let
  obsidian = _: super: {
    obsidian = super.obsidian.overrideAttrs (
      _: rec {
        version = "1.3.5";
        filename =
          if super.stdenv.isDarwin then "Obsidian-${version}-universal.dmg" else "obsidian-${version}.tar.gz";
        src = super.fetchurl {
          url = "https://github.com/obsidianmd/obsidian-releases/releases/download/v${version}/${filename}";
          sha256 =
            if super.stdenv.isDarwin then
              "sha256-bTIJwQqufzxq1/ZxR8rVYER82tl0pPMpKwDPr9Gz1Q4="
            else
              "sha256-jhm6ziFaJnv4prPSfOnJ/EbIRTf9rnvzAJVxnVqmWE4=";
        };
      }
    );
  };
in
obsidian