Replace last bail! invocations.

hammond-data/src/errors.rs

@@ -46,6 +46,10 @@ pub enum DataError {
     },
     #[fail(display = "Error occured while Parsing an Episode. Reason: {}", reason)]
     ParseEpisodeError { reason: String, parent_id: i32 },
+    #[fail(display = "No Futures where produced to be run.")]
+    EmptyFuturesList,
+    #[fail(display = "Episode was not changed and thus skipped.")]
+    EpisodeNotChanged,
 }
 
 impl From<RunMigrationsError> for DataError {

hammond-data/src/feed.rs

@@ -96,7 +96,7 @@ impl Feed {
             // I am not sure what the optimizations are on match vs allocating None.
             .map(|fut| {
                 fut.and_then(|x| match x {
-                    IndexState::NotChanged => return Err(DataError::DiscountBail(format!("Nothing to do here."))),
+                    IndexState::NotChanged => return Err(DataError::EpisodeNotChanged),
                     _ => Ok(x),
                 })
             })

hammond-data/src/lib.rs

@@ -27,7 +27,7 @@ extern crate derive_builder;
 extern crate diesel;
 #[macro_use]
 extern crate diesel_migrations;
-#[macro_use]
+// #[macro_use]
 extern crate failure;
 #[macro_use]
 extern crate failure_derive;

hammond-data/src/pipeline.rs

@@ -58,9 +58,7 @@ pub fn pipeline<S: IntoIterator<Item = Source>>(
         .collect();
 
     if list.is_empty() {
-        return Err(DataError::DiscountBail(format!(
-            "No futures were found to run."
-        )));
+        return Err(DataError::EmptyFuturesList);
     }
 
     // Thats not really concurrent yet I think.