$ git clone -n https://src.fedoraproject.org/rpms/evolution-mapi.git /var/lib/mock/f40-build-763264-122453/root/chroot_tmpdir/scmroot/evolution-mapi
Cloning into '/var/lib/mock/f40-build-763264-122453/root/chroot_tmpdir/scmroot/evolution-mapi'...
$ git fetch origin 35c9d98351e287019bb89c7fee32099a897e056d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution-mapi
 * [new ref]         35c9d98351e287019bb89c7fee32099a897e056d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35c9d98 Update to 3.50.0