51352eff3c
mount in the sandbox. Then in the individual OS section, turn it back on if needed. Right now, just turn on NetBSD. At some point we should probably fill out the other supported OS's or figure out a way to pull in the information from the makefiles which already define much of whats needed.
358 lines
9 KiB
Bash
Executable file
358 lines
9 KiB
Bash
Executable file
#! /bin/sh
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# $NetBSD: mksandbox,v 1.40 2005/04/21 21:44:56 dmcmahill Exp $
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#
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#
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# Copyright (c) 2002 Alistair G. Crooks. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by Alistair G. Crooks
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# for the NetBSD project.
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# 4. The name of the author may not be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Usage: mksandbox [--pkgsrc=dir] [--src=srcdir] [--xsrc=xsrcdir] [--verbose] sandbox-dir
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#
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# A small shell script to set up a sandbox (usually for a pkgsrc bulk
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# build), using null mounts.
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pkgsrc=/usr/pkgsrc
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src=/usr/src
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xsrc=/usr/xsrc
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kernel=""
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sandboxMountDirs="/bin /sbin /lib /libexec /usr/X11R6 /usr/bin /usr/games /usr/include /usr/lib /usr/libdata /usr/libexec /usr/lkm /usr/share /usr/sbin /var/mail"
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sandboxEmptyDirs="/var/run /var/log /var/spool/mqueue"
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sandboxEmptyFiles="/var/run/utmp /var/run/utmpx /var/log/wtmp /var/log/wtmpx /var/log/lastlog /var/log/lastlogx"
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usage()
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{
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echo "Usage: mksandbox [--pkgsrc=dir] [--src=srcdir] [--xsrc=xsrcdir] [--verbose] sandbox-dir"
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exit 1
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}
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err()
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{
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echo "error: $1"
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exit 1
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}
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# by default, don't require src and xsrc to be available
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need_src=no
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need_xsrc=no
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opsys=`uname -s`
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case "$opsys" in
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Darwin)
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bmakeprog=bmake
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chmodprog=/bin/chmod
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chownprog=/usr/sbin/chown
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cpprog=/bin/cp
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gtarprog=/usr/bin/gnutar
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idprog=/usr/bin/id
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mkdirprog="/bin/mkdir -p"
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mountflags="-t null"
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mountprog=/sbin/mount
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paxprog=/bin/pax
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sedprog=/usr/bin/sed
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;;
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Linux)
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bmakeprog=bmake
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chmodprog=/bin/chmod
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chownprog=/bin/chown
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cpprog=/bin/cp
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gtarprog=/bin/tar
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idprog=/usr/bin/id
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mkdirprog="/bin/mkdir -p"
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mountflags="--bind"
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mountprog=/sbin/mount
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paxprog=""
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sedprog=/bin/sed
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sandboxMountDirs="$sandboxMountDirs /proc"
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;;
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NetBSD)
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bmakeprog=make
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chmodprog=/bin/chmod
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chownprog=/usr/sbin/chown
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cpprog=/bin/cp
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gtarprog=/usr/bin/tar
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idprog=/usr/bin/id
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kernel=/netbsd
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mkdirprog="/bin/mkdir -p"
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mountflags="-t null"
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mountprog=/sbin/mount
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paxprog=/bin/pax
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sedprog=/usr/bin/sed
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need_src=yes
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need_xsrc=yes
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;;
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SunOS)
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bmakeprog=bmake
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chmodprog=/usr/bin/chmod
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chownprog=/usr/bin/chown
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cpprog=/usr/bin/cp
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gtarprog=""
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idprog=/usr/xpg4/bin/id
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mkdirprog="/usr/bin/mkdir -p"
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mountflags="-F lofs"
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mountprog=/sbin/mount
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paxprog=/bin/pax
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sedprog=/usr/xpg4/bin/sed
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sandboxMountDirs="/bin /sbin /kernel /lib /proc /opt/SUNWspro /usr/X11R6 /usr/5bin /usr/bin /usr/ccs /usr/dt /usr/games /usr/include /usr/lib /usr/openwin /usr/share /usr/sbin /usr/ucb /usr/ucblib /usr/xpg4 /var/mail /var/sadm"
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sandboxEmptyDirs="$sandboxEmptyDirs /usr/tmp /var/tmp"
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;;
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*)
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echo "Unknown Operating System ($opsys) - good luck"
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bmakeprog=bmake
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chmodprog=chmod
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chownprog=chown
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cpprog=cp
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gtarprog="tar"
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idprog="id"
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mkdirprog="mkdir -p"
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mountflags="-t null"
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mountprog=mount
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paxprog=pax
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sedprog=sed
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;;
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esac
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while [ $# -gt 0 ]; do
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case "$1" in
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--pkgsrc=*) pkgsrc=`echo $1 | $sedprog -e 's|^--pkgsrc=||'` ;;
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--src=*) src=`echo $1 | $sedprog -e 's|^--src=||'` ;;
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--xsrc=*) xsrc=`echo $1 | $sedprog -e 's|^--xsrc=||'` ;;
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--verbose) set -x ;;
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-*) usage ;;
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*) break ;;
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esac
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shift
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done
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if [ $# -ne 1 ]; then
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usage
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fi
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if [ `$idprog -u` -ne 0 ]; then
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err "You must be root to run this script."
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fi
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if [ ! -d $pkgsrc ]; then
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err "pkgsrc directory $pkgsrc does not exist."
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fi
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if [ ! -d $src -a "$need_src" = "yes" ]; then
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err "source directory $src does not exist."
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fi
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if [ ! -d $xsrc -a "$need_xsrc" = "yes" ]; then
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err "xsrc directory $xsrc does not exist."
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fi
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sandbox=$1
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sandbox_script="$sandbox/sandbox"
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packages=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=PACKAGES)`
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distfiles=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=DISTDIR)`
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localbase=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=LOCALBASE)`
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pkg_dbdir=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=PKG_DBDIR)`
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localpatches=`(cd $pkgsrc/pkgtools/pkglint; $bmakeprog show-var VARNAME=LOCALPATCHES)`
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test -d "$localpatches" || echo "WARNING: LOCALPATCHES directory does not exist - ignoring"
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$mkdirprog $sandbox
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cat > $sandbox_script <<EOS
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#! /bin/sh -
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sandbox=$sandbox
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r3() {
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_R=
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while [ \$# -ge 3 ]
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do
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_R="\$1 \$2 \$3 \$_R"
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shift; shift; shift
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done
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echo "\$_R"
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}
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fses="\\
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EOS
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if [ ! -z "$kernel" ]; then
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echo "Copying the kernel"
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$cpprog $kernel $sandbox
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fi
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echo "Checking package hierarchy in $localbase and package database in $pkg_dbdir exist"
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$mkdirprog $sandbox/$localbase $sandbox/$pkg_dbdir
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echo "Make and populate $sandbox/dev"
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$mkdirprog $sandbox/dev
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case "$opsys" in
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SunOS)
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/usr/sbin/devfsadm -r $sandbox
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if [ -f /usr/ucblib/ucblinks.awk -a -x /usr/ucb/ucblinks ]; then
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/usr/ucb/ucblinks -r $sandbox
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fi
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;;
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Linux)
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$cpprog /dev/MAKEDEV* $sandbox/dev
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(cd $sandbox/dev; ./MAKEDEV generic)
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;;
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*)
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$cpprog /dev/MAKEDEV* $sandbox/dev
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(cd $sandbox/dev; ./MAKEDEV all)
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esac
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echo "Make and populate $sandbox/etc"
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$mkdirprog $sandbox/etc
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case "$paxprog" in
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"") (cd /etc; $gtarprog -cf - . | (cd $sandbox/etc; $gtarprog xf - )) ;;
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*) (cd /etc; $paxprog -rwpe . $sandbox/etc) ;;
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esac
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rm -f $sandbox/etc/localtime
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case "$opsys" in
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SunOS)
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$cpprog /etc/TIMEZONE $sandbox/etc/TIMEZONE
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;;
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*)
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$cpprog /usr/share/zoneinfo/GMT $sandbox/etc/localtime
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;;
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esac
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echo "Make empty dirs upon which to mount the null mounts"
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for d in $sandboxMountDirs; do
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test -d $d || continue;
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$mkdirprog $sandbox$d;
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$mountprog $mountflags -r $d $sandbox$d;
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echo "$d $d ro \\" >> $sandbox_script
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done
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echo "Making /tmp in $sandbox"
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$mkdirprog $sandbox/tmp $sandbox/var/tmp
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$chmodprog 1777 $sandbox/tmp $sandbox/var/tmp
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echo "Making /var/games in $sandbox"
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$mkdirprog $sandbox/var/games
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$chownprog games:games $sandbox/var/games
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$chmodprog 2775 $sandbox/var/games
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for d in $sandboxEmptyDirs; do
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test -d $d || continue
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echo "Making $d in $sandbox"
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$mkdirprog $sandbox$d
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done
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for f in $sandboxEmptyFiles; do
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test -f $f || continue
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echo "Making $f in $sandbox"
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$cpprog /dev/null $sandbox$f
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done
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if [ "$need_src" = "yes" ]; then
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echo "Mount $src from $sandbox"
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$mkdirprog $sandbox/usr/src
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$mountprog $mountflags -r $src $sandbox/usr/src
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echo "$src /usr/src ro \\" >> $sandbox_script
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fi
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echo "Mount $pkgsrc from $sandbox"
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$mkdirprog $sandbox/usr/pkgsrc
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$mountprog $mountflags $pkgsrc $sandbox/usr/pkgsrc
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echo "$pkgsrc /usr/pkgsrc rw \\" >> $sandbox_script
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if [ "$need_xsrc" = "yes" ]; then
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echo "Mount $xsrc from $sandbox"
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$mkdirprog $sandbox/usr/xsrc
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$mountprog $mountflags -r $xsrc $sandbox/usr/xsrc
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echo "$xsrc /usr/xsrc ro \\" >> $sandbox_script
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fi
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echo "Mounting $packages and $distfiles from $sandbox"
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$mkdirprog $sandbox/$packages $sandbox/$distfiles
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$mkdirprog $packages $distfiles
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$mountprog $mountflags $packages $sandbox/$packages
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$mountprog $mountflags $distfiles $sandbox/$distfiles
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echo "$packages $packages rw \\" >> $sandbox_script
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echo "$distfiles $distfiles rw \\" >> $sandbox_script
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if [ -n "$localpatches" ] && [ -d "$localpatches" ]; then
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echo "Mounting $localpatches from $sandbox"
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$mkdirprog $sandbox/$localpatches
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$mountprog $mountflags $localpatches $sandbox/$localpatches
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echo "$localpatches $localpatches rw \\" >> $sandbox_script
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fi
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cat >> $sandbox_script <<EOS
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"
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case x\$1 in
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xmount)
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set dummy \$fses
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shift
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while [ \$# -ge 3 ]; do
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fs=\$1; shift
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mntpoint=\$1; shift
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rwro=\$1; shift
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case \$rwro in
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ro) mount $mountflags -r \$fs \$sandbox/\$mntpoint || exit 1 ;;
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rw) mount $mountflags \$fs \$sandbox/\$mntpoint || exit 1 ;;
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esac
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done
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;;
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xumount)
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set dummy \`r3 \$fses\`
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shift
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while [ \$# -ge 3 ]; do
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fs=\$1; shift
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mntpoint=\$1; shift
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dummy=\$1; shift
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umount \$sandbox/\$mntpoint
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done
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;;
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*)
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if [ \$# -eq 0 ]; then
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set dummy /bin/sh
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shift
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fi
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chroot \$sandbox "\$@"
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;;
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esac
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EOS
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chmod +x $sandbox_script
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case $opsys in
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SunOS)
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$cpprog /etc/mnttab $sandbox/etc/mnttab
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;;
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*)
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esac
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echo "Sandbox creation is now complete"
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exit 0
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