refactor: clean-up of some unused options after the template rework

.env.example

@@ -7,9 +7,6 @@ BOOK_DATA_DIR=./data
 # Site title shown in nav and page title.
 BOOK_SITE_TITLE=guestbook
 
-# Base URL of the main site (for absolute nav links).
-BOOK_SITE_URL=https://example.com
-
 # Telegram bot token.
 BOOK_TELEGRAM_BOT_TOKEN=your-bot-token-here
 

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2026 Llywelwyn
+Copyright (c) 2026 Lewis Wynne
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

module.nix

@@ -30,11 +30,6 @@ in
       description = "Site title shown in nav and page title.";
     };
 
-    siteUrl = mkOption {
-      type = types.str;
-      description = "Base URL of the main site (for absolute nav links).";
-    };
-
     telegramChatId = mkOption {
       type = types.int;
       description = "Telegram chat ID for moderation messages.";
@@ -174,7 +169,7 @@ in
           BOOK_PORT = toString cfg.port;
           BOOK_DATA_DIR = cfg.dataDir;
           BOOK_SITE_TITLE = cfg.siteTitle;
-          BOOK_SITE_URL = cfg.siteUrl;
+
           BOOK_TELEGRAM_CHAT_ID = toString cfg.telegramChatId;
           BOOK_HONEYPOT = if cfg.honeypot then "true" else "false";
           BOOK_MAX_NAME_LENGTH = toString cfg.maxNameLength;

src/config.rs

@@ -6,7 +6,7 @@ pub struct Config {
     pub port: u16,
     pub data_dir: PathBuf,
     pub site_title: String,
-    pub site_url: String,
+
     pub telegram_bot_token: String,
     pub telegram_chat_id: i64,
     pub honeypot: bool,
@@ -41,7 +41,7 @@ impl Config {
                 .map(PathBuf::from)
                 .unwrap_or_else(|_| PathBuf::from("./data")),
             site_title: env::var("BOOK_SITE_TITLE").unwrap_or_else(|_| "guestbook".into()),
-            site_url: env::var("BOOK_SITE_URL").map_err(|_| "BOOK_SITE_URL is required")?,
+
             telegram_bot_token: env::var("BOOK_TELEGRAM_BOT_TOKEN")
                 .map_err(|_| "BOOK_TELEGRAM_BOT_TOKEN is required")?,
             telegram_chat_id: env::var("BOOK_TELEGRAM_CHAT_ID")
@@ -115,7 +115,6 @@ mod tests {
         env::set_var("BOOK_PORT", "9999");
         env::set_var("BOOK_DATA_DIR", "/tmp/gb");
         env::set_var("BOOK_SITE_TITLE", "test.rs");
-        env::set_var("BOOK_SITE_URL", "https://test.rs");
         env::set_var("BOOK_TELEGRAM_BOT_TOKEN", "123:ABC");
         env::set_var("BOOK_TELEGRAM_CHAT_ID", "12345");
 
@@ -124,14 +123,12 @@ mod tests {
         assert_eq!(config.listen_addr(), "127.0.0.1:9999");
         assert_eq!(config.data_dir, PathBuf::from("/tmp/gb"));
         assert_eq!(config.site_title, "test.rs");
-        assert_eq!(config.site_url, "https://test.rs");
         assert_eq!(config.telegram_chat_id, 12345);
 
         // Clean up
         env::remove_var("BOOK_PORT");
         env::remove_var("BOOK_DATA_DIR");
         env::remove_var("BOOK_SITE_TITLE");
-        env::remove_var("BOOK_SITE_URL");
         env::remove_var("BOOK_TELEGRAM_BOT_TOKEN");
         env::remove_var("BOOK_TELEGRAM_CHAT_ID");
     }
@@ -139,7 +136,6 @@ mod tests {
     #[test]
     fn test_defaults() {
         let _lock = ENV_LOCK.lock().unwrap();
-        env::set_var("BOOK_SITE_URL", "https://test.rs");
         env::set_var("BOOK_TELEGRAM_BOT_TOKEN", "123:ABC");
         env::set_var("BOOK_TELEGRAM_CHAT_ID", "12345");
 
@@ -148,7 +144,6 @@ mod tests {
         assert_eq!(config.data_dir, PathBuf::from("./data"));
         assert_eq!(config.site_title, "guestbook");
 
-        env::remove_var("BOOK_SITE_URL");
         env::remove_var("BOOK_TELEGRAM_BOT_TOKEN");
         env::remove_var("BOOK_TELEGRAM_CHAT_ID");
     }
@@ -156,7 +151,6 @@ mod tests {
     #[test]
     fn test_missing_required() {
         let _lock = ENV_LOCK.lock().unwrap();
-        env::remove_var("BOOK_SITE_URL");
         env::remove_var("BOOK_TELEGRAM_BOT_TOKEN");
         env::remove_var("BOOK_TELEGRAM_CHAT_ID");
 

src/render.rs

@@ -81,7 +81,7 @@ mod tests {
             port: 0,
             data_dir: PathBuf::from("./data"),
             site_title: "test".into(),
-            site_url: "https://test.rs".into(),
+
             telegram_bot_token: "fake".into(),
             telegram_chat_id: 0,
             honeypot: true,

src/web.rs

@@ -129,7 +129,7 @@ mod tests {
             port: 0,
             data_dir: dir.to_path_buf(),
             site_title: "test".into(),
-            site_url: "https://test.rs".into(),
+
             telegram_bot_token: "fake".into(),
             telegram_chat_id: 0,
             honeypot: true,