From b5b15d76f1240743201dbd2c6d0f4bf683f2bf1b Mon Sep 17 00:00:00 2001
From: worldofpeace <worldofpeace@protonmail.ch>
Date: Sun, 22 Dec 2019 14:07:16 -0500
Subject: [PATCH 1/4] nixpkgs-github-update: ensure attribute_exists is
 true/false

---
 .../lib/nixpkgs_github_update/nix.ex          | 24 +++++++++++++------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/pkgs/desktops/pantheon/nixpkgs_github_update/lib/nixpkgs_github_update/nix.ex b/pkgs/desktops/pantheon/nixpkgs_github_update/lib/nixpkgs_github_update/nix.ex
index 713badf770bb..d5d9af84a6ba 100644
--- a/pkgs/desktops/pantheon/nixpkgs_github_update/lib/nixpkgs_github_update/nix.ex
+++ b/pkgs/desktops/pantheon/nixpkgs_github_update/lib/nixpkgs_github_update/nix.ex
@@ -2,7 +2,7 @@ defmodule NixpkgsGitHubUpdate.Nix do
   def executable do
     nix = System.find_executable("nix")
 
-    if nil === nix do
+    if nix == nil do
       raise RuntimeError, message: "missing executable for 'nix'"
     end
 
@@ -22,19 +22,29 @@ defmodule NixpkgsGitHubUpdate.Nix do
     |> handle_eval
   end
 
-  def handle_eval({eval_result, 0}) do
+  defp handle_eval({eval_result, 0}) do
     case eval_result do
       "" -> eval_result
       _ -> Poison.Parser.parse!(eval_result, %{})
     end
   end
 
-  def handle_eval({eval_result, _}) do
-    IO.puts("Error running nix eval: #{eval_result}")
+  defp handle_eval({eval_result, _}) do
+    raise RuntimeError, message: "Error running nix eval: #{eval_result}"
   end
 
   def attribute_exists?(attribute) do
-    eval!("(with import <nixpkgs> {}; lib.isDerivation #{attribute})")
+    attr_exist_expression = """
+      with import <nixpkgs> {};
+
+      let
+        attrSet = pkgs.lib.attrByPath (pkgs.lib.splitString "." "#{attribute}") null pkgs;
+      in
+        if attrSet == null then false
+        else true
+    """
+
+    eval!("(#{attr_exist_expression})")
   end
 
   def update_source_version(attribute, version) do
@@ -45,9 +55,9 @@ defmodule NixpkgsGitHubUpdate.Nix do
   end
 
   def get_url_attr(attribute) do
-    case eval!("nixpkgs.#{attribute}.src.fetchSubmodules") do
+    case attribute_exists?("#{attribute}.src.fetchSubmodules") do
       true -> "url"
-      _ -> "urls"
+      false -> "urls"
     end
   end
 

From c269c27f77a39c6b88a60c527485120fbeb23900 Mon Sep 17 00:00:00 2001
From: worldofpeace <worldofpeace@protonmail.ch>
Date: Sun, 22 Dec 2019 14:07:33 -0500
Subject: [PATCH 2/4] nixpkgs_github_update: nix test

---
 .../nixpkgs_github_update/test/nix_test.exs   | 49 +++++++++++++++++++
 .../test/test_helper.exs                      |  1 +
 2 files changed, 50 insertions(+)
 create mode 100644 pkgs/desktops/pantheon/nixpkgs_github_update/test/nix_test.exs
 create mode 100644 pkgs/desktops/pantheon/nixpkgs_github_update/test/test_helper.exs

diff --git a/pkgs/desktops/pantheon/nixpkgs_github_update/test/nix_test.exs b/pkgs/desktops/pantheon/nixpkgs_github_update/test/nix_test.exs
new file mode 100644
index 000000000000..c5a57698fed6
--- /dev/null
+++ b/pkgs/desktops/pantheon/nixpkgs_github_update/test/nix_test.exs
@@ -0,0 +1,49 @@
+defmodule NixTest do
+  @fake_package "asanotehhhuh"
+  @fetchgit_package "polybar"
+  @fetchgithub_package "notes-up"
+
+  use ExUnit.Case
+
+  import NixpkgsGitHubUpdate.Nix
+
+  def check_for_nix(_context) do
+    try do
+      executable()
+    rescue
+      RuntimeError ->
+        IO.puts("You need Nix installed to run these tests.")
+        System.halt(127)
+    end
+
+    :ok
+  end
+
+  setup_all :check_for_nix
+
+  describe "evaluation tests" do
+    test "evaluation handling" do
+      exists_attr = "nixpkgs.#{@fetchgithub_package}"
+
+      assert is_binary(eval!(exists_attr)) == true
+      catch_error(eval!(@fake_package) == 1)
+    end
+
+    # This should always be true or false
+    test "package exists?" do
+      assert attribute_exists?(@fetchgithub_package) == true
+      assert attribute_exists?(@fake_package) == false
+    end
+  end
+
+  test "owner repo" do
+    assert get_url_attr(@fetchgit_package) == "url"
+    assert get_url_attr(@fetchgithub_package) == "urls"
+
+    assert get_owner_repo(@fetchgit_package) ==
+             {@fetchgit_package, @fetchgit_package}
+
+    assert get_owner_repo(@fetchgithub_package) ==
+             {"Philip-Scott", String.capitalize(@fetchgithub_package)}
+  end
+end
diff --git a/pkgs/desktops/pantheon/nixpkgs_github_update/test/test_helper.exs b/pkgs/desktops/pantheon/nixpkgs_github_update/test/test_helper.exs
new file mode 100644
index 000000000000..869559e709ea
--- /dev/null
+++ b/pkgs/desktops/pantheon/nixpkgs_github_update/test/test_helper.exs
@@ -0,0 +1 @@
+ExUnit.start()

From 3d0006487200bb0c113c858679cb86d487695750 Mon Sep 17 00:00:00 2001
From: worldofpeace <worldofpeace@protonmail.ch>
Date: Sun, 22 Dec 2019 14:36:01 -0500
Subject: [PATCH 3/4] nixpkgs-github-update: don't malform header

---
 .../github_latest_version.ex                  | 27 +++++++++++++------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/pkgs/desktops/pantheon/nixpkgs_github_update/lib/nixpkgs_github_update/github_latest_version.ex b/pkgs/desktops/pantheon/nixpkgs_github_update/lib/nixpkgs_github_update/github_latest_version.ex
index 76dcc2d69976..bd4bb8100ba5 100644
--- a/pkgs/desktops/pantheon/nixpkgs_github_update/lib/nixpkgs_github_update/github_latest_version.ex
+++ b/pkgs/desktops/pantheon/nixpkgs_github_update/lib/nixpkgs_github_update/github_latest_version.ex
@@ -3,15 +3,9 @@ defmodule NixpkgsGitHubUpdate.GitHubLatestVersion do
 
   def fetch({owner, repo}) do
     endpoint = releases_endpoint(owner, repo)
+    headers = construct_headers()
 
-    oauth_token = String.to_charlist("#{System.get_env("OAUTH_TOKEN")}")
-
-    headers = %{
-      'User-Agent' => @user_agent,
-      'Authorization' => 'token #{oauth_token}'
-    }
-
-    :httpc.request(:get, {endpoint, Map.to_list(headers)}, [], [])
+    :httpc.request(:get, {endpoint, headers}, [], [])
     |> handle_response
   end
 
@@ -19,6 +13,23 @@ defmodule NixpkgsGitHubUpdate.GitHubLatestVersion do
     'https://api.github.com/repos/#{owner}/#{repo}/releases/latest'
   end
 
+  def construct_headers do
+    headers = %{'User-Agent' => @user_agent}
+
+    put_token(headers, get_token())
+    |> Map.to_list
+  end
+
+  defp get_token do
+    String.to_charlist("#{System.get_env("OAUTH_TOKEN")}")
+  end
+
+  defp put_token(headers, token) when is_binary(token) do
+    Map.put_new(headers, 'Authorization', 'token #{token}')
+  end
+
+  defp put_token(headers, _), do: headers
+
   def handle_response({_, {{_httpv, status_code, _}, _headers, response}}) do
     {
       status_code |> check_for_error(),

From 2dd7d4dd4458bc79e566979c2fa299f22770efcb Mon Sep 17 00:00:00 2001
From: worldofpeace <worldofpeace@protonmail.ch>
Date: Sun, 22 Dec 2019 18:19:30 -0500
Subject: [PATCH 4/4] treewide: pantheon updateScript

---
 pkgs/applications/audio/vocal/default.nix                 | 7 +++++++
 pkgs/applications/editors/quilter/default.nix             | 6 ++++++
 pkgs/applications/graphics/fondo/default.nix              | 7 +++++++
 pkgs/applications/graphics/ideogram/default.nix           | 6 ++++++
 pkgs/applications/misc/appeditor/default.nix              | 6 ++++++
 pkgs/applications/misc/cipher/default.nix                 | 6 ++++++
 pkgs/applications/misc/formatter/default.nix              | 6 ++++++
 pkgs/applications/misc/notejot/default.nix                | 6 ++++++
 pkgs/applications/misc/sequeler/default.nix               | 6 ++++++
 pkgs/applications/misc/tootle/default.nix                 | 6 ++++++
 .../networking/browsers/ephemeral/default.nix             | 6 ++++++
 .../networking/feedreaders/feedreader/default.nix         | 8 +++++++-
 pkgs/applications/networking/ftp/taxi/default.nix         | 6 ++++++
 pkgs/applications/networking/p2p/torrential/default.nix   | 6 ++++++
 pkgs/applications/networking/ping/default.nix             | 6 ++++++
 pkgs/applications/office/aesop/default.nix                | 6 ++++++
 pkgs/applications/office/envelope/default.nix             | 6 ++++++
 pkgs/applications/office/notes-up/default.nix             | 6 ++++++
 pkgs/applications/office/spice-up/default.nix             | 6 ++++++
 pkgs/applications/office/timetable/default.nix            | 6 ++++++
 pkgs/data/themes/adwaita-qt/default.nix                   | 8 +++++++-
 pkgs/development/libraries/qgnomeplatform/default.nix     | 8 +++++++-
 pkgs/misc/screensavers/light-locker/default.nix           | 6 ++++++
 pkgs/tools/misc/hashit/default.nix                        | 6 ++++++
 pkgs/tools/text/snippetpixie/default.nix                  | 6 ++++++
 25 files changed, 155 insertions(+), 3 deletions(-)

diff --git a/pkgs/applications/audio/vocal/default.nix b/pkgs/applications/audio/vocal/default.nix
index c26d8b6d3607..c928962c983c 100644
--- a/pkgs/applications/audio/vocal/default.nix
+++ b/pkgs/applications/audio/vocal/default.nix
@@ -58,6 +58,13 @@ stdenv.mkDerivation rec {
     webkitgtk
   ];
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
+
   meta = with stdenv.lib; {
     description = "The podcast client for the modern free desktop";
     longDescription = ''
diff --git a/pkgs/applications/editors/quilter/default.nix b/pkgs/applications/editors/quilter/default.nix
index d9c3bd0825de..61145e33cb1c 100644
--- a/pkgs/applications/editors/quilter/default.nix
+++ b/pkgs/applications/editors/quilter/default.nix
@@ -39,6 +39,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Focus on your writing - designed for elementary OS";
     homepage = https://github.com/lainsce/quilter;
diff --git a/pkgs/applications/graphics/fondo/default.nix b/pkgs/applications/graphics/fondo/default.nix
index e4dff59670a1..3df7ba493c0f 100644
--- a/pkgs/applications/graphics/fondo/default.nix
+++ b/pkgs/applications/graphics/fondo/default.nix
@@ -63,6 +63,13 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
+
   meta = with stdenv.lib; {
     description = "Find the most beautiful wallpapers for your desktop";
     homepage = https://github.com/calo001/fondo;
diff --git a/pkgs/applications/graphics/ideogram/default.nix b/pkgs/applications/graphics/ideogram/default.nix
index 36afe8dd3e00..ba5ee230ce4a 100644
--- a/pkgs/applications/graphics/ideogram/default.nix
+++ b/pkgs/applications/graphics/ideogram/default.nix
@@ -50,6 +50,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Insert emoji anywhere, even in non-native apps - designed for elementary OS";
     homepage = https://github.com/cassidyjames/ideogram;
diff --git a/pkgs/applications/misc/appeditor/default.nix b/pkgs/applications/misc/appeditor/default.nix
index 68cd91c1676a..cda75ac4c050 100644
--- a/pkgs/applications/misc/appeditor/default.nix
+++ b/pkgs/applications/misc/appeditor/default.nix
@@ -50,6 +50,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Edit the Pantheon desktop application menu";
     homepage = https://github.com/donadigo/appeditor;
diff --git a/pkgs/applications/misc/cipher/default.nix b/pkgs/applications/misc/cipher/default.nix
index ef47e3e03586..9265724c7d12 100644
--- a/pkgs/applications/misc/cipher/default.nix
+++ b/pkgs/applications/misc/cipher/default.nix
@@ -48,6 +48,12 @@ stdenv.mkDerivation rec {
     patchShebangs post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "A simple application for encoding and decoding text, designed for elementary OS";
     homepage = "https://github.com/arshubham/cipher";
diff --git a/pkgs/applications/misc/formatter/default.nix b/pkgs/applications/misc/formatter/default.nix
index 26478c7f2ed0..7cb1e7dfebba 100644
--- a/pkgs/applications/misc/formatter/default.nix
+++ b/pkgs/applications/misc/formatter/default.nix
@@ -61,6 +61,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "A simple formatter designed for elementary OS";
     homepage = "https://github.com/Djaler/Formatter";
diff --git a/pkgs/applications/misc/notejot/default.nix b/pkgs/applications/misc/notejot/default.nix
index da7775769d4b..b91f8018c57c 100644
--- a/pkgs/applications/misc/notejot/default.nix
+++ b/pkgs/applications/misc/notejot/default.nix
@@ -34,6 +34,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Stupidly-simple sticky notes applet";
     homepage = https://github.com/lainsce/notejot;
diff --git a/pkgs/applications/misc/sequeler/default.nix b/pkgs/applications/misc/sequeler/default.nix
index 4f8315f060a7..4199e198c53f 100644
--- a/pkgs/applications/misc/sequeler/default.nix
+++ b/pkgs/applications/misc/sequeler/default.nix
@@ -29,6 +29,12 @@ in stdenv.mkDerivation rec {
     patchShebangs build-aux/meson_post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Friendly SQL Client";
     longDescription = ''
diff --git a/pkgs/applications/misc/tootle/default.nix b/pkgs/applications/misc/tootle/default.nix
index 15c675c902fb..e619ab053e7d 100644
--- a/pkgs/applications/misc/tootle/default.nix
+++ b/pkgs/applications/misc/tootle/default.nix
@@ -62,6 +62,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Simple Mastodon client designed for elementary OS";
     homepage = https://github.com/bleakgrey/tootle;
diff --git a/pkgs/applications/networking/browsers/ephemeral/default.nix b/pkgs/applications/networking/browsers/ephemeral/default.nix
index d5a1063a688a..ce0617b8d3fd 100644
--- a/pkgs/applications/networking/browsers/ephemeral/default.nix
+++ b/pkgs/applications/networking/browsers/ephemeral/default.nix
@@ -54,6 +54,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "The always-incognito web browser";
     homepage = https://github.com/cassidyjames/ephemeral;
diff --git a/pkgs/applications/networking/feedreaders/feedreader/default.nix b/pkgs/applications/networking/feedreaders/feedreader/default.nix
index 350e96a94a75..c336d2d0bba6 100644
--- a/pkgs/applications/networking/feedreaders/feedreader/default.nix
+++ b/pkgs/applications/networking/feedreaders/feedreader/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, meson, ninja, pkgconfig, vala, gettext, python3
 , appstream-glib, desktop-file-utils, wrapGAppsHook, gnome-online-accounts, fetchpatch
-, gtk3, libgee, libpeas, librest, webkitgtk, gsettings-desktop-schemas
+, gtk3, libgee, libpeas, librest, webkitgtk, gsettings-desktop-schemas, pantheon
 , curl, glib, gnome3, gst_all_1, json-glib, libnotify, libsecret, sqlite, gumbo, libxml2
 }:
 
@@ -40,6 +40,12 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "A modern desktop application designed to complement existing web-based RSS accounts";
     homepage = https://jangernert.github.io/FeedReader/;
diff --git a/pkgs/applications/networking/ftp/taxi/default.nix b/pkgs/applications/networking/ftp/taxi/default.nix
index b18809f21bed..cb40c347e1cf 100644
--- a/pkgs/applications/networking/ftp/taxi/default.nix
+++ b/pkgs/applications/networking/ftp/taxi/default.nix
@@ -35,6 +35,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "The FTP Client that drives you anywhere";
     homepage    = https://github.com/Alecaddd/taxi;
diff --git a/pkgs/applications/networking/p2p/torrential/default.nix b/pkgs/applications/networking/p2p/torrential/default.nix
index 0ca5402d6dae..01da8a633742 100644
--- a/pkgs/applications/networking/p2p/torrential/default.nix
+++ b/pkgs/applications/networking/p2p/torrential/default.nix
@@ -50,6 +50,12 @@ stdenv.mkDerivation rec {
     pantheon.granite
   ];
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Download torrents in style with this speedy, minimalist torrent client for elementary OS";
     homepage = https://github.com/davidmhewitt/torrential;
diff --git a/pkgs/applications/networking/ping/default.nix b/pkgs/applications/networking/ping/default.nix
index 4d1d39a05c25..925618bbe991 100644
--- a/pkgs/applications/networking/ping/default.nix
+++ b/pkgs/applications/networking/ping/default.nix
@@ -49,6 +49,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "A helpful tool that lets you debug what part of your API is causing you issues";
     homepage = https://github.com/jeremyvaartjes/ping;
diff --git a/pkgs/applications/office/aesop/default.nix b/pkgs/applications/office/aesop/default.nix
index 5bb662453281..5b166711693a 100644
--- a/pkgs/applications/office/aesop/default.nix
+++ b/pkgs/applications/office/aesop/default.nix
@@ -46,6 +46,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "The simplest PDF viewer around";
     homepage = https://github.com/lainsce/aesop;
diff --git a/pkgs/applications/office/envelope/default.nix b/pkgs/applications/office/envelope/default.nix
index 9142fff9a2c2..bb85ae2e12b9 100644
--- a/pkgs/applications/office/envelope/default.nix
+++ b/pkgs/applications/office/envelope/default.nix
@@ -64,6 +64,12 @@ stdenv.mkDerivation rec {
     patchShebangs data/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Personal finance manager for elementary OS";
     homepage = "https://github.com/cjfloss/envelope";
diff --git a/pkgs/applications/office/notes-up/default.nix b/pkgs/applications/office/notes-up/default.nix
index e7db27bdedc7..6b8694a91d47 100644
--- a/pkgs/applications/office/notes-up/default.nix
+++ b/pkgs/applications/office/notes-up/default.nix
@@ -50,6 +50,12 @@ stdenv.mkDerivation rec {
   # Whether to build with contractor support (Pantheon specific)
   cmakeFlags = if withPantheon then null else [ "-Dnoele=yes" ];
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Markdown notes editor and manager designed for elementary OS"
     + stdenv.lib.optionalString withPantheon " - built with Contractor support";
diff --git a/pkgs/applications/office/spice-up/default.nix b/pkgs/applications/office/spice-up/default.nix
index 6c09cc1de472..07a3b26a1a85 100644
--- a/pkgs/applications/office/spice-up/default.nix
+++ b/pkgs/applications/office/spice-up/default.nix
@@ -60,6 +60,12 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Create simple and beautiful presentations";
     homepage = https://github.com/Philip-Scott/Spice-up;
diff --git a/pkgs/applications/office/timetable/default.nix b/pkgs/applications/office/timetable/default.nix
index bb13cae08f2f..c652f7656877 100644
--- a/pkgs/applications/office/timetable/default.nix
+++ b/pkgs/applications/office/timetable/default.nix
@@ -47,6 +47,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Plot out your own timetable for the week and organize it";
     homepage = "https://github.com/lainsce/timetable";
diff --git a/pkgs/data/themes/adwaita-qt/default.nix b/pkgs/data/themes/adwaita-qt/default.nix
index 16ccee8540bf..7428b5fab2fd 100644
--- a/pkgs/data/themes/adwaita-qt/default.nix
+++ b/pkgs/data/themes/adwaita-qt/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, cmake, ninja, qtbase }:
+{ mkDerivation, lib, fetchFromGitHub, cmake, ninja, qtbase, pantheon }:
 
 mkDerivation rec {
   pname = "adwaita-qt";
@@ -26,6 +26,12 @@ mkDerivation rec {
        --replace "DESTINATION \"\''${QT_PLUGINS_DIR}/styles" "DESTINATION \"$qtPluginPrefix/styles"
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with lib; {
     description = "A style to bend Qt applications to look like they belong into GNOME Shell";
     homepage = https://github.com/FedoraQt/adwaita-qt;
diff --git a/pkgs/development/libraries/qgnomeplatform/default.nix b/pkgs/development/libraries/qgnomeplatform/default.nix
index 564fc70f2b97..3626e15cfc75 100644
--- a/pkgs/development/libraries/qgnomeplatform/default.nix
+++ b/pkgs/development/libraries/qgnomeplatform/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, pkgconfig, gtk3, qtbase, qmake, qtx11extras }:
+{ mkDerivation, lib, fetchFromGitHub, pkgconfig, gtk3, qtbase, qmake, qtx11extras, pantheon }:
 
 mkDerivation rec {
   pname = "qgnomeplatform";
@@ -30,6 +30,12 @@ mkDerivation rec {
       --replace "\$\$[QT_INSTALL_PLUGINS]" "$out/$qtPluginPrefix"
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with lib; {
     description = "QPlatformTheme for a better Qt application inclusion in GNOME";
     homepage = https://github.com/FedoraQt/QGnomePlatform;
diff --git a/pkgs/misc/screensavers/light-locker/default.nix b/pkgs/misc/screensavers/light-locker/default.nix
index e3d3b109d1a9..9763949cf982 100644
--- a/pkgs/misc/screensavers/light-locker/default.nix
+++ b/pkgs/misc/screensavers/light-locker/default.nix
@@ -64,6 +64,12 @@ stdenv.mkDerivation rec {
     ${glib.dev}/bin/glib-compile-schemas $out/share/glib-2.0/schemas
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     homepage = https://github.com/the-cavalry/light-locker;
     description = "A simple session-locker for LightDM";
diff --git a/pkgs/tools/misc/hashit/default.nix b/pkgs/tools/misc/hashit/default.nix
index 0315750c2505..9a3ffe935102 100644
--- a/pkgs/tools/misc/hashit/default.nix
+++ b/pkgs/tools/misc/hashit/default.nix
@@ -33,6 +33,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "A simple app for checking usual checksums - Designed for elementary OS";
     homepage = https://github.com/artemanufrij/hashit;
diff --git a/pkgs/tools/text/snippetpixie/default.nix b/pkgs/tools/text/snippetpixie/default.nix
index 276fb6392053..585c183a81cb 100644
--- a/pkgs/tools/text/snippetpixie/default.nix
+++ b/pkgs/tools/text/snippetpixie/default.nix
@@ -64,6 +64,12 @@ stdenv.mkDerivation rec {
     patchShebangs meson/post_install.py
   '';
 
+  passthru = {
+    updateScript = pantheon.updateScript {
+      attrPath = pname;
+    };
+  };
+
   meta = with stdenv.lib; {
     description = "Your little expandable text snippet helper";
     longDescription = ''