$ git clone -n https://src.fedoraproject.org/rpms/fastd.git /var/lib/mock/f45-build-8696-394/root/chroot_tmpdir/scmroot/fastd
Cloning into '/var/lib/mock/f45-build-8696-394/root/chroot_tmpdir/scmroot/fastd'...
$ git fetch origin 48e596897f2a2c6db770d12f2b48e116fa830af6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fastd
 * [new ref]         48e596897f2a2c6db770d12f2b48e116fa830af6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48e5968 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild