$ git clone -n https://src.fedoraproject.org/rpms/radicale.git /var/lib/mock/f41-build-side-1-2768866-32100/root/chroot_tmpdir/scmroot/radicale
Cloning into '/var/lib/mock/f41-build-side-1-2768866-32100/root/chroot_tmpdir/scmroot/radicale'...
$ git fetch origin 75d738516b51fcb1886dc36e8b1e197ce273e8a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/radicale
 * [new ref]         75d738516b51fcb1886dc36e8b1e197ce273e8a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75d7385 Update to 3.2.3