$ git clone -n https://src.fedoraproject.org/rpms/kdepim-addons.git /var/lib/mock/f39-build-1641747-40202/root/chroot_tmpdir/scmroot/kdepim-addons
Cloning into '/var/lib/mock/f39-build-1641747-40202/root/chroot_tmpdir/scmroot/kdepim-addons'...
$ git fetch origin 978880c19436574d3e684bbf33d79cf790e248c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdepim-addons
 * [new ref]         978880c19436574d3e684bbf33d79cf790e248c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 978880c 23.08.2