#!/bin/bash

git pull

if [ "$1" = "cold" ]; then
  docker build -t crystallizer .
fi

sh run.sh

#!/bin/bash

git pull

if [ "$1" == "cold" ]; then
  docker build -t crystallizer .
fi

sh run.sh

--- 
+++ 
@@ -2,7 +2,7 @@
 
 git pull
 
-if [ "$1" = "cold" ]; then
+if [ "$1" == "cold" ]; then
   docker build -t crystallizer .
 fi
 
Fix bash script to work with ubuntu.
