anchor.diff:  
       # XXX: I failed to understand why this one fails.
       # Could someone try to re-enable it on the next release ?
  -    # Tested to fail: 2.18.0
  +    # Tested to fail: 2.18.0 and 2.19.0
       disable_test t1700-split-index "null sha1"
   
       # Tested to fail: 2.18.0
  
positive.code: 
      # Tested to fail: 2.18.0
      disable_test t9902-completion "sourcing the completion script clears cached --options"
    '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
      # Test fails (as of 2.17.0, musl 1.1.19)
      disable_test t3900-i18n-commit
  
negative.code: 
    src = fetchurl {
      url = "https://www.kernel.org/pub/software/scm/git/git-${version}.tar.xz";
      sha256 = "1x1y5z3awabmfg7hk6zb331jxngad4nal4507v96bnf0izsyy3qq";
    };
  
    outputs = [ "out" ] ++ stdenv.lib.optional perlSupport "gitweb";
  