Started making scripted installer for archlinux with explanation about every part of the process

.gitmodules

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+[submodule "DnD-Tools"]
+	path = DnD-Tools
+	url = GS:tristan/dnd-tools

bare-arch-install.sh

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+#!/usr/bin/bash
+
+
+# BEGIN: Variables
+
+HOSTNAME="ExampleHostname"
+BOOT_METHOD="EFI"
+DISK='/dev/sda'
+EFI_PARTITION=${DISK}1
+SWAP_PARTITION=${DISK}2
+ROOT_PARTITION=${DISK}3
+
+TIMEZONE_INFO=America/Chicago
+LOCALE=en_US.UTF-8
+
+## Commands to create disks un-interactively with fdisk
+## will clean up comments later with grep command
+FORMAT_DISK_COMMANDS="
+# Create GPT partition table
+g
+
+# Create efi partition
+n
+# Enter to select default partition number
+
+# Enter to select default first sector
+
+# Allocate only 500 MiB for the efi partition
++500MiB
+
+# Set partition type
+t
+# Set partition type to efi (1)
+1
+
+# Create Swap Partition
+n
+# Enter to select default partition number
+
+# Enter to select default first sector
+
+# Allocate 8 GiB to swap partition
++8GiB
+
+## Set partition type to Linux Swap (19)
+t
+### Enter to select default (last) partition (2)
+
+### Set Type to swap (19)
+19
+
+# Create root partition (doing single partition format)
+n
+# Enter to select default partition number
+
+# Enter to select default first sector
+
+# Press Enter to allocate remaining disk to your final partition
+
+# No need to set partition type
+# Write changes to disk
+w
+"
+
+
+
+# END: Variables
+
+
+# BEGIN: Work
+
+## BEGIN: Pre-Chroot Work
+### Format Disk
+#### For this example I will be using a sata disk (/dev/sda)
+COMMANDS="$(echo -e "$FORMAT_DISK_COMMANDS" | grep -v \#)"
+
+fdisk $DISK <<< "$COMMANDS"
+
+### Format EFI Partition
+#### The efi partition (mounted at /boot/efi) Needs to be formatted as fat32
+mkfs.fat -F32 $EFI_PARTITION
+
+### Format SWAP partition
+mkswap $SWAP_PARTITION
+### Activate swap partition
+swapon $SWAP_PARTITION
+
+### Format Root Partition
+#### We will be formatting it with ext4 because that's the default for most use-cases, especially when new linux users are concerned
+mkfs.ext4 $ROOT_PARTITION
+
+### Mounting the root partition to begin setting up the partitions where they need to be
+mount $ROOT_PARTITION /mnt
+### Calling the --mkdir flag for mount to create the necessary directories so that it can mount 
+mount $EFI_PARTITION --mkdir /mnt/boot/efi
+
+### Using pacstrap to install the necessities to be able to get a chroot env
+: "
+base:
+This is a meta-package. One that will handle installing many of the necessary programs to have a basic install of arch to chroot into
+
+
+linux:
+This is the actual kernel being installed. It will install the kernel & kernel-modules necessary to boot
+
+
+linux-headers:
+This is many other family of distros (Debian, RedHat, etc) would name linux-dev || linux-devel
+
+This is a package that contains all of the kernel's header files for compiling modules for your distrobutions kernel.
+
+
+linux-firmware:
+This is another meta package that contains just about all of the firmware drivers you system may need. It is just a dump of firmware, not all of them will be needed for your system.
+
+sudo:
+A program needed for privelege escalation. Basically to provide a user of an admin group (most often wheel in most distrobutions) to be able to execute binaries that require root level permissions in you system.
+
+Installing it here because it is not installed by default. An alternative is doas, a utility to perform the same funciton.
+"
+pacstrap /mnt base linux linux-headers linux-firmware sudo
+
+INSTALL_SYSTEM="
+# Updating the package manager cache
+pacman -Syy 
+
+# Setting the hostname of your machine
+echo '$HOSTNAME' > /etc/hostname
+
+# Setting timezone of the machine 
+ln -sf /usr/share/zoneinfo/$TIMEZONE_INFO /etc/localtime
+"
+
+
+# END: Work

install-discord-linux.sh

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+#!/usr/bin/bash
+
+# BEGIN: Variables
+
+ACTION=""
+DOWNLOAD_URL='https://discord.com/api/download/stable?platform=linux&format=tar.gz'
+VERSION_REGEX='[0-9]+\.[0-9]+\.[0-9]+'
+INSTALL_DIR=~/Downloads
+EXISTING_INSTALL=$INSTALL_DIR/Discord
+BUILD_FILE=$EXISTING_INSTALL/resources/build_info.json
+PACKAGE_DOWNLOAD_URL_BASE='https://dl.discordapp.net/apps/linux/{VERSION}/discord-{VERSION}.tar.gz'
+ICON_DIR=~/.icons
+
+# END: Variables
+
+
+# BEGIN: Helper Functions
+
+function get_remote_version(){
+	local REMOTE_VERSION=`curl $DOWNLOAD_URL | grep -Eo $VERSION_REGEX | head -n 1`
+
+	if [[ "$REMOTE_VERSION" ]]; then
+		echo "$REMOTE_VERSION"
+		return 0
+	else
+		echo "error: remote version not found"
+		return 1
+	fi
+}
+
+function do_download(){
+	local VERSION="${1:?"do_download : Version was not provided"}"
+
+	## If the provided version doesn't match the format #.#.#
+	if [[ ! "$VERSION" =~ ^$VERSION_REGEX$ ]]; then
+		echo "do_download : the version ($VERSION) provided, does not match format $VERSION_REGEX."
+		exit 2
+	fi
+
+	## Making the URL to download the package
+	### replacing all {VERSION} in PACKAGE_DOWNLOAD_URL_BASE with $REMOTE_VERSION using string substitution
+	PACKAGE_DOWNLOAD_URL="${PACKAGE_DOWNLOAD_URL_BASE//\{VERSION\}/$REMOTE_VERSION}"
+
+	## Getting filename from url
+	### Removing all characters from the last / back to leave only the filename
+	FILENAME="${PACKAGE_DOWNLOAD_URL/*\/}"
+
+	## Downloading the discord package (tar.gz)
+	curl "$PACKAGE_DOWNLOAD_URL" -o "$FILENAME" >/dev/null 
+}
+
+function update_desktop_file() {
+
+	## Desktop file in the current/new install
+	DESKTOP_FILE=$EXISTING_INSTALL/discord.desktop
+
+	## Escaped becuase it would mess up the replacement syntax
+	PATH_TO_REPLACE=\/usr\/bin
+	PATH_REPLACEMENT=$EXISTING_INSTALL
+
+	## Escaped becuase it would mess up the replacement syntax
+	EXEC_TO_REPLACE=\/usr\/share\/discord\/Discord
+	EXEC_REPLACEMENT=$EXISTING_INSTALL\/Discord
+
+	## Loading the desktop file contents into a variable to use replacement without sed
+	DESKTOP_FILE_CONTENTS="$(<$DESKTOP_FILE)"
+
+	## Replacing Path
+	DESKTOP_FILE_CONTENTS="${DESKTOP_FILE_CONTENTS/$PATH_TO_REPLACE/$PATH_REPLACEMENT}"
+	## Replacing Exec
+	DESKTOP_FILE_CONTENTS="${DESKTOP_FILE_CONTENTS/$EXEC_TO_REPLACE/$EXEC_REPLACEMENT}"
+
+	## Pushing replacement values to desktop file
+	echo -e "$DESKTOP_FILE_CONTENTS" > $DESKTOP_FILE
+
+}
+
+function do_install() {
+
+	cd "$INSTALL_DIR"
+
+	REMOTE_VERSION=`get_remote_version`
+	do_download "$REMOTE_VERSION"
+
+	## Error handling in case curl couldn't do the download (or error in script)
+	if [[ -f $FILENAME ]]; then
+		tar xf "$FILENAME"
+	else
+		echo "$FILENAME failed to download. Exiting now"
+		exit 1
+	fi
+
+	update_desktop_file
+
+	## If your icon dir (configured above) exists in the env variable
+	if [[ "$XDG_DATA_DIRS" != *$ICON_DIR* ]]; then
+		export XDG_DATA_DIRS=$XDG_DATA_DIRS:$ICON_DIR
+		if [[ $SHELL == *bash ]]; then
+			echo 'export XDG_DATA_DIRS=$XDG_DATA_DIRS':$ICON_DIR > ~/.bashrc
+		else 
+			echo 'export XDG_DATA_DIRS=$XDG_DATA_DIRS':$ICON_DIR > ~/.profile
+
+		fi
+	fi
+
+	[[ ! -d $ICON_DIR ]] && mkdir -p $ICON_DIR
+	cp $EXISTING_INSTALL/discord.png $ICON_DIR/
+	desktop-file-isntall $DESKTOP_FILE
+}
+
+function do_upgrade(){
+	cd "$INSTALL_DIR"
+
+	REMOTE_VERSION=`get_remote_version`
+	do_download "$REMOTE_VERSION"
+
+	## FILENAME provided by do_download
+	FILENAME="${FILENAME:?"do_upgrade : FILENAME not set by do_download"}"
+
+	tar xf "$FILENAME"
+
+	update_desktop_file
+}
+
+# END: Helper Functions
+
+
+
+# BEGIN: Pre-Work Check
+
+if [[ -d $EXISTING_INSTALL ]] && [[ -f $BUILD_FILE ]]; then
+	LOCAL_VERSION=`grep -Eo $VERSION_REGEX $BUILD_FILE`
+else
+	ACTION=INSTALL
+fi
+
+REMOTE_VERSION=`curl $DOWNLOAD_URL | grep -Eo $VERSION_REGEX | head -n 1`
+
+# END: Pre-Work Check
+
+
+
+
+# BEGIN: Work
+
+
+## If ACTION hasn't already been set
+if [[ ! $ACTION ]]; then
+
+	## Use read to get version numbers in arrays
+	OIFS=$IFS
+	IFS='.'
+	read -a local_versions  <<< "$LOCAL_VERSION"
+	read -a remote_versions <<< "$REMOTE_VERSION"
+	IFS=$OIFS
+
+	## Check if the remote version is greater than the local
+	for (( i=0; i<3; i++)); do
+		## If at any point the remote version is greater than the local this will break and set NEEDS_UPGRADE flag
+		if [[ ${local_versions[$i]} -lt ${remote_versions[$i]} ]]; then
+			ACTION=UPGRADE
+			break
+		fi
+	done
+fi
+
+case $ACTION in
+	INSTALL)
+		do_install
+		;;
+
+	UPGRADE)
+		do_upgrade
+		;;
+esac
+
+
+# END: Work