$ git clone -n https://src.fedoraproject.org/rpms/nss.git /var/lib/mock/f41-build-1098307-20017/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/f41-build-1098307-20017/root/chroot_tmpdir/scmroot/nss'...
$ git fetch origin f5e7a76ada580a50c54be73d4884263998d4354f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nss
 * [new ref]         f5e7a76ada580a50c54be73d4884263998d4354f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5e7a76 Allow crypto policies to tweak with the kyber policy entry