$ git clone -n https://src.fedoraproject.org/rpms/ghc-simple-sendfile.git /var/lib/mock/f45-build-10750-424/root/chroot_tmpdir/scmroot/ghc-simple-sendfile
Cloning into '/var/lib/mock/f45-build-10750-424/root/chroot_tmpdir/scmroot/ghc-simple-sendfile'...
$ git fetch origin e5bf383a33c7da0eea3d21caf665ea04b86419d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-simple-sendfile
 * [new ref]         e5bf383a33c7da0eea3d21caf665ea04b86419d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5bf383 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild