Initscript migration to systemd: triggerun called on downgrade

Bill Nottingham notting at
Thu Sep 1 19:08:02 UTC 2011

Petr Pisar (ppisar at said: 
> I'm migrating quota_nld service (provided by quota_nld subpackage of
> quota spec) to systemd.
> Offical howto <> recommends:
> %triggerun -- httpd < 1.0-2
> # Save the current service runlevel info
> [...]
> where `httpd < 1.0-2' are httpd packages older then 1.0-2 under
> uninstallation and `1.0-2' is first httpd version with systemd support.
> I modifed quota accoding this how-to, build a package (everything
> locally) and I play with upgrades/downgrades between current F17 version
> and this new one.
> Everything works except the triggerun script is called even if doing
> downgrade. Is it intentional and I do not understand triggers, or is it
> a bug in RPM?

The above triggerun would be called on any uninstallation of httpd less
than 1.0-2, whether you're upgrading or downgrading.


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