1 files changed, 0 insertions, 140 deletions
diff --git a/plumbing/format/packp/ulreq/encoder.go b/plumbing/format/packp/ulreq/encoder.go
deleted file mode 100644
index 1264e0e..0000000
--- a/plumbing/format/packp/ulreq/encoder.go
+++ /dev/null
@@ -1,140 +0,0 @@
-package ulreq
-
-import (
-	"fmt"
-	"io"
-	"sort"
-	"time"
-
-	"gopkg.in/src-d/go-git.v4/plumbing"
-	"gopkg.in/src-d/go-git.v4/plumbing/format/packp/pktline"
-)
-
-// An Encoder writes UlReq values to an output stream.
-type Encoder struct {
-	pe          *pktline.Encoder // where to write the encoded data
-	data        *UlReq           // the data to encode
-	sortedWants []string
-	err         error // sticky error
-}
-
-// NewEncoder returns a new encoder that writes to w.
-func NewEncoder(w io.Writer) *Encoder {
-	return &Encoder{
-		pe: pktline.NewEncoder(w),
-	}
-}
-
-// Encode writes the UlReq encoding of v to the stream.
-//
-// All the payloads will end with a newline character.  Wants and
-// shallows are sorted alphabetically.  A depth of 0 means no depth
-// request is sent.
-func (e *Encoder) Encode(v *UlReq) error {
-	if len(v.Wants) == 0 {
-		return fmt.Errorf("empty wants provided")
-	}
-
-	e.data = v
-	e.sortedWants = sortHashes(v.Wants)
-
-	for state := encodeFirstWant; state != nil; {
-		state = state(e)
-	}
-
-	return e.err
-}
-
-type encoderStateFn func(*Encoder) encoderStateFn
-
-func sortHashes(list []plumbing.Hash) []string {
-	sorted := make([]string, len(list))
-	for i, hash := range list {
-		sorted[i] = hash.String()
-	}
-	sort.Strings(sorted)
-
-	return sorted
-}
-
-func encodeFirstWant(e *Encoder) encoderStateFn {
-	var err error
-	if e.data.Capabilities.IsEmpty() {
-		err = e.pe.Encodef("want %s\n", e.sortedWants[0])
-	} else {
-		e.data.Capabilities.Sort()
-		err = e.pe.Encodef(
-			"want %s %s\n",
-			e.sortedWants[0],
-			e.data.Capabilities.String(),
-		)
-	}
-	if err != nil {
-		e.err = fmt.Errorf("encoding first want line: %s", err)
-		return nil
-	}
-
-	return encodeAditionalWants
-}
-
-func encodeAditionalWants(e *Encoder) encoderStateFn {
-	for _, w := range e.sortedWants[1:] {
-		if err := e.pe.Encodef("want %s\n", w); err != nil {
-			e.err = fmt.Errorf("encoding want %q: %s", w, err)
-			return nil
-		}
-	}
-
-	return encodeShallows
-}
-
-func encodeShallows(e *Encoder) encoderStateFn {
-	sorted := sortHashes(e.data.Shallows)
-	for _, s := range sorted {
-		if err := e.pe.Encodef("shallow %s\n", s); err != nil {
-			e.err = fmt.Errorf("encoding shallow %q: %s", s, err)
-			return nil
-		}
-	}
-
-	return encodeDepth
-}
-
-func encodeDepth(e *Encoder) encoderStateFn {
-	switch depth := e.data.Depth.(type) {
-	case DepthCommits:
-		if depth != 0 {
-			commits := int(depth)
-			if err := e.pe.Encodef("deepen %d\n", commits); err != nil {
-				e.err = fmt.Errorf("encoding depth %d: %s", depth, err)
-				return nil
-			}
-		}
-	case DepthSince:
-		when := time.Time(depth).UTC()
-		if err := e.pe.Encodef("deepen-since %d\n", when.Unix()); err != nil {
-			e.err = fmt.Errorf("encoding depth %s: %s", when, err)
-			return nil
-		}
-	case DepthReference:
-		reference := string(depth)
-		if err := e.pe.Encodef("deepen-not %s\n", reference); err != nil {
-			e.err = fmt.Errorf("encoding depth %s: %s", reference, err)
-			return nil
-		}
-	default:
-		e.err = fmt.Errorf("unsupported depth type")
-		return nil
-	}
-
-	return encodeFlush
-}
-
-func encodeFlush(e *Encoder) encoderStateFn {
-	if err := e.pe.Flush(); err != nil {
-		e.err = fmt.Errorf("encoding flush-pkt: %s", err)
-		return nil
-	}
-
-	return nil
-}