$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-ArrayRef.git /var/lib/mock/f45-build-25027-609/root/chroot_tmpdir/scmroot/perl-MooseX-ArrayRef
Cloning into '/var/lib/mock/f45-build-25027-609/root/chroot_tmpdir/scmroot/perl-MooseX-ArrayRef'...
$ git fetch origin e5591ec9314f4714cdd240be287701d6d5d2df83:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-ArrayRef
 * [new ref]         e5591ec9314f4714cdd240be287701d6d5d2df83 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5591ec Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild