nfs-utils: add passthru.updateScript

pkgs/by-name/nf/nfs-utils/package.nix

@@ -181,6 +181,8 @@ stdenv.mkDerivation rec {
     nfs4-kerberos = nixosTests.nfs4.kerberos;
   };
 
+  passthru.updateScript = ./update.sh;
+
   meta = with lib; {
     description = "Linux user-space NFS utilities";
 

pkgs/by-name/nf/nfs-utils/update.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p coreutils gnugrep common-updater-scripts nix-update
+
+# tags look like nfs-utils-2-8-4
+version=$(list-git-tags --url=git://git.linux-nfs.org/projects/steved/nfs-utils.git | grep -oP '^nfs-utils-\d+-\d+-\d+$' | sort -rV | head -1)
+# remove nfs-utils- prefix
+version="${version#nfs-utils-}"
+# replace - with .
+version="${version//-/.}"
+nix-update --version="$version" nfs-utils