anchor.diff:  
     self = python3Packages.buildPythonApplication rec {
       pname = "mercurial${lib.optionalString fullBuild "-full"}";
  -    version = "6.1.1";
  +    version = "6.1.2";
   
       src = fetchurl {
         url = "https://mercurial-scm.org/release/mercurial-${version}.tar.gz";
  -      sha256 = "sha256-V7ikYdDOE9muOBfYqL35Ay407fqsPbzLO2a4NdzpM4g=";
  +      sha256 = "sha256-pSgQ/AFAmCjEl00Lwsu1yA6UjVtYTPsadpliPpJKLyo=";
       };
   
       format = "other";
  
positive.code:     cargoDeps = if rustSupport then rustPlatform.fetchCargoTarball {
        inherit src;
        name = "mercurial-${version}";
        sha256 = "sha256-HYH7+OD11kdZdxFrx1KVle1NesS3fAgwVXJpAeiXDTo=";
        sourceRoot = "mercurial-${version}/rust";
      } else null;
      cargoRoot = if rustSupport then "rust" else null;
  
negative.code:     EOF
  
      export HGTEST_REAL_HG="${mercurial}/bin/hg"
      # include tests for native components
      export HGMODULEPOLICY="rust+c"
      # extended timeout necessary for tests to pass on the busy CI workers
      export HGTESTFLAGS="--blacklist blacklists/nix --timeout 1800 -j$NIX_BUILD_CORES ${flags}"
      make check
  