Plan 9 from Bell Labs’s /usr/web/sources/plan9/rc/bin/9fs

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#!/bin/rc
# 9fs filesystem [mountpoint] - srv & mount filesystem, usually from plan 9

rfork e
switch($1){
case ''
	echo usage: 9fs service '[mountpoint]' >[1=2]
	exit usage
case kfs
	if(! test -f /srv/kfs)
		disk/kfs
	mount -c /srv/kfs /n/kfs
case dump
	mount /srv/boot /n/dump dump >[2]/dev/null ||
		mount /srv/boot /n/dump main/archive ||
		mount /srv/boot /n/dump dump	# again to print error
case snap
	mount /srv/boot /n/snap main/snapshot
case other
	mount -C /srv/boot /n/other other
case juke					# ye olde file server
	srv -q il!jukefs && mount /srv/il!jukefs /n/juke
case sources
	srv -nq tcp!sources.cs.bell-labs.com sources /n/sources
case sourcesdump
	9fs sources
	mount -n /srv/sources /n/sourcesdump main/archive
case sourcessnap
	9fs sources
	mount -n /srv/sources /n/sourcessnap main/snapshot
# arbitrary venti archives
case vac:*
	vacfs <{echo $1}
case *.vac
	if (test -e $1)
		score=$1
	if not if (! ~ $1 /* && test -e $home/lib/vac/$1)
		score=$home/lib/vac/$1
	if not if (! ~ $1 /* && test -e /lib/vac/$1)
		score=/lib/vac/$1
	if not {
		echo $0: $1: no such score file >[1=2]
		exit 'no score file'
	}
	vacfs -m /n/`{basename $1 .vac} `{cat $score}
case wiki
	srv -m 'net!plan9.bell-labs.com!wiki' wiki /mnt/wiki
case *
	switch($#*){
	case 1
		srv -m $1
	case *
		srv -m $1 $1 $2
	}
}

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