scli: fix version

pkgs/applications/misc/scli/default.nix

@@ -4,6 +4,8 @@
 , dbus
 , signal-cli
 , xclip
+, testers
+, scli
 }:
 
 python3.pkgs.buildPythonApplication rec {
@@ -26,24 +28,27 @@ python3.pkgs.buildPythonApplication rec {
 
   dontBuild = true;
 
-  checkPhase = ''
-    # scli attempts to write to these directories, make sure they're writeable
-    export XDG_DATA_HOME=$(mktemp -d)
-    export XDG_CONFIG_HOME=$(mktemp -d)
-    ./scli --help > /dev/null # don't spam nix-build log
-    test $? == 0
-  '';
-
   installPhase = ''
-    mkdir -p $out/bin
+    runHook preInstall
+
     patchShebangs scli
-    install -m755 -D scli $out/bin/scli
+    install -Dm555 scli -t $out/bin
+    echo "v$version" > $out/bin/VERSION
+
+    runHook postInstall
   '';
 
   makeWrapperArgs = [
     "--prefix" "PATH" ":" (lib.makeBinPath [ dbus signal-cli xclip ])
   ];
 
+  passthru.tests = {
+    version = testers.testVersion {
+      package = scli;
+      command = "HOME=$(mktemp -d) scli --version";
+    };
+  };
+
   meta = with lib; {
     description = "Simple terminal user interface for Signal";
     homepage = "https://github.com/isamert/scli";