restructure and update cli (#11)

* restructure and update cli

* typo

2 files changed, 279 insertions, 0 deletions

diff --git a/src/go/feature.json b/src/go/feature.json
new file mode 100644
index 0000000..0f8c6db
--- /dev/null
+++ b/src/go/feature.json
@@ -0,0 +1,24 @@
+{
+    "id": "go",
+    "name": "Go",
+    "options": {
+        "version": {
+            "type": "string",
+            "proposals": ["latest", "1.18", "1.17"],
+            "default": "latest",
+            "description": "Select or enter a Go version to install"
+        }
+    },
+    "init": true,
+    "extensions": ["golang.Go"],
+    "containerEnv": {
+        "GOPATH": "/go",
+        "PATH": "${GOPATH}/bin:${GOROOT}/bin:${PATH}"
+    },
+    "capAdd": [ "SYS_PTRACE" ],
+    "securityOpt": [ "seccomp=unconfined" ],
+    "install": {
+        "app": "",
+        "file": "install.sh"
+    }
+}
\ No newline at end of file
diff --git a/src/go/install.sh b/src/go/install.sh
new file mode 100644
index 0000000..47ab299
--- /dev/null
+++ b/src/go/install.sh
@@ -0,0 +1,255 @@
+#!/usr/bin/env bash
+#-------------------------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
+#-------------------------------------------------------------------------------------------------------------
+#
+# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/go.md
+# Maintainer: The VS Code and Codespaces Teams
+#
+# Syntax: ./go-debian.sh [Go version] [GOROOT] [GOPATH] [non-root user] [Add GOPATH, GOROOT to rc files flag] [Install tools flag]
+
+TARGET_GO_VERSION=${1:-"latest"}
+TARGET_GOROOT=${2:-"/usr/local/go"}
+TARGET_GOPATH=${3:-"/go"}
+USERNAME=${4:-"automatic"}
+UPDATE_RC=${5:-"true"}
+INSTALL_GO_TOOLS=${6:-"true"}
+
+# https://www.google.com/linuxrepositories/
+GO_GPG_KEY_URI="https://dl.google.com/linux/linux_signing_key.pub"
+
+set -e
+
+if [ "$(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
+}
+# 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}"
+}
+
+# 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}"
+}
+
+# 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 "$@"
+    fi
+}
+
+export DEBIAN_FRONTEND=noninteractive
+
+# Install curl, tar, git, other dependencies if missing
+check_packages curl ca-certificates gnupg2 tar g++ gcc libc6-dev make pkg-config
+if ! type git > /dev/null 2>&1; then
+    apt_get_update_if_needed
+    apt-get -y install --no-install-recommends git
+fi
+
+# Get closest match for version number specified
+find_version_from_git_tags TARGET_GO_VERSION "https://go.googlesource.com/go" "tags/go" "." "true"
+
+architecture="$(uname -m)"
+case $architecture in
+    x86_64) architecture="amd64";;
+    aarch64 | armv8*) architecture="arm64";;
+    aarch32 | armv7* | armvhf*) architecture="armv6l";;
+    i?86) architecture="386";;
+    *) echo "(!) Architecture $architecture unsupported"; exit 1 ;;
+esac
+
+# Install Go
+umask 0002
+if ! cat /etc/group | grep -e "^golang:" > /dev/null 2>&1; then
+    groupadd -r golang
+fi
+usermod -a -G golang "${USERNAME}"
+mkdir -p "${TARGET_GOROOT}" "${TARGET_GOPATH}" 
+if [ "${TARGET_GO_VERSION}" != "none" ] && ! type go > /dev/null 2>&1; then
+    # Use a temporary locaiton for gpg keys to avoid polluting image
+    export GNUPGHOME="/tmp/tmp-gnupg"
+    mkdir -p ${GNUPGHOME}
+    chmod 700 ${GNUPGHOME}
+    get_common_setting GO_GPG_KEY_URI
+    curl -sSL -o /tmp/tmp-gnupg/golang_key "${GO_GPG_KEY_URI}"
+    gpg -q --import /tmp/tmp-gnupg/golang_key
+    echo "Downloading Go ${TARGET_GO_VERSION}..."
+    set +e
+    curl -fsSL -o /tmp/go.tar.gz "https://golang.org/dl/go${TARGET_GO_VERSION}.linux-${architecture}.tar.gz"
+    exit_code=$?
+    set -e
+    if [ "$exit_code" != "0" ]; then
+        echo "(!) Download failed."
+        # Try one break fix version number less if we get a failure. Use "set +e" since "set -e" can cause failures in valid scenarios.
+        set +e
+        major="$(echo "${TARGET_GO_VERSION}" | grep -oE '^[0-9]+' || echo '')"
+        minor="$(echo "${TARGET_GO_VERSION}" | grep -oP '^[0-9]+\.\K[0-9]+' || echo '')"
+        breakfix="$(echo "${TARGET_GO_VERSION}" | grep -oP '^[0-9]+\.[0-9]+\.\K[0-9]+' 2>/dev/null || echo '')"
+        # Handle Go's odd version pattern where "0" releases omit the last part
+        if [ "${breakfix}" = "" ] || [ "${breakfix}" = "0" ]; then
+            ((minor=minor-1))
+            TARGET_GO_VERSION="${major}.${minor}"
+            # Look for latest version from previous minor release
+            find_version_from_git_tags TARGET_GO_VERSION "https://go.googlesource.com/go" "tags/go" "." "true"
+        else 
+            ((breakfix=breakfix-1))
+            if [ "${breakfix}" = "0" ]; then
+                TARGET_GO_VERSION="${major}.${minor}"
+            else 
+                TARGET_GO_VERSION="${major}.${minor}.${breakfix}"
+            fi
+        fi
+        set -e
+        echo "Trying ${TARGET_GO_VERSION}..."
+        curl -fsSL -o /tmp/go.tar.gz "https://golang.org/dl/go${TARGET_GO_VERSION}.linux-${architecture}.tar.gz"
+    fi
+    curl -fsSL -o /tmp/go.tar.gz.asc "https://golang.org/dl/go${TARGET_GO_VERSION}.linux-${architecture}.tar.gz.asc"
+    gpg --verify /tmp/go.tar.gz.asc /tmp/go.tar.gz
+    echo "Extracting Go ${TARGET_GO_VERSION}..."
+    tar -xzf /tmp/go.tar.gz -C "${TARGET_GOROOT}" --strip-components=1
+    rm -rf /tmp/go.tar.gz /tmp/go.tar.gz.asc /tmp/tmp-gnupg
+else
+    echo "Go already installed. Skipping."
+fi
+
+# Install Go tools that are isImportant && !replacedByGopls based on
+# https://github.com/golang/vscode-go/blob/v0.31.1/src/goToolsInformation.ts
+GO_TOOLS="\
+    golang.org/x/tools/gopls@latest \
+    honnef.co/go/tools/cmd/staticcheck@latest \
+    golang.org/x/lint/golint@latest \
+    github.com/mgechev/revive@latest \
+    github.com/uudashr/gopkgs/v2/cmd/gopkgs@latest \
+    github.com/ramya-rao-a/go-outline@latest \
+    github.com/go-delve/delve/cmd/dlv@latest \
+    github.com/golangci/golangci-lint/cmd/golangci-lint@latest"
+if [ "${INSTALL_GO_TOOLS}" = "true" ]; then
+    echo "Installing common Go tools..."
+    export PATH=${TARGET_GOROOT}/bin:${PATH}
+    mkdir -p /tmp/gotools /usr/local/etc/vscode-dev-containers ${TARGET_GOPATH}/bin
+    cd /tmp/gotools
+    export GOPATH=/tmp/gotools
+    export GOCACHE=/tmp/gotools/cache
+
+    # Use go get for versions of go under 1.16
+    go_install_command=install
+    if [[ "1.16" > "$(go version | grep -oP 'go\K[0-9]+\.[0-9]+(\.[0-9]+)?')" ]]; then
+        export GO111MODULE=on
+        go_install_command=get
+        echo "Go version < 1.16, using go get."
+    fi 
+
+    (echo "${GO_TOOLS}" | xargs -n 1 go ${go_install_command} -v )2>&1 | tee -a /usr/local/etc/vscode-dev-containers/go.log
+
+    # Move Go tools into path and clean up
+    mv /tmp/gotools/bin/* ${TARGET_GOPATH}/bin/
+
+    rm -rf /tmp/gotools
+fi
+
+# Add GOPATH variable and bin directory into PATH in bashrc/zshrc files (unless disabled)
+updaterc "$(cat << EOF
+export GOPATH="${TARGET_GOPATH}"
+if [[ "\${PATH}" != *"\${GOPATH}/bin"* ]]; then export PATH="\${PATH}:\${GOPATH}/bin"; fi
+export GOROOT="${TARGET_GOROOT}"
+if [[ "\${PATH}" != *"\${GOROOT}/bin"* ]]; then export PATH="\${PATH}:\${GOROOT}/bin"; fi
+EOF
+)"
+
+chown -R :golang "${TARGET_GOROOT}" "${TARGET_GOPATH}"
+chmod -R g+r+w "${TARGET_GOROOT}" "${TARGET_GOPATH}"
+find "${TARGET_GOROOT}" -type d | xargs -n 1 chmod g+s
+find "${TARGET_GOPATH}" -type d | xargs -n 1 chmod g+s
+
+echo "Done!"
+