From 422f3ead0963531537f6005ae2124c1da38bd2fb Mon Sep 17 00:00:00 2001
From: risk danger olson <technoweenie@gmail.com>
Date: Fri, 18 Nov 2016 11:51:15 -0700
Subject: [PATCH] continue gutting lfs/scanner.go

---
 lfs/gitscanner.go       | 37 ++++++++++++++++++++++++++++
 lfs/gitscanner_index.go |  9 +++++++
 lfs/gitscanner_refs.go  |  2 ++
 lfs/scanner.go          | 54 +----------------------------------------
 4 files changed, 49 insertions(+), 53 deletions(-)

diff --git a/lfs/gitscanner.go b/lfs/gitscanner.go
index 60b42023..755a1e1b 100644
--- a/lfs/gitscanner.go
+++ b/lfs/gitscanner.go
@@ -131,3 +131,40 @@ func (s *GitScanner) opts(mode ScanningMode) *ScanRefsOptions {
 	opts.skippedRefs = s.skippedRefs
 	return opts
 }
+
+type ScanningMode int
+
+const (
+	ScanRefsMode         = ScanningMode(iota) // 0 - or default scan mode
+	ScanAllMode          = ScanningMode(iota)
+	ScanLeftToRemoteMode = ScanningMode(iota)
+)
+
+type ScanRefsOptions struct {
+	ScanMode         ScanningMode
+	RemoteName       string
+	SkipDeletedBlobs bool
+	skippedRefs      []string
+	nameMap          map[string]string
+	mutex            *sync.Mutex
+}
+
+func (o *ScanRefsOptions) GetName(sha string) (string, bool) {
+	o.mutex.Lock()
+	name, ok := o.nameMap[sha]
+	o.mutex.Unlock()
+	return name, ok
+}
+
+func (o *ScanRefsOptions) SetName(sha, name string) {
+	o.mutex.Lock()
+	o.nameMap[sha] = name
+	o.mutex.Unlock()
+}
+
+func newScanRefsOptions() *ScanRefsOptions {
+	return &ScanRefsOptions{
+		nameMap: make(map[string]string, 0),
+		mutex:   &sync.Mutex{},
+	}
+}
diff --git a/lfs/gitscanner_index.go b/lfs/gitscanner_index.go
index a07a2081..fe4c5e7c 100644
--- a/lfs/gitscanner_index.go
+++ b/lfs/gitscanner_index.go
@@ -174,6 +174,15 @@ func revListIndex(atRef string, cache bool, indexMap *indexFileMap) (*StringChan
 	return NewStringChannelWrapper(revs, errchan), nil
 }
 
+// indexFile is used when scanning the index. It stores the name of
+// the file, the status of the file in the index, and, in the case of
+// a moved or copied file, the original name of the file.
+type indexFile struct {
+	Name    string
+	SrcName string
+	Status  string
+}
+
 type indexFileMap struct {
 	// mutex guards nameMap and nameShaPairs
 	mutex *sync.Mutex
diff --git a/lfs/gitscanner_refs.go b/lfs/gitscanner_refs.go
index 00e7d72a..eab3e9dd 100644
--- a/lfs/gitscanner_refs.go
+++ b/lfs/gitscanner_refs.go
@@ -13,6 +13,8 @@ import (
 	"github.com/rubyist/tracerx"
 )
 
+var z40 = regexp.MustCompile(`\^?0{40}`)
+
 // scanRefsToChan takes a ref and returns a channel of WrappedPointer objects
 // for all Git LFS pointers it finds for that ref.
 // Reports unique oids once only, not multiple times if >1 file uses the same content
diff --git a/lfs/scanner.go b/lfs/scanner.go
index 50368826..1f7e5e73 100644
--- a/lfs/scanner.go
+++ b/lfs/scanner.go
@@ -1,10 +1,6 @@
 package lfs
 
-import (
-	"fmt"
-	"regexp"
-	"sync"
-)
+import "fmt"
 
 const (
 	// blobSizeCutoff is used to determine which files to scan for Git LFS
@@ -30,54 +26,6 @@ type WrappedPointer struct {
 	*Pointer
 }
 
-// indexFile is used when scanning the index. It stores the name of
-// the file, the status of the file in the index, and, in the case of
-// a moved or copied file, the original name of the file.
-type indexFile struct {
-	Name    string
-	SrcName string
-	Status  string
-}
-
-var z40 = regexp.MustCompile(`\^?0{40}`)
-
-type ScanningMode int
-
-const (
-	ScanRefsMode         = ScanningMode(iota) // 0 - or default scan mode
-	ScanAllMode          = ScanningMode(iota)
-	ScanLeftToRemoteMode = ScanningMode(iota)
-)
-
-type ScanRefsOptions struct {
-	ScanMode         ScanningMode
-	RemoteName       string
-	SkipDeletedBlobs bool
-	skippedRefs      []string
-	nameMap          map[string]string
-	mutex            *sync.Mutex
-}
-
-func (o *ScanRefsOptions) GetName(sha string) (string, bool) {
-	o.mutex.Lock()
-	name, ok := o.nameMap[sha]
-	o.mutex.Unlock()
-	return name, ok
-}
-
-func (o *ScanRefsOptions) SetName(sha, name string) {
-	o.mutex.Lock()
-	o.nameMap[sha] = name
-	o.mutex.Unlock()
-}
-
-func newScanRefsOptions() *ScanRefsOptions {
-	return &ScanRefsOptions{
-		nameMap: make(map[string]string, 0),
-		mutex:   &sync.Mutex{},
-	}
-}
-
 // catFileBatchCheck uses git cat-file --batch-check to get the type
 // and size of a git object. Any object that isn't of type blob and
 // under the blobSizeCutoff will be ignored. revs is a channel over