Re: Announcing shepherd-run

[Efraim Flashner <efraim@flashner.co.il>]

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On Mon, Nov 04, 2024 at 11:34:50PM +0100, Ludovic Courtès wrote:
> Hello,
> 
> Efraim Flashner <efraim@flashner.co.il> skribis:
> 
> > On Sun, Nov 03, 2024 at 04:57:09PM +0100, Denis 'GNUtoo' Carikli wrote:
> >> Hi,
> >> 
> >> On Sun, 3 Nov 2024 15:19:04 +0200
> >> Efraim Flashner <efraim@flashner.co.il> wrote:
> >> 
> >> > Announcing the initial release of shepherd-run!
> >> > 
> >> > Do you have experience with systemd and systemd-run? Do you wish you
> >> > were able to quickly and easily add a simple service to your (user or
> >> > system) shepherd instance?
> >> > 
> >> > Using the finest technologies from the 70's, written in gawk, I
> >> > present shepherd-run!
> 
> An interesting blend of technologies from the 70’s.  :-)
> 
> >> Is there any plans to integrate that with Guix and Shepherd later on?
> >
> > If it proves to be useful I could see re-writing it in guile so it can
> > be part of shepherd directly.
> 
> Shepherd 1.0-to-be (current ‘devel’ branch) gained a generic ‘timer’
> service that does the job the ‘at’ command would do back in the day
> (before the advent of CD-ROM and the information superhighway):
> 
>   herd schedule timer at 07:00 -- mpg123 alarm.mp3
> 
> We’re talking about something quite similar, just not delayed, right?

systemd-run has a --timer flag, and I could see adding a flag for
shepherd-run after shepherd 1.0.

To me the big thing systemd-run brought was being able to launch
programs from the shell and have it show up in `systemctl --user
services`, and I'd like to be able to get commands I run from the CLI to
show up in `herd status` the same way.

systemd has some more magic I wanted to steal, like being able to launch
GUI applications from systemd-run.

shepherd-run basically parses the flags and commands and then writes out
a service to a temporary file and loads it with 'herd load root ...'

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Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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