anchor.diff:  
     git-rebase-mode = melpaBuild rec {
       pname = "git-rebase-mode";
  -    version = "0.15.0";
  +    version = "1.0.0";
       src = fetchFromGitHub {
         owner  = "magit";
         repo   = "git-modes";
         rev    = version;
  -      sha256 = "1x03276yq63cddc89n8i47k1f6p26b7a5la4hz66fdf15gmr8496";
  +      sha256 = "12a1xs3w2dp1a55qhc01dwjkavklgfqnn3yw85dhi4jdz8r8j7m0";
       };
       files = [ "git-rebase-mode.el" ];
       meta = { license = gpl3Plus; };
  
positive.code: 
    gitattributes-mode = melpaBuild rec {
      pname = "gitattributes-mode";
      version = "0.15.0";
      src = fetchFromGitHub {
        owner  = "magit";
        repo   = "git-modes";
        rev    = version;
        sha256 = "1x03276yq63cddc89n8i47k1f6p26b7a5la4hz66fdf15gmr8496";
      };
      files = [ "gitattributes-mode.el" ];
      meta = { license = gpl3Plus; };
  
negative.code: 
    git-commit-mode = melpaBuild rec {
      pname = "git-commit-mode";
      version = "1.0.0";
      src = fetchFromGitHub {
        owner  = "magit";
        repo   = "git-modes";
        rev    = version;
        sha256 = "12a1xs3w2dp1a55qhc01dwjkavklgfqnn3yw85dhi4jdz8r8j7m0";
      };
      files = [ "git-commit-mode.el" ];
      meta = { license = gpl3Plus; };
  