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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"
"strings"
"github.com/google/go-containerregistry/pkg/crane"
"github.com/google/go-containerregistry/pkg/name"
"github.com/spf13/cobra"
)
// NewCmdList creates a new cobra.Command for the ls subcommand.
func NewCmdList(options *[]crane.Option) *cobra.Command {
var fullRef, omitDigestTags bool
cmd := &cobra.Command{
Use: "ls REPO",
Short: "List the tags in a repo",
Args: cobra.ExactArgs(1),
RunE: func(_ *cobra.Command, args []string) error {
repo := args[0]
tags, err := crane.ListTags(repo, *options...)
if err != nil {
return fmt.Errorf("reading tags for %s: %w", repo, err)
}
r, err := name.NewRepository(repo)
if err != nil {
return err
}
for _, tag := range tags {
if omitDigestTags && strings.HasPrefix(tag, "sha256-") {
continue
}
if fullRef {
fmt.Println(r.Tag(tag))
} else {
fmt.Println(tag)
}
}
return nil
},
}
cmd.Flags().BoolVar(&fullRef, "full-ref", false, "(Optional) if true, print the full image reference")
cmd.Flags().BoolVar(&omitDigestTags, "omit-digest-tags", false, "(Optional), if true, omit digest tags (e.g., ':sha256-...')")
return cmd
}
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