You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tailscale/ipn/ipnlocal/autoupdate.go

66 lines
1.5 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
//go:build linux || windows
package ipnlocal
import (
"context"
"time"
"tailscale.com/clientupdate"
"tailscale.com/ipn"
"tailscale.com/version"
)
func (b *LocalBackend) stopOfflineAutoUpdate() {
if b.offlineAutoUpdateCancel != nil {
b.logf("offline auto-update: stopping update checks")
b.offlineAutoUpdateCancel()
b.offlineAutoUpdateCancel = nil
}
}
func (b *LocalBackend) maybeStartOfflineAutoUpdate(prefs ipn.PrefsView) {
if !prefs.AutoUpdate().Apply.EqualBool(true) {
return
}
// AutoUpdate.Apply field in prefs can only be true for platforms that
// support auto-updates. But check it here again, just in case.
if !clientupdate.CanAutoUpdate() {
return
}
// On macsys, auto-updates are managed by Sparkle.
if version.IsMacSysExt() {
return
}
if b.offlineAutoUpdateCancel != nil {
// Already running.
return
}
ctx, cancel := context.WithCancel(context.Background())
b.offlineAutoUpdateCancel = cancel
b.logf("offline auto-update: starting update checks")
go b.offlineAutoUpdate(ctx)
}
const offlineAutoUpdateCheckPeriod = time.Hour
func (b *LocalBackend) offlineAutoUpdate(ctx context.Context) {
t := time.NewTicker(offlineAutoUpdateCheckPeriod)
defer t.Stop()
for {
select {
case <-ctx.Done():
return
case <-t.C:
}
if err := b.startAutoUpdate("offline auto-update"); err != nil {
b.logf("offline auto-update: failed: %v", err)
}
}
}