Add date and hash to publishing version

1 files changed, 18 insertions, 0 deletions

diff --git a/project/VersionUtil.scala b/project/VersionUtil.scala
new file mode 100644
index 000000000..338cf2d95
--- /dev/null
+++ b/project/VersionUtil.scala
@@ -0,0 +1,18 @@
+import scala.sys.process.Process
+
+object VersionUtil {
+  def executeScript(scriptName: String) = {
+    val cmd =
+      if (System.getProperty("os.name").toLowerCase.contains("windows"))
+        s"cmd.exe /c scripts\\build\\$scriptName.bat -p"
+      else s"scripts/build/$scriptName"
+    Process(cmd).lines.head.trim
+  }
+
+  /** Seven letters of the SHA hash is considered enough to uniquely identify a
+   *  commit, albeit extremely large projects - such as the Linux kernel - need
+   *  more letters to stay unique
+   */
+  def gitHash = executeScript("get-scala-commit-sha").substring(0, 7)
+  def commitDate = executeScript("get-scala-commit-date")
+}