$ git clone -n https://src.fedoraproject.org/rpms/perl-POE-Component-Server-Bayeux.git /var/lib/mock/f45-build-25551-611/root/chroot_tmpdir/scmroot/perl-POE-Component-Server-Bayeux
Cloning into '/var/lib/mock/f45-build-25551-611/root/chroot_tmpdir/scmroot/perl-POE-Component-Server-Bayeux'...
$ git fetch origin 5cf13dab7105468394fcd647e13fc3efa8011dbb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-POE-Component-Server-Bayeux
 * [new ref]         5cf13dab7105468394fcd647e13fc3efa8011dbb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cf13da Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild