package fscache // import "github.com/docker/docker/builder/fscache" import ( "os" "path/filepath" "github.com/pkg/errors" ) // NewNaiveCacheBackend is a basic backend implementation for fscache func NewNaiveCacheBackend(root string) Backend { return &naiveCacheBackend{root: root} } type naiveCacheBackend struct { root string } func (tcb *naiveCacheBackend) Get(id string) (string, error) { d := filepath.Join(tcb.root, id) if err := os.MkdirAll(d, 0700); err != nil { return "", errors.Wrapf(err, "failed to create tmp dir for %s", d) } return d, nil } func (tcb *naiveCacheBackend) Remove(id string) error { return errors.WithStack(os.RemoveAll(filepath.Join(tcb.root, id))) }