From 380c51010be4cbbc498a9e6bdda0a15f98c004dd Mon Sep 17 00:00:00 2001
From: Justin Cormack <justin.cormack@docker.com>
Date: Mon, 25 Jan 2016 21:10:13 +0000
Subject: [PATCH] Read exactly 43 bytes from watch

More and it hangs forever at present
Less and it will not read whole record

See https://github.com/docker/pinata/issues/766

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
---
 alpine/packages/hupper/main.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/alpine/packages/hupper/main.go b/alpine/packages/hupper/main.go
index 1de436f59..ba0a81d2a 100644
--- a/alpine/packages/hupper/main.go
+++ b/alpine/packages/hupper/main.go
@@ -27,7 +27,8 @@ func main() {
 	if err != nil {
 		log.Fatalln("Failed to open file", path, err)
 	}
-	buf := make([]byte, 512)
+	// 43 bytes is the record size of the watch
+	buf := make([]byte, 43)
 	for {
 		_, err := watch.Read(buf)
 		if err != nil {