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// Package object provides Git object models and codecs.
package object
import (
"bytes"
"errors"
"strconv"
"codeberg.org/lindenii/furgit/objecttype"
)
var (
// ErrInvalidObject indicates malformed serialized data.
ErrInvalidObject = errors.New("object: invalid object encoding")
// ErrNotFound indicates missing entries in in-memory lookups.
ErrNotFound = errors.New("object: not found")
)
// Object is a Git object that can serialize itself.
type Object interface {
ObjectType() objecttype.Type
Serialize() ([]byte, error)
}
func headerForType(ty objecttype.Type, body []byte) ([]byte, error) {
tyStr, ok := objecttype.Name(ty)
if !ok {
return nil, ErrInvalidObject
}
size := strconv.Itoa(len(body))
var buf bytes.Buffer
buf.Grow(len(tyStr) + len(size) + 2)
buf.WriteString(tyStr)
buf.WriteByte(' ')
buf.WriteString(size)
buf.WriteByte(0)
return buf.Bytes(), nil
}
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