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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 crane
import (
"fmt"
"github.com/google/go-containerregistry/pkg/name"
"github.com/google/go-containerregistry/pkg/v1/remote"
)
// Tag adds tag to the remote img.
func Tag(img, tag string, opt ...Option) error {
o := makeOptions(opt...)
ref, err := name.ParseReference(img, o.Name...)
if err != nil {
return fmt.Errorf("parsing reference %q: %w", img, err)
}
desc, err := remote.Get(ref, o.Remote...)
if err != nil {
return fmt.Errorf("fetching %q: %w", img, err)
}
dst := ref.Context().Tag(tag)
return remote.Tag(dst, desc, o.Remote...)
}
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