Move java runtime to installer script

Author: lukasmasuch

resources/tools/java-runtime.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+# Stops script execution if a command has an error
+set -e
+
+INSTALL_ONLY=0
+# Loop through arguments and process them: https://pretzelhands.com/posts/command-line-flags
+for arg in "$@"; do
+    case $arg in
+        -i|--install) INSTALL_ONLY=1 ; shift ;;
+        *) break ;;
+    esac
+done
+
+if ! hash java 2>/dev/null; then
+    echo "Installing Java Runtime. Please wait..."
+    apt-get update
+    apt-get install -y --no-install-recommends openjdk-11-jdk maven scala && \
+else
+    echo "Java Runtime is already installed"
+fi
+
+# Install vscode go extension
+if hash code 2>/dev/null; then
+    LD_LIBRARY_PATH="" LD_PRELOAD="" code --user-data-dir=$HOME/.config/Code/ --extensions-dir=$HOME/.vscode/extensions/ --install-extension redhat.java
+else
+    echo "Please install the desktop version of vscode via the vs-code-desktop.sh script to install go vscode extensions."
+fi
+
+# Run
+if [ $INSTALL_ONLY = 0 ] ; then
+    echo "Use java via command-line:"
+    java --help
+    sleep 20
+fi
+