[arch-general] What update left mandb scrambled?

[Ralf Mardorf]

On Tue, 2019-02-26 at 13:43 +0100, Ralf Mardorf wrote:
> On Tue, 2019-02-26 at 14:33 +0200, Edvinas Valatka via arch-general
> wrote:
> > On Tue, Feb 26, 2019 at 8:57 AM David C. Rankin
> > <drankinatty at suddenlinkmail.com> wrote:
> > > This was odd,
> > > 
> > >  $ apropos memcmp
> > > memcmp: nothing appropriate.
> > > 
> > >  In fact, no man pages were available (checked 2 arch installs). I ended up
> > > having to rebuild the database with 'mandb' and now all is well.
> > > 
> > >  My question is -- what did this? It must have occurred in the last couple of
> > > days.
> > > 
> > After https://git.archlinux.org/svntogit/packages.git/commit/trunk?h=packages/man-db&id=a296a036a34944f714488f43bf576cca58bda604
> > , you have to manualy enable man-db.timer
> 
> Seemingly not ;), see
> 
> [rocketmouse at archlinux ~]$ systemctl status man-db.service
> ● man-db.service - Daily man-db regeneration
>    Loaded: loaded (/usr/lib/systemd/system/man-db.service; static; vendor preset: disabled)
>    Active: inactive (dead)
>      Docs: man:mandb(8)
> [rocketmouse at archlinux ~]$ sudo systemctl enable man-db.service
> [sudo] password for rocketmouse: 
> The unit files have no installation config (WantedBy=, RequiredBy=, Also=,
> Alias= settings in the [Install] section, and DefaultInstance= for template
> units). This means they are not meant to be enabled using systemctl.
>  
> Possible reasons for having this kind of units are:
> • A unit may be statically enabled by being symlinked from another unit's
>   .wants/ or .requires/ directory.
> • A unit's purpose may be to act as a helper for some other unit which has
>   a requirement dependency on it.
> • A unit may be started when needed via activation (socket, path, timer,
>   D-Bus, udev, scripted systemctl call, ...).
> • In case of template units, the unit is meant to be enabled with some
>   instance name specified.

My apologies. it's "timer" not "service" :D.

[rocketmouse at archlinux ~]$ systemctl status man-db.timer
● man-db.timer - Daily man-db regeneration
   Loaded: loaded (/usr/lib/systemd/system/man-db.timer; disabled; vendor preset: disabled)
   Active: inactive (dead)
  Trigger: n/a
     Docs: man:mandb(8)
[rocketmouse at archlinux ~]$ sudo systemctl enable man-db.timer
Created symlink /etc/systemd/system/timers.target.wants/man-db.timer → /usr/lib/systemd/system/man-db.timer.
[rocketmouse at archlinux ~]$ systemctl status man-db.timer
● man-db.timer - Daily man-db regeneration
   Loaded: loaded (/usr/lib/systemd/system/man-db.timer; enabled; vendor preset: disabled)
   Active: inactive (dead)
  Trigger: n/a
     Docs: man:mandb(8)