Use portable shebang

git-prompt-help.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #  git-prompt-help -- show useful info to help new users with the information
 # being displayed.
 

gitprompt.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 function async_run() {
   {

gitstatus.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # -*- coding: UTF-8 -*-
 # gitstatus.sh -- produce the current git repo status on STDOUT
 # Functionally equivalent to 'gitstatus.py', but written in bash (not python).

gitstatus_pre-1.7.10.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # -*- coding: UTF-8 -*-
 # gitstatus.sh -- produce the current git repo status on STDOUT
 # Functionally equivalent to 'gitstatus.py', but written in bash (not python).