$ git clone -n https://src.fedoraproject.org/rpms/swtpm.git /var/lib/mock/f31-build-110154-34001/root/chroot_tmpdir/scmroot/swtpm
Cloning into '/var/lib/mock/f31-build-110154-34001/root/chroot_tmpdir/scmroot/swtpm'...
$ git reset --hard b9e86d5928a6ca1f13b9d5a38704b98592bbe4aa
HEAD is now at b9e86d5 run 'restorecon' on swtpm in post to get SELinux label on first install