Re: [gentoo-user] OpenRC update to 0.11.5 - safe if using older udev (pinned to udev-181)?

[Bruce Hill <daddy@happypenguincomputers.com>]

On Tue, Nov 20, 2012 at 02:17:17PM -0500, Tanstaafl wrote:
> 
> RDEPEND="virtual/init
>          kernel_FreeBSD? ( || ( >=sys-freebsd/freebsd-ubin-9.0_rc 
> sys-process/fuser-bsd ) )
>          elibc_glibc? ( >=sys-libs/glibc-2.5 )
>          ncurses? ( sys-libs/ncurses )
>          pam? ( sys-auth/pambase )
>          >=sys-apps/baselayout-2.1-r1
>          kernel_linux? (
>                  sys-process/psmisc
>          )
>          !<sys-fs/udev-133"
> 
> So, *maybe* the last line means it needs a udev not less than 133 - but 
> I don't know enough about how ebuilds to work to risk an unbootable 
> system if it doesn't mean what I think it means.
> 
> Sorry, I'm not a programmer and don't know what to look for (or even 
> where to look until you pointed me to the file), so how about just a 
> simple answer?

You are correct in that it requires !<sys-fs/udev-133, where ! means "not" and
< means "less than", so "not less than sys-fs/udev-133". The lowest version in
portage atm is 141-r1, so unless you had an extremely old udev and masked it,
you won't have trouble there.

If you continue to read the ebuild, using less as someone suggested, use the
slash (/) which searches, such as /openrc and /udev to read what the ebuild
will do. That ebuild is an awk script which is going to execute the commands
as you see them. This section, for instance:

# >=OpenRC-0.11.3 requires udev-mount to be in the sysinit runlevel with udev.
migrate_udev_mount_script() {
        if [ -e "${EROOT}"etc/runlevels/sysinit/udev -a \
                ! -e "${EROOT}"etc/runlevels/sysinit/udev-mount ]; then
                add_boot_init udev-mount sysinit
        fi
        return 0
}

Since sys-apps/openrc-0.11.5 is still ~arch (where arch is architecture, such
as x86, amd64; and ~ means unstable), you might find bugs. It has been
submittied for stable request https://bugs.gentoo.org/show_bug.cgi?id=435756
but not yet approved as stable.

Do you mind asking why you want to use unstable openrc? Is there some feature
you need?
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