$ git clone -n https://src.fedoraproject.org/rpms/perl-Mojo-RabbitMQ-Client.git /var/lib/mock/f45-build-24942-607/root/chroot_tmpdir/scmroot/perl-Mojo-RabbitMQ-Client
Cloning into '/var/lib/mock/f45-build-24942-607/root/chroot_tmpdir/scmroot/perl-Mojo-RabbitMQ-Client'...
$ git fetch origin c14a52b1c851827f7e9b00187fc1b2b6bd442a8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Mojo-RabbitMQ-Client
 * [new ref]         c14a52b1c851827f7e9b00187fc1b2b6bd442a8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c14a52b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild