#!/bin/bash
##################################################################### 
# Minera builder script to build and update miner software binaries
#
# For usage just run the build_miner.sh without any argument
#
# Thanks to @brettvitaz https://github.com/brettvitaz
#
# modded by wareck@gmail.com
#
##################################################################### 


set -u
set -e
VERSION=4.5
 
LINK_ONLY=0
BUILD_OK=0
DYNLINK=0
 
MINERA_PATH="/var/www/minera"
BINARY_PATH="$MINERA_PATH/minera-bin"
SOURCE_PATH="$BINARY_PATH/src"
 
CPUMINER_REPO="https://github.com/siklon/cpuminer-gc3355"
CPUMINER_PATH="$SOURCE_PATH/cpuminer-gc3355"
CPUMINER_CONFIG="CFLAGS=-O3"
CPUMINER_BINARY="minerd"
CPUMINER_MINERA_BINARY="minerd"
 
BFGMINER_REPO="https://github.com/luke-jr/bfgminer.git"
BFGMINER_PATH="$SOURCE_PATH/bfgminer"
BFGMINER_CONFIG="--enable-scrypt --enable-keccak --enable-bfsb --enable-broad-udevrules --without-system-libbase58"
BFGMINER_BINARY="bfgminer"
BFGMINER_MINERA_BINARY="bfgminer"
 
CGMINER_DMAXL_REPO="https://github.com/wareck/cgminer-lketc.git"
CGMINER_DMAXL_PATH="$SOURCE_PATH/cgminer-lketc"
CGMINER_DMAXL_CONFIG="--enable-scrypt --enable-gridseed --enable-zeus --enable-lketc"
CGMINER_DMAXL_BINARY="cgminer"
CGMINER_DMAXL_MINERA_BINARY="cgminer-dmaxl-zeus"
 
CGMINER_REPO="https://github.com/ckolivas/cgminer.git"
CGMINER_PATH="$SOURCE_PATH/cgminer"
CGMINER_CONFIG="--enable-avalon --enable-bflsc --enable-bitforce --enable-bitfury  --enable-blockerupter   --enable-cointerra --enable-drillbit  --enable-hashfast  --enable-hashratio  --enable-icarus  --enable-klondike  --enable-modminer"
CGMINER_BINARY="cgminer"
CGMINER_MINERA_BINARY="cgminer"

BITMINER_REPO="https://github.com/wareck/cgminer-hexminer.git"
BITMINER_PATH="$SOURCE_PATH/cgminer-hex"
BITMINER_CONFIG="--enable-hexminera --enable-hexminerb  --enable-hexmineru --enable-hexminerc  --enable-hexminer8 --enable-hexminerm --enable-hexminerr --enable-hexminerbe200 --enable-hexminer3"
BITMINER_BINARY="cgminer"
BITMINER_MINERA_BINARY="cgminer-hex"

CGMINER_GK_REPO="https://wareck@bitbucket.org/wareck/cgminer-gekko.git"
CGMINER_GK_PATH="$SOURCE_PATH/cgminer-gekko"
CGMINER_GK_CONFIG="--enable-gekko --enable-bflsc --enable-icarus"
CGMINER_GK_BINARY="cgminer"
CGMINER_GK_MINERA_BINARY="cgminer-gekko"

BFGMINER_MOON_REPO="https://github.com/wareck/bfgminer.git"
BFGMINER_MOON_PATH="$SOURCE_PATH/bfgminer-moon"
BFGMINER_MOON_CONFIG="--enable-scrypt --enable-futurebit --disable-other-drivers --without-system-libbase58"
BFGMINER_MOON_BINARY="bfgminer"
BFGMINER_MOON_MINERA_BINARY="bfgminer-futurebit2"

if [ ! -d /var/www/minera/minera-bin/custom ]
then
sudo bash -c 'mkdir /var/www/minera/minera-bin/custom'
fi

function buildMiner {
	if [[ $LINK_ONLY -eq 0 ]]; then
		if [[ -d "$BUILD_PATH/.git" ]]; then
			cd $BUILD_PATH
			echo "Pulling repo $BUILD_REPO"
			git fetch --all
			git reset --hard
		else
			echo "Cloning repo $BUILD_REPO into $BUILD_PATH"
			git clone $BUILD_REPO $BUILD_PATH 
			cd $BUILD_PATH
		fi
		./autogen.sh
		echo "Running ./configure $BUILD_CONFIG"
		./configure ${BUILD_CONFIG}
		make
		sudo make install
		sudo ldconfig
	fi
 if [[ -f $BINARY_PATH/$MINERA_BINARY ]]; then
                sleep 1
                else
                echo "build temporary file..."
                touch $BINARY_PATH/$MINERA_BINARY
		fi
	

	if [[ -e "$BUILD_PATH/$BUILD_BINARY" ]]; then
                echo "Removing old binary $BINARY_PATH/$MINERA_BINARY"
                rm $BINARY_PATH/$MINERA_BINARY
		echo "Copying new binary $BUILD_PATH/$BUILD_BINARY -> $BINARY_PATH/$MINERA_BINARY"
		cp $BUILD_PATH/$BUILD_BINARY $BINARY_PATH/$MINERA_BINARY
	else
		echo "Failed to copy miner binary. File $BUILD_PATH/$BUILD_BINARY does not exist."
	fi
	if [[ $DYNLINK -eq 1 ]]; then
		if [[ -e "/var/www/minera/minera-bin/custom/$MINERA_BINARY" ]]; then
		rm /var/www/minera/minera-bin/custom/$MINERA_BINARY
		fi
		echo "Creating symlink to custom miner"
		ln -s $BINARY_PATH/$MINERA_BINARY /var/www/minera/minera-bin/custom/$MINERA_BINARY
	fi
}
 
ARGS="${@/%all/cpuminer bfgminer cgminer-dmaxl cgminer cgminer-hex cgminer-gekko bfgminer-moon}"
 
if [[ -d "$SOURCE_PATH" ]]; then
	for OPT in $ARGS; do
		echo "$OPT"
		if [[ $OPT = "-l" ]]; then
			LINK_ONLY=1
		elif [[ $OPT = "all" ]]; then
			ARGS="cpuminer bfgminer cgminer-dmaxl cgminer cgminer-hex cgminer-gekko bfgminer-moon"
		elif [[ $OPT = "cpuminer" ]]; then
			BUILD_REPO=$CPUMINER_REPO
			BUILD_PATH=$CPUMINER_PATH
			BUILD_CONFIG=$CPUMINER_CONFIG
			BUILD_BINARY=$CPUMINER_BINARY
			MINERA_BINARY=$CPUMINER_MINERA_BINARY
			BUILD_OK=1
		elif [[ $OPT = "bfgminer" ]]; then
			BUILD_REPO=$BFGMINER_REPO
			BUILD_PATH=$BFGMINER_PATH
			BUILD_CONFIG=$BFGMINER_CONFIG
			BUILD_BINARY=$BFGMINER_BINARY
			MINERA_BINARY=$BFGMINER_MINERA_BINARY
			BUILD_OK=1
		elif [[ $OPT = "cgminer-dmaxl" ]]; then
			BUILD_REPO=$CGMINER_DMAXL_REPO
			BUILD_PATH=$CGMINER_DMAXL_PATH
			BUILD_CONFIG=$CGMINER_DMAXL_CONFIG
			BUILD_BINARY=$CGMINER_DMAXL_BINARY
			MINERA_BINARY=$CGMINER_DMAXL_MINERA_BINARY
			BUILD_OK=1
		elif [[ $OPT = "cgminer" ]]; then
			BUILD_REPO=$CGMINER_REPO
			BUILD_PATH=$CGMINER_PATH
			BUILD_CONFIG=$CGMINER_CONFIG
			BUILD_BINARY=$CGMINER_BINARY
			MINERA_BINARY=$CGMINER_MINERA_BINARY
			BUILD_OK=1
		elif [[ $OPT = "cgminer-hex" ]]; then
                        BUILD_REPO=$BITMINER_REPO
                        BUILD_PATH=$BITMINER_PATH
                        BUILD_CONFIG=$BITMINER_CONFIG
                        BUILD_BINARY=$BITMINER_BINARY
                        MINERA_BINARY=$BITMINER_MINERA_BINARY
                        BUILD_OK=1
			DYNLINK=1
               	elif [[ $OPT = "cgminer-gekko" ]]; then
			BUILD_REPO=$CGMINER_GK_REPO
			BUILD_PATH=$CGMINER_GK_PATH
			BUILD_CONFIG=$CGMINER_GK_CONFIG
			BUILD_BINARY=$CGMINER_GK_BINARY
			MINERA_BINARY=$CGMINER_GK_MINERA_BINARY
			BUILD_OK=1
			DYNLINK=1
  		elif [[ $OPT = "bfgminer-moon" ]]; then
    		        BUILD_REPO=$BFGMINER_MOON_REPO
                        BUILD_PATH=$BFGMINER_MOON_PATH
                        BUILD_CONFIG=$BFGMINER_MOON_CONFIG
                        BUILD_BINARY=$BFGMINER_MOON_BINARY
                        MINERA_BINARY=$BFGMINER_MOON_MINERA_BINARY
                        BUILD_OK=1
                        DYNLINK=1
		else

			echo "Option not recognized = $OPT"
			BUILD_OK=0
		fi
		if [[ $BUILD_OK -eq 1 ]]; then
			buildMiner
		fi
	done
	if [[ $BUILD_OK -eq 0 ]]; then
			echo " "
			echo -e "\e[1m\e[33mBinary mining autobuilder \e[31mv$VERSION"
			echo -e "\e[0m\e[39mUsage: build_miner.sh [OPTION] [MINER NAME(S)]..."
			echo ""
			echo "Arguments:"
			echo "  -l                Link binaries only (do not build)"
			echo ""
			echo "Miner Names:"
			echo "  cgminer          cgminer official"
			echo "  cpuminer         cpuminer GC3355 fork"
			echo "  bfgminer         bfgminer official"
			echo "  cgminer-dmaxl    cgminer scrypt fork (GridSeed Zeus and Lketc support)"
			echo "  cgminer-hex      cgminer HexMiner special"
			echo "  cgminer-gekko    cgminer with gekko support"
			echo "  bfgminer-moon    bfgminer Futurebit Moonlander"
			echo "  all              build all the above"
			echo ""
	fi
else
	echo "Minera source folder does not exist. Please install Minera prior to building the miners."
fi