MPV build script v1.0

#!/bin/bash

TMP_DIR="/media/ramdisk/mpv-build"
BIN_DIR="/home/pintcat/ubin"

function CLEAN()
{
    echo -ne "\n\033[0;32mCleaning up... "
    cd $TMP_DIR/..
    rm -rf $TMP_DIR
    echo -e "done.\033[0m\n"
}

function FAIL()
{
    echo -e "\n\033[0;31mError - something went wrong :(\033[0m"
    CLEAN
    exit 1
}

if [ -d "$TMP_DIR" ]; then
    echo -ne "\n\033[0;32mFolder \""$TMP_DIR"\" already exists and it's content will be deleted. Continue (Y/N)? \033[0m"
    read -n 1 YN
    case $YN in
    y|Y)
        rm -rf $TMP_DIR
        echo
        ;;
    n|N)
        echo -e "\n\033[0;32mDone - nothing changed.\033[0m\n"
        exit
        ;;
    esac
fi
echo -e "\n\033[0;32mDownloading build scripts...\033[0m\n"
if git clone https://github.com/mpv-player/mpv-build.git $TMP_DIR; then
    echo -e "\n\033[0;32mDownloading and building components and linking final binary...\033[0m\n"
    echo "--enable-gpl --enable-nonfree --enable-version3 --enable-static" >> ffmpeg_options
    cd $TMP_DIR
    ./use-ffmpeg-release
    ./use-mpv-release
    if ./rebuild -j5; then
    echo -e "\n\033[0;32mCompressing and installing binary to \""$BIN_DIR"\".\033[0m\n"
    if [ -f "$BIN_DIR/mpv~" ]; then rm -f $BIN_DIR/mpv~; fi
    if [ -f "$BIN_DIR/mpv" ]; then mv $BIN_DIR/mpv $BIN_DIR/mpv~; fi
    upx --lzma --ultra-brute mpv/build/mpv -o $BIN_DIR/mpv
    CLEAN
    else
    FAIL
    fi
else
    FAIL
fi