diff --git a/main.go b/main.go
index b89a70d..b2e0091 100644
--- a/main.go
+++ b/main.go
@@ -6,31 +6,31 @@ import (
 	"os"
 )
 
-var names map[string]string
 
 func main() {
 	f, _ := os.OpenFile("test.sort.pb.go", os.O_WRONLY|os.O_CREATE, 0600)
-	names = make(map[string]string)
-	names["package"] = "testautogen"
-	names["lock"] = "gitTagslock"
-	names["Base"] = "GitTag"
-	names["Bases"] = "GitTags"
 
-	names["base"] = "gitTag"
-	names["sortBy"] = "ByPath"
-	names["sortKey"] = "Refname"
+	sortmap := make(map[string]string)
+	sortmap["package"] = "testautogen"
+	sortmap["lock"] = "gitTagslock"
+	sortmap["Base"] = "GitTag"
+	sortmap["Bases"] = "GitTags"
 
-	header(f, "testautogen")
-	syncLock(f, "gitTagslock")
-	iterTop(f, "GitTag")
-	iterNext(f)
-	iterSort(f)
-	iterAppend(f)
-	iterEnd(f)
+	sortmap["base"] = "gitTag"
+	sortmap["sortBy"] = "ByPath"
+	sortmap["sortKey"] = "Refname"
+
+	header(f, sortmap)
+	syncLock(f, sortmap)
+	iterTop(f, sortmap)
+	iterNext(f, sortmap)
+	iterSort(f, sortmap)
+	iterAppend(f, sortmap)
+	iterEnd(f, sortmap)
 }
 
-func header(w io.Writer, name string) {
-	fmt.Fprintln(w, "package "+name)
+func header(w io.Writer, names map[string]string) {
+	fmt.Fprintln(w, "package "+names["package"])
 	fmt.Fprintln(w, "")
 	fmt.Fprintln(w, "// this is becoming a standard format")
 	fmt.Fprintln(w, "// todo: autogenerate this from the .proto file?")
@@ -44,23 +44,23 @@ func header(w io.Writer, name string) {
 	fmt.Fprintln(w, "")
 }
 
-func syncLock(w io.Writer, name string) {
+func syncLock(w io.Writer, names map[string]string) {
 	fmt.Fprintln(w, "// bad global lock until I figure out some other plan")
-	fmt.Fprintln(w, "var "+name+" sync.RWMutex")
+	fmt.Fprintln(w, "var "+names["lock"]+" sync.RWMutex")
 	fmt.Fprintln(w, "")
 }
 
-func iterTop(w io.Writer, name string) {
-	fmt.Fprintln(w, "type "+name+"Iterator struct {")
+func iterTop(w io.Writer, names map[string]string) {
+	fmt.Fprintln(w, "type "+names["Base"]+"Iterator struct {")
 	fmt.Fprintln(w, "	sync.RWMutex")
 	fmt.Fprintln(w, "")
-	fmt.Fprintln(w, "	packs []*"+name)
+	fmt.Fprintln(w, "	packs []*"+names["Base"])
 	fmt.Fprintln(w, "	index int")
 	fmt.Fprintln(w, "}")
 	fmt.Fprintln(w, "")
-	fmt.Fprintln(w, "// New"+name+"Iterator initializes a new iterator.")
-	fmt.Fprintln(w, "func New"+name+"Iterator(packs []*"+name+") *"+name+"Iterator {")
-	fmt.Fprintln(w, "	return &"+name+"Iterator{packs: packs}")
+	fmt.Fprintln(w, "// New"+names["Base"]+"Iterator initializes a new iterator.")
+	fmt.Fprintln(w, "func New"+names["Base"]+"Iterator(packs []*"+names["Base"]+") *"+names["Base"]+"Iterator {")
+	fmt.Fprintln(w, "	return &"+names["Base"]+"Iterator{packs: packs}")
 	fmt.Fprintln(w, "}")
 	fmt.Fprintln(w, "")
 	fmt.Fprintln(w, "// Scan moves to the next element and returns false if there are no more packs.")
@@ -70,7 +70,7 @@ func iterTop(w io.Writer, name string) {
 	fmt.Fprintln(w, "//		d := iterator.Next(")
 	fmt.Fprintln(w, "//		fmt.Println(\"found UUID:\", d.Uuid")
 	fmt.Fprintln(w, "//	}")
-	fmt.Fprintln(w, "func (it *"+name+"Iterator) Scan() bool {")
+	fmt.Fprintln(w, "func (it *"+names["Base"]+"Iterator) Scan() bool {")
 	fmt.Fprintln(w, "	if it.index >= len(it.packs) {")
 	fmt.Fprintln(w, "		return false")
 	fmt.Fprintln(w, "	}")
@@ -80,7 +80,7 @@ func iterTop(w io.Writer, name string) {
 	fmt.Fprintln(w, "")
 }
 
-func iterNext(w io.Writer) {
+func iterNext(w io.Writer, names map[string]string) {
 	fmt.Fprintln(w, "// Next() returns the next thing in the array")
 	fmt.Fprintln(w, "func (it *" + names["Base"] + "Iterator) Next() *" + names["Base"] + " {")
 	fmt.Fprintln(w, "	if it.packs[it.index-1] == nil {")
@@ -97,7 +97,7 @@ func iterNext(w io.Writer) {
 }
 
 
-func iterSort(w io.Writer) {
+func iterSort(w io.Writer, names map[string]string) {
 	fmt.Fprintln(w, "func (all *" + names["Bases"] + ") All() *" + names["Base"] + "Iterator {")
 	fmt.Fprintln(w, "	" + names["base"] + "Pointers := all.selectAll" + names["Base"] + "()")
 	fmt.Fprintln(w, "")
@@ -123,7 +123,7 @@ func iterSort(w io.Writer) {
 	fmt.Fprintln(w, "")
 }
 
-func iterEnd(w io.Writer) {
+func iterEnd(w io.Writer, names map[string]string) {
 	fmt.Fprintln(w, "type " + names["Base"] + "" + names["sortBy"] + " []*" + names["Base"] + "")
 	fmt.Fprintln(w, "")
 	fmt.Fprintln(w, "func (a " + names["Base"] + "" + names["sortBy"] + ") Len() int           { return len(a) }")
@@ -147,7 +147,7 @@ func iterEnd(w io.Writer) {
 	fmt.Fprintln(w, "")
 }
 
-func iterAppend(w io.Writer) {
+func iterAppend(w io.Writer, names map[string]string) {
 	fmt.Fprintln(w, "// enforces no duplicate Refname names")
 	fmt.Fprintln(w, "func (all *" + names["Bases"] + ") Append(newP *" + names["Base"] + ") bool {")
 	fmt.Fprintln(w, "	" + names["lock"] + ".Lock()")