From 42c00a5794cd776c7c1e9a7f41532dbfe3904e1c Mon Sep 17 00:00:00 2001
From: Aaron Manning <contact@aaronmanning.net>
Date: Sat, 17 Feb 2024 09:00:51 +1100
Subject: [PATCH] only write spec if changed

---
 src/download.rs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/download.rs b/src/download.rs
index bff2464..a7d72d9 100644
--- a/src/download.rs
+++ b/src/download.rs
@@ -291,28 +291,33 @@ pub (crate) fn update_podcast_from_feed(
                                 );
                             }
                         }
+
+                        // Update the file as we go, but only if a change has occured
+                        spec.write_to(&spec_file)?;
                     },
                     Err(err) => {
                         eprintln!(r#"[error] failed to request episode "{}" with error: "{}". skipping"#, title, err);
                         continue;
                     }
                 }
-
-                spec.write_to(&spec_file)?;
             },
         }
     }
 
+    let mut feed_change = false;
     // Setting episodes which have been removed to no longer be current
     for (_, episodes) in &mut spec.feed {
         for episode in episodes {
             if !current_episodes.contains(episode.id.as_ref()) {
                 episode.current = false;
+                feed_change = true;
             }
         }
     }
 
-    spec.write_to(&spec_file)?;
+    if feed_change {
+        spec.write_to(&spec_file)?;
+    }
 
     Ok(())
 }