Hello,
the package rdiff-backup can't find ps if it is used in timers:
--8<---------------cut here---------------start------------->8---
2025-06-08 11:15:09 localhost shepherd[1]: Timer 'backup' spawned process 11779.
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] Traceback (most
recent call last):
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/fhzcy6lq1kgz3l40xmn493jjs1nl04f7-rdiff-backup-2.2.6/bin/.rdiff-backup-real",
line>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
sys.exit(load_entry_point('rdiff-backup==2.2.6', 'console_scripts',
'rdiff-backup')())
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/fhzcy6lq1kgz3l40xmn493jjs1nl04f7-rdiff-backup-2.2.6/lib/python3.11/site-packages/>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
sys.exit(main_run(sys.argv[1:]))
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
^^^^^^^^^^^^^^^^^^^^^^
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/fhzcy6lq1kgz3l40xmn493jjs1nl04f7-rdiff-backup-2.2.6/lib/python3.11/site-packages/>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] ret_val |=
conn_act.setup()
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
^^^^^^^^^^^^^^^^
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/fhzcy6lq1kgz3l40xmn493jjs1nl04f7-rdiff-backup-2.2.6/lib/python3.11/site-packages/>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] ret_code =
self.repo.setup(self.dir, owners_map=owners_map,
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/fhzcy6lq1kgz3l40xmn493jjs1nl04f7-rdiff-backup-2.2.6/lib/python3.11/site-packages/>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] lock_result =
self.lock()
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
^^^^^^^^^^^
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/fhzcy6lq1kgz3l40xmn493jjs1nl04f7-rdiff-backup-2.2.6/lib/python3.11/site-packages/>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] return
self._shadow.lock(self.lockfile, self.must_be_writable)
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/fhzcy6lq1kgz3l40xmn493jjs1nl04f7-rdiff-backup-2.2.6/lib/python3.11/site-packages/>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] 'cmd':
simpleps.get_pid_name(pid),
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/fhzcy6lq1kgz3l40xmn493jjs1nl04f7-rdiff-backup-2.2.6/lib/python3.11/site-packages/>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] output =
subprocess.run(
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
^^^^^^^^^^^^^^^
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/xk9rvp232a2kdjmm20c0bks3x3wjpi4n-python-3.11.11/lib/python3.11/subprocess.py",
li>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] with
Popen(*popenargs, **kwargs) as process:
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/xk9rvp232a2kdjmm20c0bks3x3wjpi4n-python-3.11.11/lib/python3.11/subprocess.py",
li>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup]
self._execute_child(args, executable, preexec_fn, close_fds,
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] File
"/gnu/store/xk9rvp232a2kdjmm20c0bks3x3wjpi4n-python-3.11.11/lib/python3.11/subprocess.py",
li>
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] raise
child_exception_type(errno_num, err_msg, err_filename)
2025-06-08 11:15:10 localhost shepherd[1]: [rdiff-backup] FileNotFoundError:
[Errno 2] No such file or directory: 'ps'
--8<---------------cut here---------------end--------------->8---
I confirmed this with a clean container in Guix Home that is only
prepared with a timer calling it.
Adding python-psutil solves this. Therefor I recommend adding it to
the input list.
Kind regards
--
Simon
