dgamelaunch/dgl-create-chroot

#!/bin/sh

set -e

CHROOT_PATH=/var/lib/dgamelaunch

# Only in the chroot
CHROOT_UID=1031
CHROOT_GID=1031

echo "Setting up the chroot in: $CHROOT_PATH"

mkdir -p $CHROOT_PATH/lib $CHROOT_PATH/bin $CHROOT_PATH/etc $CHROOT_PATH/var/mail

# Required libraries
cp -L /lib/libc.so.6 $CHROOT_PATH/lib
cp -L /lib/libncurses.so.5 $CHROOT_PATH/lib
cp -L /lib/ld-linux.so.2 $CHROOT_PATH/lib

# Passwd file
echo "games:!:5:60:games:/nonexistent:/bin/sh" > $CHROOT_PATH/etc/passwd
echo "games:x:60:" > $CHROOT_PATH/etc/group

# Dungeon directory setup
mkdir -p $CHROOT_PATH/dgldir/inprogress
mkdir -p $CHROOT_PATH/dgldir/rcfiles
mkdir -p $CHROOT_PATH/dgldir/ttyrec
chown -R $CHROOT_UID:$CHROOT_GID $CHROOT_PATH/dgldir
chown -R $CHROOT_UID:$CHROOT_GID $CHROOT_PATH/var/mail
touch $CHROOT_PATH/dgl-login
touch $CHROOT_PATH/dgl-lock
chown $CHROOT_UID:$CHROOT_GID $CHROOT_PATH/dgl-*

# Needs gzip to compress
cp /bin/gzip $CHROOT_PATH/bin

# Copy the nethack binary over (Debian specific for now)
cp /usr/lib/games/nethack/nethack-console $CHROOT_PATH/bin/nethack

# ...and all the data it needs
mkdir -p $CHROOT_PATH/var/games/nethack/save
mkdir -p $CHROOT_PATH/usr/lib/games/nethack
touch $CHROOT_PATH/var/games/nethack/record
touch $CHROOT_PATH/var/games/nethack/perm
touch $CHROOT_PATH/var/games/nethack/logfile

chown -R $CHROOT_UID:$CHROOT_GID $CHROOT_PATH/var/games/nethack
cp -L /usr/lib/games/nethack/license $CHROOT_PATH/usr/lib/games/nethack
cp -L /usr/lib/games/nethack/nhdat $CHROOT_PATH/usr/lib/games/nethack

# Curses junk
mkdir -p $CHROOT_PATH/usr/share
cp -Lr /usr/share/terminfo $CHROOT_PATH/usr/share