Merge pull request #853 from fintura/eval

Remove bad .eval implementation

index.js

@@ -6,7 +6,6 @@ var net = require("net"),
     Queue = require("./lib/queue"),
     to_array = require("./lib/to_array"),
     events = require("events"),
-    crypto = require("crypto"),
     parsers = [],
     // This static list of commands is updated from time to time.
     // ./lib/commands.js can be updated with generate_commands.js
@@ -1078,37 +1077,6 @@ RedisClient.prototype.multi = RedisClient.prototype.MULTI = function (args) {
     return new Multi(this, args);
 };
 
-// stash original eval method
-var eval_orig = RedisClient.prototype.eval;
-// hook eval with an attempt to evalsha for cached scripts
-RedisClient.prototype.eval = RedisClient.prototype.EVAL = function () {
-    var self = this,
-        args = to_array(arguments),
-        callback;
-
-    if (typeof args[args.length - 1] === "function") {
-        callback = args.pop();
-    }
-
-    if (Array.isArray(args[0])) {
-        args = args[0];
-    }
-
-    // replace script source with sha value
-    var source = args[0];
-    args[0] = crypto.createHash("sha1").update(source).digest("hex");
-
-    self.evalsha(args, function (err, reply) {
-        if (err && /NOSCRIPT/.test(err.message)) {
-            args[0] = source;
-            eval_orig.call(self, args, callback);
-
-        } else if (callback) {
-            callback(err, reply);
-        }
-    });
-};
-
 var createClient_unix = function(path, options){
     var cnxOptions = {
         path: path