fix: expect string not boolean in template file.

Author: creynolds15

CHANGELOG.md

@@ -1,5 +1,8 @@
 # GCP Tamr VM module
 
+## v2.2.0 - May 1st 2023
+* Adjust condition in startup script to expect a string
+
 ## v2.2.0 - May 1st 2023
 * Following optional input variables now available
   * pre_install_bash

VERSION

@@ -1,2 +1 @@
-2.2.0
-
+2.2.1

templates/startup_script.sh.tmpl

@@ -17,7 +17,7 @@ EOF
 # check if tamr has been installed on the VM, if not download and install it
 if [[ ! -f ${tamr_home_directory}/tamr/start-unify.sh ]]; then
     # run any custom commands to prepare VM
-    %{ if pre_install_bash }
+    %{ if pre_install_bash != ""}
     ${pre_install_bash}
     %{ endif }
     # download tamr install