beatific: fix prompt path shortening

modules/bashrc

@@ -1,19 +1,24 @@
 # Set the title bar to user@host: pwd
 _TITLE_BAR="\u@\h: \w"
 _SET_TITLE_BAR="\[\e]0;$_TITLE_BAR\a\]"
-# Shorten $HOME to ~ in PWD
-_pwd_home () {
-	if [[ "$PWD" =~ ^"$HOME"(/|$) ]]; then
-		echo "~${PWD#$HOME}"
+# Shorten $HOME to ~ in PWD and shorten other path dir names to one letter
+_pwd() {
+	if [[ "$PWD" =~ ^"$HOME"($) ]]; then
+		printf "~"
+	elif [[ "$PWD" = "/" ]]; then
+		printf "/"
 	else
-		echo $PWD
+		if [[ "$PWD" =~ ^"$HOME"/ ]]; then
+			printf "~"
+			DIR="${PWD#$HOME}"
+		else
+			DIR="$PWD"
+		fi
+		for path_elem in $(dirname "$DIR" | tr / '\n' | grep . | cut -c-1); do
+			printf '/%s' $path_elem
+		done
+		printf "/$(basename "$DIR")"
 	fi
-}
-# Shorten path dir names
-_pwd () {
-	DIR=$(_pwd_home)
-	[ "$DIR" != "/" ] && [ "$DIR" != "~" ] && printf '%s/' $(dirname "$DIR" | tr / '\n' | cut -c-1)
-	printf "$(basename "$DIR")"
 }
 _DIR='$(_pwd)'
 # Color codes