$ git clone -n https://src.fedoraproject.org/rpms/perl-Schedule-Cron-Events.git /var/lib/mock/f45-build-26165-616/root/chroot_tmpdir/scmroot/perl-Schedule-Cron-Events
Cloning into '/var/lib/mock/f45-build-26165-616/root/chroot_tmpdir/scmroot/perl-Schedule-Cron-Events'...
$ git fetch origin ed6f28241d6fad70bcedd3c9e7400e9ab05209a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Schedule-Cron-Events
 * [new ref]         ed6f28241d6fad70bcedd3c9e7400e9ab05209a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed6f282 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild