Hi friendly people of guix,
I have a custom package (definition below) which wraps a single
python script. This has worked well, but I noticed that since I ran
guix pull and reconfigured my system at the end of january, my python
script doesn't get the right shebang anymore.
Where my python script used to get a shebang like
#!/gnu/store/...-python-wrapper-3.11.14/bin/python
It's now just
#!python
which doesn't work.
My python package still uses a setup.py. I also wrap the executable
script using 'wrap-program' to set a few environment variables,
perhaps this has an impact?
During the build, it looks like patch-shebangs is working as
intended, from the output:
patch-shebang: ./listen_dbus.py: changing `/usr/bin/python' to
`/gnu/store/81l90y4w90wf8c5gj0042x3pikadzchm-python-wrapper-3.11.14/bin/python'
but it seems that during one of the next phases, the shebang is
changed again (could this be related to wrap-program?). I noticed
that there is now also 'wrap-script', which looks like what I need
when I read the documentation. However, if I change my package to
use wrap-script, the build fails with an exception
“no-interpreter-found”
thank you for reading this far!
Thomas
(define-public backup-daemon
(package
(name "backup-daemon")
(version "1.0")
(source (local-file "./backup-daemon" #:recursive? #t))
(build-system python-build-system)
(inputs
`(("rsnapshot" ,rsnapshot)
("python-dbus" ,python-dbus)
("python-pygobject" ,python-pygobject)
("glib" ,glib)))
(arguments
`(#:tests? #f
#:phases
(modify-phases %standard-phases
(add-after 'install 'wrap-executable
(lambda* (#:key inputs outputs #:allow-other-keys)
(let ((out (assoc-ref outputs "out"))
(rsnapshot (assoc-ref inputs "rsnapshot"))
(glib (assoc-ref inputs "glib")))
(wrap-program (string-append out
"/bin/listen_dbus.py")
`("PATH" ":" prefix
(,(string-append rsnapshot "/bin")))
`("GI_TYPELIB_PATH" ":" prefix
(,(string-append glib
"/lib/girepository-1.0"))))))))))
(synopsis "Script to make weekly/monthly/yearly rsnapshot
backups")
(description "The backup daemon takes a config file for rsnapshot,
a partition UUID, and a backup directory as command line arguments.
When started, it listens for DBus signals from UDisks to detect if a
partition with the correct UUID is mounted. When the desired
partition is mounted, it runs rsnapshot with the given
configuration.")
(home-page "file:///home/thomas")
(license license:gpl3+)))
