blob: b3ba380323abd84f2b6be033f69d7c47f60cc833 [file] [log] [blame]
// +build !windows
package dockerfile // import "github.com/docker/docker/builder/dockerfile"
import (
"errors"
"os"
"path/filepath"
)
// normalizeWorkdir normalizes a user requested working directory in a
// platform semantically consistent way.
func normalizeWorkdir(_ string, current string, requested string) (string, error) {
if requested == "" {
return "", errors.New("cannot normalize nothing")
}
current = filepath.FromSlash(current)
requested = filepath.FromSlash(requested)
if !filepath.IsAbs(requested) {
return filepath.Join(string(os.PathSeparator), current, requested), nil
}
return requested, nil
}