[issue715] suggested re-work of myconfig, GRMLCFG, config, debs and scripts

[Michael Prokop]

Michael Prokop <mika at grml.org> added the comment:

* Marc 'Zugschlus' Haber <bts at bts.grml.org> [20090728 23:18]:

> The interaction between GRMLCFG, myconfig, scripts, debs and config is
> incredibly byzantine to me. It has clearly grown,

FullACK

> but I'd like to have some more features which would be available
> by a re-work of the semantics.

> I would like to see the following behavior implemented:

>   - debs, config and scripts are always searched and read from the
>     same place ($dcs-dir). Which place this is varies, depending on
>     GRMLCFG, noautoconfig and myconfig.
>   - debs are searched in $dcs-dir/debs. If debs=foo is given, foo is
>     taken as a shell wildcard for the debs being installed, paths are
>     allowed and relative to $dcs-dir.
>   - config archives (config.tbz) are searched directly in $dcs-dir. If
>     config=foo is given and foo is a file, that file is unpacked and its
>     content taken as configuration archive. If config=foo is given and foo
>     is a directory, the contents of the directory tree is copied over the
>     live CD configuration. paths are allowed and relative to $dcs-dir
>   - scripts are searched in $dcs-dir/scripts. If scripts=foo is given
>     and foo is a file, that file is executed. If scripts=foo is given and
>     foo is a directory, all files inside that directory are executed.
>     Paths are allowed and relative to $dcs-dir.
>   - If no GRMLCFG partition is found and noautoconfig is _not_ given
>     on the command line, nothing is changed and the dcs files are
>     searched within the .iso, $dcs-dir is set to the root directory
>     within the .iso
>   - If a GRMLCFG partition is found, $dcs-dir is set to the root of
>     the GRMLCFG partition unless noautoconfig is set. If noautoconfig is
>     set, $dcs-dir is set to the root directory within the .iso.
>   - If myconfig=foo is set on the command line, $dcs-dir is set to
>     foo, even if a GRMLCFG partition is present.

Sounds great, I especially like the "merge" of existing approaches
into "central configuration" via $dcs-dir/myconfig=....

> This behavior was carefully crafted not to break mainstream
> configurations while some more exotic schemes now need different
> handling. It also has the advantage of having similiar definitions for
> scrips, debs and config which will probably allow some code to be
> re-used for all three cases.

ACK. It's important *not* to break existing configurations/setups.

> Please indicate whether you find this behavior acceptable and
> desireable and whether you would accept a patch creating part or all
> of this behavior. I believe this can be done alone by changing
> /etc/init.d/grml-autoconfig and/or /etc/grml/autoconfig.functions.

Highly appreciated and welcome!

> If you find this discussion more appropriate on a mailing list, please
> say so and I'll happily repost.

Good idea, feel free to ask for opinions on the grml mailinglist.

Thanks, Marc!

regards,
-mika-

----------
assignedto: mika
messages: 2366, 2368
nosy: mika, zugschlus
priority: wish
status: chatting
title: suggested re-work of myconfig, GRMLCFG, config, debs and scripts

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