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blob.go
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/
blob.go
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package git
import "bytes"
type Blob struct {
id SHA1
repo *Repository
od ObjectData
Data []byte
}
func newBlob(id SHA1, repo *Repository) *Blob {
return &Blob{
id: id,
repo: repo,
}
}
func (b *Blob) SHA1() SHA1 {
return b.id
}
func (b *Blob) Parse(data []byte) error {
b.Data = cloneBytes(data)
return nil
}
func (b *Blob) Resolve() error {
return b.repo.Resolve(b)
}
func (b *Blob) Resolved() bool {
return b.Data != nil
}
func (b *Blob) Write() error {
if len(b.Data) > 0 {
b.od = bytes.NewReader(b.Data)
}
id, err := b.repo.writeObject("blob", b.od)
if err == nil {
b.id = id
}
return err
}
func cloneBytes(b []byte) []byte {
n := len(b)
dst := make([]byte, n, n)
copy(dst, b)
return dst
}
func (r *Repository) NewBlob(data ObjectData) *Blob {
return &Blob{
repo: r,
od: data,
}
}