From e55f48dbe24cf72312c8bb62ca28fd61fd14a104 Mon Sep 17 00:00:00 2001
From: /dev/urandom <iw4x-dev-urandom@protonmail.com>
Date: Sun, 17 Jan 2016 21:47:40 +0100
Subject: [PATCH] premake5: Add "version" command which prints the version
 string.

Needed for the CI to apply build naming by revision number.
---
 premake5.lua | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/premake5.lua b/premake5.lua
index 4568cee6..abe92d2f 100644
--- a/premake5.lua
+++ b/premake5.lua
@@ -11,6 +11,20 @@ newoption {
 	description = "Do not use new virtual path structure (separating headers and source files)."
 }
 
+newaction {
+	trigger = "version",
+	description = "Returns the version string for the current commit of the source code.",
+	onWorkspace = function(wks)
+		-- get revision number via git
+		local proc = assert(io.popen("git rev-list --count HEAD", "r"))
+		local revNumber = assert(proc:read('*a')):gsub("%s+", "")
+		proc:close()
+
+		print(revNumber)
+		os.exit(0)
+	end
+}
+
 newaction {
 	trigger = "generate-buildinfo",
 	description = "Sets up build information file like version.h.",