handle errors better to include error messages

src/apps.rs

@@ -1,3 +1,4 @@
+use std::boxed::Box;
 use std::fs::File;
 use std::io::Read;
 use std::path::PathBuf;
@@ -12,11 +13,29 @@ pub struct Apps {
 }
 
 impl Apps {
-	pub fn load<T: Into<PathBuf>>(p: T) -> Result<Self> {
-		let mut file = File::open(p.into())?;
-		let mut buf = String::new();
-		file.read_to_string(&mut buf)?;
-		Ok(toml::from_str(&buf)?)
+	pub fn load(p: PathBuf) -> Result<Self> {
+		match File::open(p.into()) {
+			Ok(file) => {
+				let mut buf = String::new();
+
+				if let Err(e) = file.read_to_string(&mut buf) {
+					error!("unable to read apps file: {}: {:?}", p.display(), e);
+					return Err(Box::new(e));
+				};
+
+				match toml::from_str(&buf) {
+					Ok(t) => Ok(t),
+					Err(e) => {
+						error!("Invalid toml in apps file: {}: {:?}", p.display(), e);
+						Err(Box::new(e))
+					}
+				}
+			}
+			Err(e) => {
+				error!("Unable to open apps file: {}: {:?}", p.display(), e);
+				Err(Box::new(e))
+			}
+		}
 	}
 
 	pub fn apps(&self) -> Vec<App> {