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: assert svnSupport -> perlSupport;
  
  let
    version = "2.18.0";
    svn = subversionClient.override { perlBindings = perlSupport; };
  in
  
  
negative.code: 
      # Tested to fail: 2.18.0
      disable_test t9902-completion "sourcing the completion script clears cached --options"
  
      # As of 2.19.0, t5562 refers to #!/usr/bin/perl
      patchShebangs t/t5562/invoke-with-content-length.pl
    '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
      # Test fails (as of 2.17.0, musl 1.1.19)
      disable_test t3900-i18n-commit
  