46 lines
640 B
Go
46 lines
640 B
Go
package tilde
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import (
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"errors"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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)
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var (
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ErrNoHome = errors.New("no home found")
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)
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func Expand(path string) (string, error) {
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if !strings.HasPrefix(path, "~") {
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return path, nil
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}
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home, err := Home()
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if err != nil {
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return "", err
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}
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return home + path[1:], nil
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}
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func Home() (string, error) {
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home := ""
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switch runtime.GOOS {
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case "windows":
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home = filepath.Join(os.Getenv("HomeDrive"), os.Getenv("HomePath"))
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if home == "" {
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home = os.Getenv("UserProfile")
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}
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default:
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home = os.Getenv("HOME")
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}
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if home == "" {
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return "", ErrNoHome
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}
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return home, nil
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}
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