forked from google/go-containerregistry
/
catalog.go
57 lines (49 loc) · 1.53 KB
/
catalog.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
// 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 (
"fmt"
"os"
"strings"
"github.com/google/go-containerregistry/pkg/crane"
"github.com/spf13/cobra"
)
// NewCmdCatalog creates a new cobra.Command for the repos subcommand.
func NewCmdCatalog(options *[]crane.Option, argv ...string) *cobra.Command {
if len(argv) == 0 {
argv = []string{os.Args[0]}
}
baseCmd := strings.Join(argv, " ")
eg := fmt.Sprintf(` # list the repos for reg.example.com
$ echo "reg.example.com" | %s catalog
# or
$ %s catalog reg.example.com`, baseCmd, baseCmd)
return &cobra.Command{
Use: "catalog [REGISTRY]",
Short: "List the repos in a registry",
Example: eg,
Args: cobra.ExactArgs(1),
RunE: func(_ *cobra.Command, args []string) error {
reg := args[0]
repos, err := crane.Catalog(reg, *options...)
if err != nil {
return fmt.Errorf("reading repos for %s: %w", reg, err)
}
for _, repo := range repos {
fmt.Println(repo)
}
return nil
},
}
}