Add fixed hostname to prompt

roles/home-cli/files/shrc

@@ -26,9 +26,14 @@ export TIME_STYLE="long-iso"
 
 # Other exports.
 export EDITOR=vi
-export PS1='\$ '
 export PYTHONWARNINGS="ignore::UserWarning"
 
+PS1="$  "
+if /bin/test -z "${HOST}"; then
+    HOST="$(hostname)"
+fi
+export PS1="${HOST%%.*}$PS1"
+
 if [ "$BASH" ]; then
     shopt -s histappend
     bind '"\e[1;5C": forward-word'