60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package commands
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import (
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"io/ioutil"
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"log"
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"os"
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pb "github.com/containerd/continuity/proto"
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"github.com/golang/protobuf/proto"
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"github.com/spf13/cobra"
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)
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var DumpCmd = &cobra.Command{
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Use: "dump <manifest>",
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Short: "Dump the contents of the manifest in protobuf text format",
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Run: func(cmd *cobra.Command, args []string) {
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var p []byte
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var err error
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if len(args) < 1 {
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p, err = ioutil.ReadAll(os.Stdin)
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if err != nil {
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log.Fatalf("error reading manifest: %v", err)
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}
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} else {
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p, err = ioutil.ReadFile(args[0])
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if err != nil {
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log.Fatalf("error reading manifest: %v", err)
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}
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}
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var bm pb.Manifest
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if err := proto.Unmarshal(p, &bm); err != nil {
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log.Fatalf("error unmarshaling manifest: %v", err)
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}
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// TODO(stevvooe): For now, just dump the text format. Turn this into
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// nice text output later.
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if err := proto.MarshalText(os.Stdout, &bm); err != nil {
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log.Fatalf("error dumping manifest: %v", err)
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}
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},
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}
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