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| 1 | +#!/usr/bin/env bash |
| 2 | +set -euo pipefail |
| 3 | +shopt -s inherit_errexit |
| 4 | + |
| 5 | +function main() { |
| 6 | + local directory jam_version libpak_tools_version |
| 7 | + directory="${TOOLS_DIRECTORY:-${HOME}/bin}" |
| 8 | + jam_version="${JAM_VERSION:-}" |
| 9 | + libpak_tools_version="${LIBPAK_TOOLS_VERSION:-}" |
| 10 | + |
| 11 | + mkdir -p "${directory}" |
| 12 | + |
| 13 | + jam_version="$(resolve_version "jam" "${jam_version}" "${TOOLS_CONFIG:-}")" |
| 14 | + libpak_tools_version="$(resolve_version "libpaktools" "${libpak_tools_version}" "${TOOLS_CONFIG:-}")" |
| 15 | + |
| 16 | + if [[ -z "${jam_version}" && -z "${libpak_tools_version}" ]]; then |
| 17 | + echo "unable to determine a tool version from inputs or ${TOOLS_CONFIG:-the tools config file}" >&2 |
| 18 | + exit 1 |
| 19 | + fi |
| 20 | + |
| 21 | + if [[ -n "${jam_version}" ]]; then |
| 22 | + install_jam "${jam_version}" "${directory}" |
| 23 | + else |
| 24 | + echo "Skipping jam: no version provided or found" |
| 25 | + fi |
| 26 | + |
| 27 | + if [[ -n "${libpak_tools_version}" ]]; then |
| 28 | + install_libpak_tools "${libpak_tools_version}" "${directory}" |
| 29 | + else |
| 30 | + echo "Skipping libpak-tools: no version provided or found" |
| 31 | + fi |
| 32 | + |
| 33 | + if [[ -n "${GITHUB_PATH:-}" ]]; then |
| 34 | + echo "${directory}" >> "${GITHUB_PATH}" |
| 35 | + fi |
| 36 | + |
| 37 | + if [[ -n "${GITHUB_OUTPUT:-}" ]]; then |
| 38 | + echo "directory=${directory}" >> "${GITHUB_OUTPUT}" |
| 39 | + fi |
| 40 | +} |
| 41 | + |
| 42 | +function resolve_version() { |
| 43 | + local key input config version |
| 44 | + key="${1}" |
| 45 | + input="${2}" |
| 46 | + config="${3}" |
| 47 | + |
| 48 | + if [[ -n "${input}" ]]; then |
| 49 | + echo "${input#v}" |
| 50 | + return |
| 51 | + fi |
| 52 | + |
| 53 | + if [[ -n "${config}" && -f "${config}" ]]; then |
| 54 | + version="$(jq -r --arg key "${key}" '.[$key] // empty' "${config}")" |
| 55 | + echo "${version#v}" |
| 56 | + return |
| 57 | + fi |
| 58 | + |
| 59 | + echo "" |
| 60 | +} |
| 61 | + |
| 62 | +function install_jam() { |
| 63 | + local version directory os arch |
| 64 | + version="${1#v}" |
| 65 | + directory="${2}" |
| 66 | + os="$(tool_os)" |
| 67 | + arch="$(tool_arch)" |
| 68 | + |
| 69 | + echo "Installing jam v${version}" |
| 70 | + download \ |
| 71 | + "https://github.com/paketo-buildpacks/jam/releases/download/v${version}/jam-${os}-${arch}" \ |
| 72 | + "${directory}/jam" |
| 73 | + chmod +x "${directory}/jam" |
| 74 | +} |
| 75 | + |
| 76 | +function install_libpak_tools() { |
| 77 | + local version directory os arch archive |
| 78 | + version="${1#v}" |
| 79 | + directory="${2}" |
| 80 | + os="$(tool_os_capitalized)" |
| 81 | + arch="$(libpak_tools_arch)" |
| 82 | + archive="$(mktemp "${TMPDIR:-/tmp}/libpak-tools.XXXXXX")" |
| 83 | + |
| 84 | + echo "Installing libpak-tools v${version}" |
| 85 | + download \ |
| 86 | + "https://github.com/paketo-buildpacks/libpak-tools/releases/download/v${version}/libpak-tools_${os}_${arch}.tar.gz" \ |
| 87 | + "${archive}" |
| 88 | + tar -xzf "${archive}" -C "${directory}" libpak-tools |
| 89 | + rm -f "${archive}" |
| 90 | + chmod +x "${directory}/libpak-tools" |
| 91 | +} |
| 92 | + |
| 93 | +function download() { |
| 94 | + local url output |
| 95 | + url="${1}" |
| 96 | + output="${2}" |
| 97 | + |
| 98 | + curl \ |
| 99 | + --fail \ |
| 100 | + --show-error \ |
| 101 | + --silent \ |
| 102 | + --location \ |
| 103 | + --retry 3 \ |
| 104 | + --connect-timeout 5 \ |
| 105 | + --max-time 120 \ |
| 106 | + --output "${output}" \ |
| 107 | + "${url}" |
| 108 | +} |
| 109 | + |
| 110 | +function tool_os() { |
| 111 | + case "$(uname -s)" in |
| 112 | + "Darwin") |
| 113 | + echo "darwin" |
| 114 | + ;; |
| 115 | + |
| 116 | + "Linux") |
| 117 | + echo "linux" |
| 118 | + ;; |
| 119 | + |
| 120 | + *) |
| 121 | + echo "unsupported operating system: $(uname -s)" >&2 |
| 122 | + exit 1 |
| 123 | + ;; |
| 124 | + esac |
| 125 | +} |
| 126 | + |
| 127 | +function tool_os_capitalized() { |
| 128 | + case "$(uname -s)" in |
| 129 | + "Darwin") |
| 130 | + echo "Darwin" |
| 131 | + ;; |
| 132 | + |
| 133 | + "Linux") |
| 134 | + echo "Linux" |
| 135 | + ;; |
| 136 | + |
| 137 | + *) |
| 138 | + echo "unsupported operating system: $(uname -s)" >&2 |
| 139 | + exit 1 |
| 140 | + ;; |
| 141 | + esac |
| 142 | +} |
| 143 | + |
| 144 | +function tool_arch() { |
| 145 | + case "$(uname -m)" in |
| 146 | + "amd64"|"x86_64") |
| 147 | + echo "amd64" |
| 148 | + ;; |
| 149 | + |
| 150 | + "arm64"|"aarch64") |
| 151 | + echo "arm64" |
| 152 | + ;; |
| 153 | + |
| 154 | + "s390x") |
| 155 | + echo "s390x" |
| 156 | + ;; |
| 157 | + |
| 158 | + *) |
| 159 | + echo "unsupported architecture: $(uname -m)" >&2 |
| 160 | + exit 1 |
| 161 | + ;; |
| 162 | + esac |
| 163 | +} |
| 164 | + |
| 165 | +function libpak_tools_arch() { |
| 166 | + case "$(uname -m)" in |
| 167 | + "amd64"|"x86_64") |
| 168 | + echo "x86_64" |
| 169 | + ;; |
| 170 | + |
| 171 | + "arm64"|"aarch64") |
| 172 | + echo "arm64" |
| 173 | + ;; |
| 174 | + |
| 175 | + *) |
| 176 | + echo "unsupported architecture for libpak-tools: $(uname -m)" >&2 |
| 177 | + exit 1 |
| 178 | + ;; |
| 179 | + esac |
| 180 | +} |
| 181 | + |
| 182 | +main "${@:-}" |
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