$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-Strip.git /var/lib/mock/f41-build-816522-150225/root/chroot_tmpdir/scmroot/perl-HTML-Strip
Cloning into '/var/lib/mock/f41-build-816522-150225/root/chroot_tmpdir/scmroot/perl-HTML-Strip'...
$ git fetch origin c5fbea85ad20fdfbbaf5f48e472312178dfbcf8e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-Strip
 * [new ref]         c5fbea85ad20fdfbbaf5f48e472312178dfbcf8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5fbea8 Perl 5.40 rebuild