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-rw-r--r--pym/_emerge/__init__.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index 1b5de6641..65de5aeea 100644
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -8842,7 +8842,9 @@ def validate_ebuild_environment(trees):
def load_emerge_config(trees=None):
kwargs = {}
for k, envvar in (("config_root", "PORTAGE_CONFIGROOT"), ("target_root", "ROOT")):
- kwargs[k] = os.environ.get(envvar, None)
+ v = os.environ.get(envvar, None)
+ if v and v.strip():
+ kwargs[k] = v
trees = portage.create_trees(trees=trees, **kwargs)
for root, root_trees in trees.iteritems():