Cleanup error handling

cmd/ui/ui.go

@@ -23,11 +23,10 @@ func main() {
 
 	// Goroutine to handle os signals (nuke fim so we can get to config ui)
 	go func() {
-		for sig := range sigs {
-			fmt.Println(sig)
+		for range sigs {
 			if fim != nil { // Just in case someone lays on ctrl-c or similar during startup
 				if err := fim.Process.Kill(); err != nil {
-					log.Fatal("failed to kill process: ", err)
+					log.Fatalf("failed to kill process: %s", err)
 				}
 			}
 		}
@@ -41,7 +40,7 @@ func main() {
 			// Unwrap the error a bit so we can find out if a signal killed fim or something else
 			// An exit code of -1 means the program didn't exit in time or was terminated by a signal (per the docs)
 			if exitError, ok := err.(*exec.ExitError); ok && exitError.ExitCode() != -1 {
-				log.Fatalf("Error : ", err)
+				log.Fatalf("Error : %s", err)
 			}
 		}