From 10044b6749fc08fed83d89653a1acacbf792fa56 Mon Sep 17 00:00:00 2001
From: David Stephens <dave@force9.org>
Date: Sun, 26 Nov 2017 18:26:56 +0000
Subject: [PATCH] Switch to xxhash to save farmhash jiggery-pokery when
 initialising Docker image

---
 core/art.js  | 4 ++--
 package.json | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/core/art.js b/core/art.js
index 28657fc0..19e0bafe 100644
--- a/core/art.js
+++ b/core/art.js
@@ -14,7 +14,7 @@ const paths		= require('path');
 const assert	= require('assert');
 const iconv		= require('iconv-lite');
 const _			= require('lodash');
-const farmhash	= require('farmhash');
+const xxhash	= require('xxhash');
 
 exports.getArt							= getArt;
 exports.getArtFromPath					= getArtFromPath;
@@ -288,7 +288,7 @@ function display(client, art, options, cb) {
 	}
 
 	if(!options.disableMciCache) {		
-		artHash	= farmhash.hash32(art);
+		artHash	= xxhash.hash(new Buffer(art), 0xCAFEBABE);
 
 		//	see if we have a mciMap cached for this art
 		if(client.mciCache) {
diff --git a/package.json b/package.json
index 29bd16da..566a454d 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,6 @@
     "buffers": "NuSkooler/node-buffers",
     "bunyan": "^1.8.12",
     "exiftool": "^0.0.3",
-    "farmhash": "^2.0.4",
     "fs-extra": "^4.0.1",
     "graceful-fs": "^4.1.11",
     "hashids": "^1.1.1",
@@ -52,6 +51,7 @@
     "uuid": "^3.1.0",
     "uuid-parse": "^1.0.0",
     "ws": "^3.1.0",
+    "xxhash": "^0.2.4",
     "yazl" : "^2.4.2"
   },
   "devDependencies": {},