IL-2 Dedicated Server installation script

il2ds-install.sh

#!/bin/bash

# IL-2 FB Dedicated Server installer.
#
# Run this script with '-h' option to see the usage help:
# il2ds-install.sh -h

# ------------------------------------------------------------------------------
# Definitions
# ------------------------------------------------------------------------------

prog_name=`basename $0`

# Info about patches (file IDs at Google Drive)
declare -A patches_info

patches_info[204]=0B4hbTGD5PQqQODBQTzVQLWVnY2M
patches_info[303]=0B4hbTGD5PQqQTG16S2dKUFJ4Yms
patches_info[304]=0B4hbTGD5PQqQN1hQNFRuR1FpV3c
patches_info[401]=0B4hbTGD5PQqQa3ZlS2xMQjBQcE0
patches_info[402]=0B4hbTGD5PQqQSk50SG1NQm14YTg
patches_info[403]=0B4hbTGD5PQqQd2Z5UTQ3WDd3eEk
patches_info[404]=0B4hbTGD5PQqQZWVndk1RbnlhTzg
patches_info[405]=0B4hbTGD5PQqQaXd6UDAxZlBBVms
patches_info[406]=0B4hbTGD5PQqQdE9SS3B3R3lkcWM
patches_info[407]=0B4hbTGD5PQqQS29MbmlPaGM1TmM
patches_info[4071]=0B4hbTGD5PQqQekNNX1p4dUMtcnM
patches_info[408]=0B4hbTGD5PQqQVGJuaktvMFZicDQ
patches_info[409]=0B4hbTGD5PQqQZXRGQ2ZyZmRyYW8
patches_info[410]=0B4hbTGD5PQqQclRpZGxWdDVpYmc
patches_info[4101]=0B4hbTGD5PQqQemIyRkNhT1ptMlU
patches_info[411]=0B4hbTGD5PQqQSVh6T0F5am0zT0k
patches_info[4111]=0B4hbTGD5PQqQa1IyZ3NCVG5XUDQ
patches_info[412]=0B4hbTGD5PQqQay1Dc0x1RjE0QTg
patches_info[4121]=0B4hbTGD5PQqQVWtLdVpiOFEzZmc
patches_info[4122]=0B4hbTGD5PQqQeXNQWVdSY2x6YlU

patches_names=`echo ${!patches_info[@]}|tr " " "\n"|sort|tr "\n" " "`

# Default path to download to
dw_path=`pwd`"/il2ds/patches/"

# Default server path to unpack to
server_path=`pwd`"/il2ds/"

# Set last available version as default target version
info_keys=($patches_names)
keys_count=${#info_keys[@]}
target_version=${info_keys[keys_count-1]}

# ------------------------------------------------------------------------------
# Parameters parse
# ------------------------------------------------------------------------------

function printHelp {
    echo "NAME"
    echo -e "\t$prog_name"
    echo
    echo "SYNOPSIS"
    echo -e "\t$prog_name " \
        "[-h|--help]" \
        "[-a|--availables]" \
        "[-d|--download download_dir]" \
        "[-o|--output output_dir]" \
        "[-v|--version target_version]"
    echo
    echo "DESCRIPTION"
    echo -e "\t$prog_name is a script which allows you to download and" \
    "install a dedicated server of IL-2 Sturmovik. Server is installed" \
    "by parts called patches which are packed as zip-archives and stored at" \
    "Google Drive. You can specify the directory for storing downloaded" \
    "archives, the directory for server installation and server's" \
    "target version."
    echo
    echo "OPTIONS"
    echo -e "\t-h, --help"
    echo -e "\t\tPrint this help"
    echo
    echo -e "\t-a, --availables"
    echo -e "\t\tPrint available target versions"
    echo
    echo -e "\t-d, --download download_dir"
    echo -e "\t\tSet the directory where downloaded archives will be stored"
    echo
    echo -e "\t-o, --output output_dir"
    echo -e "\t\tSet the directory where server will be installed"
    echo
    echo -e "\t-v, --version target_version"
    echo -e "\t\tSet the target version of server"
    echo
    echo "EXAMPLES"
    echo -e "\t$prog_name -d /tmp"
    echo -e "\t\tDownload archives to /tmp directory"
    echo -e "\t$prog_name -o /opt/games/il2/ds"
    echo -e "\t\tInstall server to /opt/games/il2/ds directory"
    echo -e "\t$prog_name -v 409"
    echo -e "\t\tSet 409 as target version"
    echo -e "\t$prog_name -d /tmp -o /opt/games/il2/ds -v 409"
    echo -e "\t\tSet all previous up together"

    exit 0
}

function printAvailableVersions {
    echo "Available versions are:"
    echo $patches_names
}

function setDownloadDirectory {
    dw_path=$1
}

function setOutputDirectory {
    server_path=$1
}

function setTargetVersion {
    echo $patches_names | grep -w -q $1
    if [[ $? -eq 0 ]]
    then
        target_version=$1
    else
        echo "Wrong target version: $1"
        printAvailableVersions
        exit -1
    fi
}

# Execute getopt on the arguments passed to this program, identified by the
# special character $@
PARSED_OPTIONS=$(getopt -n "$0"  -o had:o:v: --long "help,availables,download:,output:,version:"  -- "$@")

#Bad arguments, something has gone wrong with the getopt command.
if [ $? -ne 0 ];
then
  exit 1
fi

# A little magic, necessary when using getopt.
eval set -- "$PARSED_OPTIONS"

while true;
do
    case "$1" in
        -h|--help)
            printHelp
            shift;;

        -a|--availables)
            printAvailableVersions
            exit 0;;

        -d|--download)
            if [ -n "$2" ];
            then
                setDownloadDirectory $2
            fi
            shift 2;;

        -o|--output)
            if [ -n "$2" ];
            then
                setOutputDirectory $2
            fi
            shift 2;;

        -v|--version)
            if [ -n "$2" ];
            then
                setTargetVersion $2
            fi
            shift 2;;

        --)
            shift
            break;;
    esac
done

# ------------------------------------------------------------------------------
# Directories check
# ------------------------------------------------------------------------------

rm -rf $server_path
mkdir -p $server_path

mkdir -p $dw_path

# ------------------------------------------------------------------------------
# Print selected parameters
# ------------------------------------------------------------------------------

echo -e "Server target version:\t\t" $target_version
echo -e "Downloading archives to:\t" $dw_path
echo -e "Unpacking archives to:\t\t" $server_path

# ------------------------------------------------------------------------------
# Installation routine
# ------------------------------------------------------------------------------

for patch_name in $patches_names
do
    # Init variables
    zip_path="$dw_path/il2-ds-$patch_name.zip"
    extracted_path="$server_path/$patch_name/"

    # Download archive if does not exist and unpack it
    patch_link="https://googledrive.com/host/"${patches_info[$patch_name]}
    wget --no-check-certificate -c -nc $patch_link -O $zip_path
    unzip -u $zip_path -d $server_path

    # Move extracted files to one level up overwriting existing files
    echo "Copying extracted files to one level up..."
    cd $extracted_path
    cp -rf * ..
    cd - > /dev/null
    rm -rf $extracted_path
    echo "Done."

    # Check target version
    if [ "$patch_name" == "$target_version" ]
    then
        break
    fi
done

echo "Installation done."