error handling fixup also read config from user config directory

src/main.rs

@@ -1,5 +1,6 @@
 extern crate chrono;
 extern crate colored;
+extern crate dirs;
 #[macro_use]
 extern crate log;
 extern crate serde;
@@ -13,6 +14,10 @@ mod logger;
 mod proc;
 mod result;
 
+use std::path::PathBuf;
+
+use dirs::config_dir;
+
 use apps::Apps;
 use proc::Proc;
 use result::Result;
@@ -23,7 +28,15 @@ fn main() {
 		std::process::exit(1);
 	}
 
-	match startup() {
+	let apps_file: PathBuf = match config_dir() {
+		Some(mut d) => {
+			d.push("sup.toml");
+			d
+		}
+		None => PathBuf::from("sup.toml"),
+	};
+
+	match startup(apps_file) {
 		Ok(p) => {
 			info!("shutting down");
 			for mut proc in p {
@@ -37,10 +50,9 @@ fn main() {
 	};
 }
 
-fn startup() -> Result<Vec<Proc>> {
-	let apps = Apps::load("sup.toml")?;
+fn startup(apps_file: PathBuf) -> Result<Vec<Proc>> {
+	let apps = Apps::load(apps_file)?;
 	let (procs, holds) = apps.start();
 	let procs = apps.run(procs, holds)?;
-
 	Ok(procs)
 }