$ git clone -n https://src.fedoraproject.org/rpms/cockpit.git /var/lib/mock/f41-build-side-1-2877803-34437/root/chroot_tmpdir/scmroot/cockpit
Cloning into '/var/lib/mock/f41-build-side-1-2877803-34437/root/chroot_tmpdir/scmroot/cockpit'...
$ git fetch origin df5ee3ffa419d0e43c801b4ae8f93fd25c291060:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cockpit
 * [new ref]         df5ee3ffa419d0e43c801b4ae8f93fd25c291060 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df5ee3f Update to 325 upstream release