Move last little bit of script into a function so local is available

gitprompt.sh

@@ -277,19 +277,20 @@ function prompt_callback_default {
     return
 }
 
-if [ "`type -t prompt_callback`" = 'function' ]; then
+function run {
+  if [ "`type -t prompt_callback`" = 'function' ]; then
       prompt_callback="prompt_callback"
-else
+  else
       prompt_callback="prompt_callback_default"
-fi
+  fi
 
-if [ -z "$OLD_GITPROMPT" ]; then
+  if [ -z "$OLD_GITPROMPT" ]; then
     OLD_GITPROMPT=$PS1
-fi
+  fi
 
-if [ -z "$PROMPT_COMMAND" ]; then
+  if [ -z "$PROMPT_COMMAND" ]; then
     PROMPT_COMMAND=setGitPrompt
-else
+  else
     PROMPT_COMMAND=${PROMPT_COMMAND%% }; # remove trailing spaces
     PROMPT_COMMAND=${PROMPT_COMMAND%\;}; # remove trailing semi-colon
 
@@ -303,7 +304,10 @@ else
         # echo "PROMPT_COMMAND does not contain: $new_entry"
         ;;
     esac
-fi
+  fi
+
+  git_prompt_dir
+  source "$__GIT_PROMPT_DIR/git-prompt-help.sh"
+}
 
-git_prompt_dir
+run
-source "$__GIT_PROMPT_DIR/git-prompt-help.sh"