sbt: Add test

nixos/tests/all-tests.nix

@@ -310,6 +310,7 @@ in
   rxe = handleTest ./rxe.nix {};
   samba = handleTest ./samba.nix {};
   sanoid = handleTest ./sanoid.nix {};
+  sbt = handleTest ./sbt.nix {};
   sddm = handleTest ./sddm.nix {};
   service-runner = handleTest ./service-runner.nix {};
   shadowsocks = handleTest ./shadowsocks {};

nixos/tests/sbt.nix

@@ -0,0 +1,18 @@
+import ./make-test-python.nix ({ pkgs, ...} : {
+  name = "sbt";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ nequissimus ];
+  };
+
+  machine = { pkgs, ... }:
+    {
+      environment.systemPackages = [ pkgs.sbt ];
+    };
+
+  testScript =
+    ''
+      machine.succeed(
+          "(sbt --offline --version 2>&1 || true) | grep 'getting org.scala-sbt sbt ${pkgs.sbt.version}  (this may take some time)'"
+      )
+    '';
+})

pkgs/development/tools/build-managers/sbt/default.nix

@@ -1,5 +1,5 @@
 { stdenv, fetchurl, jre, autoPatchelfHook, zlib, writeScript
-, common-updater-scripts, git, nixfmt, nix, coreutils, gnused }:
+, common-updater-scripts, git, nixfmt, nix, coreutils, gnused, nixosTests }:
 
 stdenv.mkDerivation rec {
   pname = "sbt";
@@ -36,7 +36,10 @@ stdenv.mkDerivation rec {
     platforms = platforms.unix;
   };
 
-  passthru.updateScript = writeScript "update.sh" ''
+  passthru = {
+    tests = { inherit (nixosTests) sbt; };
+
+    updateScript = writeScript "update.sh" ''
       #!${stdenv.shell}
       set -o errexit
       PATH=${
@@ -62,4 +65,5 @@ stdenv.mkDerivation rec {
         echo "sbt is already up-to-date"
       fi
     '';
+  };
 }