kicad: avoid rebuild on date change

the date changes more often than most of the inputs the date can also change on the base without other changes this causes a substantial rebuild for no reason
2021-05-14 09:03:53 +02:00
parent 7dc05fed4f
commit e37d772beb
4 changed files with 7 additions and 11 deletions
@@ -2,13 +2,12 @@
 , cmake
 , gettext
 , libSrc
-, libVersion
 }:
 let
  mkLib = name:
    stdenv.mkDerivation {
      pname = "kicad-${name}";
-      version = libVersion;
+      version = builtins.substring 0 10 (libSrc name).rev;

      src = libSrc name;