#!/bin/sh
# Nico Schottelius
# cinit: install basic setup
# Date: 2005-08-07
# 


. $(dirname $0)/cinit.read-conf

echo "****************************************************************************"
echo "******************************* WARNING ************************************"
echo "****************************************************************************"
echo ""
echo "This will install a minimal cinit configuration."
echo "This configuration _SHOULD_ be able to run on _MOST_ systems."
echo "Still, it's highly EXPERIEMENTAL, use with CAUTION."
echo ""
echo "Please make sure, that"
echo "   - you are using a journaling filesystem (fsck is not used)"
echo "   - you have agetty, fgetty or mingetty installed"
echo "   - you are runnig Linux 2.6 (sysfs is used)"
echo "   - you have udev or static device nodes (you need /dev/tty*)"
echo "   - getties will run on tty2-tty7, tty1 is used or logging"
echo ""
echo "****************************************************************************"
echo "******************************* WARNING ************************************"
echo "****************************************************************************"

notosoftwarepatents="Please keep an eye on software patents, they are evil."
read -p "Do you really want to continue? [y/N] " notosoftwarepatents

if [ "$notosoftwarepatents" = "y" -o "$notosoftwarepatents" = "Y" ]; then
   echo "Let us try it ..."
else
   echo 'Bye bye!'
   exit 0
fi

set -e

# Create basic layout
$(dirname $0)/cinit.install.standard-dirs

# Install services:
# - mount root r/w
# - mount /proc
# - mount /sys
# - install getties on tty2-tty7
# - add cleanup for /etc/mtab
# - add loopback device
# - init service + echo

################################### mount #####################################
# mount root read/write
$(dirname $0)/cinit.install.service.mount-root

# - mount /proc
$(dirname $0)/cinit.install.service.mount-proc

# - mount /sys
$(dirname $0)/cinit.install.service.mount-sys

# mount needs everything below it
"$INSTALL_PROG"      "$INSTALL_DIRECTORY"  "${DESTDIR}/${CINIT_DIR}/mount/$C_NEEDS"
ln -sf "${DESTDIR}/${CINIT_DIR}/mount/root" "${DESTDIR}/${CINIT_DIR}/mount/$C_NEEDS"
ln -sf "${DESTDIR}/${CINIT_DIR}/mount/proc" "${DESTDIR}/${CINIT_DIR}/mount/$C_NEEDS"
ln -sf "${DESTDIR}/${CINIT_DIR}/mount/sys"  "${DESTDIR}/${CINIT_DIR}/mount/$C_NEEDS"

################################### getty #####################################
# mount root read/write
# install getties
begin_getty=2
end_getty=7
i=$begin_getty

"$INSTALL_PROG"      "$INSTALL_DIRECTORY" "${DESTDIR}/${CINIT_DIR}/getty/$C_WANTS"
while [ "$i" -le "$end_getty" ]; do
   $(dirname $0)/cinit.add.getty
   ln -sf "${DESTDIR}/${CINIT_DIR}/getty/$i" "${DESTDIR}/${CINIT_DIR}/getty/$C_WANTS"
   i=$(($i+1))
done

################################### mtab  #####################################
# - add cleanup for /etc/mtab
"$INSTALL_PROG" "$INSTALL_DIRECTORY" "${DESTDIR}/${CINIT_DIR}/local-tuning/$C_NEEDS"
$(dirname $0)/cinit.install.service.cleanup-mtab
ln -sf "${DESTDIR}/${CINIT_DIR}/local-tuning/cleanup-mtab" "${DESTDIR}/${CINIT_DIR}/local-tuning/$C_NEEDS"

################################### lo    #####################################
# - add loopback device
"$INSTALL_PROG" "$INSTALL_DIRECTORY" "${DESTDIR}/${CINIT_DIR}/network/$C_NEEDS"
$(dirname $0)/cinit.install.service.network-lo
ln -sf "${DESTDIR}/${CINIT_DIR}/network/lo" "${DESTDIR}/${CINIT_DIR}/network/$C_NEEDS"

# - init service + echo
# init depends on mount, getty -> everything from base-layout
$(dirname $0)/cinit.install.service.init
"$INSTALL_PROG" "$INSTALL_DIRECTORY"  "${DESTDIR}/${CINIT_DIR}/${C_INIT}/${C_NEEDS}"

ln -sf "${DESTDIR}/${CINIT_DIR}/local-services/" "${DESTDIR}/${CINIT_DIR}/${C_INIT}/${C_NEEDS}"
ln -sf "${DESTDIR}/${CINIT_DIR}/getty/" "${DESTDIR}/${CINIT_DIR}/${C_INIT}/${C_NEEDS}"
ln -sf "${DESTDIR}/${CINIT_DIR}/local-tuning/" "${DESTDIR}/${CINIT_DIR}/${C_INIT}/${C_NEEDS}"
ln -sf "${DESTDIR}/${CINIT_DIR}/network/" "${DESTDIR}/${CINIT_DIR}/${C_INIT}/${C_NEEDS}"