msman.sh/.msman/java.sh

192 lines
6.4 KiB
Bash

#!/bin/bash
set -e
# Setup Java
function setup_java {
# Get the required Java version for the Minecraft version
get_required_java
# Check if java was downloaded by the script
check_script_java
# Check if java is installed
if [[ $java_version == false ]]; then
check_java_exec
if [[ $java_version != false ]]; then
echo "System Java $java_version will be used."
fi
fi
if [[ $java_version == false ]]; then
>&2 echo "Java $required_java is not installed."
>&2 echo "Java $required_java is required to run Minecraft $version."
# Ask the user if they want to download Adoptium JRE
ask_jre
fi
echo
echo
}
# Ask the user if they want to download Adoptium JRE
function ask_jre {
echo "This script can download the correct Adoptium JRE into '$(echo $HOME)/.adoptium_java' for you."
echo "You have 15 seconds to confirm or the script will exit."
read -t 12 -p "Do you want to download Adoptium JRE? (y/N)" download_java
if [[ $download_java == "y" ]] || [[ $download_java == "Y" ]]; then
get_os_arch
download_jre
check_script_java
if [[ $java_version == false ]]; then
>&2 echo "Java $required_java was not downloaded correctly."
>&2 echo "Please install Java $required_java manually."
exit 4
fi
else
>&2 echo "Please install Java $required_java and run this script again."
exit 12
fi
}
# Check if java was downloaded by the script
function check_script_java {
if [[ -d "$(echo $HOME)/.adoptium_java" ]]; then
if [[ $required_java == "8" ]]; then
if [[ -d "$(echo $HOME)/.adoptium_java/jre8" ]]; then
java_version=8
if [[ -f "$(echo $HOME).adoptium_java/jre8/bin/java" ]]; then
PATH="$(echo $HOME)/.adoptium_java/jre8/bin:$PATH"
fi
fi
elif [[ $required_java == "11" ]]; then
if [[ -d "$(echo $HOME)/.adoptium_java/jre11" ]]; then
java_version=11
PATH="$(echo $HOME)/.adoptium_java/jre11/bin:$PATH"
fi
elif [[ $required_java == "16" ]]; then
if [[ -d "$(echo $HOME)/.adoptium_java/jre16" ]]; then
java_version=16
PATH="$(echo $HOME)/.adoptium_java/jre16/bin:$PATH"
fi
elif [[ $required_java == "17" ]]; then
if [[ -d "$(echo $HOME)/.adoptium_java/jre17" ]]; then
java_version=17
PATH="$(echo $HOME)/.adoptium_java/jre17/bin:$PATH"
fi
fi
check_java_exec
if [[ $java_version == $required_java ]]; then
echo "Java $java_version detected in '$(echo $HOME)/.adoptium_java/jre$(echo $java_version)/bin/java.' will be used."
else
java_version=false
fi
else
java_version=false
fi
}
# Get the system Java version
function check_java_exec {
# Check if java is installed
if ! command -v java &> /dev/null; then
java_version=false
else
# Get the current Java version and extract the build number
java_version=$(java -version 2>&1 | awk -F '"' '/version/ {print $2}' | awk -F '.' '{print $1}')
fi
if [[ $java_version != $required_java ]]; then
java_version=false
fi
}
# Get the required Java version for the Minecraft version
# For version 1.8 to 1.11 use java 8
# For version 1.12 to 1.16.4 use java 11
# For version 1.16.5 use java 16
# For version 1.17.1 to 1.18.1+ use java 17
function get_required_java {
# Extract the middle number of the Minecraft version
minecraft_middle=$(echo "$version" | awk -F '.' '{print $2}')
# Get the java version for the defined server version
if (( 8 <= minecraft_middle && minecraft_middle <= 11 )); then
if ! [[ $java_version -eq 8 ]]; then
required_java=8
fi
elif (( 12 <= minecraft_middle && minecraft_middle <= 16 )); then
if ! [[ $java_version -eq 11 ]]; then
required_java=11
fi
elif (( minecraft_middle == 17 )); then
if ! [[ $java_version -eq 16 ]]; then
required_java=16
fi
elif (( 18 <= minecraft_middle )); then
if ! [[ $java_version -eq 17 ]]; then
required_java=17
fi
else
>&2 echo "Unsupported Minecraft version $select_version."
fi
}
# Check host architecture
function get_os_arch {
if [[ $(uname -m) == "x86_64" ]]; then
arch="x64"
elif [[ $(uname -m) == "aarch64" ]]; then
arch="aarch64"
else
>&2 echo "Unsupported architecture $(uname -m)."
>&2 echo "Please install Java $required_java manually."
exit 3
fi
}
# Download openjdk jre
function download_jre {
# Check if .java folder exists
if ! [[ -d "$(echo $HOME)/.adoptium_java" ]]; then
echo "Creating $(echo $HOME)/.adoptium_java folder"
mkdir "$(echo $HOME)/.adoptium_java"
fi
# Download the correct version of Java
if [[ $required_java == "8" ]]; then
echo "Downloading Adoptium JRE 8"
curl -L -o java.tar.gz "https://github.com/adoptium/temurin8-binaries/releases/download/jdk8u362-b09/OpenJDK8U-jre_$(echo $arch)_linux_hotspot_8u362b09.tar.gz"
echo "Extracting Java 8"
tar -xzf java.tar.gz
echo "Moving Java 8 to $(echo $HOME)/.adoptium_java/jre8"
mv jdk8u362-b09-jre "$(echo $HOME)/.adoptium_java/jre8"
echo "Removing temporary files"
rm java.tar.gz
elif [[ $required_java == "11" ]]; then
echo "Downloading Adoptium JRE 11"
curl -L -o java.tar.gz "https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.18%2B10/OpenJDK11U-jre_$(echo $arch)_linux_hotspot_11.0.18_10.tar.gz"
echo "Extracting Java 11"
tar -xzf java.tar.gz
echo "Moving Java 11 to $(echo $HOME)/.adoptium_java/jre11"
mv jdk-11.0.18+10-jre "$(echo $HOME)/.adoptium_java/jre11"
echo "Removing temporary files"
rm java.tar.gz
elif [[ $required_java == "16" ]]; then
echo "Downloading Java 16"
curl -L -o java.tar.gz "https://github.com/adoptium/temurin11-binaries/releases/download/jdk-11.0.18%2B10/OpenJDK11U-jre_$(echo $arch)_linux_hotspot_16.0.2_7.tar.gz"
echo "Extracting Java 16"
tar -xzf java.tar.gz
echo "Moving Java 16 to $(echo $HOME)/.adoptium_java/jre16"
mv jdk-16.0.2+7-jre "$(echo $HOME)/.adoptium_java/jre16"
echo "Removing temporary files"
rm java.tar.gz
elif [[ $required_java == "17" ]]; then
echo "Downloading Java 17"
curl -L -o java.tar.gz "https://github.com/adoptium/temurin17-binaries/releases/download/jdk-17.0.6%2B10/OpenJDK17U-jre_$(echo $arch)_linux_hotspot_17.0.6_10.tar.gz"
echo "Extracting Java 17"
tar -xzf java.tar.gz
echo "Moving Java 17 to $(echo $HOME)/.adoptium_java/jre17"
mv jdk-17.0.6+10-jre "$(echo $HOME)/.adoptium_java/jre17"
echo "Removing temporary files"
rm java.tar.gz
fi
}