move bash commands into external script

.travis.yml

@@ -38,15 +38,7 @@ addons:
     - curl
 script:
   - utils/packpack/startpackpack.sh
-    # TO-DO move the following to an external script file
+  - utils/packpack/installzm.sh
-  - if [ ${OS} == "ubuntu" ] && [ ${DIST} == "trusty" ]; then 
-    set -ev;
-    sudo gdebi --non-interactive build/zoneminder_*amd64.deb;
-    sudo chmod 644 /etc/zm/zm.conf; 
-    mysql -uzmuser -pzmpass zm < db/test.monitor.sql; 
-    sudo /usr/bin/zmpkg.pl start; 
-    sudo /usr/bin/zmfilter.pl -f purgewhenfull;
-    fi
 deploy:
   # Deploy packages to PackageCloud
   provider: packagecloud

utils/packpack/installzm.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# Required, so that Travis marks the build as failed if any of the steps below fail
+set -ev
+
+# Install and test the zoneminder package (only) for Ubuntu Trusty
+if [ ${OS} == "ubuntu" ] && [ ${DIST} == "trusty" ]; then 
+    sudo gdebi --non-interactive build/zoneminder_*amd64.deb
+    sudo chmod 644 /etc/zm/zm.conf 
+    mysql -uzmuser -pzmpass zm < db/test.monitor.sql
+    sudo /usr/bin/zmpkg.pl start
+    sudo /usr/bin/zmfilter.pl -f purgewhenfull
+fi
+