#!/bin/bash
if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi
# Create coriolis chroot dir in /opt
mkdir -p /opt/chroot/coriolis

# argh apt with broken proxies and unreliable ISPs, getting fed up with it
cat <<EOF >/tmp/brokenproxy
APT::Acquire::Retries "20";
APT::Get::Fix-Broken "true";
Acquire::http::Pipeline-Depth "0";
Acquire::http::No-Cache=True;
Acquire::BrokenProxy=true;
EOF

echo "adding retries for debootstrap to not fail"
cp /tmp/brokenproxy /etc/apt/apt.conf.d/80-retries
cp /tmp/brokenproxy /opt/chroot/coriolis/etc/apt/apt.conf.d/80-retries

# Install debootstrap and schroot via apt
apt install -y debootstrap schroot
# Install debian/buster chroot using debootstrap
/usr/sbin/debootstrap buster /opt/chroot/coriolis \
                      http://ftp.uk.debian.org/debian
echo "coriolis2" > /opt/chroot/coriolis/etc/debian_chroot
# make coriolis2 profile
mkdir -p /etc/schroot/coriolis2
cp /etc/schroot/default/copyfiles /etc/schroot/coriolis2

# just... don't ask.  yes, really, schroot fails if this is missing
mkdir -p /run/systemd/userdb

# create special nssthingy not copying passwd or shadow
cat <<EOF >/etc/schroot/coriolis2/nssdatabases
# System databases to copy into the chroot from the host system.
#
# <database name>
gshadow
services
protocols
networks
hosts
EOF

# create special fstab not bind-mounting /home
cat <<EOF >/etc/schroot/coriolis2/fstab
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
/proc           /proc           none    rw,bind         0       0
/sys            /sys            none    rw,bind         0       0
/dev            /dev            none    rw,bind         0       0
/dev/pts        /dev/pts        none    rw,bind         0       0
/tmp            /tmp            none    rw,bind         0       0
EOF

# Add coriolis config to schroot.conf
cat <<EOF >>/etc/schroot/schroot.conf
[coriolis]
description=Debian Buster for Coriolis
directory=/opt/chroot/coriolis
groups=sbuild-security,$SUDO_USER,users
type=directory
profile=coriolis2
EOF

echo "Adding the following coriolis section to /etc/schroot/schroot.conf:

[coriolis]
description=Debian Buster for Coriolis
directory=/opt/chroot/coriolis
groups=sbuild-security,$SUDO_USER,users
type=directory
profile=coriolis2

This enables you to chroot into coriolis as an unprivileged user by running
'schroot -c coriolis /bin/bash'
"

# Install apt dependencies in the chroot
cd /tmp
schroot -c coriolis --directory=/tmp /bin/bash << EOF
echo Installing necessary apt dependencies in the chroot
apt-get update -y
apt-get upgrade -y
apt-get install -y automake binutils-dev bison build-essential \
	sysvinit-utils sysvinit-core \
	ccache clang cmake doxygen dvipng flex gcc git graphviz \
	imagemagick libboost-all-dev libboost-python-dev libbz2-dev \
	libmpfr-dev libgmp-dev libmotif-dev libreadline-dev \
	libqwt-dev libtool libx11-dev libxaw7-dev libxml2-dev \
	python2.7 python2.7-dev \
	libxpm-dev libxt-dev python3.7 python3-jinja2 python3-pip \
	python3-setuptools python-dev python-qt4 python-sphinx \
	qt4-dev-tools rapidjson-dev tcl tcl-dev tcl-tclreadline \
	texlive texlive-fonts-extra texlive-lang-french \
	texlive-latex-extra texlive-pictures xfig zlib1g-dev

# yeah don't add systemd in a chroot.  not funny joke
apt-get remove -y systemd

# Create user with same UID in the chroot
useradd -m -p `python3 -c 'import crypt; print (crypt.crypt("1234","Fx"))'` \
                -s /bin/bash $SUDO_USER -k /etc/skel
echo -e "
Added user ${SUDO_USER} with \e[1;91mpassword: 1234\e[0m"

echo -e "
\e[1;91mPlease use command 'passwd ${SUDO_USER}' to change this immediately after this script is run for security purposes.\e[0m
"

# Add convenience variable to chroot user .bash_profile
echo -e 'export PATH=/usr/lib/ccache:"\044PATH"\nexport DISPLAY=:0.0\nexport ALLIANCE_TOP=/home/$SUDO_USER/alliance/install\nexport YOSYS_TOP=/home/$SUDO_USER/yosys\nexport LD_LIBRARY_PATH=\044{ALLIANCE_TOP}/lib:\044{LD_LIBRARY_PATH}\nexport LD_LIBRARY_PATH=\044{ALLIANCE_TOP}/lib64:\044{LD_LIBRARY_PATH}' > /home/$SUDO_USER/.bash_profile
chown $SUDO_USER /home/$SUDO_USER/.bash_profile
chgrp $SUDO_USER /home/$SUDO_USER/.bash_profile

echo -e "Added 'export PATH=/usr/lib/ccache:\"\044PATH\"\nexport DISPLAY=:0.0' to /home/$SUDO_USER/.bash_profile to speed up rebuilds"
EOF

# Build and install yosys from source
# note that a specific version of yosys is needed for ls180 at the moment
schroot -c coriolis --directory=/tmp /bin/bash << EOF
echo "deb-src http://ftp.debian.org/debian buster main" > /etc/apt/sources.list.d/bustersrc.list
apt-get update -y 
apt-get build-dep yosys -y
EOF

runuser $SUDO_USER --preserve-environment -c 'schroot -c coriolis --directory=/tmp /bin/bash << EOF
cd /home/$SUDO_USER
git clone https://github.com/cliffordwolf/yosys.git
cd yosys
git checkout 049e3abf9baf795e69b9ecb9c4f19de6131f8418
make config-clang
make -j$(nproc)
EOF'

schroot -c coriolis --directory=/tmp /bin/bash << EOF
cd /home/$SUDO_USER/yosys
make install
EOF

# Install coriolis2 from source
runuser $SUDO_USER --preserve-environment -c 'schroot -c coriolis --directory=/tmp /bin/bash << EOF
cd /home/$SUDO_USER
source .bash_profile
mkdir -p /home/$SUDO_USER/coriolis-2.x/src
cd /home/$SUDO_USER/coriolis-2.x/src
git clone https://gitlab.lip6.fr/vlsi-eda/coriolis.git
cd coriolis
git checkout devel
./bootstrap/ccb.py --project=coriolis --make="-j$(nproc) install"

# Setup and test coriolisenv
/home/$SUDO_USER/coriolis-2.x/src/coriolis/bootstrap/coriolisEnv.py > /home/$SUDO_USER/coriolisenv
source /home/$SUDO_USER/.bash_profile
source /home/$SUDO_USER/coriolisenv
EOF'

# Install alliance from source
runuser $SUDO_USER --preserve-environment -c 'schroot -c coriolis --directory=/tmp /bin/bash <<    EOF
cd /home/$SUDO_USER
source coriolisenv
git clone https://gitlab.lip6.fr/vlsi-eda/alliance.git
mkdir -p /home/$SUDO_USER/alliance/build /home/$SUDO_USER/alliance/install
mv alliance/alliance/src alliance
rm -rf alliance/alliance
cd alliance/src
./autostuff
cd /home/$SUDO_USER/alliance/build
../src/configure --prefix=/home/$SUDO_USER/alliance/install --enable-alc-shared
EOF'

schroot -c coriolis --directory=/tmp /bin/bash << EOF
cd /home/$SUDO_USER/alliance/build
source /home/$SUDO_USER/coriolisenv
make -j1 install
EOF

# Install and configure alliance-check-toolkit
runuser $SUDO_USER --preserve-environment -c 'schroot -c coriolis --directory=/tmp /bin/bash << EOF
cd /home/$SUDO_USER
git clone https://gitlab.lip6.fr/vlsi-eda/alliance-check-toolkit.git
source coriolisenv
touch alliance-check-toolkit/etc/mk/users.d/user-$SUDO_USER.mk
cat <<EOG >>alliance-check-toolkit/etc/mk/users.d/user-$SUDO_USER.mk
export CORIOLIS_TOP=/home/$SUDO_USER/coriolis-2.x/Linux.x86_64/Release.Shared/install
export ALLIANCE_TOP=/home/$SUDO_USER/alliance/install
export CHECK_TOOLKIT=/home/$SUDO_USER/alliance-check-toolkit
export YOSYS_TOP=/home/$SUDO_USER/yosys
EOG
source /home/$SUDO_USER/.bash_profile
cd alliance-check-toolkit/benchs/ARM/cmos
make lvx
echo -e "
\e[1;91mSelect File -> Open Cell or press CTRL + o then enter as the cell name 'arm_chip_cts_r' without the single quotation marks.\e[0m
"
make cgt
EOF'