I’m using NixOS 22.05 and backintime
fails on launch. Here is the output:
~ ❯ backintime-qt
Back In Time
Version: 1.3.2
Back In Time comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions; type `backintime --license' for details.
Traceback (most recent call last):
File "/nix/store/1cky5fy5w35wzdgdmjn8ll89h3b077w8-python3-3.9.13-env/lib/python3.9/site-packages/dbus/bus.py", line 177, in activate_name_owner
return self.get_name_owner(bus_name)
File "/nix/store/1cky5fy5w35wzdgdmjn8ll89h3b077w8-python3-3.9.13-env/lib/python3.9/site-packages/dbus/bus.py", line 361, in get_name_owner
return self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
File "/nix/store/1cky5fy5w35wzdgdmjn8ll89h3b077w8-python3-3.9.13-env/lib/python3.9/site-packages/dbus/connection.py", line 652, in call_blocking
reply_message = self.send_message_with_reply_and_block(
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name 'net.launchpad.backintime.serviceHelper': no such name
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/nix/store/0g52wxdnzxjhd1fvqpj8irwfhvjy4xir-backintime-qt-1.3.2/share/backintime/qt/app.py", line 1592, in <module>
cfg = backintime.startApp('backintime-qt')
File "/nix/store/h66zqlqn4zy8fnbcz8j37pi00gfn4bxp-backintime-common-1.3.2/lib/python3.9/site-packages/backintime/common/backintime.py", line 521, in startApp
return getConfig(args, False)
File "/nix/store/h66zqlqn4zy8fnbcz8j37pi00gfn4bxp-backintime-common-1.3.2/lib/python3.9/site-packages/backintime/common/backintime.py", line 669, in getConfig
cfg = config.Config(config_path = args.config, data_path = args.share_path)
File "/nix/store/h66zqlqn4zy8fnbcz8j37pi00gfn4bxp-backintime-common-1.3.2/lib/python3.9/site-packages/backintime/common/config.py", line 280, in __init__
self.setupUdev = tools.SetupUdev()
File "/nix/store/h66zqlqn4zy8fnbcz8j37pi00gfn4bxp-backintime-common-1.3.2/lib/python3.9/site-packages/backintime/common/tools.py", line 1722, in __init__
conn = bus.get_object(SetupUdev.CONNECTION, SetupUdev.OBJECT)
File "/nix/store/1cky5fy5w35wzdgdmjn8ll89h3b077w8-python3-3.9.13-env/lib/python3.9/site-packages/dbus/bus.py", line 241, in get_object
return self.ProxyObjectClass(self, bus_name, object_path,
File "/nix/store/1cky5fy5w35wzdgdmjn8ll89h3b077w8-python3-3.9.13-env/lib/python3.9/site-packages/dbus/proxies.py", line 250, in __init__
self._named_service = conn.activate_name_owner(bus_name)
File "/nix/store/1cky5fy5w35wzdgdmjn8ll89h3b077w8-python3-3.9.13-env/lib/python3.9/site-packages/dbus/bus.py", line 182, in activate_name_owner
self.start_service_by_name(bus_name)
File "/nix/store/1cky5fy5w35wzdgdmjn8ll89h3b077w8-python3-3.9.13-env/lib/python3.9/site-packages/dbus/bus.py", line 277, in start_service_by_name
return (True, self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
File "/nix/store/1cky5fy5w35wzdgdmjn8ll89h3b077w8-python3-3.9.13-env/lib/python3.9/site-packages/dbus/connection.py", line 652, in call_blocking
reply_message = self.send_message_with_reply_and_block(
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ExecFailed: Cannot launch daemon, file not found or permissions invalid
WARNING: import keyring failed
In the wiki of ubunutuuser.de there is a launch problem mentioned that can be overcome by changing line 1805 of /usr/share/backintime/common/tools.py
from class OrderedSet(collections.MutableSet):
to class OrderedSet(collections.abc.MutableSet)
.
However, i don’t know if this is the problem in my case and if it’s applicable to NixOS. Any help is appreciated.