Don't fail hard on invalid environment variable values.

Also, only log overrides that succeed.
bemasher · Oct 7, 2016 · bf6b099 · bf6b099
1 parent 914fe8d
commit bf6b099
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/flags.go b/flags.go
@@ -101,12 +101,13 @@ func EnvOverride() {
 		envName := "RTLAMR_" + strings.ToUpper(f.Name)
 		flagValue := os.Getenv(envName)
 		if flagValue != "" {
-			log.Printf("Environment variable %q overrides flag %q with %q\n", envName, f.Name, flagValue)
 			if err := flag.Set(f.Name, flagValue); err != nil {
-				log.Fatalf(
+				log.Printf(
 					"Environment variable %q failed to override flag %q with value %q: %q\n",
 					envName, f.Name, flagValue, err,
 				)
+			} else {
+				log.Printf("Environment variable %q overrides flag %q with %q\n", envName, f.Name, flagValue)
 			}
 		}
 	})