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/desktops/plasma-5/plasma-desktop/default.nix

@@ -0,0 +1,48 @@
+{
+  mkDerivation, lib,
+  extra-cmake-modules, kdoctools,
+
+  boost, fontconfig, ibus, libXcursor, libXft, libcanberra_kde, libpulseaudio,
+  libxkbfile, xf86inputevdev, xf86inputsynaptics, xinput, xkeyboard_config,
+  xorgserver, util-linux,
+
+  accounts-qt, qtdeclarative, qtquickcontrols, qtquickcontrols2, qtsvg,
+  qtx11extras,
+
+  attica, baloo, kaccounts-integration, kactivities, kactivities-stats, kauth,
+  kcmutils, kdbusaddons, kdeclarative, kded, kdelibs4support, kemoticons,
+  kglobalaccel, ki18n, kitemmodels, knewstuff, knotifications, knotifyconfig,
+  kpeople, krunner, kscreenlocker, kwallet, kwin, phonon,
+  plasma-framework, plasma-workspace, qqc2-desktop-style, xf86inputlibinput
+}:
+
+mkDerivation {
+  pname = "plasma-desktop";
+  nativeBuildInputs = [ extra-cmake-modules kdoctools ];
+  buildInputs = [
+    boost fontconfig ibus libcanberra_kde libpulseaudio libXcursor libXft xorgserver
+    libxkbfile phonon xf86inputlibinput xf86inputevdev xf86inputsynaptics xinput
+    xkeyboard_config
+
+    accounts-qt qtdeclarative qtquickcontrols qtquickcontrols2 qtsvg qtx11extras
+
+    attica baloo kaccounts-integration kactivities kactivities-stats kauth
+    kcmutils kdbusaddons kdeclarative kded kdelibs4support kemoticons
+    kglobalaccel ki18n kitemmodels knewstuff knotifications knotifyconfig
+    kpeople krunner kscreenlocker kwallet kwin plasma-framework
+    plasma-workspace qqc2-desktop-style
+  ];
+
+  patches = [
+    ./hwclock-path.patch
+    ./tzdir.patch
+  ];
+  CXXFLAGS = [
+    ''-DNIXPKGS_HWCLOCK=\"${lib.getBin util-linux}/sbin/hwclock\"''
+  ];
+  postInstall = ''
+    # Display ~/Desktop contents on the desktop by default.
+    sed -i "''${!outputBin}/share/plasma/shells/org.kde.plasma.desktop/contents/defaults" \
+        -e 's/Containment=org.kde.desktopcontainment/Containment=org.kde.plasma.folder/'
+  '';
+}

pkgs/desktops/plasma-5/plasma-desktop/hwclock-path.patch

@@ -0,0 +1,24 @@
+Index: plasma-desktop-5.8.5/kcms/dateandtime/helper.cpp
+===================================================================
+--- plasma-desktop-5.8.5.orig/kcms/dateandtime/helper.cpp
++++ plasma-desktop-5.8.5/kcms/dateandtime/helper.cpp
+@@ -48,10 +48,6 @@
+ #include <sys/types.h>
+ #endif
+
+-// We cannot rely on the $PATH environment variable, because D-Bus activation
+-// clears it. So we have to use a reasonable default.
+-static const QString exePath = QStringLiteral("/usr/sbin:/usr/bin:/sbin:/bin");
+-
+ int ClockHelper::ntp(const QStringList &ntpServers, bool ntpEnabled)
+ {
+     int ret = 0;
+@@ -227,7 +223,7 @@ int ClockHelper::tzreset()
+ 
+ void ClockHelper::toHwclock()
+ {
+-    QString hwclock = QStandardPaths::findExecutable(QStringLiteral("hwclock"), exePath.split(QLatin1Char(':')));
++    QString hwclock = QLatin1String(NIXPKGS_HWCLOCK);
+     if (!hwclock.isEmpty()) {
+         KProcess::execute(hwclock, QStringList() << QStringLiteral("--systohc"));
+     }

pkgs/desktops/plasma-5/plasma-desktop/tzdir.patch

@@ -0,0 +1,18 @@
+Index: plasma-desktop-5.8.5/kcms/dateandtime/helper.cpp
+===================================================================
+--- plasma-desktop-5.8.5.orig/kcms/dateandtime/helper.cpp
++++ plasma-desktop-5.8.5/kcms/dateandtime/helper.cpp
+@@ -181,7 +181,12 @@ int ClockHelper::tz( const QString& sele
+ 
+     val = selectedzone;
+ #else
+-    QString tz = "/usr/share/zoneinfo/" + selectedzone;
++    QString tzdir = QString::fromLocal8Bit(qgetenv("TZDIR"));
++    QString tz = tzdir + "/" + selectedzone;
++    if (tzdir.isEmpty()) {
++      // Standard Linux path
++      tz = "/usr/share/zoneinfo/" + selectedzone;
++    }
+ 
+     if (QFile::exists(tz)) { // make sure the new TZ really exists
+         QFile::remove(QStringLiteral("/etc/localtime"));