#!/bin/bash
#===========================
# UMVIRT LINUX FROM SCRATCH 
#===========================
# Compilation script.
# Network mode. 
#===========================
# Release: 0.1
# Package: systemd
#===========================
# DB commit: d35a620850806ab581b32cb34d268a904c9c0a5f
# APP commit: 1ca4178aea919e4c9e869e3d650ff8af9678bd6f
#===========================

echo "ULFS Package installation start"
echo "==============================="
echo "Package: systemd" 
echo "Release: 0.1" 

echo "checking config file"
if [ -f $ULFS_CONFIG_FILE ]
then
echo "loading config file $ULFS_CONFIG_FILE..."
. $ULFS_CONFIG_FILE
fi
#Creating log directory
mkdir -p /var/log/ulfs-packages/systemd/
#Saving start timestamp
date +%s > /var/log/ulfs-packages/systemd/start.time
#Going to source directory...
cd /sources
#Checking dependances...
      #Checking polkit...
      if [ ! -f /var/cache/ulfs-packages/polkit ]; then
           echo "Dependance \"polkit\" not found. Trying to install...";
           wget --no-check-certificate https://umvirt.com/linux/packages//0.1/polkit/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/polkit ]; then
	             echo "Dependance \"polkit\" is not installed. Exiting..."
               exit
           fi
      fi
      #Checking Linux-PAM...
      if [ ! -f /var/cache/ulfs-packages/Linux-PAM ]; then
           echo "Dependance \"Linux-PAM\" not found. Trying to install...";
           wget --no-check-certificate https://umvirt.com/linux/packages//0.1/Linux-PAM/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/Linux-PAM ]; then
	             echo "Dependance \"Linux-PAM\" is not installed. Exiting..."
               exit
           fi
      fi
#Saving downloading timestamp
date +%s > /var/log/ulfs-packages/systemd/download.time
#Downloading source package archive...
wget --no-check-certificate -nc https://umvirt.com/linux/downloads/0.1/packages/s/systemd-239.tar.gz.md5sum
wget --no-check-certificate -nc https://umvirt.com/linux/downloads/0.1/packages/s/systemd-239.tar.gz
#Checking source package file existance
if [ ! -f systemd-239.tar.gz ]; then
echo "Error: Can't find systemd-239.tar.gz. Exiting!"
exit
fi
#Checking source package file checksum
if [ -f systemd-239.tar.gz.md5sum ]; then
    MD5=`LANG=C md5sum -c systemd-239.tar.gz.md5sum | grep OK`
    if [ "$MD5" == "" ] ; then
    echo "Error: Checksum of systemd-239.tar.gz is wrong. Exiting!"
    exit
    fi
fi
#Downloadning patches...
wget --no-check-certificate -nc https://umvirt.com/linux/downloads/0.1/patches/systemd-239-glibc_statx_fix-1.patch
    #Saving cleanup timestamp
    date +%s > /var/log/ulfs-packages/systemd/cleanup.time
rm -rfv /sources/systemd-239/
#Saving extracting timestamp
date +%s > /var/log/ulfs-packages/systemd/unpack.time
#Extracting tar source package archive with default parameters...
tar -xf systemd-239.tar.gz
#Checking package directory size after unpack...
du -s systemd-239 | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/systemd/unpack.size 
#Going to source package directory...
cd systemd-239
#Applying patches...
patch -Np -i ../systemd-239-glibc_statx_fix-1.patch
#Saving configuration timestamp
date +%s > /var/log/ulfs-packages/systemd/configure.time
#Sleep 1 second
sleep 1
#Running configuration script...
sed -i 's/GROUP="render", //' rules/50-udev-default.rules.in

mkdir build &&
cd    build &&

meson --prefix=/usr         \
      --sysconfdir=/etc     \
      --localstatedir=/var  \
      -Dblkid=true          \
      -Dbuildtype=release   \
      -Ddefault-dnssec=no   \
      -Dfirstboot=false     \
      -Dinstall-tests=false \
      -Dldconfig=false      \
      -Drootprefix=         \
      -Drootlibdir=/lib     \
      -Dsplit-usr=true      \
      -Dsysusers=false      \
      -Db_lto=false         \
      ..
#Saving build timestamp
date +%s > /var/log/ulfs-packages/systemd/build.time
#Running build script...
ninja
#Saving install timestamp
date +%s > /var/log/ulfs-packages/systemd/install.time
#Running install script...
cat > ulfs_install.sh << EOIS
ninja install
rm -rfv /usr/lib/rpm

cat >> /etc/pam.d/system-session << "EOF"
# Begin Systemd addition
    
session   required    pam_loginuid.so
session   optional    pam_systemd.so

# End Systemd addition
EOF

cat > /etc/pam.d/systemd-user << "EOF"
# Begin /etc/pam.d/systemd-user

account  required pam_access.so
account  include  system-account

session  required pam_env.so
session  required pam_limits.so
session  include  system-session

auth     required pam_deny.so
password required pam_deny.so

# End /etc/pam.d/systemd-user
EOF

systemctl daemon-reload
systemctl start multi-user.target
EOIS
USER=`whoami`
if [ "$USER" == "root" ] ; then 
cat ulfs_install.sh | bash 2>&1 | tee /var/log/ulfs-packages/systemd/install.log 
else
cat ulfs_install.sh | sudo bash 2>&1 | tee /var/log/ulfs-packages/systemd/install.log 
fi
#Saving finish timestamp
date +%s > /var/log/ulfs-packages/systemd/finish.time
#Checking package directory size after unpack...
cd /sources 
du -s systemd-239 | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/systemd/install.size 
echo "ULFS package installation completed."
#Producing files list
echo "Looking for installed files..."
if [  -f /var/log/ulfs-packages/systemd/files.txt ]; then
rm /var/log/ulfs-packages/systemd/files.txt
fi
USER=`whoami`
if [ "$USER" == "root" ] ; then 
find /bin -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
find /sbin -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
find /usr -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
find /etc -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
find /opt -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
find /lib -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
find /lib64 -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
find /var -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time \! -path "/var/log/ulfs-packages/systemd/*" >> /var/log/ulfs-packages/systemd/files.txt
else
sudo find /bin -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
sudo find /sbin -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
sudo find /usr -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
sudo find /etc -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
sudo find /opt -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
sudo find /lib -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
sudo find /lib64 -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time >> /var/log/ulfs-packages/systemd/files.txt
sudo find /var -type f -newer /var/log/ulfs-packages/systemd/configure.time \! -newer /var/log/ulfs-packages/systemd/finish.time \!  -path "/var/log/ulfs-packages/systemd/*" >> /var/log/ulfs-packages/systemd/files.txt
fi
#Marking package as installed...
mkdir -p /var/cache/ulfs-packages
USER=`whoami`
if [ "$USER" == "root" ] ; then 
touch /var/cache/ulfs-packages/systemd
else
sudo touch /var/cache/ulfs-packages/systemd
fi
#Calculate delta size
a=`cat /var/log/ulfs-packages/systemd/unpack.size`
b=`cat /var/log/ulfs-packages/systemd/install.size`
c=$(($b-$a))
echo $c > /var/log/ulfs-packages/systemd/delta.size 
#Calculate prepare time
a=`cat /var/log/ulfs-packages/systemd/start.time`
b=`cat /var/log/ulfs-packages/systemd/configure.time`
dp=$(($b-$a))
#Calculate download time
a=`cat /var/log/ulfs-packages/systemd/download.time`
b=`cat /var/log/ulfs-packages/systemd/unpack.time`
dd=$(($b-$a))
#Calculate delta time
a=`cat /var/log/ulfs-packages/systemd/configure.time`
b=`cat /var/log/ulfs-packages/systemd/finish.time`
db=$(($b-$a))
echo $db > /var/log/ulfs-packages/systemd/delta.time 
#Report
echo ""
echo "ULFS Package installation report"
echo "================================"
echo "Package: systemd" 
echo "Release: 0.1" 
echo "Build size: $c" 
echo "Prepare time: $dp sec." 
echo "Download time: $dd sec." 
echo "Build time: $db sec." 

#End of script