Refactor, add support for version changing

This commit is contained in:
Jiří Štefka 2023-02-23 05:03:38 +01:00
parent 2efcddd508
commit c7e6877fd1
2 changed files with 344 additions and 227 deletions

Binary file not shown.

459
start.sh

@ -18,7 +18,7 @@
# I am not responsible for any loss of data # # I am not responsible for any loss of data #
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! # # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #
# If enough people request it (or someone creates a PR) I'll add the functionality to migrate versions # If enough people request it (or someone creates a PR) I'll add the functionality to migrate versions
version="1.12.2" select_version="1.19.3"
# Leave blank to use the latest build (auto updates on every run) # Leave blank to use the latest build (auto updates on every run)
select_build="" select_build=""
@ -32,96 +32,71 @@ select_build=""
# lower than your available memory if you're running just the # # lower than your available memory if you're running just the #
# minecraft server. # # minecraft server. #
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! # # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! #
mem="2000M" mem="6000M"
#############
# Overrides #
#############
# Shouldn't be needed, but if for whatever reason you want to override some things, use the below options
java_version_override=false
# Aikar's flags are used by defauls (https://docs.papermc.io/paper/aikars-flags)
# And are set by memory usage so if you allocated more than 12GB or RAM they are set automatically
override_java_flags=false
java_launchoptions=""
# Flags for the server itself
mc_launchoptions="-nogui"
# ------------------------------------------------ # ------------------------------------------------
# You shouldn't need to change anything below this # You shouldn't need to change anything below this
# ------------------------------------------------ # ------------------------------------------------
# Options for the server # API URL
mc_launchoptions="-nogui" api_url="https://api.papermc.io/v2/projects/paper/versions/$select_version/builds"
if [[ "${mem%M}" -gt 12000 ]]; then # Check for dependencies
G1NewSize=40 function check_dependencies {
G1MaxNewSize=50 # Check if curl is installed
G1HeapRegionSize=16M if ! command -v curl &> /dev/null
G1Reserve=15 then
InitiatingHeapOccupancy=20
else
G1NewSize=30
G1MaxNewSize=40
G1HeapRegionSize=8M
G1Reserve=20
InitiatingHeapOccupancy=15
fi
# Aikar's flags are used by default
# See https://docs.papermc.io/paper/aikars-flags
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=$InitiatingHeapOccupancy -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true"
# Api url
url="https://api.papermc.io/v2/projects/paper/versions/$version/builds"
##########
# Checks #
##########
# Check if selected version exists
if curl -s "$url" | grep -q '{"error":"Version not found."}'; then
echo "Error: Invalid version selected: $version"
exit 1
else
# Check if selected build exists
if [ ! -z "$select_build" ]; then
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
echo "Error: Invalid build selected: $select_build"
exit 1
fi
fi
fi
# Check if curl is installed
if ! command -v curl &> /dev/null
then
echo "Error: Curl is not installed" echo "Error: Curl is not installed"
exit 1 exit 1
fi fi
# Check if jq is installed # Check if jq is installed
if ! command -v jq &> /dev/null if ! command -v jq &> /dev/null
then then
echo "Error: jq is not installed" echo "Error: jq is not installed"
exit 1 exit 1
fi fi
# Check if awk is installed # Check if awk is installed
if ! command -v awk &> /dev/null if ! command -v awk &> /dev/null
then then
echo "Error: awk is not installed" echo "Error: awk is not installed"
exit 1 exit 1
fi fi
}
# Check if java is installed # Check if the version and build are valid
if ! command -v java &> /dev/null function check_version_valid {
then if curl -s "$api_url" | grep -q '{"error":"Version not found."}'; then
echo "Error: Java is not installed" echo "Error: Invalid version selected: $select_version"
java_version="0" exit 2
fi else
# Check if selected build exists
##################################################### if [ ! -z "$select_build" ]; then
# Check if the correct version of Java is installed # 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
##################################################### echo "Error: Invalid build selected: $select_build"
# exit 2
fi
# Extract the middle number of the Minecraft version fi
minecraft_middle=$(echo "$version" | awk -F '.' '{print $2}') fi
}
# If java is installed, get the version (the java_version won't be 0)
if [[ $java_version != "0" ]]; then
# Get the current Java version and extract the build number
java_version=$(java -version 2>&1 | awk -F '"' '/version/ {print $2}' | awk -F '.' '{print $1}')
fi
# Ask if the user wants to continue anyway # Ask if the user wants to continue anyway
# If the user doesn't answer in 15 seconds, the script will exit # If the user doesn't answer in 15 seconds, the script will exit
@ -130,153 +105,266 @@ function ask_continue {
answer="" answer=""
echo "You have 15 seconds to respond before the script exits." echo "You have 15 seconds to respond before the script exits."
read -t 15 -p "Do you want to continue anyway? [y/N]: " answer read -t 15 -p "Do you want to continue anyway? [y/N]: " answer
if [[ $answer != "y" ]] || [[ $answer != "Y" ]]; then if [[ $answer != "y" ]] && [[ $answer != "Y" ]]; then
echo "Exiting..." echo "Exiting..."
exit 1 exit 1
fi fi
fi fi
} }
# Check if the correct version of java is installed # Check if the correct version of Java is installed
# For version 1.8 to 1.11 use java 8 # For version 1.8 to 1.11 use java 8
# For version 1.12 to 1.16.4 use java 11 # For version 1.12 to 1.16.4 use java 11
# For version 1.16.5 use java 16 # For version 1.16.5 use java 16
# For version 1.17.1 to 1.18.1+ use java 17 # For version 1.17.1 to 1.18.1+ use java 17
if (( 8 <= minecraft_middle && minecraft_middle <= 11 )); then function check_java {
# Check if java is installed
if ! command -v java &> /dev/null
then
echo "Error: Java is not installed"
java_version="0"
fi
# Extract the middle number of the Minecraft version
minecraft_middle=$(echo "$select_version" | awk -F '.' '{print $2}')
# If java is installed, get the version (the java_version won't be 0)
if [[ $java_version != "0" ]]; then
# Get the current Java version and extract the build number
java_version=$(java -version 2>&1 | awk -F '"' '/version/ {print $2}' | awk -F '.' '{print $1}')
fi
# Check if the correct version of java is installed
if (( 8 <= minecraft_middle && minecraft_middle <= 11 )); then
if ! [[ $java_version -eq 8 ]]; then if ! [[ $java_version -eq 8 ]]; then
echo "Java 8 is required for Minecraft version $version. Please install Java 8." echo "Java 8 is required for Minecraft version $select_version. Please install Java 8."
if [[ $java_version == 0 ]]; then if [[ $java_version == 0 ]]; then
exit 1 exit 3
fi fi
ask_continue ask_continue
fi fi
elif (( 12 <= minecraft_middle && minecraft_middle <= 16 )); then elif (( 12 <= minecraft_middle && minecraft_middle <= 16 )); then
if ! [[ $java_version -eq 11 ]]; then if ! [[ $java_version -eq 11 ]]; then
if [[ $java_version == 0 ]]; then if [[ $java_version == 0 ]]; then
exit 1 exit 3
fi fi
echo "Java 11 is required for Minecraft version $version. Please install Java 11." echo "Java 11 is required for Minecraft version $select_version. Please install Java 11."
ask_continue ask_continue
fi fi
elif (( minecraft_middle == 17 )); then elif (( minecraft_middle == 17 )); then
if ! [[ $java_version -eq 16 ]]; then if ! [[ $java_version -eq 16 ]]; then
echo "Java 16 is required for Minecraft version $version. Please install Java 16." echo "Java 16 is required for Minecraft version $select_version. Please install Java 16."
if [[ $java_version == 0 ]]; then if [[ $java_version == 0 ]]; then
exit 1 exit 3
fi fi
ask_continue ask_continue
fi fi
elif (( 18 <= minecraft_middle )); then elif (( 18 <= minecraft_middle )); then
if ! [[ $java_version -eq 17 ]]; then if ! [[ $java_version -eq 17 ]]; then
echo "Java 17 is required for Minecraft version $version. Please install Java 17." echo "Java 17 is required for Minecraft version $select_version. Please install Java 17."
if [[ $java_version == 0 ]]; then if [[ $java_version == 0 ]]; then
exit 1 exit 3
fi fi
ask_continue ask_continue
fi fi
else else
echo "Unsupported Minecraft version $version." echo "Unsupported Minecraft version $select_version."
if [[ $java_version == 0 ]]; then if [[ $java_version == 0 ]]; then
exit 1 exit 3
fi fi
ask_continue ask_continue
fi fi
}
# Check if some server already exists # Get existing version and build
if ls paper-*.jar 1> /dev/null 2>&1; then function get_existing_version {
if ls paper-*.jar 1> /dev/null 2>&1; then
# Get the current server file name # Get the current server file name
server_file=$(basename ./paper-*.jar) server_file=$(basename ./paper-*.jar)
# Extract the build number using cut command # Extract the version and build number using cut command
current_version=$(echo "$server_file" | cut -d'-' -f2)
current_build=$(echo "$server_file" | cut -d'-' -f3) current_build=$(echo "$server_file" | cut -d'-' -f3)
current_version="${current_version%-*}"
current_build="${current_build%.jar}" current_build="${current_build%.jar}"
echo "Current server file: $server_file"
echo " - Version $current_version"
echo " - Build $current_build"
else
echo "No old server file found."
server_file=false
fi
}
# Check if select_build variable is set # Download server set by $select_version and $download_build
if [ -z "$select_build" ]; then function download_server {
echo "Checking for newer build..." # Download the server
json_response=$(curl -s "$url") # Get all the versions from the paper api echo "Downloading PaperMC server..."
echo " - Version $select_version"
echo " - Build $download_build"
curl -s "https://api.papermc.io/v2/projects/paper/versions/$select_version/builds/$download_build/downloads/paper-$select_version-$download_build.jar" -o "./paper-$select_version-$download_build.jar"
echo "Download complete."
}
# Delete old server file with name $old_server_file
function delete_old_server {
# Delete the old server file
echo "Deleting old server file $server_file..."
rm "$old_server_file"
echo "Old server file deleted."
}
# Set arguments for java
function set_java_args {
# Check if $override_flags is not true
if [[ $override_flags != true ]]; then
if [[ "${mem%M}" -gt 12000 ]]; then
G1NewSize=40
G1MaxNewSize=50
G1HeapRegionSize=16M
G1Reserve=15
InitiatingHeapOccupancy=20
else
G1NewSize=30
G1MaxNewSize=40
G1HeapRegionSize=8M
G1Reserve=20
InitiatingHeapOccupancy=15
fi
# Aikar's flags are used by default
# See https://docs.papermc.io/paper/aikars-flags
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"
fi
}
# Ask if the new server version differs from the old one
function ask_version_differs {
echo
echo
echo "The server version differs from the one you selected."
echo "The server version is $current_version and the selected version is $select_version."
echo "Do you want to update the server version?"
echo "This can cause many issues if you don't know what you are doing."
echo
echo "I am not responsible for any damage caused by updating the server version."
echo
echo "You have 15 seconds to respond, or the script will exit"
read -t 15 -p "Do you want to update the server version? [y/N] " version_differs
if [ "$version_differs" != "y" ] && [ "$version_differs" != "Y" ]; then
echo "Server version not updated."
echo "To start the server again with the current version, change the version in the config to $current_version."
exit 4
fi
if [ "$version_differs" == "y" ] || [ "$version_differs" == "Y" ]; then
read -t 15 -p "Are you sure you want to update the server version? [y/N] " version_differs
if [ "$version_differs" != "y" ] && [ "$version_differs" != "Y" ]; then
echo "Server version not updated."
echo "To start the server again with the current version, change the version in the config to $current_version."
exit 4
fi
fi
}
# Check if up to date
function check_up_to_date {
if [[ $server_file == false ]]; then
download_build=$latest_build
update_version=true
update_build=true
fi
# Check if $select_build is empty
if [[ -z $select_build ]]; then
# Check if the current version is the same as the one selected
if [[ $current_version == $select_version ]]; then
# Check if the current build is the same as the one selected
if [[ $current_build == $latest_build ]]; then
echo "Server is up to date."
else
echo "Server is not up to date."
download_build=$latest_build
update_build=true
fi
else
# Check if $server_file is false
if [[ $server_file != false ]]; then
ask_version_differs
echo "Server is not up to date."
download_build=$latest_build
update_version=true
fi
fi
else
# Check if the current version is the same as the one selected
if [[ $current_version == $select_version ]]; then
# Check if the current build is the same as the one selected
if [[ $current_build == $select_build ]]; then
echo "Server is up to date."
else
echo "Server is not up to date."
download_build=$select_build
update_build=true
fi
else
# Check if $server_file is false
if [[ $server_file != false ]]; then
ask_version_differs
echo "Server is not up to date."
download_build=$select_build
update_version=true
fi
fi
fi
}
# Get the latest build number
function get_latest_build {
# Get the latest build number # Get the latest build number
latest_build=$(curl -s $url | jq '.builds[-1].build') latest_build=$(curl -s $api_url | jq '.builds[-1].build')
}
# Check if the latest build is newer than the current build # Check for updates
if [ "$latest_build" -gt "$current_build" ]; then function check_and_update {
echo "Newer build available: $latest_build" # Get current version and build
get_existing_version
# Ask the user if they want to download and install the new build echo Checking for updates...
echo
echo
echo "You have 15 seconds to answer, then the new build will be downloaded automatically"
read -t 15 -p "Do you want to download and install the new build? (Y/n) " answer
# If the user doesn't answer set the answer to "y"
if [ -z "$answer" ]; then
answer="y"
fi
if [ "$answer" == "y" ]; then
# Download the new build
echo "Downloading the new build..."
curl -s "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$latest_build/downloads/paper-$version-$latest_build.jar" -o "./paper-$version-$latest_build.jar"
echo "Download complete"
# Remove the old server file
echo "Removing the old server file..."
rm "$server_file"
echo "Old server file removed"
server_file=$(basename ./paper-*.jar)
else
echo "Skipping download and installation"
fi
else
echo "Server is up to date"
fi
else
if [ "$current_build" -ne "$select_build" ]; then
echo "The current build is not the selected build"
echo "Downloading the selected build..."
curl -s "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$select_build/downloads/paper-$version-$select_build.jar" -o "./paper-$version-$select_build.jar"
echo "Download complete"
echo "Removing the old server file..."
rm "$server_file"
echo "Old server file removed"
server_file=$(basename ./paper-*.jar)
fi
fi
# If no server file exists
else
# Check if select_build variable is set
if [ -z "$select_build" ]; then
echo "Downloading the latest build of version $version..."
json_response=$(curl -s "$url")
# Get the latest build number # Get the latest build number
latest_build=$(curl -s $url | jq '.builds[-1].build') get_latest_build
curl -s "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$latest_build/downloads/paper-$version-$latest_build.jar" -o "./paper-$version-$latest_build.jar" # Check if the current version is up to date
echo "Download complete" check_up_to_date
# Check if $build_update is true or $version_update is true
if [[ $update_build == true ]] || [[ $update_version == true ]]; then
if [[ $server_file != false ]]; then
old_server_file=$server_file
server_file="paper-$select_version-$download_build.jar"
download_server
# Delete the old server file
delete_old_server
else else
echo "Downloading version $version build $select_build..." server_file="paper-$select_version-$download_build.jar"
curl -s "https://api.papermc.io/v2/projects/paper/versions/$version/builds/$select_build/downloads/paper-$version-$select_build.jar" -o "./paper-$version-$select_build.jar" download_server
echo "Download complete"
fi fi
fi fi
}
if test "$(cat eula.txt 2>/dev/null)" != "eula=true"; then # Accept EULA
function accept_eula {
if test "$(cat eula.txt 2>/dev/null)" != "eula=true"; then
echo echo
echo echo
echo "'eula.txt' does not exist or is not accepted" echo "'eula.txt' does not exist or EULA is not accepted"
echo "Please agree to the Minecraft EULA by entering 'y'" echo "You have to accept the Minecraft EULA to run the server"
echo "By entering 'y' you are indicating your agreement to Minecraft's EULA (https://aka.ms/MinecraftEULA)." echo "By entering 'y' you are indicating your agreement to Minecraft's EULA (https://aka.ms/MinecraftEULA)."
echo "You have 15 seconds to respond, or the script will exit" echo "You have 15 seconds to respond, or the script will exit"
read -t 15 -p "Do you agree to the Minecraft EULA? [y/N] " eula_agreed read -t 15 -p "Do you agree to the Minecraft EULA? [y/N] " eula_agreed
if [ "$eula_agreed" == "y" ]; then if [ "$eula_agreed" == "y" ] || [ "$eula_agreed" == "Y" ]; then
if [ ! -f eula.txt ]; then if [ ! -f eula.txt ]; then
# Write eula_agreed to eula.txt
echo "eula=true" > eula.txt echo "eula=true" > eula.txt
else else
rm eula.txt rm eula.txt
@ -292,10 +380,39 @@ if test "$(cat eula.txt 2>/dev/null)" != "eula=true"; then
echo "Exiting..." echo "Exiting..."
exit 1 exit 1
fi fi
fi fi
}
# Run the server # Launch the server
echo function launch_server {
echo echo
echo "Starting the server..." echo
java $java_launchoptions -jar "$(basename ./paper-*.jar)" $mc_launchoptions 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