$ git clone -n https://src.fedoraproject.org/rpms/rust-graphene-sys0.17.git /var/lib/mock/f38-build-side-43-rust-devel-1419205-31459/root/chroot_tmpdir/scmroot/rust-graphene-sys0.17
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1419205-31459/root/chroot_tmpdir/scmroot/rust-graphene-sys0.17'...
$ git fetch origin 5a8789196b1a912624d6aa2143cb06bdaacf1cbc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-graphene-sys0.17
 * [new ref]         5a8789196b1a912624d6aa2143cb06bdaacf1cbc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a87891 Initial import (graphene-sys 0.17 compat package)