Remove duplicate entries from special variables processed by env_update() (bug #17219...

svn path=/main/branches/2.1.2.9/; revision=7447

diff --git a/pym/portage.py b/pym/portage.py
index 167460f8377b2fbeac03690092d26102787074f9..ea1f820e7ebf743f291c968c47eef75df104b60f 100644 (file)
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -595,7 +595,9 @@ def env_update(makelinks=1, target_root=None, prev_mtimes=None, contents=None):
                mylist = []
                for myconfig in config_list:
                        if var in myconfig:
-                               mylist.extend(filter(None, myconfig[var].split()))
+                               for item in myconfig[var].split():
+                                       if item and not item in mylist:
+                                               mylist.append(item)
                                del myconfig[var] # prepare for env.update(myconfig)
                if mylist:
                        env[var] = " ".join(mylist)
@@ -605,7 +607,9 @@ def env_update(makelinks=1, target_root=None, prev_mtimes=None, contents=None):
                mylist = []
                for myconfig in config_list:
                        if var in myconfig:
-                               mylist.extend(filter(None, myconfig[var].split(":")))
+                               for item in myconfig[var].split(":"):
+                                       if item and not item in mylist:
+                                               mylist.append(item)
                                del myconfig[var] # prepare for env.update(myconfig)
                if mylist:
                        env[var] = ":".join(mylist)