$ git clone -n https://src.fedoraproject.org/rpms/plee-the-bear.git /var/lib/mock/f45-build-53598-925/root/chroot_tmpdir/scmroot/plee-the-bear
Cloning into '/var/lib/mock/f45-build-53598-925/root/chroot_tmpdir/scmroot/plee-the-bear'...
$ git fetch origin 838aba2720de3acfc1fca7bb2fbc14230c327e7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plee-the-bear
 * [new ref]         838aba2720de3acfc1fca7bb2fbc14230c327e7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 838aba2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild