IDEA-128621 auto set version and since-build

build/scripts/layouts.gant

@@ -666,6 +666,15 @@ public def layoutCommunityPlugins(String home, boolean maySkipAndroidPlugin = fa
   }
 }
 
+def setPluginVersionAndSince(String moduleName, String version) {
+  def file = new File(projectBuilder.moduleOutput(findModule(moduleName)) + "/META-INF/plugin.xml")
+  if (file.isFile()) {
+    def text = file.text
+    if (!text.contains("<version>")) {
+      file.text = text.replace("</id>", "</id>\n  <version>${version}</version>\n  <idea-version since-build=\"${version}\" until-build=\"${version}\"/>\n")
+    }
+  }
+}
 
 def layoutPlugin(String moduleName) {
   layoutPlugin(moduleName, moduleName, {})
@@ -697,6 +706,8 @@ def layoutPlugin(String pluginName, String moduleName, String jarName, Closure c
     return
   }
 
+  setPluginVersionAndSince(moduleName, requireProperty("buildNumber", requireProperty("build.number", snapshot)))
+
   dir(pluginName) {
     dir("lib") {
       jar("${jarName}.jar") {

plugins/settings-repository/resources/META-INF/plugin.xml

@@ -5,8 +5,6 @@
   <p>Supports sharing settings between installations of IntelliJ Platform based products used by the same developer (or team) on different computers.</p>
   <p>Synchronization is performed automatically after successful completion of "Update Project" or "Push" actions. Also you can do sync using VCS -> Sync Settings.</p>
   <p>See <a href="https://github.com/develar/settings-repository">project page</a> for more info.</p>]]></description>
-  <version>999.999</version>
-  <idea-version since-build="142.4255" until-build="143.0"/>
   <vendor>JetBrains</vendor>
 
   <!-- otherwise plugin will be not loaded in tests -->