Configure xdg dirs

.bash_logout

@@ -1,2 +1,2 @@
 # Stop ssh-agent if it is started
-[ -v "$SSH_AUTH_SOCK" ] && eval "$(ssh-agent -k)"
+[ -n "$SSH_AUTH_SOCK" ] && eval "$(ssh-agent -k)"

.bash_profile

@@ -1,8 +1,22 @@
 # Start ssh-agent if it is not already started
-[ -v "$SSH_AUTH_SOCK" ] || eval "$(ssh-agent -s)"
+[ -z "$SSH_AUTH_SOCK" ] && eval "$(ssh-agent -s)"
 
 # Update rust toolchains
 rustup update
 
-# Set JAVA_HOME
-export JAVA_HOME="/usr/lib/jvm/java-17-openjdk"
+# Set environment variables
+export JAVA_HOME="/usr/lib/jvm/default"
+export XDG_CACHE_HOME="$HOME/.cache"
+export XDG_CONFIG_HOME="$HOME/.config"
+export XDG_DATA_HOME="$HOME/.local/share"
+export XDG_STATE_HOME="$HOME/.local/state"
+
+## For application data/settings
+export GTK2_RC_FILES="$XDG_CONFIG_HOME"/gtk-2.0/gtkrc
+export ANDROID_HOME="$XDG_DATA_HOME"/android
+export CARGO_HOME="$XDG_DATA_HOME"/cargo
+export GNUPGHOME="$XDG_DATA_HOME"/gnupg
+export GOPATH="$XDG_DATA_HOME"/go
+export PLATFORMIO_CORE_DIR="$XDG_DATA_HOME"/platformio
+export RUSTUP_HOME="$XDG_DATA_HOME"/rustup
+export HISTFILE="$XDG_STATE_HOME"/bash/history