openmvg: clarify Git version

mdaiter · Mic92 · commit fdd28b6fe0ef · 2017-05-09T09:39:41.000+01:00
fixes #25615
diff --git a/pkgs/applications/science/misc/openmvg/default.nix b/pkgs/applications/science/misc/openmvg/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     url = "https://www.github.com/openmvg/openmvg.git";
 
     # Tag v1.1
-    rev = "f5ecb48";
+    rev = "refs/tags/v${version}";
     sha256 = "1di9i7yxnkdvl8lhflynmqw62gaxwv00r1sd7nzzs9qn63g0af0f";
     fetchSubmodules = true;
   };
