uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/data/icons/hicolor-icon-theme/default.nix

@@ -0,0 +1,19 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "hicolor-icon-theme";
+  version = "0.17";
+
+  src = fetchurl {
+    url = "https://icon-theme.freedesktop.org/releases/hicolor-icon-theme-${version}.tar.xz";
+    sha256 = "1n59i3al3zx6p90ff0l43gzpzmlqnzm6hf5cryxqrlbi48sq8x1i";
+  };
+
+  setupHook = ./setup-hook.sh;
+
+  meta = with lib; {
+    description = "Default fallback theme used by implementations of the icon theme specification";
+    homepage = "https://icon-theme.freedesktop.org/releases/";
+    platforms = platforms.unix;
+  };
+}

pkgs/data/icons/hicolor-icon-theme/setup-hook.sh

@@ -0,0 +1,53 @@
+# shellcheck shell=bash
+
+# Populate XDG_ICON_DIRS
+hicolorIconThemeHook() {
+
+    # where to find icon themes
+    if [ -d "$1/share/icons" ]; then
+      addToSearchPath XDG_ICON_DIRS "$1/share"
+    fi
+}
+
+# I think this is meant to be a runtime dep
+addEnvHooks "${targetOffset:?}" 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)