$ git clone -n https://src.fedoraproject.org/rpms/evolution-data-server.git /var/lib/mock/f41-build-side-1-2893059-34611/root/chroot_tmpdir/scmroot/evolution-data-server
Cloning into '/var/lib/mock/f41-build-side-1-2893059-34611/root/chroot_tmpdir/scmroot/evolution-data-server'...
$ git fetch origin e0e1a449758cc76b509eeb785112ae7d4c1a3389:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution-data-server
 * [new ref]         e0e1a449758cc76b509eeb785112ae7d4c1a3389 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0e1a44 Update to 3.54.0