$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-AsObject.git /var/lib/mock/f45-build-22837-594/root/chroot_tmpdir/scmroot/perl-Data-AsObject
Cloning into '/var/lib/mock/f45-build-22837-594/root/chroot_tmpdir/scmroot/perl-Data-AsObject'...
$ git fetch origin 012a619b89e49fd111f7d388f84c951d87a04ed0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-AsObject
 * [new ref]         012a619b89e49fd111f7d388f84c951d87a04ed0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 012a619 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild