$ git clone -n https://src.fedoraproject.org/rpms/evolution-ews.git /var/lib/mock/f40-build-2638959-66330/root/chroot_tmpdir/scmroot/evolution-ews
Cloning into '/var/lib/mock/f40-build-2638959-66330/root/chroot_tmpdir/scmroot/evolution-ews'...
$ git fetch origin f33294687f547bbea11ffbe52d12c164c47376f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution-ews
 * [new ref]         f33294687f547bbea11ffbe52d12c164c47376f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f332946 Update URL to point to the new Wiki space