.prefix: Change the way alternate shells are presented

Now they have a different bracket (parenthesis) and a different-colored PWD, even in SSH sessions

.profile

@@ -85,32 +85,30 @@ _ps1() {
 	exitcode="$?"
 	r="\e[0m"
 	fg_blue="\e[34m"
+	fg_cyan="\e[36m"
 	fg_red="\e[31m"
 	fg_green="\e[32m"
 	fg_yellow="\e[33m"
 	fg_grey="\e[37m"
 	fg_bold="\e[1m"
 
-	# Change PWD color in SSH sessions
-	hostname_prefix="${fg_blue}"
+	# Add hostname prefix in SSH sessions
 	if [ "$SSH_CLIENT" ]; then
 		# Also add the machine's hostname
-		hostname_prefix="${fg_bold}${fg_red}`hostname`${r}${fg_red}:"
+		prefix="${fg_bold}${fg_red}`hostname`${r}${fg_red}:"
 	fi
-	# Change $ color depending on shell
-	cashcolor="${fg_green}"
+	# Change PWD color depending on the shell
 	case $0 in
 		bash)
-			cashcolor="${fg_blue}"
+			prefix="${prefix}${fg_yellow}"
 			;;
 		ksh)
-			cashcolor="${fg_yellow}"
+			prefix="${prefix}${fg_green}"
 			;;
 		sh)
-			cashcolor="${fg_grey}"
+			prefix="${prefix}${fg_grey}"
 			;;
 		*)
-			cashcolor="${fg_green}"
 			;;
 	esac
 	# Show the tilde instead of $HOME
@@ -120,7 +118,7 @@ _ps1() {
 	if ! [ "$exitcode" = "0" ]; then
 		fail="${fg_bold}${fg_red}?"
 	fi
-	printf "[${hostname_prefix}${cpwd}${r}]${fail}${r}${cashcolor}\$${r} "
+	printf "(${prefix}${cpwd}${r})${fail}${r}${fg_green}\$${r} "
 }
 
 if ! [ "$ZSH_NAME" ]; then