$ git clone -n https://src.fedoraproject.org/rpms/perl-Rose-DateTime.git /var/lib/mock/f45-build-26063-614/root/chroot_tmpdir/scmroot/perl-Rose-DateTime
Cloning into '/var/lib/mock/f45-build-26063-614/root/chroot_tmpdir/scmroot/perl-Rose-DateTime'...
$ git fetch origin cf94bc39caf987e7e6a9145cd51b4766c094f4db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Rose-DateTime
 * [new ref]         cf94bc39caf987e7e6a9145cd51b4766c094f4db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf94bc3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild