From 411d703666e8a8b4fca4ad6e7beff069fb64d0d4 Mon Sep 17 00:00:00 2001
From: Luis Rascao <luis.rascao@gmail.com>
Date: Thu, 12 Jun 2014 14:05:35 +0100
Subject: [PATCH] bootstrap now accepts --help usage flag

---
 bootstrap | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/bootstrap b/bootstrap
index f6aa6cc..e14b0e0 100755
--- a/bootstrap
+++ b/bootstrap
@@ -3,6 +3,14 @@
 %% ex: ft=erlang ts=4 sw=4 et
 
 main(Args) ->
+    case lists:member("--help", Args) of
+        true ->
+            usage(),
+            halt(0);
+          false ->
+            ok
+    end,    
+    
     %% Get a string repr of build time
     Built = build_time(),
 
@@ -89,6 +97,11 @@ main(Args) ->
               "Place this script anywhere in your path\n"
               "and you can use rebar to build OTP-compliant apps.\n").
 
+usage() ->
+  io:format("Usage: bootstrap [OPTION]...~n"),
+  io:format("    force=1\t unconditional build~n"),
+  io:format("    debug\t add debug information~n").
+  
 is_otp(OtpInfo, Regex) ->
      case re:run(OtpInfo, Regex, [{capture, none}]) of
           match -> true;