Clean brunton

themes/brunton/brunton.theme.bash

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+# shellcheck shell=bash
 
 SCM_THEME_PROMPT_PREFIX=""
 SCM_THEME_PROMPT_SUFFIX=""
@@ -10,16 +10,14 @@ SCM_SVN_CHAR="${bold_cyan}⑆${normal}"
 SCM_HG_CHAR="${bold_red}☿${normal}"
 
 is_vim_shell() {
-	if [ ! -z "$VIMRUNTIME" ]
-	then
+	if [ -n "$VIMRUNTIME" ]; then
 		echo "[${cyan}vim shell${normal}]"
 	fi
 }
 
 scm_prompt() {
 	CHAR=$(scm_char)
-	if [ $CHAR = $SCM_NONE_CHAR ]
-	then
+	if [ "$CHAR" = "$SCM_NONE_CHAR" ]; then
 		return
 	else
 		echo " $(scm_char) (${white}$(scm_prompt_info)${normal})"