$ git clone -n https://src.fedoraproject.org/rpms/evolution-ews.git /var/lib/mock/f41-build-side-1-2882970-34497/root/chroot_tmpdir/scmroot/evolution-ews
Cloning into '/var/lib/mock/f41-build-side-1-2882970-34497/root/chroot_tmpdir/scmroot/evolution-ews'...
$ git fetch origin 9b77c04b87e3d1fa14dc296752187196d8b87167:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution-ews
 * [new ref]         9b77c04b87e3d1fa14dc296752187196d8b87167 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b77c04 Update to 3.54.0