$ git clone -n https://src.fedoraproject.org/rpms/rust-graphene-sys.git /var/lib/mock/f39-build-1523114-35986/root/chroot_tmpdir/scmroot/rust-graphene-sys
Cloning into '/var/lib/mock/f39-build-1523114-35986/root/chroot_tmpdir/scmroot/rust-graphene-sys'...
$ git fetch origin cafaa67c5dad2ad12429155939c523fcc9875eeb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-graphene-sys
 * [new ref]         cafaa67c5dad2ad12429155939c523fcc9875eeb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cafaa67 Disable a failing test on secondary arches