Daniel Markstedt:
Package: debhelper Version: 13.20 Severity: importantDear maintainers, I'm doing packaging for a project that has multiple packages, each with one systemd unit file. The dh_installsystemd debhelper picks up on the unit files and start processing them, but soon hits an error where it tries to process a unit file for package A that belongs to package B. This is a debuild log snippet leading up to the error: make[1]: Leaving directory '/home/dmark/salsa/netatalk'dh_installchangelogs -O--buildsystem=meson+ninja dh_installman -O--buildsystem=meson+ninja dh_installinit -O--buildsystem=meson+ninja dh_installsystemd -O--buildsystem=meson+ninja dh_installsystemd: error: Package 'a2boot' does not install unit 'atalkd.service'. make: *** [debian/rules:11: binary] Error 25 dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2 debuild: fatal error at line 1182: dpkg-buildpackage -us -uc -ui -i -I failed The corresponding debian/rules file looks like this: https://salsa.debian.org/netatalk-team/netatalk/-/blob/debian/latest/debian/rules As you can see, the upstream build system generates the unit files, which we then move into debian/ in an override in order for dh_installsystemd to pick them up. The end result lineup of files is correct to my best understanding of dh_installsystemd. A snippet from the top: [...] Do you have any idea if we are making some kind of mistake in our setup, or if this is a bug in the debhelper script? Right now we have a dirty workaround – 'dh_installsystemd || true' to ignore any error. The resulting packages look correct! Your support would be hugely appreciated. Sincerely, Daniel
Hi DanielThis is an explicit design choice related to `Also=` in systemd files. The dh_installsystemd code has the following remark related to `Also=`.
# Handle all unit files specified via Also= explicitly. This # is not necessary for enabling, but for disabling, as we # cannot read the unit file when disabling as it has already # been deleted. The undocumented --no-also option disables # handling of units linked via Also=. This option is provided # only to suport a very specific use case in network-manager.So this problem occurs because `a2boot.service` has a `Also=atalkd.service` line in it (https://salsa.debian.org/netatalk-team/netatalk/-/blob/debian/latest/distrib/initscripts/systemd.a2boot.service.in#L19).
I am not the strongest on systemd services and why this feature is needed. If the above does not answer your questions, I recommend CC'ing Luca Boccassi <bl...@debian.org> and asking them to clarify the situation and how to handle it.
As noted, there is an undocumented `--no-also` option that disables this check. But I do not know what breaks if you use it, so I would not recommend using it without double checking with Luca first.
Best regards, Niels
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