$ git clone -n https://src.fedoraproject.org/rpms/rust-libdeflate-sys.git /var/lib/mock/f45-build-42883-797/root/chroot_tmpdir/scmroot/rust-libdeflate-sys
Cloning into '/var/lib/mock/f45-build-42883-797/root/chroot_tmpdir/scmroot/rust-libdeflate-sys'...
$ git fetch origin 99266919d3a8711ee8e467f14547b61be977ba53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libdeflate-sys
 * [new ref]         99266919d3a8711ee8e467f14547b61be977ba53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9926691 Update to version 1.26.0