$ git clone -n https://src.fedoraproject.org/rpms/libgweather.git /var/lib/mock/f45-build-16270-485/root/chroot_tmpdir/scmroot/libgweather
Cloning into '/var/lib/mock/f45-build-16270-485/root/chroot_tmpdir/scmroot/libgweather'...
$ git fetch origin b9132c612f0b526e675566b8013d9511b7ad5bb4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgweather
 * [new ref]         b9132c612f0b526e675566b8013d9511b7ad5bb4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9132c6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild