$ git clone -n https://src.fedoraproject.org/rpms/crypto.git /var/lib/mock/f41-build-side-1-2811122-32926/root/chroot_tmpdir/scmroot/crypto
Cloning into '/var/lib/mock/f41-build-side-1-2811122-32926/root/chroot_tmpdir/scmroot/crypto'...
$ git fetch origin 4fa1b512a440d646a1d0dc341c24cc1794bee07a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crypto
 * [new ref]         4fa1b512a440d646a1d0dc341c24cc1794bee07a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fa1b51 Replaced by sdl-crypto