$ git clone -n https://src.fedoraproject.org/rpms/evolution.git /var/lib/mock/f40-build-1931809-25123/root/chroot_tmpdir/scmroot/evolution
Cloning into '/var/lib/mock/f40-build-1931809-25123/root/chroot_tmpdir/scmroot/evolution'...
$ git fetch origin 5db3276bd9706b0a4e7f59cc56b0a1aef13931f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution
 * [new ref]         5db3276bd9706b0a4e7f59cc56b0a1aef13931f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5db3276 Update to 3.52.4