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#!/usr/bin/env bash
#-------------------------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
#-------------------------------------------------------------------------------------------------------------
#
# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/java.md
# Maintainer: The VS Code and Codespaces Teams
#
# Syntax: ./java-debian.sh [JDK version] [SDKMAN_DIR] [non-root user] [Add to rc files flag]
JAVA_VERSION=${VERSION:-"lts"}
export SDKMAN_DIR=${SDKMAN_DIR:-"/usr/local/sdkman"}
USERNAME=${USERNAME:-"automatic"}
UPDATE_RC=${UPDATE_RC:-"true"}
set -e
if [ "$(id -u)" -ne 0 ]; then
echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
exit 1
fi
# Ensure that login shells get the correct path if the user updated the PATH using ENV.
rm -f /etc/profile.d/00-restore-env.sh
echo "export PATH=${PATH//$(sh -lc 'echo $PATH')/\$PATH}" > /etc/profile.d/00-restore-env.sh
chmod +x /etc/profile.d/00-restore-env.sh
# Determine the appropriate non-root user
if [ "${USERNAME}" = "auto" ] || [ "${USERNAME}" = "automatic" ]; then
USERNAME=""
POSSIBLE_USERS=("vscode" "node" "codespace" "$(awk -v val=1000 -F ":" '$3==val{print $1}' /etc/passwd)")
for CURRENT_USER in "${POSSIBLE_USERS[@]}"; do
if id -u ${CURRENT_USER} > /dev/null 2>&1; then
USERNAME=${CURRENT_USER}
break
fi
done
if [ "${USERNAME}" = "" ]; then
USERNAME=root
fi
elif [ "${USERNAME}" = "none" ] || ! id -u ${USERNAME} > /dev/null 2>&1; then
USERNAME=root
fi
updaterc() {
if [ "${UPDATE_RC}" = "true" ]; then
echo "Updating /etc/bash.bashrc and /etc/zsh/zshrc..."
if [[ "$(cat /etc/bash.bashrc)" != *"$1"* ]]; then
echo -e "$1" >> /etc/bash.bashrc
fi
if [ -f "/etc/zsh/zshrc" ] && [[ "$(cat /etc/zsh/zshrc)" != *"$1"* ]]; then
echo -e "$1" >> /etc/zsh/zshrc
fi
fi
}
# Function to run apt-get if needed
apt_get_update_if_needed()
{
if [ ! -d "/var/lib/apt/lists" ] || [ "$(ls /var/lib/apt/lists/ | wc -l)" = "0" ]; then
echo "Running apt-get update..."
apt-get update
else
echo "Skipping apt-get update."
fi
}
# Checks if packages are installed and installs them if not
check_packages() {
if ! dpkg -s "$@" > /dev/null 2>&1; then
apt_get_update_if_needed
apt-get -y install --no-install-recommends "$@"
fi
}
# Use SDKMAN to install something using a partial version match
sdk_install() {
local install_type=$1
local requested_version=$2
local prefix=$3
local suffix="${4:-"\\s*"}"
local full_version_check=${5:-".*-[a-z]+"}
if [ "${requested_version}" = "none" ]; then return; fi
# Blank will install latest stable version SDKMAN has
if [ "${requested_version}" = "lts" ] || [ "${requested_version}" = "default" ]; then
requested_version=""
elif echo "${requested_version}" | grep -oE "${full_version_check}" > /dev/null 2>&1; then
echo "${requested_version}"
else
local regex="${prefix}\\K[0-9]+\\.[0-9]+\\.[0-9]+${suffix}"
local version_list="$(. ${SDKMAN_DIR}/bin/sdkman-init.sh && sdk list ${install_type} 2>&1 | grep -oP "${regex}" | tr -d ' ' | sort -rV)"
if [ "${requested_version}" = "latest" ] || [ "${requested_version}" = "current" ]; then
requested_version="$(echo "${version_list}" | head -n 1)"
else
set +e
requested_version="$(echo "${version_list}" | grep -E -m 1 "^${requested_version//./\\.}([\\.\\s]|$)")"
set -e
fi
if [ -z "${requested_version}" ] || ! echo "${version_list}" | grep "^${requested_version//./\\.}$" > /dev/null 2>&1; then
echo -e "Version $2 not found. Available versions:\n${version_list}" >&2
exit 1
fi
fi
su ${USERNAME} -c "umask 0002 && . ${SDKMAN_DIR}/bin/sdkman-init.sh && sdk install ${install_type} ${requested_version} && sdk flush archives && sdk flush temp"
}
export DEBIAN_FRONTEND=noninteractive
architecture="$(uname -m)"
if [ "${architecture}" != "amd64" ] && [ "${architecture}" != "x86_64" ] && [ "${architecture}" != "arm64" ] && [ "${architecture}" != "aarch64" ]; then
echo "(!) Architecture $architecture unsupported"
exit 1
fi
# Install dependencies
check_packages curl ca-certificates zip unzip sed
# Install sdkman if not installed
if [ ! -d "${SDKMAN_DIR}" ]; then
# Create sdkman group, dir, and set sticky bit
if ! cat /etc/group | grep -e "^sdkman:" > /dev/null 2>&1; then
groupadd -r sdkman
fi
usermod -a -G sdkman ${USERNAME}
umask 0002
# Install SDKMAN
curl -sSL "https://get.sdkman.io?rcupdate=false" | bash
chown -R "${USERNAME}:sdkman" ${SDKMAN_DIR}
find ${SDKMAN_DIR} -type d | xargs -d '\n' chmod g+s
# Add sourcing of sdkman into bashrc/zshrc files (unless disabled)
updaterc "export SDKMAN_DIR=${SDKMAN_DIR}\n. \${SDKMAN_DIR}/bin/sdkman-init.sh"
fi
# Use Microsoft JDK for everything but JDK 8
jdk_distro="ms"
if echo "${JAVA_VERSION}" | grep -E '^8([\s\.]|$)' > /dev/null 2>&1; then
jdk_distro="tem"
fi
if [ "${JAVA_VERSION}" = "lts" ]; then
JAVA_VERSION="17"
fi
sdk_install java ${JAVA_VERSION} "\\s*" "(\\.[a-z0-9]+)*-${jdk_distro}\\s*" ".*-[a-z]+$"
echo "Done!"
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