forked from google/go-containerregistry
/
copy.go
58 lines (51 loc) · 1.72 KB
/
copy.go
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// Copyright 2019 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 (
"context"
"log"
"runtime"
"github.com/google/go-containerregistry/pkg/gcrane"
"github.com/spf13/cobra"
)
func init() { Root.AddCommand(NewCmdCopy()) }
// NewCmdCopy creates a new cobra.Command for the copy subcommand.
func NewCmdCopy() *cobra.Command {
recursive := false
jobs := 1
cmd := &cobra.Command{
Use: "copy SRC DST",
Aliases: []string{"cp"},
Short: "Efficiently copy a remote image from src to dst",
Args: cobra.ExactArgs(2),
Run: func(cc *cobra.Command, args []string) {
src, dst := args[0], args[1]
if recursive {
// We should wire this up to signal handlers and make sure we
// respect the cancellation downstream.
ctx := context.TODO()
if err := gcrane.CopyRepository(ctx, src, dst, gcrane.WithJobs(jobs)); err != nil {
log.Fatal(err)
}
} else {
if err := gcrane.Copy(src, dst); err != nil {
log.Fatal(err)
}
}
},
}
cmd.Flags().BoolVarP(&recursive, "recursive", "r", false, "Whether to recurse through repos")
cmd.Flags().IntVarP(&jobs, "jobs", "j", runtime.GOMAXPROCS(0), "The maximum number of concurrent copies")
return cmd
}