anchor.diff:  { fetchurl, stdenv, buildPackages
  +, fetchpatch
   , curl, openssl, zlib, expat, perlPackages, python3, gettext, cpio
   , gnugrep, gnused, gawk, coreutils # needed at runtime by git-filter-branch etc
   , openssh, pcre2
  
positive.code:     ./ssh-path.patch
      ./git-send-email-honor-PATH.patch
      ./installCheck-path.patch
    ];
  
    postPatch = ''
  
negative.code:         notSupported $out/libexec/git-core/git-send-email
        '')
  
     + stdenv.lib.optionalString withManual ''# Install man pages
         make -j $NIX_BUILD_CORES -l $NIX_BUILD_CORES USE_ASCIIDOCTOR=1 PERL_PATH="${buildPackages.perl}/bin/perl" cmd-list.made install install-html \
           -C Documentation ''
  
     + (if guiSupport then ''
  