func (e *Encoder) encodeHeader(idx *Index) error {
return binary.Write(e.w,
indexSignature,
idx.Version,
uint32(len(idx.Entries)),
)
}
func (e *Encoder) head(numEntries int) error {
return binary.Write(
e.w,
signature,
int32(VersionSupported),
int32(numEntries),
)
}
func (e *Encoder) encodeEntry(entry *Entry) error {
if entry.IntentToAdd || entry.SkipWorktree {
return ErrUnsupportedVersion
}
sec, nsec, err := e.timeToUint32(&entry.CreatedAt)
if err != nil {
return err
}
msec, mnsec, err := e.timeToUint32(&entry.ModifiedAt)
if err != nil {
return err
}
flags := uint16(entry.Stage&0x3) << 12
if l := len(entry.Name); l < nameMask {
flags |= uint16(l)
} else {
flags |= nameMask
}
flow := []interface{}{
sec, nsec,
msec, mnsec,
entry.Dev,
entry.Inode,
entry.Mode,
entry.UID,
entry.GID,
entry.Size,
entry.Hash[:],
flags,
}
if err := binary.Write(e.w, flow...); err != nil {
return err
}
return binary.Write(e.w, []byte(entry.Name))
}
func (e *Encoder) encodeCRC32(idx *Idxfile) (int, error) {
sz := 0
for _, ent := range idx.Entries {
err := binary.Write(e, ent.CRC32)
sz += 4
if err != nil {
return sz, err
}
}
return sz, nil
}
func (e *Encoder) encodeFooter() error {
return binary.Write(e.w, e.hash.Sum(nil))
}
func (e *Encoder) footer() (plumbing.Hash, error) {
h := e.hasher.Sum()
return h, binary.Write(e.w, h)
}
func (e *Encoder) writeRefDeltaHeader(base plumbing.Hash) error {
return binary.Write(e.w, base)
}