Hi,
m712 writes:
> On October 28, 2017 11:22:49 AM GMT+03:00, Rick Moen <r...@linuxmafia.com>
> wrote:
>>(But sure, fixing the runit-init package
>>would be a nice-to-have.)
> I have a proposal for this. Basically, have an install script which does
> something like this (I'm not familiar with the Debian packaging scripts so
> assume it's sh):
Install scripts should not assume anything wrt the shell they're using
when OR explicitly state what shell they expect (and where necessary add
an appropriate Pre-Depends). In practice, it's easier to fix your
install script to be /bin/sh compatible.
On Debian/Devuan, /bin/sh defaults to dash.
> # if upgrading, this doesn't run
> if [ "$(pgrep runit -o)" != "1" ]; then
> mv -f /sbin/shutdown{,.old}
> mv -f /sbin/reboot{,.old}
Those are bashisms and won't work with dash
olaf@quark:~$ /bin/sh
$ mv test{,.new}
mv: missing destination file operand after ‘test{,.new}’
Try 'mv --help' for more information.
So, stop trying to be smart ;-) and just say
mv -f /sbin/shutdown /sbin/shutdown.old
mv -f /sbin/reboot /sbin/reboot.old
or
for f in /sbin/shutdown /sbin/reboot; do
mv -f $f $f.old
done
or something.
Moreover, I think something like this would be better handled using
Debian's alternatives mechanism. See `man update-alternatives` for
details.
Hope this helps,
--
Olaf Meeuwissen, LPIC-2 FSF Associate Member since 2004-01-27
GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13 F43E B8A4 A88A F84A 2DD9
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