os.environ is special and copy.copy() doesn't do what we'd expect,
changes in the child object change the parent. copy.deepcopy() is
also known to have issues with it.
Use the dedicated .copy() method which will not influence the
parent. This fixes selftest failures where the DISPLAY variable
disappears.
Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
diff --git a/meta/lib/oeqa/utils/sshcontrol.py
b/meta/lib/oeqa/utils/sshcontrol.py
index 4f8d3d2..6ed48ba 100644
--- a/meta/lib/oeqa/utils/sshcontrol.py
+++ b/meta/lib/oeqa/utils/sshcontrol.py
@@ -10,7 +10,6 @@ import subprocess
import time
import os
import select
-import copy
class SSHProcess(object):
@@ -33,7 +32,7 @@ class SSHProcess(object):
self.logfile = None
# Unset DISPLAY which means we won't trigger SSH_ASKPASS
- env = copy.copy(os.environ)
+ env = os.environ.copy()
if "DISPLAY" in env:
del env['DISPLAY']
self.options['env'] = env
--
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