41 lines
763 B
Go
41 lines
763 B
Go
package pathutil
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import (
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"errors"
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"io/fs"
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"os"
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"path/filepath"
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"strings"
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)
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// UserHomeDir returns the home directory of the current user.
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func UserHomeDir() string {
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if home := os.Getenv("home"); home != "" {
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return home
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}
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return "/"
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}
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// Exists returns true if the specified path exists.
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func Exists(path string) bool {
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_, err := os.Stat(path)
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return err == nil || errors.Is(err, fs.ErrExist)
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}
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// ExpandHome substitutes `~` and `$home` at the start of the specified `path`.
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func ExpandHome(path string) string {
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home := UserHomeDir()
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if path == "" || home == "" {
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return path
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}
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if path[0] == '~' {
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return filepath.Join(home, path[1:])
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}
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if strings.HasPrefix(path, "$home") {
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return filepath.Join(home, path[5:])
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}
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return path
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}
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