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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 google
import (
"context"
"net/http"
"github.com/google/go-containerregistry/pkg/authn"
)
// WithTransport is a functional option for overriding the default transport
// on a remote image
func WithTransport(t http.RoundTripper) Option {
return func(l *lister) error {
l.transport = t
return nil
}
}
// WithAuth is a functional option for overriding the default authenticator
// on a remote image
func WithAuth(auth authn.Authenticator) Option {
return func(l *lister) error {
l.auth = auth
return nil
}
}
// WithAuthFromKeychain is a functional option for overriding the default
// authenticator on a remote image using an authn.Keychain
func WithAuthFromKeychain(keys authn.Keychain) Option {
return func(l *lister) error {
auth, err := keys.Resolve(l.repo.Registry)
if err != nil {
return err
}
l.auth = auth
return nil
}
}
// WithContext is a functional option for overriding the default
// context.Context for HTTP request to list remote images
func WithContext(ctx context.Context) Option {
return func(l *lister) error {
l.ctx = ctx
return nil
}
}
// WithUserAgent adds the given string to the User-Agent header for any HTTP
// requests. This header will also include "go-containerregistry/${version}".
//
// If you want to completely overwrite the User-Agent header, use WithTransport.
func WithUserAgent(ua string) Option {
return func(l *lister) error {
l.userAgent = ua
return nil
}
}
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