Bug#1003609: readlink: invalid option -- 'b' in /lib/lsb/init-functions.d/40-systemd

[Peter Palfrader]

On Wed, 12 Jan 2022, Michael Biebl wrote:

> Am 12.01.22 um 16:04 schrieb Peter Palfrader:
> > /lib/lsb/init-functions.d/40-systemd calls
> >    readlink -f "$executable"
> > which causes warnings if an executable starts with -, like in "-bash" when
> > /lib/lsb/init-functions is sourced from a login shell.
> > 
> > ] root at yukon:~# . /lib/lsb/init-functions
> > ] readlink: invalid option -- 'b'
> > ] Try 'readlink --help' for more information.
> > ] root at yukon:~#
> > 
> > This happens for instance with the slony init script:
> > 
> > | adns002:~# grep 'init-functions ' /etc/init.d/slony1
> > |                 su -c ". /lib/lsb/init-functions ; umask 027 ; start_daemon -p $(pidfile $1) $DAEMON -f $(conffile $1) -p $(pidfile $1) >>$(logfile $1) 2>&1 </dev/null &" - postgres
> 
> Oh my, not the prettiest way to start a daemon.
> Christoph, maybe this is actually better addressed on the slony1-2 side.

I completely agree that it should /also/ be addressed there, but
nevertheless, init-functions should be sourceable from login shells.

Cheers!

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