$ git clone -n https://src.fedoraproject.org/rpms/evolution-ews.git /var/lib/mock/f42-build-side-1-3502590-45978/root/chroot_tmpdir/scmroot/evolution-ews
Cloning into '/var/lib/mock/f42-build-side-1-3502590-45978/root/chroot_tmpdir/scmroot/evolution-ews'...
$ git fetch origin 98ba275831e0a6a472bfa770f2f98bb7c02a673c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution-ews
 * [new ref]         98ba275831e0a6a472bfa770f2f98bb7c02a673c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98ba275 Update to 3.56.1