tree-wide: replace uses of splitString "." with lib.versions

Quoting from the splitString docstring:

   NOTE: this function is not performant and should never be used.

This replaces trivial uses of splitString for splitting version
strings with the (potentially builtin) splitVersion.

1 files changed, 2 insertions, 2 deletions

diff --git a/pkgs/os-specific/linux/prl-tools/default.nix b/pkgs/os-specific/linux/prl-tools/default.nix
index 3daab3917e8..5f84b5dcc66 100644
--- a/pkgs/os-specific/linux/prl-tools/default.nix
+++ b/pkgs/os-specific/linux/prl-tools/default.nix
@@ -8,8 +8,8 @@ assert (!libsOnly) -> kernel != null;
 # Disable for kernels 4.15 and above due to compatibility issues
 assert kernel != null -> stdenv.lib.versionOlder kernel.version "4.15";
 
-let xorgFullVer = (builtins.parseDrvName xorg.xorgserver.name).version;
-    xorgVer = lib.concatStringsSep "." (lib.take 2 (lib.splitString "." xorgFullVer));
+let xorgFullVer = lib.getVersion xorg.xorgserver;
+    xorgVer = lib.versions.majorMinor xorgFullVer;
     x64 = if stdenv.hostPlatform.system == "x86_64-linux" then true
           else if stdenv.hostPlatform.system == "i686-linux" then false
           else throw "Parallels Tools for Linux only support {x86-64,i686}-linux targets";