micro/internal/config/config.go
2020-02-11 13:09:17 -05:00

53 lines
1.4 KiB
Go

package config
import (
"errors"
"os"
"path/filepath"
homedir "github.com/mitchellh/go-homedir"
)
var ConfigDir string
// InitConfigDir finds the configuration directory for micro according to the XDG spec.
// If no directory is found, it creates one.
func InitConfigDir(flagConfigDir string) error {
var e error
microHome := os.Getenv("MICRO_CONFIG_HOME")
if microHome == "" {
// The user has not set $MICRO_CONFIG_HOME so we'll try $XDG_CONFIG_HOME
xdgHome := os.Getenv("XDG_CONFIG_HOME")
if xdgHome == "" {
// The user has not set $XDG_CONFIG_HOME so we should act like it was set to ~/.config
home, err := homedir.Dir()
if err != nil {
return errors.New("Error finding your home directory\nCan't load config files: " + err.Error())
}
xdgHome = filepath.Join(home, ".config")
}
microHome = filepath.Join(xdgHome, "micro")
}
ConfigDir = microHome
if len(flagConfigDir) > 0 {
if _, err := os.Stat(flagConfigDir); os.IsNotExist(err) {
e = errors.New("Error: " + flagConfigDir + " does not exist. Defaulting to " + ConfigDir + ".")
} else {
ConfigDir = flagConfigDir
return nil
}
}
// Create micro config home directory if it does not exist
// This creates parent directories and does nothing if it already exists
err := os.MkdirAll(ConfigDir, os.ModePerm)
if err != nil {
return errors.New("Error creating configuration directory: " + err.Error())
}
return e
}