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/kernel/linux-4.19.nix b/pkgs/os-specific/linux/kernel/linux-4.19.nix
index 5e0e5f882e48..c4735415d1da 100644
--- a/pkgs/os-specific/linux/kernel/linux-4.19.nix
+++ b/pkgs/os-specific/linux/kernel/linux-4.19.nix
@@ -6,10 +6,10 @@ buildLinux (args // rec {
   version = "4.19.74";
 
   # modDirVersion needs to be x.y.z, will automatically add .0 if needed
-  modDirVersion = if (modDirVersionArg == null) then concatStrings (intersperse "." (take 3 (splitString "." "${version}.0"))) else modDirVersionArg;
+  modDirVersion = if (modDirVersionArg == null) then concatStringsSep "." (take 3 (splitVersion "${version}.0")) else modDirVersionArg;
 
   # branchVersion needs to be x.y
-  extraMeta.branch = concatStrings (intersperse "." (take 2 (splitString "." version)));
+  extraMeta.branch = versions.majorMinor version;
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz";