package stdlib import ( "embed" "fmt" "io/fs" "path" "path/filepath" cueload "cuelang.org/go/cue/load" ) // FS contains the filesystem of the stdlib. //go:embed **/*.cue var FS embed.FS const ( stdlibPackageName = "dagger.cloud" ) func Overlay(prefixPath string) (map[string]cueload.Source, error) { overlay := map[string]cueload.Source{} err := fs.WalkDir(FS, ".", func(p string, entry fs.DirEntry, err error) error { if err != nil { return err } if !entry.Type().IsRegular() { return nil } if filepath.Ext(entry.Name()) != ".cue" { return nil } contents, err := FS.ReadFile(p) if err != nil { return fmt.Errorf("%s: %w", p, err) } overlayPath := path.Join(prefixPath, "cue.mod", "pkg", stdlibPackageName, p) overlay[overlayPath] = cueload.FromBytes(contents) return nil }) return overlay, err }