$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-BibTeX.git /var/lib/mock/f29-build-6351-1554/root/thebuilddir/tmp/scmroot/perl-Text-BibTeX
Cloning into '/var/lib/mock/f29-build-6351-1554/root/thebuilddir/tmp/scmroot/perl-Text-BibTeX'...
$ git reset --hard 6b8c4ec1947037dabedbc3072213cafc41859341
HEAD is now at 6b8c4ec - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild