zigbee2mqtt: improve update script

pkgs/servers/zigbee2mqtt/update.sh

@@ -1,30 +1,31 @@
 #!/usr/bin/env nix-shell
-#! nix-shell -i bash -p nodePackages.node2nix nodejs-12_x curl jq nix-update
+#! nix-shell -I nixpkgs=../../.. -i bash -p nodePackages.node2nix curl jq nix-update common-updater-scripts
 
-CURRENT_VERSION=$(nix eval --raw '(with import ../../.. {}; zigbee2mqtt.version)')
+set -euo pipefail
-TARGET_VERSION=$(curl https://api.github.com/repos/Koenkk/zigbee2mqtt/releases/latest | jq -r ".tag_name")
+
-ZIGBEE2MQTT=https://github.com/Koenkk/zigbee2mqtt/raw/$TARGET_VERSION
+CURRENT_VERSION=$(nix eval -f ../../.. --raw zigbee2mqtt.version)
+TARGET_VERSION="$(curl https://api.github.com/repos/Koenkk/zigbee2mqtt/releases/latest | jq -r ".tag_name")"
 
 if [[ "$CURRENT_VERSION" == "$TARGET_VERSION" ]]; then
     echo "zigbee2mqtt is up-to-date: ${CURRENT_VERSION}"
     exit 0
 fi
 
+ZIGBEE2MQTT=https://github.com/Koenkk/zigbee2mqtt/raw/$TARGET_VERSION
 curl -LO $ZIGBEE2MQTT/package.json
 curl -LO $ZIGBEE2MQTT/npm-shrinkwrap.json
 
-node2nix --nodejs-12 \
+node2nix \
-  -l npm-shrinkwrap.json \
+  --composition node.nix \
-  -c node.nix \
+  --lock npm-shrinkwrap.json \
-  --bypass-cache \
   --no-copy-node-env \
-  --node-env ../../development/node-packages/node-env.nix
+  --node-env ../../development/node-packages/node-env.nix \
+  --nodejs-14 \
+  --output node-packages.nix
+
 rm package.json npm-shrinkwrap.json
 
-{
+(
-    cd ../../..
+    cd ../../../
-    nix-update --version "$TARGET_VERSION" --build zigbee2mqtt
+    update-source-version zigbee2mqtt "$TARGET_VERSION"
-}
+)
-
-git add ./default.nix ./node-packages.nix ./node.nix
-git commit -m "zigbee2mqtt: ${CURRENT_VERSION} -> ${TARGET_VERSION}"