#!/bin/bash
#===========================
# UMVIRT LINUX FROM SCRATCH 
#===========================
# Compilation script.
# Network mode. 
#===========================
# Release: 0.1
# Package: python2
#===========================
# DB commit: d35a620850806ab581b32cb34d268a904c9c0a5f
# APP commit: e4df7951dd35c1c88bd41957abe886af15d0a2eb
#===========================

echo "ULFS Package installation start"
echo "==============================="
echo "Package: python2" 
echo "Release: 0.1" 

echo "loading environment settings(profile)"
. /etc/profile
echo "checking config file"
if [ -f $ULFS_CONFIG_FILE ]
then
echo "loading config file $ULFS_CONFIG_FILE..."
. $ULFS_CONFIG_FILE
fi
#Creating log directory
mkdir -p /var/log/ulfs-packages/python2/
#Saving start timestamp
date +%s > /var/log/ulfs-packages/python2/start.time
#Going to source directory...
cd /sources
#Checking dependances...
      #Checking tcl...
      if [ ! -f /var/cache/ulfs-packages/tcl ]; then
           echo "Dependance \"tcl\" not found. Trying to install...";
           wget --no-check-certificate https://umvirt.com/linux/packages//0.1/tcl/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/tcl ]; then
	             echo "Dependance \"tcl\" is not installed. Exiting..."
               exit
           fi
      fi
      #Checking tk...
      if [ ! -f /var/cache/ulfs-packages/tk ]; then
           echo "Dependance \"tk\" not found. Trying to install...";
           wget --no-check-certificate https://umvirt.com/linux/packages//0.1/tk/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/tk ]; then
	             echo "Dependance \"tk\" is not installed. Exiting..."
               exit
           fi
      fi
#Saving downloading timestamp
date +%s > /var/log/ulfs-packages/python2/download.time
#Downloading source package archive...
wget --no-check-certificate -nc https://umvirt.com/linux/downloads/0.1/packages/p/Python-2.7.15.tar.xz.md5sum
wget --no-check-certificate -nc https://umvirt.com/linux/downloads/0.1/packages/p/Python-2.7.15.tar.xz
#Checking source package file existance
if [ ! -f Python-2.7.15.tar.xz ]; then
echo "Error: Can't find Python-2.7.15.tar.xz. Exiting!"
exit
fi
#Checking source package file checksum
if [ -f Python-2.7.15.tar.xz.md5sum ]; then
    MD5=`LANG=C md5sum -c Python-2.7.15.tar.xz.md5sum | grep OK`
    if [ "$MD5" == "" ] ; then
    echo "Error: Checksum of Python-2.7.15.tar.xz is wrong. Exiting!"
    exit
    fi
fi
    #Saving cleanup timestamp
    date +%s > /var/log/ulfs-packages/python2/cleanup.time
rm -rfv /sources/Python-2.7.15/
#Saving extracting timestamp
date +%s > /var/log/ulfs-packages/python2/unpack.time
#Extracting tar source package archive with default parameters...
tar -xf Python-2.7.15.tar.xz
#Checking package directory size after unpack...
du -s Python-2.7.15 | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/python2/unpack.size 
#Going to source package directory...
cd Python-2.7.15
#Saving configuration timestamp
date +%s > /var/log/ulfs-packages/python2/configure.time
#Sleep 1 second
sleep 1
#Running configuration script...
./configure --prefix=/usr       \
            --enable-shared     \
            --with-system-expat \
            --with-system-ffi   \
            --with-ensurepip=yes \
            --enable-unicode=ucs4
#Saving build timestamp
date +%s > /var/log/ulfs-packages/python2/build.time
#Running build script...
make
#Saving install timestamp
date +%s > /var/log/ulfs-packages/python2/install.time
#Running install script...
cat > ulfs_install.sh << EOIS
make install &&
chmod -v 755 /usr/lib/libpython2.7.so.1.0
EOIS
echo "/sbin/ldconfig" >> ulfs_install.sh
USER=`whoami`
if [ "$USER" == "root" ] ; then 
cat ulfs_install.sh | bash 2>&1 | tee /var/log/ulfs-packages/python2/install.log 
else
cat ulfs_install.sh | sudo bash 2>&1 | tee /var/log/ulfs-packages/python2/install.log 
fi
#Saving finish timestamp
date +%s > /var/log/ulfs-packages/python2/finish.time
#Checking package directory size after unpack...
cd /sources 
du -s Python-2.7.15 | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/python2/install.size 
echo "ULFS package installation completed."
#Producing files list
echo "Looking for installed files..."
if [  -f /var/log/ulfs-packages/python2/files.txt ]; then
rm /var/log/ulfs-packages/python2/files.txt
fi
USER=`whoami`
if [ "$USER" == "root" ] ; then 
find /bin -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
find /sbin -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
find /usr -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
find /etc -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time \! -path /etc/ld.so.cache >> /var/log/ulfs-packages/python2/files.txt
find /opt -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
find /lib -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
find /lib64 -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
find /var -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time \! -path "/var/log/ulfs-packages/python2/*" \! -path /var/cache/ldconfig/aux-cache >> /var/log/ulfs-packages/python2/files.txt
else
sudo find /bin -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
sudo find /sbin -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
sudo find /usr -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
sudo find /etc -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time \! -path /etc/ld.so.cache >> /var/log/ulfs-packages/python2/files.txt
sudo find /opt -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
sudo find /lib -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
sudo find /lib64 -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time >> /var/log/ulfs-packages/python2/files.txt
sudo find /var -type f -newer /var/log/ulfs-packages/python2/configure.time \! -newer /var/log/ulfs-packages/python2/finish.time \!  -path "/var/log/ulfs-packages/python2/*"  \! -path /var/cache/ldconfig/aux-cache >> /var/log/ulfs-packages/python2/files.txt
fi
#Marking package as installed...
mkdir -p /var/cache/ulfs-packages
USER=`whoami`
if [ "$USER" == "root" ] ; then 
touch /var/cache/ulfs-packages/python2
else
sudo touch /var/cache/ulfs-packages/python2
fi
#Calculate delta size
a=`cat /var/log/ulfs-packages/python2/unpack.size`
b=`cat /var/log/ulfs-packages/python2/install.size`
c=$(($b-$a))
echo $c > /var/log/ulfs-packages/python2/delta.size 
#Calculate prepare time
a=`cat /var/log/ulfs-packages/python2/start.time`
b=`cat /var/log/ulfs-packages/python2/configure.time`
dp=$(($b-$a))
#Calculate download time
a=`cat /var/log/ulfs-packages/python2/download.time`
b=`cat /var/log/ulfs-packages/python2/unpack.time`
dd=$(($b-$a))
#Calculate delta time
a=`cat /var/log/ulfs-packages/python2/configure.time`
b=`cat /var/log/ulfs-packages/python2/finish.time`
db=$(($b-$a))
echo $db > /var/log/ulfs-packages/python2/delta.time 
#Report
echo ""
echo "ULFS Package installation report"
echo "================================"
echo "Package: python2" 
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