func configureTargets() io.Writer {
if viper.IsSet("log.targets") {
var (
writers []io.Writer
logTargets []logTarget
)
if err := mapstructure.Decode(viper.Get("log.targets"), &logTargets); err != nil {
panic(fmt.Errorf("Failed to process log targets: %s", err))
}
for _, target := range logTargets {
switch target.Type {
case "os":
if target.Target == "stdout" {
writers = append(writers, output.Stdout())
} else if target.Target == "stderr" {
writers = append(writers, output.Stderr())
}
case "file":
file, err := os.OpenFile(target.Target, os.O_APPEND|os.O_WRONLY, os.ModeAppend)
if err != nil {
if os.IsNotExist(err) {
file, err = os.Create(target.Target)
if err != nil {
panic(fmt.Errorf("Failed creating a file log target: %s", err))
}
} else {
panic(err)
}
}
writers = append(writers, file)
}
}
return io.MultiWriter(writers...)
}
return output.Stdout()
}
package cli
import (
"github.com/bbuck/dragon-mud/info"
"github.com/bbuck/dragon-mud/output"
"github.com/spf13/cobra"
)
var versionCmd = &cobra.Command{
Use: "version",
Short: "Display the version of the DragonMUD server",
Run: func(cmd *cobra.Command, args []string) {
output.Stdout().PlainPrintln(info.Version)
},
}
func init() {
RootCmd.AddCommand(versionCmd)
}