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cmd/syncthing: Set flag defaults through kong vars (#7431)

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Simon Frei 2021-03-05 08:06:54 +01:00 committed by GitHub
parent 767e1c6f58
commit 4735575e8d
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1 changed files with 16 additions and 14 deletions
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30
cmd/syncthing/main.go
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@ -151,10 +151,10 @@ type serveOptions struct {
GUIAPIKey string `name:"gui-apikey" placeholder:"API-KEY" help:"Override GUI API key"`
HideConsole bool `help:"Hide console window (Windows only)"`
HomeDir string `name:"home" placeholder:"PATH" help:"Set configuration and data directory"`
LogFile string `name:"logfile" placeholder:"PATH" help:"Log file name (see below)"`
LogFlags int `name:"logflags" placeholder:"BITS" help:"Select information in log line prefix (see below)"`
LogMaxFiles int `placeholder:"N" name:"log-max-old-files" help:"Number of old files to keep (zero to keep only current)"`
LogMaxSize int `placeholder:"BYTES" help:"Maximum size of any file (zero to disable log rotation)"`
LogFile string `name:"logfile" default:"${logFile}" placeholder:"PATH" help:"Log file name (see below)"`
LogFlags int `name:"logflags" default:"${logFlags}" placeholder:"BITS" help:"Select information in log line prefix (see below)"`
LogMaxFiles int `placeholder:"N" default:"${logMaxFiles}" name:"log-max-old-files" help:"Number of old files to keep (zero to keep only current)"`
LogMaxSize int `placeholder:"BYTES" default:"${logMaxSize}" help:"Maximum size of any file (zero to disable log rotation)"`
NoBrowser bool `help:"Do not start browser"`
NoRestart bool `env:"STNORESTART" help:"Do not restart Syncthing when exiting due to API/GUI command, upgrade, or crash"`
NoDefaultFolder bool `env:"STNODEFAULTFOLDER" help:"Don't create the \"default\" folder on first startup"`
@ -186,13 +186,15 @@ type serveOptions struct {
InternalInnerProcess bool `env:"STMONITORED" hidden:"1"`
}
func (options *serveOptions) setDefaults() {
options.LogFlags = log.Ltime
options.LogMaxSize = 10 << 20 // 10 MiB
options.LogMaxFiles = 3 // plus the current one
func defaultVars() kong.Vars {
vars := kong.Vars{}
vars["logFlags"] = strconv.Itoa(log.Ltime)
vars["logMaxSize"] = strconv.Itoa(10 << 20) // 10 MiB
vars["logMaxFiles"] = "3" // plus the current one
if os.Getenv("STTRACE") != "" {
options.LogFlags = logger.DebugFlags
vars["logFlags"] = strconv.Itoa(logger.DebugFlags)
}
// On non-Windows, we explicitly default to "-" which means stdout. On
@ -200,10 +202,12 @@ func (options *serveOptions) setDefaults() {
// default path, unless the user has manually specified "-" or
// something else.
if runtime.GOOS == "windows" {
options.LogFile = "default"
vars["logFile"] = "default"
} else {
options.LogFile = "-"
vars["logFile"] = "-"
}
return vars
}
func main() {
@ -230,11 +234,9 @@ func main() {
args = append([]string{"serve"}, convertLegacyArgs(args)...)
}
entrypoint.Serve.setDefaults()
// Create a parser with an overridden help function to print our extra
// help info.
parser, err := kong.New(&entrypoint, kong.Help(helpHandler))
parser, err := kong.New(&entrypoint, kong.Help(helpHandler), defaultVars())
if err != nil {
log.Fatal(err)
}