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

echo "ULFS Package installation start"
echo "==============================="
echo "Package: rustc" 
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/rustc/
#Saving start timestamp
date +%s > /var/log/ulfs-packages/rustc/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
      #Checking curl...
      if [ ! -f /var/cache/ulfs-packages/curl ]; then
           echo "Dependance \"curl\" not found. Trying to install...";
           wget --no-check-certificate https://ulfs.org/linux/packages//0.1/curl/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/curl ]; then
	             echo "Dependance \"curl\" is not installed. Exiting..."
               exit
           fi
      fi
      #Checking libssh2...
      if [ ! -f /var/cache/ulfs-packages/libssh2 ]; then
           echo "Dependance \"libssh2\" not found. Trying to install...";
           wget --no-check-certificate https://ulfs.org/linux/packages//0.1/libssh2/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/libssh2 ]; then
	             echo "Dependance \"libssh2\" is not installed. Exiting..."
               exit
           fi
      fi
#Saving downloading timestamp
date +%s > /var/log/ulfs-packages/rustc/download.time
#Downloading source package archive...
wget --no-check-certificate -nc https://ulfs.org/linux/downloads/package_files/0.1/packages/r/rustc-1.25.0-src.tar.gz.md5sum
wget --no-check-certificate -nc https://ulfs.org/linux/downloads/package_files/0.1/packages/r/rustc-1.25.0-src.tar.gz
#Checking source package file existance
if [ ! -f rustc-1.25.0-src.tar.gz ]; then
echo "Error: Can't find rustc-1.25.0-src.tar.gz. Exiting!"
exit
fi
#Checking source package file checksum
if [ -f rustc-1.25.0-src.tar.gz.md5sum ]; then
    MD5=`LANG=C md5sum -c rustc-1.25.0-src.tar.gz.md5sum | grep OK`
    if [ "$MD5" == "" ] ; then
    echo "Error: Checksum of rustc-1.25.0-src.tar.gz is wrong. Exiting!"
    exit
    fi
fi
    #Saving cleanup timestamp
    date +%s > /var/log/ulfs-packages/rustc/cleanup.time
rm -rfv /sources/rustc-1.25.0-src/
#Saving extracting timestamp
date +%s > /var/log/ulfs-packages/rustc/unpack.time
#Extracting tar source package archive with default parameters...
tar -xf rustc-1.25.0-src.tar.gz
#Checking package directory size after unpack...
du -s rustc-1.25.0-src | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/rustc/unpack.size 
#Going to source package directory...
cd rustc-1.25.0-src
#Saving configuration timestamp
date +%s > /var/log/ulfs-packages/rustc/configure.time
#Sleep 1 second
sleep 1
#Running configuration script...
cat << EOF > config.toml
# see config.toml.example for more possible options
[llvm]
targets = "X86"

# When using system llvm prefer shared libraries
link-shared = true

[build]
# install cargo as well as rust
extended = true

[install]
prefix = "/usr"
docdir = "share/doc/rustc-1.25.0"

[rust]
channel = "stable"
rpath = false

# get reasonably clean output from the test harness
quiet-tests = true

# BLFS does not install the FileCheck executable from llvm,
# so disable codegen tests
codegen-tests = false

[target.x86_64-unknown-linux-gnu]
# delete this *section* if you are not using system llvm.
# NB the output of llvm-config (i.e. help options) may be
# dumped to the screen when config.toml is parsed.
llvm-config = "/usr/bin/llvm-config"

EOF
#Saving build timestamp
date +%s > /var/log/ulfs-packages/rustc/build.time
#Running build script...
export RUSTFLAGS="\$RUSTFLAGS -C link-args=-lffi" &&
./x.py build

#Saving install timestamp
date +%s > /var/log/ulfs-packages/rustc/install.time
#Running install script...
cat > ulfs_install.sh << EOIS
DESTDIR=\${PWD}/install ./x.py install
chown -R root:root install &&
cp -a install/* /
EOIS
USER=`whoami`
if [ "$USER" == "root" ] ; then 
cat ulfs_install.sh | bash 2>&1 | tee /var/log/ulfs-packages/rustc/install.log 
else
cat ulfs_install.sh | sudo bash 2>&1 | tee /var/log/ulfs-packages/rustc/install.log 
fi
#Saving finish timestamp
date +%s > /var/log/ulfs-packages/rustc/finish.time
#Checking package directory size after unpack...
cd /sources 
du -s rustc-1.25.0-src | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/rustc/install.size 
echo "ULFS package installation completed."
#Producing files list
echo "Looking for installed files..."
if [  -f /var/log/ulfs-packages/rustc/files.txt ]; then
rm /var/log/ulfs-packages/rustc/files.txt
fi
USER=`whoami`
if [ "$USER" == "root" ] ; then 
find /bin -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
find /sbin -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
find /usr -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
find /etc -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
find /opt -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
find /lib -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
find /lib64 -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
find /var -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time \! -path "/var/log/ulfs-packages/rustc/*" >> /var/log/ulfs-packages/rustc/files.txt
else
sudo find /bin -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
sudo find /sbin -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
sudo find /usr -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
sudo find /etc -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
sudo find /opt -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
sudo find /lib -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
sudo find /lib64 -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time >> /var/log/ulfs-packages/rustc/files.txt
sudo find /var -type f -newer /var/log/ulfs-packages/rustc/configure.time \! -newer /var/log/ulfs-packages/rustc/finish.time \!  -path "/var/log/ulfs-packages/rustc/*" >> /var/log/ulfs-packages/rustc/files.txt
fi
#Marking package as installed...
mkdir -p /var/cache/ulfs-packages
USER=`whoami`
if [ "$USER" == "root" ] ; then 
touch /var/cache/ulfs-packages/rustc
else
sudo touch /var/cache/ulfs-packages/rustc
fi
#Calculate delta size
a=`cat /var/log/ulfs-packages/rustc/unpack.size`
b=`cat /var/log/ulfs-packages/rustc/install.size`
c=$(($b-$a))
echo $c > /var/log/ulfs-packages/rustc/delta.size 
#Calculate prepare time
a=`cat /var/log/ulfs-packages/rustc/start.time`
b=`cat /var/log/ulfs-packages/rustc/configure.time`
dp=$(($b-$a))
#Calculate download time
a=`cat /var/log/ulfs-packages/rustc/download.time`
b=`cat /var/log/ulfs-packages/rustc/unpack.time`
dd=$(($b-$a))
#Calculate delta time
a=`cat /var/log/ulfs-packages/rustc/configure.time`
b=`cat /var/log/ulfs-packages/rustc/finish.time`
db=$(($b-$a))
echo $db > /var/log/ulfs-packages/rustc/delta.time 
#Report
echo ""
echo "ULFS Package installation report"
echo "================================"
echo "Package: rustc" 
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