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Exit codes for -upgrade and -upgrade-check (fixes #194)

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Jakob Borg
2014-07-31 10:26:45 +02:00
parent 86b3ff3099
commit 7b8c126aa1
3 changed files with 41 additions and 9 deletions
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26
cmd/syncthing/main.go
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@@ -131,10 +131,12 @@ func main() {
var reset bool
var showVersion bool
var doUpgrade bool
var doUpgradeCheck bool
flag.StringVar(&confDir, "home", getDefaultConfDir(), "Set configuration directory")
flag.BoolVar(&reset, "reset", false, "Prepare to resync from cluster")
flag.BoolVar(&showVersion, "version", false, "Show version")
flag.BoolVar(&doUpgrade, "upgrade", false, "Perform upgrade")
flag.BoolVar(&doUpgradeCheck, "upgrade-check", false, "Check for available upgrade")
flag.IntVar(&logFlags, "logflags", logFlags, "Set log flags")
flag.Usage = usageFor(flag.CommandLine, usage, extraUsage)
flag.Parse()
@@ -148,12 +150,34 @@ func main() {
if doUpgrade {
err := upgrade()
if err == errVersionUpToDate {
os.Exit(2)
}
if err != nil {
l.Fatalln(err)
l.Fatalln(err) // exits 1
}
return
}
if doUpgradeCheck {
rel, err := currentRelease()
if err != nil {
log.Fatalln(err) // exits 1
}
switch compareVersions(rel.Tag, Version) {
case -1:
l.Okf("Current version %s is newer than latest release %s.", Version, rel.Tag)
os.Exit(2)
case 0:
l.Okf("Already running the latest version, %s. Not upgrading.", Version)
os.Exit(2)
default:
l.Infof("An upgrade to %s is available.", rel.Tag)
os.Exit(0)
}
}
if len(os.Getenv("GOGC")) == 0 {
debug.SetGCPercent(25)
}