425 lines
14 KiB
Bash
Executable File
425 lines
14 KiB
Bash
Executable File
#!/bin/bash
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#############################################################################################################
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# Auto Update & Run PaperMC server script #
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# by jiriks74 #
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# https://github.com/jiriks74/start_papermc.sh #
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# This script is under GPLv3, if you want to distribute changes you have to do so under the same license #
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# and acknowledge the original script and author. #
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#############################################################################################################
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CURRENT_SCRIPT_VERSION="v1.0.3"
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# --------------------------------------------------
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# You shouldn't need to change anything in this file
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# Settings are located in 'launch.cfg'
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# --------------------------------------------------
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#
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# The url of the script (used for updating)
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REPO_OWNER="jiriks74"
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REPO_NAME="msman.sh"
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# Check for dependencies
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function check_dependencies {
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# Check if curl is installed
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if ! command -v curl &> /dev/null
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then
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echo "Error: Curl is not installed"
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exit 1
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fi
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# Check if jq is installed
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if ! command -v jq &> /dev/null
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then
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echo "Error: jq is not installed"
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exit 1
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fi
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# Check if awk is installed
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if ! command -v awk &> /dev/null
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then
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echo "Error: awk is not installed"
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exit 1
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fi
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# Check if screen is installed
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if ! command -v screen &> /dev/null
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then
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echo "Error: screen is not installed"
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exit 1
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fi
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}
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# Ask if the user wants to continue anyway
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# If the user doesn't answer in 15 seconds, the script will exit
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function ask_continue {
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if [[ $java_version_override != true ]]; then
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answer=""
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echo "You have 15 seconds to respond before the script exits."
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read -t 15 -p "Do you want to continue anyway? [y/N]: " answer
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if [[ $answer != "y" ]] && [[ $answer != "Y" ]]; then
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echo "Exiting..."
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exit 1
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fi
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fi
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}
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# Set arguments for java
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function set_java_args {
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# Check if $override_flags is not true
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if [[ $override_flags != true ]]; then
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if [[ "${mem%M}" -gt 12000 ]]; then
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G1NewSize=40
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G1MaxNewSize=50
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G1HeapRegionSize=16M
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G1Reserve=15
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InitiatingHeapOccupancy=20
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else
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G1NewSize=30
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G1MaxNewSize=40
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G1HeapRegionSize=8M
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G1Reserve=20
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InitiatingHeapOccupancy=15
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fi
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# Aikar's flags are used by default
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# See https://docs.papermc.io/paper/aikars-flags
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java_launchoptions="-Xms$mem -Xmx$mem -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=$G1NewSize -XX:G1MaxNewSizePercent=$G1MaxNewSize -XX:G1HeapRegionSize=$G1HeapRegionSize -XX:G1ReservePercent=$G1Reserve -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=$InitiatingHeapOccupancy -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true"
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fi
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}
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# Ask if the new server version differs from the old one
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function ask_version_differs {
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echo
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echo
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echo "The current server version differs from the one you selected."
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echo "The server version is $current_version and the selected version is $select_version."
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echo "Do you want to update the server version?"
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echo "This can cause many issues if you don't know what you are doing."
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echo
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echo "I am not responsible for any data loss caused by updating the server version."
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echo
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echo "You have 15 seconds to respond, or the script will exit"
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read -t 15 -p "Do you want to update the server version? [y/N] " version_differs
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if [ "$version_differs" != "y" ] && [ "$version_differs" != "Y" ]; then
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echo "Server version not updated."
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echo "To start the server again with the current version, change the version in the config to $current_version."
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exit 4
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fi
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if [ "$version_differs" == "y" ] || [ "$version_differs" == "Y" ]; then
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read -t 15 -p "Are you sure you want to update the server version? [y/N] " version_differs
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if [ "$version_differs" != "y" ] && [ "$version_differs" != "Y" ]; then
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echo "Server version not updated."
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echo "To start the server again with the current version, change the version in the config to $current_version."
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exit 4
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fi
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fi
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}
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# Ask if the new server version differs from the old one
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function ask_server_differs {
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echo
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echo
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echo "The current server type differs from the one you selected."
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echo "The current server type is $current_server_type and the selected version is $server_type."
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echo "Do you want to change server types?"
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echo "This can cause many issues if you don't know what you are doing."
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echo
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echo "I am not responsible for any data loss caused by changing server types."
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echo
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echo "You have 15 seconds to respond, or the script will exit"
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read -t 15 -p "Do you want to change the server version type? [y/N] " version_differs
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if [ "$version_differs" != "y" ] && [ "$version_differs" != "Y" ]; then
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echo "Server version not updated."
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echo "To start the server again with the current version, change the version in the config to $current_version."
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exit 4
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fi
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if [ "$version_differs" == "y" ] || [ "$version_differs" == "Y" ]; then
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read -t 15 -p "Are you sure you want to update the server version? [y/N] " version_differs
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if [ "$version_differs" != "y" ] && [ "$version_differs" != "Y" ]; then
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echo "Server version not updated."
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echo "To start the server again with the current version, change the version in the config to $current_version."
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exit 4
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fi
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fi
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}
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# Accept EULA
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function accept_eula {
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if test "$(cat eula.txt 2>/dev/null)" != "eula=true"; then
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first_run=true
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echo "'eula.txt' does not exist or EULA is not accepted"
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echo "You have to accept the Minecraft EULA to run the server"
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echo "By entering 'y' you are indicating your agreement to Minecraft's EULA (https://aka.ms/MinecraftEULA)."
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echo "You have 15 seconds to respond, or the script will exit"
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read -t 15 -p "Do you agree to the Minecraft EULA? [y/N] " eula_agreed
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if [ "$eula_agreed" == "y" ] || [ "$eula_agreed" == "Y" ]; then
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if [ ! -f eula.txt ]; then
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echo "eula=true" > eula.txt
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else
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rm eula.txt
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echo "eula=true" > eula.txt
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fi
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echo
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echo
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echo "EULA accepted"
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echo
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echo
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else
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echo
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echo
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echo "You did not agree to the Minecraft EULA"
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echo "Exiting..."
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exit 1
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fi
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fi
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}
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# Launch the server
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function launch_server {
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echo "Starting the server..."
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echo
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echo
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java $java_launchoptions -jar "$(basename ./paper-*.jar)" $mc_launchoptions
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}
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# Download the update for the script
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function self_update {
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# Download the latest version of the script
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echo "Updating script..."
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# Download the file into start_new.sh
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curl -sLJ -w '%{http_code}\n' "https://github.com/$REPO_OWNER/$REPO_NAME/releases/download/$LATEST_VERSION/start.sh" > start_new.sh
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# Check if the download was successful by checking the last line of the file for 200
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if [[ $(cat start_new.sh | tail -n 1) == 200 ]]; then
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# Remove the last line of the file
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sed -i '$d' start_new.sh
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# Make the file executable
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chmod +x start_new.sh
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# Remove the old script
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rm start.sh
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echo "Removed old script"
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# Rename the new script
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mv start_new.sh start.sh
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echo "Renamed new script"
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echo "Script updated successfully."
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echo
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read -p "Do you want to restart the script? [y/N] " restart
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if [ "$restart" == "y" ] || [ "$restart" == "Y" ]; then
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echo "Restarting..."
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# Execute the new script
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exec "./start.sh" "$@"
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exit 0
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else
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echo "Exiting..."
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exit 0
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fi
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else
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echo "Failed to update script."
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rm start_new.sh
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exit 5
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fi
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}
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# Function to update the script
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function check_self_update {
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# Send a request to the GitHub API to retrieve the latest release
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response=$(curl -sL "https://api.github.com/repos/$REPO_OWNER/$REPO_NAME/releases/latest")
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if [[ $response =~ "API rate limit exceeded" ]]; then
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echo "API limit exceeded. Will not check for updates."
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else
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# Extract the latest version from the response
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LATEST_VERSION=$(echo $response | jq -r ".tag_name")
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# Compare the current version with the latest version
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if [[ "$CURRENT_SCRIPT_VERSION" != "$LATEST_VERSION" ]]; then
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echo "An update is available!"
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echo "Current version: $CURRENT_SCRIPT_VERSION"
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echo "Latest version: $LATEST_VERSION"
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echo
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echo "The script will continue without updating in 15 seconds."
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echo "If you decide to update it is your responsibility to check the release notes for any breaking changes."
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read -t 15 -p "Do you want to update and read the release notes? [y/N]"
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if [ "$REPLY" == "y" ] || [ "$REPLY" == "Y" ]; then
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# Extract the release notes from the response
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RELEASE_NOTES=$(echo "$response" | jq -r ".body")
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# Print the release notes
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echo "$RELEASE_NOTES" | less
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# Ask the user if they want to update
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echo
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echo "The script will continue without updating in 15 seconds."
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echo "If you decide to update it is your responsibility to check the release notes for any breaking changes."
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read -t 15 -p "Do you want to update? [y/N] " update
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if [ "$update" == "y" ] || [ "$update" == "Y" ]; then
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self_update
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else
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echo "Skipping update."
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return
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fi
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fi
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echo
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echo
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fi
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fi
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}
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# Load config
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function load_config {
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# Check if the config file exists
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if [ ! -f launch.cfg ]; then
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echo "Config file does not exist."
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echo "Downloading the default config file..."
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# Download the default config file for the current version
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curl -sLJ -w '%{http_code}' "https://github.com/$REPO_OWNER/$REPO_NAME/releases/download/$CURRENT_VERSION/launch.cfg" > launch.cfg
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# Check if the download was successful by checking the last line of the file for 200
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if [[ $(cat launch.cfg | tail -n 1) == 200 ]]; then
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# Remove the last line of the file
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sed -i '$d' launch.cfg
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echo
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read -p "Do you want to edit the config file? [y/N] " edit_config
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if [ "$edit_config" == "y" ] || [ "$edit_config" == "Y" ]; then
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if [ -z "$EDITOR" ]; then
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>&2 echo "EDITOR is not set."
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>&2 echo "Open 'launch.cfg' manually."
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echo "Exiting..."
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exit 1
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else
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# Check if $EDITOR is installed
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if ! command -v $EDITOR &> /dev/null; then
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>&2 echo "$EDITOR is not installed."
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>&2 echo "Open 'launch.cfg' manually."
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echo "Exiting..."
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exit 1
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fi
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echo "Opening the config file in $EDITOR..."
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$EDITOR launch.cfg
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fi
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fi
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else
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>&2 echo "Failed to download the default config file."
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>&2 echo "Go to the GitHub repository for more information:"
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>&2 echo "https://github.com/$REPO_OWNER/$REPO_NAME"
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echo "Exiting..."
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exit 1
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fi
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fi
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# Load config
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source launch.cfg
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}
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# Delete old server file with name $old_server_file
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function delete_old_server {
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# Delete the old server file
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echo "Deleting old server file $server_file..."
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rm "$old_server_file"
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echo "Old server file deleted."
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}
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# Load the rest of the script
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function load_script {
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# TODO: Check if the script files exist
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source "./.ms-manager/detect_server.sh"
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source "./.ms-manager/java.sh"
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# Load the correct script
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if [[ $server_type == "paper" ]]; then
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source "./.ms-manager/paper.sh"
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# elif [[ $server_type == "vanilla" ]]; then
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# source "$cwd/ms-manager/vanilla.sh"
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# elif [[ $server_type == "forge" ]]; then
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# source "$cwd/ms-manager/forge.sh"
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# elif [[ $server_type == "fabric" ]]; then
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# source "$cwd/ms-manager/fabric.sh"
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else
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>&2 echo "Unknown server type."
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echo "Exiting..."
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exit 1
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fi
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}
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# First run
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first_run() {
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if [[ $first_run == true ]]; then
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answer=""
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echo "Since eula wasn't accepted, this is probably the first run of the server"
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echo "If you want to install plugins (or mods), answer 'n' and you can do so."
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echo "If you don't answer, the server will start in 15 secondd."
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read -t 15 -p "Do you want to start the server now? [Y/n] " answer
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if [ "$answer" == "n" ] || [ "$answer" == "N" ]; then
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echo "Exiting..."
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exit 0
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fi
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fi
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}
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# Main function
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function main {
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# Check dependencies
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check_dependencies
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# Load config
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load_config
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# Load the rest of the script
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# Get the current server file, version and build
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load_script
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if [[ $check_for_script_updates == true ]]; then
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# Check for script updates
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check_self_update
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else
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echo "Skipping script update check."
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fi
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# Gets the installed server info
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get_existing_server
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# Check if the version and build are valid
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check_version_valid
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# Check if the correct java version is installed
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check_java
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# Check if the server is up to date and if not, update it
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check_and_update
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# Accept EULA
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accept_eula
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# Check if this is the first run
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first_run
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# Launch the server
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launch_server
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}
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# Check for updates on GitHub
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if [[ "$1" == "--redownload" ]] || [[ "$1" == "-r" ]]; then
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self_update
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# TODO: Add `--edit-config` option
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elif [[ "$1" == "--help" ]] || [[ "$1" == "-h" ]]; then
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echo "Usage: ./script.sh [OPTION]"
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echo "Starts the Minecraft server."
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echo
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echo "Options:"
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echo " -r, --redownload Redownloads the script from GitHub."
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echo " -h, --help Show this help message."
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echo
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echo "To change the settings of the script, edit the 'launch.cfg' file."
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echo "If the file does not exist, it will be downloaded automatically when the script is run and you will be asked if you want to edit it."
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echo
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echo "For more information, see:"
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echo "https://github.com/$REPO_OWNER/$REPO_NAME"
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exit 0
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else
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# Run the main function
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main
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fi
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