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| 1 | +#!/usr/bin/env bash |
| 2 | + |
| 3 | +: ${VERSION:="latest"} |
| 4 | +: ${INSTALL_DEPENDENCIES:=true} |
| 5 | + |
| 6 | +USERNAME=${USERNAME:-${_REMOTE_USER:-"automatic"}} |
| 7 | + |
| 8 | +set -e |
| 9 | + |
| 10 | +export TMPDIR=$(mktemp -d /tmp/feature.XXXXXX) |
| 11 | +trap "rm -rf $TMPDIR" EXIT |
| 12 | + |
| 13 | +# Clean up |
| 14 | +rm -rf /var/lib/apt/lists/* |
| 15 | + |
| 16 | +if [ "$(id -u)" -ne 0 ]; then |
| 17 | + echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.' |
| 18 | + exit 1 |
| 19 | +fi |
| 20 | + |
| 21 | +architecture="$(dpkg --print-architecture)" |
| 22 | +if [ "${architecture}" != "amd64" ] && [ "${architecture}" != "arm64" ]; then |
| 23 | + echo "(!) Architecture $architecture unsupported" |
| 24 | + exit 1 |
| 25 | +fi |
| 26 | + |
| 27 | +# Determine the appropriate non-root user |
| 28 | +if [ "${USERNAME}" = "auto" ] || [ "${USERNAME}" = "automatic" ]; then |
| 29 | + USERNAME="" |
| 30 | + POSSIBLE_USERS=("vscode" "node" "codespace" "$(awk -v val=1000 -F ":" '$3==val{print $1}' /etc/passwd)") |
| 31 | + for CURRENT_USER in "${POSSIBLE_USERS[@]}"; do |
| 32 | + if id -u "${CURRENT_USER}" >/dev/null 2>&1; then |
| 33 | + USERNAME=${CURRENT_USER} |
| 34 | + break |
| 35 | + fi |
| 36 | + done |
| 37 | + if [ "${USERNAME}" = "" ]; then |
| 38 | + USERNAME=root |
| 39 | + fi |
| 40 | +elif [ "${USERNAME}" = "none" ] || ! id -u ${USERNAME} >/dev/null 2>&1; then |
| 41 | + USERNAME=root |
| 42 | +fi |
| 43 | + |
| 44 | +apt_get_update() { |
| 45 | + if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then |
| 46 | + echo "Running apt-get update..." |
| 47 | + apt-get update -y |
| 48 | + fi |
| 49 | +} |
| 50 | + |
| 51 | +# Checks if packages are installed and installs them if not |
| 52 | +check_packages() { |
| 53 | + if ! dpkg -s "$@" >/dev/null 2>&1; then |
| 54 | + apt_get_update |
| 55 | + apt-get -y install --no-install-recommends "$@" |
| 56 | + fi |
| 57 | +} |
| 58 | + |
| 59 | +check_git() { |
| 60 | + if [ ! -x "$(command -v git)" ]; then |
| 61 | + check_packages git |
| 62 | + fi |
| 63 | +} |
| 64 | + |
| 65 | +find_version_from_git_tags() { |
| 66 | + local variable_name=$1 |
| 67 | + local requested_version=${!variable_name} |
| 68 | + if [ "${requested_version}" = "none" ]; then return; fi |
| 69 | + local repository=$2 |
| 70 | + local prefix=${3:-"tags/v"} |
| 71 | + local separator=${4:-"."} |
| 72 | + local last_part_optional=${5:-"false"} |
| 73 | + if [ "$(echo "${requested_version}" | grep -o "." | wc -l)" != "2" ]; then |
| 74 | + local escaped_separator=${separator//./\\.} |
| 75 | + local last_part |
| 76 | + if [ "${last_part_optional}" = "true" ]; then |
| 77 | + last_part="(${escaped_separator}[0-9]+)*?" |
| 78 | + else |
| 79 | + last_part="${escaped_separator}[0-9]+" |
| 80 | + fi |
| 81 | + local regex="${prefix}\\K[0-9]+${escaped_separator}[0-9]+${last_part}$" |
| 82 | + local version_list |
| 83 | + check_git |
| 84 | + check_packages ca-certificates |
| 85 | + version_list="$(git ls-remote --tags "${repository}" | grep -oP "${regex}" | tr -d ' ' | tr "${separator}" "." | sort -rV)" |
| 86 | + if [ "${requested_version}" = "latest" ] || [ "${requested_version}" = "current" ] || [ "${requested_version}" = "lts" ]; then |
| 87 | + declare -g "${variable_name}"="$(echo "${version_list}" | head -n 1)" |
| 88 | + else |
| 89 | + set +e |
| 90 | + declare -g "${variable_name}"="$(echo "${version_list}" | grep -E -m 1 "^${requested_version//./\\.}([\\.\\s]|$)")" |
| 91 | + set -e |
| 92 | + fi |
| 93 | + fi |
| 94 | + if [ -z "${!variable_name}" ] || ! echo "${version_list}" | grep "^${!variable_name//./\\.}$" >/dev/null 2>&1; then |
| 95 | + echo -e "Invalid ${variable_name} value: ${requested_version}\nValid values:\n${version_list}" >&2 |
| 96 | + exit 1 |
| 97 | + fi |
| 98 | + echo "${variable_name}=${!variable_name}" |
| 99 | +} |
| 100 | + |
| 101 | +export DEBIAN_FRONTEND=noninteractive |
| 102 | + |
| 103 | +### BEGIN install |
| 104 | + |
| 105 | +# Soft version matching |
| 106 | +find_version_from_git_tags VERSION "https://github.com/jtarchie/builder" |
| 107 | + |
| 108 | +check_packages curl ca-certificates |
| 109 | +echo "Downloading builder..." |
| 110 | +curl -sL "https://github.com/jtarchie/builder/releases/download/v${VERSION}/builder_linux_${architecture}.tar.gz" -o "${TMPDIR}/builder.tar.gz" |
| 111 | + |
| 112 | +# Uncompress the tar.gz file |
| 113 | +tar -xzf "${TMPDIR}/builder.tar.gz" -C "${TMPDIR}" |
| 114 | + |
| 115 | +# Make the builder executable and move it to /usr/local/bin |
| 116 | +install "${TMPDIR}/builder" /usr/local/bin/builder |
| 117 | + |
| 118 | +builder --help |
| 119 | +echo "Builder version ${VERSION} for architecture ${architecture} installed successfully." |
| 120 | + |
| 121 | +### END install |
| 122 | + |
| 123 | +# Clean up |
| 124 | +rm -rf /var/lib/apt/lists/* |
| 125 | + |
| 126 | +echo "Done!" |
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