553 lines
11 KiB
Bash
Executable File
553 lines
11 KiB
Bash
Executable File
#!/bin/bash
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set -e
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qpushd() {
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pushd $@ > /dev/null
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}
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qpopd() {
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popd $@ > /dev/null
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}
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quiet() {
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local DUMMY
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set +e
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DUMMY=$($@ 2>&1 > /dev/null)
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if [ $? -ne 0 ]; then
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echo "$DUMMY"
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set -e
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return 1
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fi
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set -e
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}
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### URLs ###
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DOTFILES="https://github.com/augustogunsch/dotfiles"
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PACKAGES_URL="https://raw.githubusercontent.com/augustogunsch/install-arch/master/packages.csv"
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### COLORS ###
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RED='\033[0;31m'
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LGREEN='\033[1;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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BOLD=$(tput bold)
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NORM=$(tput sgr0)
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readonly RED
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readonly LGREEN
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readonly YELLOW
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readonly NC
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readonly BOLD
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readonly NORM
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### VARS ###
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CUR_PHASE=1
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MAX_PHASE=2
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USER_OUT=""
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### DISTRO ###
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PACMAN_CONF="/etc/pacman.conf"
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PACMAN_TEMP_CONF="/tmp/pacman.conf"
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DOAS_CONF="/etc/doas.conf"
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DISTRO=$(sed -nE 's/^ID=(.*)/\1/p' < /etc/os-release)
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INIT_SYS=$(basename $(readlink /bin/init))
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DEFAULT_INCLUDE='/etc/pacman.d/mirrorlist'
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if [ "$DISTRO" != "arch" -a "$DISTRO" != "artix" ]; then
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echo "Error: $DISTRO not supported"
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usage
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fi
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readonly PACMAN_CONF
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readonly PACMAN_TEMP_CONF
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readonly DOAS_CONF
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readonly DISTRO
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readonly DEFAULT_INCLUDE
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### OPTIONS AND PARAMETERS ###
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usage() {
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printf "Usage: $0 [-nhv] (-p | [-d] -u <user>)\n -p: Install packages only\n -d: Install dotfiles only\n -h: Display this message\n -n: Non-interactive mode\n -v: Verbose output\n -u <user>: User that the dotfiles should be installed to\n"
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exit 2
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}
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set_var()
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{
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local varname=$1
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shift
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if [ -z "${!varname}" ]; then
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eval "$varname=\"$1\""
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else
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echo "Error: $2 already set"
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usage
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fi
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}
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exclusive()
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{
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echo "Error: $1 exclusive with $2"
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usage
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}
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while getopts ":nvhdpu:" c; do
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case $c in
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d)
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[ "$INSTALL" = "PACKAGES" ] && exclusive '-p' '-d'
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MAX_PHASE=$((MAX_PHASE-1))
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set_var INSTALL DOTFILES "-d" ;;
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p)
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[ "$INSTALL" = "DOTFILES" ] && exclusive '-p' '-d'
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[ -n "$INSTALL_USER" ] && exclusive '-p' '<user>'
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MAX_PHASE=$((MAX_PHASE-1))
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set_var INSTALL PACKAGES "-p" ;;
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u)
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[ "$INSTALL" = "PACKAGES" ] && exclusive '-p' '<user>'
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set_var INSTALL_USER $OPTARG "-u" ;;
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n) NO_CONFIRM=true ;;
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v) VERBOSE=true ;;
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h) usage ;;
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?) echo "Unknown option -$OPTARG"; usage ;;
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esac
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done
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INSTALL=${INSTALL:-ALL}
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shift $((OPTIND-1))
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### VALIDATE USER ###
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[ -z "$INSTALL_USER" ] && [ "$INSTALL" != "PACKAGES" ] && echo "Error: <user> required" && usage
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check_user() {
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HOME_DIR="$(awk -F: '$1 ~ /^'$1'$/ {print $6}' /etc/passwd)"
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[ -z "$HOME_DIR" ] && echo "Error: User $1 does not exist" && return 1
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return 0
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}
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if [ -n "$INSTALL_USER" ]; then
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set +e
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check_user "$INSTALL_USER"
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[ $? -eq 1 ] && exit 2
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set -e
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fi
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prompt_user() {
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echo -n "Please type user for whom $1 (leave blank to use same user as with dotfiles or to skip step): "
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local user
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read user
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[ -z "$user" ] && USER_OUT="$INSTALL_USER" && return
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set +e
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USER_OUT="$user"
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check_user "$user"
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[ $? -eq 1 ] && prompt_user "$1"
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set -e
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}
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### FORCE ROOT ###
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[ $(whoami) != "root" ] && echo "Please run as root" && exit 1
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### ASK FOR CONFIRMATION ###
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if [ ! $NO_CONFIRM ]; then
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echo "${BOLD}Please confirm operation:${NORM}"
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echo -ne "Installing ${LGREEN}${INSTALL@L}${NC}"
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[ -n "$INSTALL_USER" ] && echo -ne " for ${LGREEN}$INSTALL_USER ($HOME_DIR)${NC}"
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printf "\n"
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echo -n "Proceed with installation? [y/N] "
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read ans
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case $ans in
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y|Y) break ;;
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*) exit 0 ;;
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esac
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fi
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### INSTALLATION ###
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[ $VERBOSE ] && set -x
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print_phase() {
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echo -e "${BOLD}${YELLOW}[$CUR_PHASE/$MAX_PHASE] $1 phase${NC}${NORM}"
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CUR_PHASE=$((CUR_PHASE+1))
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}
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install_aur() {
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[ -z "$INSTALL_USER" ] && return 0
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if [ -z "$2" ]; then
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echo -n "Installing ${LGREEN}$1${NC} from AUR..."
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else
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echo -n "Installing ${LGREEN}$1${NC} from AUR ($2)..."
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fi
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local dir="$HOME_DIR/$1"
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quiet sudo -u "$INSTALL_USER" git clone -q "https://aur.archlinux.org/$1.git" "$dir"
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qpushd "$dir"
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quiet sudo -u "$INSTALL_USER" makepkg -si --noconfirm
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qpopd
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rm -rf "$dir"
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echo "done"
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}
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remove() {
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echo -n "Removing $1..."
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set +e
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quiet pacman -Rs --noconfirm $1
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set -e
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echo "done"
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}
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install() {
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if [ -z "$2" ]; then
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echo -n "Installing ${LGREEN}$1${NC}..."
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else
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echo -n "Installing ${LGREEN}$1${NC} ($2)..."
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fi
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set +e
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quiet pacman -Sq --needed --noconfirm $1
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if [ $? -ne 0 ]; then
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set -e
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quiet pacman -Sy
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quiet pacman -Sq --needed --noconfirm $1
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fi
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set -e
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echo "done"
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}
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prompt() {
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echo -n "$1 [Y/n] "
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[ $NO_CONFIRM ] && echo "y" && return 1
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read ans
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case $ans in
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n|N) return 0 ;;
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*) return 1 ;;
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esac
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}
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pacman_config() {
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local LABEL=$1
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local OPTION=$2
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local VALUE=$3
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local APPEND=${4:-0} #int
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local LOW_PRIORITY=${5:-0} #int
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local VALUE_ESCAPE=$(echo $VALUE | sed 's|/|\\/|g')
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# 1st script
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# if(there is [LABEL] uncommented):
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# if(there is OPTION uncommented):
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# if(VALUE != CURRENT_VALUE):
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# if(APPEND):
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# append(VALUE);
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# else:
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# substitute(CURRENT_VALUE,VALUE);
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# 2nd script
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# else if(there is OPTION = VALUE commented):
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# uncomment(OPTION = VALUE);
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# 3rd script
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# else if(there is [LABEL] commented):
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# uncomment(LABEL);
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# if(there is OPTION = VALUE commented):
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# uncomment(OPTION = VALUE);
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# else:
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# append(OPTION = VALUE);
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# 4th script
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# else:
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# append([LABEL]);
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# append(OPTION = VALUE);
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set +e
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awk '
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BEGIN { todo = 1 }
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{ if ($0 ~ /^\['$LABEL'\][[:blank:]]*$/) {
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print $0
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while(1) {
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hasline = getline
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if (!hasline || $0 ~ /^\[.*\][[:blank:]]*$/) {
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break
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}
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else if ($0 ~ /^'$OPTION'[[:blank:]]+=.*/) {
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todo = 0
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if ($0 !~ /[[:blank:]]'$VALUE_ESCAPE'/) {
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if('$APPEND') {$(NF+1) = "'$VALUE'"}
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else {$3 = "'$VALUE'"; NF = 3}
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}
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print $0
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break
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}
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print $0
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}
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} else {
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print $0
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} }
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END { exit todo } ' \
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$PACMAN_CONF > $PACMAN_TEMP_CONF
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if [ $? -eq 1 ]; then
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awk '
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BEGIN { todo = 1 }
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{ if ($0 ~ /^\['$LABEL'\][[:blank:]]*$/) {
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print $0
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while(1) {
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hasline = getline
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if (!hasline || $0 ~ /^\[.*\][[:blank:]]*$/) {
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break
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}
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if ($0 ~ /^#?'$OPTION'[[:blank:]]+=.*[[:blank:]]'$VALUE_ESCAPE'/) {
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todo = 0
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$1 = "'$OPTION'"
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print $0
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break
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}
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print $0
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}
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} else {
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print $0
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} }
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END { exit todo } ' \
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$PACMAN_CONF > $PACMAN_TEMP_CONF
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if [ $? -eq 1 ]; then
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awk '
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BEGIN { todo = 1 }
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{ if ($0 ~ /^#?\['$LABEL'\][[:blank:]]*$/) {
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todo = 0
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print "['$LABEL']"
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while(1) {
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hasline = getline
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if (!hasline || $0 ~ /^\[.*\][[:blank:]]*$/) {
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print "'$OPTION' = '$VALUE'"
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print ""
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print $0
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break
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}
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if ($0 ~ /^#?'$OPTION'[[:blank:]]+=.*[[:blank:]]'$VALUE_ESCAPE'/) {
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$1 = "'$OPTION'"
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print $0
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break
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}
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print $0
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}
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} else {
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print $0
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} }
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END { exit todo } ' \
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$PACMAN_CONF > $PACMAN_TEMP_CONF
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if [ $? -eq 1 ]; then
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if [ $LOW_PRIORITY -eq 1 ]; then
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cat $PACMAN_CONF > $PACMAN_TEMP_CONF
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echo "" >> $PACMAN_TEMP_CONF
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echo "[$LABEL]" >> $PACMAN_TEMP_CONF
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echo "$OPTION = $VALUE" >> $PACMAN_TEMP_CONF
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else
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awk '
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BEGIN { todo = 1 }
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{
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if (todo && $0 ~ /^#?\[.*\][[:blank:]]*$/) {
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print "['$LABEL']"
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print "'$OPTION' = '$VALUE'"
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print ""
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todo = 0
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}
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print $0
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}
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END {
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if (todo) {
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print ""
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print "['$LABEL']"
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print "'$OPTION' = '$VALUE'"
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}
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} ' \
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$PACMAN_CONF > $PACMAN_TEMP_CONF
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fi
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fi
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fi
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fi
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mv $PACMAN_TEMP_CONF $PACMAN_CONF
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set -e
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}
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pacman_opt() {
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local CONFIG=$1
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local VALUE=$2
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echo -n "Adding $VALUE to $CONFIG [options] ($PACMAN_CONF)..."
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pacman_config options $CONFIG $VALUE 1 0
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echo "done"
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}
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pacman_repo() {
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local REPO=$1
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local INCLUDE=${2:-$DEFAULT_INCLUDE}
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echo -n "Enabling repository [$REPO] ($PACMAN_CONF)..."
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pacman_config $REPO "Include" $INCLUDE 0 1
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echo "done"
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}
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link() {
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echo -n "Linking $2 to $1... "
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ln -sf $1 $2
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echo "done"
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}
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append_line() {
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local FILE=$1
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local LINE=$2
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local LINE_BLANKS="$(echo "$LINE" | sed 's/ /[[:blank:]]+/g')[[:blank:]]*"
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set +e
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awk ' $0 ~ /^'$LINE_BLANKS'$/ { exit 1 } ' "$FILE" > /dev/null
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[ $? -eq 0 ] && echo "$LINE" >> "$FILE"
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set -e
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}
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configure_doas() {
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remove sudo
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pacman_opt IgnorePkg sudo
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pacman_opt NoUpgrade bin/sudo
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link /bin/doas /bin/sudo
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echo "Configuring doas..."
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prompt_user 'doas will be configured'
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local DOAS_USER="$USER_OUT"
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if [ -n "$DOAS_USER" ]; then
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append_line $DOAS_CONF "permit persist $DOAS_USER as root"
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append_line $DOAS_CONF "permit nopass $DOAS_USER as root cmd pacman args -Syu"
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append_line $DOAS_CONF "permit nopass $DOAS_USER as root cmd pacman args -Syyu"
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fi
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}
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install_dash() {
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install dash "Lightweight POSIX shell"
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pacman_opt NoUpgrade bin/sh
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link /bin/dash /bin/sh
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}
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repos() {
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echo "Detected distro $DISTRO Linux. Proceeding with enabling more repositories."
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if [ "$DISTRO" = "artix" ]; then
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pacman_repo lib32
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local ARCH_REPOS="$DEFAULT_INCLUDE-arch"
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quiet pacman -Sy
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install archlinux-mirrorlist
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pacman_repo extra $ARCH_REPOS
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pacman_repo community $ARCH_REPOS
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pacman_repo multilib $ARCH_REPOS
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else
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pacman_repo multilib
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fi
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echo -n "Downloading package database..."
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quiet pacman -Sy
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echo "done"
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install archlinux-keyring
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echo -n "Configuring pacman keyring..."
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quiet pacman-key --init
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quiet pacman-key --populate archlinux
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echo "done"
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}
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# pwd must be the home dir of the user
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configure_vim_for() {
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echo -n "Downloading vim-plug for $1..."
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quiet sudo -u "$1" curl -sfLo .vim/autoload/plug.vim --create-dirs \
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https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
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echo "done"
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echo -n "Installing vim plugins for $1..."
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quiet sudo -u "$1" vim -E -c PlugInstall -c qall
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echo "done"
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}
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# pwd must be the home dir of the user
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install_dotfiles_for() {
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echo -n "Downloading dotfiles for $1 (~/dotfiles)..."
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quiet sudo -u "$1" git clone "$DOTFILES" ./dotfiles
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echo "done"
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echo -n "Linking dotfiles..."
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qpushd "./dotfiles"
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quiet sudo -u "$1" ./install.sh
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echo "done"
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qpopd
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}
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install_dotfiles() {
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[ "$INSTAL" = "PACKAGES" ] && return 0
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print_phase "Dotfile installation"
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install git
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qpushd "$HOME_DIR"
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install_dotfiles_for "$INSTALL_USER"
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configure_vim_for "$INSTALL_USER"
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qpopd
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qpushd "$HOME"
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install_dotfiles_for "root"
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configure_vim_for "root"
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qpopd
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change_shells
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}
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install_src() {
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# source code is stored in /root/builds
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qpushd "$HOME"
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local PKG_NAME="$(basename "$1")"
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if [ -z "$2" ]; then
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echo -n "Installing ${LGREEN}$PKG_NAME${NC} from source..."
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else
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echo -n "Installing ${LGREEN}$PKG_NAME${NC} from source ($2)..."
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fi
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quiet git clone -q "$1"
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qpushd "$PKG_NAME"
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make
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make install
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qpopd
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qpopd
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echo "done"
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}
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install_loop() {
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[ -f "packages.csv" ] || curl -sL "$PACKAGES_URL" -o "packages.csv"
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while IFS=, read -r method package description; do
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case "$method" in
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"PAC") install "$package" "$description";;
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"AUR") install_aur "$package" "$description";;
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"SRC") install_src "$package" "$description";;
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"FUN") $package ;;
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esac
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done < packages.csv
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}
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install_packages() {
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[ "$INSTALL" = "DOTFILES" ] && return 0
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print_phase "Package installation"
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echo -n "Upgrading system..."
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quiet pacman -Sqyu --noconfirm
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echo "done"
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install sudo
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install git "Version control system"
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install_loop
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}
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change_shells() {
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echo -n "Configuring zsh..."
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chsh -s /bin/zsh "root"
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chsh -s /bin/zsh "$INSTALL_USER"
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sed 's/^export PROMPT=.*/export PROMPT='"'"'%B%F{166}[%F{172}%n@%m %F{white}%~%F{166}]$%b%f '"'"'/' < "$HOME/.zshrc" > /tmp/zshrc
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mv /tmp/zshrc "$HOME/.zshrc"
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echo "done"
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}
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main() {
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repos
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install_packages
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install_dotfiles
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configure_doas
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}
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main
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