From a76fd811ed81f014d17c39b6eaa389cd4fd29e1b Mon Sep 17 00:00:00 2001
From: Mike Gerwitz <mikegerwitz@gnu.org>
Date: Fri, 17 Jan 2014 01:20:30 -0500
Subject: [PATCH] Added version.js

---
 .gitignore        |  1 +
 configure.ac      |  9 ++++++++-
 index.js          |  7 ++++---
 src/version.js.in | 43 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 56 insertions(+), 4 deletions(-)
 create mode 100644 src/version.js.in

diff --git a/.gitignore b/.gitignore
index 0a5fe12..85310f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ configure
 Makefile.in
 
 # generated by configure
+src/version.js
 config.*
 Makefile
 package.json
diff --git a/configure.ac b/configure.ac
index 6b40a60..9024783 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,6 +22,13 @@ AC_INIT([liza], [0.0.1-dev], [dev@lovullo.com])
 AC_CONFIG_AUX_DIR([tools])
 AM_INIT_AUTOMAKE([foreign])
 
+# provide more granular version numbers based on the above AC_INIT line
+m4_define([ver_split], m4_split(m4_translit(AC_PACKAGE_VERSION, [-], [.]), [\.]))
+AC_SUBST(MAJOR, m4_argn(1, ver_split))
+AC_SUBST(MINOR, m4_argn(2, ver_split))
+AC_SUBST(REV, m4_argn(3, ver_split))
+AC_SUBST(SUFFIX, m4_argn(4, ver_split))
+
 # generate files from their *.in counterparts
-AC_CONFIG_FILES([Makefile doc/Makefile package.json])
+AC_CONFIG_FILES([Makefile doc/Makefile package.json src/version.js])
 AC_OUTPUT
diff --git a/index.js b/index.js
index 58d93d7..184680a 100644
--- a/index.js
+++ b/index.js
@@ -19,8 +19,9 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-// as soon as we have something to export, this will be replaced with a
-// module.exports line containing an object that itself contains classes
+// as soon as we have something useful to export, this will contain classes
 // that represent common, viable entry points for the framework (e.g.
 // facades).
-throw Error( "You're too early! Check back soon." );
+module.exports = {
+    version: require( __dirname + '/src/version' )
+};
diff --git a/src/version.js.in b/src/version.js.in
new file mode 100644
index 0000000..1bd6487
--- /dev/null
+++ b/src/version.js.in
@@ -0,0 +1,43 @@
+/**
+ * Provides version information
+ *
+ *  Copyright (C) 2014 LoVullo Associates, Inc.
+ *
+ *  This file is part of liza.
+ *
+ *  liza is free software: you can redistribute it and/or modify it under
+ *  the terms of the GNU General Public License as published by the Free
+ *  Software Foundation, either version 3 of the License, or (at your
+ *  option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Taken from GNU ease.js.
+ */
+
+var major  = @MAJOR@,
+    minor  = @MINOR@,
+    rev    = @REV@,
+    suffix = '@SUFFIX@',
+
+    version = [ major, minor, rev, suffix ];
+
+version.major  = major;
+version.minor  = minor;
+version.rev    = rev;
+version.suffix = suffix;
+
+version.toString = function()
+{
+    return this.join( '.' )
+        .replace( /\.([^.]+)$/, '-$1' )
+        .replace( /-$/, '' );
+};
+
+module.exports = version;