Passing build info from scons to gradle RPM build (#627)

* groovy...passing build info from scons
* properties parser

.gitignore

@@ -20,3 +20,4 @@ earth_enterprise/tutorial/FusionTutorial/KML
 /*.creator.user
 /*.files
 /*.includes
+

earth_enterprise/SConstruct

@@ -26,6 +26,10 @@ EnsureSConsVersion(0, 96, 92)
 
 # process commandline arguments
 installdir = ARGUMENTS.get('installdir', '/tmp/fusion_os_install')
+with open('rpms/build.properties', 'w') as f:
+    print >> f, "## Auto-generated file from scons."
+    print >> f, "## Manual changes will be overwritten."
+    print >> f, str('staged=') + installdir.strip()
 
 installdir = Dir(installdir)
 def dir_cat(installdir, subdir1, subdir2):

earth_enterprise/rpms/.gitignore

@@ -1,2 +1,3 @@
 build
+build.properties
 .gradle

earth_enterprise/rpms/build.gradle

@@ -55,8 +55,18 @@ def openGeeVersion =
         it // The first string that remains is the version string.
     }
 
+def stagedInstall_path = '/tmp/fusion_os_install'
+if (new File('build.properties').exists()) {
+    def props = new Properties()
+    new File('build.properties').withInputStream {
+        props.load(it)
+    }
+    if(props["staged"]) {
+        stagedInstall_path = props["staged"]
+    }
+}
 
-def stagedInstallDir = new File('/tmp/fusion_os_install')
+def stagedInstallDir = new File(stagedInstall_path)
 def stagedInstallDir_common = new File(stagedInstallDir, 'common')
 def stagedInstallDir_common_opt = new File(stagedInstallDir, 'common/opt')
 def stagedInstallDir_common_user_magic =