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/development/interpreters/lfe/generic-builder.nix b/pkgs/development/interpreters/lfe/generic-builder.nix
index fb034a471e7c..6e74229e1e88 100644
--- a/pkgs/development/interpreters/lfe/generic-builder.nix
+++ b/pkgs/development/interpreters/lfe/generic-builder.nix
@@ -9,9 +9,9 @@
 }:
 
 let
-  inherit (stdenv.lib) getVersion versionAtLeast splitString head;
+  inherit (stdenv.lib) getVersion versionAtLeast versions;
 
-  mainVersion = head (splitString "." (getVersion erlang));
+  mainVersion = versions.major (getVersion erlang);
 
   proper = buildHex {
     name = "proper";