reload the configuration on SIGHUP

muesli · Feb 13, 2022 · 8bd45e9 · 8bd45e9
1 parent 810ecc9
commit 8bd45e9
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diff --git a/README.md b/README.md
@@ -95,6 +95,7 @@ Description=Deckmaster Service
 # adjust the path to deckmaster and .deck file to suit your needs
 ExecStart=/usr/local/bin/deckmaster --deck path-to/some.deck
 Restart=on-failure
+ExecReload=kill -HUP $MAINPID
 
 [Install]
 WantedBy=default.target

diff --git a/main.go b/main.go
@@ -84,6 +84,9 @@ func eventLoop(dev *streamdeck.Device, tch chan interface{}) error {
 	sigs := make(chan os.Signal, 1)
 	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
 
+	hup := make(chan os.Signal, 1)
+	signal.Notify(hup, syscall.SIGHUP)
+
 	var keyStates sync.Map
 	keyTimestamps := make(map[uint8]time.Time)
 
@@ -144,6 +147,14 @@ func eventLoop(dev *streamdeck.Device, tch chan interface{}) error {
 		case err := <-shutdown:
 			return err
 
+		case <-hup:
+			verbosef("Received SIGHUP, reloading configuration...")
+			deck, err = LoadDeck(dev, "", deck.File)
+			if err != nil {
+				return err
+			}
+			deck.updateWidgets()
+
 		case <-sigs:
 			fmt.Println("Shutting down...")
 			return nil