mirror of https://github.com/cheat/cheat.git
34 lines
828 B
Go
34 lines
828 B
Go
package git
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import (
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"io"
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"github.com/go-git/go-git/v5/plumbing"
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)
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// signableObject is an object which can be signed.
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type signableObject interface {
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EncodeWithoutSignature(o plumbing.EncodedObject) error
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}
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// Signer is an interface for signing git objects.
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// message is a reader containing the encoded object to be signed.
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// Implementors should return the encoded signature and an error if any.
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// See https://git-scm.com/docs/gitformat-signature for more information.
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type Signer interface {
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Sign(message io.Reader) ([]byte, error)
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}
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func signObject(signer Signer, obj signableObject) ([]byte, error) {
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encoded := &plumbing.MemoryObject{}
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if err := obj.EncodeWithoutSignature(encoded); err != nil {
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return nil, err
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}
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r, err := encoded.Reader()
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if err != nil {
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return nil, err
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}
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return signer.Sign(r)
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}
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