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

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

echo "checking config file"
if [ -f $ULFS_CONFIG_FILE ]
then
echo "loading config file $ULFS_CONFIG_FILE..."
. $ULFS_CONFIG_FILE
fi
#Creating log directory
mkdir -p /var/log/ulfs-packages/llvm/
#Saving start timestamp
date +%s > /var/log/ulfs-packages/llvm/start.time
#Going to source directory...
cd /sources
#Checking dependances...
      #Checking python2...
      if [ ! -f /var/cache/ulfs-packages/python2 ]; then
           echo "Dependance \"python2\" not found. Trying to install...";
           wget --no-check-certificate https://ulfs.org/linux/packages//0.1/python2/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/python2 ]; then
	             echo "Dependance \"python2\" is not installed. Exiting..."
               exit
           fi
      fi
      #Checking cmake...
      if [ ! -f /var/cache/ulfs-packages/cmake ]; then
           echo "Dependance \"cmake\" not found. Trying to install...";
           wget --no-check-certificate https://ulfs.org/linux/packages//0.1/cmake/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/cmake ]; then
	             echo "Dependance \"cmake\" is not installed. Exiting..."
               exit
           fi
      fi
#Saving downloading timestamp
date +%s > /var/log/ulfs-packages/llvm/download.time
#Downloading source package archive...
wget --no-check-certificate -nc https://ulfs.org/linux/downloads/package_files/0.1/packages/l/llvm-8.0.1.src.tar.xz.md5sum
wget --no-check-certificate -nc https://ulfs.org/linux/downloads/package_files/0.1/packages/l/llvm-8.0.1.src.tar.xz
#Checking source package file existance
if [ ! -f llvm-8.0.1.src.tar.xz ]; then
echo "Error: Can't find llvm-8.0.1.src.tar.xz. Exiting!"
exit
fi
#Checking source package file checksum
if [ -f llvm-8.0.1.src.tar.xz.md5sum ]; then
    MD5=`LANG=C md5sum -c llvm-8.0.1.src.tar.xz.md5sum | grep OK`
    if [ "$MD5" == "" ] ; then
    echo "Error: Checksum of llvm-8.0.1.src.tar.xz is wrong. Exiting!"
    exit
    fi
fi
#Downloadning add-ons...
#Downloadning add-on  "cfe-8.0.1.src.tar.xz"...
wget --no-check-certificate -nc https://ulfs.org/linux/downloads/package_files/0.1/packages/c/cfe-8.0.1.src.tar.xz.md5sum
wget --no-check-certificate -nc https://ulfs.org/linux/downloads/package_files/0.1/packages/c/cfe-8.0.1.src.tar.xz
#Checking addon file existance
if [ ! -f cfe-8.0.1.src.tar.xz ]; then
echo "Error: Can't find cfe-8.0.1.src.tar.xz. Exiting!"
exit
fi
#Checking add-on file checksum
if [ -f cfe-8.0.1.src.tar.xz.md5sum ]; then
    MD5=`LANG=C md5sum -c cfe-8.0.1.src.tar.xz.md5sum | grep OK`
    if [ "$MD5" == "" ] ; then
    echo "Error: Checksum of cfe-8.0.1.src.tar.xz is wrong. Exiting!"
    exit
    fi
fi
#Downloadning add-on  "compiler-rt-8.0.1.src.tar.xz"...
wget --no-check-certificate -nc https://ulfs.org/linux/downloads/package_files/0.1/packages/c/compiler-rt-8.0.1.src.tar.xz.md5sum
wget --no-check-certificate -nc https://ulfs.org/linux/downloads/package_files/0.1/packages/c/compiler-rt-8.0.1.src.tar.xz
#Checking addon file existance
if [ ! -f compiler-rt-8.0.1.src.tar.xz ]; then
echo "Error: Can't find compiler-rt-8.0.1.src.tar.xz. Exiting!"
exit
fi
#Checking add-on file checksum
if [ -f compiler-rt-8.0.1.src.tar.xz.md5sum ]; then
    MD5=`LANG=C md5sum -c compiler-rt-8.0.1.src.tar.xz.md5sum | grep OK`
    if [ "$MD5" == "" ] ; then
    echo "Error: Checksum of compiler-rt-8.0.1.src.tar.xz is wrong. Exiting!"
    exit
    fi
fi
    #Saving cleanup timestamp
    date +%s > /var/log/ulfs-packages/llvm/cleanup.time
rm -rfv /sources/llvm-8.0.1.src/
#Saving extracting timestamp
date +%s > /var/log/ulfs-packages/llvm/unpack.time
#Extracting tar source package archive with default parameters...
tar -xf llvm-8.0.1.src.tar.xz
#Checking package directory size after unpack...
du -s llvm-8.0.1.src | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/llvm/unpack.size 
#Going to source package directory...
cd llvm-8.0.1.src
#Saving configuration timestamp
date +%s > /var/log/ulfs-packages/llvm/configure.time
#Sleep 1 second
sleep 1
#Running configuration script...
tar -xf ../cfe-8.0.1.src.tar.xz -C tools &&
tar -xf ../compiler-rt-8.0.1.src.tar.xz -C projects &&

mv tools/cfe-8.0.1.src tools/clang &&
mv projects/compiler-rt-8.0.1.src projects/compiler-rt

mkdir -v build &&
cd       build &&

CC=gcc CXX=g++                                  \
cmake -DCMAKE_INSTALL_PREFIX=/usr               \
      -DLLVM_ENABLE_FFI=ON                      \
      -DCMAKE_BUILD_TYPE=Release                \
      -DLLVM_BUILD_LLVM_DYLIB=ON                \
      -DLLVM_LINK_LLVM_DYLIB=ON                 \
      -DLLVM_ENABLE_RTTI=ON                     \
      -DLLVM_TARGETS_TO_BUILD="host;AMDGPU;BPF" \
      -DLLVM_BUILD_TESTS=ON                     \
      -Wno-dev -G Ninja ..
#Saving build timestamp
date +%s > /var/log/ulfs-packages/llvm/build.time
#Running build script...
ninja
#Saving install timestamp
date +%s > /var/log/ulfs-packages/llvm/install.time
#Running install script...
cat > ulfs_install.sh << EOIS
ninja install
EOIS
USER=`whoami`
if [ "$USER" == "root" ] ; then 
cat ulfs_install.sh | bash 2>&1 | tee /var/log/ulfs-packages/llvm/install.log 
else
cat ulfs_install.sh | sudo bash 2>&1 | tee /var/log/ulfs-packages/llvm/install.log 
fi
#Saving finish timestamp
date +%s > /var/log/ulfs-packages/llvm/finish.time
#Checking package directory size after unpack...
cd /sources 
du -s llvm-8.0.1.src | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/llvm/install.size 
echo "ULFS package installation completed."
#Producing files list
echo "Looking for installed files..."
if [  -f /var/log/ulfs-packages/llvm/files.txt ]; then
rm /var/log/ulfs-packages/llvm/files.txt
fi
USER=`whoami`
if [ "$USER" == "root" ] ; then 
find /bin -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
find /sbin -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
find /usr -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
find /etc -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
find /opt -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
find /lib -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
find /lib64 -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
find /var -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time \! -path "/var/log/ulfs-packages/llvm/*" >> /var/log/ulfs-packages/llvm/files.txt
else
sudo find /bin -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
sudo find /sbin -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
sudo find /usr -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
sudo find /etc -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
sudo find /opt -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
sudo find /lib -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
sudo find /lib64 -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time >> /var/log/ulfs-packages/llvm/files.txt
sudo find /var -type f -newer /var/log/ulfs-packages/llvm/configure.time \! -newer /var/log/ulfs-packages/llvm/finish.time \!  -path "/var/log/ulfs-packages/llvm/*" >> /var/log/ulfs-packages/llvm/files.txt
fi
#Marking package as installed...
mkdir -p /var/cache/ulfs-packages
USER=`whoami`
if [ "$USER" == "root" ] ; then 
touch /var/cache/ulfs-packages/llvm
else
sudo touch /var/cache/ulfs-packages/llvm
fi
#Calculate delta size
a=`cat /var/log/ulfs-packages/llvm/unpack.size`
b=`cat /var/log/ulfs-packages/llvm/install.size`
c=$(($b-$a))
echo $c > /var/log/ulfs-packages/llvm/delta.size 
#Calculate prepare time
a=`cat /var/log/ulfs-packages/llvm/start.time`
b=`cat /var/log/ulfs-packages/llvm/configure.time`
dp=$(($b-$a))
#Calculate download time
a=`cat /var/log/ulfs-packages/llvm/download.time`
b=`cat /var/log/ulfs-packages/llvm/unpack.time`
dd=$(($b-$a))
#Calculate delta time
a=`cat /var/log/ulfs-packages/llvm/configure.time`
b=`cat /var/log/ulfs-packages/llvm/finish.time`
db=$(($b-$a))
echo $db > /var/log/ulfs-packages/llvm/delta.time 
#Report
echo ""
echo "ULFS Package installation report"
echo "================================"
echo "Package: llvm" 
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