winbox4: add migration script

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>

pkgs/by-name/wi/winbox4/package.nix

@@ -8,8 +8,10 @@
   libGL,
   libxkbcommon,
   makeDesktopItem,
+  makeWrapper,
   stdenvNoCC,
   unzip,
+  writeShellApplication,
   xorg,
   zlib,
 }:
@@ -29,6 +31,8 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   nativeBuildInputs = [
     autoPatchelfHook
     copyDesktopItems
+    # makeBinaryWrapper does not support --run
+    makeWrapper
     unzip
   ];
 
@@ -49,7 +53,9 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     runHook preInstall
 
     install -Dm644 "assets/img/winbox.png" "$out/share/pixmaps/winbox.png"
-    install -Dm755 "WinBox" $out/bin/WinBox
+    install -Dm755 "WinBox" "$out/bin/WinBox"
+
+    wrapProgram "$out/bin/WinBox" --run "${lib.getExe finalAttrs.migrationScript}"
 
     runHook postInstall
   '';
@@ -65,6 +71,45 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     })
   ];
 
+  migrationScript = writeShellApplication {
+    name = "winbox-migrate";
+    text = ''
+      XDG_DATA_HOME=''${XDG_DATA_HOME:-$HOME/.local/share}
+      targetFile="$XDG_DATA_HOME/MikroTik/WinBox/Addresses.cdb"
+
+      if [ -f "$targetFile" ]; then
+        echo "NixOS: WinBox 4 data already present at $(dirname "$targetFile"). Skipping automatic migration."
+        exit 0
+      fi
+
+      # cover both wine prefix variants
+      # latter was used until https://github.com/NixOS/nixpkgs/pull/329626 was merged on 2024/07/24
+      winePrefixes=(
+        "''${WINEPREFIX:-$HOME/.wine}"
+        "''${WINBOX_HOME:-$XDG_DATA_HOME/winbox}/wine"
+      )
+      sourceFilePathSuffix="drive_c/users/$USER/AppData/Roaming/Mikrotik/Winbox/Addresses.cdb"
+      selectedSourceFile=""
+
+      for prefix in "''${winePrefixes[@]}"
+      do
+        echo "NixOS: Probing WinBox 3 data path at $prefix..."
+        if [ -f "$prefix/$sourceFilePathSuffix" ]; then
+          selectedSourceFile="$prefix/$sourceFilePathSuffix"
+          break
+        fi
+      done
+
+      if [ -z "$selectedSourceFile" ]; then
+        echo "NixOS: WinBox 3 data not found. Skipping automatic migration."
+        exit 0
+      fi
+
+      echo "NixOS: Automatically migrating WinBox 3 data..."
+      install -Dvm644 "$selectedSourceFile" "$targetFile"
+    '';
+  };
+
   meta = {
     description = "Graphical configuration utility for RouterOS-based devices";
     homepage = "https://mikrotik.com";
@@ -73,6 +118,9 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
     license = lib.licenses.unfree;
     mainProgram = "WinBox";
-    maintainers = with lib.maintainers; [ Scrumplex yrd ];
+    maintainers = with lib.maintainers; [
+      Scrumplex
+      yrd
+    ];
   };
 })