add ending slash, reorganize conditions

src/line/link.rs

@@ -32,22 +32,18 @@ impl Link {
         // Relative scheme patch
         // https://datatracker.ietf.org/doc/html/rfc3986#section-4.2
         if let Some(p) = unresolved_address.strip_prefix("//") {
+            let b = base?;
             let postfix = p.trim_start_matches(":");
-            match base {
-                Some(b) => {
             unresolved_address = format!(
                 "{}://{}",
                 b.scheme(),
                 if postfix.is_empty() {
-                            b.host()?
+                    format!("{}/", b.host()?)
                 } else {
                     postfix.into()
                 }
             )
         }
-                None => return None,
-            }
-        }
         // Convert address to the valid URI
         let uri = match base {
             // Base conversion requested

tests/integration.rs

@@ -227,7 +227,7 @@ fn gemtext() {
 
                 assert_eq!(item.alt, None);
                 assert_eq!(item.timestamp, None);
-                assert_eq!(item.uri.to_str(), "gemini://geminiprotocol.net");
+                assert_eq!(item.uri.to_str(), "gemini://geminiprotocol.net/");
             } // #8
 
             // Validate lists