restructure and update cli (#11)

* restructure and update cli

* typo

2 files changed, 296 insertions, 0 deletions

diff --git a/src/ruby/feature.json b/src/ruby/feature.json
new file mode 100644
index 0000000..3ba0a36
--- /dev/null
+++ b/src/ruby/feature.json
@@ -0,0 +1,25 @@
+{
+    "id": "ruby",
+    "name": "Ruby (via rvm)",
+    "options": {
+        "version": {
+            "type": "string",
+            "proposals": ["latest", "3.1", "3.0", "2.7"],
+            "default": "latest",
+            "description": "Select or enter a Ruby version to install"
+        }
+    },
+    "extensions": [
+        "rebornix.Ruby"
+    ],
+    "containerEnv": {
+        "GEM_PATH": "/usr/local/rvm/gems/default:/usr/local/rvm/gems/default@global",
+        "GEM_HOME": "/usr/local/rvm/gems/default",
+        "MY_RUBY_HOME": "/usr/local/rvm/rubies/default",
+        "PATH": "/usr/local/rvm/gems/default/bin:/usr/local/rvm/gems/default@global/bin:/usr/local/rvm/rubies/default/bin:${PATH}"
+    },
+    "install": {
+        "app": "",
+        "file": "install.sh"
+    }
+}
\ No newline at end of file
diff --git a/src/ruby/install.sh b/src/ruby/install.sh
new file mode 100644
index 0000000..9908510
--- /dev/null
+++ b/src/ruby/install.sh
@@ -0,0 +1,271 @@
+#!/usr/bin/env bash
+#-------------------------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
+#-------------------------------------------------------------------------------------------------------------
+#
+# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/ruby.md
+# Maintainer: The VS Code and Codespaces Teams
+#
+# Syntax: ./ruby-debian.sh [Ruby version] [non-root user] [Add to rc files flag] [Install tools flag]
+
+RUBY_VERSION=${1:-"latest"}
+USERNAME=${2:-"automatic"}
+UPDATE_RC=${3:-"true"}
+INSTALL_RUBY_TOOLS=${6:-"true"}
+
+# Note: ruby-debug-ide will install the right version of debase if missing and
+# installing debase directly fails on Ruby 3.1.0 as of 1/7/2022, so omitting.
+DEFAULT_GEMS="rake ruby-debug-ide"
+
+RVM_GPG_KEYS="409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB"
+GPG_KEY_SERVERS="keyserver hkp://keyserver.ubuntu.com:80
+keyserver hkps://keys.openpgp.org
+keyserver hkp://keyserver.pgp.com"
+
+set -e
+
+if [ "$(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 $architecture unsupported"
+    exit 1
+fi
+
+# Install dependencies
+check_packages curl ca-certificates software-properties-common build-essential gnupg2 libreadline-dev \
+    procps dirmngr gawk autoconf automake bison libffi-dev libgdbm-dev libncurses5-dev \
+    libsqlite3-dev libtool libyaml-dev pkg-config sqlite3 zlib1g-dev libgmp-dev libssl-dev
+if ! type git > /dev/null 2>&1; then
+    apt_get_update_if_needed
+    apt-get -y install --no-install-recommends git
+fi
+
+
+# Figure out correct version of a three part version number is not passed
+find_version_from_git_tags RUBY_VERSION "https://github.com/ruby/ruby" "tags/v" "_"
+
+# Just install Ruby if RVM already installed
+if [ -d "/usr/local/rvm" ]; then
+    echo "Ruby Version Manager already exists."
+    if [ "${RUBY_VERSION}" != "none" ]; then
+        echo "Installing specified Ruby version."
+        su ${USERNAME} -c "&& rvm install ruby ${RUBY_VERSION}"
+    fi
+    SKIP_GEM_INSTALL="false"
+else
+    # Install RVM
+    receive_gpg_keys RVM_GPG_KEYS
+    # Determine appropriate settings for rvm installer
+    if [ "${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}
+    su ${USERNAME} -c ". /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 "")'
+    su ${USERNAME} -c ". /usr/local/rvm/scripts/rvm && \"$(which gem || echo ${ROOT_GEM})\" install ${DEFAULT_GEMS}"
+fi
+
+# VS Code server usually first in the path, so silence annoying rvm warning (that does not apply) and then source it
+updaterc "if ! grep rvm_silence_path_mismatch_check_flag \$HOME/.rvmrc > /dev/null 2>&1; then echo 'rvm_silence_path_mismatch_check_flag=1' >> \$HOME/.rvmrc; fi\nsource /usr/local/rvm/scripts/rvm > /dev/null 2>&1"
+
+# Install rbenv/ruby-build for good measure
+git clone --depth=1 \
+    -c core.eol=lf \
+    -c core.autocrlf=false \
+    -c fsck.zeroPaddedFilemode=ignore \
+    -c fetch.fsck.zeroPaddedFilemode=ignore \
+    -c receive.fsck.zeroPaddedFilemode=ignore \
+    https://github.com/rbenv/rbenv.git /usr/local/share/rbenv
+ln -s /usr/local/share/rbenv/bin/rbenv /usr/local/bin
+updaterc 'eval "$(rbenv init -)"'
+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
+if [ "${USERNAME}" != "root" ]; then
+    mkdir -p /home/${USERNAME}/.rbenv/plugins
+    chown -R ${USERNAME} /home/${USERNAME}/.rbenv
+    ln -s /usr/local/share/ruby-build /home/${USERNAME}/.rbenv/plugins/ruby-build
+fi
+
+# Clean up
+source /usr/local/rvm/scripts/rvm
+rvm cleanup all 
+gem cleanup
+echo "Done!"