folks: Remove unused dependencies

pkgs/development/libraries/folks/default.nix

@@ -1,28 +1,22 @@
 { stdenv
 , lib
 , fetchurl
+, fetchpatch
 , pkg-config
 , meson
 , ninja
 , glib
 , gnome
-, nspr
 , gettext
 , gobject-introspection
 , vala
 , sqlite
-, libxml2
 , dbus-glib
-, libsoup
-, nss
 , dbus
 , libgee
 , evolution-data-server-gtk4
-, libsecret
-, db
 , python3
 , readline
-, gtk3
 , gtk-doc
 , docbook-xsl-nons
 , docbook_xml_dtd_43
@@ -43,31 +37,35 @@ stdenv.mkDerivation rec {
     sha256 = "D/+KiWMwzYKu5FmDJPflQciE0DN1NiEnI7S+s4x1kIY=";
   };
 
+  patches = [
+    # Do not check for unneeded GTK dependency.
+    (fetchpatch {
+      url = "https://gitlab.gnome.org/GNOME/folks/-/commit/686d58fb2454e5038bb951423245ed8c2d4b5cf6.patch";
+      sha256 = "0ydafVKhSrkHZK8bitPF5mNDTG5GrixGzBgBLNzLuXQ=";
+    })
+  ];
+
   nativeBuildInputs = [
     gettext
     gobject-introspection
-    gtk3
     gtk-doc
     docbook-xsl-nons
     docbook_xml_dtd_43
     meson
     ninja
     pkg-config
-    python3
     vala
+  ] ++ lib.optionals telepathySupport [
+    python3
   ];
 
   buildInputs = [
-    db
     dbus-glib
-    evolution-data-server-gtk4
-    libsecret
-    libsoup
-    libxml2
-    nspr
-    nss
+    evolution-data-server-gtk4 # UI part not needed, using gtk4 version to reduce system closure.
     readline
-  ] ++ lib.optional telepathySupport telepathy-glib;
+  ] ++ lib.optionals telepathySupport [
+    telepathy-glib
+  ];
 
   propagatedBuildInputs = [
     glib
@@ -105,9 +103,7 @@ stdenv.mkDerivation rec {
     runHook postCheck
   '';
 
-  postPatch = ''
-    chmod +x meson_post_install.py
-    patchShebangs meson_post_install.py
+  postPatch = lib.optionalString telepathySupport ''
     patchShebangs tests/tools/manager-file.py
   '';