From 55f737bd322fcdfbe7e1eba335ad75d26c364e68 Mon Sep 17 00:00:00 2001
From: Sebastiaan van Stijn <github@gone.nl>
Date: Mon, 26 Aug 2019 13:40:08 +0200
Subject: [PATCH] bump hashicorp/golang-lru v0.5.3

full diff: https://github.com/hashicorp/golang-lru/compare/v0.5.1...v0.5.3

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
---
 vendor.conf                                      |  2 +-
 vendor/github.com/hashicorp/golang-lru/go.mod    |  2 ++
 .../hashicorp/golang-lru/simplelru/lru.go        | 16 ++++++++++++++++
 .../golang-lru/simplelru/lru_interface.go        |  7 +++++--
 4 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/vendor.conf b/vendor.conf
index 4436c7397..3c3dfc18b 100644
--- a/vendor.conf
+++ b/vendor.conf
@@ -44,7 +44,7 @@ github.com/google/go-cmp v0.2.0
 go.etcd.io/bbolt v1.3.3
 github.com/hashicorp/errwrap v1.0.0
 github.com/hashicorp/go-multierror v1.0.0
-github.com/hashicorp/golang-lru v0.5.1
+github.com/hashicorp/golang-lru v0.5.3
 go.opencensus.io v0.22.0
 
 # cri dependencies
diff --git a/vendor/github.com/hashicorp/golang-lru/go.mod b/vendor/github.com/hashicorp/golang-lru/go.mod
index 824cb97e8..8ad8826b3 100644
--- a/vendor/github.com/hashicorp/golang-lru/go.mod
+++ b/vendor/github.com/hashicorp/golang-lru/go.mod
@@ -1 +1,3 @@
 module github.com/hashicorp/golang-lru
+
+go 1.12
diff --git a/vendor/github.com/hashicorp/golang-lru/simplelru/lru.go b/vendor/github.com/hashicorp/golang-lru/simplelru/lru.go
index 5673773b2..a86c8539e 100644
--- a/vendor/github.com/hashicorp/golang-lru/simplelru/lru.go
+++ b/vendor/github.com/hashicorp/golang-lru/simplelru/lru.go
@@ -73,6 +73,9 @@ func (c *LRU) Add(key, value interface{}) (evicted bool) {
 func (c *LRU) Get(key interface{}) (value interface{}, ok bool) {
 	if ent, ok := c.items[key]; ok {
 		c.evictList.MoveToFront(ent)
+		if ent.Value.(*entry) == nil {
+			return nil, false
+		}
 		return ent.Value.(*entry).value, true
 	}
 	return
@@ -142,6 +145,19 @@ func (c *LRU) Len() int {
 	return c.evictList.Len()
 }
 
+// Resize changes the cache size.
+func (c *LRU) Resize(size int) (evicted int) {
+	diff := c.Len() - size
+	if diff < 0 {
+		diff = 0
+	}
+	for i := 0; i < diff; i++ {
+		c.removeOldest()
+	}
+	c.size = size
+	return diff
+}
+
 // removeOldest removes the oldest item from the cache.
 func (c *LRU) removeOldest() {
 	ent := c.evictList.Back()
diff --git a/vendor/github.com/hashicorp/golang-lru/simplelru/lru_interface.go b/vendor/github.com/hashicorp/golang-lru/simplelru/lru_interface.go
index 74c707744..92d70934d 100644
--- a/vendor/github.com/hashicorp/golang-lru/simplelru/lru_interface.go
+++ b/vendor/github.com/hashicorp/golang-lru/simplelru/lru_interface.go
@@ -10,7 +10,7 @@ type LRUCache interface {
 	// updates the "recently used"-ness of the key. #value, isFound
 	Get(key interface{}) (value interface{}, ok bool)
 
-	// Check if a key exsists in cache without updating the recent-ness.
+	// Checks if a key exists in cache without updating the recent-ness.
 	Contains(key interface{}) (ok bool)
 
 	// Returns key's value without updating the "recently used"-ness of the key.
@@ -31,6 +31,9 @@ type LRUCache interface {
 	// Returns the number of items in the cache.
 	Len() int
 
-	// Clear all cache entries
+	// Clears all cache entries.
 	Purge()
+
+  // Resizes cache, returning number evicted
+  Resize(int) int
 }