chron order; posix compliance

larbs.sh

@@ -1,20 +1,16 @@
-#!/bin/bash
+#!/bin/sh
-
 # Luke's Auto Rice Boostrapping Script (LARBS)
 # by Luke Smith <luke@lukesmith.xyz>
 # License: GNU GPLv3
 
-# You can provide a custom repository with -r or a custom programs csv with -p.
-# Otherwise, the script will use my defaults.
-
 ### OPTIONS AND VARIABLES ###
 
 while getopts ":a:r:p:h" o; do case "${o}" in
-	h) echo -e "Optional arguments for custom use:\\n  -r: Dotfiles repository (local file or url)\\n  -p: Dependencies and programs csv (local file or url)\\n  -a: AUR helper (must have pacman-like syntax)\\n  -h: Show this message" && exit ;;
+	h) printf "Optional arguments for custom use:\\n  -r: Dotfiles repository (local file or url)\\n  -p: Dependencies and programs csv (local file or url)\\n  -a: AUR helper (must have pacman-like syntax)\\n  -h: Show this message\\n" && exit ;;
 	r) dotfilesrepo=${OPTARG} && git ls-remote "$dotfilesrepo" || exit ;;
 	p) progsfile=${OPTARG} ;;
 	a) aurhelper=${OPTARG} ;;
-	*) echo "-$OPTARG is not a valid option." && exit ;;
+	*) printf "Invalid option: -%s\\n" "$OPTARG" && exit ;;
 esac done
 
 # DEFAULTS:
@@ -26,30 +22,19 @@ esac done
 
 initialcheck() { pacman -Syyu --noconfirm --needed dialog || { echo "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? Are you sure your Arch keyring is updated?"; exit; } ;}
 
-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; }
-	}
-
 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
 	}
 
-refreshkeys() { \
-	dialog --infobox "Refreshing Arch Keyring..." 4 40
-	pacman --noconfirm -Sy archlinux-keyring >/dev/null 2>&1
-	}
-
 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 ! echo "$name" | grep "^[a-z_][a-z0-9_-]*$"; do
-	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
+	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)
@@ -60,6 +45,10 @@ usercheck() { \
 	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
 	}
 
+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; }
+	}
+
 adduserandpass() { \
 	# Adds user `$name` with password $pass1.
 	dialog --infobox "Adding user \"$name\"..." 4 50
@@ -68,6 +57,31 @@ adduserandpass() { \
 	echo "$name:$pass1" | chpasswd
 	unset pass1 pass2 ;}
 
+refreshkeys() { \
+	dialog --infobox "Refreshing Arch Keyring..." 4 40
+	pacman --noconfirm -Sy archlinux-keyring >/dev/null 2>&1
+	}
+
+newperms() { # Set special sudoers settings for install (or after).
+	sed -i "/#LARBS/d" /etc/sudoers
+	echo "$* #LARBS" >> /etc/sudoers ;}
+
+manualinstall() { # Installs $1 manually if not installed. Used only for AUR helper here.
+	[ -f "/usr/bin/$1" ] || (
+	dialog --infobox "Installing \"$1\", an AUR helper..." 4 50
+	cd /tmp || exit
+	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 2>&1 &&
+	cd "$1" &&
+	sudo -u "$name" makepkg --noconfirm -si >/dev/null 2>&1
+	cd /tmp || return) ;}
+
+maininstall() { # Installs all needed programs from main repo.
+	dialog --title "LARBS Installation" --infobox "Installing \`$1\` ($n of $total). $1 $2" 5 70
+	pacman --noconfirm --needed -S "$1" >/dev/null 2>&1
+	}
+
 gitmakeinstall() {
 	dir=$(mktemp -d)
 	dialog --title "LARBS Installation" --infobox "Installing \`$(basename "$1")\` ($n of $total) via \`git\` and \`make\`. $(basename "$1") $2" 5 70
@@ -77,14 +91,9 @@ gitmakeinstall() {
 	make install >/dev/null 2>&1
 	cd /tmp || return ;}
 
-maininstall() { # Installs all needed programs from main repo.
-	dialog --title "LARBS Installation" --infobox "Installing \`$1\` ($n of $total). $1 $2" 5 70
-	pacman --noconfirm --needed -S "$1" >/dev/null 2>&1
-	}
-
 aurinstall() { \
 	dialog --title "LARBS Installation" --infobox "Installing \`$1\` ($n of $total) from the AUR. $1 $2" 5 70
-	grep "^$1$" <<< "$aurinstalled" && return
+	echo "$aurinstalled" | grep "^$1$" >/dev/null 2>&1 && return
 	sudo -u "$name" $aurhelper -S --noconfirm "$1" >/dev/null 2>&1
 	}
 
@@ -94,7 +103,7 @@ installationloop() { \
 	aurinstalled=$(pacman -Qm | awk '{print $1}')
 	while IFS=, read -r tag program comment; do
 		n=$((n+1))
-	echo "$comment" | grep "^\".*\"$" >/dev/null && comment="$(echo "$comment" | sed "s/\(^\"\|\"$\)//g")"
+		echo "$comment" | grep "^\".*\"$" >/dev/null 2>&1 && comment="$(echo "$comment" | sed "s/\(^\"\|\"$\)//g")"
 		case "$tag" in
 			"") maininstall "$program" "$comment" ;;
 			"A") aurinstall "$program" "$comment" ;;
@@ -102,44 +111,29 @@ installationloop() { \
 		esac
 	done < /tmp/progs.csv ;}
 
+putgitrepo() { # Downlods a gitrepo $1 and places the files in $2 only overwriting conflicts
+	dialog --infobox "Downloading and installing config files..." 4 60
+	dir=$(mktemp -d)
+	chown -R "$name":wheel "$dir"
+	sudo -u "$name" git clone --depth 1 "$1" "$dir/gitrepo" >/dev/null 2>&1 &&
+	sudo -u "$name" mkdir -p "$2" &&
+	sudo -u "$name" cp -rT "$dir"/gitrepo "$2"
+	}
+
 serviceinit() { for service in "$@"; do
 	dialog --infobox "Enabling \"$service\"..." 4 40
 	systemctl enable "$service"
 	systemctl start "$service"
 	done ;}
 
-newperms() { # Set special sudoers settings for install (or after).
-	sed -i "/#LARBS/d" /etc/sudoers
-	echo -e "$@ #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 ;}
 
-putgitrepo() { # Downlods a gitrepo $1 and places the files in $2 only overwriting conflicts
-	dialog --infobox "Downloading and installing config files..." 4 60
-	dir=$(mktemp -d)
-	chown -R "$name":wheel "$dir"
-	sudo -u "$name" git clone --depth 1 "$1" "$dir"/gitrepo >/dev/null 2>&1 &&
-	sudo -u "$name" mkdir -p "$2" &&
-	sudo -u "$name" cp -rT "$dir"/gitrepo "$2"
-	}
-
 resetpulse() { dialog --infobox "Reseting Pulseaudio..." 4 50
 	killall pulseaudio
 	sudo -n "$name" pulseaudio --start ;}
 
-manualinstall() { # Installs $1 manually if not installed. Used only for AUR helper here.
-	[[ -f /usr/bin/$1 ]] || (
-	dialog --infobox "Installing \"$1\", an AUR helper..." 4 50
-	cd /tmp || exit
-	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 2>&1 &&
-	cd "$1" &&
-	sudo -u "$name" makepkg --noconfirm -si >/dev/null 2>&1
-	cd /tmp || return) ;}
-
 finalize(){ \
 	dialog --infobox "Preparing welcome message..." 4 50
 	echo "exec_always --no-startup-id notify-send -i ~/.scripts/pix/larbs.png '<b>Welcome to LARBS:</b> Press Super+F1 for the manual.' -t 10000"  >> "/home/$name/.config/i3/config"
@@ -199,7 +193,7 @@ putgitrepo "https://github.com/LukeSmithxyz/mozillarbs.git" "/home/$name/.mozill
 # Install vim `plugged` plugins.
 dialog --infobox "Installing vim plugins..." 4 50
 (sleep 30 && killall vim) &
-sudo -u "$name" vim -E -c "PlugUpdate|visual|q|q" >/dev/null
+sudo -u "$name" vim -E -c "PlugUpdate|visual|q|q" >/dev/null 2>&1
 
 # Enable services here.
 serviceinit NetworkManager cronie
@@ -209,7 +203,7 @@ systembeepoff
 
 # 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) ALL\\n%wheel ALL=(ALL) NOPASSWD: /usr/bin/shutdown,/usr/bin/reboot,/usr/bin/systemctl suspend,/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,/usr/bin/loadkeys,/usr/bin/yay,/usr/bin/pacman -Syyuw --noconfirm"
+newperms "%wheel ALL=(ALL) ALL #LARBS\\n%wheel ALL=(ALL) NOPASSWD: /usr/bin/shutdown,/usr/bin/reboot,/usr/bin/systemctl suspend,/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,/usr/bin/loadkeys,/usr/bin/yay,/usr/bin/pacman -Syyuw --noconfirm"
 
 # Make pacman and yay colorful because why not.
 sed -i "s/^#Color/Color/g" /etc/pacman.conf