Revert "packed: Write packs with deltas"

This reverts commit 17c9aee0e781026353ead4ac749a3ae89c83d007.

1 files changed, 0 insertions, 56 deletions

diff --git a/delta_write_select.go b/delta_write_select.go
deleted file mode 100644
index ad8e0d0e..00000000
--- a/delta_write_select.go
+++ /dev/null
@@ -1,56 +0,0 @@
-package furgit
-
-const defaultDeltaWindow = 64
-
-type objectToPack struct {
-	id         Hash
-	ty         ObjectType
-	body       []byte
-	offset     uint64
-	deltaDepth int
-}
-
-type deltaContext struct {
-	window     int
-	candidates []*objectToPack
-}
-
-func (ctx *deltaContext) addCandidate(obj *objectToPack) {
-	if ctx.window <= 0 {
-		return
-	}
-	ctx.candidates = append(ctx.candidates, obj)
-	if len(ctx.candidates) > ctx.window {
-		over := len(ctx.candidates) - ctx.window
-		ctx.candidates = ctx.candidates[over:]
-	}
-}
-
-func pickDeltaBase(ctx *deltaContext, obj *objectToPack, seed uint32, minSavings, maxDepth int) (*objectToPack, []byte) {
-	if ctx == nil || len(ctx.candidates) == 0 {
-		return nil, nil
-	}
-	if maxDepth <= 0 {
-		maxDepth = 1
-	}
-	var bestBase *objectToPack
-	var bestDelta []byte
-	for i := len(ctx.candidates) - 1; i >= 0; i-- {
-		base := ctx.candidates[i]
-		if base.ty != ObjectTypeBlob {
-			continue
-		}
-		if base.deltaDepth >= maxDepth {
-			continue
-		}
-		delta, ok := deltaTry(base.body, obj.body, seed, minSavings)
-		if !ok {
-			continue
-		}
-		if bestDelta == nil || len(delta) < len(bestDelta) {
-			bestDelta = delta
-			bestBase = base
-		}
-	}
-	return bestBase, bestDelta
-}