KC-1802: Workaround for init script issue affecting Gradle 7.1 and newer

build.gradle

@@ -106,9 +106,9 @@ ext {
   skipSigning = project.hasProperty('skipSigning') && skipSigning.toBoolean()
   shouldSign = !skipSigning && !version.endsWith("SNAPSHOT") && !version.contains("-alpha") && !version.matches("[0-9]*\\.[0-9]*\\.[0-9]*-[0-9]*-(ccs|ce)")
 
-  mavenUrl = project.hasProperty('mavenUrl') ? project.mavenUrl : ''
-  mavenUsername = project.hasProperty('mavenUsername') ? project.mavenUsername : ''
-  mavenPassword = project.hasProperty('mavenPassword') ? project.mavenPassword : ''
+  mavenUrl = propertyOrElse(project, 'mavenUrl', '')
+  mavenUsername = propertyOrElse(project, 'mavenUsername', '')
+  mavenPassword = propertyOrElse(project, 'mavenPassword', '')
 
   userShowStandardStreams = project.hasProperty("showStandardStreams") ? showStandardStreams : null
 
@@ -190,6 +190,16 @@ def determineCommitId() {
   }
 }
 
+def propertyOrElse(project, propertyName, defaultValue) {
+  if (project.hasProperty(propertyName))
+    project.property(propertyName)
+  // Workaround for KC-1802, system properties set by init scripts are not included
+  // in project properties since Gradle 7.1. This can be removed once we update the
+  // packaging code to set credentials via a gradle.properties file instead.
+  else
+    System.getProperty("org.gradle.project.$propertyName", defaultValue)
+}
+
 apply from: file('wrapper.gradle')
 
 if (file('.git').exists()) {