mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-11-15 19:35:25 -05:00
443 lines
12 KiB
Bash
Executable file
443 lines
12 KiB
Bash
Executable file
#!/bin/sh
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# GNU Guix --- Functional package management for GNU
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# Copyright © 2017 sharlatan <sharlatanus@gmail.com>
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# Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
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# Copyright © 2018 Efraim Flashner <efraim@flashner.co.il>
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#
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# This file is part of GNU Guix.
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#
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# GNU Guix is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or (at
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# your option) any later version.
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#
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# GNU Guix is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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# We require Bash but for portability we'd rather not use /bin/bash or
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# /usr/bin/env in the shebang, hence this hack.
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if [ "x$BASH_VERSION" = "x" ]
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then
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exec bash "$0" "$@"
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fi
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set -e
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[ "$UID" -eq 0 ] || { echo "This script must be run as root."; exit 1; }
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REQUIRE=(
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"dirname"
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"readlink"
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"wget"
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"gpg"
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"grep"
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"which"
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"sed"
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"sort"
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"getent"
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"mktemp"
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"rm"
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"chmod"
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"uname"
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"groupadd"
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"tail"
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"tr"
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)
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PAS=$'[ \033[32;1mPASS\033[0m ] '
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ERR=$'[ \033[31;1mFAIL\033[0m ] '
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INF="[ INFO ] "
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DEBUG=0
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GNU_URL="https://ftp.gnu.org/gnu/guix/"
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OPENPGP_SIGNING_KEY_ID="3CE464558A84FDC69DB40CFB090B11993D9AEBB5"
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# This script needs to know where root's home directory is. However, we
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# cannot simply use the HOME environment variable, since there is no guarantee
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# that it points to root's home directory.
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ROOT_HOME="$(echo ~root)"
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# ------------------------------------------------------------------------------
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#+UTILITIES
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_err()
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{ # All errors go to stderr.
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printf "[%s]: %s\n" "$(date +%s.%3N)" "$1"
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}
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_msg()
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{ # Default message to stdout.
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printf "[%s]: %s\n" "$(date +%s.%3N)" "$1"
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}
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_debug()
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{
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if [ "${DEBUG}" = '1' ]; then
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printf "[%s]: %s\n" "$(date +%s.%3N)" "$1"
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fi
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}
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chk_require()
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{ # Check that every required command is available.
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declare -a cmds
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declare -a warn
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cmds=(${1})
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_debug "--- [ $FUNCNAME ] ---"
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for c in ${cmds[@]}; do
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command -v "$c" &>/dev/null || warn+=("$c")
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done
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[ "${#warn}" -ne 0 ] &&
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{ _err "${ERR}Missing commands: ${warn[*]}.";
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return 1; }
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_msg "${PAS}verification of required commands completed"
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gpg --list-keys ${OPENPGP_SIGNING_KEY_ID} >/dev/null 2>&1 || (
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_err "${ERR}Missing OpenPGP public key. Fetch it with this command:"
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echo " gpg --keyserver pool.sks-keyservers.net --recv-keys ${OPENPGP_SIGNING_KEY_ID}"
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exit 1
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)
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}
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chk_term()
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{ # Check for ANSI terminal for color printing.
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local ansi_term
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if [ -t 2 ]; then
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if [ "${TERM+set}" = 'set' ]; then
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case "$TERM" in
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xterm*|rxvt*|urxvt*|linux*|vt*|eterm*|screen*)
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ansi_term=true
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;;
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*)
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ansi_term=false
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ERR="[ FAIL ] "
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PAS="[ PASS ] "
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;;
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esac
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fi
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fi
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}
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chk_init_sys()
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{ # Return init system type name.
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if [[ $(/sbin/init --version 2>/dev/null) =~ upstart ]]; then
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_msg "${INF}init system is: upstart"
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INIT_SYS="upstart"
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return 0
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elif [[ $(systemctl) =~ -\.mount ]]; then
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_msg "${INF}init system is: systemd"
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INIT_SYS="systemd"
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return 0
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elif [[ -f /etc/init.d/cron && ! -h /etc/init.d/cron ]]; then
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_msg "${INF}init system is: sysv-init"
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INIT_SYS="sysv-init"
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return 0
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else
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INIT_SYS="NA"
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_err "${ERR}Init system could not be detected."
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fi
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}
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chk_sys_arch()
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{ # Check for operating system and architecture type.
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local os
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local arch
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os="$(uname -s)"
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arch="$(uname -m)"
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case "$arch" in
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i386 | i486 | i686 | i786 | x86)
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local arch=i686
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;;
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x86_64 | x86-64 | x64 | amd64)
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local arch=x86_64
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;;
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aarch64)
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local arch=aarch64
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;;
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armv7l)
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local arch=armhf
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;;
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*)
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_err "${ERR}Unsupported CPU type: ${arch}"
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exit 1
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esac
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case "$os" in
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Linux | linux)
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local os=linux
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;;
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*)
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_err "${ERR}Your operation system (${os}) is not supported."
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exit 1
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esac
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ARCH_OS="${arch}-${os}"
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}
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# ------------------------------------------------------------------------------
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#+MAIN
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guix_get_bin_list()
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{ # Scan GNU archive and save list of binaries
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local gnu_url="$1"
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local -a bin_ver_ls
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local latest_ver
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local default_ver
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_debug "--- [ $FUNCNAME ] ---"
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# Filter only version and architecture
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bin_ver_ls=("$(wget -qO- "$gnu_url" \
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| sed -n -e 's/.*guix-binary-\([0-9.]*\)\..*.tar.xz.*/\1/p' \
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| sort -Vu)")
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latest_ver="$(echo "$bin_ver_ls" \
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| grep -oP "([0-9]{1,2}\.){2}[0-9]{1,2}" \
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| tail -n1)"
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default_ver="guix-binary-${latest_ver}.${ARCH_OS}"
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if [[ "${#bin_ver_ls}" -ne "0" ]]; then
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_msg "${PAS}Release for your system: ${default_ver}"
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else
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_err "${ERR}Could not obtain list of Guix releases."
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exit 1
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fi
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# Use default to download according to the list and local ARCH_OS.
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BIN_VER="$default_ver"
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}
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guix_get_bin()
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{ # Download and verify binary package.
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local url="$1"
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local bin_ver="$2"
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local dl_path="$3"
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_debug "--- [ $FUNCNAME ] ---"
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_msg "${INF}Downloading Guix release archive"
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wget --help | grep -q '\--show-progress' && \
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_PROGRESS_OPT="-q --show-progress" || _PROGRESS_OPT=""
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wget $_PROGRESS_OPT -P "$dl_path" "${url}/${bin_ver}.tar.xz" "${url}/${bin_ver}.tar.xz.sig"
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if [[ "$?" -eq 0 ]]; then
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_msg "${PAS}download completed."
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else
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_err "${ERR}could not download ${url}/${bin_ver}.tar.xz."
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exit 1
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fi
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pushd $dl_path >/dev/null
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gpg --verify "${bin_ver}.tar.xz.sig" >/dev/null 2>&1
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if [[ "$?" -eq 0 ]]; then
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_msg "${PAS}Signature is valid."
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popd >/dev/null
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else
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_err "${ERR}could not verify the signature."
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exit 1
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fi
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}
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sys_create_store()
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{ # Unpack and install /gnu/store and /var/guix
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local pkg="$1"
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local tmp_path="$2"
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_debug "--- [ $FUNCNAME ] ---"
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cd "$tmp_path"
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tar --warning=no-timestamp \
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--extract \
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--file "$pkg" &&
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_msg "${PAS}unpacked archive"
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if [[ -e "/var/guix" || -e "/gnu" ]]; then
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_err "${ERR}A previous Guix installation was found. Refusing to overwrite."
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exit 1
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else
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_msg "${INF}Installing /var/guix and /gnu..."
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mv "${tmp_path}/var/guix" /var/
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mv "${tmp_path}/gnu" /
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fi
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_msg "${INF}Linking the root user's profile"
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mkdir -p "${ROOT_HOME}/.config/guix"
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ln -sf /var/guix/profiles/per-user/root/current-guix \
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"${ROOT_HOME}/.config/guix/current"
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GUIX_PROFILE="${ROOT_HOME}/.config/guix/current"
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source "${GUIX_PROFILE}/etc/profile"
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_msg "${PAS}activated root profile at ${ROOT_HOME}/.config/guix/current"
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}
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sys_create_build_user()
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{ # Create the group and user accounts for build users.
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_debug "--- [ $FUNCNAME ] ---"
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if [ $(getent group guixbuild) ]; then
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_msg "${INF}group guixbuild exists"
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else
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groupadd --system guixbuild
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_msg "${PAS}group <guixbuild> created"
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fi
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for i in $(seq -w 1 10); do
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if id "guixbuilder${i}" &>/dev/null; then
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_msg "${INF}user is already in the system, reset"
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usermod -g guixbuild -G guixbuild \
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-d /var/empty -s "$(which nologin)" \
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-c "Guix build user $i" \
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"guixbuilder${i}";
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else
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useradd -g guixbuild -G guixbuild \
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-d /var/empty -s "$(which nologin)" \
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-c "Guix build user $i" --system \
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"guixbuilder${i}";
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_msg "${PAS}user added <guixbuilder${i}>"
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fi
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done
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}
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sys_enable_guix_daemon()
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{ # Run the daemon, and set it to automatically start on boot.
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local info_path
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local local_bin
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local var_guix
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_debug "--- [ $FUNCNAME ] ---"
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info_path="/usr/local/share/info"
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local_bin="/usr/local/bin"
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var_guix="/var/guix/profiles/per-user/root/current-guix"
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case "$INIT_SYS" in
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upstart)
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{ initctl reload-configuration;
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cp "${ROOT_HOME}/.config/guix/current/lib/upstart/system/guix-daemon.conf" \
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/etc/init/ &&
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start guix-daemon; } &&
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_msg "${PAS}enabled Guix daemon via upstart"
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;;
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systemd)
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{ cp "${ROOT_HOME}/.config/guix/current/lib/systemd/system/guix-daemon.service" \
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/etc/systemd/system/;
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chmod 664 /etc/systemd/system/guix-daemon.service;
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systemctl daemon-reload &&
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systemctl start guix-daemon &&
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systemctl enable guix-daemon; } &&
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_msg "${PAS}enabled Guix daemon via systemd"
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;;
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NA|*)
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_msg "${ERR}unsupported init system; run the daemon manually:"
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echo " ${ROOT_HOME}/.config/guix/current/bin/guix-daemon --build-users-group=guixbuild"
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;;
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esac
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_msg "${INF}making the guix command available to other users"
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[ -e "$local_bin" ] || mkdir -p "$local_bin"
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ln -sf "${var_guix}/bin/guix" "$local_bin"
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[ -e "$info_path" ] || mkdir -p "$info_path"
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for i in ${var_guix}/share/info/*; do
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ln -sf "$i" "$info_path"
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done
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}
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sys_authorize_build_farms()
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{ # authorize the public keys of the two build farms
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while true; do
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read -p "Permit downloading pre-built package binaries from the project's build farms? (yes/no) " yn
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case $yn in
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[Yy]*) guix archive --authorize < "${ROOT_HOME}/.config/guix/current/share/guix/hydra.gnu.org.pub" &&
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_msg "${PAS}Authorized public key for hydra.gnu.org";
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guix archive --authorize < "${ROOT_HOME}/.config/guix/current/share/guix/ci.guix.gnu.org.pub" &&
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_msg "${PAS}Authorized public key for ci.guix.gnu.org";
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break;;
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[Nn]*) _msg "${INF}Skipped authorizing build farm public keys"
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break;;
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*) _msg "Please answer yes or no.";
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esac
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done
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}
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welcome()
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{
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cat<<"EOF"
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░░░ ░░░
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░░▒▒░░░░░░░░░ ░░░░░░░░░▒▒░░
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░░▒▒▒▒▒░░░░░░░ ░░░░░░░▒▒▒▒▒░
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░▒▒▒░░▒▒▒▒▒ ░░░░░░░▒▒░
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░▒▒▒▒░ ░░░░░░
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▒▒▒▒▒ ░░░░░░
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▒▒▒▒▒ ░░░░░
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░▒▒▒▒▒ ░░░░░
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▒▒▒▒▒ ░░░░░
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▒▒▒▒▒ ░░░░░
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░▒▒▒▒▒░░░░░
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▒▒▒▒▒▒░░░
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▒▒▒▒▒▒░
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_____ _ _ _ _ _____ _
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/ ____| \ | | | | | / ____| (_)
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| | __| \| | | | | | | __ _ _ ___ __
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| | |_ | . ' | | | | | | |_ | | | | \ \/ /
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| |__| | |\ | |__| | | |__| | |_| | |> <
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\_____|_| \_|\____/ \_____|\__,_|_/_/\_\
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This script installs GNU Guix on your system
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https://www.gnu.org/software/guix/
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EOF
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echo -n "Press return to continue..."
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read -r ANSWER
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}
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main()
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{
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local tmp_path
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welcome
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_msg "Starting installation ($(date))"
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chk_term
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chk_require "${REQUIRE[*]}"
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chk_init_sys
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chk_sys_arch
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_msg "${INF}system is ${ARCH_OS}"
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tmp_path="$(mktemp -t -d guix.XXX)"
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guix_get_bin_list "${GNU_URL}"
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guix_get_bin "${GNU_URL}" "${BIN_VER}" "$tmp_path"
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sys_create_store "${BIN_VER}.tar.xz" "${tmp_path}"
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sys_create_build_user
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sys_enable_guix_daemon
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sys_authorize_build_farms
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_msg "${INF}cleaning up ${tmp_path}"
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rm -r "${tmp_path}"
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_msg "${PAS}Guix has successfully been installed!"
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_msg "${INF}Run 'info guix' to read the manual."
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}
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main "$@"
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