From f6bdcf2a92d78b5debc85eaf29747ac09e23c530 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Wed, 4 Jan 2012 01:04:02 -0700
Subject: Ok, it seems to work, it's tag based...

---
 default.bld     | 15 +++++++++++----
 src/options.cpp | 19 ++++++++++++++++++-
 src/options.h   |  3 +++
 3 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/default.bld b/default.bld
index 5c3d9b1..572e992 100644
--- a/default.bld
+++ b/default.bld
@@ -1,19 +1,26 @@
 
+action "default"
+{
+	build: ["src/version.h", "stage"];
+}
+
 target "src/version.h"
 {
-	requires ".git";
+	input ".git";
 	profile "build"
 	{
-		fh = open("src/version.h.tmp");
+		fh = open("src/version.h.tmp", "w");
 		fh.write(
 "#ifndef VERSION_H\n"
 "#define VERSION_H\n"
 "\n"
+"#define VERSION		\"$(git describe --abbrev=0)\"\n"
 "#define FULLVER		\"$(git describe)\"\n"
+"#define SHAVER		\"$(git log -n1 --pretty=format:%H)\"\n"
 "\n"
 "#endif");
 		fh.close();
-		if "$(cmp src/version.h.tmp src/version.h)" == "" then
+		if "$(cmp src/version.h.tmp src/version.h 2>&1)" == "" then
 		{
 			execute("rm src/version.h.tmp");
 		}
@@ -28,7 +35,7 @@ CC="g++";
 target "stage"
 {
 	rule "exe";
-	input files("src/*.y", "src/*.l", "src/*.cpp");
+	input files("src/*.y", "src/*.l", "src/*.cpp", "src/version.h");
 
 	CXXFLAGS="-ggdb";
 	CFLAGS="-ggdb";
diff --git a/src/options.cpp b/src/options.cpp
index 7953add..aa964d2 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -1,7 +1,12 @@
 #include "options.h"
 #include "version.h"
 
+#include <stdlib.h>
+
 #include <bu/optparser.h>
+#include <bu/sio.h>
+
+using namespace Bu;
 
 Options::Options()
 {
@@ -15,11 +20,23 @@ void Options::parse( int argc, char *argv[] )
 {
 	Bu::OptParser opt;
 
-	opt.addHelpBanner("STAGE v" FULLVER
+	opt.addHelpBanner("STAGE v" VERSION
 			" - Simple, Textual, Adventure Game Environment");
 	opt.addHelpBanner("usage: " + Bu::String(argv[0]) +
 			" [options] <filename>\n");
+	opt.addOption( Bu::slot( this, &Options::version ), Bu::String("version"), Bu::String("Show the version info.") );
 	opt.addHelpOption('h', "help");
 	opt.parse( argc, argv );
 }
 
+int Options::version( Bu::StrArray aArgs )
+{
+	sio << "STAGE v" VERSION " - Simple, Textual, Adventure Game Environment."
+		<< sio.nl;
+	sio << "Full version: " FULLVER << sio.nl;
+	sio << "Commit id:    " SHAVER << sio.nl;
+	sio << sio.nl;
+	exit( 0 );
+	return 0;
+}
+
diff --git a/src/options.h b/src/options.h
index 42caa53..7fe2633 100644
--- a/src/options.h
+++ b/src/options.h
@@ -3,6 +3,7 @@
 
 #include <bu/singleton.h>
 #include <bu/string.h>
+#include <bu/array.h>
 
 class Options : public Bu::Singleton<Options>
 {
@@ -15,6 +16,8 @@ public:
 	void parse( int argc, char *argv[] );
 
 	Bu::String sFile;
+
+	int version( Bu::Array<Bu::String> aArgs );
 };
 
 #endif
-- 
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