$ git clone -n https://src.fedoraproject.org/rpms/hackrf.git /var/lib/mock/f45-build-13329-449/root/chroot_tmpdir/scmroot/hackrf
Cloning into '/var/lib/mock/f45-build-13329-449/root/chroot_tmpdir/scmroot/hackrf'...
$ git fetch origin 35e1f6a3418a0e97e9062b0c597fa2c4fffa63ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hackrf
 * [new ref]         35e1f6a3418a0e97e9062b0c597fa2c4fffa63ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35e1f6a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild