From f725dd6c65f60f5d0f637354df0f815df2d0ced1 Mon Sep 17 00:00:00 2001
From: Mark Harrah <dmharrah@gmail.com>
Date: Fri, 16 Aug 2013 14:22:46 -0400
Subject: [PATCH] Docs: pass build values to sphinx/conf.py via environment
 variables to reduce duplication.

---
 project/Docs.scala | 18 ++++++++++++++++++
 project/p.sbt      |  2 +-
 src/sphinx/conf.py | 10 +++++-----
 3 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/project/Docs.scala b/project/Docs.scala
index 459af3d13..dfede58d4 100644
--- a/project/Docs.scala
+++ b/project/Docs.scala
@@ -27,6 +27,7 @@ object Docs
 //		siteIncludeSxr("sxr") ++
 		ghPagesSettings ++
 		Seq(
+			SphinxSupport.sphinxEnv in SphinxSupport.Sphinx <<= sphinxEnvironmentVariables,
 			SphinxSupport.sphinxIncremental in SphinxSupport.Sphinx := true,
 			// TODO: set to true with newer sphinx plugin release
 			SphinxSupport.enableOutput in SphinxSupport.generatePdf := false
@@ -44,6 +45,23 @@ object Docs
 		site.addMappingsToSiteDir(mappings in sxr, prefix)
 	)
 
+	def sphinxEnvironmentVariables = (scalaVersion, version) map { (scalaV, sbtV) =>
+		// major.minor
+		def release(v: String): String = CrossVersion.partialVersion(v) match {
+			case Some((major,minor)) => major + "." + minor
+			case None => v
+		}
+		Map[String,String](
+			"sbt.full.version" -> sbtV,
+			"sbt.partial.version" -> release(sbtV),
+			"sbt.site.version" -> sbtV.takeWhile(_ != '-'),
+			"sbt.binary.version" -> CrossVersion.binarySbtVersion(sbtV),
+			"scala.full.version" -> scalaV,
+			"scala.partial.version" -> release(scalaV),
+			"scala.binary.version" -> CrossVersion.binaryScalaVersion(scalaV)
+		)
+	}
+
 	def synchLocalImpl = (ghkeys.privateMappings, ghkeys.updatedRepository, version, isSnapshot, streams, cnameFile) map { (mappings, repo, v, snap, s, cname) =>
 		val versioned = repo / v
 		if(snap)
diff --git a/project/p.sbt b/project/p.sbt
index f2bd8b90e..516f53f93 100644
--- a/project/p.sbt
+++ b/project/p.sbt
@@ -3,7 +3,7 @@ libraryDependencies ++= Seq(
 	"org.jsoup" % "jsoup" % "1.7.1"
 )
 
-addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "0.7.0")
+addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "0.7.1")
 
 resolvers += "jgit-repo" at "http://download.eclipse.org/jgit/maven"
 
diff --git a/src/sphinx/conf.py b/src/sphinx/conf.py
index 4e465afc9..293080816 100644
--- a/src/sphinx/conf.py
+++ b/src/sphinx/conf.py
@@ -8,11 +8,11 @@ extensions = ['sphinxcontrib.issuetracker', 'sphinx.ext.extlinks', 'howto', 'cod
 # Project variables
 
 project = 'sbt'
-version = '0.13'
-site_version = '0.13.0'
-release = "0.13.0-SNAPSHOT"
-scalaVersion = "2.10"
-scalaRelease = "2.10.2"
+version = os.environ['sbt.partial.version']
+site_version = os.environ['sbt.site.version']
+release = os.environ['sbt.full.version']
+scalaVersion = os.environ['scala.binary.version']
+scalaRelease = os.environ['scala.full.version']
 
 # General settings