added example config and cli args

.gitignore

@@ -0,0 +1,2 @@
+mcd
+*.swp

cmd/root.go

@@ -22,6 +22,7 @@ import (
 	"git.jmbit.de/jmb/mcd/internal/config"
 	"git.jmbit.de/jmb/mcd/internal/service"
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 )
 
 var cfgFile string
@@ -30,12 +31,7 @@ var cfgFile string
 var rootCmd = &cobra.Command{
 	Use:   "mcd",
 	Short: "Systemd-Compatible wrapper for Minecraft Server",
-	Long: `A longer description that spans multiple lines and likely contains
+	Long: `mcd wraps a minecraft server in a way that makes it work better as a systemd service`,
-examples and usage of using your application. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
 	// Uncomment the following line if your bare application
 	// has an action associated with it:
 	Run: func(cmd *cobra.Command, args []string) {
@@ -59,9 +55,14 @@ func init() {
 	// Cobra supports persistent flags, which, if defined here,
 	// will be global for your application.
 
-	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.mcd.yaml)")
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is ./mcd.toml)")
 
-	// Cobra also supports local flags, which will only run
+	rootCmd.PersistentFlags().StringP("java", "J", "/usr/bin/java", "Path to java executable")
-	// when this action is called directly.
+	rootCmd.PersistentFlags().StringSliceP("java-args", "A", []string{"-Xms2G", "-Xmx3G"}, "Java args, default is -Xms2G,Xmx3G")
+	rootCmd.PersistentFlags().StringP("jar", "j", "./server.jar", "Path to minecraft server jar")
+
+	viper.BindPFlag("java.path", rootCmd.Flags().Lookup("java"))
+	viper.BindPFlag("java.args", rootCmd.Flags().Lookup("java-args"))
+	viper.BindPFlag("server.jar", rootCmd.Flags().Lookup("jar"))
 }
 

mcd.toml

@@ -0,0 +1,5 @@
+[java]
+path = "/usr/bin/java"
+args = ["-Xms2G", "-Xmx3G"]
+[server]
+jar = "./server.jar"