common.py: Add a check for $JOURNAL_STREAM.

On the desktop's terminal window (systemd 256) $SYSTEMD_EXEC_PID exists
and points at the login(1) process, so checking $JOURNAL_STREAM is
needed to decide whether the process runs from a .service file or not.

This is due to an incomplete logic in
42cfe748e23bad6fc51b14a3e5896a77fdb5c1d5

1 files changed, 1 insertions, 1 deletions

diff --git a/common.py b/common.py
index 88a0f4d..e1c13ab 100644
--- a/common.py
+++ b/common.py
@@ -32,7 +32,7 @@ def init_logger(app=__file__, level=logging.WARNING):
     log = logging.getLogger()
     log.setLevel(level)
 
-    if os.getenv('SYSTEMD_EXEC_PID', None) is None:
+    if os.getenv('SYSTEMD_EXEC_PID', None) is None or os.getenv('JOURNAL_STREAM', None) is None:
         ch = logging.StreamHandler()
     else:
         # started in systemd, use journald for filtering incl. coloring