From bbeb6ac387ad5aa933310a7572d8de4462bc356a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 13:39:03 -0300
Subject: [PATCH 01/27] hicolor-icon-theme: add hook to symlink inherited icon
 themes

---
 .../icons/hicolor-icon-theme/setup-hook.sh    | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/pkgs/data/icons/hicolor-icon-theme/setup-hook.sh b/pkgs/data/icons/hicolor-icon-theme/setup-hook.sh
index f07bab4b269f..9a6b5f405cab 100644
--- a/pkgs/data/icons/hicolor-icon-theme/setup-hook.sh
+++ b/pkgs/data/icons/hicolor-icon-theme/setup-hook.sh
@@ -11,3 +11,44 @@ hicolorIconThemeHook() {
 
 # I think this is meant to be a runtime dep
 addEnvHooks "${hostOffset:?}" hicolorIconThemeHook
+
+
+# Make symbolic links of parent icon themes that are inherited in the
+# icon themes installed by the package.
+symlinkParentIconThemes() {
+    if [ -e $out/share/icons ]; then
+        echo Symlinking parent icon themes...
+        local theme
+        local theme_name
+        local inheritance
+        local parent
+        local parent_theme
+        local dir
+        local parent_path
+        for theme in $out/share/icons/*/index.theme; do
+            theme_name="${theme%/*}"
+            theme_name="${theme_name##*/}"
+            echo "  theme: $theme_name"
+            inheritance=$(sed -rne 's,^Inherits=(.*)$,\1,p' $theme)
+            IFS=',' read -ra parent_themes <<< "$inheritance"
+            for parent_theme in "${parent_themes[@]}"; do
+                parent_path=""
+                if [ -e "$out/share/icons/$parent_theme" ]; then
+                    parent_path="$(realpath $out/share/icons/$parent_theme)"
+                else
+                    IFS=':' read -ra dirs <<< $XDG_ICON_DIRS
+                    for parent_dir in  "${dirs[@]}"; do
+                        if [ -e "$parent_dir/icons/$parent_theme/index.theme" ]; then
+                            parent_path=$(realpath "$parent_dir/icons/$parent_theme")
+                            ln -s "$parent_path" "$out/share/icons/"
+                            break
+                        fi
+                    done
+                fi
+                echo "    parent: $parent_theme	-> $parent_path"
+            done
+        done
+    fi
+}
+
+preFixupHooks+=(symlinkParentIconThemes)

From 368c4346428db3dd4b50384d591b3545cb55f65c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 16:21:11 -0300
Subject: [PATCH 02/27] arc-icon-theme: add missing parent icon themes

---
 pkgs/data/icons/arc-icon-theme/default.nix | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/pkgs/data/icons/arc-icon-theme/default.nix b/pkgs/data/icons/arc-icon-theme/default.nix
index a26064cdfa3b..ab80305d5285 100644
--- a/pkgs/data/icons/arc-icon-theme/default.nix
+++ b/pkgs/data/icons/arc-icon-theme/default.nix
@@ -1,20 +1,25 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, gtk3, moka-icon-theme, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, autoreconfHook, gtk3, gnome3, moka-icon-theme, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
-  name = "${package-name}-${version}";
-  package-name = "arc-icon-theme";
+  pname = "arc-icon-theme";
   version = "2016-11-22";
 
   src = fetchFromGitHub {
     owner = "horst3180";
-    repo = package-name;
+    repo = pname;
     rev = "55a575386a412544c3ed2b5617a61f842ee4ec15";
     sha256 = "1ch3hp08qri93510hypzz6m2x4xgg2h15wvnhjwh1x1s1b7jvxjd";
   };
 
-  nativeBuildInputs = [ autoreconfHook gtk3 moka-icon-theme ];
+  nativeBuildInputs = [
+    autoreconfHook
+    gtk3
+  ];
 
   propagatedBuildInputs = [
+    moka-icon-theme
+    gnome3.adwaita-icon-theme
+    gnome-icon-theme
     hicolor-icon-theme
   ];
 

From b491caea5aed613dad661f09044e11f831dc3329 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Thu, 16 Apr 2020 11:10:48 -0300
Subject: [PATCH 03/27] cinnamon.mint-y-icons: add missing parent icon themes

Also:
- add runHook calls
- move postFixup actions to installPhase
- gtk-update-icon-cache does accepts only one icon path
---
 pkgs/desktops/cinnamon/mint-y-icons/default.nix | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/pkgs/desktops/cinnamon/mint-y-icons/default.nix b/pkgs/desktops/cinnamon/mint-y-icons/default.nix
index d4415c4bf040..a7e22dc3d033 100644
--- a/pkgs/desktops/cinnamon/mint-y-icons/default.nix
+++ b/pkgs/desktops/cinnamon/mint-y-icons/default.nix
@@ -1,6 +1,7 @@
 { fetchFromGitHub
 , stdenv
 , gnome3
+, gnome-icon-theme
 , hicolor-icon-theme
 , gtk3
 }:
@@ -16,8 +17,9 @@ stdenv.mkDerivation rec {
     sha256 = "1c2a79ylk363i982czwwqcwc7cw6dyzlqphcypqm6nll7xlafq8s";
   };
 
-  propagatedUserEnvPkgs = [
+  propagatedBuildInputs = [
     gnome3.adwaita-icon-theme
+    gnome-icon-theme
     hicolor-icon-theme
   ];
 
@@ -25,15 +27,19 @@ stdenv.mkDerivation rec {
     gtk3
   ];
 
-  postFixup =  ''
-    gtk-update-icon-cache $out/share/icons/*
-  '';
-
   dontDropIconThemeCache = true;
 
   installPhase = ''
+    runHook preInstall
+
     mkdir -p $out
     mv usr/share $out
+
+    for theme in $out/share/icons/*; do
+      gtk-update-icon-cache $theme
+    done
+
+    runHook postInstall
   '';
 
   meta = with stdenv.lib; {

From b097c95dc7873178ac9725635e524c791f2bd1fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 16:43:40 -0300
Subject: [PATCH 04/27] deepin.deepin-icon-theme: add missing parent icon
 themes

---
 pkgs/desktops/deepin/deepin-icon-theme/default.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pkgs/desktops/deepin/deepin-icon-theme/default.nix b/pkgs/desktops/deepin/deepin-icon-theme/default.nix
index 5845e77f57c7..b6eb3cce26d7 100644
--- a/pkgs/desktops/deepin/deepin-icon-theme/default.nix
+++ b/pkgs/desktops/deepin/deepin-icon-theme/default.nix
@@ -13,9 +13,8 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ gtk3 xcursorgen ];
 
-  buildInputs = [ papirus-icon-theme ];
-
   propagatedBuildInputs = [
+    papirus-icon-theme
     hicolor-icon-theme
   ];
 

From 7be06c67f8c262a37cf6ae5deca426909c8737ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 16:59:07 -0300
Subject: [PATCH 05/27] elementary-xfce-icon-theme: add missing parent icon
 themes

---
 .../icons/elementary-xfce-icon-theme/default.nix    | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/pkgs/data/icons/elementary-xfce-icon-theme/default.nix b/pkgs/data/icons/elementary-xfce-icon-theme/default.nix
index 3aebf09554c3..3a82c3132964 100644
--- a/pkgs/data/icons/elementary-xfce-icon-theme/default.nix
+++ b/pkgs/data/icons/elementary-xfce-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, pkgconfig, gdk-pixbuf, optipng, librsvg, gtk3, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, pkgconfig, gdk-pixbuf, optipng, librsvg, gtk3, pantheon, gnome3, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "elementary-xfce-icon-theme";
@@ -11,9 +11,18 @@ stdenv.mkDerivation rec {
     sha256 = "1f6qvpzxz759znishmr4b22n540y18glv41wmy91r78sa4g6x4sh";
   };
 
-  nativeBuildInputs = [ pkgconfig gdk-pixbuf librsvg optipng gtk3 ];
+  nativeBuildInputs = [
+    pkgconfig
+    gdk-pixbuf
+    librsvg
+    optipng
+    gtk3
+  ];
 
   propagatedBuildInputs = [
+    pantheon.elementary-icon-theme
+    gnome3.adwaita-icon-theme
+    gnome-icon-theme
     hicolor-icon-theme
   ];
 

From 6660106c72d7ec95af80b4538adbddb3eccf626f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Thu, 16 Apr 2020 11:23:36 -0300
Subject: [PATCH 06/27] enlightenment.efl: add missing parent icon themes

---
 pkgs/desktops/enlightenment/efl.nix | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/pkgs/desktops/enlightenment/efl.nix b/pkgs/desktops/enlightenment/efl.nix
index 7bf280cb99b5..d3b0e43e4764 100644
--- a/pkgs/desktops/enlightenment/efl.nix
+++ b/pkgs/desktops/enlightenment/efl.nix
@@ -1,12 +1,11 @@
 { stdenv, fetchurl, meson, ninja, pkgconfig, SDL, SDL2, alsaLib,
   avahi, bullet, check, curl, dbus, doxygen, expat, fontconfig,
   freetype, fribidi, ghostscript, giflib, glib, gst_all_1, gtk3,
-  harfbuzz, ibus, jbig2dec, libGL, libdrm, libinput, libjpeg, libpng,
-  libpulseaudio, libraw, librsvg, libsndfile, libspectre, libtiff,
-  libwebp, libxkbcommon, luajit, lz4, mesa, openjpeg, openssl,
-  poppler, python27Packages, systemd, udev, utillinux, writeText,
-  xorg, zlib
-}:
+  harfbuzz, hicolor-icon-theme, ibus, jbig2dec, libGL, libdrm,
+  libinput, libjpeg, libpng, libpulseaudio, libraw, librsvg,
+  libsndfile, libspectre, libtiff, libwebp, libxkbcommon, luajit, lz4,
+  mesa, openjpeg, openssl, poppler, python27Packages, systemd, udev,
+  utillinux, writeText, xorg, zlib }:
 
 stdenv.mkDerivation rec {
   pname = "efl";
@@ -51,6 +50,7 @@ stdenv.mkDerivation rec {
     xorg.libXcursor
     xorg.xorgproto
     zlib
+    # still missing parent icon themes: Mint-X, RAVE-X, Faenza
   ];
 
   propagatedBuildInputs = [
@@ -95,6 +95,8 @@ stdenv.mkDerivation rec {
     xorg.xcbutilkeysyms
   ];
 
+  dontDropIconThemeCache = true;
+
   mesonFlags = [
     "--buildtype=release"
     "-D build-tests=false" # disable build tests, which are not working

From e96ef4324856ec8db6959f9fba4341051c451cf4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:57:37 -0300
Subject: [PATCH 07/27] faba-icon-theme: add missing parent icon themes

---
 pkgs/data/icons/faba-icon-theme/default.nix | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pkgs/data/icons/faba-icon-theme/default.nix b/pkgs/data/icons/faba-icon-theme/default.nix
index e1e070c58be7..9df47f8faa7c 100644
--- a/pkgs/data/icons/faba-icon-theme/default.nix
+++ b/pkgs/data/icons/faba-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, meson, ninja, python3, gtk3, pantheon, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, meson, ninja, python3, gtk3, pantheon, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   name = "${package-name}-${version}";
@@ -12,9 +12,16 @@ stdenv.mkDerivation rec {
     sha256 = "0xh6ppr73p76z60ym49b4d0liwdc96w41cc5p07d48hxjsa6qd6n";
   };
 
-  nativeBuildInputs = [ meson ninja python3 gtk3 pantheon.elementary-icon-theme ];
+  nativeBuildInputs = [
+    meson
+    ninja
+    python3
+    gtk3
+  ];
 
   propagatedBuildInputs = [
+    pantheon.elementary-icon-theme
+    gnome-icon-theme
     hicolor-icon-theme
   ];
 

From 15a739dfa78dba895d364896649431b462c6b9bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:56:56 -0300
Subject: [PATCH 08/27] faba-mono-icons: add missing parent icon themes

---
 pkgs/data/icons/faba-mono-icons/default.nix | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/pkgs/data/icons/faba-mono-icons/default.nix b/pkgs/data/icons/faba-mono-icons/default.nix
index 19d58eeff6f3..e403ba753ecc 100644
--- a/pkgs/data/icons/faba-mono-icons/default.nix
+++ b/pkgs/data/icons/faba-mono-icons/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, gtk3, moka-icon-theme, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, autoreconfHook, gtk3, moka-icon-theme, faba-icon-theme, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "faba-mono-icons";
@@ -11,15 +11,21 @@ stdenv.mkDerivation rec {
     sha256 = "0nisfl92y6hrbakp9qxi0ygayl6avkzrhwirg6854bwqjy2dvjv9";
   };
 
-  nativeBuildInputs = [ autoreconfHook gtk3 moka-icon-theme ];
+  nativeBuildInputs = [
+    autoreconfHook
+    gtk3
+  ];
 
   propagatedBuildInputs = [
+    moka-icon-theme
+    faba-icon-theme
+    gnome-icon-theme
     hicolor-icon-theme
   ];
 
   dontDropIconThemeCache = true;
 
-  postFixup = ''
+  postInstall = ''
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done

From 58362a4b1bb5adf99383de7dc630e878e145e9a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:56:28 -0300
Subject: [PATCH 09/27] flat-remix-icon-theme: add missing parent icon themes

---
 .../icons/flat-remix-icon-theme/default.nix   | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/pkgs/data/icons/flat-remix-icon-theme/default.nix b/pkgs/data/icons/flat-remix-icon-theme/default.nix
index 90c14ef7d057..b0b115f096f2 100644
--- a/pkgs/data/icons/flat-remix-icon-theme/default.nix
+++ b/pkgs/data/icons/flat-remix-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub , gtk3 }:
+{ stdenv, fetchFromGitHub , gtk3, breeze-icons, pantheon, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec  {
   pname = "flat-remix-icon-theme";
@@ -11,14 +11,23 @@ stdenv.mkDerivation rec  {
     sha256 = "14n5wydhd5ifmsbj770s2qg2ksd3xa3m61qxydid6jq39k0lxbd8";
   };
 
-  nativeBuildInputs = [ gtk3 ];
+  nativeBuildInputs = [
+    gtk3
+  ];
+
+  propagatedBuildInputs = [
+    breeze-icons
+    pantheon.elementary-icon-theme
+    gnome-icon-theme
+    hicolor-icon-theme
+  ];
+
+  dontDropIconThemeCache = true;
 
   installPhase = ''
     mkdir -p $out/share/icons
     mv Flat-Remix* $out/share/icons/
-  '';
 
-  postFixup = ''
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done
@@ -31,4 +40,4 @@ stdenv.mkDerivation rec  {
     platforms = platforms.linux;
     maintainers = with maintainers; [ mschneider ];
   };
-}
\ No newline at end of file
+}

From 50c048f9377ffa1629b01c79e22897892f6b3c49 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 17:12:18 -0300
Subject: [PATCH 10/27] gnome3.adwaita-icon-theme: do not drop icon theme cache

---
 pkgs/desktops/gnome-3/core/adwaita-icon-theme/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/desktops/gnome-3/core/adwaita-icon-theme/default.nix b/pkgs/desktops/gnome-3/core/adwaita-icon-theme/default.nix
index 6eafa874b836..827fd1cd96a7 100644
--- a/pkgs/desktops/gnome-3/core/adwaita-icon-theme/default.nix
+++ b/pkgs/desktops/gnome-3/core/adwaita-icon-theme/default.nix
@@ -17,6 +17,8 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig intltool iconnamingutils gtk3 ];
 
+  dontDropIconThemeCache = true;
+
   # remove a tree of dirs with no files within
   postInstall = '' rm -rf "$out/locale" '';
 

From 580b886a069d5c938337f21ba655f62354992e70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:50:39 -0300
Subject: [PATCH 11/27] gnome3.gnome-themes-extra: add missing parent icon
 themes

---
 .../desktops/gnome-3/core/gnome-themes-extra/default.nix | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/pkgs/desktops/gnome-3/core/gnome-themes-extra/default.nix b/pkgs/desktops/gnome-3/core/gnome-themes-extra/default.nix
index 9cbac8c74277..fa2f4921fd91 100644
--- a/pkgs/desktops/gnome-3/core/gnome-themes-extra/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-themes-extra/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, intltool, gtk3, gnome3, librsvg, pkgconfig, pango, atk, gtk2
-, gdk-pixbuf }:
+, gdk-pixbuf, hicolor-icon-theme }:
 
 let
   pname = "gnome-themes-extra";
@@ -19,9 +19,12 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ pkgconfig intltool ];
-  buildInputs = [ gtk3 librsvg pango atk gtk2 gdk-pixbuf gnome3.adwaita-icon-theme ];
+  buildInputs = [ gtk3 librsvg pango atk gtk2 gdk-pixbuf ];
+  propagatedBuildInputs = [ gnome3.adwaita-icon-theme hicolor-icon-theme ];
 
-  postFixup = ''
+  dontDropIconThemeCache = true;
+
+  postInstall = ''
     gtk-update-icon-cache "$out"/share/icons/HighContrast
   '';
 

From 4136a5f1374eccaa9244751eb3bef03f14198dc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:55:31 -0300
Subject: [PATCH 12/27] iconpack-jade: add missing parent icon themes

---
 pkgs/data/icons/iconpack-jade/default.nix | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/pkgs/data/icons/iconpack-jade/default.nix b/pkgs/data/icons/iconpack-jade/default.nix
index 1b42c1af6125..1bfa8092a322 100644
--- a/pkgs/data/icons/iconpack-jade/default.nix
+++ b/pkgs/data/icons/iconpack-jade/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gtk3, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, gtk3, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "iconpack-jade";
@@ -13,16 +13,14 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ gtk3 ];
 
-  propagatedBuildInputs = [ hicolor-icon-theme ];
+  propagatedBuildInputs = [ gnome-icon-theme hicolor-icon-theme ];
 
   dontDropIconThemeCache = true;
 
   installPhase = ''
-     mkdir -p $out/share/icons
-     cp -a Jade* $out/share/icons
-  '';
+    mkdir -p $out/share/icons
+    cp -a Jade* $out/share/icons
 
-  postFixup = ''
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done

From c280bf92fd7730d1e5c06697f153fae4f3f141a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:55:03 -0300
Subject: [PATCH 13/27] iconpack-obsidian: add missing parent icon themes

---
 pkgs/data/icons/iconpack-obsidian/default.nix | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/pkgs/data/icons/iconpack-obsidian/default.nix b/pkgs/data/icons/iconpack-obsidian/default.nix
index c954af9e83dc..ae8c127381b1 100644
--- a/pkgs/data/icons/iconpack-obsidian/default.nix
+++ b/pkgs/data/icons/iconpack-obsidian/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gtk3, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, gtk3, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "iconpack-obsidian";
@@ -13,16 +13,15 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ gtk3 ];
 
-  propagatedBuildInputs = [ hicolor-icon-theme ];
+  propagatedBuildInputs = [ gnome-icon-theme hicolor-icon-theme ];
+  # still missing parent themes: Ambiant-MATE, Mint-X, Faenza-Dark, KFaenza
 
   dontDropIconThemeCache = true;
 
   installPhase = ''
-     mkdir -p $out/share/icons
-     mv Obsidian* $out/share/icons
-  '';
+    mkdir -p $out/share/icons
+    mv Obsidian* $out/share/icons
 
-  postFixup = ''
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done

From 9bcc3d83a9e1ea1964f9b7f60a6d97a94667e4bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:54:27 -0300
Subject: [PATCH 14/27] maia-icon-theme: move postFixup actions to postInstall

---
 pkgs/data/icons/maia-icon-theme/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/data/icons/maia-icon-theme/default.nix b/pkgs/data/icons/maia-icon-theme/default.nix
index fbde3a428c0f..ee539981fbca 100644
--- a/pkgs/data/icons/maia-icon-theme/default.nix
+++ b/pkgs/data/icons/maia-icon-theme/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
 
   dontDropIconThemeCache = true;
 
-  postFixup = ''
+  postInstall = ''
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done

From b6f046f725877953934e66a9139a2e727e72f453 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:48:46 -0300
Subject: [PATCH 15/27] mate.mate-icon-theme-faenza: add missing parent icon
 themes

---
 pkgs/desktops/mate/mate-icon-theme-faenza/default.nix | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/pkgs/desktops/mate/mate-icon-theme-faenza/default.nix b/pkgs/desktops/mate/mate-icon-theme-faenza/default.nix
index 26d8f86985b9..a429e1e66e3d 100644
--- a/pkgs/desktops/mate/mate-icon-theme-faenza/default.nix
+++ b/pkgs/desktops/mate/mate-icon-theme-faenza/default.nix
@@ -11,11 +11,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook gtk3 ];
 
-  buildInputs = [ mate.mate-icon-theme ];
-
-  propagatedBuildInputs = [
-    hicolor-icon-theme
-  ];
+  propagatedBuildInputs = [ mate.mate-icon-theme hicolor-icon-theme ];
 
   dontDropIconThemeCache = true;
 

From 15f823ebd6ff51fe2d91b2bb95ed3afc8442b718 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 15:43:23 -0300
Subject: [PATCH 16/27] moka-icon-theme: add hook to symlink inherited icon
 themes

---
 pkgs/data/icons/moka-icon-theme/default.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkgs/data/icons/moka-icon-theme/default.nix b/pkgs/data/icons/moka-icon-theme/default.nix
index 33798f7b01d8..d481f2df8d6e 100644
--- a/pkgs/data/icons/moka-icon-theme/default.nix
+++ b/pkgs/data/icons/moka-icon-theme/default.nix
@@ -11,9 +11,15 @@ stdenv.mkDerivation rec {
     sha256 = "015l02im4mha5z91dbchxf6xkp66d346bg3xskwg0rh3lglhjsrd";
   };
 
-  nativeBuildInputs = [ meson ninja gtk3 python3 faba-icon-theme ];
+  nativeBuildInputs = [
+    meson
+    ninja
+    gtk3
+    python3
+  ];
 
   propagatedBuildInputs = [
+    faba-icon-theme
     hicolor-icon-theme
   ];
 

From bc895be32cdd0d21fc6de0fce51aa2c68bb55fc5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:53:38 -0300
Subject: [PATCH 17/27] numix-icon-theme: add missing parent icon themes

---
 pkgs/data/icons/numix-icon-theme/default.nix | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/pkgs/data/icons/numix-icon-theme/default.nix b/pkgs/data/icons/numix-icon-theme/default.nix
index 46c61d861a32..56bb2f3808fb 100644
--- a/pkgs/data/icons/numix-icon-theme/default.nix
+++ b/pkgs/data/icons/numix-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gtk3, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, gtk3, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "numix-icon-theme";
@@ -13,18 +13,14 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ gtk3 ];
 
-  propagatedBuildInputs = [
-    hicolor-icon-theme
-  ];
+  propagatedBuildInputs = [ gnome-icon-theme hicolor-icon-theme ];
 
   dontDropIconThemeCache = true;
 
   installPhase = ''
     mkdir -p $out/share/icons
     cp -a Numix{,-Light} $out/share/icons/
-  '';
 
-  postFixup = ''
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done

From 06f4e69de0a26143f3e4bf7f58815627a4e193e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Thu, 16 Apr 2020 09:29:46 -0300
Subject: [PATCH 18/27] numix-icon-theme-circle: add missing parent icon themes

Also:
- add runHook calls
- move postFixup actions to installPhase
---
 .../data/icons/numix-icon-theme-circle/default.nix | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/pkgs/data/icons/numix-icon-theme-circle/default.nix b/pkgs/data/icons/numix-icon-theme-circle/default.nix
index a22b97ec1e71..3c991cf1fc83 100644
--- a/pkgs/data/icons/numix-icon-theme-circle/default.nix
+++ b/pkgs/data/icons/numix-icon-theme-circle/default.nix
@@ -13,18 +13,16 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ gtk3 ];
 
-  buildInputs = [ numix-icon-theme ];
-
-  propagatedBuildInputs = [ hicolor-icon-theme ];
+  propagatedBuildInputs = [ numix-icon-theme hicolor-icon-theme ];
 
   dontDropIconThemeCache = true;
 
   installPhase = ''
-    install -dm 755 $out/share/icons
-    cp -dr --no-preserve='ownership' Numix-Circle{,-Light} $out/share/icons/
-  '';
+    runHook preInstall
+
+    mkdir -p $out/share/icons
+    cp -a Numix-Circle{,-Light} $out/share/icons
 
-  postFixup = ''
     for panel in $out/share/icons/*/*/panel; do
       ln -sf $(realpath ${numix-icon-theme}/share/icons/Numix/16/$(readlink $panel)) $panel
     done
@@ -32,6 +30,8 @@ stdenv.mkDerivation rec {
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done
+
+    runHook postInstall
   '';
 
   meta = with stdenv.lib; {

From 24f9d150bc75660f5bb215e09a588f6163f6f5d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Thu, 16 Apr 2020 09:47:57 -0300
Subject: [PATCH 19/27] numix-icon-theme-square: add missing parent icon themes

Also:
- add runHook calls
- move postFixup actions to installPhase
---
 pkgs/data/icons/numix-icon-theme-square/default.nix | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/pkgs/data/icons/numix-icon-theme-square/default.nix b/pkgs/data/icons/numix-icon-theme-square/default.nix
index 92a3ce9091a5..9cebdc331065 100644
--- a/pkgs/data/icons/numix-icon-theme-square/default.nix
+++ b/pkgs/data/icons/numix-icon-theme-square/default.nix
@@ -13,18 +13,16 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ gtk3 ];
 
-  buildInputs = [ numix-icon-theme ];
-
-  propagatedBuildInputs = [ hicolor-icon-theme ];
+  propagatedBuildInputs = [ numix-icon-theme hicolor-icon-theme ];
 
   dontDropIconThemeCache = true;
 
   installPhase = ''
+    runHook preInstall
+
     mkdir -p $out/share/icons
-    cp -a Numix-Square{,-Light} $out/share/icons/
-  '';
+    cp -a Numix-Square{,-Light} $out/share/icons
 
-  postFixup = ''
     for panel in $out/share/icons/*/*/panel; do
       ln -sf $(realpath ${numix-icon-theme}/share/icons/Numix/16/$(readlink $panel)) $panel
     done
@@ -32,6 +30,8 @@ stdenv.mkDerivation rec {
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done
+
+    runHook postInstall
   '';
 
   meta = with stdenv.lib; {

From cfa675306b616edb75075c86c15ee260f9dadf2d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:53:19 -0300
Subject: [PATCH 20/27] paper-icon-theme: add missing parent icon themes

---
 pkgs/data/icons/paper-icon-theme/default.nix | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pkgs/data/icons/paper-icon-theme/default.nix b/pkgs/data/icons/paper-icon-theme/default.nix
index 1531bdf2af83..585190a7b382 100644
--- a/pkgs/data/icons/paper-icon-theme/default.nix
+++ b/pkgs/data/icons/paper-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, meson, ninja, gtk3, python3, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, meson, ninja, gtk3, python3, gnome3, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "paper-icon-theme";
@@ -11,9 +11,16 @@ stdenv.mkDerivation rec {
     sha256 = "0x45zkjnmbz904df63ph06npbm3phpgck4xwyymx8r8jgrfplk6v";
   };
 
-  nativeBuildInputs = [ meson ninja gtk3 python3 ];
+  nativeBuildInputs = [
+    meson
+    ninja
+    gtk3
+    python3
+  ];
 
   propagatedBuildInputs = [
+    gnome3.adwaita-icon-theme
+    gnome-icon-theme
     hicolor-icon-theme
   ];
 

From 1aac597a51fd21cb8e8639566753c73c0574a3c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:52:55 -0300
Subject: [PATCH 21/27] papirus-icon-theme: add missing parent icon themes

---
 .../data/icons/papirus-icon-theme/default.nix | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/pkgs/data/icons/papirus-icon-theme/default.nix b/pkgs/data/icons/papirus-icon-theme/default.nix
index d01410f28da5..b47c01d973eb 100644
--- a/pkgs/data/icons/papirus-icon-theme/default.nix
+++ b/pkgs/data/icons/papirus-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gtk3, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, gtk3, pantheon, breeze-icons, gnome-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "papirus-icon-theme";
@@ -11,18 +11,23 @@ stdenv.mkDerivation rec {
     sha256 = "0qv4340avm5s0640r8aznbfwjzvm6k64840qggyg9jfcy6223pdy";
   };
 
-  nativeBuildInputs = [ gtk3 ];
+  nativeBuildInputs = [
+    gtk3
+  ];
 
-  propagatedBuildInputs = [ hicolor-icon-theme ];
+  propagatedBuildInputs = [
+    pantheon.elementary-icon-theme
+    breeze-icons
+    gnome-icon-theme
+    hicolor-icon-theme
+  ];
 
   dontDropIconThemeCache = true;
 
   installPhase = ''
-     mkdir -p $out/share/icons
-     mv {,e}Papirus* $out/share/icons
-  '';
+    mkdir -p $out/share/icons
+    mv {,e}Papirus* $out/share/icons
 
-  postFixup = ''
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done

From 7cd86ce7a13ff22a9c3bcbfc78bcf64375fd748f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Thu, 16 Apr 2020 10:38:23 -0300
Subject: [PATCH 22/27] papirus-maia-icon-theme: add missing parent icon themes

Also:
- move postFixup actions to postInstallPhase
---
 pkgs/data/icons/papirus-maia-icon-theme/default.nix | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/pkgs/data/icons/papirus-maia-icon-theme/default.nix b/pkgs/data/icons/papirus-maia-icon-theme/default.nix
index a90182cc8d78..4cfe50d7836b 100644
--- a/pkgs/data/icons/papirus-maia-icon-theme/default.nix
+++ b/pkgs/data/icons/papirus-maia-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, gtk3 }:
+{ stdenv, fetchFromGitHub, cmake, gtk3, breeze-icons, gnome-icon-theme, papirus-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "papirus-maia-icon-theme";
@@ -16,11 +16,20 @@ stdenv.mkDerivation rec {
     gtk3
   ];
 
+  propagatedBuildInputs = [
+    breeze-icons
+    gnome-icon-theme
+    papirus-icon-theme
+    hicolor-icon-theme
+  ];
+
+  dontDropIconThemeCache = true;
+
   postPatch = ''
     substituteInPlace CMakeLists.txt --replace /usr "$out"
   '';
 
-  postFixup = ''
+  postInstall = ''
     for theme in $out/share/icons/*; do
       gtk-update-icon-cache $theme
     done

From 0c859757b22871304bc89ca12a91d9e90899c133 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:52:26 -0300
Subject: [PATCH 23/27] qogir-icon-theme: add missing parent icon themes

---
 pkgs/data/icons/qogir-icon-theme/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/data/icons/qogir-icon-theme/default.nix b/pkgs/data/icons/qogir-icon-theme/default.nix
index 641b3da883e8..fa52ad176d98 100644
--- a/pkgs/data/icons/qogir-icon-theme/default.nix
+++ b/pkgs/data/icons/qogir-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gtk3 }:
+{ stdenv, fetchFromGitHub, gtk3, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "qogir-icon-theme";
@@ -13,6 +13,8 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ gtk3 ];
 
+  propagatedBuildInputs = [ hicolor-icon-theme ];
+
   dontDropIconThemeCache = true;
 
   installPhase = ''

From cc4f55431dcfc3d013ea67293d42f024bfbdbc5d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:52:06 -0300
Subject: [PATCH 24/27] tango-icon-theme: add missing parent icon themes

---
 pkgs/data/icons/tango-icon-theme/default.nix | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/pkgs/data/icons/tango-icon-theme/default.nix b/pkgs/data/icons/tango-icon-theme/default.nix
index fe749598495d..f1b59c2f5386 100644
--- a/pkgs/data/icons/tango-icon-theme/default.nix
+++ b/pkgs/data/icons/tango-icon-theme/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, intltool, pkgconfig, iconnamingutils, imagemagick, librsvg
-, gtk/*any version*/, hicolor-icon-theme
+, gtk/*any version*/, gnome-icon-theme, hicolor-icon-theme
 }:
 
 stdenv.mkDerivation rec {
@@ -14,10 +14,8 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ intltool iconnamingutils imagemagick librsvg ];
-
-  propagatedBuildInputs = [
-    hicolor-icon-theme
-  ];
+  propagatedBuildInputs = [ gnome-icon-theme hicolor-icon-theme ];
+  # still missing parent icon themes: cristalsvg
 
   dontDropIconThemeCache = true;
 

From 5dd4e8900d8e274d694fff6112477da12daac889 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Thu, 16 Apr 2020 09:05:03 -0300
Subject: [PATCH 25/27] xfce.xfce4-icon-theme: add missing parent icon themes

Also:
- replace gtk2 by gtk3
- intltool and gtk are native build dependences
---
 pkgs/desktops/xfce/art/xfce4-icon-theme.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/desktops/xfce/art/xfce4-icon-theme.nix b/pkgs/desktops/xfce/art/xfce4-icon-theme.nix
index e614bb1db921..526b70305917 100644
--- a/pkgs/desktops/xfce/art/xfce4-icon-theme.nix
+++ b/pkgs/desktops/xfce/art/xfce4-icon-theme.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, gtk3, xfce }:
+{ stdenv, fetchurl, pkgconfig, intltool, gtk3, gnome-icon-theme, tango-icon-theme, hicolor-icon-theme, xfce }:
 
 let
   category = "art";
@@ -19,6 +19,15 @@ stdenv.mkDerivation rec {
     gtk3
   ];
 
+  buildInputs = [
+    gnome-icon-theme
+    tango-icon-theme
+    hicolor-icon-theme
+    # missing parent icon theme Industrial
+  ];
+
+  dontDropIconThemeCache = true;
+
   passthru.updateScript = xfce.updateScript {
     inherit pname version;
     attrPath = "xfce.${pname}";

From b267955aa7456f2de4e02fbc7e34824444ab275d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Thu, 16 Apr 2020 10:50:49 -0300
Subject: [PATCH 26/27] yaru-theme: add missing parent icon themes

---
 pkgs/data/themes/yaru/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/data/themes/yaru/default.nix b/pkgs/data/themes/yaru/default.nix
index 9e56326b2eb6..bc9e4de5a672 100644
--- a/pkgs/data/themes/yaru/default.nix
+++ b/pkgs/data/themes/yaru/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, meson, sassc, pkg-config, glib, ninja,
-  python3, gtk3, gnome3, gtk-engine-murrine }:
+  python3, gtk3, gnome3, gtk-engine-murrine, humanity-icon-theme, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "yaru";
@@ -14,9 +14,12 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ meson sassc pkg-config glib ninja python3 ];
   buildInputs = [ gtk3 gnome3.gnome-themes-extra ];
+  propagatedBuildInputs = [ humanity-icon-theme hicolor-icon-theme ];
 
   propagatedUserEnvPkgs = [ gtk-engine-murrine ];
 
+  dontDropIconThemeCache = true;
+
   postPatch = "patchShebangs .";
 
   meta = with stdenv.lib; {

From 4d92e1b32d6abf62b2eb97a8df2ad682daead525 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Fri, 17 Apr 2020 20:51:41 -0300
Subject: [PATCH 27/27] zafiro-icons: add missing parent icon themes

---
 pkgs/data/icons/zafiro-icons/default.nix | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pkgs/data/icons/zafiro-icons/default.nix b/pkgs/data/icons/zafiro-icons/default.nix
index 5bd61b0866a4..a8dc4539a7dd 100644
--- a/pkgs/data/icons/zafiro-icons/default.nix
+++ b/pkgs/data/icons/zafiro-icons/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gtk3, hicolor-icon-theme }:
+{ stdenv, fetchFromGitHub, gtk3, breeze-icons, gnome-icon-theme, numix-icon-theme, numix-icon-theme-circle, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "zafiro-icons";
@@ -11,10 +11,17 @@ stdenv.mkDerivation rec {
     sha256 = "05h8qm9izjbp8pnl9jpbw3y9sddhp0zmg94fm1k4d4hhdqnakqhv";
   };
 
-  nativeBuildInputs = [ gtk3 ];
+  nativeBuildInputs = [
+    gtk3
+  ];
 
   propagatedBuildInputs = [
+    breeze-icons
+    gnome-icon-theme
+    numix-icon-theme
+    numix-icon-theme-circle
     hicolor-icon-theme
+    # still missing parent icon themes: Surfn
   ];
 
   dontDropIconThemeCache = true;