$ git clone -n https://src.fedoraproject.org/rpms/nss.git /var/lib/mock/f33-build-225500-48463/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/f33-build-225500-48463/root/chroot_tmpdir/scmroot/nss'...
$ git reset --hard 614f823eb30b6ac0f0c6ea54ac9b5d26cd0f9cfe
HEAD is now at 614f823  Delay new CK_GCM_PARAMS semantics until fedora 34 unless explicitly enabled.