$ git clone -n https://src.fedoraproject.org/rpms/ghc-bsb-http-chunked.git /var/lib/mock/f45-build-10050-412/root/chroot_tmpdir/scmroot/ghc-bsb-http-chunked
Cloning into '/var/lib/mock/f45-build-10050-412/root/chroot_tmpdir/scmroot/ghc-bsb-http-chunked'...
$ git fetch origin 6fb54372d810a274010f6d910659aded2d34135f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-bsb-http-chunked
 * [new ref]         6fb54372d810a274010f6d910659aded2d34135f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fb5437 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild