add a getBuildVersion helper

unotools/inc/unotools/bootstrap.hxx

@@ -61,6 +61,9 @@ namespace utl
         /// retrieve the BUILDID information item; uses the given default, if not found
         static rtl::OUString getBuildIdData(rtl::OUString const& _sDefault);
 
+        /// retrieve the BuildVersion information item; uses the given default, if not found
+        static rtl::OUString getBuildVersion(rtl::OUOUString const& _sDefault);
+
         /// reload cached data
         static void reloadData();
 

unotools/source/config/bootstrap.cxx

@@ -54,6 +54,7 @@
 #define BOOTSTRAP_ITEM_PRODUCT_SOURCE       "ProductSource"
 #define BOOTSTRAP_ITEM_VERSIONFILE          "Location"
 #define BOOTSTRAP_ITEM_BUILDID              "buildid"
+#define BOOTSTRAP_ITEM_BUILDVERSION         "BuildVersion"
 
 #define BOOTSTRAP_ITEM_BASEINSTALLATION     "BRAND_BASE_DIR"
 #define BOOTSTRAP_ITEM_USERINSTALLATION     "UserInstallation"
@@ -642,6 +643,17 @@ OUString Bootstrap::getProductSource(OUString const& _sDefault)
 }
 // ---------------------------------------------------------------------------------------
 
+OUString Bootstrap::getBuildVersion(OUString const& _sDefault)
+{
+    OUString const csBuildVersionItem(BOOTSTRAP_ITEM_BUILDVERSION);
+
+    OUString sBuildVersion;
+    // read ProductSource from version.ini (versionrc)
+    data().getVersionValue( csBuildVersionItem, sBuildVersion, _sDefault );
+    return sBuildVersion;
+}
+// ---------------------------------------------------------------------------------------
+
 OUString Bootstrap::getBuildIdData(OUString const& _sDefault)
 {
     OUString const csBuildIdItem(RTL_CONSTASCII_USTRINGPARAM(BOOTSTRAP_ITEM_BUILDID));