func (b *buildFile) addContext(container *env.Container, orig, dest string) error {
origPath := path.Join(b.context, orig)
destPath := path.Join(container.RootfsPath(), dest)
// Preserve the trailing '/'
if strings.HasSuffix(dest, "/") {
destPath = destPath + "/"
}
fi, err := os.Stat(origPath)
if err != nil {
return err
}
if fi.IsDir() {
if err := utils.CopyWithTar(origPath, destPath); err != nil {
return err
}
// First try to unpack the source as an archive
} else if err := utils.UntarPath(origPath, destPath); err != nil {
utils.Debugf("Couldn't untar %s to %s: %s", origPath, destPath, err)
// If that fails, just copy it as a regular file
if err := os.MkdirAll(path.Dir(destPath), 0755); err != nil {
return err
}
if err := utils.CopyWithTar(origPath, destPath); err != nil {
return err
}
}
return nil
}
func (b *buildFile) addRemote(container *env.Container, orig, dest string) error {
file, err := utils.Download(orig, ioutil.Discard)
if err != nil {
return err
}
defer file.Body.Close()
// If the destination is a directory, figure out the filename.
if strings.HasSuffix(dest, "/") {
u, err := url.Parse(orig)
if err != nil {
return err
}
path := u.Path
if strings.HasSuffix(path, "/") {
path = path[:len(path)-1]
}
parts := strings.Split(path, "/")
filename := parts[len(parts)-1]
if filename == "" {
return fmt.Errorf("cannot determine filename from url: %s", u)
}
dest = dest + filename
}
return container.Inject(file.Body, dest)
}