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// Copyright (c) 2022 Cisco and/or its affiliates.
//
// SPDX-License-Identifier: Apache-2.0
//
// 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 gitoid
import (
"crypto/sha256"
"hash"
)
type option struct {
gitObjectType GitObjectType
h hash.Hash
hashName string
contentLength int64
}
// Option - option for GitOID creation.
type Option func(o *option)
// WithSha256 - use sha256 for computing gitoids instead of the default sha1.
func WithSha256() Option {
return func(o *option) {
o.hashName = "sha256"
o.h = sha256.New()
}
}
// WithGitObjectType - set the GitOobjectType to a value different than the default gitoid.BLOB type.
func WithGitObjectType(gitObjectType GitObjectType) Option {
return func(o *option) {
o.gitObjectType = gitObjectType
}
}
// WithContentLength - allows the assertion of a contentLength to be read from the provided reader
// only the first contentLength of data will be read from the reader
// if contentLength bytes are unavailable from the reader, an error will be returned.
func WithContentLength(contentLength int64) Option {
return func(o *option) {
o.contentLength = contentLength
}
}
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