$ git clone -n https://src.fedoraproject.org/rpms/perl-PerlX-Maybe-XS.git /var/lib/mock/f45-build-25803-613/root/chroot_tmpdir/scmroot/perl-PerlX-Maybe-XS
Cloning into '/var/lib/mock/f45-build-25803-613/root/chroot_tmpdir/scmroot/perl-PerlX-Maybe-XS'...
$ git fetch origin 9d8eead55f2534d59707d99b513c5081f1c7b182:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PerlX-Maybe-XS
 * [new ref]         9d8eead55f2534d59707d99b513c5081f1c7b182 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d8eead Perl 5.44 rebuild