anchor.diff:        owner = "mattermost";
         repo = "mattermost-server";
         rev = "v${version}";
  -      sha256 = "+6bLkzqlcty8X+mbNkZnHzC8tK8EJwmWAYz3jZ/6q2w=";
  +      sha256 = "OSN8Bscgv7rPfKIfZ3ZnegdgsygFpSM7/vGWojj0P3k=";
       };
   
       ldflags = [
  
positive.code: 
      src = fetchurl {
        url = "https://releases.mattermost.com/${version}/mattermost-${version}-linux-amd64.tar.gz";
        sha256 = "dxgoYFgW+KKtfNr+1pr7bA9K79gCXpKebTIWDhneuv0=";
      };
  
      installPhase = ''
  
negative.code: , storePathAsBuildHash ? false }:
  
  let
    version = "6.3.3";
  
    goPackagePath = "github.com/mattermost/mattermost-server";
  
  