Add runtime setup helper function

libimagrt/src/lib.rs

@@ -34,4 +34,5 @@ mod logger;
 pub mod edit;
 pub mod error;
 pub mod runtime;
+pub mod setup;
 

libimagrt/src/setup.rs

@@ -0,0 +1,27 @@
+use clap::App;
+
+use runtime::Runtime;
+
+pub type Name          = &'static str;
+pub type Version<'a>   = &'a str;
+pub type About         = &'static str;
+
+/// Helper to generate the Runtime object
+///
+/// exit()s the program if the runtime couldn't be build, prints error with println!() before
+/// exiting
+pub fn generate_runtime_setup<'a, B>(name: Name, version: Version<'a>, about: About, builder: B)
+    -> Runtime<'a>
+    where B: FnOnce(App<'a, 'a>) -> App<'a, 'a>
+{
+    use std::process::exit;
+    use libimagerror::trace::trace_error_dbg;
+
+    Runtime::new(builder(Runtime::get_default_cli_builder(name, version, about)))
+        .unwrap_or_else(|e| {
+            println!("Could not set up Runtime");
+            println!("{:?}", e);
+            trace_error_dbg(&e);
+            exit(1);
+        })
+}