feat(updates): add AtomGit update download source

apps/desktop/src/components/editor/EditorSettingsDialog.vue

@@ -996,7 +996,7 @@ function onLocaleChange(v: any) {
 }
 
 function onUpdateDownloadSourceChange(v: any) {
-  if (v === "official" || v === "cnb") editUpdateDownloadSource.value = v;
+  if (v === "official" || v === "cnb" || v === "atomgit") editUpdateDownloadSource.value = v;
 }
 
 function setSidebarObjectDisplay(value: "grouped" | "simple") {
@@ -3659,6 +3659,7 @@ onUnmounted(cleanupPreviewEditor);
                     <SelectContent>
                       <SelectItem value="official">{{ t("settings.updateDownloadSourceOfficial") }}</SelectItem>
                       <SelectItem value="cnb">{{ t("settings.updateDownloadSourceCnb") }}</SelectItem>
+                      <SelectItem value="atomgit">{{ t("settings.updateDownloadSourceAtomgit") }}</SelectItem>
                     </SelectContent>
                   </Select>
                 </div>

apps/desktop/src/composables/useAppUpdater.ts

@@ -16,6 +16,7 @@ export function canDownloadAndInstallUpdate(info: api.UpdateInfo | null, isDeskt
 }
 
 export function normalizeUpdateDownloadSource(value: unknown): SettingsUpdateDownloadSource {
+  if (value === "atomgit") return "atomgit";
   return value === "cnb" ? "cnb" : "official";
 }
 
@@ -29,6 +30,9 @@ export function resolveUpdateReleaseUrl(info: api.UpdateInfo | null, source: unk
   if (normalizedSource === "cnb" && info?.latest_version) {
     return `https://cnb.cool/dbxio.com/dbx/-/releases/tag/${tagVersion(info.latest_version)}`;
   }
+  if (normalizedSource === "atomgit" && info?.latest_version) {
+    return `https://atomgit.com/t8y2/dbx/releases/${tagVersion(info.latest_version)}`;
+  }
   return info?.release_url || fallbackUrl;
 }
 

apps/desktop/src/i18n/locales/en.ts

@@ -2632,9 +2632,10 @@ export default {
     updateNotificationsEnabled: "Enable update reminders",
     updateNotificationsEnabledDescription: "When disabled, DBX will not automatically check app or driver updates or show update badges. Manual checks are still available.",
     updateDownloadSource: "Update download source",
-    updateDownloadSourceDescription: "Choose where in-app update installers are downloaded from. The official source is recommended; CNB can be faster on mainland China networks.",
+    updateDownloadSourceDescription: "Choose where in-app update installers are downloaded from. The official source is recommended; CNB or AtomGit can be faster on mainland China networks.",
     updateDownloadSourceOfficial: "Official source (recommended)",
     updateDownloadSourceCnb: "CNB",
+    updateDownloadSourceAtomgit: "AtomGit",
     debugLoggingEnabled: "Enable debug logs",
     debugLoggingEnabledDescription: "Record more detailed local user-side diagnostic logs while troubleshooting reports. Disabled by default.",
     debugLogsCopy: "Copy logs",

apps/desktop/src/i18n/locales/es.ts

@@ -2635,9 +2635,10 @@ export default withEnglishFallback({
     updateNotificationsEnabled: "Activar recordatorios de actualización",
     updateNotificationsEnabledDescription: "Al desactivarlo, DBX no comprobará automáticamente actualizaciones de la app ni de los controladores, ni mostrará indicadores. Las comprobaciones manuales siguen disponibles.",
     updateDownloadSource: "Origen de descarga de actualizaciones",
-    updateDownloadSourceDescription: "Elige de dónde se descargan los instaladores de actualización. Se recomienda la fuente oficial; CNB puede ser más rápida en redes de China continental.",
+    updateDownloadSourceDescription: "Elige de dónde se descargan los instaladores de actualización. Se recomienda la fuente oficial; CNB o AtomGit pueden ser más rápidos en redes de China continental.",
     updateDownloadSourceOfficial: "Fuente oficial (recomendada)",
     updateDownloadSourceCnb: "CNB",
+    updateDownloadSourceAtomgit: "AtomGit",
     debugLoggingEnabled: "Activar logs de depuración",
     debugLoggingEnabledDescription: "Registra logs de diagnóstico locales del lado del usuario al investigar reportes. Desactivado por defecto.",
     debugLogsCopy: "Copiar logs",

apps/desktop/src/i18n/locales/it.ts

@@ -2633,9 +2633,10 @@ export default withEnglishFallback({
     updateNotificationsEnabled: "Abilita promemoria aggiornamenti",
     updateNotificationsEnabledDescription: "Se disattivato, DBX non controllerà automaticamente gli aggiornamenti dell'app o dei driver e non mostrerà badge. I controlli manuali restano disponibili.",
     updateDownloadSource: "Fonte download aggiornamenti",
-    updateDownloadSourceDescription: "Scegli da dove scaricare gli installer degli aggiornamenti. La fonte ufficiale è consigliata; CNB può essere più veloce sulle reti della Cina continentale.",
+    updateDownloadSourceDescription: "Scegli da dove scaricare gli installer degli aggiornamenti. La fonte ufficiale è consigliata; CNB o AtomGit possono essere più veloci sulle reti della Cina continentale.",
     updateDownloadSourceOfficial: "Fonte ufficiale (consigliata)",
     updateDownloadSourceCnb: "CNB",
+    updateDownloadSourceAtomgit: "AtomGit",
     debugLoggingEnabled: "Abilita log di debug",
     debugLoggingEnabledDescription: "Registra log diagnostici locali lato utente durante l'analisi delle segnalazioni. Disattivato per impostazione predefinita.",
     debugLogsCopy: "Copia log",

apps/desktop/src/i18n/locales/ja.ts

@@ -2906,9 +2906,10 @@ export default withEnglishFallback({
     mcpRefresh: "再確認",
     mcpGuide: "MCPガイド",
     updateDownloadSource: "アップデートのダウンロード元",
-    updateDownloadSourceDescription: "アプリ内アップデートのインストーラーのダウンロード元を選択します。公式ソース推奨。中国本土ではCNBの方が高速な場合があります。",
+    updateDownloadSourceDescription: "アプリ内アップデートのインストーラーのダウンロード元を選択します。公式ソース推奨。中国本土ではCNBまたはAtomGitの方が高速な場合があります。",
     updateDownloadSourceOfficial: "公式ソース（推奨）",
     updateDownloadSourceCnb: "CNB",
+    updateDownloadSourceAtomgit: "AtomGit",
     infiniteScroll: "無限スクロール読み込み",
     infiniteScrollDescription: "テーブルのスクロール時に次のページのデータを自動読み込みします。",
     infiniteScrollMaxRows: "無限スクロールの最大行数",

apps/desktop/src/i18n/locales/pt-BR.ts

@@ -2634,9 +2634,10 @@ export default withEnglishFallback({
     updateNotificationsEnabled: "Ativar lembretes de atualização",
     updateNotificationsEnabledDescription: "Quando desativado, o DBX não verificará automaticamente atualizações do app ou dos drivers nem mostrará indicadores. Verificações manuais continuam disponíveis.",
     updateDownloadSource: "Fonte de download de atualização",
-    updateDownloadSourceDescription: "Escolha de onde os instaladores de atualização no aplicativo são baixados. A fonte oficial é recomendada; a CNB pode ser mais rápida em redes da China continental.",
+    updateDownloadSourceDescription: "Escolha de onde os instaladores de atualização no aplicativo são baixados. A fonte oficial é recomendada; CNB ou AtomGit podem ser mais rápidos em redes da China continental.",
     updateDownloadSourceOfficial: "Fonte oficial (recomendada)",
     updateDownloadSourceCnb: "CNB",
+    updateDownloadSourceAtomgit: "AtomGit",
     debugLoggingEnabled: "Ativar logs de depuração",
     debugLoggingEnabledDescription: "Registra logs locais de diagnóstico do lado do usuário ao investigar relatos. Desativado por padrão.",
     debugLogsCopy: "Copiar logs",

apps/desktop/src/i18n/locales/zh-CN.ts

@@ -2634,9 +2634,10 @@ export default withEnglishFallback({
     updateNotificationsEnabled: "启用更新提醒",
     updateNotificationsEnabledDescription: "关闭后，DBX 不会自动检查应用和驱动更新，也不会显示更新红点；仍可手动检查更新。",
     updateDownloadSource: "更新下载源",
-    updateDownloadSourceDescription: "选择应用内更新安装包的下载来源。官方源为推荐选项，CNB 适合国内网络环境。",
+    updateDownloadSourceDescription: "选择应用内更新安装包的下载来源。官方源为推荐选项，CNB 或 AtomGit 适合国内网络环境。",
     updateDownloadSourceOfficial: "官方源（推荐）",
     updateDownloadSourceCnb: "CNB",
+    updateDownloadSourceAtomgit: "AtomGit",
     debugLoggingEnabled: "启用调试日志",
     debugLoggingEnabledDescription: "开启后在本机记录更详细的用户侧诊断日志，反馈问题时可临时开启；默认关闭。",
     debugLogsCopy: "复制日志",

apps/desktop/src/i18n/locales/zh-TW.ts

@@ -2819,9 +2819,10 @@ export default withEnglishFallback({
     mcpRefresh: "重新檢查",
     mcpGuide: "MCP 指南",
     updateDownloadSource: "更新下載來源",
-    updateDownloadSourceDescription: "選擇應用程式內更新安裝程式的下載來源。建議使用官方來源；CNB 在中國大陸網路環境下可能更快。",
+    updateDownloadSourceDescription: "選擇應用程式內更新安裝程式的下載來源。建議使用官方來源；CNB 或 AtomGit 在中國大陸網路環境下可能更快。",
     updateDownloadSourceOfficial: "官方來源（建議）",
     updateDownloadSourceCnb: "CNB",
+    updateDownloadSourceAtomgit: "AtomGit",
     exportSection: "匯出",
     exportBatchSize: "匯出批次大小",
     exportBatchSizeDescription: "匯出資料時每批次擷取的列數（100-100000）。",

apps/desktop/src/lib/tauri.ts

@@ -1163,7 +1163,7 @@ export interface UpdateInfo {
   release_notes: string;
 }
 
-export type UpdateDownloadSource = "official" | "cnb";
+export type UpdateDownloadSource = "official" | "cnb" | "atomgit";
 
 export interface UpdateDownloadProgress {
   downloaded: number;

apps/desktop/src/stores/__tests__/settingsStore.spec.ts

@@ -45,8 +45,9 @@ describe("normalizeEditorSettings", () => {
     expect(normalizeEditorSettings({ restoreOpenTabsOnLaunch: true } as any).openTabsRestoreMode).toBe("all");
   });
 
-  it("preserves CNB update download source and rejects invalid values", () => {
+  it("preserves mirror update download sources and rejects invalid values", () => {
     expect(normalizeEditorSettings({ updateDownloadSource: "cnb" }).updateDownloadSource).toBe("cnb");
+    expect(normalizeEditorSettings({ updateDownloadSource: "atomgit" }).updateDownloadSource).toBe("atomgit");
     expect(normalizeEditorSettings({ updateDownloadSource: "mirror" as any }).updateDownloadSource).toBe("official");
   });
 });

apps/desktop/src/stores/settingsStore.ts

@@ -59,7 +59,7 @@ export type DesktopIconTheme = "default" | "black";
 
 export type InterfaceLayout = "separated" | "classic";
 
-export type UpdateDownloadSource = "official" | "cnb";
+export type UpdateDownloadSource = "official" | "cnb" | "atomgit";
 export type SqlSemanticDiagnosticsMode = "auto" | "enabled" | "disabled";
 export type OpenTabsRestoreMode = "all" | "pinned" | "none";
 
@@ -533,6 +533,7 @@ function normalizeTableFontSize(value: unknown): number {
 }
 
 function normalizeUpdateDownloadSource(value: unknown): UpdateDownloadSource {
+  if (value === "atomgit") return "atomgit";
   return value === "cnb" ? "cnb" : DEFAULT_EDITOR_SETTINGS.updateDownloadSource;
 }
 

packages/app-tests/appUpdater.test.ts

@@ -34,6 +34,7 @@ test("blocks in-app update installation outside desktop runtime or without an up
 test("normalizes update download source", () => {
   assert.equal(normalizeUpdateDownloadSource("official"), "official");
   assert.equal(normalizeUpdateDownloadSource("cnb"), "cnb");
+  assert.equal(normalizeUpdateDownloadSource("atomgit"), "atomgit");
   assert.equal(normalizeUpdateDownloadSource("unknown"), "official");
 });
 
@@ -45,6 +46,7 @@ test("normalizes release tag versions", () => {
 test("resolves release page URL from update download source", () => {
   const fallbackUrl = "https://github.com/t8y2/dbx/releases/latest";
   assert.equal(resolveUpdateReleaseUrl(updateInfo({ latest_version: "0.5.39" }), "cnb", fallbackUrl), "https://cnb.cool/dbxio.com/dbx/-/releases/tag/v0.5.39");
+  assert.equal(resolveUpdateReleaseUrl(updateInfo({ latest_version: "0.5.44" }), "atomgit", fallbackUrl), "https://atomgit.com/t8y2/dbx/releases/v0.5.44");
   assert.equal(resolveUpdateReleaseUrl(updateInfo({ release_url: "https://github.com/t8y2/dbx/releases/tag/v0.5.39" }), "official", fallbackUrl), "https://github.com/t8y2/dbx/releases/tag/v0.5.39");
   assert.equal(resolveUpdateReleaseUrl(null, "cnb", fallbackUrl), fallbackUrl);
 });

src-tauri/src/commands/update.rs

@@ -14,6 +14,7 @@ const OFFICIAL_UPDATE_ENDPOINTS: [&str; 2] = [
 ];
 const CNB_RELEASE_DOWNLOAD_PREFIX: &str = "https://cnb.cool/dbxio.com/dbx/-/releases/download/";
 const GITHUB_RELEASE_DOWNLOAD_PREFIX: &str = "https://github.com/t8y2/dbx/releases/download/";
+const ATOMGIT_RELEASE_DOWNLOAD_PREFIX: &str = "https://atomgit.com/t8y2/dbx/releases/download/";
 const UPDATE_DOWNLOAD_PROGRESS_EVENT: &str = "update-download-progress";
 
 #[derive(Debug, Deserialize)]
@@ -21,6 +22,7 @@ const UPDATE_DOWNLOAD_PROGRESS_EVENT: &str = "update-download-progress";
 pub enum UpdateDownloadSource {
     Official,
     Cnb,
+    Atomgit,
 }
 
 #[derive(Clone, Debug, Serialize)]
@@ -34,6 +36,7 @@ impl UpdateDownloadSource {
         match self {
             Self::Official => "official",
             Self::Cnb => "cnb",
+            Self::Atomgit => "atomgit",
         }
     }
 
@@ -45,24 +48,36 @@ impl UpdateDownloadSource {
                     latest_version.ok_or_else(|| "Latest version is required for CNB updates.".to_string())?;
                 Ok(vec![format!("{CNB_RELEASE_DOWNLOAD_PREFIX}{}/latest.json", tag_version(version))])
             }
+            Self::Atomgit => {
+                let version =
+                    latest_version.ok_or_else(|| "Latest version is required for AtomGit updates.".to_string())?;
+                Ok(vec![format!("{ATOMGIT_RELEASE_DOWNLOAD_PREFIX}{}/latest.json", tag_version(version))])
+            }
         }
     }
 
     fn rewrite_download_url(&self, url: &str) -> Result<Option<String>, String> {
-        if !matches!(self, Self::Cnb) {
-            return Ok(None);
-        }
+        let Some(target_prefix) = self.mirror_download_prefix() else { return Ok(None) };
 
-        if url.starts_with(CNB_RELEASE_DOWNLOAD_PREFIX) {
+        if url.starts_with(target_prefix) {
             return Ok(None);
         }
 
+        // Mirror latest.json files still contain GitHub asset URLs, so rewrite only that known release prefix.
         let rewritten = url
             .strip_prefix(GITHUB_RELEASE_DOWNLOAD_PREFIX)
-            .map(|path| format!("{CNB_RELEASE_DOWNLOAD_PREFIX}{path}"))
-            .ok_or_else(|| format!("Unsupported update download URL for CNB source: {url}"))?;
+            .map(|path| format!("{target_prefix}{path}"))
+            .ok_or_else(|| format!("Unsupported update download URL for {} source: {url}", self.label()))?;
         Ok(Some(rewritten))
     }
+
+    fn mirror_download_prefix(&self) -> Option<&'static str> {
+        match self {
+            Self::Cnb => Some(CNB_RELEASE_DOWNLOAD_PREFIX),
+            Self::Atomgit => Some(ATOMGIT_RELEASE_DOWNLOAD_PREFIX),
+            Self::Official => None,
+        }
+    }
 }
 
 fn tag_version(version: &str) -> String {
@@ -145,7 +160,10 @@ pub async fn download_and_install_update(
 
 #[cfg(test)]
 mod tests {
-    use super::{tag_version, UpdateDownloadSource, CNB_RELEASE_DOWNLOAD_PREFIX, OFFICIAL_UPDATE_ENDPOINTS};
+    use super::{
+        tag_version, UpdateDownloadSource, ATOMGIT_RELEASE_DOWNLOAD_PREFIX, CNB_RELEASE_DOWNLOAD_PREFIX,
+        OFFICIAL_UPDATE_ENDPOINTS,
+    };
 
     #[test]
     fn normalizes_update_tag_versions() {
@@ -165,6 +183,12 @@ mod tests {
         assert_eq!(endpoints, vec![format!("{CNB_RELEASE_DOWNLOAD_PREFIX}v0.5.39/latest.json")]);
     }
 
+    #[test]
+    fn builds_atomgit_update_endpoint_for_tag() {
+        let endpoints = UpdateDownloadSource::Atomgit.endpoints(Some("0.5.44")).unwrap();
+        assert_eq!(endpoints, vec![format!("{ATOMGIT_RELEASE_DOWNLOAD_PREFIX}v0.5.44/latest.json")]);
+    }
+
     #[test]
     fn rewrites_github_asset_url_to_cnb() {
         let download_url = UpdateDownloadSource::Cnb
@@ -181,4 +205,21 @@ mod tests {
             .unwrap();
         assert_eq!(download_url, None);
     }
+
+    #[test]
+    fn rewrites_github_asset_url_to_atomgit() {
+        let download_url = UpdateDownloadSource::Atomgit
+            .rewrite_download_url("https://github.com/t8y2/dbx/releases/download/v0.5.44/DBX_0.5.44_x64.dmg")
+            .unwrap()
+            .unwrap();
+        assert_eq!(download_url, "https://atomgit.com/t8y2/dbx/releases/download/v0.5.44/DBX_0.5.44_x64.dmg");
+    }
+
+    #[test]
+    fn accepts_existing_atomgit_asset_url() {
+        let download_url = UpdateDownloadSource::Atomgit
+            .rewrite_download_url("https://atomgit.com/t8y2/dbx/releases/download/v0.5.44/DBX_0.5.44_x64.dmg")
+            .unwrap();
+        assert_eq!(download_url, None);
+    }
 }