From 2675d4f9232023b0c8b5c9e4778b2f192b06b4d5 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Fri, 21 Sep 2012 15:12:12 +0200
Subject: [PATCH] "bex help" is now equivalent to "bex --help"

---
 bex | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/bex b/bex
index b1cb7b0..f4db56f 100755
--- a/bex
+++ b/bex
@@ -9,12 +9,8 @@ use Getopt::Long;
 my $bex_home = $ENV{"BEX_HOME"} // ".";
 my $bex_lib = $ENV{"BEX_LIB"} // "lib";
 
-Getopt::Long::Configure('require_order');
-GetOptions(
-	"home=s" => \$bex_home,
-	"lib=s" => \$bex_lib,
-	"help" => sub {
-			print <<AMEN ;
+sub show_help() {
+	print <<AMEN ;
 Usage: bex <general-options> <command> <command-options> <args>
 
 General options:
@@ -23,6 +19,7 @@ General options:
 
 Commands (and aliases):
 add (a)		Add new jobs to a queue
+help		Show this help
 job		Operations on queued jobs
 mach		List known machines and groups
 prun (pr)	Parallel version of `run'
@@ -30,12 +27,18 @@ qman		Management of queues
 queue (q)	Show queues and jobs on them
 run (r)		Run queued jobs
 AMEN
-			exit 0;
-		},
+	exit 0;
+}
+
+Getopt::Long::Configure('require_order');
+GetOptions(
+	"home=s" => \$bex_home,
+	"lib=s" => \$bex_lib,
+	"help" => \&show_help,
 	"version" => sub {
 			print "BEX 3.0 (c) 2011-2012 Martin Mares <mj\@ucw.cz>\n";
 		},
-) or die "Try `bex --help' for more information.\n";
+) or die "Try `bex help' for more information.\n";
 Getopt::Long::Configure('default');
 
 if (!-d $bex_home) {
@@ -52,6 +55,8 @@ if (!-f "$bex_lib/perl/BEX.pm") {
 my $sub = shift @ARGV;
 $sub =~ /^[0-9a-zA-Z]+$/ or die "Invalid subcommand $sub\n";
 
+if ($sub eq 'help') { show_help(); }
+
 my %aliases = (
 	'a' => 'add',
 	'p' => 'prun',
-- 
2.39.2