vp-build/helper-templates/chroot.sh

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#
# Helper 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 umount_chroot_fs INT QUIT
check_installed_pkg xbps-base-chroot 0.1
if [ $? -ne 0 ]; then
echo "*** ERROR: xbps-base-chroot pkg not installed ***"
exit 1
fi
if [ "$(id -u)" -ne 0 ]; then
echo "*** ERROR: you must be root to use this target ***"
exit 1
fi
if [ ! -f $XBPS_MASTERDIR/.xbps_perms_done ]; then
echo -n "==> Preparing chroot on $XBPS_MASTERDIR... "
chown -R root:root $XBPS_MASTERDIR/*
chmod +s $XBPS_MASTERDIR/usr/libexec/pt_chown
cp -af /etc/passwd /etc/shadow /etc/group /etc/hosts $XBPS_MASTERDIR/etc
touch $XBPS_MASTERDIR/.xbps_perms_done
echo "done."
else
echo "==> Entering into the chroot on $XBPS_MASTERDIR."
fi
for f in bin sbin tmp var sys proc dev xbps xbps_builddir xbps_destdir; do
[ ! -d $XBPS_MASTERDIR/$f ] && mkdir -p $XBPS_MASTERDIR/$f
done
unset f
for f in sys proc dev xbps xbps_builddir xbps_destdir; do
if [ ! -f $XBPS_MASTERDIR/.${f}_mount_bind_done ]; then
echo -n "=> Mounting $f in chroot... "
local blah=
case $f in
xbps) blah=$XBPS_DISTRIBUTIONDIR;;
xbps_builddir) blah=$XBPS_BUILDDIR;;
xbps_destdir) blah=$XBPS_DESTDIR;;
*) blah=/$f;;
esac
mount --bind $blah $XBPS_MASTERDIR/$f
if [ $? -eq 0 ]; then
touch $XBPS_MASTERDIR/.${f}_mount_bind_done
echo "done."
else
echo "failed."
fi
fi
done
unset f
echo "XBPS_DISTRIBUTIONDIR=/xbps" > $XBPS_MASTERDIR/etc/xbps.conf
echo "XBPS_MASTERDIR=/" >> $XBPS_MASTERDIR/etc/xbps.conf
echo "XBPS_DESTDIR=/xbps_destdir" >> $XBPS_MASTERDIR/etc/xbps.conf
echo "XBPS_BUILDDIR=/xbps_builddir" >> $XBPS_MASTERDIR/etc/xbps.conf
echo "XBPS_SRCDISTDIR=/xbps/srcdistdir" >> $XBPS_MASTERDIR/etc/xbps.conf
echo "XBPS_CFLAGS=\"$XBPS_CFLAGS\"" >> $XBPS_MASTERDIR/etc/xbps.conf
echo "XBPS_CXXFLAGS=\"\$XBPS_CFLAGS\"" >> $XBPS_MASTERDIR/etc/xbps.conf
if [ -n "$XBPS_MAKEJOBS" ]; then
echo "XBPS_MAKEJOBS=$XBPS_MAKEJOBS" >> $XBPS_MASTERDIR/etc/xbps.conf
fi
rebuild_ldso_cache()
{
echo -n "==> Rebuilding chroot's dynamic linker cache..."
chroot $XBPS_MASTERDIR /sbin/ldconfig -c /etc/ld.so.conf
chroot $XBPS_MASTERDIR /sbin/ldconfig -C /etc/ld.so.cache
echo " done."
}
configure_chroot_pkg()
{
local pkg="$1"
[ -z "$pkg" ] && return 1
rebuild_ldso_cache
env in_chroot=yes chroot $XBPS_MASTERDIR /xbps/xbps.sh configure $pkg
echo "==> Exiting from the chroot on $XBPS_MASTERDIR."
umount_chroot_fs
}
build_chroot_pkg()
{
local pkg="$1"
[ -z "$pkg" ] && return 1
rebuild_ldso_cache
env in_chroot=yes chroot $XBPS_MASTERDIR /xbps/xbps.sh build $pkg
echo "==> Exiting from the chroot on $XBPS_MASTERDIR."
umount_chroot_fs
}
install_chroot_pkg()
{
local pkg="$1"
[ -z "$pkg" ] && return 1
rebuild_ldso_cache
env in_chroot=yes chroot $XBPS_MASTERDIR /xbps/xbps.sh install $pkg
echo "==> Exiting from the chroot on $XBPS_MASTERDIR."
umount_chroot_fs
}
enter_chroot()
{
rebuild_ldso_cache
env in_chroot=yes chroot $XBPS_MASTERDIR /bin/bash
echo "==> Exiting from the chroot on $XBPS_MASTERDIR."
umount_chroot_fs
}
umount_chroot_fs()
{
local fs=
local dir=
for fs in sys proc dev xbps xbps_builddir xbps_destdir; do
[ ! -f $XBPS_MASTERDIR/.${fs}_mount_bind_done ] && continue
echo -n "=> Unmounting $fs from chroot... "
umount -f $XBPS_MASTERDIR/$fs
if [ $? -eq 0 ]; then
rm -f $XBPS_MASTERDIR/.${fs}_mount_bind_done
echo "done."
else
echo "failed."
fi
unset fs
done
for dir in xbps xbps_builddir xbps_destdir; do
[ -d $XBPS_MASTERDIR/$dir ] && rmdir $XBPS_MASTERDIR/$dir
done
}