66 lines
2.1 KiB
Bash
66 lines
2.1 KiB
Bash
#!/bin/bash
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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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>&2 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=$(echo "$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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echo "Java $java_version is installed."
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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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>&2 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 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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>&2 echo "Java 11 is required for Minecraft version $select_version. Please install Java 11."
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if [[ $java_version == 0 ]]; then
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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 (( minecraft_middle == 17 )); then
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if ! [[ $java_version -eq 16 ]]; then
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>&2 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 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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>&2 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 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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>&2 echo "Unsupported Minecraft version $select_version."
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if [[ $java_version == 0 ]]; then
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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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