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authorRicardo Wurmus <rekado@elephly.net>2018-01-28 22:14:23 +0100
committerRicardo Wurmus <rekado@elephly.net>2018-01-30 03:48:04 +0100
commit6f4e8693e7b0c5d830eafa8a69c3559390f13369 (patch)
treebf794bdac9a308e14a97a0bee85c24502ddc6e70 /etc
parent9766c6e28e24d0d904900671b0c345cc10f0ea7b (diff)
downloadguix-6f4e8693e7b0c5d830eafa8a69c3559390f13369.tar
guix-6f4e8693e7b0c5d830eafa8a69c3559390f13369.tar.gz
etc: Add installation script.
* etc/guix-install.sh: New file. * Makefile.am (EXTRA_DIST): Add it. * doc/guix.texi (Binary Installation): Mention it. Co-authored-by: sharlatan <sharlatanus@gmail.com>
Diffstat (limited to 'etc')
-rwxr-xr-xetc/guix-install.sh425
1 files changed, 425 insertions, 0 deletions
diff --git a/etc/guix-install.sh b/etc/guix-install.sh
new file mode 100755
index 0000000000..75cff68d8b
--- /dev/null
+++ b/etc/guix-install.sh
@@ -0,0 +1,425 @@
+#!/bin/bash
+# GNU Guix --- Functional package management for GNU
+# Copyright © 2017 sharlatan <sharlatanus@gmail.com>
+# Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
+#
+# 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=$'[ \033[31;1mFAIL\033[0m ] '
+INF="[ INFO ] "
+
+DEBUG=0
+GNU_URL="https://alpha.gnu.org/gnu/guix/"
+OPENPGP_SIGNING_KEY_ID="3CE464558A84FDC69DB40CFB090B11993D9AEBB5"
+
+# ------------------------------------------------------------------------------
+#+UTILITIES
+
+_err()
+{ # All errors go to stderr.
+ printf "[%s]: %s\n" "$(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
+ [ "$?" -eq "1" ] &&
+ warn+=("$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 "$arch" in
+ i386 | i486 | i686 | i786 | x86)
+ local arch=i686
+ ;;
+ x86_64 | x86-64 | x64 | amd64)
+ local arch=x86_64
+ ;;
+ *)
+ _err "${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 "${INF}Linking the root user's profile"
+ ln -sf /var/guix/profiles/per-user/root/guix-profile \
+ ~root/.guix-profile
+
+ GUIX_PROFILE="${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/.guix-profile/lib/upstart/system/guix-daemon.conf \
+ /etc/init/ &&
+ start guix-daemon; } &&
+ _msg "${PAS}enabled Guix daemon via upstart"
+ ;;
+ systemd)
+ { cp ~root/.guix-profile/lib/systemd/system/guix-daemon.service \
+ /etc/systemd/system/;
+ chmod 664 /etc/systemd/system/guix-daemon.service;
+ systemctl daemon-reload &&
+ systemctl start guix-daemon &&
+ systemctl enable guix-daemon; } &&
+ _msg "${PAS}enabled Guix daemon via systemd"
+ ;;
+ NA|*)
+ _msg "${ERR}unsupported init system; run the daemon manually:"
+ echo " ~root/.guix-profile/bin/guix-daemon --build-users-group=guixbuild"
+ ;;
+ esac
+
+ _msg "${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 $yn in
+ [Yy]*) guix archive --authorize < ~root/.guix-profile/share/guix/hydra.gnu.org.pub &&
+ _msg "${PAS}Authorized public key for hydra.gnu.org";
+ guix archive --authorize < ~root/.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 "$@"