not get current valetudo binary SHA"
	exit 1
end

echo "updated valetudo binary SHA: $NEW_SHA"

if [ "$NEW_SHA" = "$LATEST_SHA" ]
	echo "valetudo updated, rebooting vacuum!"
	ssh -q root@"$HOSTNAME" "reboot"
	cleanup
	exit 0
end

echo "new valetudo binary SHA mismatch!"
exit 1