Manic Digger install script for Debian based distros

#!/bin/bash
# This script downloads and installs/updates Manic Digger for Debian-based distros
# Version: 1.0
# Author: Zarko Zivanov
# Licence: GPL v3

# Usage:
# - download, save as InstallManicDigger.sh
# - run with
#       bash InstallManicDigger.sh
#   or make it executable and run it as usual
# - enter root password if prompted (needed for installing dependencies)

#Install dependencies
for dep in mono-complete libxi6 libgl1-mesa-dev libopenal1 wget unzip icoutils; do
    installed=$(dpkg -l $dep | grep "ii  $dep")
    if [ "$installed" == "" ]; then
        sudo apt-get install $dep
    fi
done

# Download latest binary
BINZIP=/tmp/ManicDiggerBinary.zip
wget -O $BINZIP http://sourceforge.net/projects/manicdigger/files/latest/download?source=files

# Unpack files
INSTALLDIR=~/Manic\ Digger
UNPACKDIR=/tmp/ManicDiggerUnpack/
unzip -o "$BINZIP" -d "$UNPACKDIR"
mkdir -p "$INSTALLDIR"
cp -rf "$UNPACKDIR"/ManicDigger20*/* "$INSTALLDIR"

# Extract icon
wrestool -x -t 14 -o "$UNPACKDIR" "$INSTALLDIR"/ManicDigger.exe
icotool -x "$UNPACKDIR"/*.ico -o "$INSTALLDIR"/ManicDigger.png

# Create launcher
LAUNCHER=~/Desktop/Manic\ Digger.desktop
echo -e "#!/usr/bin/env xdg-open" > "$LAUNCHER"
echo -e "\n[Desktop Entry]" >> "$LAUNCHER"
echo -e "\nVersion=1.0" >> "$LAUNCHER"
echo -e "\nType=Application" >> "$LAUNCHER"
echo -e "\nTerminal=false" >> "$LAUNCHER"
echo -e "\nExec=mono \"$INSTALLDIR/ManicDigger.exe\"" >> "$LAUNCHER"
echo -e "\nPath=$INSTALLDIR" >> "$LAUNCHER"
echo -e "\nName=Manic Digger" >> "$LAUNCHER"
echo -e "\nIcon=$INSTALLDIR/ManicDigger.png"  >> "$LAUNCHER"
chmod 755 "$LAUNCHER"
cp "$LAUNCHER" ~/.local/share/applications/

# Delete temporary files
rm -rf "$UNPACKDIR"
rm -f "$BINZIP"