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package config
// this is an experiment at this point to
// see how this turns out
import (
"errors"
"fmt"
"os"
"path/filepath"
)
var configPB *Configs
// these are normally what are sent from ldflags
var APPNAME string
var BUILDTIME string
var VERSION string
var argv []string
func Init(appname, version, buildtime string, fromargv []string) error {
APPNAME = appname
VERSION = version
BUILDTIME = buildtime
argv = fromargv
configDir, err := os.UserConfigDir()
if err != nil {
fmt.Println("OS isn't returning UserConfigDir()", err)
return err
}
fullname := filepath.Join(configDir, appname, "config.text")
configPB = NewConfigs()
err = loadTEXT(configPB, fullname)
if err == nil {
return nil
}
if errors.Is(err, os.ErrNotExist) {
// file doesn't exist, make a new file
return makeNewConfigFile(appname)
}
if errors.Is(err, ErrEmpty) {
fmt.Printf("config file size was empty. out of diskspace? %s\n", fullname)
return err
}
fmt.Println("config.Init()", err)
// panic("config")
return err
}
func makeNewConfigFile(appname string) error {
configDir, err := os.UserConfigDir()
if err != nil {
fmt.Println("OS isn't returning UserConfigDir()", err)
return err
}
fullname := filepath.Join(configDir, appname, "config.text")
configPB = NewConfigs()
configPB.Filename = fullname
newvar := new(Config)
newvar.Key = "example config var"
newvar.Value = "protobufs are neat"
configPB.Clone(newvar)
newvar.Key = "Verbose"
newvar.Value = "true"
configPB.Clone(newvar)
// writes the config file to disk
err = Save()
return err
}
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