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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/ruby.md
# Maintainer: The VS Code and Codespaces Teams
RUBY_VERSION=${VERSION:-"latest"}
USERNAME=${USERNAME:-"automatic"}
UPDATE_RC=${UPDATE_RC:-"true"}
INSTALL_RUBY_TOOLS=${INSTALL_RUBY_TOOLS:-"true"}
# Note: ruby-debug-ide will install the right version of debase if missing and
# installing debase directly fails on Ruby 3.1.0 as of 1/7/2022, so omitting.
DEFAULT_GEMS="rake ruby-debug-ide"
RVM_GPG_KEYS="409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB"
GPG_KEY_SERVERS="keyserver hkp://keyserver.ubuntu.com:80
keyserver hkps://keys.openpgp.org
keyserver hkp://keyserver.pgp.com"
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 "$1" >> /etc/zsh/zshrc
fi
fi
}
# Get central common setting
get_common_setting() {
if [ "${common_settings_file_loaded}" != "true" ]; then
curl -sfL "https://aka.ms/vscode-dev-containers/script-library/settings.env" 2>/dev/null -o /tmp/vsdc-settings.env || echo "Could not download settings file. Skipping."
common_settings_file_loaded=true
fi
if [ -f "/tmp/vsdc-settings.env" ]; then
local multi_line=""
if [ "$2" = "true" ]; then multi_line="-z"; fi
local result="$(grep ${multi_line} -oP "$1=\"?\K[^\"]+" /tmp/vsdc-settings.env | tr -d '\0')"
if [ ! -z "${result}" ]; then declare -g $1="${result}"; fi
fi
echo "$1=${!1}"
}
# Import the specified key in a variable name passed in as
receive_gpg_keys() {
get_common_setting $1
local keys=${!1}
get_common_setting GPG_KEY_SERVERS true
local keyring_args=""
if [ ! -z "$2" ]; then
keyring_args="--no-default-keyring --keyring \"$2\""
fi
# Use a temporary locaiton for gpg keys to avoid polluting image
export GNUPGHOME="/tmp/tmp-gnupg"
mkdir -p ${GNUPGHOME}
chmod 700 ${GNUPGHOME}
echo -e "disable-ipv6\n${GPG_KEY_SERVERS}" > ${GNUPGHOME}/dirmngr.conf
# GPG key download sometimes fails for some reason and retrying fixes it.
local retry_count=0
local gpg_ok="false"
set +e
until [ "${gpg_ok}" = "true" ] || [ "${retry_count}" -eq "5" ];
do
echo "(*) Downloading GPG key..."
( echo "${keys}" | xargs -n 1 gpg -q ${keyring_args} --recv-keys) 2>&1 && gpg_ok="true"
if [ "${gpg_ok}" != "true" ]; then
echo "(*) Failed getting key, retring in 10s..."
(( retry_count++ ))
sleep 10s
fi
done
set -e
if [ "${gpg_ok}" = "false" ]; then
echo "(!) Failed to get gpg key."
exit 1
fi
}
# Figure out correct version of a three part version number is not passed
find_version_from_git_tags() {
local variable_name=$1
local requested_version=${!variable_name}
if [ "${requested_version}" = "none" ]; then return; fi
local repository=$2
local prefix=${3:-"tags/v"}
local separator=${4:-"."}
local last_part_optional=${5:-"false"}
if [ "$(echo "${requested_version}" | grep -o "." | wc -l)" != "2" ]; then
local escaped_separator=${separator//./\\.}
local last_part
if [ "${last_part_optional}" = "true" ]; then
last_part="(${escaped_separator}[0-9]+)?"
else
last_part="${escaped_separator}[0-9]+"
fi
local regex="${prefix}\\K[0-9]+${escaped_separator}[0-9]+${last_part}$"
local version_list="$(git ls-remote --tags ${repository} | grep -oP "${regex}" | tr -d ' ' | tr "${separator}" "." | sort -rV)"
if [ "${requested_version}" = "latest" ] || [ "${requested_version}" = "current" ] || [ "${requested_version}" = "lts" ]; then
declare -g ${variable_name}="$(echo "${version_list}" | head -n 1)"
else
set +e
declare -g ${variable_name}="$(echo "${version_list}" | grep -E -m 1 "^${requested_version//./\\.}([\\.\\s]|$)")"
set -e
fi
fi
if [ -z "${!variable_name}" ] || ! echo "${version_list}" | grep "^${!variable_name//./\\.}$" > /dev/null 2>&1; then
echo -e "Invalid ${variable_name} value: ${requested_version}\nValid values:\n${version_list}" >&2
exit 1
fi
echo "${variable_name}=${!variable_name}"
}
# 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 "$@"
fi
}
# Ensure apt is in non-interactive to avoid prompts
export DEBIAN_FRONTEND=noninteractive
architecture="$(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 software-properties-common build-essential gnupg2 libreadline-dev \
procps dirmngr gawk autoconf automake bison libffi-dev libgdbm-dev libncurses5-dev \
libsqlite3-dev libtool libyaml-dev pkg-config sqlite3 zlib1g-dev libgmp-dev libssl-dev
if ! type git > /dev/null 2>&1; then
apt_get_update_if_needed
apt-get -y install --no-install-recommends git
fi
# Figure out correct version of a three part version number is not passed
find_version_from_git_tags RUBY_VERSION "https://github.com/ruby/ruby" "tags/v" "_"
# Just install Ruby if RVM already installed
if [ $(rvm --version) != "" ]; then
echo "Ruby Version Manager already exists."
if [ "${RUBY_VERSION}" != "none" ]; then
echo "Installing specified Ruby version."
su ${USERNAME} -c "rvm install ruby ${RUBY_VERSION}"
fi
SKIP_GEM_INSTALL="false"
SKIP_RBENV_RBUILD="true"
else
# Install RVM
receive_gpg_keys RVM_GPG_KEYS
# Determine appropriate settings for rvm installer
if [ "${RUBY_VERSION}" = "none" ]; then
RVM_INSTALL_ARGS=""
else
if [ "${RUBY_VERSION}" = "latest" ] || [ "${RUBY_VERSION}" = "current" ] || [ "${RUBY_VERSION}" = "lts" ]; then
RVM_INSTALL_ARGS="--ruby"
RUBY_VERSION=""
else
RVM_INSTALL_ARGS="--ruby=${RUBY_VERSION}"
fi
if [ "${INSTALL_RUBY_TOOLS}" = "true" ]; then
SKIP_GEM_INSTALL="true"
else
DEFAULT_GEMS=""
fi
fi
# Create rvm group as a system group to reduce the odds of conflict with local user UIDs
if ! cat /etc/group | grep -e "^rvm:" > /dev/null 2>&1; then
groupadd -r rvm
fi
# Install rvm
curl -sSL https://get.rvm.io | bash -s stable --ignore-dotfiles ${RVM_INSTALL_ARGS} --with-default-gems="${DEFAULT_GEMS}" 2>&1
usermod -aG rvm ${USERNAME}
source /usr/local/rvm/scripts/rvm
rvm fix-permissions system
rm -rf ${GNUPGHOME}
fi
if [ "${INSTALL_RUBY_TOOLS}" = "true" ]; then
# Non-root user may not have "gem" in path when script is run and no ruby version
# is installed by rvm, so handle this by using root's default gem in this case
ROOT_GEM="$(which gem || echo "")"
${ROOT_GEM} install ${DEFAULT_GEMS}
fi
# VS Code server usually first in the path, so silence annoying rvm warning (that does not apply) and then source it
updaterc "if ! grep rvm_silence_path_mismatch_check_flag \$HOME/.rvmrc > /dev/null 2>&1; then echo 'rvm_silence_path_mismatch_check_flag=1' >> \$HOME/.rvmrc; fi\nsource /usr/local/rvm/scripts/rvm > /dev/null 2>&1"
# Install rbenv/ruby-build for good measure
if [ "${SKIP_RBENV_RBUILD}" != "true" ]; then
if [[ ! -d "/usr/local/share/rbenv" ]]; then
git clone --depth=1 \
-c core.eol=lf \
-c core.autocrlf=false \
-c fsck.zeroPaddedFilemode=ignore \
-c fetch.fsck.zeroPaddedFilemode=ignore \
-c receive.fsck.zeroPaddedFilemode=ignore \
https://github.com/rbenv/rbenv.git /usr/local/share/rbenv
ln -s /usr/local/share/rbenv/bin/rbenv /usr/local/bin
updaterc 'eval "$(rbenv init -)"'
fi
if [[ ! -d "/usr/local/share/ruby-build" ]]; then
git clone --depth=1 \
-c core.eol=lf \
-c core.autocrlf=false \
-c fsck.zeroPaddedFilemode=ignore \
-c fetch.fsck.zeroPaddedFilemode=ignore \
-c receive.fsck.zeroPaddedFilemode=ignore \
https://github.com/rbenv/ruby-build.git /usr/local/share/ruby-build
mkdir -p /root/.rbenv/plugins
ln -s /usr/local/share/ruby-build /root/.rbenv/plugins/ruby-build
fi
if [ "${USERNAME}" != "root" ]; then
mkdir -p /home/${USERNAME}/.rbenv/plugins
if [[ ! -d "/home/${USERNAME}/.rbenv/plugins/ruby-build" ]]; then
ln -s /usr/local/share/ruby-build /home/${USERNAME}/.rbenv/plugins/ruby-build
fi
ln -s /usr/local/rvm/rubies/default/bin/ruby /usr/local/rvm/gems/default/bin
chown -R "${USERNAME}:rvm" "/home/${USERNAME}/.rbenv/"
chmod -R g+r+w "/home/${USERNAME}/.rbenv"
find "/home/${USERNAME}/.rbenv" -type d | xargs -n 1 chmod g+s
fi
fi
chown -R "${USERNAME}:rvm" "/usr/local/rvm/"
chmod -R g+r+w "/usr/local/rvm/"
find "/usr/local/rvm/" -type d | xargs -n 1 chmod g+s
# Clean up
rvm cleanup all
${ROOT_GEM} cleanup
echo "Done!"
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