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#!/bin/sh
# 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>
# Copyright © 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
#
# 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/>.
# We require Bash but for portability we'd rather not use /bin/bash or
# /usr/bin/env in the shebang, hence this hack.
if [ "x$BASH_VERSION" = "x" ]
then
exec bash "$0" "$@"
fi
set -e
[ "$UID" -eq 0 ] || { echo "This script must be run as root."; exit 1; }
REQUIRE=(
"dirname"
"readlink"
"wget"
"gpg"
"grep"
"which"
"sed"
"sort"
"getent"
"mktemp"
"rm"
"chmod"
"uname"
"groupadd"
"tail"
"tr"
"xz"
)
PAS=$'[ \033[32;1mPASS\033[0m ] '
ERR=$'[ \033[31;1mFAIL\033[0m ] '
INF="[ INFO ] "
DEBUG=0
GNU_URL="https://ftp.gnu.org/gnu/guix/"
OPENPGP_SIGNING_KEY_ID="3CE464558A84FDC69DB40CFB090B11993D9AEBB5"
# This script needs to know where root's home directory is. However, we
# cannot simply use the HOME environment variable, since there is no guarantee
# that it points to root's home directory.
ROOT_HOME="$(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 warn
local c
_debug "--- [ $FUNCNAME ] ---"
for c in "$@"; 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"
}
chk_gpg_keyring()
{ # Check whether the Guix release signing public key is present.
_debug "--- [ $FUNCNAME ] ---"
# Without --dry-run this command will create a ~/.gnupg owned by root on
# systems where gpg has never been used, causing errors and confusion.
gpg --dry-run --list-keys ${OPENPGP_SIGNING_KEY_ID} >/dev/null 2>&1 || (
_err "${ERR}Missing OpenPGP public key. Fetch it with this command:"
echo " wget https://sv.gnu.org/people/viewgpg.php?user_id=15145 -qO - | sudo -i gpg --import -"
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 [[ $(systemctl 2>/dev/null) =~ -\.mount ]]; then
_msg "${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 "$arch" in
i386 | i486 | i686 | i786 | x86)
local arch=i686
;;
x86_64 | x86-64 | x64 | amd64)
local arch=x86_64
;;
aarch64)
local arch=aarch64
;;
armv7l)
local arch=armhf
;;
*)
_err "${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 "${INF}Linking the root user's profile"
mkdir -p "${ROOT_HOME}/.config/guix"
ln -sf /var/guix/profiles/per-user/root/current-guix \
"${ROOT_HOME}/.config/guix/current"
GUIX_PROFILE="${ROOT_HOME}/.config/guix/current"
source "${GUIX_PROFILE}/etc/profile"
_msg "${PAS}activated root profile at ${ROOT_HOME}/.config/guix/current"
}
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 "--- [ $FUNCNAME ] ---"
info_path="/usr/local/share/info"
local_bin="/usr/local/bin"
var_guix="/var/guix/profiles/per-user/root/current-guix"
case "$INIT_SYS" in
upstart)
{ initctl reload-configuration;
cp "${ROOT_HOME}/.config/guix/current/lib/upstart/system/guix-daemon.conf" \
/etc/init/ &&
start guix-daemon; } &&
_msg "${PAS}enabled Guix daemon via upstart"
;;
systemd)
{ # systemd .mount units must be named after the target directory.
# Here we assume a hard-coded name of /gnu/store.
# XXX Work around <https://issues.guix.gnu.org/41356> until next release.
if [ -f "${ROOT_HOME}/.config/guix/current/lib/systemd/system/gnu-store.mount" ]; then
cp "${ROOT_HOME}/.config/guix/current/lib/systemd/system/gnu-store.mount" \
/etc/systemd/system/;
chmod 664 /etc/systemd/system/gnu-store.mount;
systemctl daemon-reload &&
systemctl enable gnu-store.mount;
fi
cp "${ROOT_HOME}/.config/guix/current/lib/systemd/system/guix-daemon.service" \
/etc/systemd/system/;
chmod 664 /etc/systemd/system/guix-daemon.service;
# Work around <https://bugs.gnu.org/36074>, present in 1.0.1.
sed -i /etc/systemd/system/guix-daemon.service \
-e "s/GUIX_LOCPATH='/'GUIX_LOCPATH=/";
# Work around <https://bugs.gnu.org/35671>, present in 1.0.1.
if ! grep en_US /etc/systemd/system/guix-daemon.service >/dev/null;
then sed -i /etc/systemd/system/guix-daemon.service \
-e 's/^Environment=\(.*\)$/Environment=\1 LC_ALL=en_US.UTF-8';
fi;
systemctl daemon-reload &&
systemctl enable guix-daemon &&
systemctl start guix-daemon; } &&
_msg "${PAS}enabled Guix daemon via systemd"
;;
sysv-init)
{ mkdir -p /etc/init.d;
cp "${ROOT_HOME}/.config/guix/current/etc/init.d/guix-daemon" \
/etc/init.d/guix-daemon;
chmod 775 /etc/init.d/guix-daemon;
update-rc.d guix-daemon defaults &&
update-rc.d guix-daemon enable &&
service guix-daemon start; } &&
_msg "${PAS}enabled Guix daemon via sysv"
;;
NA|*)
_msg "${ERR}unsupported init system; run the daemon manually:"
echo " ${ROOT_HOME}/.config/guix/current/bin/guix-daemon --build-users-group=guixbuild"
;;
esac
_msg "${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 key of the build farm
while true; do
read -p "Permit downloading pre-built package binaries from the project's build farm? (yes/no) " yn
case $yn in
[Yy]*) guix archive --authorize < "${ROOT_HOME}/.config/guix/current/share/guix/ci.guix.gnu.org.pub" &&
_msg "${PAS}Authorized public key for ci.guix.gnu.org";
break;;
[Nn]*) _msg "${INF}Skipped authorizing build farm public keys"
break;;
*) _msg "Please answer yes or no.";
esac
done
}
sys_create_init_profile()
{ # Create /etc/profile.d/guix.sh for better desktop integration
# This will not take effect until the next shell or desktop session!
[ -d "/etc/profile.d" ] || mkdir /etc/profile.d # Just in case
cat <<"EOF" > /etc/profile.d/guix.sh
# _GUIX_PROFILE: `guix pull` profile
_GUIX_PROFILE="$HOME/.config/guix/current"
if [ -L $_GUIX_PROFILE ]; then
export PATH="$_GUIX_PROFILE/bin${PATH:+:}$PATH"
# Export INFOPATH so that the updated info pages can be found
# and read by both /usr/bin/info and/or $GUIX_PROFILE/bin/info
# When INFOPATH is unset, add a trailing colon so that Emacs
# searches 'Info-default-directory-list'.
export INFOPATH="$_GUIX_PROFILE/share/info:$INFOPATH"
fi
# GUIX_PROFILE: User's default profile
GUIX_PROFILE="$HOME/.guix-profile"
[ -L $GUIX_PROFILE ] || return
GUIX_LOCPATH="$GUIX_PROFILE/lib/locale"
export GUIX_PROFILE GUIX_LOCPATH
[ -f "$GUIX_PROFILE/etc/profile" ] && . "$GUIX_PROFILE/etc/profile"
# set XDG_DATA_DIRS to include Guix installations
export XDG_DATA_DIRS="$GUIX_PROFILE/share:${XDG_DATA_DIRS:-/usr/local/share/:/usr/share/}"
EOF
}
welcome()
{
cat<<"EOF"
░░░ ░░░
░░▒▒░░░░░░░░░ ░░░░░░░░░▒▒░░
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░▒▒▒░░▒▒▒▒▒ ░░░░░░░▒▒░
░▒▒▒▒░ ░░░░░░
▒▒▒▒▒ ░░░░░░
▒▒▒▒▒ ░░░░░
░▒▒▒▒▒ ░░░░░
▒▒▒▒▒ ░░░░░
▒▒▒▒▒ ░░░░░
░▒▒▒▒▒░░░░░
▒▒▒▒▒▒░░░
▒▒▒▒▒▒░
_____ _ _ _ _ _____ _
/ ____| \ | | | | | / ____| (_)
| | __| \| | | | | | | __ _ _ ___ __
| | |_ | . ' | | | | | | |_ | | | | \ \/ /
| |__| | |\ | |__| | | |__| | |_| | |> <
\_____|_| \_|\____/ \_____|\__,_|_/_/\_\
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_gpg_keyring
chk_init_sys
chk_sys_arch
_msg "${INF}system is ${ARCH_OS}"
umask 0022
tmp_path="$(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
sys_create_init_profile
_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."
# Required to source /etc/profile in desktop environments.
_msg "${INF}Please log out and back in to complete the installation."
}
main "$@"