$ git clone -n https://src.fedoraproject.org/rpms/proxygen.git /var/lib/mock/f33-build-583181-66511/root/chroot_tmpdir/scmroot/proxygen
Cloning into '/var/lib/mock/f33-build-583181-66511/root/chroot_tmpdir/scmroot/proxygen'...
$ git reset --hard c460fa4dd15254562be86ebd95ccc7b002c9b2e1
HEAD is now at c460fa4 Update to 2021.03.15.00