$ git clone -n https://src.fedoraproject.org/rpms/cockpit.git /var/lib/mock/f45-build-4815-334/root/chroot_tmpdir/scmroot/cockpit
Cloning into '/var/lib/mock/f45-build-4815-334/root/chroot_tmpdir/scmroot/cockpit'...
$ git fetch origin ce7aae79b212c01cb1273ea5c24aca0c24d36aaf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cockpit
 * [new ref]         ce7aae79b212c01cb1273ea5c24aca0c24d36aaf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce7aae7 Update to 368 upstream release