main::update(): Update repository description on fetch update

If the repository was updated, write the description into the
`description` file.

Add a `github::Repo.description()` method to get an empty string if the
description is `None`. This facilitates writing to the `description`
file.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/github.rs b/src/github.rs
index 0b20abd..b937f9b 100644
--- a/src/github.rs
+++ b/src/github.rs
@@ -31,6 +31,15 @@ pub struct Repo {
     pub updated_at: String,  // TODO: Maybe parse to date?
 }
 
+impl Repo {
+    /// Get the repository description or an empty string if `None`.
+    pub fn description(&self) -> &str {
+        self.description
+            .as_deref()
+            .unwrap_or("")
+    }
+}
+
 
 pub fn fetch_repos() -> Result<Vec<Repo>, Error> {
     let mut headers = reqwest::header::HeaderMap::new();