void-packages/xbps-src/shutils/chroot.sh.in

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#-
# Copyright (c) 2008-2010 Juan Romero Pardines.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#-
#
# Script to install packages into a sandbox in masterdir.
# Actually this needs the xbps-base-chroot package installed.
#
# Umount stuff if SIGINT or SIGQUIT was caught
trap "${sudo_cmd} @@XBPS_INSTALL_LIBEXECDIR@@/xbps-src-chroot-helper umount && exit $?" INT QUIT
[ -n "$base_chroot" ] && return 0
if [ "${chroot_cmd}" = "chroot" ]; then
if [ "$(id -u)" -ne 0 ]; then
echo "Root permissions are required for the chroot, try again."
exit 1
fi
else
chroot_cmd_args="--"
fi
. $XBPS_SHUTILSDIR/builddep_funcs.sh
check_installed_pkg xbps-base-chroot-0.11
if [ $? -ne 0 ]; then
echo "The '$pkgname' package requires to be installed in a chroot."
echo "Please install 'xbps-base-chroot>=0.11' and try again."
exit 1
fi
msg_normal "Entering into the chroot on $XBPS_MASTERDIR."
if [ ! -d $XBPS_MASTERDIR/usr/local/etc ]; then
mkdir -p $XBPS_MASTERDIR/usr/local/etc
fi
XBPSSRC_CF=$XBPS_MASTERDIR/usr/local/etc/xbps-src.conf
echo "XBPS_DISTRIBUTIONDIR=/xbps" > $XBPSSRC_CF
echo "XBPS_MASTERDIR=/" >> $XBPSSRC_CF
echo "XBPS_PACKAGESDIR=/xbps_packagesdir" >> $XBPSSRC_CF
echo "XBPS_BUILDDIR=/xbps_builddir" >> $XBPSSRC_CF
echo "XBPS_SRCDISTDIR=/xbps_srcdistdir" >> $XBPSSRC_CF
echo "XBPS_CFLAGS=\"$XBPS_CFLAGS\"" >> $XBPSSRC_CF
echo "XBPS_CXXFLAGS=\"\$XBPS_CFLAGS\"" >> $XBPSSRC_CF
echo "XBPS_FETCH_CMD='xbps-uhelper.static fetch'" >> $XBPSSRC_CF
if [ -n "$XBPS_MAKEJOBS" ]; then
echo "XBPS_MAKEJOBS=$XBPS_MAKEJOBS" >> $XBPSSRC_CF
fi
if [ -n "$XBPS_PREFER_BINPKG_DEPS" ]; then
echo "XBPS_PREFER_BINPKG_DEPS=$XBPS_PREFER_BINPKG_DEPS" >> $XBPSSRC_CF
fi
echo "XBPS_COMPRESS_CMD=$XBPS_COMPRESS_CMD" >> $XBPSSRC_CF
if [ -n "$XBPS_COMPRESS_LEVEL" ]; then
echo "XBPS_COMPRESS_LEVEL=$XBPS_COMPRESS_LEVEL" >> $XBPSSRC_CF
fi
prepare_chroot()
{
local f=
# Create some required files.
cp -f /etc/mtab $XBPS_MASTERDIR/etc
cp -f /etc/resolv.conf $XBPS_MASTERDIR/etc
[ -f /etc/localtime ] && cp -f /etc/localtime $XBPS_MASTERDIR/etc
for f in run/utmp log/btmp log/lastlog log/wtmp; do
touch -f $XBPS_MASTERDIR/var/$f
done
for f in run/utmp log/lastlog; do
chmod 644 $XBPS_MASTERDIR/var/$f
done
cat > $XBPS_MASTERDIR/etc/passwd <<_EOF
root:x:0:0:root:/root:/bin/bash
nobody:x:99:99:Unprivileged User:/dev/null:/bin/false
$(whoami):x:$(id -u):$(id -g):$(whoami) user:/dev/null:/bin/bash
_EOF
# Default group list as specified by LFS.
cat > $XBPS_MASTERDIR/etc/group <<_EOF
root:x:0:
bin:x:1:
sys:x:2:
kmem:x:3:
wheel:x:4:
tty:x:5:
tape:x:6:
daemon:x:7:
floppy:x:8:
disk:x:9:
lp:x:10:
dialout:x:11:
audio:x:12:
video:x:13:
utmp:x:14:
usb:x:15:
cdrom:x:16:
optical:x:17:
mail:x:18:
storage:x:19:
scanner:x:20:
nogroup:x:99:
users:x:1000:
$(whoami):x:$(id -g):
_EOF
# Default file as in Ubuntu.
cat > $XBPS_MASTERDIR/etc/hosts <<_EOF
127.0.0.1 xbps localhost.localdomain localhost
127.0.1.1 xbps
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
_EOF
# Create /bin/sh symlink to bash
cd $XBPS_MASTERDIR/bin && ln -sf bash sh
touch $XBPS_MASTERDIR/.xbps_perms_done
}
prepare_binpkg_repos()
{
if [ ! -f "$XBPS_MASTERDIR/.xbps_added_local_repo" ]; then
msg_normal "Registering local binpkg repo..."
${chroot_cmd} $XBPS_MASTERDIR ${chroot_cmd_args} \
xbps-repo.static add /xbps_packagesdir
[ $? -eq 0 ] && touch -f $XBPS_MASTERDIR/.xbps_added_local_repo
fi
}
create_busybox_links()
{
local busyboxdir=$XBPS_MASTERDIR/usr/lib/busybox-initramfs
local lbindir=$XBPS_MASTERDIR/usr/local/bin
[ -f $XBPS_MASTERDIR/.busybox_done ] && return 0
[ ! -d ${lbindir} ] && mkdir -p ${lbindir}
# Create other symlinks in /usr/local/bin
for f in $(find ${busyboxdir} -type l); do
cd ${lbindir} || return 1
[ "$(basename $f)" = "sh" ] && continue
ln -s ../../lib/busybox-initramfs/bin/busybox $(basename $f)
done
touch -f $XBPS_MASTERDIR/.busybox_done
}
install_xbps_utils()
{
local needed _cmd
local xbps_prefix=$XBPS_MASTERDIR/usr/local
for f in bin repo uhelper; do
if [ ! -x $xbps_prefix/sbin/xbps-${f}.static ]; then
needed=yes
fi
done
if [ -n "$needed" ]; then
echo "=> Installing the required XBPS utils."
for f in bin repo uhelper; do
_cmd=$(which xbps-${f}.static 2>/dev/null)
if [ -z "${_cmd}" ]; then
echo "Unexistent xbps-uhelper.static file!"
exit 1
fi
cp -f ${_cmd} $xbps_prefix/sbin
done
fi
}
xbps_chroot_handler()
{
local action="$1"
local pkg="$2"
local only_destdir="$3"
local norm_builddir="$4"
local path="/usr/local/sbin:/bin::/sbin:/usr/bin:/usr/sbin:/usr/local/bin"
[ -z "$action" -o -z "$pkg" ] && return 1
[ "$action" != "configure" -a "$action" != "build" -a \
"$action" != "install" -a "$action" != "chroot" ] && return 1
if [ ! -f $XBPS_MASTERDIR/.xbps_perms_done ]; then
echo -n "==> Preparing chroot on $XBPS_MASTERDIR... "
prepare_chroot
echo "done."
fi
create_busybox_links
install_xbps_utils
${sudo_cmd} @@XBPS_INSTALL_LIBEXECDIR@@/xbps-src-chroot-helper mount
[ $? -ne 0 ] && return $?
prepare_binpkg_repos
# Reinstall xbps-src in the chroot
if [ ! -f $XBPS_MASTERDIR/usr/local/sbin/xbps-src ]; then
env in_chroot=yes LANG=C PATH=$path \
${chroot_cmd} $XBPS_MASTERDIR ${chroot_cmd_args} sh -c \
"cd /xbps/xbps-src && make install clean"
fi
if [ "$action" = "chroot" ]; then
env in_chroot=yes LANG=C PATH=$path \
${chroot_cmd} $XBPS_MASTERDIR /bin/sh
else
local lenv
[ -n "$only_destdir" ] && \
lenv="install_destdir_target=yes"
[ -n "$norm_builddir" ] && \
action="-C $action"
env in_chroot=yes LANG=C PATH=$path \
${lenv} ${chroot_cmd} $XBPS_MASTERDIR \
${chroot_cmd_args} sh -c \
"cd /xbps/srcpkgs/$pkg && xbps-src $action"
fi
msg_normal "Exiting from the chroot on $XBPS_MASTERDIR."
${sudo_cmd} @@XBPS_INSTALL_LIBEXECDIR@@/xbps-src-chroot-helper umount
return $?
}