Profile environment

Profile

Try to keep the $HOME directory as clean as possible.

Inspired from https://wiki.archlinux.org/index.php/XDG_Base_Directory

Define XDG Home dirs

Make sure the XDG_ variables are set: 

export XDG_DATA_HOME="$HOME/.local/share"
export XDG_CONFIG_HOME="$HOME/.config"
export XDG_CACHE_HOME="$HOME/.cache"

Extend $PATH

export PATH="$HOME/.local/bin":$PATH

Default tools

Editor

Emacs is the $EDITOR. 

export EDITOR="emacsclient"

Terminal

Set the preferred terminal emulator. See man 1 i3-sensible-terminal. 

export TERMINAL=/usr/bin/alacritty

Tools

Ack

export ACKRC="$XDG_CONFIG_HOME/ack/ackrc"

Docker

export DOCKER_CONFIG="$XDG_CONFIG_HOME/docker"
export MACHINE_STORAGE_PATH="$XDG_DATA_HOME/docker-machine"

Golang

export GOPATH="$XDG_DATA_HOME/go"

And add it to the PATH. 

export PATH=$GOPATH/bin:$PATH

Rust

export CARGO_HOME="$XDG_DATA_HOME/cargo"

Yarn

Add Yarn bin dir to PATH. 

command -v yarn > /dev/null && export PATH=$(yarn global bin):$PATH

GnuPG

export GNUPGHOME="$XDG_DATA_HOME/gnupg"

IRB   ruby

export IRBRC="$XDG_CONFIG_HOME/irb/irbrc"

Gem   ruby

export GEM_HOME="$XDG_DATA_HOME/gem"
export GEM_SPEC_CACHE="$XDG_CACHE_HOME/gem"

Bundler   ruby

export BUNDLE_USER_CONFIG="$XDG_CONFIG_HOME/bundle"
export BUNDLE_USER_CACHE="$XDG_CACHE_HOME/bundle"
export BUNDLE_USER_PLUGIN="$XDG_DATA_HOME/bundle"

Less

export LESSKEY="$XDG_CONFIG_HOME/less/lesskey"
export LESSHISTFILE="$XDG_CACHE_HOME/less/history"

Vim

export VIMINIT="set viminfo+='1000,n$XDG_DATA_HOME/vim/viminfo'"

Units

alias units='units --history=$XDG_CACHE_HOME/units/history'

PostgreSQL

export PSQLRC="$XDG_CONFIG_HOME/pg/psqlrc"
export PSQL_HISTORY="$XDG_CACHE_HOME/pg/psql_history"
export PGPASSFILE="$XDG_CONFIG_HOME/pg/pgpass"
#export PGSERVICEFILE="$XDG_CONFIG_HOME/pg/pg_service.conf"

Asdf

asdf is used by the gitlab-development-kit. 

export ASDF_CONFIG_FILE="$XDG_CONFIG_HOME/asdf/asdfrc"
export ASDF_DATA_DIR="$XDG_DATA_HOME/asdf"

Lolcommits

Tell lolcommits which device to use: HD Pro Webcam C920.

Check which devices are available with: 

v4l2-ctl --list-devices

export LOLCOMMITS_DEVICE=$(v4l2-ctl --list-devices | grep -A1 C920 | tail -n1 | tr -d "\s\t")

Qt & KDE

Make sure the icons are shown: 

[ "$XDG_CURRENT_DESKTOP" = "KDE" ] || [ "$XDG_CURRENT_DESKTOP" = "GNOME" ] || export QT_QPA_PLATFORMTHEME="qt5ct"

And that they are not too big: 

#export XDG_CURRENT_DESKTOP=KDE
export KDE_SESSION_VERSION=5
export QT_AUTO_SCREEN_SCALE_FACTOR=0
export QT_FONT_DPI=120

Wayland

From: https://github.com/swaywm/sway/issues/5008#issuecomment-665972776 

# this may fix external monitor problem
WLR_DRM_NO_MODIFIERS=1

# make Firefox use native Wayland backend
MOZ_ENABLE_WAYLAND=1
# force wayland backend for bemenu
BEMENU_BACKEND=wayland

# Force Wayland backend for qt5 apps
QT_QPA_PLATFORM=wayland
QT_WAYLAND_DISABLE_WINDOWDECORATION=1

# general
XDG_SESSION_TYPE=wayland