Add lazy files count.

install/cl_distr.py

@@ -418,7 +418,8 @@ class Distributive(object):
         d["name"] = dv.Get('os_linux_shortname')
         d['ver'] = dv.Get('os_linux_ver')
         d['build'] = dv.Get('os_linux_build')
-        d['filesnum'] = dv.Get('os_linux_filesnum')
+        # make lazy call
+        d['filesnum'] = partial(dv.Get,'os_linux_filesnum')
         return d.copy()
 
     def getInfo(self,filename=None):

install/variables/linux.py

@@ -31,7 +31,9 @@ class InstallLinux(Linux):
             image = self.Get('cl_image')
             if image:
                 d = image.getInfo()
-                return d.get(field,"")
+                # support lazy values
+                res = d.get(field,"")
+                return res() if callable(res) else res
             else:
                 return ""
         else: