$ git clone -n https://src.fedoraproject.org/rpms/kf5-incidenceeditor.git /var/lib/mock/f39-build-1927622-43057/root/chroot_tmpdir/scmroot/kf5-incidenceeditor
Cloning into '/var/lib/mock/f39-build-1927622-43057/root/chroot_tmpdir/scmroot/kf5-incidenceeditor'...
$ git fetch origin 38121425069c2be595e45decb2772a2b244a0cbd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-incidenceeditor
 * [new ref]         38121425069c2be595e45decb2772a2b244a0cbd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3812142 23.08.3