$ git clone -n https://src.fedoraproject.org/rpms/evolution-mapi.git /var/lib/mock/f41-build-853995-166804/root/chroot_tmpdir/scmroot/evolution-mapi
Cloning into '/var/lib/mock/f41-build-853995-166804/root/chroot_tmpdir/scmroot/evolution-mapi'...
$ git fetch origin 143c60936e008cabd5b137260a70c559edbb6957:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution-mapi
 * [new ref]         143c60936e008cabd5b137260a70c559edbb6957 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 143c609 Rebuilt against new Samba 4.21