From 6a72d1aefbecd6f85f469565b210d9021d131b4d Mon Sep 17 00:00:00 2001
From: David Lawrence <david.lawrence@docker.com>
Date: Fri, 6 Mar 2015 09:48:25 -0800
Subject: [PATCH] Final polish to cloudfront and larger middleware refactor
 Signed-off-by: David Lawrence <david.lawrence@docker.com> (github: endophage)

---
 docs/handlers/layer.go      |  6 +++---
 docs/storage/layerreader.go | 30 +++++++++++++++---------------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/docs/handlers/layer.go b/docs/handlers/layer.go
index 9e0e440c..ae73aee0 100644
--- a/docs/handlers/layer.go
+++ b/docs/handlers/layer.go
@@ -49,8 +49,8 @@ type layerHandler struct {
 // response.
 func (lh *layerHandler) GetLayer(w http.ResponseWriter, r *http.Request) {
 	ctxu.GetLogger(lh).Debug("GetImageLayer")
-	layerStore := lh.Repository.Layers()
-	layerReader, err := layerStore.Fetch(lh.Digest)
+	layers := lh.Repository.Layers()
+	layer, err := layers.Fetch(lh.Digest)
 
 	if err != nil {
 		switch err := err.(type) {
@@ -63,5 +63,5 @@ func (lh *layerHandler) GetLayer(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	layerReader.ServeHTTP(w, r)
+	layer.ServeHTTP(w, r)
 }
diff --git a/docs/storage/layerreader.go b/docs/storage/layerreader.go
index 20050f11..b9b05c5c 100644
--- a/docs/storage/layerreader.go
+++ b/docs/storage/layerreader.go
@@ -8,7 +8,7 @@ import (
 	"github.com/docker/distribution/digest"
 )
 
-// LayerRead implements Layer and provides facilities for reading and
+// layerReader implements Layer and provides facilities for reading and
 // seeking.
 type layerReader struct {
 	fileReader
@@ -18,32 +18,32 @@ type layerReader struct {
 
 var _ distribution.Layer = &layerReader{}
 
-func (lrs *layerReader) Path() string {
-	return lrs.path
+func (lr *layerReader) Path() string {
+	return lr.path
 }
 
-func (lrs *layerReader) Digest() digest.Digest {
-	return lrs.digest
+func (lr *layerReader) Digest() digest.Digest {
+	return lr.digest
 }
 
-func (lrs *layerReader) Length() int64 {
-	return lrs.size
+func (lr *layerReader) Length() int64 {
+	return lr.size
 }
 
-func (lrs *layerReader) CreatedAt() time.Time {
-	return lrs.modtime
+func (lr *layerReader) CreatedAt() time.Time {
+	return lr.modtime
 }
 
 // Close the layer. Should be called when the resource is no longer needed.
-func (lrs *layerReader) Close() error {
-	return lrs.closeWithErr(distribution.ErrLayerClosed)
+func (lr *layerReader) Close() error {
+	return lr.closeWithErr(distribution.ErrLayerClosed)
 }
 
-func (lrs *layerReader) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Docker-Content-Digest", lrs.digest.String())
+func (lr *layerReader) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Docker-Content-Digest", lr.digest.String())
 
-	if url, err := lrs.fileReader.driver.URLFor(lrs.Path(), map[string]interface{}{}); err == nil {
+	if url, err := lr.fileReader.driver.URLFor(lr.Path(), map[string]interface{}{}); err == nil {
 		http.Redirect(w, r, url, http.StatusTemporaryRedirect)
 	}
-	http.ServeContent(w, r, lrs.Digest().String(), lrs.CreatedAt(), lrs)
+	http.ServeContent(w, r, lr.digest.String(), lr.CreatedAt(), lr)
 }