diff --git a/tracks-files/bin/fetch-configlet b/tracks-files/bin/fetch-configlet new file mode 100755 index 0000000..4800e15 --- /dev/null +++ b/tracks-files/bin/fetch-configlet @@ -0,0 +1,90 @@ +#!/usr/bin/env bash + +# This file is a copy of the +# https://github.com/exercism/configlet/blob/main/scripts/fetch-configlet file. +# Please submit bugfixes/improvements to the above file to ensure that all tracks benefit from the changes. + +set -eo pipefail + +curlopts=( + --silent + --show-error + --fail + --location + --retry 3 +) + +if [[ -n "${GITHUB_TOKEN}" ]]; then + curlopts+=(--header "authorization: Bearer ${GITHUB_TOKEN}") +fi + +get_download_url() { + local os="$1" + local ext="$2" + local latest='https://api.github.com/repos/exercism/configlet/releases/latest' + local arch + case "$(uname -m)" in + x86_64) arch='x86-64' ;; + *686*) arch='i386' ;; + *386*) arch='i386' ;; + *) arch='x86-64' ;; + esac + local suffix="${os}_${arch}.${ext}" + curl "${curlopts[@]}" --header 'Accept: application/vnd.github.v3+json' "${latest}" | + grep "\"browser_download_url\": \".*/download/.*/configlet.*${suffix}\"$" | + cut -d'"' -f4 +} + +main() { + local output_dir + if [[ -d ./bin ]]; then + output_dir="./bin" + elif [[ $PWD == */bin ]]; then + output_dir="$PWD" + else + echo "Error: no ./bin directory found. This script should be ran from a repo root." >&2 + return 1 + fi + + local os + case "$(uname)" in + Darwin*) os='macos' ;; + Linux*) os='linux' ;; + Windows*) os='windows' ;; + MINGW*) os='windows' ;; + MSYS_NT-*) os='windows' ;; + *) os='linux' ;; + esac + + local ext + case "${os}" in + windows*) ext='zip' ;; + *) ext='tar.gz' ;; + esac + + echo "Fetching configlet..." >&2 + local download_url + download_url="$(get_download_url "${os}" "${ext}")" + local output_path="${output_dir}/latest-configlet.${ext}" + curl "${curlopts[@]}" --output "${output_path}" "${download_url}" + + case "${ext}" in + *zip) unzip "${output_path}" -d "${output_dir}" ;; + *) tar xzf "${output_path}" -C "${output_dir}" ;; + esac + + rm -f "${output_path}" + + local executable_ext + case "${os}" in + windows*) executable_ext='.exe' ;; + *) executable_ext='' ;; + esac + + local configlet_path="${output_dir}/configlet${executable_ext}" + local configlet_version + configlet_version="$(${configlet_path} --version)" + echo "Downloaded configlet ${configlet_version} to ${configlet_path}" +} + +main