Merge pull request #162 from ogr3/theme-fix

Re-indented functions. Added faster check for function type.

gitprompt.sh

@@ -1,14 +1,12 @@
 #!/bin/sh
 
-function async_run()
-{
+function async_run() {
   {
     eval "$@" &> /dev/null
   }&
 }
 
-function git_prompt_dir()
-{
+function git_prompt_dir() {
   # assume the gitstatus.sh is in the same directory as this script
   # code thanks to http://stackoverflow.com/questions/59895
   if [ -z "$__GIT_PROMPT_DIR" ]; then
@@ -26,8 +24,7 @@ function echoc() {
   echo -e "${1}$2${ResetColor}" | sed 's/\\\]//g'  | sed 's/\\\[//g'
 }
 
-function get_theme()
-{
+function get_theme() {
   local CUSTOM_THEME_FILE="${HOME}/.git-prompt-colors.sh"
   local DEFAULT_THEME_FILE="${__GIT_PROMPT_DIR}/themes/Default.bgptheme"
 
@@ -67,16 +64,14 @@ function get_theme()
   fi
 }
 
-function git_prompt_load_theme()
-{
+function git_prompt_load_theme() {
   get_theme
   local DEFAULT_THEME_FILE="${__GIT_PROMPT_DIR}/themes/Default.bgptheme"
   source "${DEFAULT_THEME_FILE}"
   source "${__GIT_PROMPT_THEME_FILE}"
 }
 
-function git_prompt_list_themes()
-{
+function git_prompt_list_themes() {
   local oldTheme
   local oldThemeFile
 
@@ -203,8 +198,7 @@ gp_format_exit_status() {
   fi
 }
 
-function git_prompt_config()
-{
+function git_prompt_config() {
   #Checking if root to change output
   _isroot=false
   [[ $UID -eq 0 ]] && _isroot=true
@@ -225,7 +219,7 @@ function git_prompt_config()
 
   git_prompt_load_theme
 
-  if [ "`type -t prompt_callback`" = 'function' ]; then
+  if is_function prompt_callback; then
     prompt_callback="prompt_callback"
   else
     prompt_callback="prompt_callback_default"
@@ -424,8 +418,7 @@ function checkUpstream() {
   fi
 }
 
-function replaceSymbols()
-{
+function replaceSymbols() {
   if [[ -z ${GIT_PROMPT_SYMBOLS_NO_REMOTE_TRACKING} ]]; then
     GIT_PROMPT_SYMBOLS_NO_REMOTE_TRACKING=L
   fi
@@ -524,6 +517,12 @@ function updatePrompt() {
   PS1="${NEW_PROMPT//_LAST_COMMAND_INDICATOR_/${LAST_COMMAND_INDICATOR}}"
 }
 
+# Use exit status from declare command to determine whether input argument is a
+# bash function
+function is_function {
+  declare -Ff "$1" >/dev/null;
+}
+
 function prompt_callback_default {
   return
 }