$ git clone -n https://src.fedoraproject.org/rpms/evolution-ews.git /var/lib/mock/f39-build-1923117-42998/root/chroot_tmpdir/scmroot/evolution-ews
Cloning into '/var/lib/mock/f39-build-1923117-42998/root/chroot_tmpdir/scmroot/evolution-ews'...
$ git fetch origin 86564de0d1ac0218ad527a79257ce3e83ad016ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution-ews
 * [new ref]         86564de0d1ac0218ad527a79257ce3e83ad016ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86564de Update to 3.50.2