func upgradeCommand(args []string) {
fs := flag.NewFlagSet("upgrade", flag.ExitOnError)
force := fs.Bool("force", false, "Perform upgrade to same or older version")
disableAuto := fs.Bool("disable-auto", false, "Disable automatic upgrades")
enableAuto := fs.Bool("enable-auto", false, "Enable automatic upgrades")
fs.Usage = usageFor(fs, msgUpgradeUsage)
fs.Parse(args)
args = fs.Args()
if *disableAuto || *enableAuto {
upgrades := "yes"
if *disableAuto {
upgrades = "no"
}
moleIni.Set("upgrades", "automatic", upgrades)
saveMoleIni()
okf("Automatic upgrades set to %q", upgrades)
return
}
build, err := latestBuild()
fatalErr(err)
bd := time.Unix(int64(build.BuildStamp), 0)
isNewer := bd.Sub(buildDate).Seconds() > 0
if *force || isNewer {
infoln(msgDownloadingUpgrade)
err = upgrade.UpgradeTo(build)
fatalErr(err)
okf(msgUpgraded, build.Version)
} else {
okln(msgLatest)
}
}
func autoUpgrade() {
if moleIni.Get("upgrades", "automatic") == "no" {
debugln("automatic upgrades disabled")
return
}
// Only do the actual upgrade once we've been running for a while
time.Sleep(10 * time.Second)
build, err := latestBuild()
if err == nil {
bd := time.Unix(int64(build.BuildStamp), 0)
if isNewer := bd.Sub(buildDate).Seconds() > 0; isNewer {
err = upgrade.UpgradeTo(build)
if err == nil {
if moleIni.Get("upgrades", "automatic") != "yes" {
infoln(msgAutoUpgrades)
}
okf(msgUpgraded, build.Version)
} else {
warnln("Automatic upgrade failed:", err)
}
}
}
}