Add source URL tracking and display for AppImages

src/core/database.rs

@@ -1744,6 +1744,16 @@ impl Database {
         Ok(self.conn.last_insert_rowid())
     }
 
+    // --- Source URL ---
+
+    pub fn set_source_url(&self, id: i64, url: Option<&str>) -> SqlResult<()> {
+        self.conn.execute(
+            "UPDATE appimages SET source_url = ?2 WHERE id = ?1",
+            params![id, url],
+        )?;
+        Ok(())
+    }
+
     // --- Version rollback ---
 
     pub fn set_previous_version(&self, id: i64, path: Option<&str>) -> SqlResult<()> {

src/core/updater.rs

@@ -62,6 +62,29 @@ pub struct UpdateCheckResult {
     pub file_size: Option<u64>,
 }
 
+/// Detect the source URL for an AppImage from its update_info string.
+pub fn detect_source_url(update_info: Option<&str>) -> Option<String> {
+    let info = update_info?;
+    let parts: Vec<&str> = info.split('|').collect();
+    if info.starts_with("gh-releases-zsync|") && parts.len() >= 3 {
+        return Some(format!("https://github.com/{}/{}", parts[1], parts[2]));
+    }
+    if info.starts_with("gl-releases-zsync|") && parts.len() >= 4 {
+        return Some(format!("https://{}/{}/{}", parts[1], parts[2], parts[3]));
+    }
+    if info.starts_with("zsync|") {
+        if let Some(url_part) = parts.get(1) {
+            // Extract the base URL (up to the hostname)
+            if let Some(idx) = url_part.find("://") {
+                if let Some(slash) = url_part[idx + 3..].find('/') {
+                    return Some(url_part[..idx + 3 + slash].to_string());
+                }
+            }
+        }
+    }
+    None
+}
+
 /// Parse the raw update info string from an AppImage's ELF section.
 pub fn parse_update_info(raw: &str) -> Option<UpdateType> {
     let raw = raw.trim().trim_matches('\0');

src/ui/detail_view.rs

@@ -517,11 +517,14 @@ fn build_overview_tab(record: &AppImageRecord, db: &Rc<Database>) -> gtk::Box {
     // -----------------------------------------------------------------------
     // Links section
     // -----------------------------------------------------------------------
+    // Use source_url as fallback for vcs_url (auto-detected from update_info)
+    let source_code_url = record.vcs_url.clone().or_else(|| record.source_url.clone());
+
     let has_links = record.homepage_url.is_some()
         || record.bugtracker_url.is_some()
         || record.donation_url.is_some()
         || record.help_url.is_some()
-        || record.vcs_url.is_some();
+        || source_code_url.is_some();
 
     if has_links {
         let links_group = adw::PreferencesGroup::builder()
@@ -531,7 +534,7 @@ fn build_overview_tab(record: &AppImageRecord, db: &Rc<Database>) -> gtk::Box {
         let link_entries: &[(&str, &str, &Option<String>)] = &[
             ("Homepage", "web-browser-symbolic", &record.homepage_url),
             ("Report a problem", "bug-symbolic", &record.bugtracker_url),
-            ("Source code", "code-symbolic", &record.vcs_url),
+            ("Source code", "code-symbolic", &source_code_url),
             ("Documentation", "help-browser-symbolic", &record.help_url),
             ("Donate", "emblem-favorite-symbolic", &record.donation_url),
         ];

src/window.rs

@@ -660,6 +660,9 @@ impl DriftwoodWindow {
                             );
                             if raw_info.is_some() {
                                 bg_db.update_update_info(record_id, raw_info.as_deref(), None).ok();
+                                if let Some(source) = updater::detect_source_url(raw_info.as_deref()) {
+                                    bg_db.set_source_url(record_id, Some(&source)).ok();
+                                }
                             }
                             if let Some(result) = check_result {
                                 if result.update_available {