$ git clone -n https://src.fedoraproject.org/rpms/rust-libflate_lz77_1.git /var/lib/mock/f45-build-42919-797/root/chroot_tmpdir/scmroot/rust-libflate_lz77_1
Cloning into '/var/lib/mock/f45-build-42919-797/root/chroot_tmpdir/scmroot/rust-libflate_lz77_1'...
$ git fetch origin b0b61a42c690c381ab4da81207b62e57cb07f687:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libflate_lz77_1
 * [new ref]         b0b61a42c690c381ab4da81207b62e57cb07f687 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0b61a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild