1 files changed, 0 insertions, 131 deletions
diff --git a/formats/idxfile/encoder.go b/formats/idxfile/encoder.go
deleted file mode 100644
index 164414a..0000000
--- a/formats/idxfile/encoder.go
+++ /dev/null
@@ -1,131 +0,0 @@
-package idxfile
-
-import (
-	"crypto/sha1"
-	"hash"
-	"io"
-	"sort"
-
-	"gopkg.in/src-d/go-git.v4/utils/binary"
-)
-
-// An Encoder writes idx files to an output stream.
-type Encoder struct {
-	io.Writer
-	hash hash.Hash
-}
-
-// NewEncoder returns a new encoder that writes to w.
-func NewEncoder(w io.Writer) *Encoder {
-	h := sha1.New()
-	mw := io.MultiWriter(w, h)
-	return &Encoder{mw, h}
-}
-
-// Encode writes the idx in an idx file format to the stream of the encoder.
-func (e *Encoder) Encode(idx *Idxfile) (int, error) {
-	idx.Entries.Sort()
-
-	flow := []func(*Idxfile) (int, error){
-		e.encodeHeader,
-		e.encodeFanout,
-		e.encodeHashes,
-		e.encodeCRC32,
-		e.encodeOffsets,
-		e.encodeChecksums,
-	}
-
-	sz := 0
-	for _, f := range flow {
-		i, err := f(idx)
-		sz += i
-
-		if err != nil {
-			return sz, err
-		}
-	}
-
-	return sz, nil
-}
-
-func (e *Encoder) encodeHeader(idx *Idxfile) (int, error) {
-	c, err := e.Write(idxHeader)
-	if err != nil {
-		return c, err
-	}
-
-	return c + 4, binary.WriteUint32(e, idx.Version)
-}
-
-func (e *Encoder) encodeFanout(idx *Idxfile) (int, error) {
-	fanout := idx.calculateFanout()
-	for _, c := range fanout {
-		if err := binary.WriteUint32(e, c); err != nil {
-			return 0, err
-		}
-	}
-
-	return 1024, nil
-}
-
-func (e *Encoder) encodeHashes(idx *Idxfile) (int, error) {
-	sz := 0
-	for _, ent := range idx.Entries {
-		i, err := e.Write(ent.Hash[:])
-		sz += i
-
-		if err != nil {
-			return sz, err
-		}
-	}
-
-	return sz, nil
-}
-
-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) encodeOffsets(idx *Idxfile) (int, error) {
-	sz := 0
-	for _, ent := range idx.Entries {
-		if err := binary.WriteUint32(e, uint32(ent.Offset)); err != nil {
-			return sz, err
-		}
-
-		sz += 4
-
-	}
-
-	return sz, nil
-}
-
-func (e *Encoder) encodeChecksums(idx *Idxfile) (int, error) {
-	if _, err := e.Write(idx.PackfileChecksum[:]); err != nil {
-		return 0, err
-	}
-
-	copy(idx.IdxChecksum[:], e.hash.Sum(nil)[:20])
-	if _, err := e.Write(idx.IdxChecksum[:]); err != nil {
-		return 0, err
-	}
-
-	return 40, nil
-}
-
-type EntryList []Entry
-
-func (p EntryList) Len() int           { return len(p) }
-func (p EntryList) Less(i, j int) bool { return p[i].Hash.String() < p[j].Hash.String() }
-func (p EntryList) Swap(i, j int)      { p[i], p[j] = p[j], p[i] }
-func (p EntryList) Sort()              { sort.Sort(p) }