Add error handling and timeout to system operations

src/client/api.ts

@@ -14,15 +14,15 @@ export const unshareApp = (name: string) =>
   fetch(`/api/apps/${name}/tunnel`, { method: 'DELETE' })
 
 export const applyUpdate = () =>
-  fetch('/api/system/update', { method: 'POST' }).then(r => r.json())
+  fetch('/api/system/update', { method: 'POST' }).then(r => { if (!r.ok) throw new Error('update failed'); return r.json() })
 
 export const checkForUpdate = (): Promise<{ available: boolean, current: string, latest: string, commits: string[] }> =>
-  fetch('/api/system/update').then(r => r.json())
+  fetch('/api/system/update').then(r => { if (!r.ok) throw new Error('check failed'); return r.json() })
 
 export const restartApp = (name: string) => fetch(`/api/apps/${name}/restart`, { method: 'POST' })
 
 export const restartServer = () =>
-  fetch('/api/system/restart', { method: 'POST' }).then(r => r.json())
+  fetch('/api/system/restart', { method: 'POST' }).then(r => { if (!r.ok) throw new Error('restart failed'); return r.json() })
 
 export const startApp = (name: string) => fetch(`/api/apps/${name}/start`, { method: 'POST' })
 

src/client/components/SettingsPage.tsx

@@ -19,8 +19,15 @@ import {
 
 type UpdateInfo = { available: boolean, current: string, latest: string, commits: string[] }
 
-function pollUntilBack(onBack: () => void) {
+function pollUntilBack(onBack: () => void, onTimeout?: () => void) {
+  let elapsed = 0
   const poll = setInterval(async () => {
+    elapsed += 2000
+    if (elapsed > 60000) {
+      clearInterval(poll)
+      onTimeout?.()
+      return
+    }
     try {
       const res = await fetch('/api/system/info')
       if (res.ok) {
@@ -62,17 +69,21 @@ export function SettingsPage({ render }: { render: () => void }) {
     setTheme()
   }
 
+  const refreshSystemInfo = () => {
+    getSystemInfo().then(info => {
+      setVersion(info.version)
+      setSha(info.sha)
+    })
+  }
+
   const handleRestart = () => {
     if (!confirm('Are you sure you want to restart the server?')) return
     setRestarting(true)
     restartServer().catch(() => {})
-    pollUntilBack(() => {
+    pollUntilBack(
-      setRestarting(false)
+      () => { setRestarting(false); refreshSystemInfo() },
-      getSystemInfo().then(info => {
+      () => { setRestarting(false) },
-        setVersion(info.version)
+    )
-        setSha(info.sha)
-      })
-    })
   }
 
   const handleCheckUpdate = async () => {
@@ -91,15 +102,13 @@ export function SettingsPage({ render }: { render: () => void }) {
     setUpdating(true)
     try {
       await applyUpdate()
-    } catch {}
+      pollUntilBack(
-    pollUntilBack(() => {
+        () => { setUpdating(false); refreshSystemInfo(); setUpdateInfo(null) },
+        () => { setUpdating(false) },
+      )
+    } catch {
       setUpdating(false)
-      getSystemInfo().then(info => {
+    }
-        setVersion(info.version)
-        setSha(info.sha)
-      })
-      setUpdateInfo(null)
-    })
   }
 
   return (

src/server/api/system.ts

@@ -186,8 +186,10 @@ router.sse('/metrics/stream', (send) => {
 })
 
 // System info
-const pkg = JSON.parse(readFileSync(join(import.meta.dir, '../../../package.json'), 'utf-8'))
+const projectRoot = join(import.meta.dir, '../../..')
-const sha = Bun.spawnSync(['git', 'rev-parse', '--short', 'HEAD'], { cwd: join(import.meta.dir, '../../..') }).stdout.toString().trim() || 'unknown'
+const pkg = JSON.parse(readFileSync(join(projectRoot, 'package.json'), 'utf-8'))
+const sha = Bun.spawnSync(['git', 'rev-parse', '--short', 'HEAD'], { cwd: projectRoot }).stdout.toString().trim() || 'unknown'
+let isUpdating = false
 
 router.get('/info', c => {
   return c.json({ version: pkg.version, sha })
@@ -274,16 +276,15 @@ router.post('/restart', c => {
 
 // Check for updates
 router.get('/update', async c => {
-  const cwd = join(import.meta.dir, '../../..')
   try {
-    const fetch = Bun.spawnSync(['git', 'fetch', 'origin', 'main'], { cwd })
+    const gitFetch = await Bun.spawn(['git', 'fetch', 'origin', 'main'], { cwd: projectRoot }).exited
-    if (fetch.exitCode !== 0) return c.json({ available: false })
+    if (gitFetch !== 0) return c.json({ available: false })
 
-    const log = Bun.spawnSync(['git', 'log', 'HEAD..origin/main', '--oneline'], { cwd })
+    const log = Bun.spawnSync(['git', 'log', 'HEAD..origin/main', '--oneline'], { cwd: projectRoot })
     const output = log.stdout.toString().trim()
     const commits = output ? output.split('\n') : []
 
-    const latest = Bun.spawnSync(['git', 'rev-parse', '--short', 'origin/main'], { cwd })
+    const latest = Bun.spawnSync(['git', 'rev-parse', '--short', 'origin/main'], { cwd: projectRoot })
       .stdout.toString().trim()
 
     return c.json({
@@ -299,21 +300,24 @@ router.get('/update', async c => {
 
 // Apply update and restart
 router.post('/update', async c => {
-  const cwd = join(import.meta.dir, '../../..')
+  if (isUpdating) return c.json({ ok: false, error: 'update already in progress' }, 409)
+  isUpdating = true
   try {
-    const pull = Bun.spawnSync(['git', 'pull', 'origin', 'main'], { cwd })
+    const pull = await Bun.spawn(['git', 'pull', 'origin', 'main'], { cwd: projectRoot }).exited
-    if (pull.exitCode !== 0) return c.json({ ok: false, error: 'git pull failed' }, 500)
+    if (pull !== 0) return c.json({ ok: false, error: 'git pull failed' }, 500)
 
-    const install = Bun.spawnSync(['bun', 'install'], { cwd })
+    const install = await Bun.spawn(['bun', 'install'], { cwd: projectRoot }).exited
-    if (install.exitCode !== 0) return c.json({ ok: false, error: 'bun install failed' }, 500)
+    if (install !== 0) return c.json({ ok: false, error: 'bun install failed' }, 500)
 
-    const build = Bun.spawnSync(['bun', 'run', 'build'], { cwd })
+    const build = await Bun.spawn(['bun', 'run', 'build'], { cwd: projectRoot }).exited
-    if (build.exitCode !== 0) return c.json({ ok: false, error: 'build failed' }, 500)
+    if (build !== 0) return c.json({ ok: false, error: 'build failed' }, 500)
 
     setTimeout(() => process.exit(0), 100)
     return c.json({ ok: true })
   } catch {
     return c.json({ ok: false, error: 'update failed' }, 500)
+  } finally {
+    isUpdating = false
   }
 })