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-rw-r--r--pym/portage/__init__.py15
1 files changed, 11 insertions, 4 deletions
diff --git a/pym/portage/__init__.py b/pym/portage/__init__.py
index 7630c2ff1..ed07bca12 100644
--- a/pym/portage/__init__.py
+++ b/pym/portage/__init__.py
@@ -2102,16 +2102,23 @@ class config(object):
env_configdict = self.configdict["env"]
pkg_configdict = self.configdict["pkg"]
previous_iuse = pkg_configdict.get("IUSE")
- pkg_configdict.clear()
+
+ aux_keys = [k for k in auxdbkeys \
+ if not k.startswith("UNUSED_")]
+ aux_keys.append("repository")
+
+ # Discard any existing metadata from the previous package, but
+ # preserve things like USE_EXPAND values and PORTAGE_USE which
+ # might be reused.
+ for k in aux_keys:
+ pkg_configdict.pop(k, None)
+
pkg_configdict["CATEGORY"] = cat
pkg_configdict["PF"] = pf
if mydb:
if not hasattr(mydb, "aux_get"):
pkg_configdict.update(mydb)
else:
- aux_keys = [k for k in auxdbkeys \
- if not k.startswith("UNUSED_")]
- aux_keys.append("repository")
for k, v in izip(aux_keys, mydb.aux_get(self.mycpv, aux_keys)):
pkg_configdict[k] = v
repository = pkg_configdict.pop("repository", None)