$ git clone -n https://src.fedoraproject.org/rpms/kf5-kcalendarutils.git /var/lib/mock/f39-build-1708903-41222/root/chroot_tmpdir/scmroot/kf5-kcalendarutils
Cloning into '/var/lib/mock/f39-build-1708903-41222/root/chroot_tmpdir/scmroot/kf5-kcalendarutils'...
$ git fetch origin 1f458cf2fc36a4c9c6eb82c5659c75907c0f30ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kcalendarutils
 * [new ref]         1f458cf2fc36a4c9c6eb82c5659c75907c0f30ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f458cf 23.08.3