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-rw-r--r--cmd/crane/cmd/manifest.go40
1 files changed, 40 insertions, 0 deletions
diff --git a/cmd/crane/cmd/manifest.go b/cmd/crane/cmd/manifest.go
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+// 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 cmd
+
+import (
+ "fmt"
+
+ "github.com/google/go-containerregistry/pkg/crane"
+ "github.com/spf13/cobra"
+)
+
+// NewCmdManifest creates a new cobra.Command for the manifest subcommand.
+func NewCmdManifest(options *[]crane.Option) *cobra.Command {
+ return &cobra.Command{
+ Use: "manifest IMAGE",
+ Short: "Get the manifest of an image",
+ Args: cobra.ExactArgs(1),
+ RunE: func(_ *cobra.Command, args []string) error {
+ src := args[0]
+ manifest, err := crane.Manifest(src, *options...)
+ if err != nil {
+ return fmt.Errorf("fetching manifest %s: %w", src, err)
+ }
+ fmt.Print(string(manifest))
+ return nil
+ },
+ }
+}