Refactor, add support for version changing
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383
start.sh
383
start.sh
@ -18,7 +18,7 @@
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# I am not responsible for any loss of data #
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# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #
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# If enough people request it (or someone creates a PR) I'll add the functionality to migrate versions
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version="1.12.2"
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select_version="1.19.3"
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# Leave blank to use the latest build (auto updates on every run)
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select_build=""
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@ -32,55 +32,34 @@ select_build=""
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# lower than your available memory if you're running just the #
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# minecraft server. #
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# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #
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mem="2000M"
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mem="6000M"
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#############
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# Overrides #
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#############
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# Shouldn't be needed, but if for whatever reason you want to override some things, use the below options
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java_version_override=false
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# Aikar's flags are used by defauls (https://docs.papermc.io/paper/aikars-flags)
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# And are set by memory usage so if you allocated more than 12GB or RAM they are set automatically
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override_java_flags=false
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java_launchoptions=""
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# Flags for the server itself
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mc_launchoptions="-nogui"
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# ------------------------------------------------
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# You shouldn't need to change anything below this
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# ------------------------------------------------
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# Options for the server
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mc_launchoptions="-nogui"
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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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# Api url
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url="https://api.papermc.io/v2/projects/paper/versions/$version/builds"
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##########
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# Checks #
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##########
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# Check if selected version exists
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if curl -s "$url" | grep -q '{"error":"Version not found."}'; then
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echo "Error: Invalid version selected: $version"
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exit 1
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else
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# Check if selected build exists
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if [ ! -z "$select_build" ]; then
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if curl -Is "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$select_build/downloads/paper-$version-$select_build.jar" | grep "HTTP/2 404" >/dev/null; then
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echo "Error: Invalid build selected: $select_build"
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exit 1
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fi
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fi
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fi
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# API URL
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api_url="https://api.papermc.io/v2/projects/paper/versions/$select_version/builds"
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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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@ -101,27 +80,23 @@ 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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}
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# Check if java is installed
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if ! command -v java &> /dev/null
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then
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echo "Error: Java is not installed"
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java_version="0"
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# Check if the version and build are valid
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function check_version_valid {
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if curl -s "$api_url" | grep -q '{"error":"Version not found."}'; then
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echo "Error: Invalid version selected: $select_version"
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exit 2
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else
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# Check if selected build exists
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if [ ! -z "$select_build" ]; then
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if curl -Is "https://api.papermc.io/v2/projects/paper/versions/$select_version/builds/$select_build/downloads/paper-$select_version-$select_build.jar" | grep "HTTP/2 404" >/dev/null; then
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echo "Error: Invalid build selected: $select_build"
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exit 2
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fi
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#####################################################
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# Check if the correct version of Java is installed #
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#####################################################
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#
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# Extract the middle number of the Minecraft version
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minecraft_middle=$(echo "$version" | awk -F '.' '{print $2}')
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# If java is installed, get the version (the java_version won't be 0)
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if [[ $java_version != "0" ]]; then
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# Get the current Java version and extract the build number
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java_version=$(java -version 2>&1 | awk -F '"' '/version/ {print $2}' | awk -F '.' '{print $1}')
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fi
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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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@ -130,153 +105,266 @@ function ask_continue {
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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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if [[ $answer != "y" ]] && [[ $answer != "Y" ]]; then
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echo "Exiting..."
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exit 1
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fi
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fi
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}
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# Check if the correct version of java is installed
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# Check if the correct version of Java is installed
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# For version 1.8 to 1.11 use java 8
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# For version 1.12 to 1.16.4 use java 11
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# For version 1.16.5 use java 16
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# For version 1.17.1 to 1.18.1+ use java 17
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function check_java {
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# Check if java is installed
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if ! command -v java &> /dev/null
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then
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echo "Error: Java is not installed"
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java_version="0"
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fi
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# Extract the middle number of the Minecraft version
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minecraft_middle=$(echo "$select_version" | awk -F '.' '{print $2}')
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# If java is installed, get the version (the java_version won't be 0)
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if [[ $java_version != "0" ]]; then
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# Get the current Java version and extract the build number
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java_version=$(java -version 2>&1 | awk -F '"' '/version/ {print $2}' | awk -F '.' '{print $1}')
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fi
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# Check if the correct version of java is installed
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if (( 8 <= minecraft_middle && minecraft_middle <= 11 )); then
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if ! [[ $java_version -eq 8 ]]; then
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echo "Java 8 is required for Minecraft version $version. Please install Java 8."
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echo "Java 8 is required for Minecraft version $select_version. Please install Java 8."
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if [[ $java_version == 0 ]]; then
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exit 1
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exit 3
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fi
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ask_continue
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fi
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elif (( 12 <= minecraft_middle && minecraft_middle <= 16 )); then
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if ! [[ $java_version -eq 11 ]]; then
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if [[ $java_version == 0 ]]; then
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exit 1
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exit 3
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fi
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echo "Java 11 is required for Minecraft version $version. Please install Java 11."
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echo "Java 11 is required for Minecraft version $select_version. Please install Java 11."
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ask_continue
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fi
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elif (( minecraft_middle == 17 )); then
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if ! [[ $java_version -eq 16 ]]; then
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echo "Java 16 is required for Minecraft version $version. Please install Java 16."
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echo "Java 16 is required for Minecraft version $select_version. Please install Java 16."
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if [[ $java_version == 0 ]]; then
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exit 1
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exit 3
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fi
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ask_continue
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fi
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elif (( 18 <= minecraft_middle )); then
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if ! [[ $java_version -eq 17 ]]; then
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echo "Java 17 is required for Minecraft version $version. Please install Java 17."
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echo "Java 17 is required for Minecraft version $select_version. Please install Java 17."
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if [[ $java_version == 0 ]]; then
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exit 1
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exit 3
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fi
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ask_continue
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fi
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else
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echo "Unsupported Minecraft version $version."
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echo "Unsupported Minecraft version $select_version."
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if [[ $java_version == 0 ]]; then
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exit 1
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exit 3
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fi
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ask_continue
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fi
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}
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# Check if some server already exists
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# Get existing version and build
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function get_existing_version {
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if ls paper-*.jar 1> /dev/null 2>&1; then
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# Get the current server file name
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server_file=$(basename ./paper-*.jar)
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# Extract the build number using cut command
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# Extract the version and build number using cut command
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current_version=$(echo "$server_file" | cut -d'-' -f2)
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current_build=$(echo "$server_file" | cut -d'-' -f3)
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current_version="${current_version%-*}"
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current_build="${current_build%.jar}"
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echo "Current server file: $server_file"
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echo " - Version $current_version"
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echo " - Build $current_build"
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else
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echo "No old server file found."
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server_file=false
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fi
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}
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# Check if select_build variable is set
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if [ -z "$select_build" ]; then
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echo "Checking for newer build..."
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json_response=$(curl -s "$url") # Get all the versions from the paper api
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# Download server set by $select_version and $download_build
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function download_server {
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# Download the server
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echo "Downloading PaperMC server..."
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echo " - Version $select_version"
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echo " - Build $download_build"
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curl -s "https://api.papermc.io/v2/projects/paper/versions/$select_version/builds/$download_build/downloads/paper-$select_version-$download_build.jar" -o "./paper-$select_version-$download_build.jar"
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echo "Download complete."
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}
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# Get the latest build number
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latest_build=$(curl -s $url | jq '.builds[-1].build')
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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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# Check if the latest build is newer than the current build
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if [ "$latest_build" -gt "$current_build" ]; then
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echo "Newer build available: $latest_build"
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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=$InitiatingHeapOccupancy -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true"
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fi
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}
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# Ask the user if they want to download and install the new build
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# Ask if the new server version differs from the old one
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function ask_version_differs {
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echo
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echo
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echo "You have 15 seconds to answer, then the new build will be downloaded automatically"
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read -t 15 -p "Do you want to download and install the new build? (Y/n) " answer
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# If the user doesn't answer set the answer to "y"
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if [ -z "$answer" ]; then
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answer="y"
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echo "The server version differs from the one you selected."
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echo "The server version is $current_version and the selected version is $select_version."
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echo "Do you want to update the server version?"
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echo "This can cause many issues if you don't know what you are doing."
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echo
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echo "I am not responsible for any damage caused by updating the server version."
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echo
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echo "You have 15 seconds to respond, or the script will exit"
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read -t 15 -p "Do you want to update the server version? [y/N] " version_differs
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if [ "$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 $current_version."
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exit 4
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fi
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if [ "$answer" == "y" ]; then
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# Download the new build
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echo "Downloading the new build..."
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curl -s "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$latest_build/downloads/paper-$version-$latest_build.jar" -o "./paper-$version-$latest_build.jar"
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echo "Download complete"
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# Remove the old server file
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echo "Removing the old server file..."
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rm "$server_file"
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echo "Old server file removed"
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if [ "$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 $current_version."
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exit 4
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fi
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fi
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}
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server_file=$(basename ./paper-*.jar)
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# Check if up to date
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function check_up_to_date {
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if [[ $server_file == false ]]; then
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download_build=$latest_build
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update_version=true
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update_build=true
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fi
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# Check if $select_build is empty
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if [[ -z $select_build ]]; then
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# Check if the current version is the same as the one selected
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if [[ $current_version == $select_version ]]; then
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# Check if the current build is the same as the one selected
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if [[ $current_build == $latest_build ]]; then
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echo "Server is up to date."
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else
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echo "Skipping download and installation"
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echo "Server is not up to date."
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download_build=$latest_build
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update_build=true
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fi
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else
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echo "Server is up to date"
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# Check if $server_file is false
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if [[ $server_file != false ]]; then
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ask_version_differs
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echo "Server is not up to date."
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download_build=$latest_build
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update_version=true
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fi
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fi
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else
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if [ "$current_build" -ne "$select_build" ]; then
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echo "The current build is not the selected build"
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echo "Downloading the selected build..."
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curl -s "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$select_build/downloads/paper-$version-$select_build.jar" -o "./paper-$version-$select_build.jar"
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echo "Download complete"
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echo "Removing the old server file..."
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rm "$server_file"
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echo "Old server file removed"
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server_file=$(basename ./paper-*.jar)
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fi
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fi
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# If no server file exists
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# Check if the current version is the same as the one selected
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if [[ $current_version == $select_version ]]; then
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# Check if the current build is the same as the one selected
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if [[ $current_build == $select_build ]]; then
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echo "Server is up to date."
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else
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# Check if select_build variable is set
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if [ -z "$select_build" ]; then
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echo "Downloading the latest build of version $version..."
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json_response=$(curl -s "$url")
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echo "Server is not up to date."
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download_build=$select_build
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update_build=true
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fi
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else
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# Check if $server_file is false
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if [[ $server_file != false ]]; then
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ask_version_differs
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echo "Server is not up to date."
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download_build=$select_build
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update_version=true
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fi
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fi
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fi
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}
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# Get the latest build number
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latest_build=$(curl -s $url | jq '.builds[-1].build')
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function get_latest_build {
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# Get the latest build number
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latest_build=$(curl -s $api_url | jq '.builds[-1].build')
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}
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curl -s "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$latest_build/downloads/paper-$version-$latest_build.jar" -o "./paper-$version-$latest_build.jar"
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echo "Download complete"
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# Check for updates
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function check_and_update {
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# Get current version and build
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get_existing_version
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echo Checking for updates...
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# Get the latest build number
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get_latest_build
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# Check if the current version is up to date
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check_up_to_date
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# Check if $build_update is true or $version_update is true
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if [[ $update_build == true ]] || [[ $update_version == true ]]; then
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if [[ $server_file != false ]]; then
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old_server_file=$server_file
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server_file="paper-$select_version-$download_build.jar"
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download_server
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# Delete the old server file
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delete_old_server
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else
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echo "Downloading version $version build $select_build..."
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||||
curl -s "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$select_build/downloads/paper-$version-$select_build.jar" -o "./paper-$version-$select_build.jar"
|
||||
echo "Download complete"
|
||||
server_file="paper-$select_version-$download_build.jar"
|
||||
download_server
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
# Accept EULA
|
||||
function accept_eula {
|
||||
if test "$(cat eula.txt 2>/dev/null)" != "eula=true"; then
|
||||
echo
|
||||
echo
|
||||
echo "'eula.txt' does not exist or is not accepted"
|
||||
echo "Please agree to the Minecraft EULA by entering 'y'"
|
||||
echo "'eula.txt' does not exist or EULA is not accepted"
|
||||
echo "You have to accept the Minecraft EULA to run the server"
|
||||
echo "By entering 'y' you are indicating your agreement to Minecraft's EULA (https://aka.ms/MinecraftEULA)."
|
||||
echo "You have 15 seconds to respond, or the script will exit"
|
||||
read -t 15 -p "Do you agree to the Minecraft EULA? [y/N] " eula_agreed
|
||||
|
||||
if [ "$eula_agreed" == "y" ]; then
|
||||
if [ "$eula_agreed" == "y" ] || [ "$eula_agreed" == "Y" ]; then
|
||||
if [ ! -f eula.txt ]; then
|
||||
# Write eula_agreed to eula.txt
|
||||
echo "eula=true" > eula.txt
|
||||
else
|
||||
rm eula.txt
|
||||
@ -293,9 +381,38 @@ if test "$(cat eula.txt 2>/dev/null)" != "eula=true"; then
|
||||
exit 1
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
# Run the server
|
||||
# Launch the server
|
||||
function launch_server {
|
||||
echo
|
||||
echo
|
||||
echo "Starting the server..."
|
||||
echo
|
||||
echo
|
||||
java $java_launchoptions -jar "$(basename ./paper-*.jar)" $mc_launchoptions
|
||||
}
|
||||
|
||||
# Main function
|
||||
function main {
|
||||
# Check dependencies
|
||||
check_dependencies
|
||||
|
||||
# Check if the version and build are valid
|
||||
check_version_valid
|
||||
|
||||
# Check if the correct java version is installed
|
||||
check_java
|
||||
|
||||
# Check if the server is up to date and if not, update it
|
||||
check_and_update
|
||||
|
||||
# Accept EULA
|
||||
accept_eula
|
||||
|
||||
# Launch the server
|
||||
launch_server
|
||||
}
|
||||
|
||||
# Run the main function
|
||||
main
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user