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learned to install github-copilot-cli
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‎src/github-copilot-cli/devcontainer-feature.json‎

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{
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"id": "github-copilot-cli",
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"version": "1.0.0",
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"name": "GitHub Copilot CLI (via npm)",
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"documentationURL": "http://github.com/nulldriver/devcontainer-features/tree/main/src/github-copilot-cli",
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"description": "The power of GitHub Copilot, now in your terminal.",
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"options": {
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"version": {
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"default": "latest",
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"description": "Select the version to install.",
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"proposals": [
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"latest"
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],
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"type": "string"
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}
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},
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"installsAfter": [
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"ghcr.io/devcontainers-extra/features/npm-package",
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"ghcr.io/devcontainers/features/node"
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]
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}

‎src/github-copilot-cli/install.sh‎

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#!/usr/bin/env bash
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set -e
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source ./library_scripts.sh
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# nanolayer is a cli utility which keeps container layers as small as possible
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# source code: https://github.com/devcontainers-extra/nanolayer
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# `ensure_nanolayer` is a bash function that will find any existing nanolayer installations,
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# and if missing - will download a temporary copy that automatically get deleted at the end
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# of the script
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ensure_nanolayer nanolayer_location "v0.5.6"
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# Example nanolayer installation via devcontainer-feature
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$nanolayer_location \
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install \
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devcontainer-feature \
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"ghcr.io/devcontainers-extra/features/npm-package:1.0.4" \
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--option package='@github/copilot' --option version="$VERSION"
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echo 'Done!'

‎src/github-copilot-cli/library_scripts.sh‎

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#!/usr/bin/env bash
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clean_download() {
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# The purpose of this function is to download a file with minimal impact on container layer size
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# this means if no valid downloader is found (curl or wget) then we install a downloader (currently wget) in a
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# temporary manner, and making sure to
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# 1. uninstall the downloader at the return of the function
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# 2. revert back any changes to the package installer database/cache (for example apt-get lists)
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# The above steps will minimize the leftovers being created while installing the downloader
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# Supported distros:
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# debian/ubuntu/alpine
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url=$1
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output_location=$2
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tempdir=$(mktemp -d)
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downloader_installed=""
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function _apt_get_install() {
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tempdir=$1
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# copy current state of apt list - in order to revert back later (minimize contianer layer size)
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cp -p -R /var/lib/apt/lists $tempdir
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apt-get update -y
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apt-get -y install --no-install-recommends wget ca-certificates
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}
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function _apt_get_cleanup() {
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tempdir=$1
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echo "removing wget"
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apt-get -y purge wget --auto-remove
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echo "revert back apt lists"
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rm -rf /var/lib/apt/lists/*
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rm -r /var/lib/apt/lists && mv $tempdir/lists /var/lib/apt/lists
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}
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function _apk_install() {
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tempdir=$1
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# copy current state of apk cache - in order to revert back later (minimize contianer layer size)
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cp -p -R /var/cache/apk $tempdir
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apk add --no-cache wget
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}
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function _apk_cleanup() {
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tempdir=$1
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echo "removing wget"
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apk del wget
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}
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# try to use either wget or curl if one of them already installer
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if type curl >/dev/null 2>&1; then
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downloader=curl
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elif type wget >/dev/null 2>&1; then
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downloader=wget
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else
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downloader=""
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fi
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# in case none of them is installed, install wget temporarly
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if [ -z $downloader ]; then
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if [ -x "/usr/bin/apt-get" ]; then
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_apt_get_install $tempdir
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elif [ -x "/sbin/apk" ]; then
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_apk_install $tempdir
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else
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echo "distro not supported"
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exit 1
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fi
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downloader="wget"
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downloader_installed="true"
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fi
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if [ $downloader = "wget" ]; then
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wget -q $url -O $output_location
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else
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curl -sfL $url -o $output_location
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fi
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# NOTE: the cleanup procedure was not implemented using `trap X RETURN` only because
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# alpine lack bash, and RETURN is not a valid signal under sh shell
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if ! [ -z $downloader_installed ]; then
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if [ -x "/usr/bin/apt-get" ]; then
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_apt_get_cleanup $tempdir
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elif [ -x "/sbin/apk" ]; then
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_apk_cleanup $tempdir
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else
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echo "distro not supported"
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exit 1
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fi
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fi
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}
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ensure_nanolayer() {
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# Ensure existance of the nanolayer cli program
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local variable_name=$1
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local required_version=$2
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# normalize version
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if ! [[ $required_version == v* ]]; then
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required_version=v$required_version
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fi
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local nanolayer_location=""
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# If possible - try to use an already installed nanolayer
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if [[ -z "${NANOLAYER_FORCE_CLI_INSTALLATION}" ]]; then
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if [[ -z "${NANOLAYER_CLI_LOCATION}" ]]; then
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if type nanolayer >/dev/null 2>&1; then
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echo "Found a pre-existing nanolayer in PATH"
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nanolayer_location=nanolayer
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fi
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elif [ -f "${NANOLAYER_CLI_LOCATION}" ] && [ -x "${NANOLAYER_CLI_LOCATION}" ]; then
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nanolayer_location=${NANOLAYER_CLI_LOCATION}
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echo "Found a pre-existing nanolayer which were given in env variable: $nanolayer_location"
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fi
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# make sure its of the required version
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if ! [[ -z "${nanolayer_location}" ]]; then
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local current_version
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current_version=$($nanolayer_location --version)
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if ! [[ $current_version == v* ]]; then
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current_version=v$current_version
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fi
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if ! [ $current_version == $required_version ]; then
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echo "skipping usage of pre-existing nanolayer. (required version $required_version does not match existing version $current_version)"
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nanolayer_location=""
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fi
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fi
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fi
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# If not previuse installation found, download it temporarly and delete at the end of the script
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if [[ -z "${nanolayer_location}" ]]; then
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if [ "$(uname -sm)" == "Linux x86_64" ] || [ "$(uname -sm)" == "Linux aarch64" ]; then
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tmp_dir=$(mktemp -d -t nanolayer-XXXXXXXXXX)
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clean_up() {
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ARG=$?
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rm -rf $tmp_dir
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exit $ARG
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}
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trap clean_up EXIT
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if [ -x "/sbin/apk" ]; then
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clib_type=musl
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else
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clib_type=gnu
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fi
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tar_filename=nanolayer-"$(uname -m)"-unknown-linux-$clib_type.tgz
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# clean download will minimize leftover in case a downloaderlike wget or curl need to be installed
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clean_download https://github.com/devcontainers-extra/nanolayer/releases/download/$required_version/$tar_filename $tmp_dir/$tar_filename
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tar xfzv $tmp_dir/$tar_filename -C "$tmp_dir"
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chmod a+x $tmp_dir/nanolayer
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nanolayer_location=$tmp_dir/nanolayer
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else
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echo "No binaries compiled for non-x86-linux architectures yet: $(uname -m)"
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exit 1
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fi
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fi
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# Expose outside the resolved location
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declare -g ${variable_name}=$nanolayer_location
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}

‎test/github-copilot-cli/scenarios.json‎

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{
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"test_defaults_debian": {
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"image": "mcr.microsoft.com/devcontainers/base:debian",
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"features": {
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"github-copilot-cli": {}
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}
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},
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"test_specific_version": {
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"image": "mcr.microsoft.com/devcontainers/base:debian",
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"features": {
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"github-copilot-cli": {
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"version": "0.0.350"
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}
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}
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}
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}

‎test/github-copilot-cli/test.sh‎

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#!/usr/bin/env bash
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set -e
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source dev-container-features-test-lib
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no_op() {
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echo "scenarios.json is used for tests to ensure proper base image configuration"
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}
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check "empty test" no_op
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reportResults

‎test/github-copilot-cli/test_defaults_debian.sh‎

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#!/usr/bin/env bash
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set -e
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source dev-container-features-test-lib
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check "copilot version" copilot --version
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reportResults

‎test/github-copilot-cli/test_specific_version.sh‎

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#!/usr/bin/env bash
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set -e
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source dev-container-features-test-lib
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check "copilot version is equal to 0.0.350" sh -c "copilot --version | grep '0.0.350'"
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reportResults

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