Make errors.handle handle EISDIR and ENOENT

lib/actions/keys.coffee

@@ -40,16 +40,4 @@ exports.add = permissions.user (params) ->
 			key = key.trim()
 			resin.models.key.create(params.name, key, callback)
 
-	], (error) ->
-		return if not error?
-
-		# TODO: Make handle() check the error type
-		# and accomodate as most as possible to prevent
-		# this types of checks in client code.
-		if error.code is 'EISDIR'
-			error.message = "File is a directory: #{error.path}"
-
-		if error.code is 'ENOENT'
-			error = new Error("File not found: #{error.path}")
-
-		errors.handle(error)
+	], errors.handle

lib/errors/errors.coffee

@@ -7,7 +7,13 @@ exports.handle = (error, exit = true) ->
 	if process.env.DEBUG
 		log.error(error.stack)
 	else
-		if error.message?
+		if error.code is 'EISDIR'
+			log.error("File is a directory: #{error.path}")
+
+		else if error.code is 'ENOENT'
+			log.error("No such file or directory: #{error.path}")
+
+		else if error.message?
 			log.error(error.message)
 
 	if _.isNumber(error.exitCode)

lib/errors/errors.spec.coffee

@@ -61,3 +61,19 @@ describe 'Errors:', ->
 				expect(logErrorStub).to.have.been.calledOnce
 				expect(logErrorStub).to.have.been.calledWith(error.stack)
 				delete process.env.DEBUG
+
+		it.only 'should handle EISDIR', ->
+			error = new Error()
+			error.code = 'EISDIR'
+			error.path = 'hello'
+			checkProcessExitOption error, false, (processExitStub, logErrorStub) ->
+				expect(logErrorStub).to.have.been.calledOnce
+				expect(logErrorStub).to.have.been.calledWith('File is a directory: hello')
+
+		it.only 'should handle ENOENT', ->
+			error = new Error()
+			error.code = 'ENOENT'
+			error.path = 'hello'
+			checkProcessExitOption error, false, (processExitStub, logErrorStub) ->
+				expect(logErrorStub).to.have.been.calledOnce
+				expect(logErrorStub).to.have.been.calledWith('No such file or directory: hello')