arch-desktop/install/etc/skel/.bash_profile

#!/bin/bash

# add local bin to path
export PATH=/usr/local/bin:$PATH

# explicitly set and append to XDG_DATA_DIRS
[ -z "$XDG_DATA_DIRS" ] && export XDG_DATA_DIRS="/usr/share:/usr/local/share"
export XDG_DATA_DIRS="$XDG_DATA_DIRS:$HOME/.local/share"

# set language, editor, augment history behavior, enable dynamic resize
export LANG=en_US.UTF-8
export LANGUAGE=en_US.UTF-8
export EDITOR=vim
export HISTFILE="$HOME/.bash_history"
export HISTCONTROL=ignoreboth:erasedups
shopt -s histappend
shopt -s checkwinsize
shopt -s direxpand

# fcitx IME support
export GTK_IM_MODULE=fcitx
export QT_IM_MODULE=fcitx
export XMODIFIERS=@im=fcitx

# specify wayland for applications (primarily games)
export MOZ_ENABLE_WAYLAND=1
export SDL_VIDEODRIVER="wayland,x11"
export XDG_CURRENT_DESKTOP=Unity
export WINE_FULLSCREEN_FSR=1
export RADV_PERFTEST=gpl

# if bashrc exists and the terminal has stdin load it
test -t 0 && . "$HOME/.bashrc"