larbs

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commit efbe3b743936e36f94b264fff77f376d105d400e
parent 552e06ee4ae7e536ad35f9ae77b5cbf1585b8f1d
Author: Luke Smith <luke@lukesmith.xyz>
Date:   Thu,  2 Aug 2018 19:23:18 -0400

larbs.sh rewrite w/ funcs; ample comments

Diffstat:
Mlarbs.sh | 280++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------------------
1 file changed, 191 insertions(+), 89 deletions(-)

diff --git a/larbs.sh b/larbs.sh @@ -3,137 +3,239 @@ # You can provide a custom repository with -r or a custom programs csv with -p. # Otherwise, the script will use my defaults. -while getopts ":r:p:h" o; do +### DEPENDENCIES: git, make and rsync. Make sure these are either in the progs.csv file or installed beforehand. + +### +### OPTIONS AND VARIABLES ### +### + +while getopts ":a:r:p:h" o; do case "${o}" in h) - echo -e "Optional arguments for custom use:\n-r: Dotfiles repository\n-p: Dependencies and programs csv" && exit ;; + echo -e "Optional arguments for custom use:\n-r: Dotfiles repository\n-p: Dependencies and programs csv (url)\n-a: AUR helper (must have pacman-like syntax)\n-h show this message" && exit ;; r) dotfilesrepo=${OPTARG} ;; p) progsfile=${OPTARG} ;; + a) + aurhelper=${OPTARG} ;; *) echo "-$OPTARG is not a valid option." && exit ;; esac done +# DEFAULTS: + [ -z ${dotfilesrepo+x} ] && dotfilesrepo="https://github.com/lukesmithxyz/voidrice.git" [ -z ${progsfile+x} ] && progsfile="https://raw.githubusercontent.com/LukeSmithxyz/LARBS/master/progs.csv" +[ -z ${aurhelper+x} ] && aurhelper="packer" -pacman -S --noconfirm --needed dialog || { echo "Error at script start: Are you sure you're running this as the root user? Are you sure you're using an Arch-based distro? ;-) Are you sure you have an internet connection?"; exit; } -dialog --title "Welcome!" --msgbox "Welcome to Luke's Auto-Rice Bootstrapping Script!\n\nThis script will automatically install a fully-featured i3wm Arch Linux desktop, which I use as my main machine.\n\n-Luke" 10 60 +### +### FUNCTIONS ### +### -name=$(dialog --no-cancel --inputbox "First, please enter a name for the user account." 10 60 3>&1 1>&2 2>&3 3>&1) +initialcheck() { pacman -S --noconfirm --needed dialog || { echo "Error at script start: Are you sure you're running this as the root user? Are you sure you're using an Arch-based distro? ;-) Are you sure you have an internet connection?"; exit; } ;} -re="^[a-z_][a-z0-9_-]*$" -while ! [[ "${name}" =~ ${re} ]]; do - name=$(dialog --no-cancel --inputbox "Username not valid. Give a username beginning with a letter, with only lowercase letters, - and _." 10 60 3>&1 1>&2 2>&3 3>&1) -done +preinstallmsg() { \ + dialog --title "Let's get this party started!" --yes-label "Let's go!" --no-label "No, nevermind!" --yesno "The rest of the installation will now be totally automated, so you can sit back and relax.\n\nIt will take some time, but when done, you can relax even more with your complete system.\n\nNow just press <Let's go!> and the system will begin installation!" 13 60 || { clear; exit; } + } -pass1=$(dialog --no-cancel --passwordbox "Enter a password for that user." 10 60 3>&1 1>&2 2>&3 3>&1) -pass2=$(dialog --no-cancel --passwordbox "Retype password." 10 60 3>&1 1>&2 2>&3 3>&1) +welcomemsg() { \ + dialog --title "Welcome!" --msgbox "Welcome to Luke's Auto-Rice Bootstrapping Script!\n\nThis script will automatically install a fully-featured i3wm Arch Linux desktop, which I use as my main machine.\n\n-Luke" 10 60 + } -while [ $pass1 != $pass2 ] -do - pass1=$(dialog --no-cancel --passwordbox "Passwords do not match.\n\nEnter password again." 10 60 3>&1 1>&2 2>&3 3>&1) - pass2=$(dialog --no-cancel --passwordbox "Retype password." 10 60 3>&1 1>&2 2>&3 3>&1) - unset pass2 -done +refreshkeys() { \ + dialog --infobox "Refreshing Arch Keyring..." 4 40 + pacman --noconfirm -Sy archlinux-keyring &>/dev/null + } -dialog --infobox "Adding user \"$name\"..." 4 50 -useradd -m -g wheel -s /bin/bash $name -echo "$name:$pass1" | chpasswd +getuserandpass() { \ + # Prompts user for new username an password. + # Checks if username is valid and confirms passwd. + name=$(dialog --inputbox "First, please enter a name for the user account." 10 60 3>&1 1>&2 2>&3 3>&1) || exit + namere="^[a-z_][a-z0-9_-]*$" + while ! [[ "${name}" =~ ${namere} ]]; do + name=$(dialog --no-cancel --inputbox "Username not valid. Give a username beginning with a letter, with only lowercase letters, - or _." 10 60 3>&1 1>&2 2>&3 3>&1) + done + pass1=$(dialog --no-cancel --passwordbox "Enter a password for that user." 10 60 3>&1 1>&2 2>&3 3>&1) + pass2=$(dialog --no-cancel --passwordbox "Retype password." 10 60 3>&1 1>&2 2>&3 3>&1) + while ! [[ ${pass1} == ${pass2} ]]; do + unset pass2 + pass1=$(dialog --no-cancel --passwordbox "Passwords do not match.\n\nEnter password again." 10 60 3>&1 1>&2 2>&3 3>&1) + pass2=$(dialog --no-cancel --passwordbox "Retype password." 10 60 3>&1 1>&2 2>&3 3>&1) + done ;} -dialog --title "Let's get this party started!" --msgbox "The rest of the installation will now be totally automated, so you can sit back and relax.\n\nIt will take some time, but when done, you can relax even more with your complete system.\n\nNow just press <OK> and the system will begin installation!" 13 60 || { clear; exit; } +usercheck() { \ + ! (id -u $name &>/dev/null) || + dialog --colors --title "WARNING!" --yes-label "CONTINUE" --no-label "No wait..." --yesno "The user \`$name\` already exists on this system. LARBS can install for a user already existing, but it will \Zboverwrite\Zn any conflicting settings/dotfiles on the user account.\n\nLARBS will \Zbnot\Zn overwrite your user files, documents, videos, etc., so don't worry about that, but only click <CONTINUE> if you don't mind your settings being overwritten.\n\nNote also that LARBS will change $name's password to the one you just gave." 14 70 + } -dialog --infobox "Refreshing Arch Keyring..." 4 40 -pacman --noconfirm -Sy archlinux-keyring &>/dev/null +adduserandpass() { \ + # Adds user `$name` with password $pass1. + dialog --infobox "Adding user \"$name\"..." 4 50 + useradd -m -g wheel -s /bin/bash $name || + usermod -a -G wheel $name + echo "$name:$pass1" | chpasswd + unset pass1 pass2 ;} -# Give packerwrapper a list of programs. Finds only those needing installation -# then, it sorts them into $mainqueue and $aurqueue for progs installable from -# main repo or AUR. -posprogs=$(pacman -Sl | awk '{print $2}') packerwrapper() { \ - for arg in "$@" - do - pacman -Q "$arg" &>/dev/null && continue - pacman -Qg "$arg" &>/dev/null && continue - grep "^$arg$" <<< $posprogs &>/dev/null && mainqueue="$mainqueue $arg" && continue - aurqueue="$aurqueue $arg" + # INPUT: a list of programs + # OUTPUT: put uninstalled progs in $mainqueue or $aurqueue depending on + # if they're in the main repos or the AUR. + posprogs=$(pacman -Sl | awk '{print $2}') + for arg in "$@"; do + pacman -Q "$arg" &>/dev/null && continue + pacman -Qg "$arg" &>/dev/null && continue + grep "^$arg$" <<< $posprogs &>/dev/null && mainqueue="$mainqueue $arg" && continue + aurqueue="$aurqueue $arg" done ;} -dialog --infobox "Getting program list..." 4 40 -packerwrapper $(curl -sL $progsfile | grep ^, | cut -d ',' -f2) +programinventory() { \ + dialog --infobox "Getting program list..." 4 40 + packerwrapper $(curl -sL $progsfile | grep ^, | cut -d ',' -f2) + } -count=$(echo "$mainqueue" | wc -w) +gitinstall() { for gitrepo in $@; do + dir=$(mktemp -d) + dialog --infobox "Installing \"$(basename $gitrepo)\" from source..." 4 40 + git clone --depth 1 "$gitrepo" $dir + cd $dir + make + make install + done ;} -for x in $mainqueue -do - n=$((n+1)) - dialog --title "LARBS Installation" --infobox "Downloading and installing program $n out of $count: $x...\n\nThe first programs will take more time due to dependencies." 8 70 - pacman --noconfirm --needed -S "$x" &>/dev/null -done +serviceinit() { for service in $@; do + dialog --infobox "Enabling \"$service\"..." 4 40 + systemctl enable "$service" + systemctl start "$service" + done ;} + +newperms() { # Set special sudoers settings for install (or after). + sed -e "/#LARBS/d" /etc/sudoers + echo "$@ #LARBS" >> /etc/sudoers ;} + +systembeepoff() { dialog --infobox "Getting rid of that retarded error beep sound..." 10 50 + rmmod pcspkr + echo "blacklist pcspkr" > /etc/modprobe.d/nobeep.conf ;} + +installdotfiles() { # Download $dotfilesrepo and install them in user's home. + # Downloading and installing dotfiles + dialog --infobox "Downloading and installing config files..." 4 60 + rm -rf /tmp/dotfiles/ + sudo -u $name git clone --depth 1 $dotfilesrepo /tmp/dotfiles &>/dev/null && + sudo -u $name rsync -rl /tmp/dotfiles/ /home/$name + } -sed -e "/#LARBS/d" /etc/sudoers -echo "%wheel ALL=(ALL) NOPASSWD: ALL #LARBS" >> /etc/sudoers +resetpulse() { dialog --infobox "Reseting Pulseaudio..." 4 50 + killall pulseaudio && + sudo -n $name pulseaudio --start ;} -[[ -f /usr/bin/packer ]] || ( - dialog --infobox "Installing \"packer\", an AUR helper..." 10 60 +manualinstall() { # Installs $1 manually if not installed. Used only for AUR helper here. + [[ -f /usr/bin/$1 ]] || ( + dialog --infobox "Installing \"$1\", an AUR helper..." 10 60 cd /tmp - rm -rf /tmp/packer* - curl -sO https://aur.archlinux.org/cgit/aur.git/snapshot/packer.tar.gz && - sudo -u $name tar -xvf packer.tar.gz &>/dev/null && - cd packer && + rm -rf /tmp/$1* + curl -sO https://aur.archlinux.org/cgit/aur.git/snapshot/$1.tar.gz && + sudo -u $name tar -xvf $1.tar.gz &>/dev/null && + cd $1 && sudo -u $name makepkg --noconfirm -si &>/dev/null cd /tmp) + } -count=$(echo "$aurqueue" | wc -w) +installmainprograms() { # Installs all needed programs from main repo. + count=$(echo "$mainqueue" | wc -w) + for x in $mainqueue; do + n=$((n+1)) + dialog --title "LARBS Installation" --infobox "Downloading and installing program $n out of $count: $x...\n\nThe first programs will take more time due to dependencies." 7 70 + pacman --noconfirm --needed -S "$x" &>/dev/null + done ;} -n=0 -for prog in $aurqueue -do - n=$((n+1)) - dialog --infobox "Downloading and installing program $n out of $count: $prog..." 10 60 - sudo -u $name packer -S --noconfirm "$prog" &>/dev/null -done +installaurprograms() { \ + count=$(echo "$aurqueue" | wc -w) + n=0 + for prog in $aurqueue; do + n=$((n+1)) + dialog --infobox "Downloading and installing program $n out of $count: $prog..." 10 60 + sudo -u $name $aurhelper -S --noconfirm "$prog" &>/dev/null + done ;} -# Downloading and installing dotfiles -dialog --infobox "Downloading and installing config files..." 4 60 -rm -rf /tmp/dotfiles/ -sudo -u $name git clone --depth 1 $dotfilesrepo /tmp/dotfiles &>/dev/null && - sudo -u $name rsync -rl /tmp/dotfiles/ /home/$name +finalize(){ \ + dialog --infobox "Preparing welcome message..." 4 50 + echo "exec_always --no-startup-id notify-send -i ~/.scripts/larbs.png '<b>Welcome to LARBS:</b> Press Super+F1 for the manual.' -t 10000" >> /home/$name/.config/i3/config + dialog --title "All done!" --msgbox "Congrats! Provided there were no hidden errors, the script completed successfully and all the programs and configuration files should be in place.\n\nTo run the new graphical environment, log out and log back in as your new user, then run the command \"startx\" to start the graphical environment.\n\n-Luke" 12 80 + } -dialog --infobox "Preparing welcome message..." 4 50 -echo "exec_always --no-startup-id notify-send -i ~/.scripts/larbs.png '<b>Welcome to LARBS:</b> Press Super+F1 for the manual.' -t 10000" >> /home/$name/.config/i3/config +### +### THE ACTUAL SCRIPT ### +### +### This is how everything happens in an intuitive format and order. +### -dialog --infobox "Reseting Pulseaudio..." 4 50 -killall pulseaudio -sudo -u $name pulseaudio --start +# NOTE: If you're deploying a system that doesn't require AUR packages, you +# don't need to include `installaurprograms` `manualinstall $aurhelper` +# (obviously), but also `getpermissions`. -# For installing programs via git. Give full url as argument -gitinstall() { \ - dir=$(mktemp -d) - dialog --infobox "Installing \"$(basename $1)\" from source..." 4 40 - git clone --depth 1 "$1" $dir - cd $dir - make - make install - } +# Check if user is root on Arch distro. Install dialog. +initialcheck + +# Welcome user. +welcomemsg || { clear; exit; } + +# Get and verify username and password. +getuserandpass + +# Give warning if user already exists. +usercheck || { clear; exit; } + +# Last chance for user to back out before install. +preinstallmsg || { clear; exit; } + +### The rest of the script requires no user input. + +adduserandpass + +# Refresh Arch keyrings. +refreshkeys + +# Checks progs and current programs to see what's needed. +programinventory + +# Must be run sometime after `programinventory`. +# This will usually be the longest command by a large margin. +installmainprograms + +# Allow user to run sudo without password. Since AUR programs must be installed +# in a fakeroot environment, this is required for all builds with AUR. +newperms "%wheel ALL=(ALL) NOPASSWD: ALL" + +# Install AUR helper. Needs sudo w/o passwd. +manualinstall $aurhelper + +# $aurhelper must be installed to run this. Needs sudo w/o passwd. +installaurprograms + +installdotfiles + +# Pulseaudio, if/when initially installed, often needs a restart to work immediately. +[[ -f /usr/bin/pulseaudio ]] && resetpulse -gitinstall https://github.com/lukesmithxyz/st.git &>/dev/null +# Must be run sometime after `userandpassword`. +# git and rsync must be installed. +gitinstall https://github.com/lukesmithxyz/st.git https://github.com/lukesmithxyz/dmenu.git -gitinstall https://github.com/lukesmithxyz/dmenu.git &>/dev/null +# Enable services here. +serviceinit NetworkManager cronie -dialog --infobox "Enabling Network Manager..." 4 40 -systemctl enable NetworkManager -systemctl start NetworkManager +# Most important command! Get rid of the beep! +systembeepoff -dialog --infobox "Getting rid of that retarded error beep sound..." 10 50 -rmmod pcspkr -echo "blacklist pcspkr" > /etc/modprobe.d/nobeep.conf +# Should only be run after `installaurprograms`. Not strictly necessary if you +# want the more permissive sudo settings set above. +# This line, overwriting the `newperms` command above will allow the user to run +# serveral important commands, `shutdown`, `reboot`, updating, etc. without a password. +newperms "%wheel ALL=(ALL) NOPASSWD: /usr/bin/shutdown,/usr/bin/reboot,/usr/bin/wifi-menu,/usr/bin/mount,/usr/bin/umount,/usr/bin/pacman -Syu,/usr/bin/pacman -Syyu,/usr/bin/packer -Syu,/usr/bin/packer -Syyu,/usr/bin/systemctl restart NetworkManager,/usr/bin/rc-service NetworkManager restart, /usr/bin/pacman -Syyu --noconfirm" -dialog --infobox "Updating sudoers file..." 4 40 -sed -e "/#LARBS/d" /etc/sudoers -echo "%wheel ALL=(ALL) NOPASSWD: /usr/bin/shutdown,/usr/bin/reboot,/usr/bin/wifi-menu,/usr/bin/mount,/usr/bin/umount,/usr/bin/pacman -Syu,/usr/bin/pacman -Syyu,/usr/bin/packer -Syu,/usr/bin/packer -Syyu,/usr/bin/systemctl restart NetworkManager,/usr/bin/rc-service NetworkManager restart, /usr/bin/pacman -Syyu --noconfirm #LARBS" >> /etc/sudoers +# Last message! Install complete! +finalize -dialog --title "All done!" --msgbox "Congrats! Provided there were no hidden errors, the script completed successfully and all the programs and configuration files should be in place.\n\nTo run the new graphical environment, log out and log back in as your new user, then run the command \"startx\" to start the graphical environment.\n\n-Luke" 12 80 clear