Build customization can be performed via a local-tvheadend.properties file, for example:
ie.macinnes.tvheadend.acraReportUri=https://crashreport.com/report/tvheadend
ie.macinnes.tvheadend.keystoreFile=keystore.jks
ie.macinnes.tvheadend.keystorePassword=MySecretPassword
ie.macinnes.tvheadend.keyAlias=My TVHeadend Key
ie.macinnes.tvheadend.keyPassword=MySecretPassword