[arch-releng] [PATCH] Update archiso hooks to work with next mkinitcpio 0.6

Thomas Bächler thomas at archlinux.org
Fri Feb 5 03:13:30 EST 2010

Am 05.02.2010 04:24, schrieb Gerardo Exequiel Pozzi:
>>> I was thinking about dropping the special udev rule and using blkid to
>>> find the right device, it has an option for that. I also thought about a
>>> failsafe mechanism in case the label is incorrect.
>> This sound interesting. Are you talking about blkid -t LABEL="xyz" ?

Didn't look at the manpage, but yes, something like that.

> Oops, I tried without this rule, works but only when booting the iso as
> disk (/dev/sd) if you boot the iso as cdrom blkid does not list any
> device. if you force blkid /dev/sr0 will work.

Ah, not good. Maybe we keep the rule then. So my ideas were (if you have
time to do them, I don't right now):

- Remove the special vfat handling in favor of the cool blkid
- Add an "archisodevice=" fallback option that will override
archisolabel and simply mount the specified device.
- If nothing can be found, use dialog to display a list of block devices
archiso can try.

And then something that needs changes in mkinitcpio: Instead of doing
the mounting in a special hook (and not letting /init finish), register
a "mount hook" that will be run right at the end of /init and let /init
finish as usual. No idea if it's a good idea, I will have to look at the
code again.

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