$ git clone -n https://src.fedoraproject.org/rpms/magicmirror.git /var/lib/mock/f45-build-17922-505/root/chroot_tmpdir/scmroot/magicmirror
Cloning into '/var/lib/mock/f45-build-17922-505/root/chroot_tmpdir/scmroot/magicmirror'...
$ git fetch origin f0bd1fbb313108cc3a92b5dea5c5f59da6d23fc6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/magicmirror
 * [new ref]         f0bd1fbb313108cc3a92b5dea5c5f59da6d23fc6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0bd1fb Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild