On Fri, Aug 31, 2012 at 8:46 PM, Ady Ady <ady-sf at hotmail.com>
wrote:>
> Hello hpa,
>
> When running each ldlinux.sys installer:
> extlinux
> syslinux
> syslinux[64].exe
> syslinux.com
>
> with the "--help" argument, the results are different, depending
on
> the specific installer.
As each accepts different options.
> Under the Linux-based installer(s):
> --once=... Execute a command once upon boot
>
> while for the others:
> --once=... -o Execute a command once upon boot
>
> Note that the "-o" is missing under Linux.
It should not show under the syslinux installers (linux/syslinux and
mtools/syslinux). I believe this is historical as it could also be
used for --offset.
> I haven't tested whether "-o" is actually working or not in
any of the
> installers. It would be convenient to test and unify both:
> _ the actual behavior of "<installer> -o", and;
> _ the "--help" screen.
>
> A similar example is
> --directory -d Directory for installation target
>
> which appears after "syslinux --help" but not after
"extlinux --help".
> Does extlinux support "--directory"?
It doesn't need to. That's what the path parameter for extlinux is for.
> In addition to those requests, I'd like to know if there is any
specific
> "logic" for the order of appearance of the options when running
> "<installer> --help".
Perhaps libinstaller/syslxopt.c:usage() needs to have the common
options resorted.
--
-Gene