working commit

2026-02-21 13:16:30 +02:00
parent cd37a4508c
commit d650d58a6d
1149 changed files with 116 additions and 722633 deletions
@@ -1,129 +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 (
-	"fmt"
-	"os"
-
-	comp "github.com/google/go-containerregistry/internal/compression"
-	"github.com/google/go-containerregistry/internal/windows"
-	"github.com/google/go-containerregistry/pkg/compression"
-	v1 "github.com/google/go-containerregistry/pkg/v1"
-	"github.com/google/go-containerregistry/pkg/v1/mutate"
-	"github.com/google/go-containerregistry/pkg/v1/stream"
-	"github.com/google/go-containerregistry/pkg/v1/tarball"
-	"github.com/google/go-containerregistry/pkg/v1/types"
-)
-
-func isWindows(img v1.Image) (bool, error) {
-	cfg, err := img.ConfigFile()
-	if err != nil {
-		return false, err
-	}
-	return cfg != nil && cfg.OS == "windows", nil
-}
-
-// Append reads a layer from path and appends it the the v1.Image base.
-//
-// If the base image is a Windows base image (i.e., its config.OS is
-// "windows"), the contents of the tarballs will be modified to be suitable for
-// a Windows container image.`,
-func Append(base v1.Image, paths ...string) (v1.Image, error) {
-	if base == nil {
-		return nil, fmt.Errorf("invalid argument: base")
-	}
-
-	win, err := isWindows(base)
-	if err != nil {
-		return nil, fmt.Errorf("getting base image: %w", err)
-	}
-
-	baseMediaType, err := base.MediaType()
-	if err != nil {
-		return nil, fmt.Errorf("getting base image media type: %w", err)
-	}
-
-	layerType := types.DockerLayer
-	if baseMediaType == types.OCIManifestSchema1 {
-		layerType = types.OCILayer
-	}
-
-	layers := make([]v1.Layer, 0, len(paths))
-	for _, path := range paths {
-		layer, err := getLayer(path, layerType)
-		if err != nil {
-			return nil, fmt.Errorf("reading layer %q: %w", path, err)
-		}
-
-		if win {
-			layer, err = windows.Windows(layer)
-			if err != nil {
-				return nil, fmt.Errorf("converting %q for Windows: %w", path, err)
-			}
-		}
-
-		layers = append(layers, layer)
-	}
-
-	return mutate.AppendLayers(base, layers...)
-}
-
-func getLayer(path string, layerType types.MediaType) (v1.Layer, error) {
-	f, err := streamFile(path)
-	if err != nil {
-		return nil, err
-	}
-	if f != nil {
-		return stream.NewLayer(f, stream.WithMediaType(layerType)), nil
-	}
-
-	// This is dumb but the tarball package assumes things about mediaTypes that aren't true
-	// and doesn't have enough context to know what the right default is.
-	f, err = os.Open(path)
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-	z, _, err := comp.PeekCompression(f)
-	if err != nil {
-		return nil, err
-	}
-	if z == compression.ZStd {
-		layerType = types.OCILayerZStd
-	}
-
-	return tarball.LayerFromFile(path, tarball.WithMediaType(layerType))
-}
-
-// If we're dealing with a named pipe, trying to open it multiple times will
-// fail, so we need to do a streaming upload.
-//
-// returns nil, nil for non-streaming files
-func streamFile(path string) (*os.File, error) {
-	if path == "-" {
-		return os.Stdin, nil
-	}
-	fi, err := os.Stat(path)
-	if err != nil {
-		return nil, err
-	}
-
-	if !fi.Mode().IsRegular() {
-		return os.Open(path)
-	}
-
-	return nil, nil
-}