Fix refresh limit flag default

cmd/cointop.go

@@ -10,6 +10,7 @@ import (
 // Run ...
 func Run() {
 	var v, ver, test, clean, reset, hideMarketbar, hideChart, hideStatusbar, onlyTable bool
+	var refreshRate uint
 	var config, cmcAPIKey, apiChoice, colorscheme string
 	flag.BoolVar(&v, "v", false, "Version")
 	flag.BoolVar(&ver, "version", false, "Display current version")
@@ -20,19 +21,23 @@ func Run() {
 	flag.BoolVar(&hideChart, "hide-chart", false, "Hide the chart view")
 	flag.BoolVar(&hideStatusbar, "hide-statusbar", false, "Hide the bottom statusbar")
 	flag.BoolVar(&onlyTable, "only-table", false, "Show only the table. Hides the chart and top and bottom bars")
-	refreshRateFlag := flag.Int("refresh-rate", -1, "Refresh rate in seconds. Set to 0 to not auto-refresh. Default is 60")
-	flag.StringVar(&config, "config", "", "Config filepath. Default is ~/.cointop/config.toml")
+	flag.UintVar(&refreshRate, "refresh-rate", 60, "Refresh rate in seconds. Set to 0 to not auto-refresh")
+	flag.StringVar(&config, "config", "", "Config filepath. (default ~/.cointop/config.toml)")
 	flag.StringVar(&cmcAPIKey, "coinmarketcap-api-key", "", "Set the CoinMarketCap API key")
-	flag.StringVar(&apiChoice, "api", cointop.CoinGecko, "API choice")
-	flag.StringVar(&colorscheme, "colorscheme", "", "Colorscheme to use. Default is \"cointop\". To install standard themes, do:\n\ngit clone git@github.com:cointop-sh/colors.git ~/.cointop/colors\n\nFor additional instructions, visit: https://github.com/cointop-sh/colors")
+	flag.StringVar(&apiChoice, "api", cointop.CoinGecko, "API choice. Available choices are \"coinmarketcap\" and \"coingecko\"")
+	flag.StringVar(&colorscheme, "colorscheme", "", "Colorscheme to use (defualt \"cointop\"). To install standard themes, do:\n\ngit clone git@github.com:cointop-sh/colors.git ~/.cointop/colors\n\nFor additional instructions, visit: https://github.com/cointop-sh/colors")
 	flag.Parse()
 
-	var refreshRate *uint
-	if refreshRateFlag != nil {
-		if *refreshRateFlag > -1 {
-			t := uint(*refreshRateFlag)
-			refreshRate = &t
+	refreshRateFlagFound := false
+	var refreshRateP *uint
+	flag.Visit(func(f *flag.Flag) {
+		if f.Name == "refresh-rate" {
+			refreshRateFlagFound = true
 		}
+	})
+
+	if refreshRateFlagFound {
+		refreshRateP = &refreshRate
 	}
 
 	if v || ver {
@@ -53,7 +58,7 @@ func Run() {
 			HideChart:           hideChart,
 			HideStatusbar:       hideStatusbar,
 			OnlyTable:           onlyTable,
-			RefreshRate:         refreshRate,
+			RefreshRate:         refreshRateP,
 		}).Run()
 	}
 }