Fix bug where itctl could not be killed

cmd/itctl/watch.go

@@ -14,7 +14,9 @@ func watchHeart(c *cli.Context) error {
 		return err
 	}
 
-	for heartRate := range heartCh {
+	for {
+		select {
+		case heartRate := <-heartCh:
 			if c.Bool("json") {
 				json.NewEncoder(os.Stdout).Encode(
 					map[string]uint8{"heartRate": heartRate},
@@ -24,9 +26,10 @@ func watchHeart(c *cli.Context) error {
 			} else {
 				fmt.Println(heartRate, "BPM")
 			}
-	}
-
+		case <-c.Done():
 			return nil
+		}
+	}
 }
 
 func watchBattLevel(c *cli.Context) error {
@@ -35,7 +38,9 @@ func watchBattLevel(c *cli.Context) error {
 		return err
 	}
 
-	for battLevel := range battLevelCh {
+	for {
+		select {
+		case battLevel := <-battLevelCh:
 			if c.Bool("json") {
 				json.NewEncoder(os.Stdout).Encode(
 					map[string]uint8{"battLevel": battLevel},
@@ -45,9 +50,10 @@ func watchBattLevel(c *cli.Context) error {
 			} else {
 				fmt.Printf("%d%%\n", battLevel)
 			}
-	}
-
+		case <-c.Done():
 			return nil
+		}
+	}
 }
 
 func watchStepCount(c *cli.Context) error {
@@ -56,7 +62,9 @@ func watchStepCount(c *cli.Context) error {
 		return err
 	}
 
-	for stepCount := range stepCountCh {
+	for {
+		select {
+		case stepCount := <-stepCountCh:
 			if c.Bool("json") {
 				json.NewEncoder(os.Stdout).Encode(
 					map[string]uint32{"stepCount": stepCount},
@@ -66,9 +74,10 @@ func watchStepCount(c *cli.Context) error {
 			} else {
 				fmt.Println(stepCount, "Steps")
 			}
-	}
-
+		case <-c.Done():
 			return nil
+		}
+	}
 }
 
 func watchMotion(c *cli.Context) error {
@@ -77,7 +86,9 @@ func watchMotion(c *cli.Context) error {
 		return err
 	}
 
-	for motionVals := range motionCh {
+	for {
+		select {
+		case motionVals := <-motionCh:
 			if c.Bool("json") {
 				json.NewEncoder(os.Stdout).Encode(motionVals)
 			} else if c.Bool("shell") {
@@ -90,7 +101,8 @@ func watchMotion(c *cli.Context) error {
 			} else {
 				fmt.Println(motionVals)
 			}
-	}
-
+		case <-c.Done():
 			return nil
+		}
+	}
 }

version.txt

@@ -1 +1 @@
-unknown
+r150.78b5ca1