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package config
import (
"errors"
"os"
"os/user"
"path/filepath"
"strings"
"go.wit.com/log"
)
// loads your applications config file from
// ~/.config/<appname>/config.text
func (pb *Config) Load() error {
filename, err := getConfigFilenameTEXT()
if err != nil {
return err
}
_, err = SetFilename(pb, filename)
if err != nil {
return err
}
saveMu.Lock()
defer saveMu.Unlock()
err = loadTEXT(pb, filename)
return err
}
func loadENV() error {
if configPB != nil {
log.Info("configPB already loaded")
return errors.New("configPB already loaded")
}
filename, err := getConfigFilenameENV()
if err != nil {
return err
}
log.Info("loadENV()", filename)
stuff, err := os.ReadFile(filename)
if err != nil {
return err
}
saveMu.Lock()
defer saveMu.Unlock()
configPB = NewConfigs()
for i, line := range strings.Split(string(stuff), "\n") {
line = strings.TrimSpace(line)
if line == "" {
continue
}
parts := strings.Split(line, "=")
if len(parts) != 2 {
log.Info("INVALID LINE:", i, line)
continue
}
c := new(Config)
c.Key = parts[0]
c.Value = parts[1]
configPB.Append(c)
log.Printf("ENV LINE: (%v)\n", c)
}
return err
}
func getConfigFilenameENV() (string, error) {
appname, err := GetAppname() // already configured by your application
if err != nil {
return "", err
}
configdir, err := getConfigDir()
if err != nil {
return "", err
}
filename := filepath.Join(configdir, appname+".ENV")
return filename, nil
}
func getConfigFilenameTEXT() (string, error) {
appname, err := GetAppname() // already configured by your application
if err != nil {
return "", err
}
configdir, err := getConfigDir()
if err != nil {
return "", err
}
filename := filepath.Join(configdir, appname+".text")
return filename, nil
}
func GetAppname() (string, error) {
if APPNAME != "" {
return APPNAME, nil
}
return "", errors.New("your application must setup config.Init()")
}
func GetUsername() string {
if Get("username") != "" {
return Get("username")
}
usr, _ := user.Current()
if usr.Username != "" {
return usr.Username
}
return "notsure" // OS Idiocracy
}
func getCacheDir() (string, error) {
if Get("cacheDir") != "" {
return Get("cacheDir"), nil
}
cacheDir, _ := os.UserCacheDir()
appname, err := GetAppname() // application should have already configured this
if err != nil {
return cacheDir, err
}
return filepath.Join(cacheDir, appname), nil
}
func getConfigDir() (string, error) {
if Get("configDir") != "" {
return Get("configDir"), nil
}
configDir, _ := os.UserConfigDir()
appname, err := GetAppname() // application should have already configured this
if err != nil {
return configDir, err
}
return filepath.Join(configDir, appname), nil
}
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