Mateusz Gruszczyński
80 lines
2.9 KiB
Bash
Executable File
80 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# Bootstrap installer for pyTorrent only.
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# Intended usage:
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# curl -fsSL https://git.linuxiarz.pl/gru/pyTorrent/raw/branch/master/scripts/install_pytorrent.sh | sudo bash
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if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
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cat <<'USAGE'
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Usage: curl -fsSL https://git.linuxiarz.pl/gru/pyTorrent/raw/branch/master/scripts/install_pytorrent.sh | sudo bash -s -- [options]
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This bootstrap downloads pyTorrent and forwards all options to scripts/install_pytorrent_only.sh.
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Run scripts/install_pytorrent_only.sh --help inside the repository for the full option list.
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USAGE
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exit 0
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fi
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if [[ "${EUID}" -ne 0 ]]; then
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echo "Run as root, for example: curl -fsSL <url> | sudo bash" >&2
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exit 1
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fi
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REPO_URL="${PYTORRENT_REPO_URL:-https://git.linuxiarz.pl/gru/pyTorrent}"
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REPO_BRANCH="${PYTORRENT_REPO_BRANCH:-master}"
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WORK_DIR="${PYTORRENT_BOOTSTRAP_DIR:-/tmp/pytorrent-only-installer}"
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KEEP_WORK_DIR="${PYTORRENT_KEEP_BOOTSTRAP_DIR:-0}"
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ARCHIVE_URL="${PYTORRENT_ARCHIVE_URL:-${REPO_URL%/}/archive/${REPO_BRANCH}.tar.gz}"
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PROJECT_DIR="${WORK_DIR}/src"
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ARCHIVE_PATH="${WORK_DIR}/pytorrent.tar.gz"
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log() { printf '[pyTorrent bootstrap] %s\n' "$*"; }
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fail() { printf '[pyTorrent bootstrap] ERROR: %s\n' "$*" >&2; exit 1; }
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command_exists() { command -v "$1" >/dev/null 2>&1; }
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prepare_downloader() {
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# Note: Bootstrap installs only tools required to fetch and unpack the repository.
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if command_exists apt-get; then
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apt-get update
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apt-get install -y --no-install-recommends ca-certificates curl tar gzip python3 sudo
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elif command_exists dnf; then
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dnf install -y ca-certificates curl tar gzip python3 sudo
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elif command_exists yum; then
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yum install -y ca-certificates curl tar gzip python3 sudo
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elif command_exists pacman; then
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pacman -Sy --noconfirm --needed ca-certificates curl tar gzip python sudo
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fi
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if command_exists curl; then DOWNLOADER="curl"; return; fi
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if command_exists wget; then DOWNLOADER="wget"; return; fi
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fail "curl or wget is required."
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}
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download_file() {
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local url="$1" destination="$2"
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if [[ "${DOWNLOADER}" == "curl" ]]; then
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curl -fL "${url}" -o "${destination}"
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else
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wget -O "${destination}" "${url}"
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fi
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}
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cleanup() {
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if [[ "${KEEP_WORK_DIR}" != "1" ]]; then
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rm -rf "${WORK_DIR}"
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else
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log "Keeping bootstrap directory: ${WORK_DIR}"
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fi
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}
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trap cleanup EXIT
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prepare_downloader
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rm -rf "${WORK_DIR}"
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mkdir -p "${PROJECT_DIR}"
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log "Downloading pyTorrent from ${ARCHIVE_URL}"
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download_file "${ARCHIVE_URL}" "${ARCHIVE_PATH}"
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tar -xzf "${ARCHIVE_PATH}" -C "${PROJECT_DIR}" --strip-components=1
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[[ -f "${PROJECT_DIR}/scripts/install_pytorrent_only.sh" ]] || fail "Missing scripts/install_pytorrent_only.sh in downloaded repository."
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chmod +x "${PROJECT_DIR}/scripts/install_pytorrent_only.sh"
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log "Running pyTorrent-only installer"
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bash "${PROJECT_DIR}/scripts/install_pytorrent_only.sh" "$@"
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