$ git clone -n https://src.fedoraproject.org/rpms/evolution.git /var/lib/mock/f40-build-2534238-61849/root/chroot_tmpdir/scmroot/evolution
Cloning into '/var/lib/mock/f40-build-2534238-61849/root/chroot_tmpdir/scmroot/evolution'...
$ git fetch origin d7931272c6da4ea09fb284b8bd7be3cad5910eb6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution
 * [new ref]         d7931272c6da4ea09fb284b8bd7be3cad5910eb6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d793127 Update to 3.51.3