From 4f8f9383692f5230de036aed8c4e370dcb5a3c0a Mon Sep 17 00:00:00 2001
From: Keith Winstein <keithw@mit.edu>
Date: Mon, 12 Mar 2012 04:49:00 -0400
Subject: [PATCH] Add versions and no-warranty msg to mosh, mosh-client,
 mosh-server

---
 scripts/mosh                | 21 ++++++++++++++++++++-
 src/frontend/mosh-client.cc |  6 ++++++
 src/frontend/mosh-server.cc |  4 ++++
 3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/scripts/mosh b/scripts/mosh
index a1147e1..78f56d0 100755
--- a/scripts/mosh
+++ b/scripts/mosh
@@ -16,6 +16,8 @@
 #   You should have received a copy of the GNU General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+my $MOSH_VERSION = '0.98c';
+
 use warnings;
 use strict;
 use Socket;
@@ -31,6 +33,9 @@ my $predict = undef;
 
 my $port_request = undef;
 
+my $help = undef;
+my $version = undef;
+
 my $usage =
 qq{Usage: $0 [options] [user@]host
         --client=PATH        mosh client on local machine
@@ -44,8 +49,17 @@ qq{Usage: $0 [options] [user@]host
 
 -p NUM  --port=NUM           server-side UDP port
 
+        --help               this message
+        --version
+
 Please report bugs to mosh-devel\@mit.edu.
-Mosh home page: http://mosh.mit.edu\n};
+Mosh home page: http://mosh.mit.edu
+
+mosh $MOSH_VERSION
+Copyright 2012 Keith Winstein <mosh-devel\@mit.edu>
+License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
+This is free software: you are free to change and redistribute it.
+There is NO WARRANTY, to the extent permitted by law.\n};
 
 sub predict_check {
   my ( $predict, $env_set ) = @_;
@@ -65,8 +79,13 @@ GetOptions( 'client=s' => \$client,
 	    'a' => sub { $predict = 'always' },
 	    'n' => sub { $predict = 'never' },
 	    'p=i' => \$port_request,
+	    'help' => \$help,
+	    'version' => \$version,
 	    'fake-proxy!' => \my $fake_proxy ) or die $usage;
 
+die $usage if ( defined $help );
+die "mosh $MOSH_VERSION\n" if ( defined $version );
+
 if ( defined $predict ) {
   predict_check( $predict, 0 );
 } elsif ( defined $ENV{ 'MOSH_PREDICTION_DISPLAY' } ) {
diff --git a/src/frontend/mosh-client.cc b/src/frontend/mosh-client.cc
index b61e648..c97ff45 100644
--- a/src/frontend/mosh-client.cc
+++ b/src/frontend/mosh-client.cc
@@ -16,6 +16,8 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "config.h"
+
 #include <stdlib.h>
 #include <string.h>
 
@@ -23,6 +25,10 @@
 #include "crypto.h"
 
 void usage( const char *argv0 ) {
+  fprintf( stderr, "mosh-client (%s)\n", PACKAGE_STRING );
+  fprintf( stderr, "Copyright 2012 Keith Winstein <mosh-devel@mit.edu>\n" );
+  fprintf( stderr, "License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\n" );
+
   fprintf( stderr, "Usage: %s IP PORT\n", argv0 );
 }
 
diff --git a/src/frontend/mosh-server.cc b/src/frontend/mosh-server.cc
index 5ab1f16..47323c2 100644
--- a/src/frontend/mosh-server.cc
+++ b/src/frontend/mosh-server.cc
@@ -153,6 +153,10 @@ int run_server( const char *desired_ip, const char *desired_port ) {
 
   fprintf( stderr, "[mosh-server detached, pid = %d]\n", (int)getpid() );
 
+  fprintf( stderr, "\nmosh-server (%s)\n", PACKAGE_STRING );
+  fprintf( stderr, "Copyright 2012 Keith Winstein <mosh-devel@mit.edu>\n" );
+  fprintf( stderr, "License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\n" );
+
   int master;
 
   if ( !(child_termios.c_iflag & IUTF8) ) {