commit 2ab4529daad2fd133d91379ce94a297d037fd372
Author: Bryn M. Reeves <bmr@redhat.com>
Date:   Wed Dec 19 21:06:19 2012 +0000

    Preserve ownership and permission on copied files
    
    Preserve the ownership and permission information for collected
    files by using shutil.copy2 instead of copyfileobj() and calling
    os.chown() after copying.

diff --git a/sos/plugintools.py b/sos/plugintools.py
index 39b2368..ea29ea9 100644
--- a/sos/plugintools.py
+++ b/sos/plugintools.py
@@ -232,11 +232,9 @@ class PluginBase:
                 linkto = os.readlink(src)
                 os.symlink(linkto, new_fname)
             else:
-                fsrc = open(src,'r')
-                fdst = open(new_fname, 'w') 
-                shutil.copyfileobj(fsrc, fdst, -1)
-                fsrc.close()
-                fdst.close()
+                shutil.copy2(src, new_fname)
+                stat = os.stat(src)
+                os.chown(new_fname, stat.st_uid, stat.st_gid)
         else:
             raise PluginException('Error copying file: already exists')