working commit

vendor/github.com/google/go-containerregistry/pkg/crane/filemap.go

@@ -1,72 +0,0 @@
-// Copyright 2018 Google LLC All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package crane
-
-import (
-	"archive/tar"
-	"bytes"
-	"io"
-	"sort"
-
-	v1 "github.com/google/go-containerregistry/pkg/v1"
-	"github.com/google/go-containerregistry/pkg/v1/empty"
-	"github.com/google/go-containerregistry/pkg/v1/mutate"
-	"github.com/google/go-containerregistry/pkg/v1/tarball"
-)
-
-// Layer creates a layer from a single file map. These layers are reproducible and consistent.
-// A filemap is a path -> file content map representing a file system.
-func Layer(filemap map[string][]byte) (v1.Layer, error) {
-	b := &bytes.Buffer{}
-	w := tar.NewWriter(b)
-
-	fn := make([]string, 0, len(filemap))
-	for f := range filemap {
-		fn = append(fn, f)
-	}
-	sort.Strings(fn)
-
-	for _, f := range fn {
-		c := filemap[f]
-		if err := w.WriteHeader(&tar.Header{
-			Name: f,
-			Size: int64(len(c)),
-		}); err != nil {
-			return nil, err
-		}
-		if _, err := w.Write(c); err != nil {
-			return nil, err
-		}
-	}
-	if err := w.Close(); err != nil {
-		return nil, err
-	}
-
-	// Return a new copy of the buffer each time it's opened.
-	return tarball.LayerFromOpener(func() (io.ReadCloser, error) {
-		return io.NopCloser(bytes.NewBuffer(b.Bytes())), nil
-	})
-}
-
-// Image creates a image with the given filemaps as its contents. These images are reproducible and consistent.
-// A filemap is a path -> file content map representing a file system.
-func Image(filemap map[string][]byte) (v1.Image, error) {
-	y, err := Layer(filemap)
-	if err != nil {
-		return nil, err
-	}
-
-	return mutate.AppendLayers(empty.Image, y)
-}