From 71d9708097f568e76a4f5ed91b9cc4385203f068 Mon Sep 17 00:00:00 2001
From: Mark Bates <mark@markbates.com>
Date: Fri, 2 Aug 2019 14:51:09 -0400
Subject: [PATCH] leave by 9

---
 index.go     | 12 +++----
 infos_map.go | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 104 insertions(+), 7 deletions(-)
 create mode 100644 infos_map.go

diff --git a/index.go b/index.go
index acdb95d..5466602 100644
--- a/index.go
+++ b/index.go
@@ -14,13 +14,14 @@ import (
 
 type index struct {
 	Files   *filesMap
-	Infos   map[string]here.Info
+	Infos   *infosMap
 	current here.Info
 	once    sync.Once
 }
 
 func (i *index) Info(p string) (here.Info, error) {
-	if info, ok := i.Infos[p]; ok {
+	info, ok := i.Infos.Load(p)
+	if ok {
 		return info, nil
 	}
 
@@ -28,14 +29,11 @@ func (i *index) Info(p string) (here.Info, error) {
 	if err != nil {
 		return info, err
 	}
-	i.Infos[p] = info
+	i.Infos.Store(p, info)
 	return info, nil
 }
 
 func (i *index) Current() (here.Info, error) {
-	if !i.current.IsZero() {
-		return i.current, nil
-	}
 	var err error
 	i.once.Do(func() {
 		i.current, err = here.Cache("", func(string) (here.Info, error) {
@@ -183,7 +181,7 @@ func (i index) openDisk(pt Path) (*File, error) {
 func newIndex() *index {
 	return &index{
 		Files: &filesMap{},
-		Infos: map[string]here.Info{},
+		Infos: &infosMap{},
 	}
 }
 
diff --git a/infos_map.go b/infos_map.go
new file mode 100644
index 0000000..ce3b576
--- /dev/null
+++ b/infos_map.go
@@ -0,0 +1,99 @@
+// Code generated by github.com/gobuffalo/mapgen. DO NOT EDIT.
+
+package pkger
+
+import (
+	"sort"
+	"sync"
+
+	"github.com/gobuffalo/here"
+)
+
+// infosMap wraps sync.Map and uses the following types:
+// key:   string
+// value: here.Info
+type infosMap struct {
+	data *sync.Map
+	init sync.Once
+}
+
+func (m *infosMap) Data() *sync.Map {
+	m.init.Do(func() {
+		if m.data == nil {
+			m.data = &sync.Map{}
+		}
+	})
+	return m.data
+}
+
+// Delete the key from the map
+func (m *infosMap) Delete(key string) {
+	m.Data().Delete(key)
+}
+
+// Load the key from the map.
+// Returns here.Info or bool.
+// A false return indicates either the key was not found
+// or the value is not of type here.Info
+func (m *infosMap) Load(key string) (here.Info, bool) {
+	i, ok := m.Data().Load(key)
+	if !ok {
+		return here.Info{}, false
+	}
+	s, ok := i.(here.Info)
+	return s, ok
+}
+
+// LoadOrStore will return an existing key or
+// store the value if not already in the map
+func (m *infosMap) LoadOrStore(key string, value here.Info) (here.Info, bool) {
+	i, _ := m.Data().LoadOrStore(key, value)
+	s, ok := i.(here.Info)
+	return s, ok
+}
+
+// LoadOr will return an existing key or
+// run the function and store the results
+func (m *infosMap) LoadOr(key string, fn func(*infosMap) (here.Info, bool)) (here.Info, bool) {
+	i, ok := m.Load(key)
+	if ok {
+		return i, ok
+	}
+	i, ok = fn(m)
+	if ok {
+		m.Store(key, i)
+		return i, ok
+	}
+	return i, false
+}
+
+// Range over the here.Info values in the map
+func (m *infosMap) Range(f func(key string, value here.Info) bool) {
+	m.Data().Range(func(k, v interface{}) bool {
+		key, ok := k.(string)
+		if !ok {
+			return false
+		}
+		value, ok := v.(here.Info)
+		if !ok {
+			return false
+		}
+		return f(key, value)
+	})
+}
+
+// Store a here.Info in the map
+func (m *infosMap) Store(key string, value here.Info) {
+	m.Data().Store(key, value)
+}
+
+// Keys returns a list of keys in the map
+func (m *infosMap) Keys() []string {
+	var keys []string
+	m.Range(func(key string, value here.Info) bool {
+		keys = append(keys, key)
+		return true
+	})
+	sort.Strings(keys)
+	return keys
+}