#!/bin/bash
# Script to automate gitian builds for Dogecoin.
# Credit goes to Andymeows for sorting out my stupidity.
#
# I don't like how checking the dependencies are a bunch of if statements.
# If anyone has a better way of doing so, please change it or tell stapler117@github.
#
# todo: download deps and check their integrity

export USE_LXC=1

function deps_check ()
{
while [ $# -gt 0 ]
do
command -V "$1" > /dev/null
if [ $? != 0 ]
then
    echo "you are missing $1"
    echo "To install all the needed dependencies: sudo apt-get install zip git apt-acher-ng python-vm-builder ruby libvirt-bin debootstrap gpg ssh"
    exit 1
fi
shift
done
}

deps_check zip git apache2 apt-cacher-ng vmbuilder ruby debootstrap gpg ssh lxc-create

echo "Good. It looks like you have everything you need!"
echo ""

echo "Testing github readyness."
if [ ! -e ~/.ssh/id_rsa.pub ] #if keypair has not been made, then git is not ready
then
    ssh-keyen -t rsa
    cat ~/.ssh/id_rsa.pub
    echo "Please add your new ssh public key to github before continuing."
    exit 1
fi
ssh -T git@github.com
echo "Did you see a welcome mesage from Github with your username in it? (Y/n)"
read confirm
case "$confirm" in
    "N"|"n" )
    echo "You need to add your ssh public key to github."
    cat ~/.ssh/id_rsa.pub
    exit 2
    ;;
    *)
    echo "Great!"
    ;;
esac

function make_gpg_key ()
{

echo "Now lets deal with gpg"
gpg --list-keys

echo "You should have seen a key listed with the uid starting with your github"
echo "username in the format 'github.com/username' followed by the email in the"
echo "format <username@users.noreply.github.com> here is an example:"
echo "pub   4096R/6D852A36 2014-07-16"
echo "uid                  github.com/stapler117 <stapler117@users.noreply.github.com>"
echo "sub   4096R/7C614536 2014-07-16"
echo ""
echo "Is that close to what you saw?(Y/n)"

read confirm
case "$confirm" in
    "N"|"n" )

    echo "Lets create one then."
    echo "The defalts are fine. The 'Real name' needs to be your github username and the "
    echo "email should be your github username followed by users.noreply.github.com"
    echo "Ready? (Y/y)"

    read confirm
    gpg --gen-key
    echo "You just created a gpg key!"
    gpg --list
    echo "Scroll up and see if that looks similar to the example. Is it? (Y/n)"
    read confirm
    if [ "$confirm" != "Y" ] -o [ "$confirm" != "y" ]
    then
        echo "That's fine. Lets try again."
    else
        echo "Fantastic!"
    fi
    ;;
    * )
    echo "Great!"
    ;;
esac
}
make_gpg_key
while [ "$confirm" != "Y" ] -o [ "$confirm" != "y" ]
do
    make_gpg_key
done

echo "How much memory do you want to allocate in MiB?"
read alloc_memory
echo "how many cpu cores do you want to allocate? (1 GiB per core please)"
read alloc_cpu
echo "What version will you be building?"
read VERSION
echo "Who will be signing this? (github username)"
read SIGNER

cd ../..
if [ ! -e ./gitian-builder/bin/make-base-vm  ]
then
    git clone git://github.com/devrandom/gitian-builder
fi
cd gitian-builder

if [ ! -e base-precise-i386.qcow2 ]
then
    echo "Building base i386 VM. This will take some time."
   ./bin/make-base-vm --lxc --arch i386 --suite precise
fi

if [ ! -e base-precise-amd64.qcow2 ]
then
    echo "Building base amd64 VM. This will take some time."
    ./bin/make-base-vm --lxc --arch amd64 --suite precise
fi
echo "Base VM's have finished! Now to build Dogecoin's dependencies"

mkdir inputs &2> /dev/null
cd inputs

if [ ! -e boost_1_55_0.tar.bz2 ]
then
    wget 'https://downloads.sourceforge.net/project/boost/boost/1.55.0/boost_1_55_0.tar.bz2'
fi
if [ ! -e boost-mingw-gas-cross-compile-2013-03-03.patch ]
then
    wget 'https://svn.boost.org/trac/boost/raw-attachment/ticket/7262/boost-mingw.patch' -O boost-mingw-gas-cross-compile-2013-03-03.patch
fi
if [ ! -e db-5.1.29.NC.tar.gz ]
then
    wget 'http://download.oracle.com/berkeley-db/db-5.1.29.NC.tar.gz'
fi
if [ ! -e libpng-1.6.8.tar.gz ]
then
    wget 'https://downloads.sourceforge.net/project/libpng/libpng16/older-releases/1.6.8/libpng-1.6.8.tar.gz'
fi
if [ ! -e miniupnpc-1.9.tar.gz ]
then
    wget 'http://miniupnp.free.fr/files/download.php?file=miniupnpc-1.9.tar.gz' -O miniupnpc-1.9.tar.gz
fi
if [ ! -e openssl-1.0.1h.tar.gz ]
then
    wget 'https://www.openssl.org/source/openssl-1.0.1h.tar.gz'
fi
if [ ! -e protobuf-2.5.0.tar.bz2 ]
then
    wget 'https://protobuf.googlecode.com/files/protobuf-2.5.0.tar.bz2'
fi
if [ ! -e qrencode-3.4.3.tar.bz2 ]
then
    wget 'https://fukuchi.org/works/qrencode/qrencode-3.4.3.tar.bz2'
fi
if [ ! -e qt-everywhere-opensource-src-4.6.4.tar.gz ]
then
    wget 'https://download.qt-project.org/archive/qt/4.6/qt-everywhere-opensource-src-4.6.4.tar.gz'
fi
if [ ! -e qt-everywhere-opensource-src-5.2.0.tar.gz ]
then
    wget 'https://download.qt-project.org/official_releases/qt/5.2/5.2.0/single/qt-everywhere-opensource-src-5.2.0.tar.gz'
fi
if [ ! -e zlib-1.2.8.tar.gz ]
then
    wget 'http://zlib.net/zlib-1.2.8.tar.gz'
fi

echo "Building gitian dependencies."
cd ..
pwd
./bin/gbuild --memory $alloc_memory --num-make $alloc_cpus ../dogecoin/contrib/gitian-descriptors/boost-linux.yml
mv build/out/boost-*.zip inputs/
exit 100
./bin/gbuild --memory $alloc_memory --num-make $alloc_cpus ../dogecoin/contrib/gitian-descriptors/deps-linux.yml
mv build/out/dogecoin-deps-*.zip inputs/

./bin/gbuild --memory $alloc_memory --num-make $alloc_cpus ../dogecoin/contrib/gitian-descriptors/qt-linux.yml
mv build/out/qt-*.tar.gz inputs/

./bin/gbuild --memory $alloc_memory --num-make $alloc_cpus ../dogecoin/contrib/gitian-descriptors/boost-win.yml
mv build/out/boost-*.zip inputs/

./bin/gbuild --memory $alloc_memory --num-make $alloc_cpus ../dogecoin/contrib/gitian-descriptors/deps-win.yml
mv build/out/dogecoin-deps-*.zip inputs/

./bin/gbuild --memory $alloc_memory --num-make $alloc_cpus ../dogecoin/contrib/gitian-descriptors/qt-win.yml
mv build/out/qt-*.zip inputs/

./bin/gbuild --memory $alloc_memory --num-make $alloc_cpus ../dogecoin/contrib/gitian-descriptors/protobuf-win.yml
mv build/out/protobuf-*.zip inputs/


./bin/gbuild --commit dogecoin=v${VERSION} --memory $alloc_memory --num-make $alloc_cpus ../dogecoin/contrib/gitian-descriptors/gitian-linux.yml
./bin/gsign --signer $SIGNER --release ${VERSION} --destination ../gitian.sigs/ ../dogecoin/contrib/gitian-descriptors/gitian-linux.yml
cd build/out
zip -r dogecoin-${VERSION}-linux-gitian.zip *
mv dogecoin-${VERSION}-linux-gitian.zip ../../../
cd ../..

./bin/gbuild --commit dogecoin=v${VERSION} --memory $alloc_memory --num-make $alloc_cpus ../dogecoin/contrib/gitian-descriptors/gitian-win.yml
./bin/gsign --signer $SIGNER --release ${VERSION}-win --destination ../gitian.sigs/ ../dogecoin/contrib/gitian-descriptors/gitian-win.yml
cd build/out
zip -r dogecoin-${VERSION}-win-gitian.zip *
mv dogecoin-${VERSION}-win-gitian.zip ../../../
cd ../..