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// Copyright (C) 2026 Max Boksem. See NOTICE for additional terms under GPLv3 section 7.
import { useEffect, useState, useCallback, useRef } from "react";
import { check, type Update } from "@tauri-apps/plugin-updater";
import { relaunch } from "@tauri-apps/plugin-process";
import { listen } from "@tauri-apps/api/event";
import { getInstallInfo, packageUpdate } from "@/lib/tauri";
import { isMobilePlatform } from "@/lib/platform";
export interface UpdateState {
update: Update | null;
checking: boolean;
installing: boolean;
progress: number | null;
error: string | null;
/** Why the last update check failed, or null when it succeeded */
checkError: string | null;
/** true when using package manager update (deb/rpm) instead of Tauri updater */
packageInstall: boolean;
/** false on iOS and Android, where the app store updates the app */
supported: boolean;
dismiss: () => void;
install: () => Promise<void>;
checkForUpdates: () => Promise<Update | null>;
}
export const useUpdateChecker = (): UpdateState => {
const [update, setUpdate] = useState<Update | null>(null);
const [checking, setChecking] = useState(false);
const [installing, setInstalling] = useState(false);
const [progress, setProgress] = useState<number | null>(null);
const [error, setError] = useState<string | null>(null);
const [checkError, setCheckError] = useState<string | null>(null);
const [packageInstall, setPackageInstall] = useState(false);
const [supported] = useState(() => !isMobilePlatform());
// Cache install info so we only call it once
const installInfoRef = useRef<{ installType: string; releaseUrl: string } | null>(null);
// Share a single in-flight promise so concurrent callers (mount + splash)
// all wait for the same check() call instead of one getting null.
const inflightRef = useRef<Promise<Update | null> | null>(null);
const checkForUpdates = useCallback((): Promise<Update | null> => {
if (!supported) return Promise.resolve(null);
if (inflightRef.current) return inflightRef.current;
const promise = (async () => {
setChecking(true);
setError(null);
setCheckError(null);
try {
// Fetch install info once
if (!installInfoRef.current) {
installInfoRef.current = await getInstallInfo();
}
const result = (await check({ timeout: 5_000 })) ?? null;
setUpdate(result);
const type = installInfoRef.current.installType;
setPackageInstall(type === "deb" || type === "rpm");
return result;
} catch (err) {
const msg = err instanceof Error ? err.message : String(err);
console.warn("[updater] check error:", msg);
setCheckError(msg);
return null;
} finally {
setChecking(false);
inflightRef.current = null;
}
})();
inflightRef.current = promise;
return promise;
}, [supported]);
// Check on mount
useEffect(() => {
checkForUpdates();
}, [checkForUpdates]);
// Re-check every 2 hours
useEffect(() => {
if (!supported) return;
const id = setInterval(
() => {
checkForUpdates();
},
2 * 60 * 60 * 1000
);
return () => clearInterval(id);
}, [checkForUpdates, supported]);
const dismiss = useCallback(() => {
setUpdate(null);
setPackageInstall(false);
}, []);
const install = useCallback(async () => {
if (!update) return;
setInstalling(true);
setProgress(0);
setError(null);
try {
if (packageInstall) {
// deb/rpm: use our custom package update command
const unlisten = await listen<{ percent: number }>(
"package-update://progress",
(event) => setProgress(event.payload.percent)
);
try {
await packageUpdate();
} finally {
unlisten();
}
} else {
// AppImage/macOS/Windows: use Tauri's built-in updater
let downloaded = 0;
let total: number | undefined;
await update.downloadAndInstall((event) => {
if (event.event === "Started") {
total = event.data.contentLength ?? undefined;
} else Eif (event.event === "Progress") {
downloaded += event.data.chunkLength;
Eif (total) {
setProgress(Math.min(100, Math.round((downloaded / total) * 100)));
}
}
});
}
await relaunch();
} catch (err) {
const msg = err instanceof Error ? err.message : String(err);
console.error("[updater] install failed:", msg);
setError(`Update failed: ${msg}`);
setInstalling(false);
setProgress(null);
}
}, [update, packageInstall]);
return {
update,
checking,
installing,
progress,
error,
checkError,
packageInstall,
supported,
dismiss,
install,
checkForUpdates,
};
};
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