bin: Allow to build without bugreport

src/bin/bat/main.rs

@@ -224,12 +224,8 @@ fn run_controller(inputs: Vec<Input>, config: &Config) -> Result<bool> {
     controller.run(inputs)
 }
 
-/// Returns `Err(..)` upon fatal errors. Otherwise, returns `Ok(true)` on full success and
+#[cfg(feature = "bugreport")]
-/// `Ok(false)` if any intermediate errors occurred (were printed).
+fn invoke_bugreport(app: &App) {
-fn run() -> Result<bool> {
-    let app = App::new()?;
-
-    if app.matches.is_present("diagnostic") {
     use bugreport::{bugreport, collector::*, format::Markdown};
     let pager = bat::config::get_pager_executable(app.matches.value_of("pager"))
         .unwrap_or_else(|| "less".to_owned()); // FIXME: Avoid non-canonical path to "less".
@@ -269,7 +265,18 @@ fn run() -> Result<bool> {
     };
 
     report.print::<Markdown>();
+}
 
+/// Returns `Err(..)` upon fatal errors. Otherwise, returns `Ok(true)` on full success and
+/// `Ok(false)` if any intermediate errors occurred (were printed).
+fn run() -> Result<bool> {
+    let app = App::new()?;
+
+    if app.matches.is_present("diagnostic") {
+        #[cfg(feature = "bugreport")]
+        invoke_bugreport(&app);
+        #[cfg(not(feature = "bugreport"))]
+        println!("bat has been built without the 'bugreport' feature. The '--diagnostic' option is not available.");
         return Ok(true);
     }