Minecraft Bedrock Edition's Official Dedicated Linux Server setup and upgrade script.

update_minecraft_bedrock_server.sh

#!/usr/bin/env bash

FORCE=0
while getopts ":f" flag
do
    case "${flag}" in
        f)
            echo "Ignoring $OPTARG"
            FORCE=1
        ;;
        \?)
            echo "Invalid Option -$OPTARG" >&2
        ;;
        :)
            echo "Option -$OPTARG requires an argument." >&2
            exit 1
        ;;
    esac
done

ArchiveURL=$(curl -cL --user-agent 'Mozilla/5.0 (X11; Linux x86_64; rv:96.0) Gecko/20100101 Firefox/96.0' https://www.minecraft.net/en-us/download/server/bedrock 2>>/dev/null | grep bin-linux)

ArchiveURL=${ArchiveURL#*\"}
ArchiveURL=${ArchiveURL%%\"*}

ArchiveFilename=${ArchiveURL##*/}
echo "Latest=${ArchiveFilename}"

mkdir -p bedrock
cd bedrock

[[ -f "current_ver.txt" ]] && CurVer=$(cat current_ver.txt)

if [ "$FORCE" -ne 1 ]; then
    if [ "$ArchiveFilename" == "$CurVer" ]; then
        echo "Server is up to date. You can force it with -f"
        exit 0
    fi
fi

echo $ArchiveFilename > current_ver.txt
echo -n "Downloading..."
curl -OL $ArchiveURL
unzip -o $ArchiveFilename

if [ ! -f "server_start.sh" ]; then
    tee > server_start.sh <<-EOT
#!/usr/bin/env bash

LD_LIBRARY_PATH=. ./bedrock_server
EOT

   chmod +x server_start.sh
fi