First version of SBT build for Scala compiler/l...

First version of SBT build for Scala compiler/library (see README)

1 files changed, 34 insertions, 0 deletions

diff --git a/project/build/SVN.scala b/project/build/SVN.scala
new file mode 100644
index 0000000000..78624f3ba7
--- /dev/null
+++ b/project/build/SVN.scala
@@ -0,0 +1,34 @@
+import sbt._
+import java.io.{ByteArrayOutputStream}
+import scala.util.matching.{Regex}
+
+/**
+ * @param root the root of an svn repository
+ * @author Moix Grégory
+ */
+class SVN(root:Path){
+
+  /**
+   * Gets the revision number of the repository given through the constructor of the class
+   * It assumes that svn is installed on the running computer.
+   */
+   def getRevisionNumber:Int = {
+     val svnInfo = Process("svn info", root)
+     var result=0
+     val out= new ByteArrayOutputStream
+     val code:Int = svnInfo.#>(out).!
+     if(code == 0) {
+         val r = out.toString
+         val Pattern = new Regex("""Revision: (\d+)""","version")
+         val version = Pattern.findFirstMatchIn(r)
+         version match {
+           case Some(s)=> result=Integer.parseInt(s.group("version"))
+           case None => throw new UnableToGetRevisionNumberException
+         }
+     } else {
+       throw new UnableToGetRevisionNumberException
+     }
+     result
+   }
+}
+class UnableToGetRevisionNumberException extends RuntimeException
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