#!/bin/bash # GNU Guix --- Functional package management for GNU # Copyright © 2017 sharlatan <sharlatanus@gmail.com> # Copyright © 2018 Ricardo Wurmus <rekado@elephly.net> # Copyright © 2018 Efraim Flashner <efraim@flashner.co.il> # # This file is part of GNU Guix. # # GNU Guix is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or (at # your option) any later version. # # GNU Guix is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. set -e [ "$UID" -eq 0 ] || { echo "This script must be run as root."; exit 1; } REQUIRE=( "dirname" "readlink" "wget" "gpg" "grep" "which" "sed" "sort" "getent" "mktemp" "rm" "chmod" "uname" "groupadd" "tail" "tr" ) PAS=$'[ \033[32;1mPASS\033[0m ] ' ERR=$'[ \033[31;1mFAIL\033[0m ] ' INF="[ INFO ] " DEBUG=0 GNU_URL="https://alpha.gnu.org/gnu/guix/" OPENPGP_SIGNING_KEY_ID="3CE464558A84FDC69DB40CFB090B11993D9AEBB5" # This script needs to know where root's home directory is. However, we # cannot simply use the HOME environment variable, since there is no guarantee # that it points to root's home directory. ROOT_HOME="$(echo ~root)" # ------------------------------------------------------------------------------ #+UTILITIES _err() { # All errors go to stderr. printf "[%s]: %s\n" "$(date +%s.%3N)" "$1" } _msg() { # Default message to stdout. printf "[%s]: %s\n" "$(date +%s.%3N)" "$1" } _debug() { if [ "${DEBUG}" = '1' ]; then printf "[%s]: %s\n" "$(date +%s.%3N)" "$1" fi } chk_require() { # Check that every required command is available. declare -a cmds declare -a warn cmds=(${1}) _debug "--- [ $FUNCNAME ] ---" for c in ${cmds[@]}; do command -v "$c" &>/dev/null || warn+=("$c") done [ "${#warn}" -ne 0 ] && { _err "${ERR}Missing commands: ${warn[*]}."; return 1; } _msg "${PAS}verification of required commands completed" gpg --list-keys ${OPENPGP_SIGNING_KEY_ID} >/dev/null 2>&1 || ( _err "${ERR}Missing OpenPGP public key. Fetch it with this command:" echo " gpg --keyserver pgp.mit.edu --recv-keys ${OPENPGP_SIGNING_KEY_ID}" exit 1 ) } chk_term() { # Check for ANSI terminal for color printing. local ansi_term if [ -t 2 ]; then if [ "${TERM+set}" = 'set' ]; then case "$TERM" in xterm*|rxvt*|urxvt*|linux*|vt*|eterm*|screen*) ansi_term=true ;; *) ansi_term=false ERR="[ FAIL ] " PAS="[ PASS ] " ;; esac fi fi } chk_init_sys() { # Return init system type name. if [[ $(/sbin/init --version 2>/dev/null) =~ upstart ]]; then _msg "${INF}init system is: upstart" INIT_SYS="upstart" return 0 elif [[ $(systemctl) =~ -\.mount ]]; then _msg "${INF}init system is: systemd" INIT_SYS="systemd" return 0 elif [[ -f /etc/init.d/cron && ! -h /etc/init.d/cron ]]; then _msg "${INF}init system is: sysv-init" INIT_SYS="sysv-init" return 0 else INIT_SYS="NA" _err "${ERR}Init system could not be detected." fi } chk_sys_arch() { # Check for operating system and architecture type. local os local arch os="$(uname -s)" arch="$(uname -m)" case "$arch" in i386 | i486 | i686 | i786 | x86) local arch=i686 ;; x86_64 | x86-64 | x64 | amd64) local arch=x86_64 ;; aarch64) local arch=aarch64 ;; *) _err "${ERR}Unsupported CPU type: ${arch}" exit 1 esac case "$os" in Linux | linux) local os=linux ;; *) _err "${ERR}Your operation system (${os}) is not supported." exit 1 esac ARCH_OS="${arch}-${os}" } # ------------------------------------------------------------------------------ #+MAIN guix_get_bin_list() { # Scan GNU archive and save list of binaries local gnu_url="$1" local -a bin_ver_ls local latest_ver local default_ver _debug "--- [ $FUNCNAME ] ---" # Filter only version and architecture bin_ver_ls=("$(wget -qO- "$gnu_url" \ | sed -n -e 's/.*guix-binary-\([0-9.]*\)\..*.tar.xz.*/\1/p' \ | sort -Vu)") latest_ver="$(echo "$bin_ver_ls" \ | grep -oP "([0-9]{1,2}\.){2}[0-9]{1,2}" \ | tail -n1)" default_ver="guix-binary-${latest_ver}.${ARCH_OS}" if [[ "${#bin_ver_ls}" -ne "0" ]]; then _msg "${PAS}Release for your system: ${default_ver}" else _err "${ERR}Could not obtain list of Guix releases." exit 1 fi # Use default to download according to the list and local ARCH_OS. BIN_VER="$default_ver" } guix_get_bin() { # Download and verify binary package. local url="$1" local bin_ver="$2" local dl_path="$3" _debug "--- [ $FUNCNAME ] ---" _msg "${INF}Downloading Guix release archive" wget --help | grep -q '\--show-progress' && \ _PROGRESS_OPT="-q --show-progress" || _PROGRESS_OPT="" wget $_PROGRESS_OPT -P "$dl_path" "${url}/${bin_ver}.tar.xz" "${url}/${bin_ver}.tar.xz.sig" if [[ "$?" -eq 0 ]]; then _msg "${PAS}download completed." else _err "${ERR}could not download ${url}/${bin_ver}.tar.xz." exit 1 fi pushd $dl_path >/dev/null gpg --verify "${bin_ver}.tar.xz.sig" >/dev/null 2>&1 if [[ "$?" -eq 0 ]]; then _msg "${PAS}Signature is valid." popd >/dev/null else _err "${ERR}could not verify the signature." exit 1 fi } sys_create_store() { # Unpack and install /gnu/store and /var/guix local pkg="$1" local tmp_path="$2" _debug "--- [ $FUNCNAME ] ---" cd "$tmp_path" tar --warning=no-timestamp \ --extract \ --file "$pkg" && _msg "${PAS}unpacked archive" if [[ -e "/var/guix" || -e "/gnu" ]]; then _err "${ERR}A previous Guix installation was found. Refusing to overwrite." exit 1 else _msg "${INF}Installing /var/guix and /gnu..." mv "${tmp_path}/var/guix" /var/ mv "${tmp_path}/gnu" / fi _msg "${INF}Linking the root user's profile" ln -sf /var/guix/profiles/per-user/root/guix-profile \ "${ROOT_HOME}/.guix-profile" GUIX_PROFILE="${ROOT_HOME}/.guix-profile" source "${GUIX_PROFILE}/etc/profile" _msg "${PAS}activated root profile at /root/.guix-profile" } sys_create_build_user() { # Create the group and user accounts for build users. _debug "--- [ $FUNCNAME ] ---" if [ $(getent group guixbuild) ]; then _msg "${INF}group guixbuild exists" else groupadd --system guixbuild _msg "${PAS}group <guixbuild> created" fi for i in $(seq -w 1 10); do if id "guixbuilder${i}" &>/dev/null; then _msg "${INF}user is already in the system, reset" usermod -g guixbuild -G guixbuild \ -d /var/empty -s "$(which nologin)" \ -c "Guix build user $i" \ "guixbuilder${i}"; else useradd -g guixbuild -G guixbuild \ -d /var/empty -s "$(which nologin)" \ -c "Guix build user $i" --system \ "guixbuilder${i}"; _msg "${PAS}user added <guixbuilder${i}>" fi done } sys_enable_guix_daemon() { # Run the daemon, and set it to automatically start on boot. local info_path local local_bin local var_guix _debug "--- [ $FUNCNAME ] ---" info_path="/usr/local/share/info" local_bin="/usr/local/bin" var_guix="/var/guix/profiles/per-user/root/guix-profile" case "$INIT_SYS" in upstart) { initctl reload-configuration; cp "${ROOT_HOME}/.guix-profile/lib/upstart/system/guix-daemon.conf" \ /etc/init/ && start guix-daemon; } && _msg "${PAS}enabled Guix daemon via upstart" ;; systemd) { cp "${ROOT_HOME}/.guix-profile/lib/systemd/system/guix-daemon.service" \ /etc/systemd/system/; chmod 664 /etc/systemd/system/guix-daemon.service; systemctl daemon-reload && systemctl start guix-daemon && systemctl enable guix-daemon; } && _msg "${PAS}enabled Guix daemon via systemd" ;; NA|*) _msg "${ERR}unsupported init system; run the daemon manually:" echo " ${ROOT_HOME}/.guix-profile/bin/guix-daemon --build-users-group=guixbuild" ;; esac _msg "${INF}making the guix command available to other users" [ -e "$local_bin" ] || mkdir -p "$local_bin" ln -sf "${var_guix}/bin/guix" "$local_bin" [ -e "$info_path" ] || mkdir -p "$info_path" for i in ${var_guix}/share/info/*; do ln -sf "$i" "$info_path" done } sys_authorize_build_farms() { # authorize the public keys of the two build farms while true; do read -p "Permit downloading pre-built package binaries from the project's build farms? (yes/no) " yn case $yn in [Yy]*) guix archive --authorize < "${ROOT_HOME}/.guix-profile/share/guix/hydra.gnu.org.pub" && _msg "${PAS}Authorized public key for hydra.gnu.org"; guix archive --authorize < "${ROOT_HOME}/.guix-profile/share/guix/berlin.guixsd.org.pub" && _msg "${PAS}Authorized public key for berlin.guixsd.org"; break;; [Nn]*) _msg "${INF}Skipped authorizing build farm public keys" break;; *) _msg "Please answer yes or no."; esac done } welcome() { cat<<"EOF" ░░░ ░░░ ░░▒▒░░░░░░░░░ ░░░░░░░░░▒▒░░ ░░▒▒▒▒▒░░░░░░░ ░░░░░░░▒▒▒▒▒░ ░▒▒▒░░▒▒▒▒▒ ░░░░░░░▒▒░ ░▒▒▒▒░ ░░░░░░ ▒▒▒▒▒ ░░░░░░ ▒▒▒▒▒ ░░░░░ ░▒▒▒▒▒ ░░░░░ ▒▒▒▒▒ ░░░░░ ▒▒▒▒▒ ░░░░░ ░▒▒▒▒▒░░░░░ ▒▒▒▒▒▒░░░ ▒▒▒▒▒▒░ _____ _ _ _ _ _____ _ / ____| \ | | | | | / ____| (_) | | __| \| | | | | | | __ _ _ ___ __ | | |_ | . ' | | | | | | |_ | | | | \ \/ / | |__| | |\ | |__| | | |__| | |_| | |> < \_____|_| \_|\____/ \_____|\__,_|_/_/\_\ This script installs GNU Guix on your system https://www.gnu.org/software/guix/ EOF echo -n "Press return to continue..." read -r ANSWER } main() { local tmp_path welcome _msg "Starting installation ($(date))" chk_term chk_require "${REQUIRE[*]}" chk_init_sys chk_sys_arch _msg "${INF}system is ${ARCH_OS}" tmp_path="$(mktemp -t -d guix.XXX)" guix_get_bin_list "${GNU_URL}" guix_get_bin "${GNU_URL}" "${BIN_VER}" "$tmp_path" sys_create_store "${BIN_VER}.tar.xz" "${tmp_path}" sys_create_build_user sys_enable_guix_daemon sys_authorize_build_farms _msg "${INF}cleaning up ${tmp_path}" rm -r "${tmp_path}" _msg "${PAS}Guix has successfully been installed!" _msg "${INF}Run 'info guix' to read the manual." } main "$@"