commit 04398840c04c06818d9bbbe1b74fb50f839ffb51
Author: Gregory Bednov <gregorbednov@gmail.com>
Date:   Wed Sep 2 11:08:59 2026 +0300

            новый файл:    flake.lock
            новый файл:    flake.nix
            новый файл:    pkgs/codesys2/default.nix
            новый файл:    pkgs/codesys2/setup.iss
            новый файл:    pkgs/codesys3/default.nix
            новый файл:    pkgs/mfc42/default.nix
            новый файл:    pkgs/mspaintxp/default.nix
            новый файл:    pkgs/vcredist2019/default.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..76e7ff9
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1787814960,
+        "narHash": "sha256-PYZq1qzCJXC2zGI0mH07vrZBsw6DRBAOX0jN1pPtqOQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "c27cdad491a991b11ed731760aa2ef8db0cb0410",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..921c10a
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,43 @@
+{
+  description = "MS Paint Windows XP via Wine";
+
+  inputs.nixpkgs.url = "github:nixos/nixpkgs?ref=nixpkgs-unstable";
+
+  outputs =
+    { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+    in
+    {
+      packages.${system} = rec {
+        default = mspaintxp;
+
+        mfc42 = pkgs.callPackage ./pkgs/mfc42 { };
+
+        mspaintxp = pkgs.callPackage ./pkgs/mspaintxp {
+          inherit mfc42;
+          exe = ./XP_mspaintxp.exe;
+        };
+
+        codesys2 = pkgs.callPackage ./pkgs/codesys2 {
+          src = ./pkgs/codesys2/installed.tar.xz;
+        };
+
+        vcredist2019 = pkgs.callPackage ./pkgs/vcredist2019 { };
+
+        codesys3 = pkgs.callPackage ./pkgs/codesys3 {
+          inherit vcredist2019;
+          src = ./pkgs/codesys3/prefix.tar.xz;
+        };
+      };
+
+      devShells.${system}.default = pkgs.mkShell {
+        packages = [
+          pkgs.wine
+          pkgs.winetricks
+          self.packages.${system}.mspaintxp
+        ];
+      };
+    };
+}
diff --git a/pkgs/codesys2/default.nix b/pkgs/codesys2/default.nix
new file mode 100644
index 0000000..f060131
--- /dev/null
+++ b/pkgs/codesys2/default.nix
@@ -0,0 +1,47 @@
+{
+  stdenv,
+  makeWrapper,
+  makeDesktopItem,
+  copyDesktopItems,
+  wine,
+  src,
+}:
+
+stdenv.mkDerivation {
+  pname = "codesys2";
+  version = "2.3.8.1";
+
+  inherit src;
+  sourceRoot = ".";
+
+  nativeBuildInputs = [
+    makeWrapper
+    copyDesktopItems
+  ];
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "codesys2";
+      desktopName = "CoDeSys 2";
+      genericName = "PLC Programming";
+      exec = "codesys2";
+      categories = [ "Development" ];
+      startupWMClass = "codesys.exe";
+    })
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    app=$out/share/codesys2
+    install -d $app
+    cp -r . $app/
+
+    makeWrapper ${wine}/bin/wine $out/bin/codesys2 \
+      --add-flags "$app/Codesys.exe"
+
+    runHook postInstall
+  '';
+
+  meta.mainProgram = "codesys2";
+}
diff --git a/pkgs/codesys2/setup.iss b/pkgs/codesys2/setup.iss
new file mode 100644
index 0000000..d2cc12d
--- /dev/null
+++ b/pkgs/codesys2/setup.iss
@@ -0,0 +1,70 @@
+[InstallShield Silent]
+Version=v6.00.000
+File=Response File
+[File Transfer]
+OverwrittenReadOnly=NoToAll
+[{07976ABB-1EBD-4A65-A7C7-155A0DC17173}-DlgOrder]
+Dlg0={07976ABB-1EBD-4A65-A7C7-155A0DC17173}-MessageBox-0
+Count=8
+Dlg1={07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdWelcome-0
+Dlg2={07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdAskDestPath-0
+Dlg3={07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdComponentTree-0
+Dlg4={07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdSelectFolder-0
+Dlg5={07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdShowInfoList-0
+Dlg6={07976ABB-1EBD-4A65-A7C7-155A0DC17173}-MessageBox-1
+Dlg7={07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdFinish-0
+[{07976ABB-1EBD-4A65-A7C7-155A0DC17173}-MessageBox-0]
+Result=1
+[{07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdWelcome-0]
+Result=1
+[{07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdAskDestPath-0]
+szDir=C:\Program Files\3S Software
+Result=1
+[{07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdComponentTree-0]
+szDir=C:\Program Files\3S Software
+Ko_CoDeSys-type=string
+Ko_CoDeSys-count=2
+Ko_CoDeSys-0=Ko_CoDeSys\Neu InstallDialogue Object 1
+Ko_CoDeSys-1=Ko_CoDeSys\Neu MediaRead 1
+Ko_Communication\Ko_Gateway-type=string
+Ko_Communication\Ko_Gateway-count=1
+Ko_Communication\Ko_Gateway-0=Ko_Communication\Ko_Gateway\Ko_Gateway_ProgSys
+Ko_Communication-type=string
+Ko_Communication-count=2
+Ko_Communication-0=Ko_Communication\Ko_Gateway
+Ko_Communication-1=Ko_Communication\Ko_OPC
+Component-type=string
+Component-count=12
+Component-0=Ko_CoDeSys
+Component-1=Ko_CoDeSys Base
+Component-2=Ko_LicenseManager
+Component-3=Ko_SoftMotion
+Component-4=Ko_CoDeSysHMI
+Component-5=Ko_Communication
+Component-6=Ko_InstallTarget
+Component-7=Ko_Link
+Component-8=Ko_PLCWinNT
+Component-9=Ko_WebServer
+Component-10=Ko_CoDeSysINI
+Component-11=Ko_VersionInfo
+Result=1
+[{07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdSelectFolder-0]
+szFolder=3S Software
+Result=1
+[{07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdShowInfoList-0]
+Result=1
+[Application]
+Name=CoDeSys for Automation Alliance
+Version=2.3.000
+Company=3S-Smart Software Solutions GmbH
+Lang=0009
+[{07976ABB-1EBD-4A65-A7C7-155A0DC17173}-MessageBox-1]
+Result=1
+[{07976ABB-1EBD-4A65-A7C7-155A0DC17173}-SdFinish-0]
+Result=1
+bOpt1=0
+bOpt2=0
+[{533A955C-332B-484A-8F78-82FD1E718D04}-DlgOrder]
+Count=0
+[{D254075A-A1C7-4E4C-8DCE-8F4B08A8F463}-DlgOrder]
+Count=0
diff --git a/pkgs/codesys3/default.nix b/pkgs/codesys3/default.nix
new file mode 100644
index 0000000..05fa99d
--- /dev/null
+++ b/pkgs/codesys3/default.nix
@@ -0,0 +1,72 @@
+{
+  stdenv,
+  makeWrapper,
+  makeDesktopItem,
+  copyDesktopItems,
+  wineWowPackages,
+  vcredist2019,
+  # Full win64 Wine prefix produced by installing CODESYS 3.5.15.20 interactively
+  # (with dotnet462, msxml4/6 via winetricks). See pkgs/codesys3/README for steps.
+  src,
+}:
+
+let
+  wine = wineWowPackages.stable;
+in
+
+stdenv.mkDerivation {
+  pname = "codesys3";
+  version = "3.5.15.20";
+
+  inherit src;
+  sourceRoot = ".";
+
+  nativeBuildInputs = [
+    makeWrapper
+    copyDesktopItems
+  ];
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "codesys3";
+      desktopName = "CODESYS 3.5";
+      genericName = "PLC Programming";
+      exec = "codesys3";
+      categories = [ "Development" ];
+      startupWMClass = "CODESYS.exe";
+    })
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    # The src is a full wine prefix (win64). Copy it to the store as a read-only
+    # template; the wrapper inflates it to ~/.local/share/codesys3 on first run.
+    install -d $out/share/codesys3-prefix
+    cp -r . $out/share/codesys3-prefix/
+
+    # Also expose the vcredist2019 DLLs so the wrapper can drop them in on demand.
+    install -d $out/share/codesys3-windll
+    cp ${vcredist2019}/windll/*.dll $out/share/codesys3-windll/
+
+    makeWrapper ${wine}/bin/wine $out/bin/codesys3 \
+      --run '
+        PREFIX="$HOME/.local/share/codesys3-prefix"
+        if [ ! -f "$PREFIX/.codesys3-ready" ]; then
+          echo "Setting up CODESYS 3 prefix (first run, may take a moment)..."
+          rm -rf "$PREFIX"
+          cp -r '"$out/share/codesys3-prefix"' "$PREFIX"
+          chmod -R u+w "$PREFIX"
+          touch "$PREFIX/.codesys3-ready"
+        fi
+        export WINEPREFIX="$PREFIX"
+        export WINEARCH=win64
+        export WINEDEBUG=-all
+      ' \
+      --add-flags '"C:\\Program Files\\CODESYS 3.5.15.20\\CODESYS\\Common\\CODESYS.exe"'
+
+    runHook postInstall
+  '';
+
+  meta.mainProgram = "codesys3";
+}
diff --git a/pkgs/mfc42/default.nix b/pkgs/mfc42/default.nix
new file mode 100644
index 0000000..5c2fdbc
--- /dev/null
+++ b/pkgs/mfc42/default.nix
@@ -0,0 +1,31 @@
+# mfc42.dll / mfc42u.dll, taken from the Visual C++ 6.0 redistributable.
+{
+  runCommand,
+  fetchurl,
+  p7zip,
+  cabextract,
+}:
+
+let
+  # To get the hash: nix-prefetch-url --type sha256 <url>
+  redist = fetchurl {
+    url = "https://download.microsoft.com/download/vc60pro/Update/2/W9XNT4/EN-US/VC6RedistSetup_deu.exe";
+    hash = "sha256-wuuR2cREjVDkajL+y8w7QYcG0AK+q5tfSYHeVSCYzuc=";
+  };
+in
+
+runCommand "mfc42"
+  {
+    nativeBuildInputs = [
+      p7zip
+      cabextract
+    ];
+  }
+  ''
+    # VC6RedistSetup_deu.exe is a self-extracting archive that 7z can unpack;
+    # the vcredist.exe inside it is a CAB holding the actual DLLs.
+    7z e ${redist} vcredist.exe -otmp -y
+
+    mkdir -p $out/windll
+    cabextract tmp/vcredist.exe -d $out/windll -F "mfc42*.dll"
+  ''
diff --git a/pkgs/mspaintxp/default.nix b/pkgs/mspaintxp/default.nix
new file mode 100644
index 0000000..cf7825d
--- /dev/null
+++ b/pkgs/mspaintxp/default.nix
@@ -0,0 +1,86 @@
+{
+  stdenv,
+  makeWrapper,
+  makeDesktopItem,
+  copyDesktopItems,
+  icoutils,
+  wine,
+  mfc42,
+  # The Paint binary lifted out of a Windows XP install.
+  exe,
+}:
+
+stdenv.mkDerivation {
+  pname = "mspaintxp";
+  version = "xp";
+
+  src = exe;
+  dontUnpack = true;
+
+  nativeBuildInputs = [
+    makeWrapper
+    copyDesktopItems
+    icoutils
+  ];
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "mspaintxp";
+      desktopName = "Paint (Windows XP)";
+      genericName = "Image Editor";
+      exec = "mspaintxp %f";
+      icon = "mspaintxp";
+      categories = [
+        "Graphics"
+        "2DGraphics"
+        "RasterGraphics"
+      ];
+      mimeTypes = [
+        "image/bmp"
+        "image/gif"
+        "image/jpeg"
+        "image/png"
+        "image/tiff"
+      ];
+      # Wine names the window class after the .exe; this lets the taskbar
+      # match the running window back to this entry.
+      startupWMClass = "mspaint.exe";
+    })
+  ];
+
+  # Windows DLLs this .exe needs at runtime. Works like buildInputs: Nix hands
+  # the list to the builder as a space-separated string of store paths, and
+  # installPhase pulls $dep/windll out of each one. Add a dependency by adding
+  # a package here.
+  winDlls = [ mfc42 ];
+
+  installPhase = ''
+    runHook preInstall
+
+    app=$out/share/mspaintxp
+    install -Dm644 $src $app/mspaint.exe
+
+    # Wine resolves imports from the .exe's own directory first, so the
+    # dependencies only have to land next to it.
+    for dep in $winDlls; do
+      install -Dm644 $dep/windll/*.dll -t $app
+    done
+
+    makeWrapper ${wine}/bin/wine $out/bin/mspaintxp \
+      --add-flags $app/mspaint.exe
+
+    # Resource group 2 is Paint's own application icon (the pencil cup);
+    # it ships 16/32/48px variants, of which the 32-bit ones look best.
+    wrestool -x -t 14 -n 2 $src -o app.ico
+    for size in 16 32 48; do
+      icons=$out/share/icons/hicolor/''${size}x''${size}/apps
+      mkdir -p $icons
+      icotool -x --bit-depth=32 --width=$size --height=$size \
+        -o $icons/mspaintxp.png app.ico
+    done
+
+    runHook postInstall
+  '';
+
+  meta.mainProgram = "mspaintxp";
+}
diff --git a/pkgs/vcredist2019/default.nix b/pkgs/vcredist2019/default.nix
new file mode 100644
index 0000000..43b6f83
--- /dev/null
+++ b/pkgs/vcredist2019/default.nix
@@ -0,0 +1,35 @@
+# Visual C++ 2019 (MSVC 14.29) x64 runtime DLLs.
+# msvcp140.dll, vcruntime140.dll, concrt140.dll, mfc140.dll, and friends.
+{
+  runCommand,
+  fetchurl,
+  cabextract,
+  p7zip,
+}:
+
+let
+  redist = fetchurl {
+    url = "https://aka.ms/vs/16/release/vc_redist.x64.exe";
+    hash = "sha256-avrming/ESkhSRdYRK7Q4s4/JHvAJQ9ssYyTEpWz85k=";
+  };
+in
+
+runCommand "vcredist2019"
+  { nativeBuildInputs = [ cabextract p7zip ]; }
+  ''
+    # The vcredist bundle is a WiX burn exe. Its structure:
+    #   - PE stub (bootstrapper)
+    #   - First CAB at offset 479744: bootstrapper UI resources
+    #   - Second CAB at offset 684808: payload packages (MSIs + their CABs)
+    #
+    # We skip straight to the second CAB which contains the DLL payloads
+    # in its a11/a12/a13 inner CABs.
+    dd if=${redist} bs=1 skip=684808 of=container.cab 2>/dev/null
+    cabextract container.cab -d pkgs 2>/dev/null
+
+    mkdir -p $out/windll
+    # a11 = vcRuntimeMinimum_x64 payload, a12 = additional, a13 = MFC
+    for cab in pkgs/a11 pkgs/a12 pkgs/a13; do
+      [ -f "$cab" ] && cabextract "$cab" -F '*.dll' -d $out/windll 2>/dev/null || true
+    done
+  ''