Regarding /cdrom in hier(7)

[Warner Losh]

On Thu, May 7, 2020 at 12:08 PM Daniel Ebdrup Jensen <debdrup at freebsd.org>
wrote:

> On Thu, May 07, 2020 at 12:00:47PM -0600, Warner Losh wrote:
> >On Thu, May 7, 2020 at 11:46 AM Daniel Ebdrup Jensen <debdrup at freebsd.org
> >
> >wrote:
> >
> >> On Thu, May 07, 2020 at 09:26:26AM -0700, Rodney W. Grimes wrote:
> >> >> After a bit of a long conversation on IRC, I've concluded that
> perhaps
> >> >> it's time for the /cdrom entry in hier(7) to be sent off to better
> >> >> pastures.
> >> >>
> >> >> It's got a bit of a weird history where, before it was implemented,
> >> >> sysinstall used /mnt/dists until that was changed on the 22nd of May
> >> >> 1995, as shown on [1] - and it isn't readily apparent why it was
> >> >> changed, as presumably information from cdroms could easily have been
> >> >> extracted into /mnt/dists from /mnt/cdrom?
> >> >>
> >> >> After then, it spent a bunch of years being hard-coded, until on
> >> >> the 22nd of January, 1997 when it was changed to fix media
> >> >> initialization, as shown on [2].
> >> >>
> >> >> Media initialization then got moved, along with the rest of
> >> >> sysinstall, with [3], where it spent its days until [4] where
> >> >> nwhitehorn@ gave it a proper sendoff.
> >> >>
> >> >> So my proposal is this: Do we remove /cdrom from hier(7), because at
> >> >> this point nobody should've been using it some time after 1997, or do
> >> >> we keep it around since people might still be using it?
> >> >>
> >> >> Yours hopefully,
> >> >> Daniel Ebdrup Jensen
> >> >>
> >> >> [1]:
> >>
> https://svnweb.freebsd.org/base/head/release/sysinstall/media_strategy.c?r1=8701&r2=8702&pathrev=8790&
> >> >> [2]:
> >>
> https://svnweb.freebsd.org/base/head/release/sysinstall/cdrom.c?revision=21937&view=markup&pathrev=21937
> >> >> [3]: https://svnweb.freebsd.org/changeset/base/71150
> >> >> [4]: https://svnweb.freebsd.org/changeset/base/225937
> >> >
> >> >
> >> >It is time to go, BUTT you need to clean up more than just hier(7),
> >> >as this like most changes in FreeBSD is a weed and it has roots
> >> >all over the place:
> >> >
> >> >:root {1007}# find /usr/share/man -type f | xargs zgrep -i /cdrom
> >> >./man1/locate.1.gz:$ locate -d $HOME/lib/mydb::/cdrom/locate.database
> foo
> >> >./man1/locate.1.gz:.Pa /cdrom/locate.database .
> >> >./man1/cdcontrol.1.gz:.Pa /dev/cdrom ,
> >> >./man1/recoverdisk.1.gz:recoverdisk /cdrom/file.avi file.avi
> >> >./man8/ggatec.8.gz:client# mount_cd9660 /dev/ggate0 /cdrom
> >> >./man8/mount.8.gz:mount -t cd9660 -o -e /dev/cd0 /cdrom
> >> >./man8/mount.8.gz:/sbin/mount_cd9660 -e /dev/cd0 /cdrom
> >> >./man8/mount_cd9660.8.gz:.Dl "mount_cd9660 -o rw -v -s 0 /dev/cd0
> /cdrom"
> >> >./man5/devfs.conf.5.gz:.Pa /dev/cdrom
> >> >./man5/devfs.conf.5.gz:.Pa /dev/cdrom
> >> >./man5/exports.5.gz:/cdrom -alldirs,quiet,ro -network 192.168.33.0
> -mask
> >> 255.255.255.0
> >> >./man5/exports.5.gz:.Pa /cdrom
> >> >./man5/exports.5.gz:.Pa /cdrom
> >> >./man5/exports.5.gz:.Pa /cdrom
> >> >./man5/exports.5.gz:.Pa /cdrom ,
> >> >./man5/exports.5.gz:.Pa /cdrom
> >> >./man5/fstab.5.gz:/dev/cd0      /cdrom          cd9660  ro,noauto
> >>  0       0
> >> >./man7/hier.7.gz:.It Pa /cdrom/
> >> >
> >> >--
> >> >Rod Grimes
> >> rgrimes at freebsd.org
> >>
> >> Thanks, Rod.
> >>
> >> That's why I thought I'd ask first, because I knew it was not just the
> >> man-page
> >> that needed tending to - though I see you've found even more instances
> >> than I
> >> did in a quick grep through things. I'll make a note of all the places,
> >> then
> >> wait a bit longer to see if anyone has anything to say on the topic,
> then
> >> set to it.
> >>
> >> Hopefully I'll get around to it some time before hedgehogs start
> >> hibernating. :)
> >>
> >
> >The handbook also has a lot of references too:
> >
> >% cd doc/head
> >% grep -r /cdrom en_US.ISO8859-1/ | grep -v cdrom.com | wc
> >     478    1457   56420
> >
> >Warner
>
> Fair enough, maybe it'll be some time after hedgehogs stop hibernating
> then. ;)
>

Fortunately, most of them are in release notes (which won't change):

grep -r /cdrom en_US.ISO8859-1/ | grep -v cdrom.com | grep -v /releases/ |
wc
      27     148    3473

So it's not too bad. Only 8 articles need to be changed.

Warner