$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-Xerces.git /var/lib/mock/f31-build-44307-26039/root/thebuilddir/tmp/scmroot/perl-XML-Xerces
Cloning into '/var/lib/mock/f31-build-44307-26039/root/thebuilddir/tmp/scmroot/perl-XML-Xerces'...
$ git reset --hard 2fc0e79270711d3409fd1bf9a267f43595a38ab8
HEAD is now at 2fc0e79 Perl 5.30 rebuild