$ git clone -n https://src.fedoraproject.org/rpms/crypto-policies.git /var/lib/mock/f41-build-side-1-2646016-27211/root/chroot_tmpdir/scmroot/crypto-policies
Cloning into '/var/lib/mock/f41-build-side-1-2646016-27211/root/chroot_tmpdir/scmroot/crypto-policies'...
$ git fetch origin ed270e276af14ac30016aec1ee86b1caf02baece:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crypto-policies
 * [new ref]         ed270e276af14ac30016aec1ee86b1caf02baece -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed270e2 Update from upstream (small Argon2 detection fix)