Merge staging-next into staging

2023-02-15 00:02:50 +00:00 · 2023-02-15 00:02:50 +00:00 · 58cfebde3e
parent 09d09e9828 7eb730a25d
commit 58cfebde3e
167 changed files with 1458 additions and 1290 deletions
--- a/nixos/doc/manual/release-notes/rl-2305.section.md
+++ b/nixos/doc/manual/release-notes/rl-2305.section.md
@ -10,6 +10,8 @@ In addition to numerous new and upgraded packages, this release has the followin

 - Cinnamon has been updated to 5.6, see [the pull request](https://github.com/NixOS/nixpkgs/pull/201328#issue-1449910204) for what is changed.

+- KDE Plasma has been updated to v5.27, see [the release notes](https://kde.org/announcements/plasma/5/5.27.0/) for what is changed.
+
 - `nixos-rebuild` now supports an extra `--specialisation` option that can be used to change specialisation for `switch` and `test` commands.

 ## New Services {#sec-release-23.05-new-services}
--- a/nixos/modules/services/web-apps/akkoma.md
+++ b/nixos/modules/services/web-apps/akkoma.md
@ -152,7 +152,7 @@ services.akkoma.config.":pleroma".":media_preview_proxy" = {

 ## Frontend management {#modules-services-akkoma-frontend-management}

-Akkoma will be deployed with the `pleroma-fe` and `admin-fe` frontends by default. These can be
+Akkoma will be deployed with the `akkoma-fe` and `admin-fe` frontends by default. These can be
 modified by setting
 [{option}`services.akkoma.frontends`](options.html#opt-services.akkoma.frontends).

@ -160,7 +160,7 @@ The following example overrides the primary frontend’s default configuration u
 derivation.

 ```nix
-services.akkoma.frontends.primary.package = pkgs.runCommand "pleroma-fe" {
+services.akkoma.frontends.primary.package = pkgs.runCommand "akkoma-fe" {
  config = builtins.toJSON {
    expertLevel = 1;
    collapseMessageWithSubject = false;
@ -177,10 +177,10 @@ services.akkoma.frontends.primary.package = pkgs.runCommand "pleroma-fe" {
  passAsFile = [ "config" ];
 } ''
  mkdir $out
-  lndir ${pkgs.akkoma-frontends.pleroma-fe} $out
+  lndir ${pkgs.akkoma-frontends.akkoma-fe} $out

  rm $out/static/config.json
-  jq -s add ${pkgs.akkoma-frontends.pleroma-fe}/static/config.json ${config} \
+  jq -s add ${pkgs.akkoma-frontends.akkoma-fe}/static/config.json ${config} \
    >$out/static/config.json
 '';
 ```
--- a/nixos/modules/services/web-apps/akkoma.nix
+++ b/nixos/modules/services/web-apps/akkoma.nix
@ -51,13 +51,13 @@ let
      package = mkOption {
        type = types.package;
        description = mdDoc "Akkoma frontend package.";
-        example = literalExpression "pkgs.akkoma-frontends.pleroma-fe";
+        example = literalExpression "pkgs.akkoma-frontends.akkoma-fe";
      };

      name = mkOption {
        type = types.nonEmptyStr;
        description = mdDoc "Akkoma frontend name.";
-        example = "pleroma-fe";
+        example = "akkoma-fe";
      };

      ref = mkOption {
@ -476,8 +476,8 @@ in {
        type = with types; attrsOf (submodule frontend);
        default = {
          primary = {
-            package = pkgs.akkoma-frontends.pleroma-fe;
-            name = "pleroma-fe";
+            package = pkgs.akkoma-frontends.akkoma-fe;
+            name = "akkoma-fe";
            ref = "stable";
          };
          admin = {
@ -489,8 +489,8 @@ in {
        defaultText = literalExpression ''
          {
            primary = {
-              package = pkgs.akkoma-frontends.pleroma-fe;
-              name = "pleroma-fe";
+              package = pkgs.akkoma-frontends.akkoma-fe;
+              name = "akkoma-fe";
              ref = "stable";
            };
            admin = {
--- a/nixos/modules/services/web-apps/nextcloud.nix
+++ b/nixos/modules/services/web-apps/nextcloud.nix
@ -79,7 +79,7 @@ in {
      (which can be opened e.g. by running `nixos-help`).
    '')
    (mkRemovedOptionModule [ "services" "nextcloud" "disableImagemagick" ] ''
-      Use services.nextcloud.nginx.enableImagemagick instead.
+      Use services.nextcloud.enableImagemagick instead.
    '')
  ];

--- a/nixos/modules/services/x11/desktop-managers/plasma5.nix
+++ b/nixos/modules/services/x11/desktop-managers/plasma5.nix
@ -316,7 +316,8 @@ in
        ++ lib.optional config.services.colord.enable pkgs.colord-kde
        ++ lib.optional config.services.hardware.bolt.enable pkgs.plasma5Packages.plasma-thunderbolt
        ++ lib.optionals config.services.samba.enable [ kdenetwork-filesharing pkgs.samba ]
-        ++ lib.optional config.services.xserver.wacom.enable pkgs.wacomtablet;
+        ++ lib.optional config.services.xserver.wacom.enable pkgs.wacomtablet
+        ++ lib.optional config.services.flatpak.enable flatpak-kcm;

      # Extra services for D-Bus activation
      services.dbus.packages = [
--- a/nixos/modules/system/boot/systemd/initrd.nix
+++ b/nixos/modules/system/boot/systemd/initrd.nix
@ -495,7 +495,7 @@ in {

          # If we are not booting a NixOS closure (e.g. init=/bin/sh),
          # we don't know what root to prepare so we don't do anything
-          if ! [ -x "/sysroot$closure/prepare-root" ]; then
+          if ! [ -x "/sysroot$(readlink "/sysroot$closure/prepare-root" || echo "$closure/prepare-root")" ]; then
            echo "NEW_INIT=''${initParam[1]}" > /etc/switch-root.conf
            echo "$closure does not look like a NixOS installation - not activating"
            exit 0
--- a/nixos/tests/predictable-interface-names.nix
+++ b/nixos/tests/predictable-interface-names.nix
@ -13,7 +13,7 @@ in pkgs.lib.listToAttrs (builtins.map ({ predictable, withNetworkd }: {
  name = pkgs.lib.optionalString (!predictable) "un" + "predictable"
       + pkgs.lib.optionalString withNetworkd "Networkd";
  value = makeTest {
-    name = "${if predictable then "" else "un"}predictableInterfaceNames${if withNetworkd then "-with-networkd" else ""}";
+    name = "${pkgs.lib.optionalString (!predictable) "un"}predictableInterfaceNames${pkgs.lib.optionalString withNetworkd "-with-networkd"}";
    meta = {};

    nodes.machine = { lib, ... }: {
--- a/pkgs/applications/audio/espeak/default.nix
+++ b/pkgs/applications/audio/espeak/default.nix
@ -19,9 +19,9 @@ stdenv.mkDerivation rec {
  prePatch = ''
    sed -e s,/bin/ln,ln,g -i src/Makefile
    sed -e 's,^CXXFLAGS=-O2,CXXFLAGS=-O2 -D PATH_ESPEAK_DATA=\\\"$(DATADIR)\\\",' -i src/Makefile
-  '' + (if portaudio.api_version == 19 then ''
+  '' + (lib.optionalString (portaudio.api_version == 19) ''
    cp src/portaudio19.h src/portaudio.h
-  '' else "");
+  '');

  configurePhase = ''
    cd src
--- a/pkgs/applications/audio/musly/default.nix
+++ b/pkgs/applications/audio/musly/default.nix
@ -10,11 +10,11 @@ stdenv.mkDerivation {
  };
  nativeBuildInputs = [ cmake ];
  buildInputs = [ eigen ffmpeg ];
-  fixupPhase = if stdenv.isDarwin then ''
+  fixupPhase = lib.optionalString stdenv.isDarwin ''
    install_name_tool -change libmusly.dylib $out/lib/libmusly.dylib $out/bin/musly
    install_name_tool -change libmusly_resample.dylib $out/lib/libmusly_resample.dylib $out/bin/musly
    install_name_tool -change libmusly_resample.dylib $out/lib/libmusly_resample.dylib $out/lib/libmusly.dylib
-  '' else "";
+  '';

  meta = with lib; {
    homepage = "https://www.musly.org";
--- a/pkgs/applications/display-managers/lightdm-tiny-greeter/default.nix
+++ b/pkgs/applications/display-managers/lightdm-tiny-greeter/default.nix
@ -15,9 +15,9 @@ stdenv.mkDerivation rec {
  nativeBuildInputs = [ pkg-config wrapGAppsHook ];
  buildInputs = [ lightdm gtk3 glib ];

-  postUnpack = if conf != "" then ''
+  postUnpack = lib.optionalString (conf != "") ''
    cp ${builtins.toFile "config.h" conf} source/config.h
-  '' else "";
+  '';

  buildPhase = ''
    mkdir -p $out/bin $out/share/xgreeters
--- a/pkgs/applications/editors/android-studio/default.nix
+++ b/pkgs/applications/editors/android-studio/default.nix
@ -10,8 +10,8 @@ let
    inherit tiling_wm;
  };
  stableVersion = {
-    version = "2022.1.1.19"; # "Android Studio Electric Eel (2022.1.1)"
-    sha256Hash = "luxE6a2C86JB28ezuIZV49TyE314S1RcNXQnCQamjUA=";
+    version = "2022.1.1.20"; # "Android Studio Electric Eel (2022.1.1) Patch 1"
+    sha256Hash = "sha256-UX7aOpTM23S7NBPNAz/fKEyK/dqWpok0NnpX9wck6p4=";
  };
  betaVersion = {
    version = "2022.2.1.12"; # "Android Studio Flamingo (2022.2.1) Beta 1"
--- a/pkgs/applications/editors/texmacs/common.nix
+++ b/pkgs/applications/editors/texmacs/common.nix
@ -27,18 +27,18 @@ rec {

  postPatch = (if tex == null then ''
    gunzip < ${fullFontsSrc} | (cd TeXmacs && tar xvf -)
-   '' else if extraFonts then ''
+   '' else lib.optionalString extraFonts ''
    gunzip < ${extraFontsSrc} | (cd TeXmacs && tar xvf -)
-   '' else "") +
-   (if chineseFonts then ''
+   '') +
+   (lib.optionalString chineseFonts ''
    gunzip < ${chineseFontsSrc} | (cd TeXmacs && tar xvf -)
-   '' else "") +
-   (if japaneseFonts then ''
+   '') +
+   (lib.optionalString japaneseFonts ''
    gunzip < ${japaneseFontsSrc} | (cd TeXmacs && tar xvf -)
-   '' else "") +
-   (if koreanFonts then ''
+   '') +
+   (lib.optionalString koreanFonts ''
    gunzip < ${koreanFontsSrc} | (cd TeXmacs && tar xvf -)
-   '' else "");
+   '');


  meta = {
--- a/pkgs/applications/editors/vim/plugins/vim-utils.nix
+++ b/pkgs/applications/editors/vim/plugins/vim-utils.nix
@ -317,8 +317,8 @@ rec {
      lib.warnIf (wrapManual != null) ''
        vim.customize: wrapManual is deprecated: the manual is now included by default if `name == "vim"`.
        ${if wrapManual == true && name != "vim" then "Set `standalone = false` to include the manual."
-        else if wrapManual == false && name == "vim" then "Set `standalone = true` to get the *vim wrappers only."
-        else ""}''
+        else lib.optionalString (wrapManual == false && name == "vim") "Set `standalone = true` to get the *vim wrappers only."
+        }''
      lib.warnIf (wrapGui != null)
        "vim.customize: wrapGui is deprecated: gvim is now automatically included if present"
      lib.throwIfNot (vimExecutableName == null && gvimExecutableName == null)
@ -330,7 +330,7 @@ rec {
          else throw "at least one of vimrcConfig and vimrcFile must be specified";
        bin = runCommand "${name}-bin" { nativeBuildInputs = [ makeWrapper ]; } ''
          vimrc=${lib.escapeShellArg vimrc}
-          gvimrc=${if gvimrcFile != null then lib.escapeShellArg gvimrcFile else ""}
+          gvimrc=${lib.optionalString (gvimrcFile != null) (lib.escapeShellArg gvimrcFile)}

          mkdir -p "$out/bin"
          for exe in ${
--- a/pkgs/applications/emulators/c64-debugger/default.nix
+++ b/pkgs/applications/emulators/c64-debugger/default.nix
@ -0,0 +1,101 @@
+{ lib
+, stdenv
+, fetchgit
+, alsa-lib
+, gtk3
+, libGL
+, libGLU
+, libX11
+, pkg-config
+, upx
+, xcbutil
+}:
+
+stdenv.mkDerivation {
+  name = "c64-debugger";
+  version = "0.64.58.6";
+
+  src = fetchgit {
+    url = "https://git.code.sf.net/p/c64-debugger/code";
+    rev = "f97772e3f5c8b4fa99e8ed212ed1c4cb1e2389f1";
+    sha256 = "sha256-3SR73AHQlYSEYpJLtQ/aJ1UITZGq7aA9tQKxBsn/yuc=";
+  };
+
+  buildInputs = [
+    alsa-lib
+    gtk3
+    libGL
+    libGLU
+    pkg-config
+    libX11
+    xcbutil
+  ];
+
+  nativeBuildInputs = [
+    upx
+  ];
+
+  postPatch = ''
+    # Disable default definition of RUN_COMMODORE64
+    sed -i 's|^#define RUN_COMMODORE64|//#define RUN_COMMODORE64|' MTEngine/Games/c64/C64D_Version.h
+  '';
+
+  buildPhase = ''
+    runHook preBuild
+
+    # Build C64 debugger
+    make -C MTEngine \
+      CFLAGS="-w -O2 -fcommon" \
+      CXXFLAGS="-w -O2 --std=c++11" \
+      DEFINES="-DRUN_COMMODORE64" \
+      -j$NIX_BUILD_CORES
+    mv MTEngine/c64debugger c64debugger
+    make -C MTEngine clean
+
+    # Build 65XE debugger
+    make -C MTEngine \
+      CFLAGS="-w -O2 -fcommon" \
+      CXXFLAGS="-w -O2 --std=c++11" \
+      DEFINES="-DRUN_ATARI" \
+      -j$NIX_BUILD_CORES
+    mv MTEngine/c64debugger 65xedebugger
+    make -C MTEngine clean
+
+    # Build NES debugger
+    make -C MTEngine \
+      CFLAGS="-w -O2 -fcommon" \
+      CXXFLAGS="-w -O2 --std=c++11" \
+      DEFINES="-DRUN_NES" \
+      -j$NIX_BUILD_CORES
+    mv MTEngine/c64debugger nesdebugger
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -d "$out/bin"
+    install -d "$out/share/doc"
+    install -m 755 c64debugger 65xedebugger nesdebugger "$out/bin"
+    install -m 644 MTEngine/Assets/*.txt "$out/share/doc"
+    install -m 644 MTEngine/Assets/*.pdf "$out/share/doc"
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://sourceforge.net/projects/c64-debugger";
+    description = "Commodore 64, Atari XL/XE and NES code and memory debugger that works in real time";
+    license = with licenses; [
+      gpl3Only # c64-debugger
+      mit # MTEngine
+      # emulators included in c64-debugger
+      gpl2Plus # VICE, atari800
+      gpl2 # nestopiaue
+    ];
+    mainProgram = "c64debugger";
+    maintainers = [ maintainers.detegr ];
+    platforms = platforms.linux;
+  };
+}
--- a/pkgs/applications/emulators/dosbox-staging/default.nix
+++ b/pkgs/applications/emulators/dosbox-staging/default.nix
@ -1,15 +1,10 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, SDL2
-, SDL2_image
-, SDL2_net
-, alsa-lib
+{ alsa-lib
 , copyDesktopItems
+, fetchFromGitHub
 , fluidsynth
 , glib
 , gtest
-, irr1
+, lib
 , libGL
 , libGLU
 , libjack2
@ -25,17 +20,22 @@
 , ninja
 , opusfile
 , pkg-config
+, irr1
+, SDL2
+, SDL2_image
+, SDL2_net
 , speexdsp
+, stdenv
 }:

-stdenv.mkDerivation (self: {
+stdenv.mkDerivation rec {
  pname = "dosbox-staging";
  version = "0.80.1";

  src = fetchFromGitHub {
-    owner = "dosbox-staging";
-    repo = "dosbox-staging";
-    rev = "v${self.version}";
+    owner = pname;
+    repo = pname;
+    rev = "v${version}";
    hash = "sha256-I90poBeLSq1c8PXyjrx7/UcbfqFNnnNiXfJdWhLPGMc=";
  };

@ -49,9 +49,6 @@ stdenv.mkDerivation (self: {
  ];

  buildInputs = [
-    SDL2
-    SDL2_image
-    SDL2_net
    alsa-lib
    fluidsynth
    glib
@ -66,6 +63,9 @@ stdenv.mkDerivation (self: {
    libslirp
    libsndfile
    opusfile
+    SDL2
+    SDL2_image
+    SDL2_net
    speexdsp
  ];

@ -91,17 +91,17 @@ stdenv.mkDerivation (self: {
    # original dosbox. Doing it this way allows us to work with frontends and
    # launchers that expect the binary to be named dosbox, but get out of the
    # way of vanilla dosbox if the user desires to install that as well.
-    mv $out/bin/dosbox $out/bin/${self.pname}
+    mv $out/bin/dosbox $out/bin/${pname}
    makeWrapper $out/bin/dosbox-staging $out/bin/dosbox

    # Create a symlink to dosbox manual instead of merely copying it
    pushd $out/share/man/man1/
-    mv dosbox.1.gz ${self.pname}.1.gz
-    ln -s ${self.pname}.1.gz dosbox.1.gz
+    mv dosbox.1.gz ${pname}.1.gz
+    ln -s ${pname}.1.gz dosbox.1.gz
    popd
  '';

-  meta = {
+  meta = with lib; {
    homepage = "https://dosbox-staging.github.io/";
    description = "A modernized DOS emulator";
    longDescription = ''
@ -110,14 +110,10 @@ stdenv.mkDerivation (self: {
      existing DOSBox codebase while leveraging modern development tools and
      practices.
    '';
-    changelog = "https://github.com/dosbox-staging/dosbox-staging/releases/tag/v${self.version}";
-    license = lib.licenses.gpl2Plus;
-    maintainers = [
-      lib.maintainers.joshuafern
-      lib.maintainers.AndersonTorres
-    ];
-    platforms = lib.platforms.unix;
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ joshuafern AndersonTorres ];
+    platforms = platforms.unix;
    priority = 101;
  };
-})
-# TODO: report upstream about not finding extra SDL2 libraries
+}
+# TODO: report upstream about not finding SDL2_net
--- a/pkgs/applications/file-managers/vifm/default.nix
+++ b/pkgs/applications/file-managers/vifm/default.nix
@ -34,11 +34,11 @@ in stdenv.mkDerivation rec {

    wrapVifmMedia = "wrapProgram $out/share/vifm/vifm-media --prefix PATH : ${path}";
  in ''
-    ${if mediaSupport then wrapVifmMedia else ""}
+    ${lib.optionalString mediaSupport wrapVifmMedia}
  '';

  meta = with lib; {
-    description = "A vi-like file manager${if isFullPackage then "; Includes support for optional features" else ""}";
+    description = "A vi-like file manager${lib.optionalString isFullPackage "; Includes support for optional features"}";
    maintainers = with maintainers; [ raskin ];
    platforms = if mediaSupport then platforms.linux else platforms.unix;
    license = licenses.gpl2;
--- a/pkgs/applications/misc/blender/default.nix
+++ b/pkgs/applications/misc/blender/default.nix
@ -87,10 +87,10 @@ stdenv.mkDerivation rec {
    '' else ''
      substituteInPlace extern/clew/src/clew.c --replace '"libOpenCL.so"' '"${ocl-icd}/lib/libOpenCL.so"'
    '') +
-    (if hipSupport then ''
+    (lib.optionalString hipSupport ''
      substituteInPlace extern/hipew/src/hipew.c --replace '"/opt/rocm/hip/lib/libamdhip64.so"' '"${hip}/lib/libamdhip64.so"'
      substituteInPlace extern/hipew/src/hipew.c --replace '"opt/rocm/hip/bin"' '"${hip}/bin"'
-    '' else "");
+    '');

  cmakeFlags =
    [
--- a/pkgs/applications/misc/maliit-framework/default.nix
+++ b/pkgs/applications/misc/maliit-framework/default.nix
@ -33,6 +33,14 @@ mkDerivation rec {
    sha256 = "sha256-q+hiupwlA0PfG+xtomCUp2zv6HQrGgmOd9CU193ucrY=";
  };

+  patches = [
+    # FIXME: backport GCC 12 build fix, remove for next release
+    (fetchpatch {
+      url = "https://github.com/maliit/framework/commit/86e55980e3025678882cb9c4c78614f86cdc1f04.diff";
+      hash = "sha256-5R+sCI05vJX5epu6hcDSWWzlZ8ns1wKEJ+u8xC6d8Xo=";
+    })
+  ];
+
  buildInputs = [
    at-spi2-atk
    at-spi2-core
--- a/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/release_sources.nix
--- a/pkgs/applications/networking/browsers/firefox-bin/update.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/update.nix
@ -46,7 +46,7 @@ in writeScript "update-${pname}" ''
           grep "^[0-9]" | \
           sort --version-sort | \
           grep -v "funnelcake" | \
-           grep -e "${if isBeta then "b" else ""}\([[:digit:]]\|[[:digit:]][[:digit:]]\)$" | ${if isBeta then "" else "grep -v \"b\" |"} \
+           grep -e "${lib.optionalString isBeta "b"}\([[:digit:]]\|[[:digit:]][[:digit:]]\)$" | ${lib.optionalString (not isBeta) "grep -v \"b\" |"} \
           tail -1`

  curl --silent -o $HOME/shasums "$url$version/SHA256SUMS"
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@ -3,10 +3,10 @@
 rec {
  firefox = buildMozillaMach rec {
    pname = "firefox";
-    version = "109.0.1";
+    version = "110.0";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "58b21449a16a794152888f50e7fe9488c28739a7e067729acdc1de9f2e8384e6316cffdfe89f690f0d211189668d940825b4f8a26b8100468ae120772df99d72";
+      sha512 = "52a37a8f59a694c4790c0a14cd81fba9e2c982f64e00191afd0897c39ae1d5e25f24cff16f74d0a0b5cdf8e93a9a0974b6042b0de605cf1a533ef4e6a3c0dcf9";
    };

    meta = {
@ -29,11 +29,11 @@ rec {

  firefox-esr-102 = buildMozillaMach rec {
    pname = "firefox-esr-102";
-    version = "102.7.0esr";
+    version = "102.8.0esr";
    applicationName = "Mozilla Firefox ESR";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "2a9d212b5d15e1bf7a6156495126cbc9161d2057aeedea8f7a5a0670a19a9b00cf35044075935c8f3c788118856ba2cc00f9b297c5ac713f094857683f7cd13b";
+      sha512 = "93ea87997b66088b94c6e943b6e99e9a71d1908444d096c0f65b6876d2c584e55ff6120266f3851f986b664bd1f12fa31206b03479c2b751e7c3ca097ac14275";
    };

    meta = {
--- a/pkgs/applications/networking/browsers/google-chrome/default.nix
+++ b/pkgs/applications/networking/browsers/google-chrome/default.nix
@ -70,7 +70,7 @@ let
    ++ lib.optional libvaSupport libva
    ++ [ gtk3 ];

-  suffix = if channel != "stable" then "-" + channel else "";
+  suffix = lib.optionalString (channel != "stable") "-${channel}";

  crashpadHandlerBinary = if lib.versionAtLeast version "94"
    then "chrome_crashpad_handler"
--- a/pkgs/applications/networking/mailreaders/evolution/evolution-ews/default.nix
+++ b/pkgs/applications/networking/mailreaders/evolution/evolution-ews/default.nix
@ -22,11 +22,11 @@

 stdenv.mkDerivation rec {
  pname = "evolution-ews";
-  version = "3.46.3";
+  version = "3.46.4";

  src = fetchurl {
    url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "BFnqQFY2OKWllPQt3BzHGRotOCLCEcz/+82LNtMmQCU=";
+    sha256 = "bLYE99MKkh7MgxA9ZPKOj1+1VcFT9mHSQvayB/9Hy58=";
  };

  patches = [
--- a/pkgs/applications/networking/mailreaders/evolution/evolution/default.nix
+++ b/pkgs/applications/networking/mailreaders/evolution/evolution/default.nix
@ -44,11 +44,11 @@

 stdenv.mkDerivation rec {
  pname = "evolution";
-  version = "3.46.3";
+  version = "3.46.4";

  src = fetchurl {
    url = "mirror://gnome/sources/evolution/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "riIQdCXTDRejo0w1bNpfQKrXhG12vbYINEUYtdQpwfM=";
+    sha256 = "eghCMc7SRaNLcT141Dp3Zgyso79S5qT1AwpqCAxpez0=";
  };

  nativeBuildInputs = [
--- a/pkgs/applications/science/biology/plink-ng/default.nix
+++ b/pkgs/applications/science/biology/plink-ng/default.nix
@ -15,7 +15,7 @@ stdenv.mkDerivation rec {

  preBuild = ''
    sed -i 's|zlib-1.2.8/zlib.h|zlib.h|g' *.c *.h
-    ${if stdenv.cc.isClang then "sed -i 's|g++|clang++|g' Makefile.std" else ""}
+    ${lib.optionalString stdenv.cc.isClang "sed -i 's|g++|clang++|g' Makefile.std"}

    makeFlagsArray+=(
      ZLIB=-lz
--- a/pkgs/applications/science/electronics/kicad/base.nix
+++ b/pkgs/applications/science/electronics/kicad/base.nix
@ -76,11 +76,10 @@ stdenv.mkDerivation rec {
  # tagged releases don't have "unknown"
  # kicad nightlies use git describe --dirty
  # nix removes .git, so its approximated here
-  postPatch = if (!stable) then ''
+  postPatch = lib.optionalString (!stable) ''
    substituteInPlace cmake/KiCadVersion.cmake \
      --replace "unknown" "${builtins.substring 0 10 src.rev}"
-  ''
-  else "";
+  '';

  makeFlags = optionals (debug) [ "CFLAGS+=-Og" "CFLAGS+=-ggdb" ];

--- a/pkgs/applications/science/electronics/kicad/default.nix
+++ b/pkgs/applications/science/electronics/kicad/default.nix
@ -214,7 +214,7 @@ stdenv.mkDerivation rec {
    description = (if (stable)
    then "Open Source Electronics Design Automation suite"
    else "Open Source EDA suite, development build")
-    + (if (!with3d) then ", without 3D models" else "");
+    + (lib.optionalString (!with3d) ", without 3D models");
    homepage = "https://www.kicad.org/";
    longDescription = ''
      KiCad is an open source software suite for Electronic Design Automation.
--- a/pkgs/applications/science/logic/coq/default.nix
+++ b/pkgs/applications/science/logic/coq/default.nix
@ -66,10 +66,10 @@ let
  buildIde = args.buildIde or (!coqAtLeast "8.14");
  ideFlags = optionalString (buildIde && !coqAtLeast "8.10")
    "-lablgtkdir ${ocamlPackages.lablgtk}/lib/ocaml/*/site-lib/lablgtk2 -coqide opt";
-  csdpPatch = if csdp != null then ''
+  csdpPatch = lib.optionalString (csdp != null) ''
    substituteInPlace plugins/micromega/sos.ml --replace "; csdp" "; ${csdp}/bin/csdp"
    substituteInPlace plugins/micromega/coq_micromega.ml --replace "System.is_in_system_path \"csdp\"" "true"
-  '' else "";
+  '';
  ocamlPackages = if !isNull customOCamlPackages then customOCamlPackages
    else with versions; switch coq-version [
      { case = range "8.16" "8.17"; out = ocamlPackages_4_14; }
@ -158,7 +158,7 @@ self = stdenv.mkDerivation {
    UNAME=$(type -tp uname)
    RM=$(type -tp rm)
    substituteInPlace tools/beautify-archive --replace "/bin/rm" "$RM"
-    ${if !coqAtLeast "8.7" then "substituteInPlace configure.ml --replace \"md5 -q\" \"md5sum\"" else ""}
+    ${lib.optionalString (!coqAtLeast "8.7") "substituteInPlace configure.ml --replace \"md5 -q\" \"md5sum\""}
    ${csdpPatch}
  '';

@ -196,7 +196,7 @@ self = stdenv.mkDerivation {
    categories = [ "Development" "Science" "Math" "IDE" "GTK" ];
  });

-  postInstall = let suffix = if coqAtLeast "8.14" then "-core" else ""; in optionalString (!coqAtLeast "8.17") ''
+  postInstall = let suffix = optionalString (coqAtLeast "8.14") "-core"; in optionalString (!coqAtLeast "8.17") ''
    cp bin/votour $out/bin/
  '' + ''
    ln -s $out/lib/coq${suffix} $OCAMLFIND_DESTDIR/coq${suffix}
@ -227,12 +227,12 @@ if coqAtLeast "8.17" then self.overrideAttrs(_: {
  buildPhase = ''
    runHook preBuild
    make dunestrap
-    dune build -p coq-core,coq-stdlib,coq,coqide-server${if buildIde then ",coqide" else ""} -j $NIX_BUILD_CORES
+    dune build -p coq-core,coq-stdlib,coq,coqide-server${lib.optionalString buildIde ",coqide"} -j $NIX_BUILD_CORES
    runHook postBuild
  '';
  installPhase = ''
    runHook preInstall
-    dune install --prefix $out coq-core coq-stdlib coq coqide-server${if buildIde then " coqide" else ""}
+    dune install --prefix $out coq-core coq-stdlib coq coqide-server${lib.optionalString buildIde " coqide"}
    runHook postInstall
  '';
 }) else self
--- a/pkgs/applications/science/math/sage/sage-tests.nix
+++ b/pkgs/applications/science/math/sage/sage-tests.nix
@ -18,7 +18,7 @@ let
  src = sage-with-env.env.lib.src;
  runAllTests = files == null;
  testArgs = if runAllTests then "--all" else testFileList;
-  patienceSpecifier = if longTests then "--long" else "";
+  patienceSpecifier = lib.optionalString longTests "--long";
  timeSpecifier = if timeLimit == null then "" else "--short ${toString timeLimit}";
  relpathToArg = relpath: lib.escapeShellArg "${src}/${relpath}"; # paths need to be absolute
  testFileList = lib.concatStringsSep " " (map relpathToArg files);
--- a/pkgs/applications/science/misc/openmodelica/mkderivation/default.nix
+++ b/pkgs/applications/science/misc/openmodelica/mkderivation/default.nix
@ -16,7 +16,7 @@ let
  # getAttr-like helper for optional append to string:
  # "Hello" + appendByAttr "a" " " {a = "world";} = "Hello world"
  # "Hello" + appendByAttr "a" " " {} = "Hello"
-  appendByAttr = attr: sep: x: if hasAttr attr x then sep + (getAttr attr x) else "";
+  appendByAttr = attr: sep: x: lib.optionalString (hasAttr attr x) (sep + (getAttr attr x));

  # Are there any OM dependencies at all?
  ifDeps = length pkg.omdeps != 0;
--- a/pkgs/applications/window-managers/dwl/default.nix
+++ b/pkgs/applications/window-managers/dwl/default.nix
@ -63,8 +63,8 @@ stdenv.mkDerivation (self: {

  preBuild = ''
    makeFlagsArray+=(
-      XWAYLAND=${if enableXWayland then "-DXWAYLAND" else ""}
-      XLIBS=${if enableXWayland then "xcb\\ xcb-icccm" else ""}
+      XWAYLAND=${lib.optionalString enableXWayland "-DXWAYLAND"}
+      XLIBS=${lib.optionalString enableXWayland "xcb\\ xcb-icccm"}
    )
  '';

--- a/pkgs/build-support/alternatives/blas/default.nix
+++ b/pkgs/build-support/alternatives/blas/default.nix
@ -83,12 +83,12 @@ stdenv.mkDerivation {
 '' + (if stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf" then ''
  patchelf --set-soname libblas${canonicalExtension} $out/lib/libblas${canonicalExtension}
  patchelf --set-rpath "$(patchelf --print-rpath $out/lib/libblas${canonicalExtension}):${lib.getLib blasProvider'}/lib" $out/lib/libblas${canonicalExtension}
-'' else if stdenv.hostPlatform.isDarwin then ''
+'' else lib.optionalString (stdenv.hostPlatform.isDarwin) ''
  install_name_tool \
    -id $out/lib/libblas${canonicalExtension} \
    -add_rpath ${lib.getLib blasProvider'}/lib \
    $out/lib/libblas${canonicalExtension}
-'' else "") + ''
+'') + ''

  if [ "$out/lib/libblas${canonicalExtension}" != "$out/lib/libblas${stdenv.hostPlatform.extensions.sharedLibrary}" ]; then
    ln -s $out/lib/libblas${canonicalExtension} "$out/lib/libblas${stdenv.hostPlatform.extensions.sharedLibrary}"
@ -115,12 +115,12 @@ EOF
 '' + (if stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf" then ''
  patchelf --set-soname libcblas${canonicalExtension} $out/lib/libcblas${canonicalExtension}
  patchelf --set-rpath "$(patchelf --print-rpath $out/lib/libcblas${canonicalExtension}):${lib.getLib blasProvider'}/lib" $out/lib/libcblas${canonicalExtension}
-'' else if stdenv.hostPlatform.isDarwin then ''
+'' else lib.optionalString stdenv.hostPlatform.isDarwin ''
  install_name_tool \
    -id $out/lib/libcblas${canonicalExtension} \
    -add_rpath ${lib.getLib blasProvider'}/lib \
    $out/lib/libcblas${canonicalExtension}
-'' else "") + ''
+'') + ''
  if [ "$out/lib/libcblas${canonicalExtension}" != "$out/lib/libcblas${stdenv.hostPlatform.extensions.sharedLibrary}" ]; then
    ln -s $out/lib/libcblas${canonicalExtension} "$out/lib/libcblas${stdenv.hostPlatform.extensions.sharedLibrary}"
  fi
--- a/pkgs/build-support/alternatives/lapack/default.nix
+++ b/pkgs/build-support/alternatives/lapack/default.nix
@ -54,10 +54,10 @@ stdenv.mkDerivation {
  cp -L "$liblapack" $out/lib/liblapack${canonicalExtension}
  chmod +w $out/lib/liblapack${canonicalExtension}

-'' + (if stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf" then ''
+'' + (lib.optionalString (stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf") ''
  patchelf --set-soname liblapack${canonicalExtension} $out/lib/liblapack${canonicalExtension}
  patchelf --set-rpath "$(patchelf --print-rpath $out/lib/liblapack${canonicalExtension}):${lapackProvider'}/lib" $out/lib/liblapack${canonicalExtension}
-'' else "") + ''
+'') + ''

  if [ "$out/lib/liblapack${canonicalExtension}" != "$out/lib/liblapack${stdenv.hostPlatform.extensions.sharedLibrary}" ]; then
    ln -s $out/lib/liblapack${canonicalExtension} "$out/lib/liblapack${stdenv.hostPlatform.extensions.sharedLibrary}"
@ -83,10 +83,10 @@ EOF
  cp -L "$liblapacke" $out/lib/liblapacke${canonicalExtension}
  chmod +w $out/lib/liblapacke${canonicalExtension}

-'' + (if stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf" then ''
+'' + (lib.optionalString (stdenv.hostPlatform.parsed.kernel.execFormat.name == "elf") ''
  patchelf --set-soname liblapacke${canonicalExtension} $out/lib/liblapacke${canonicalExtension}
  patchelf --set-rpath "$(patchelf --print-rpath $out/lib/liblapacke${canonicalExtension}):${lib.getLib lapackProvider'}/lib" $out/lib/liblapacke${canonicalExtension}
-'' else "") + ''
+'') + ''

  if [ -f "$out/lib/liblapacke.so.3" ]; then
    ln -s $out/lib/liblapacke.so.3 $out/lib/liblapacke.so
--- a/pkgs/build-support/bintools-wrapper/default.nix
+++ b/pkgs/build-support/bintools-wrapper/default.nix
@ -92,9 +92,8 @@ let
    else "";

  expand-response-params =
-    if buildPackages ? stdenv && buildPackages.stdenv.hasCC && buildPackages.stdenv.cc != "/dev/null"
-    then import ../expand-response-params { inherit (buildPackages) stdenv; }
-    else "";
+    lib.optionalString (buildPackages ? stdenv && buildPackages.stdenv.hasCC && buildPackages.stdenv.cc != "/dev/null")
+    (import ../expand-response-params { inherit (buildPackages) stdenv; });

 in

--- a/pkgs/build-support/build-bazel-package/default.nix
+++ b/pkgs/build-support/build-bazel-package/default.nix
@ -118,10 +118,10 @@ stdenv.mkDerivation (fBuildAttrs // {

      # Remove all built in external workspaces, Bazel will recreate them when building
      rm -rf $bazelOut/external/{bazel_tools,\@bazel_tools.marker}
-      ${if removeRulesCC then "rm -rf $bazelOut/external/{rules_cc,\\@rules_cc.marker}" else ""}
+      ${lib.optionalString removeRulesCC "rm -rf $bazelOut/external/{rules_cc,\\@rules_cc.marker}"}
      rm -rf $bazelOut/external/{embedded_jdk,\@embedded_jdk.marker}
-      ${if removeLocalConfigCc then "rm -rf $bazelOut/external/{local_config_cc,\\@local_config_cc.marker}" else ""}
-      ${if removeLocal then "rm -rf $bazelOut/external/{local_*,\\@local_*.marker}" else ""}
+      ${lib.optionalString removeLocalConfigCc "rm -rf $bazelOut/external/{local_config_cc,\\@local_config_cc.marker}"}
+      ${lib.optionalString removeLocal "rm -rf $bazelOut/external/{local_*,\\@local_*.marker}"}

      # Clear markers
      find $bazelOut/external -name '@*\.marker' -exec sh -c 'echo > {}' \;
--- a/pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix
+++ b/pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix
@ -212,7 +212,7 @@ in stdenv.mkDerivation {
    cd $out
    ${extraBuildCommands}
    cd $out
-    ${if isMultiBuild then extraBuildCommandsMulti else ""}
+    ${lib.optionalString isMultiBuild extraBuildCommandsMulti}
  '';
  preferLocalBuild = true;
  allowSubstitutes = false;
--- a/pkgs/build-support/build-fhs-userenv/env.nix
+++ b/pkgs/build-support/build-fhs-userenv/env.nix
@ -1,4 +1,4 @@
-{ stdenv, buildEnv, writeText, pkgs, pkgsi686Linux }:
+{ stdenv, lib, buildEnv, writeText, pkgs, pkgsi686Linux }:

 { name
 , profile ? ""
@ -237,7 +237,7 @@ in stdenv.mkDerivation {
    cd $out
    ${extraBuildCommands}
    cd $out
-    ${if isMultiBuild then extraBuildCommandsMulti else ""}
+    ${lib.optionalString isMultiBuild extraBuildCommandsMulti}
  '';
  preferLocalBuild = true;
  allowSubstitutes = false;
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@ -59,9 +59,7 @@ let
  suffixSalt = replaceStrings ["-" "."] ["_" "_"] targetPlatform.config;

  expand-response-params =
-    if (buildPackages.stdenv.hasCC or false) && buildPackages.stdenv.cc != "/dev/null"
-    then import ../expand-response-params { inherit (buildPackages) stdenv; }
-    else "";
+    lib.optionalString ((buildPackages.stdenv.hasCC or false) && buildPackages.stdenv.cc != "/dev/null") (import ../expand-response-params { inherit (buildPackages) stdenv; });

  useGccForLibs = isClang
    && libcxx == null
--- a/pkgs/build-support/fetchdocker/credentials.nix
+++ b/pkgs/build-support/fetchdocker/credentials.nix
@ -35,4 +35,4 @@ let
    ({prefix, path}: "DOCKER_CREDENTIALS" == prefix)
    builtins.nixPath);
 in
-  if (pathParts != []) then (builtins.head pathParts).path else ""
+  lib.optionalString (pathParts != []) ((builtins.head pathParts).path)
--- a/pkgs/build-support/fetchfossil/default.nix
+++ b/pkgs/build-support/fetchfossil/default.nix
@ -1,9 +1,9 @@
-{stdenv, fossil, cacert}:
+{stdenv, lib, fossil, cacert}:

 {name ? null, url, rev, sha256}:

 stdenv.mkDerivation {
-  name = "fossil-archive" + (if name != null then "-${name}" else "");
+  name = "fossil-archive" + (lib.optionalString (name != null) "-${name}");
  builder = ./builder.sh;
  nativeBuildInputs = [fossil cacert];

--- a/pkgs/build-support/fetchgit/default.nix
+++ b/pkgs/build-support/fetchgit/default.nix
@ -7,9 +7,7 @@

    short = builtins.substring 0 7 rev;

-    appendShort = if (builtins.match "[a-f0-9]*" rev) != null
-      then "-${short}"
-      else "";
+    appendShort = lib.optionalString ((builtins.match "[a-f0-9]*" rev) != null) "-${short}";
  in "${if matched == null then base else builtins.head matched}${appendShort}";
 in
 { url, rev ? "HEAD", md5 ? "", sha256 ? "", hash ? "", leaveDotGit ? deepClone
--- a/pkgs/build-support/fetchhg/default.nix
+++ b/pkgs/build-support/fetchhg/default.nix
@ -12,13 +12,13 @@ if md5 != null then
 else
 # TODO: statically check if mercurial as the https support if the url starts woth https.
 stdenvNoCC.mkDerivation {
-  name = "hg-archive" + (if name != null then "-${name}" else "");
+  name = "hg-archive" + (lib.optionalString (name != null) "-${name}");
  builder = ./builder.sh;
  nativeBuildInputs = [mercurial];

  impureEnvVars = lib.fetchers.proxyImpureEnvVars;

-  subrepoClause = if fetchSubrepos then "S" else "";
+  subrepoClause = lib.optionalString fetchSubrepos "S";

  outputHashAlgo = "sha256";
  outputHashMode = "recursive";
--- a/pkgs/build-support/fetchpatch/default.nix
+++ b/pkgs/build-support/fetchpatch/default.nix
@ -18,7 +18,7 @@
 let
  args' = if relative != null then {
    stripLen = 1 + lib.length (lib.splitString "/" relative) + stripLen;
-    extraPrefix = if extraPrefix != null then extraPrefix else "";
+    extraPrefix = lib.optionalString (extraPrefix != null) extraPrefix;
  } else {
    inherit stripLen extraPrefix;
  };
--- a/pkgs/build-support/nuke-references/default.nix
+++ b/pkgs/build-support/nuke-references/default.nix
@ -36,6 +36,6 @@ stdenvNoCC.mkDerivation {
    inherit perl;
    inherit (builtins) storeDir;
    shell = lib.getBin shell + (shell.shellPath or "");
-    signingUtils = if darwinCodeSign then signingUtils else "";
+    signingUtils = lib.optionalString darwinCodeSign signingUtils;
  };
 }
--- a/pkgs/build-support/release/binary-tarball.nix
+++ b/pkgs/build-support/release/binary-tarball.nix
@ -10,7 +10,7 @@
   directory, so the Makefile of the package should support DESTDIR.
 */

-{ src, stdenv
+{ src, lib, stdenv
 , name ? "binary-tarball"
 , ... } @ args:

@ -30,7 +30,7 @@ stdenv.mkDerivation (
  // args //

  {
-    name = name + (if src ? version then "-" + src.version else "");
+    name = name + (lib.optionalString (src ? version) "-${src.version}");

    postHook = ''
      mkdir -p $out/nix-support
--- a/pkgs/build-support/release/debian-build.nix
+++ b/pkgs/build-support/release/debian-build.nix
@ -24,7 +24,7 @@ vmTools.runInLinuxImage (stdenv.mkDerivation (
  // removeAttrs args ["vmTools" "lib"] //

  {
-    name = name + "-" + diskImage.name + (if src ? version then "-" + src.version else "");
+    name = name + "-" + diskImage.name + (lib.optionalString (src ? version) "-${src.version}");

    # !!! cut&paste from rpm-build.nix
    postHook = ''
--- a/pkgs/build-support/release/default.nix
+++ b/pkgs/build-support/release/default.nix
@ -11,7 +11,7 @@ rec {
  makeSourceTarball = sourceTarball; # compatibility

  binaryTarball = args: import ./binary-tarball.nix (
-    { inherit stdenv;
+    { inherit lib stdenv;
    } // args);

  mvnBuild = args: import ./maven-build.nix (
@ -38,7 +38,7 @@ rec {
    } // args);

  rpmBuild = args: import ./rpm-build.nix (
-    { inherit vmTools;
+    { inherit lib vmTools;
    } // args);

  debBuild = args: import ./debian-build.nix (
--- a/pkgs/build-support/release/maven-build.nix
+++ b/pkgs/build-support/release/maven-build.nix
@ -22,7 +22,7 @@ in

 stdenv.mkDerivation ( {
  inherit name src;
-  phases = "setupPhase unpackPhase patchPhase mvnCompile ${if doTestCompile then "mvnTestCompile mvnTestJar" else ""} ${if doTest then "mvnTest" else ""} ${if doJavadoc then "mvnJavadoc" else ""} ${if doCheckstyle then "mvnCheckstyle" else ""} mvnJar mvnAssembly mvnRelease finalPhase";
+  phases = "setupPhase unpackPhase patchPhase mvnCompile ${lib.optionalString doTestCompile "mvnTestCompile mvnTestJar"} ${lib.optionalString doTest "mvnTest"} ${lib.optionalString doJavadoc "mvnJavadoc"} ${lib.optionalString doCheckstyle "mvnCheckstyle"} mvnJar mvnAssembly mvnRelease finalPhase";

  setupPhase = ''
    runHook preSetupPhase
@ -88,9 +88,9 @@ stdenv.mkDerivation ( {

    echo "$releaseName" > $out/nix-support/hydra-release-name

-    ${if doRelease then  ''
+    ${lib.optionalString doRelease ''
    echo "file zip $out/release/$releaseName.zip" >> $out/nix-support/hydra-build-products
-    '' else ""}
+    ''}
  '';

  finalPhase = ''
--- a/pkgs/build-support/release/nix-build.nix
+++ b/pkgs/build-support/release/nix-build.nix
@ -85,7 +85,7 @@ stdenv.mkDerivation (
  // removeAttrs args [ "lib" ] # Propagating lib causes the evaluation to fail, because lib is a function that can't be converted to a string

  // {
-    name = name + (if src ? version then "-" + src.version else "");
+    name = name + (lib.optionalString (src ? version) "-${src.version}");

    postHook = ''
      . ${./functions.sh}
@ -167,7 +167,7 @@ stdenv.mkDerivation (

          echo "building out of source tree, from \`$PWD'..."

-          ${if preConfigure != null then preConfigure else ""}
+          ${lib.optionalString (preConfigure != null) preConfigure}
       '';
   }
   else {})
--- a/pkgs/build-support/release/rpm-build.nix
+++ b/pkgs/build-support/release/rpm-build.nix
@ -3,7 +3,7 @@

 { name ? "rpm-build"
 , diskImage
-, src, vmTools
+, src, lib, vmTools
 , ... } @ args:

 vmTools.buildRPM (
@ -11,7 +11,7 @@ vmTools.buildRPM (
  removeAttrs args ["vmTools"] //

  {
-    name = name + "-" + diskImage.name + (if src ? version then "-" + src.version else "");
+    name = name + "-" + diskImage.name + (lib.optionalString (src ? version) "-${src.version}");

    preBuild = ''
      . ${./functions.sh}
--- a/pkgs/build-support/rust/build-rust-crate/default.nix
+++ b/pkgs/build-support/rust/build-rust-crate/default.nix
@ -299,7 +299,7 @@ crate_: lib.makeOverridable
        );

      libName = if crate ? libName then crate.libName else crate.crateName;
-      libPath = if crate ? libPath then crate.libPath else "";
+      libPath = lib.optionalString (crate ? libPath) crate.libPath;

      # Seed the symbol hashes with something unique every time.
      # https://doc.rust-lang.org/1.0.0/rustc/metadata/loader/index.html#frobbing-symbols
--- a/pkgs/build-support/vm/default.nix
+++ b/pkgs/build-support/vm/default.nix
@ -406,7 +406,7 @@ rec {
      eval "$origPostHook"
    '';

-    origPostHook = if attrs ? postHook then attrs.postHook else "";
+    origPostHook = lib.optionalString (attrs ? postHook) attrs.postHook;

    /* Don't run Nix-specific build steps like patchelf. */
    fixupPhase = "true";
@ -1032,22 +1032,22 @@ rec {
    };

    debian11i386 = {
-      name = "debian-11.5-bullseye-i386";
-      fullName = "Debian 11.5 Bullseye (i386)";
+      name = "debian-11.6-bullseye-i386";
+      fullName = "Debian 11.6 Bullseye (i386)";
      packagesList = fetchurl {
-        url = "https://snapshot.debian.org/archive/debian/20221126T084953Z/dists/bullseye/main/binary-i386/Packages.xz";
-        hash = "sha256-tHrWSd4K5TCwIaLTPqK/Rcon0O0r+Jsxb7OcchOo8Vo=";
+        url = "https://snapshot.debian.org/archive/debian/20230131T034648Z/dists/bullseye/main/binary-i386/Packages.xz";
+        hash = "sha256-z9eG7RlvelEnZAaeCfIO+XxTZVL3d+zTA7ShU43l/pw=";
      };
      urlPrefix = "mirror://debian";
      packages = commonDebianPackages;
    };

    debian11x86_64 = {
-      name = "debian-11.5-bullseye-amd64";
-      fullName = "Debian 11.5 Bullseye (amd64)";
+      name = "debian-11.6-bullseye-amd64";
+      fullName = "Debian 11.6 Bullseye (amd64)";
      packagesList = fetchurl {
-        url = "https://snapshot.debian.org/archive/debian/20221126T084953Z/dists/bullseye/main/binary-amd64/Packages.xz";
-        hash = "sha256-whpBERKOPyhrWguVQ2QchrwRHU4tCkGwu42x6khF/2g=";
+        url = "https://snapshot.debian.org/archive/debian/20230131T034648Z/dists/bullseye/main/binary-amd64/Packages.xz";
+        hash = "sha256-mz0eCWdn6uWt40OxsSPheHzEnMeLE52yR/vpb48/VF0=";
      };
      urlPrefix = "mirror://debian";
      packages = commonDebianPackages;
--- a/pkgs/desktops/gnome/core/evolution-data-server/default.nix
+++ b/pkgs/desktops/gnome/core/evolution-data-server/default.nix
@ -50,13 +50,13 @@

 stdenv.mkDerivation rec {
  pname = "evolution-data-server";
-  version = "3.46.3";
+  version = "3.46.4";

  outputs = [ "out" "dev" ];

  src = fetchurl {
    url = "mirror://gnome/sources/evolution-data-server/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "CTjiJ55c+8IgR2bKnT/qVwkRaZsHwQy+AaymKn6LK+4=";
+    sha256 = "pZslQUXFn6zXx7U4LbeNxfDtH2pum4/n1edZWfk8DMg=";
  };

  patches = [
--- a/pkgs/desktops/gnome/core/evolution-data-server/hardcode-gsettings.patch
+++ b/pkgs/desktops/gnome/core/evolution-data-server/hardcode-gsettings.patch
@ -298,7 +298,7 @@ index e61160c..b6553a4 100644
 		G_CALLBACK (mi_user_headers_settings_changed_cb), NULL);
 	G_UNLOCK (mi_user_headers);
 diff --git a/src/camel/providers/imapx/camel-imapx-server.c b/src/camel/providers/imapx/camel-imapx-server.c
-index 611d5c8..4790fca 100644
+index 28755e2..da8c40c 100644
 --- a/src/camel/providers/imapx/camel-imapx-server.c
 +++ b/src/camel/providers/imapx/camel-imapx-server.c
@@ -5593,7 +5593,18 @@ camel_imapx_server_skip_old_flags_update (CamelStore *store)
--- a/pkgs/desktops/gnome/core/gnome-software/default.nix
+++ b/pkgs/desktops/gnome/core/gnome-software/default.nix
@ -45,11 +45,11 @@ in

 stdenv.mkDerivation rec {
  pname = "gnome-software";
-  version = "43.3";
+  version = "43.4";

  src = fetchurl {
    url = "mirror://gnome/sources/gnome-software/${lib.versions.major version}/${pname}-${version}.tar.xz";
-    sha256 = "k+6AdHl4rSzALlrnPQo9Psgu6hNPx3niqpFpAbu1gJA=";
+    sha256 = "6d8GDrq1n0lpfV7yYw7DbeYEVBadwZGvYNNINyCq2z4=";
  };

  patches = [
--- a/pkgs/desktops/lxqt/lxqt-config/default.nix
+++ b/pkgs/desktops/lxqt/lxqt-config/default.nix
@ -1,6 +1,7 @@
 { lib
 , mkDerivation
 , fetchFromGitHub
+, fetchpatch
 , cmake
 , pkg-config
 , glib
@ -29,6 +30,17 @@ mkDerivation rec {
    sha256 = "WgrcHM4iJLZsJO2obqSkjHHMB+/kcadQArkcXC5FB24=";
  };

+  patches = [
+    # FIXME: backport Plasma 5.27 build fix, remove for next release
+    (fetchpatch {
+      url = "https://github.com/lxqt/lxqt-config/commit/6add4e4f0040693e7c4242fbae48c9d32007686c.diff";
+      hash = "sha256-Tir4KeGhBnD9dYmB1FAjuf4R4V+rn12MOxsRwTdE0Sc=";
+    })
+  ];
+
+  # FIXME: required to build with Plasma 5.27, which uses std::optional
+  cmakeFlags = ["-DCMAKE_CXX_STANDARD=17"];
+
  nativeBuildInputs = [
    cmake
    pkg-config
--- a/pkgs/desktops/plasma-5/default.nix
+++ b/pkgs/desktops/plasma-5/default.nix
@ -51,9 +51,9 @@ let
    mirror = "mirror://kde";
  };

-  mkDerivation = libsForQt5.callPackage ({ mkDerivation }: mkDerivation) { };
+  qtStdenv = libsForQt5.callPackage ({ stdenv }: stdenv) {};

-  packages = self: with self;
+  packages = self:
    let

      propagate = out:
@ -98,6 +98,7 @@ let

            defaultSetupHook = if hasBin && hasDev then propagateBin else null;
            setupHook = args.setupHook or defaultSetupHook;
+            nativeBuildInputs = (args.nativeBuildInputs or []) ++ [ libsForQt5.wrapQtAppsHook ];

            meta =
              let meta = args.meta or { }; in
@ -109,8 +110,8 @@ let
                broken = meta.broken or broken;
              };
          in
-          mkDerivation (args // {
-            inherit pname version meta outputs setupHook src;
+          (args.stdenv or qtStdenv).mkDerivation (args // {
+            inherit pname version meta outputs setupHook src nativeBuildInputs;
          });
      };

@ -123,6 +124,7 @@ let
      breeze-grub = callPackage ./breeze-grub.nix { };
      breeze-plymouth = callPackage ./breeze-plymouth { };
      discover = callPackage ./discover.nix { };
+      flatpak-kcm = callPackage ./flatpak-kcm.nix { };
      kactivitymanagerd = callPackage ./kactivitymanagerd.nix { };
      kde-cli-tools = callPackage ./kde-cli-tools.nix { };
      kde-gtk-config = callPackage ./kde-gtk-config { inherit gsettings-desktop-schemas; };
@ -162,6 +164,7 @@ let
      plasma-systemmonitor = callPackage ./plasma-systemmonitor.nix { };
      plasma-thunderbolt = callPackage ./plasma-thunderbolt.nix { };
      plasma-vault = callPackage ./plasma-vault { };
+      plasma-welcome = callPackage ./plasma-welcome.nix { };
      plasma-workspace = callPackage ./plasma-workspace { };
      plasma-workspace-wallpapers = callPackage ./plasma-workspace-wallpapers.nix { };
      polkit-kde-agent = callPackage ./polkit-kde-agent.nix { };
--- a/pkgs/desktops/plasma-5/fetch.sh
+++ b/pkgs/desktops/plasma-5/fetch.sh
@ -1 +1 @@
-WGET_ARGS=( https://download.kde.org/stable/plasma/5.26.5/ -A '*.tar.xz' )
+WGET_ARGS=( https://download.kde.org/stable/plasma/5.27.0/ -A '*.tar.xz' )
--- a/pkgs/desktops/plasma-5/flatpak-kcm.nix
+++ b/pkgs/desktops/plasma-5/flatpak-kcm.nix
@ -0,0 +1,18 @@
+{ mkDerivation
+, extra-cmake-modules
+, flatpak
+, kcmutils
+, kconfig
+, kdeclarative
+}:
+
+mkDerivation {
+  pname = "flatpak-kcm";
+  nativeBuildInputs = [ extra-cmake-modules ];
+  buildInputs = [
+    flatpak
+    kcmutils
+    kconfig
+    kdeclarative
+  ];
+}
--- a/pkgs/desktops/plasma-5/kinfocenter/default.nix
+++ b/pkgs/desktops/plasma-5/kinfocenter/default.nix
@ -99,6 +99,6 @@ mkDerivation {
  # the same directory, while it is actually located in a completely different
  # store path
  preFixup = ''
-    ln -sf ${lib.getExe systemsettings} $out/bin/kinfocenter
+    ln -sf ${systemsettings}/bin/systemsettings $out/bin/kinfocenter
  '';
 }
--- a/pkgs/desktops/plasma-5/kscreenlocker.nix
+++ b/pkgs/desktops/plasma-5/kscreenlocker.nix
@ -7,6 +7,7 @@
 , kdeclarative
 , kglobalaccel
 , kidletime
+, libkscreen
 , kwayland
 , libXcursor
 , pam
@ -27,6 +28,7 @@ mkDerivation {
    kdeclarative
    kglobalaccel
    kidletime
+    libkscreen
    kwayland
    libXcursor
    pam
--- a/pkgs/desktops/plasma-5/kwin/0001-Revert-x11-Refactor-output-updates.patch
+++ b/pkgs/desktops/plasma-5/kwin/0001-Revert-x11-Refactor-output-updates.patch
@ -1,153 +0,0 @@
-From 84f020835e3624342a928aae68e62e636bf2cc8c Mon Sep 17 00:00:00 2001
-From: Yuriy Taraday <yorik.sar@gmail.com>
-Date: Wed, 12 Oct 2022 12:07:23 +0400
-Subject: [PATCH] Revert "[x11] Refactor output updates"
-
-This reverts commit 9a34ebbffc791cbeadc9abafda793ebee654b270.
-
-This should fix compilation with older GCC.
---
- CMakeLists.txt                                |  2 +-
- .../standalone/x11_standalone_platform.cpp    | 63 +++++++++++--------
- 2 files changed, 38 insertions(+), 27 deletions(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 3e7bf700e..6ff24aa5c 100644
--- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -70,7 +70,7 @@ add_definitions(-DMESA_EGL_NO_X11_HEADERS)
- add_definitions(-DEGL_NO_X11)
- add_definitions(-DEGL_NO_PLATFORM_SPECIFIC_TYPES)
- 
-set(CMAKE_CXX_STANDARD 20)
-+set(CMAKE_CXX_STANDARD 17)
- set(CMAKE_CXX_STANDARD_REQUIRED ON)
- 
- # required frameworks by Core
-diff --git a/src/backends/x11/standalone/x11_standalone_platform.cpp b/src/backends/x11/standalone/x11_standalone_platform.cpp
-index 498d5cbe3..ac0f732b2 100644
--- a/src/backends/x11/standalone/x11_standalone_platform.cpp
-+++ b/src/backends/x11/standalone/x11_standalone_platform.cpp
-@@ -54,8 +54,6 @@
- #include <QX11Info>
- #endif
- 
-#include <span>
-
- namespace KWin
- {
- 
-@@ -407,7 +405,8 @@ void X11StandalonePlatform::invertScreen()
-         ScreenResources res((active_client && active_client->window() != XCB_WINDOW_NONE) ? active_client->window() : rootWindow());
- 
-         if (!res.isNull()) {
-            for (auto crtc : std::span(res.crtcs(), res->num_crtcs)) {
-+            for (int j = 0; j < res->num_crtcs; ++j) {
-+                auto crtc = res.crtcs()[j];
-                 CrtcGamma gamma(crtc);
-                 if (gamma.isNull()) {
-                     continue;
-@@ -480,39 +479,54 @@ void X11StandalonePlatform::doUpdateOutputs()
-     if (Xcb::Extensions::self()->isRandrAvailable()) {
-         T resources(rootWindow());
-         if (!resources.isNull()) {
-+            xcb_randr_crtc_t *crtcs = resources.crtcs();
-+            const xcb_randr_mode_info_t *modes = resources.modes();
-+
-+            QVector<Xcb::RandR::CrtcInfo> infos(resources->num_crtcs);
-+            for (int i = 0; i < resources->num_crtcs; ++i) {
-+                infos[i] = Xcb::RandR::CrtcInfo(crtcs[i], resources->config_timestamp);
-+            }
- 
-            std::span crtcs(resources.crtcs(), resources->num_crtcs);
-            for (auto crtc : crtcs) {
-                Xcb::RandR::CrtcInfo info(crtc, resources->config_timestamp);
-+            for (int i = 0; i < resources->num_crtcs; ++i) {
-+                Xcb::RandR::CrtcInfo info(infos.at(i));
- 
-                 const QRect geometry = info.rect();
-                 if (!geometry.isValid()) {
-                     continue;
-                 }
- 
-                float refreshRate = -1.0f;
-+                xcb_randr_output_t *outputs = info.outputs();
-+                QVector<Xcb::RandR::OutputInfo> outputInfos(outputs ? resources->num_outputs : 0);
-+                QVector<Xcb::RandR::OutputProperty> edids(outputs ? resources->num_outputs : 0);
-+                if (outputs) {
-+                    for (int i = 0; i < resources->num_outputs; ++i) {
-+                        outputInfos[i] = Xcb::RandR::OutputInfo(outputs[i], resources->config_timestamp);
-+                        edids[i] = Xcb::RandR::OutputProperty(outputs[i], atoms->edid, XCB_ATOM_INTEGER, 0, 100, false, false);
-+                    }
-+                }
- 
-                for (auto mode : std::span(resources.modes(), resources->num_modes)) {
-                    if (info->mode == mode.id) {
-                        if (mode.htotal != 0 && mode.vtotal != 0) { // BUG 313996
-+                float refreshRate = -1.0f;
-+                for (int j = 0; j < resources->num_modes; ++j) {
-+                    if (info->mode == modes[j].id) {
-+                        if (modes[j].htotal != 0 && modes[j].vtotal != 0) { // BUG 313996
-                             // refresh rate calculation - WTF was wikipedia 1998 when I needed it?
-                            int dotclock = mode.dot_clock,
-                                vtotal = mode.vtotal;
-                            if (mode.mode_flags & XCB_RANDR_MODE_FLAG_INTERLACE) {
-+                            int dotclock = modes[j].dot_clock,
-+                                vtotal = modes[j].vtotal;
-+                            if (modes[j].mode_flags & XCB_RANDR_MODE_FLAG_INTERLACE) {
-                                 dotclock *= 2;
-                             }
-                            if (mode.mode_flags & XCB_RANDR_MODE_FLAG_DOUBLE_SCAN) {
-+                            if (modes[j].mode_flags & XCB_RANDR_MODE_FLAG_DOUBLE_SCAN) {
-                                 vtotal *= 2;
-                             }
-                            refreshRate = dotclock / float(mode.htotal * vtotal);
-+                            refreshRate = dotclock / float(modes[j].htotal * vtotal);
-                         }
-                         break; // found mode
-                     }
-                 }
- 
-                for (auto xcbOutput : std::span(info.outputs(), info->num_outputs)) {
-                    Xcb::RandR::OutputInfo outputInfo(xcbOutput, resources->config_timestamp);
-                    if (outputInfo->crtc != crtc) {
-+                for (int j = 0; j < info->num_outputs; ++j) {
-+                    Xcb::RandR::OutputInfo outputInfo(outputInfos.at(j));
-+                    if (outputInfo->crtc != crtcs[i]) {
-                         continue;
-                     }
- 
-@@ -528,14 +542,12 @@ void X11StandalonePlatform::doUpdateOutputs()
-                     // TODO: Perhaps the output has to save the inherited gamma ramp and
-                     // restore it during tear down. Currently neither standalone x11 nor
-                     // drm platform do this.
-                    Xcb::RandR::CrtcGamma gamma(crtc);
-+                    Xcb::RandR::CrtcGamma gamma(crtcs[i]);
- 
-                     output->setRenderLoop(m_renderLoop.get());
-                    output->setCrtc(crtc);
-+                    output->setCrtc(crtcs[i]);
-                     output->setGammaRampSize(gamma.isNull() ? 0 : gamma->size);
-                    auto it = std::find(crtcs.begin(), crtcs.end(), crtc);
-                    int crtcIndex = std::distance(crtcs.begin(), it);
-                    output->setXineramaNumber(crtcIndex);
-+                    output->setXineramaNumber(i);
- 
-                     QSize physicalSize(outputInfo->mm_width, outputInfo->mm_height);
-                     switch (info->rotation) {
-@@ -556,10 +568,9 @@ void X11StandalonePlatform::doUpdateOutputs()
-                         .physicalSize = physicalSize,
-                     };
- 
-                    auto edidProperty = Xcb::RandR::OutputProperty(xcbOutput, atoms->edid, XCB_ATOM_INTEGER, 0, 100, false, false);
-                     bool ok;
-                    if (auto data = edidProperty.toByteArray(&ok); ok && !data.isEmpty()) {
-                        if (auto edid = Edid(data, edidProperty.data()->num_items); edid.isValid()) {
-+                    if (auto data = edids[j].toByteArray(&ok); ok && !data.isEmpty()) {
-+                        if (auto edid = Edid(data, edids[j].data()->num_items); edid.isValid()) {
-                             information.manufacturer = edid.manufacturerString();
-                             information.model = edid.monitorName();
-                             information.serialNumber = edid.serialNumber();
-- 
-2.37.2
-
--- a/pkgs/desktops/plasma-5/kwin/0003-plugins-qpa-allow-using-nixos-wrapper.patch
+++ b/pkgs/desktops/plasma-5/kwin/0003-plugins-qpa-allow-using-nixos-wrapper.patch
@ -13,9 +13,9 @@ index efd236b..a69c046 100644
 --- a/src/plugins/qpa/main.cpp
 +++ b/src/plugins/qpa/main.cpp
@@ -23,7 +23,7 @@ public:
+
 QPlatformIntegration *KWinIntegrationPlugin::create(const QString &system, const QStringList &paramList)
 {
-     Q_UNUSED(paramList)
 -    if (!QCoreApplication::applicationFilePath().endsWith(QLatin1String("kwin_wayland")) && !qEnvironmentVariableIsSet("KWIN_FORCE_OWN_QPA")) {
 +    if (!QCoreApplication::applicationFilePath().endsWith(QLatin1String("kwin_wayland")) && !QCoreApplication::applicationFilePath().endsWith(QLatin1String(".kwin_wayland-wrapped")) && !qEnvironmentVariableIsSet("KWIN_FORCE_OWN_QPA")) {
         // Not KWin
--- a/pkgs/desktops/plasma-5/kwin/default.nix
+++ b/pkgs/desktops/plasma-5/kwin/default.nix
@ -57,6 +57,7 @@
 , plasma-framework
 , libqaccessibilityclient
 , python3
+, gcc12Stdenv
 }:

 # TODO (ttuegel): investigate qmlplugindump failure
@ -142,12 +143,15 @@ mkDerivation {
      url = "https://invent.kde.org/plasma/kwin/-/commit/9a008b223ad696db3bf5692750f2b74e578e08b8.diff";
      sha256 = "sha256-f35G+g2MVABLDbAkCed3ZmtDWrzYn1rdD08mEx35j4k=";
    })
-  ] ++ lib.optionals stdenv.isAarch64 [
-    ./0001-Revert-x11-Refactor-output-updates.patch
  ];
+
+  stdenv = if stdenv.isAarch64 then gcc12Stdenv else stdenv;
+
  CXXFLAGS = [
    ''-DNIXPKGS_XWAYLAND=\"${lib.getBin xwayland}/bin/Xwayland\"''
-  ];
+  ]
+  ++ lib.optional stdenv.isAarch64 "-mno-outline-atomics";
+
  postInstall = ''
    # Some package(s) refer to these service types by the wrong name.
    # I would prefer to patch those packages, but I cannot find them!
--- a/pkgs/desktops/plasma-5/libkscreen/libkscreen-backends-path.patch
+++ b/pkgs/desktops/plasma-5/libkscreen/libkscreen-backends-path.patch
@ -1,16 +1,20 @@
-Index: libkscreen-5.9.4/src/backendmanager.cpp
-===================================================================
--- libkscreen-5.9.4.orig/src/backendmanager.cpp
-+++ libkscreen-5.9.4/src/backendmanager.cpp
-@@ -172,14 +172,11 @@ QFileInfo BackendManager::preferredBackend(const QString &backend)
+diff --git a/src/backendmanager.cpp b/src/backendmanager.cpp
+index e1013d5..4bded53 100644
+--- a/src/backendmanager.cpp
+++ b/src/backendmanager.cpp
+@@ -164,18 +164,11 @@ QFileInfo BackendManager::preferredBackend(const QString &backend)
+ 
 QFileInfoList BackendManager::listBackends()
 {
-     // Compile a list of installed backends first
+-    // Compile a list of installed backends first
 -    const QString backendFilter = QStringLiteral("KSC_*");
 -    const QStringList paths = QCoreApplication::libraryPaths();
 -    QFileInfoList finfos;
 -    for (const QString &path : paths) {
-        const QDir dir(path + QLatin1String("/kf5/kscreen/"), backendFilter, QDir::SortFlags(QDir::QDir::Name), QDir::NoDotAndDotDot | QDir::Files);
+-        const QDir dir(path + QStringLiteral("/kf" QT_STRINGIFY(QT_VERSION_MAJOR) "/kscreen/"),
+-                       backendFilter,
+-                       QDir::SortFlags(QDir::QDir::Name),
+-                       QDir::NoDotAndDotDot | QDir::Files);
 -        finfos.append(dir.entryInfoList());
 -    }
 -    return finfos;
@ -21,4 +25,4 @@ Index: libkscreen-5.9.4/src/backendmanager.cpp
 +    return dir.entryInfoList();
 }
 
- KScreen::AbstractBackend *BackendManager::loadBackendPlugin(QPluginLoader *loader, const QString &name, const QVariantMap &arguments)
+ void BackendManager::setBackendArgs(const QVariantMap &arguments)
--- a/pkgs/desktops/plasma-5/plasma-remotecontrollers.nix
+++ b/pkgs/desktops/plasma-5/plasma-remotecontrollers.nix
@ -8,6 +8,7 @@
 , kdeclarative
 , kcmutils
 , kpackage
+, kscreenlocker
 , kwindowsystem
 , wayland
 , pkg-config
@ -29,6 +30,7 @@ mkDerivation {
    kdeclarative
    kcmutils
    kpackage
+    kscreenlocker
    kwindowsystem
    wayland
    libcec
--- a/pkgs/desktops/plasma-5/plasma-welcome.nix
+++ b/pkgs/desktops/plasma-5/plasma-welcome.nix
@ -0,0 +1,44 @@
+{ mkDerivation
+, extra-cmake-modules
+, qtquickcontrols2
+, accounts-qt
+, kaccounts-integration
+, kcoreaddons
+, kconfigwidgets
+, kdbusaddons
+, kdeclarative
+, ki18n
+, kio
+, kirigami2
+, knewstuff
+, knotifications
+, kservice
+, kuserfeedback
+, kwindowsystem
+, plasma-framework
+, signond
+}:
+
+mkDerivation {
+  pname = "plasma-welcome";
+  nativeBuildInputs = [ extra-cmake-modules ];
+  buildInputs = [
+    qtquickcontrols2
+    accounts-qt
+    kaccounts-integration
+    kcoreaddons
+    kconfigwidgets
+    kdbusaddons
+    kdeclarative
+    ki18n
+    kio
+    kirigami2
+    knewstuff
+    knotifications
+    kservice
+    kuserfeedback
+    kwindowsystem
+    plasma-framework
+    signond
+  ];
+}
--- a/pkgs/desktops/plasma-5/srcs.nix
+++ b/pkgs/desktops/plasma-5/srcs.nix
@ -4,467 +4,483 @@

 {
  aura-browser = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/aura-browser-5.26.5.tar.xz";
-      sha256 = "0dhj058vh577jyhcjdp6x9dmh6apxk6yinknfci8l6vss9gchini";
-      name = "aura-browser-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/aura-browser-5.27.0.tar.xz";
+      sha256 = "0lw7qvvgbyrqy7zb3m4bd0j4j36x26z0nzxm2g84kgddmczf95az";
+      name = "aura-browser-5.27.0.tar.xz";
    };
  };
  bluedevil = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/bluedevil-5.26.5.tar.xz";
-      sha256 = "069hsn40zbnpkd73zcnnkdjv7n30dqyls5yvg3m0ljphn1syi79y";
-      name = "bluedevil-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/bluedevil-5.27.0.tar.xz";
+      sha256 = "0wjll668bmdk8xm2vl7p31md8ljwzycnr99y3bli4whczihiclly";
+      name = "bluedevil-5.27.0.tar.xz";
    };
  };
  breeze = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/breeze-5.26.5.tar.xz";
-      sha256 = "00zzb03jan14byh19mga3jrzwi3rl084cgpnk0wj3gwgf903p78y";
-      name = "breeze-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/breeze-5.27.0.tar.xz";
+      sha256 = "0g68l0kfdsp9halrwpbn3azm3v97gdynpc4y1bwa6j2xxaj5fp4a";
+      name = "breeze-5.27.0.tar.xz";
    };
  };
  breeze-grub = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/breeze-grub-5.26.5.tar.xz";
-      sha256 = "0ibjqv6hyqi4ljf5jhx5sv55li9jcvk5lydl0xrb54v8czbarg4w";
-      name = "breeze-grub-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/breeze-grub-5.27.0.tar.xz";
+      sha256 = "0mnga6fhpy10shvbfys6lw0q3hk61vhfa95ykvgv6d5ssavzamyp";
+      name = "breeze-grub-5.27.0.tar.xz";
    };
  };
  breeze-gtk = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/breeze-gtk-5.26.5.tar.xz";
-      sha256 = "1k1kcrv6cbx9m0yxnqhdgwq0bd8qf8055acwjdphwjhl50icliqi";
-      name = "breeze-gtk-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/breeze-gtk-5.27.0.tar.xz";
+      sha256 = "1apd17b7p8i2i2ls6pdpabzijca4lwdzd4p1srx46wb0slm6fqma";
+      name = "breeze-gtk-5.27.0.tar.xz";
    };
  };
  breeze-plymouth = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/breeze-plymouth-5.26.5.tar.xz";
-      sha256 = "0skiii7ni6r6jp3a7nq10hd6qdria1481lml4l57ma9afgvpxi9v";
-      name = "breeze-plymouth-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/breeze-plymouth-5.27.0.tar.xz";
+      sha256 = "103f8v56a8qm1hlnakbzljsv5iyfc3ynry169f2vvsafm40bc6c0";
+      name = "breeze-plymouth-5.27.0.tar.xz";
    };
  };
  discover = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/discover-5.26.5.tar.xz";
-      sha256 = "19fd4f7nvqznfkrivxh77si627kqjnm1g17lidl9alz2iy2bxfm6";
-      name = "discover-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/discover-5.27.0.tar.xz";
+      sha256 = "0qa9hz7fxf1c9wi5c1x5z345mac3d5prgxxvadv4285c0sxvqidz";
+      name = "discover-5.27.0.tar.xz";
    };
  };
  drkonqi = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/drkonqi-5.26.5.tar.xz";
-      sha256 = "1syl78sl7wzjdb53glln6laa017cawgz0c39p33bdwq3kpzckw07";
-      name = "drkonqi-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/drkonqi-5.27.0.tar.xz";
+      sha256 = "015ivarw48ymsz06jbd2rdqvdmcww93r2msrmmfh7jrzszqh3dlg";
+      name = "drkonqi-5.27.0.tar.xz";
+    };
+  };
+  flatpak-kcm = {
+    version = "5.27.0";
+    src = fetchurl {
+      url = "${mirror}/stable/plasma/5.27.0/flatpak-kcm-5.27.0.tar.xz";
+      sha256 = "0318p0pm79kzk4l1rc239h7a7kvswz9vy3kylznn561fazkn3lss";
+      name = "flatpak-kcm-5.27.0.tar.xz";
    };
  };
  kactivitymanagerd = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kactivitymanagerd-5.26.5.tar.xz";
-      sha256 = "0ypnnh3lpcfw8ggi6nc8sr4hcsamx6s3ax869b6rhh392avcw2ha";
-      name = "kactivitymanagerd-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kactivitymanagerd-5.27.0.tar.xz";
+      sha256 = "02k8il4sgl63rdkn63hhpsc6pymc9a5p4jv452fiw0vpf2zbj3sn";
+      name = "kactivitymanagerd-5.27.0.tar.xz";
    };
  };
  kde-cli-tools = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kde-cli-tools-5.26.5.tar.xz";
-      sha256 = "0djxqxdkih4svmggk6lk6p6n3sx3w4q9fsnx2dxfn5injwh0qrkr";
-      name = "kde-cli-tools-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kde-cli-tools-5.27.0.tar.xz";
+      sha256 = "1w5cxbxwfnv5wl04jwchr14c6fx0yf3s3x98d18h87bd0vx3w48m";
+      name = "kde-cli-tools-5.27.0.tar.xz";
    };
  };
  kde-gtk-config = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kde-gtk-config-5.26.5.tar.xz";
-      sha256 = "10r4kgpd04hh05yriga2r5awwdb8v93jsx0qksdgj3661xy00x7n";
-      name = "kde-gtk-config-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kde-gtk-config-5.27.0.tar.xz";
+      sha256 = "1bhqxnpgpj69jrfkn0znbnwp7r73gl6qb9xzi1pjj8cqb5bn5skg";
+      name = "kde-gtk-config-5.27.0.tar.xz";
    };
  };
  kdecoration = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kdecoration-5.26.5.tar.xz";
-      sha256 = "1dzpqzi25wxmilj92lqjmd6wid3nlkbvnnpcpp0ywd860q30zzd2";
-      name = "kdecoration-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kdecoration-5.27.0.tar.xz";
+      sha256 = "04vw9kyvwq5jg8pw85b96c3ahm8213pf4a03dm49hv1fdzslvjaf";
+      name = "kdecoration-5.27.0.tar.xz";
    };
  };
  kdeplasma-addons = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kdeplasma-addons-5.26.5.tar.xz";
-      sha256 = "17vrdnigif4v38gbh04p8qs7wqp3y3nqll1m7xc4qfqbq1dydyjq";
-      name = "kdeplasma-addons-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kdeplasma-addons-5.27.0.tar.xz";
+      sha256 = "19nr13aipfds1y5zr0a05wb55s7pdzqmpidmm7w9aaxxa5rbg623";
+      name = "kdeplasma-addons-5.27.0.tar.xz";
    };
  };
  kgamma5 = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kgamma5-5.26.5.tar.xz";
-      sha256 = "0v4rpm2asv31w1rqrhn25kbcdl1acahg10lmh6iwisxl1i3x8hd8";
-      name = "kgamma5-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kgamma5-5.27.0.tar.xz";
+      sha256 = "1dyfpwfadp2n83lcr3mak3n8h2cxgxs2hv35madah6zf78m5ldw5";
+      name = "kgamma5-5.27.0.tar.xz";
    };
  };
  khotkeys = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/khotkeys-5.26.5.tar.xz";
-      sha256 = "0lkmh5n76kmrdxm4snkk1zz7d927qkl69ajd5qhz277whpz3slw8";
-      name = "khotkeys-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/khotkeys-5.27.0.tar.xz";
+      sha256 = "1xyy7511k6a1xlr63qq3qbk8wr1c12skmqzxliijv8q2b7b8dpiz";
+      name = "khotkeys-5.27.0.tar.xz";
    };
  };
  kinfocenter = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kinfocenter-5.26.5.tar.xz";
-      sha256 = "0rka2fm7r2zikv3lcd1q39swgcp6fs5l4f5ldpgwpk9bps96cy4x";
-      name = "kinfocenter-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kinfocenter-5.27.0.tar.xz";
+      sha256 = "0k9h4m0jzxdyqyfn9pam0ssmhj6lng0l8mn23r7yw6mqi1i01yvl";
+      name = "kinfocenter-5.27.0.tar.xz";
    };
  };
  kmenuedit = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kmenuedit-5.26.5.tar.xz";
-      sha256 = "17iyk77mb1lp9xjl92ffvv111b4m2qq98xznd1qafnah7ix1cg7p";
-      name = "kmenuedit-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kmenuedit-5.27.0.tar.xz";
+      sha256 = "1jb5pjy6flar0hxy9avnryxjmvh0ixyxr7xjbzbwjfx6zzf40i62";
+      name = "kmenuedit-5.27.0.tar.xz";
    };
  };
  kpipewire = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kpipewire-5.26.5.tar.xz";
-      sha256 = "1yqymwq48mqv9zfw3idb0abizrfhr7f4d37ys9w7a9jixcm7rdrv";
-      name = "kpipewire-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kpipewire-5.27.0.tar.xz";
+      sha256 = "0mhpi16025bznxgp9lkg44rjxbm541yl39nj1rffpqh3bvhgw600";
+      name = "kpipewire-5.27.0.tar.xz";
    };
  };
  kscreen = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kscreen-5.26.5.tar.xz";
-      sha256 = "0w8yrzpgr23s7sr3296lrm2zbm2j2174zv5az41i44l907iq9y1x";
-      name = "kscreen-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kscreen-5.27.0.tar.xz";
+      sha256 = "043g0h2lk6k4xqfbma45m91wf93fm0v1vgf49ax6bqx9y3hvb1gw";
+      name = "kscreen-5.27.0.tar.xz";
    };
  };
  kscreenlocker = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kscreenlocker-5.26.5.tar.xz";
-      sha256 = "0lwn3xbbk1578974m3nkk2x5h9fadrcizvh4q4528s5wgxja6w2g";
-      name = "kscreenlocker-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kscreenlocker-5.27.0.tar.xz";
+      sha256 = "0xvwlqh6knrj2l9asrkmv7fzwl5xbxm05pgimb9lk1bk67nr0xir";
+      name = "kscreenlocker-5.27.0.tar.xz";
    };
  };
  ksshaskpass = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/ksshaskpass-5.26.5.tar.xz";
-      sha256 = "0k0jxbkav115i5nhazxyz3s3wg6gyfcsa1jilf3j3fr8vnh8qhx0";
-      name = "ksshaskpass-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/ksshaskpass-5.27.0.tar.xz";
+      sha256 = "1p55lf47vznvvprs2wn5c7ccq4iy6cxkqqdl9di02rzj9rf81zbs";
+      name = "ksshaskpass-5.27.0.tar.xz";
    };
  };
  ksystemstats = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/ksystemstats-5.26.5.tar.xz";
-      sha256 = "18sa2w6vgbqmw8wrg5vqbraql04x9kb7mj9k35z4zs2n4abfrrbi";
-      name = "ksystemstats-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/ksystemstats-5.27.0.tar.xz";
+      sha256 = "1vax9cq33gxv2qaz908bsckrvdpffl975ayliz72f6d2mhsx9r5i";
+      name = "ksystemstats-5.27.0.tar.xz";
    };
  };
  kwallet-pam = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kwallet-pam-5.26.5.tar.xz";
-      sha256 = "1c5pzih8id0gld7qdf8ffxsbfgq9bsvpx37qyzr941b3vif7f9yx";
-      name = "kwallet-pam-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kwallet-pam-5.27.0.tar.xz";
+      sha256 = "0kwlinn6xcxqrib4xc200c9dmbq0gk0hmh6ahzd0nvgng6g6bvw7";
+      name = "kwallet-pam-5.27.0.tar.xz";
    };
  };
  kwayland-integration = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kwayland-integration-5.26.5.tar.xz";
-      sha256 = "0czq16lq210hq7a3wqg7pvdr9a8vm16z6yb82p0w6yqv15kk7alx";
-      name = "kwayland-integration-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kwayland-integration-5.27.0.tar.xz";
+      sha256 = "0aml251n9amrjiyp6933iz245z3qr5lvpdyxsgnpzlvn652zyfqv";
+      name = "kwayland-integration-5.27.0.tar.xz";
    };
  };
  kwin = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kwin-5.26.5.tar.xz";
-      sha256 = "1n0v0553s9l8s6wgdz5bhrnvww20q49h92v3m4w216razj7q3q0k";
-      name = "kwin-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kwin-5.27.0.tar.xz";
+      sha256 = "1g1rma3ks6i10dvqksa61fi0w0g87gbb73jjzkz0jicbs5823w9c";
+      name = "kwin-5.27.0.tar.xz";
    };
  };
  kwrited = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/kwrited-5.26.5.tar.xz";
-      sha256 = "14savlbywkx5107s0viprafs9pl389zhjk32iy4x5jmf9dk6vmm9";
-      name = "kwrited-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/kwrited-5.27.0.tar.xz";
+      sha256 = "15fxhk9dd0z9pfc99hsb9zqwish8wkbld8kgj8a1nzl5a2dnjnd3";
+      name = "kwrited-5.27.0.tar.xz";
    };
  };
  layer-shell-qt = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/layer-shell-qt-5.26.5.tar.xz";
-      sha256 = "1k79dcyic2hkm92sd7aix03ywagr4rgsdf86a9zy06kafg92jra9";
-      name = "layer-shell-qt-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/layer-shell-qt-5.27.0.tar.xz";
+      sha256 = "1zs3p7fbw3yf24d2zy51pyjlxy9gxs8k78c481yck04sj8vlf3cw";
+      name = "layer-shell-qt-5.27.0.tar.xz";
    };
  };
  libkscreen = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/libkscreen-5.26.5.tar.xz";
-      sha256 = "0vajgzjvpn909ds88jddsg7bman0rdphrm70b0k5ar7bcw0x54d5";
-      name = "libkscreen-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/libkscreen-5.27.0.tar.xz";
+      sha256 = "16b2j8gfgf12nxwm8pij41yl6ffcjh7h31rw54j6mlx2q7i5lq2h";
+      name = "libkscreen-5.27.0.tar.xz";
    };
  };
  libksysguard = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/libksysguard-5.26.5.tar.xz";
-      sha256 = "01a1wm6z191lzjqd5iws90jd3ld3r6r1qaw95bl65l9ar8p3gr8p";
-      name = "libksysguard-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/libksysguard-5.27.0.tar.xz";
+      sha256 = "01lsf52kfzp6h964s1aifg4wlf52hba56wf66cq3vi05ghckfbb5";
+      name = "libksysguard-5.27.0.tar.xz";
    };
  };
  milou = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/milou-5.26.5.tar.xz";
-      sha256 = "1pmz4n41ysb0mhgykvc65r5as8fkd7wr4k57sk0a12wzsndy7zv8";
-      name = "milou-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/milou-5.27.0.tar.xz";
+      sha256 = "1zs5n37crpqzbycjb5x239fs65wv2ghkx5m87sq65713rs7lmpbx";
+      name = "milou-5.27.0.tar.xz";
    };
  };
  oxygen = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/oxygen-5.26.5.tar.xz";
-      sha256 = "0wllhniaqpzvzji51a9871j1697kjwbz4xj8q9x1w89ip88pb6gq";
-      name = "oxygen-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/oxygen-5.27.0.tar.xz";
+      sha256 = "0vld1m3ac5z2z4k6vp8v5kzib094baj5ndwqvf6ryhyp9v7in3r0";
+      name = "oxygen-5.27.0.tar.xz";
    };
  };
  oxygen-sounds = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/oxygen-sounds-5.26.5.tar.xz";
-      sha256 = "1ws6bssn2r2m666kd6i0xnmzxb8x3z2pa6qk36xpbs1xjxdv5wny";
-      name = "oxygen-sounds-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/oxygen-sounds-5.27.0.tar.xz";
+      sha256 = "08brv177p3hlqvkf7chy1s5i45vnbjsjxiqxmac8grfh9dgsjyk6";
+      name = "oxygen-sounds-5.27.0.tar.xz";
    };
  };
  plank-player = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plank-player-5.26.5.tar.xz";
-      sha256 = "18yw74mqcd0igps10m1sd41rlir2y8y78xkljxj5w2y4yvh97vbs";
-      name = "plank-player-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plank-player-5.27.0.tar.xz";
+      sha256 = "0ng97dcpfvm5klwnqzc47rv8lwxj0cmidx3igzjgkrl23k4rcxy2";
+      name = "plank-player-5.27.0.tar.xz";
    };
  };
  plasma-bigscreen = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-bigscreen-5.26.5.tar.xz";
-      sha256 = "0893ngwdgq1l76gib4p9212lwp4i2gxvpnmxygndbmkz7nhjax75";
-      name = "plasma-bigscreen-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-bigscreen-5.27.0.tar.xz";
+      sha256 = "0c2zldcsfqklwv3lsw9fb7q39vsaq5lzxad3wqrhsphz8c8v6yxg";
+      name = "plasma-bigscreen-5.27.0.tar.xz";
    };
  };
  plasma-browser-integration = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-browser-integration-5.26.5.tar.xz";
-      sha256 = "1bfzha5vd8hjij758b0g6ibyi4f8gmijz92fgn5is0p1hydm8y4l";
-      name = "plasma-browser-integration-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-browser-integration-5.27.0.tar.xz";
+      sha256 = "014fn47khppa7ay5sxcz43g81igbx6lpv19whc7p4ik3cp3rzk7i";
+      name = "plasma-browser-integration-5.27.0.tar.xz";
    };
  };
  plasma-desktop = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-desktop-5.26.5.tar.xz";
-      sha256 = "15kc5sam3y2c1ccp14cs7v5zakgzz9gpxpyxapimlvkwscxmvzn6";
-      name = "plasma-desktop-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-desktop-5.27.0.tar.xz";
+      sha256 = "0d52a4adjkyah6ab93153mp5af8338mipm9712i9xzylwf73100q";
+      name = "plasma-desktop-5.27.0.tar.xz";
    };
  };
  plasma-disks = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-disks-5.26.5.tar.xz";
-      sha256 = "137k44lly2qv6vrmfi4g2xqc7y907ywwshp7mn07qmbps3a85h30";
-      name = "plasma-disks-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-disks-5.27.0.tar.xz";
+      sha256 = "1m7hh901p7h0ibj7pgsqhz6jkn07mnw7m1xgs6d43i1n7vnw9hlb";
+      name = "plasma-disks-5.27.0.tar.xz";
    };
  };
  plasma-firewall = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-firewall-5.26.5.tar.xz";
-      sha256 = "18fp7iqnyjx2p44n8hjs7fss212ja3k2i5cryrnmwpf7r0q73l36";
-      name = "plasma-firewall-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-firewall-5.27.0.tar.xz";
+      sha256 = "02haqjiim2qk77074likhvmj07120p7cr9lsxjsmhfc4f69wwkh2";
+      name = "plasma-firewall-5.27.0.tar.xz";
    };
  };
  plasma-integration = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-integration-5.26.5.tar.xz";
-      sha256 = "0ap7rzhqmm7ai9sc6w281f2kf81qgs2h2qpf5bvbc6wm3vn1lm1g";
-      name = "plasma-integration-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-integration-5.27.0.tar.xz";
+      sha256 = "0ma6ig7gldl26pav4j1svcwxbpmgfq72q6nxzyysrgxzfyk93c1w";
+      name = "plasma-integration-5.27.0.tar.xz";
    };
  };
  plasma-mobile = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-mobile-5.26.5.tar.xz";
-      sha256 = "06gha8mga9xqmmvzc9why9pfzzpy8czrqym3k3n23pa9hy2qqsvj";
-      name = "plasma-mobile-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-mobile-5.27.0.tar.xz";
+      sha256 = "14a68d6lxm3pfq8znzk0k0f4kq9wpgmmj0zqa5jfr1gapqyrdkmv";
+      name = "plasma-mobile-5.27.0.tar.xz";
    };
  };
  plasma-nano = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-nano-5.26.5.tar.xz";
-      sha256 = "161sabckgl8gjxxsm0aklp33bf05iq2p84vh2v5y6bfpimsnamnj";
-      name = "plasma-nano-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-nano-5.27.0.tar.xz";
+      sha256 = "0sc8fdbbwwn3a1gip31dvwb5pfdl1zk08i795yp5gfjc04kckxs1";
+      name = "plasma-nano-5.27.0.tar.xz";
    };
  };
  plasma-nm = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-nm-5.26.5.tar.xz";
-      sha256 = "1msi9lhkhpb29h6fwkxqmp9js70r8vrvzzf38hzkgxcbf3757k64";
-      name = "plasma-nm-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-nm-5.27.0.tar.xz";
+      sha256 = "0p7vqw7nkwpy84lg5w5alkrkaisg56fwsrgvwb43mb54h5pfcd4f";
+      name = "plasma-nm-5.27.0.tar.xz";
    };
  };
  plasma-pa = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-pa-5.26.5.tar.xz";
-      sha256 = "19i9ipajiz68silvprap9pykki6rhb7d2ways501bx8g4vfcb0h5";
-      name = "plasma-pa-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-pa-5.27.0.tar.xz";
+      sha256 = "0z3njcfr8y9y9025sdz28qvi9fc6vsndfb7zi1wacrrncjxg1wkl";
+      name = "plasma-pa-5.27.0.tar.xz";
    };
  };
  plasma-remotecontrollers = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-remotecontrollers-5.26.5.tar.xz";
-      sha256 = "1cam1jchp3nwqkqskln4qbpb4rixzwa0bwma89ysdgqy0pzpq2x0";
-      name = "plasma-remotecontrollers-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-remotecontrollers-5.27.0.tar.xz";
+      sha256 = "0q8wjr5qi97k4j5lm5wy35r78hf9cwa9sbj170xm5ni2rmdlsb14";
+      name = "plasma-remotecontrollers-5.27.0.tar.xz";
    };
  };
  plasma-sdk = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-sdk-5.26.5.tar.xz";
-      sha256 = "0p20s2cp5vd1chj28wq88ixb625hisl134hnlllz6h70s5vzy79n";
-      name = "plasma-sdk-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-sdk-5.27.0.tar.xz";
+      sha256 = "0fqbpcw705yy0szbvvnf266bclv9l65v563kmcsryq31y7ji15iz";
+      name = "plasma-sdk-5.27.0.tar.xz";
    };
  };
  plasma-systemmonitor = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-systemmonitor-5.26.5.tar.xz";
-      sha256 = "0xghszlm8h70p192qizv2kj7f02fnf3p3hg1p10ni7sqfaczrbq1";
-      name = "plasma-systemmonitor-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-systemmonitor-5.27.0.tar.xz";
+      sha256 = "139jyqvwykxc7pfrcrrsyks0jdg3ljw8hg7plqw5n2cd4slx6psx";
+      name = "plasma-systemmonitor-5.27.0.tar.xz";
    };
  };
  plasma-tests = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-tests-5.26.5.tar.xz";
-      sha256 = "1h0cinrgjdp7rhl3v55c40a5agd93rqwx1xjqyj06vkjkbigx0fr";
-      name = "plasma-tests-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-tests-5.27.0.tar.xz";
+      sha256 = "1ncsjiwlx73kc6xzlz1da8xdppw8q1al9k8lm6zj1qvf4mnb62kr";
+      name = "plasma-tests-5.27.0.tar.xz";
    };
  };
  plasma-thunderbolt = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-thunderbolt-5.26.5.tar.xz";
-      sha256 = "1lzj3m2k34m3fvcq3ykr5igaq0sbc4v87cncxvz6ln0p7cq0i6y5";
-      name = "plasma-thunderbolt-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-thunderbolt-5.27.0.tar.xz";
+      sha256 = "053xi6vjlavavxqcz5d0b78pnjmswqg0y5kq4r7pqkazj0829ca3";
+      name = "plasma-thunderbolt-5.27.0.tar.xz";
    };
  };
  plasma-vault = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-vault-5.26.5.tar.xz";
-      sha256 = "104cs6prb8v5mccshz5brknfllyfbfnjzzpdrgk1xpzh5apwmhja";
-      name = "plasma-vault-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-vault-5.27.0.tar.xz";
+      sha256 = "0i5m9jyvpv5rfwms75pw65c4x315lwby0cg7pab3dz2xsy82g2p8";
+      name = "plasma-vault-5.27.0.tar.xz";
+    };
+  };
+  plasma-welcome = {
+    version = "5.27.0";
+    src = fetchurl {
+      url = "${mirror}/stable/plasma/5.27.0/plasma-welcome-5.27.0.tar.xz";
+      sha256 = "00pr7bvx1accs1faw149r28qkkjdxmmib2a6m7asyn591pykzbyh";
+      name = "plasma-welcome-5.27.0.tar.xz";
    };
  };
  plasma-workspace = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-workspace-5.26.5.tar.xz";
-      sha256 = "082jnlqgbp48bmyp1nbzg2d0p0pxkvra6xjv40kvh6k6rmpr5cjc";
-      name = "plasma-workspace-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-workspace-5.27.0.tar.xz";
+      sha256 = "0fq71fhqn0lx88a7n8rw9jrwkcm720s2c2l1ry9035kmvz94w901";
+      name = "plasma-workspace-5.27.0.tar.xz";
    };
  };
  plasma-workspace-wallpapers = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plasma-workspace-wallpapers-5.26.5.tar.xz";
-      sha256 = "07gln5jl947qfpvrgiqa1fnw8lnnf4jg734ayybi927j059s3g8i";
-      name = "plasma-workspace-wallpapers-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plasma-workspace-wallpapers-5.27.0.tar.xz";
+      sha256 = "1pyz1gnbg2n907yi4wlj9gq495145ww50z66q8ykgmix1yxwmjnz";
+      name = "plasma-workspace-wallpapers-5.27.0.tar.xz";
    };
  };
  plymouth-kcm = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/plymouth-kcm-5.26.5.tar.xz";
-      sha256 = "1isxs6gxbab2ddl22c3992gmdgy3mi5yjb9inv32ajzs6r7snrj1";
-      name = "plymouth-kcm-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/plymouth-kcm-5.27.0.tar.xz";
+      sha256 = "1cbwpqfxlm0vc2hjllqbsy929my1pmmbmb15ggj9m7gmxc59fbaf";
+      name = "plymouth-kcm-5.27.0.tar.xz";
    };
  };
  polkit-kde-agent = {
-    version = "1-5.26.5";
+    version = "1-5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/polkit-kde-agent-1-5.26.5.tar.xz";
-      sha256 = "19jrjx40m8g6hwq5k7ibbm0fmb803hxync2022gqbwzfrdb4493i";
-      name = "polkit-kde-agent-1-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/polkit-kde-agent-1-5.27.0.tar.xz";
+      sha256 = "0mihvr8w9rlqvsh2g19r3zrxp3shaiwlmjcx2w3lx4swiysnyps1";
+      name = "polkit-kde-agent-1-5.27.0.tar.xz";
    };
  };
  powerdevil = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/powerdevil-5.26.5.tar.xz";
-      sha256 = "063bqwdnpskcwqzpgcmjwgs9vpkn1gnq2nnzj2sdzrlflfrdsfvp";
-      name = "powerdevil-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/powerdevil-5.27.0.tar.xz";
+      sha256 = "0gdp2zsx761zkl4r4pj799x6q5jw0yzsljgx5p9cmrl4pvxb89rg";
+      name = "powerdevil-5.27.0.tar.xz";
    };
  };
  qqc2-breeze-style = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/qqc2-breeze-style-5.26.5.tar.xz";
-      sha256 = "1lhv4jlg15w8a88czq0fazaizjwva3yv8wv3scdnhhyfnbkch9mr";
-      name = "qqc2-breeze-style-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/qqc2-breeze-style-5.27.0.tar.xz";
+      sha256 = "14aw06dvpqjglm4y0230b3yy2fg3z427ff87f9xn8f96603c8447";
+      name = "qqc2-breeze-style-5.27.0.tar.xz";
    };
  };
  sddm-kcm = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/sddm-kcm-5.26.5.tar.xz";
-      sha256 = "0cglb7dvwrkdpl5bgg91yfxrvqfpc2szj3qipcmd6ladsvbz8cxv";
-      name = "sddm-kcm-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/sddm-kcm-5.27.0.tar.xz";
+      sha256 = "1kdb5jyv4lrx02bjyzyaakq4ip4z095sfcipgipgc0w2ayicf1np";
+      name = "sddm-kcm-5.27.0.tar.xz";
    };
  };
  systemsettings = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/systemsettings-5.26.5.tar.xz";
-      sha256 = "1jb1d6933gq07vgg3kzqna91cpcv87p38wrk70g17iz7pszjb3ns";
-      name = "systemsettings-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/systemsettings-5.27.0.tar.xz";
+      sha256 = "0smsv1kr9c5d7ypi74hvp3hrckk41p62ddhvjvlxw44qvykby597";
+      name = "systemsettings-5.27.0.tar.xz";
    };
  };
  xdg-desktop-portal-kde = {
-    version = "5.26.5";
+    version = "5.27.0";
    src = fetchurl {
-      url = "${mirror}/stable/plasma/5.26.5/xdg-desktop-portal-kde-5.26.5.tar.xz";
-      sha256 = "1hznyl90d3xswnjs4qc6r5azw1z3pzkr7z507v696xhv41j8bzsj";
-      name = "xdg-desktop-portal-kde-5.26.5.tar.xz";
+      url = "${mirror}/stable/plasma/5.27.0/xdg-desktop-portal-kde-5.27.0.tar.xz";
+      sha256 = "069fsw47v7p63m05rf2pxllxw7f4agclndvxccyrjyvsv12hrmbh";
+      name = "xdg-desktop-portal-kde-5.27.0.tar.xz";
    };
  };
 }
--- a/pkgs/development/compilers/gcc/10/default.nix
+++ b/pkgs/development/compilers/gcc/10/default.nix
@ -186,10 +186,10 @@ stdenv.mkDerivation ({
      --replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
  ''
  + (
-    if targetPlatform != hostPlatform || stdenv.cc.libc != null then
+    lib.optionalString (targetPlatform != hostPlatform || stdenv.cc.libc != null)
      # On NixOS, use the right path to the dynamic linker instead of
      # `/lib/ld*.so'.
-      let
+      (let
        libc = if libcCross != null then libcCross else stdenv.cc.libc;
      in
        (
@ -207,8 +207,8 @@ stdenv.mkDerivation ({
        ''
            sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
        ''
-        )
-    else "")
+        ))
+      )
      + lib.optionalString targetPlatform.isAvr ''
            makeFlagsArray+=(
               '-s' # workaround for hitting hydra log limit
--- a/pkgs/development/compilers/gcc/11/default.nix
+++ b/pkgs/development/compilers/gcc/11/default.nix
@ -195,10 +195,10 @@ stdenv.mkDerivation ({
      --replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
  ''
  + (
-    if targetPlatform != hostPlatform || stdenv.cc.libc != null then
+    lib.optionalString (targetPlatform != hostPlatform || stdenv.cc.libc != null)
      # On NixOS, use the right path to the dynamic linker instead of
      # `/lib/ld*.so'.
-      let
+      (let
        libc = if libcCross != null then libcCross else stdenv.cc.libc;
      in
        (
@ -216,8 +216,8 @@ stdenv.mkDerivation ({
        ''
            sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
        ''
-        )
-    else "")
+        ))
+    )
      + lib.optionalString targetPlatform.isAvr ''
            makeFlagsArray+=(
               '-s' # workaround for hitting hydra log limit
--- a/pkgs/development/compilers/gcc/12/default.nix
+++ b/pkgs/development/compilers/gcc/12/default.nix
@ -226,10 +226,10 @@ stdenv.mkDerivation ({
      --replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
  ''
  + (
-    if targetPlatform != hostPlatform || stdenv.cc.libc != null then
+    lib.optionalString (targetPlatform != hostPlatform || stdenv.cc.libc != null)
      # On NixOS, use the right path to the dynamic linker instead of
      # `/lib/ld*.so'.
-      let
+      (let
        libc = if libcCross != null then libcCross else stdenv.cc.libc;
      in
        (
@ -248,7 +248,7 @@ stdenv.mkDerivation ({
            sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
        ''
        )
-    else "")
+    ))
      + lib.optionalString targetPlatform.isAvr ''
            makeFlagsArray+=(
               '-s' # workaround for hitting hydra log limit
--- a/pkgs/development/compilers/gcc/6/default.nix
+++ b/pkgs/development/compilers/gcc/6/default.nix
@ -246,10 +246,10 @@ stdenv.mkDerivation ({
        --replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
    ''
  + (
-    if targetPlatform != hostPlatform || stdenv.cc.libc != null then
+    lib.optionalString (targetPlatform != hostPlatform || stdenv.cc.libc != null)
      # On NixOS, use the right path to the dynamic linker instead of
      # `/lib/ld*.so'.
-      let
+      (let
        libc = if libcCross != null then libcCross else stdenv.cc.libc;
      in
        (
@ -267,8 +267,8 @@ stdenv.mkDerivation ({
        ''
            sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
        ''
-        )
-    else "");
+        ))
+    );

  inherit noSysDirs staticCompiler langJava crossStageStatic
    libcCross crossMingw;
--- a/pkgs/development/compilers/gcc/7/default.nix
+++ b/pkgs/development/compilers/gcc/7/default.nix
@ -190,10 +190,10 @@ stdenv.mkDerivation ({
      --replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
  ''
  + (
-    if targetPlatform != hostPlatform || stdenv.cc.libc != null then
+    lib.optionalString (targetPlatform != hostPlatform || stdenv.cc.libc != null)
      # On NixOS, use the right path to the dynamic linker instead of
      # `/lib/ld*.so'.
-      let
+      (let
        libc = if libcCross != null then libcCross else stdenv.cc.libc;
      in
        (
@ -211,8 +211,8 @@ stdenv.mkDerivation ({
        ''
            sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
        ''
-        )
-    else "")
+        ))
+    )
      + lib.optionalString targetPlatform.isAvr ''
        makeFlagsArray+=(
           'LIMITS_H_TEST=false'
--- a/pkgs/development/compilers/gcc/8/default.nix
+++ b/pkgs/development/compilers/gcc/8/default.nix
@ -172,10 +172,10 @@ stdenv.mkDerivation ({
      --replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
  ''
  + (
-    if targetPlatform != hostPlatform || stdenv.cc.libc != null then
+    lib.optionalString (targetPlatform != hostPlatform || stdenv.cc.libc != null)
      # On NixOS, use the right path to the dynamic linker instead of
      # `/lib/ld*.so'.
-      let
+      (let
        libc = if libcCross != null then libcCross else stdenv.cc.libc;
      in
        (
@ -193,8 +193,8 @@ stdenv.mkDerivation ({
        ''
            sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
        ''
-        )
-    else "")
+        ))
+    )
      + lib.optionalString targetPlatform.isAvr ''
            makeFlagsArray+=(
               'LIMITS_H_TEST=false'
--- a/pkgs/development/compilers/gcc/9/default.nix
+++ b/pkgs/development/compilers/gcc/9/default.nix
@ -186,10 +186,10 @@ stdenv.mkDerivation ({
      --replace "-install_name \\\$rpath/\\\$soname" "-install_name ''${!outputLib}/lib/\\\$soname"
  ''
  + (
-    if targetPlatform != hostPlatform || stdenv.cc.libc != null then
+    lib.optionalString (targetPlatform != hostPlatform || stdenv.cc.libc != null)
      # On NixOS, use the right path to the dynamic linker instead of
      # `/lib/ld*.so'.
-      let
+      (let
        libc = if libcCross != null then libcCross else stdenv.cc.libc;
      in
        (
@ -207,8 +207,8 @@ stdenv.mkDerivation ({
        ''
            sed -i gcc/config/linux.h -e '1i#undef LOCAL_INCLUDE_DIR'
        ''
-        )
-    else "")
+        ))
+    )
      + lib.optionalString targetPlatform.isAvr ''
          makeFlagsArray+=(
             'LIMITS_H_TEST=false'
--- a/pkgs/development/compilers/go/1.18.nix
+++ b/pkgs/development/compilers/go/1.18.nix
@ -155,12 +155,12 @@ stdenv.mkDerivation rec {
    ${lib.optionalString (!(GOHOSTARCH == GOARCH && GOOS == GOHOSTOS)) ''
      rm -rf pkg/${GOHOSTOS}_${GOHOSTARCH} pkg/tool/${GOHOSTOS}_${GOHOSTARCH}
    ''}
-  '' else if (stdenv.hostPlatform != stdenv.targetPlatform) then ''
+  '' else lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) ''
    rm -rf bin/*_*
    ${lib.optionalString (!(GOHOSTARCH == GOARCH && GOOS == GOHOSTOS)) ''
      rm -rf pkg/${GOOS}_${GOARCH} pkg/tool/${GOOS}_${GOARCH}
    ''}
-  '' else "");
+  '');

  installPhase = ''
    runHook preInstall
--- a/pkgs/development/compilers/go/1.19.nix
+++ b/pkgs/development/compilers/go/1.19.nix
@ -155,12 +155,12 @@ stdenv.mkDerivation rec {
    ${lib.optionalString (!(GOHOSTARCH == GOARCH && GOOS == GOHOSTOS)) ''
      rm -rf pkg/${GOHOSTOS}_${GOHOSTARCH} pkg/tool/${GOHOSTOS}_${GOHOSTARCH}
    ''}
-  '' else if (stdenv.hostPlatform != stdenv.targetPlatform) then ''
+  '' else lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) ''
    rm -rf bin/*_*
    ${lib.optionalString (!(GOHOSTARCH == GOARCH && GOOS == GOHOSTOS)) ''
      rm -rf pkg/${GOOS}_${GOARCH} pkg/tool/${GOOS}_${GOARCH}
    ''}
-  '' else "");
+  '');

  installPhase = ''
    runHook preInstall
--- a/pkgs/development/compilers/go/1.20.nix
+++ b/pkgs/development/compilers/go/1.20.nix
@ -147,12 +147,12 @@ stdenv.mkDerivation rec {
    ${lib.optionalString (!(GOHOSTARCH == GOARCH && GOOS == GOHOSTOS)) ''
      rm -rf pkg/${GOHOSTOS}_${GOHOSTARCH} pkg/tool/${GOHOSTOS}_${GOHOSTARCH}
    ''}
-  '' else if (stdenv.hostPlatform != stdenv.targetPlatform) then ''
+  '' else lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) ''
    rm -rf bin/*_*
    ${lib.optionalString (!(GOHOSTARCH == GOARCH && GOOS == GOHOSTOS)) ''
      rm -rf pkg/${GOOS}_${GOARCH} pkg/tool/${GOOS}_${GOARCH}
    ''}
-  '' else "");
+  '');

  installPhase = ''
    runHook preInstall
--- a/pkgs/development/compilers/jetbrains-jdk/default.nix
+++ b/pkgs/development/compilers/jetbrains-jdk/default.nix
@ -79,8 +79,8 @@ openjdk17.overrideAttrs (oldAttrs: rec {

  installPhase = let
    buildType = if debugBuild then "fastdebug" else "release";
-    debugSuffix = if debugBuild then "-fastdebug" else "";
-    jcefSuffix = if debugBuild then "" else "_jcef";
+    debugSuffix = lib.optionalString debugBuild "-fastdebug";
+    jcefSuffix = lib.optionalString (!debugBuild) "_jcef";
  in ''
    runHook preInstall

--- a/pkgs/development/compilers/llvm/10/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/10/bintools/default.nix
@ -1,10 +1,7 @@
-{ runCommand, stdenv, llvm, lld, version }:
+{ lib, runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/llvm/11/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/11/bintools/default.nix
@ -1,10 +1,7 @@
-{ runCommand, stdenv, llvm, lld, version }:
+{ lib, runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/llvm/12/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/12/bintools/default.nix
@ -1,10 +1,7 @@
-{ runCommand, stdenv, llvm, lld, version }:
+{ lib, runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/llvm/13/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/13/bintools/default.nix
@ -1,10 +1,7 @@
-{ runCommand, stdenv, llvm, lld, version }:
+{ lib, runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/llvm/14/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/14/bintools/default.nix
@ -1,10 +1,7 @@
-{ runCommand, stdenv, llvm, lld, version }:
+{ lib, runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/llvm/15/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/15/bintools/default.nix
@ -1,10 +1,7 @@
-{ runCommand, stdenv, llvm, lld, version }:
+{ lib, runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/llvm/7/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/7/bintools/default.nix
@ -1,10 +1,7 @@
-{ runCommand, stdenv, llvm, lld, version }:
+{ lib, runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/llvm/8/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/8/bintools/default.nix
@ -1,10 +1,7 @@
-{ runCommand, stdenv, llvm, lld, version }:
+{ lib, runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/llvm/9/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/9/bintools/default.nix
@ -1,10 +1,7 @@
-{ runCommand, stdenv, llvm, lld, version }:
+{ lib, runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/llvm/git/bintools/default.nix
+++ b/pkgs/development/compilers/llvm/git/bintools/default.nix
@ -1,10 +1,7 @@
 { runCommand, stdenv, llvm, lld, version }:

 let
-  prefix =
-    if stdenv.hostPlatform != stdenv.targetPlatform
-    then "${stdenv.targetPlatform.config}-"
-    else "";
+  prefix = lib.optionalString (stdenv.hostPlatform != stdenv.targetPlatform) "${stdenv.targetPlatform.config}-";
 in runCommand "llvm-binutils-${version}" {
  preferLocalBuild = true;
  passthru = {
--- a/pkgs/development/compilers/sbcl/2.x.nix
+++ b/pkgs/development/compilers/sbcl/2.x.nix
@ -188,7 +188,7 @@ stdenv.mkDerivation rec {
                  lib.concatStringsSep " "
                    (builtins.map (x: "--with-${x}") enableFeatures ++
                     builtins.map (x: "--without-${x}") disableFeatures)
-                } ${if stdenv.hostPlatform.system == "aarch64-darwin" then "--arch=arm64" else ""}
+                } ${lib.optionalString (stdenv.hostPlatform.system == "aarch64-darwin") "--arch=arm64"}
    (cd doc/manual ; make info)

    runHook postBuild
--- a/pkgs/development/compilers/solc/default.nix
+++ b/pkgs/development/compilers/solc/default.nix
@ -96,7 +96,7 @@ let
      for i in ./scripts/*.sh ./scripts/*.py ./test/*.sh ./test/*.py; do
        patchShebangs "$i"
      done
-      TERM=xterm ./scripts/tests.sh ${if z3Support then "--no-smt" else ""}
+      TERM=xterm ./scripts/tests.sh ${lib.optionalString z3Support "--no-smt"}
      popd
    '';

--- a/pkgs/development/compilers/swift/wrapper/default.nix
+++ b/pkgs/development/compilers/swift/wrapper/default.nix
@ -16,8 +16,7 @@ stdenv.mkDerivation (swift._wrapperParams // {
    swiftOs swiftArch
    swiftModuleSubdir swiftLibSubdir
    swiftStaticModuleSubdir swiftStaticLibSubdir;
-  swiftDriver = if useSwiftDriver
-    then "${swift-driver}/bin/swift-driver" else "";
+  swiftDriver = lib.optionalString useSwiftDriver "${swift-driver}/bin/swift-driver";

  passAsFile = [ "buildCommand" ];
  buildCommand = ''
--- a/pkgs/development/haskell-modules/make-package-set.nix
+++ b/pkgs/development/haskell-modules/make-package-set.nix
@ -254,7 +254,7 @@ in package-set { inherit pkgs lib callPackage; } self // {
    # a cabal flag with '--flag=myflag'.
    developPackage =
      { root
-      , name ? if builtins.typeOf root == "path" then builtins.baseNameOf root else ""
+      , name ? lib.optionalString (builtins.typeOf root == "path") (builtins.baseNameOf root)
      , source-overrides ? {}
      , overrides ? self: super: {}
      , modifier ? drv: drv
--- a/pkgs/development/haskell-modules/package-list.nix
+++ b/pkgs/development/haskell-modules/package-list.nix
@ -10,9 +10,8 @@ let
    let
      version = pkg.version or "";
    in
-    if isPvpVersion version then
-      ''"${name}","${version}","http://hydra.nixos.org/job/nixpkgs/trunk/haskellPackages.${name}.x86_64-linux"''
-    else "";
+    lib.optionalString (isPvpVersion version)
+      ''"${name}","${version}","http://hydra.nixos.org/job/nixpkgs/trunk/haskellPackages.${name}.x86_64-linux"'';
  all-haskellPackages = builtins.toFile "all-haskellPackages" (lib.concatStringsSep "\n" (lib.filter (x: x != "") (lib.mapAttrsToList pkgLine haskellPackages)));
 in
 runCommand "hackage-package-list" { }
--- a/pkgs/development/interpreters/dhall/generate-dhall-directory-package.nix
+++ b/pkgs/development/interpreters/dhall/generate-dhall-directory-package.nix
@ -19,7 +19,7 @@ lib.makePackageOverridable
      name = "dhall-directory-package.nix";

      buildCommand = ''
-        dhall-to-nixpkgs directory --fixed-output-derivations --file "${file}" "${src}" ${if document then "--document" else ""} > $out
+        dhall-to-nixpkgs directory --fixed-output-derivations --file "${file}" "${src}" ${lib.optionalString document "--document"} > $out
      '';

      nativeBuildInputs = [ dhall-nixpkgs ];
--- a/pkgs/development/interpreters/octave/default.nix
+++ b/pkgs/development/interpreters/octave/default.nix
@ -186,7 +186,7 @@ let
    NIX_LDFLAGS = lib.optionalString stdenv.isDarwin "-lobjc";

    # See https://savannah.gnu.org/bugs/?50339
-    F77_INTEGER_8_FLAG = if use64BitIdx then "-fdefault-integer-8" else "";
+    F77_INTEGER_8_FLAG = lib.optionalString use64BitIdx "-fdefault-integer-8";

    configureFlags = [
      "--with-blas=blas"
--- a/pkgs/development/interpreters/python/pypy/default.nix
+++ b/pkgs/development/interpreters/python/pypy/default.nix
@ -26,7 +26,7 @@ let
    inherit self sourceVersion pythonVersion packageOverrides;
    implementation = "pypy";
    libPrefix = "pypy${pythonVersion}";
-    executable = "pypy${if isPy39OrNewer then lib.versions.majorMinor pythonVersion else if isPy3k then "3" else ""}";
+    executable = "pypy${if isPy39OrNewer then lib.versions.majorMinor pythonVersion else lib.optionalString isPy3k "3"}";
    sitePackages = "site-packages";
    hasDistutilsCxxPatch = false;
    inherit pythonAttr;
--- a/pkgs/development/interpreters/python/pypy/prebuilt.nix
+++ b/pkgs/development/interpreters/python/pypy/prebuilt.nix
@ -32,7 +32,7 @@ let
    inherit self sourceVersion pythonVersion packageOverrides;
    implementation = "pypy";
    libPrefix = "pypy${pythonVersion}";
-    executable = "pypy${if isPy3k then "3" else ""}";
+    executable = "pypy${lib.optionalString isPy3k "3"}";
    sitePackages = "lib/${libPrefix}/site-packages";
    hasDistutilsCxxPatch = false;

--- a/pkgs/development/interpreters/python/pypy/prebuilt_2_7.nix
+++ b/pkgs/development/interpreters/python/pypy/prebuilt_2_7.nix
@ -32,7 +32,7 @@ let
    inherit self sourceVersion pythonVersion packageOverrides;
    implementation = "pypy";
    libPrefix = "pypy${pythonVersion}";
-    executable = "pypy${if isPy3k then "3" else ""}";
+    executable = "pypy${lib.optionalString isPy3k "3"}";
    sitePackages = "site-packages";
    hasDistutilsCxxPatch = false;

--- a/pkgs/development/interpreters/ruby/ruby-version.nix
+++ b/pkgs/development/interpreters/ruby/ruby-version.nix
@ -55,9 +55,9 @@ let
        self.majMinTiny + (
          if self.patchLevel != null then
            "-p${self.patchLevel}"
-          else if self.tail != "" then
-            "-${self.tail}"
-          else "");
+          else
+            lib.optionalString (self.tail != "") "-${self.tail}"
+        );
    };
 in
  rubyVersion
--- a/Show more
+++ b/Show more