cursor-nixos-flake/flake.nix

{
  description = "Cursor AppImage package flake";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs = { self, nixpkgs }: 
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
      
      buildCursor = { version, url, sha256 }: 
        let
          src = pkgs.fetchurl { inherit url sha256; };
          
          # Extract the AppImage to get access to the icon and desktop file
          appimageContents = pkgs.appimageTools.extract {
            inherit version src;
            pname = "cursor";
          };
          
          unwrapped = pkgs.appimageTools.wrapType2 {
            pname = "cursor";
            inherit version src;
            
            extraPkgs = p: with p; [
              glib gtk3 cairo pango atk gdk-pixbuf
              xorg.libX11 xorg.libXcomposite xorg.libXcursor
              xorg.libXext xorg.libXfixes xorg.libXi
              xorg.libXrandr xorg.libXrender xorg.libXtst
              nss nspr dbus at-spi2-atk at-spi2-core
              mesa alsa-lib fuse libxkbcommon xorg.libxkbfile
            ];
          };
        in
        pkgs.stdenv.mkDerivation {
          pname = "cursor";
          inherit version;
          
          nativeBuildInputs = [ pkgs.makeWrapper ];
          
          unpackPhase = "true";
          
          installPhase = ''
            mkdir -p $out/bin $out/share/applications $out/share/icons/hicolor/scalable/apps $out/share/icons/hicolor/256x256/apps $out/share/pixmaps
            
            # Create version-aware wrapper script
            cat > $out/bin/cursor << EOF
            #!/usr/bin/env bash
            if [[ "\$1" == "--version" || "\$1" == "-v" ]]; then
              echo "${version}"
              exit 0
            fi
            export CURSOR_DISABLE_UPDATE="1"
            export CURSOR_SKIP_UPDATE_CHECK="1"
            export XDG_CACHE_HOME="\$(mktemp -d -t cursor-xdg-cache-XXXXXX)"
            export CURSOR_CACHE_DIR="\$(mktemp -d -t cursor-cache-XXXXXX)"
            exec "${unwrapped}/bin/cursor" "\$@"
            EOF
            chmod +x $out/bin/cursor
            
            # Extract and install icon (try multiple possible locations and formats)
            if [ -f "${appimageContents}/cursor.png" ]; then
              cp "${appimageContents}/cursor.png" $out/share/pixmaps/cursor.png
              cp "${appimageContents}/cursor.png" $out/share/icons/hicolor/256x256/apps/cursor.png
            elif [ -f "${appimageContents}/Cursor.png" ]; then
              cp "${appimageContents}/Cursor.png" $out/share/pixmaps/cursor.png
              cp "${appimageContents}/Cursor.png" $out/share/icons/hicolor/256x256/apps/cursor.png
            elif [ -f "${appimageContents}/usr/share/pixmaps/cursor.png" ]; then
              cp "${appimageContents}/usr/share/pixmaps/cursor.png" $out/share/pixmaps/cursor.png
              cp "${appimageContents}/usr/share/pixmaps/cursor.png" $out/share/icons/hicolor/256x256/apps/cursor.png
            elif [ -f "${appimageContents}/usr/share/icons/hicolor/256x256/apps/cursor.png" ]; then
              cp "${appimageContents}/usr/share/icons/hicolor/256x256/apps/cursor.png" $out/share/pixmaps/cursor.png
              cp "${appimageContents}/usr/share/icons/hicolor/256x256/apps/cursor.png" $out/share/icons/hicolor/256x256/apps/cursor.png
            fi
            
            # Try SVG icon as well
            if [ -f "${appimageContents}/cursor.svg" ]; then
              cp "${appimageContents}/cursor.svg" $out/share/icons/hicolor/scalable/apps/cursor.svg
            elif [ -f "${appimageContents}/Cursor.svg" ]; then
              cp "${appimageContents}/Cursor.svg" $out/share/icons/hicolor/scalable/apps/cursor.svg
            elif [ -f "${appimageContents}/usr/share/icons/hicolor/scalable/apps/cursor.svg" ]; then
              cp "${appimageContents}/usr/share/icons/hicolor/scalable/apps/cursor.svg" $out/share/icons/hicolor/scalable/apps/cursor.svg
            fi
            
            # Create desktop entry
            cat > $out/share/applications/cursor.desktop << EOF
            [Desktop Entry]
            Name=Cursor
            Comment=AI-powered code editor
            GenericName=Text Editor
            Exec=$out/bin/cursor %F
            Icon=cursor
            Type=Application
            StartupNotify=true
            MimeType=text/plain;text/x-chdr;text/x-csrc;text/x-c++hdr;text/x-c++src;text/x-java;text/x-dsrc;text/x-pascal;text/x-perl;text/x-python;application/x-php;application/x-httpd-php3;application/x-httpd-php4;application/x-httpd-php5;application/javascript;application/json;text/x-markdown;text/x-web-markdown;text/html;text/css;text/x-sql;text/x-diff;
            Categories=Development;IDE;
            Keywords=editor;development;programming;ide;
            StartupWMClass=Cursor
            EOF
          '';
        };
    in
    {
      packages.${system} = {
        default = self.packages.${system}.cursor;
        cursor = buildCursor {
          version = "2.0.43";
          url = "https://downloads.cursor.com/production/8e4da76ad196925accaa169efcae28c45454cce3/linux/x64/Cursor-2.0.43-x86_64.AppImage";
          sha256 = "05hk9xlnwyrnxqg2ny7nspmcrcwmjv3bqi8ywpddvxa836wbnkx2";  # Will be updated by GitHub Actions
        };
      };

      # Overlay for easy integration into other flakes
      overlays.default = final: prev: {
        cursor = self.packages.${system}.cursor;
      };
    };
}