preparePublication task requires project version to be set

libraries/build.gradle

@@ -10,13 +10,13 @@ buildscript {
     }
 }
 
-apply from: 'commonConfiguration.gradle'
-
 allprojects {
     group = 'org.jetbrains.kotlin'
     version = "$kotlin_version"
 }
 
+apply from: 'commonConfiguration.gradle'
+
 subprojects {
 
     repositories {

libraries/commonConfiguration.gradle

@@ -56,6 +56,7 @@ ext.manifestAttributes = { Manifest manifest, Project project, String component
 
 task preparePublication {
     def properties = project.properties
+    assert project.version != 'unspecified'
 
     Map<String, String> repositoryProviders = ['sonatype-nexus-staging' : 'sonatype', 'sonatype-nexus-snapshots' : 'sonatype']
     project.ext.isRelease = !project.version.toString().contains('-SNAPSHOT')

libraries/tools/gradle-tools/build.gradle

@@ -10,13 +10,13 @@ buildscript {
     }
 }
 
-apply from: "${kotlin_root}/libraries/commonConfiguration.gradle"
-
 allprojects {
     group = 'org.jetbrains.kotlin'
     version = "$kotlin_version"
 }
 
+apply from: "${kotlin_root}/libraries/commonConfiguration.gradle"
+
 subprojects {
     repositories {
         mavenCentral()