$ git clone -n https://src.fedoraproject.org/rpms/swtpm.git /var/lib/mock/f33-build-197643-47640/root/chroot_tmpdir/scmroot/swtpm
Cloning into '/var/lib/mock/f33-build-197643-47640/root/chroot_tmpdir/scmroot/swtpm'...
$ git reset --hard 066bd0338aef68cd3afda2d862943dde70cd85c0
HEAD is now at 066bd03 BuildRequires: git-core