$ git clone -n https://src.fedoraproject.org/rpms/kf5-pimcommon.git /var/lib/mock/f39-test-2571306-62245/root/chroot_tmpdir/scmroot/kf5-pimcommon
Cloning into '/var/lib/mock/f39-test-2571306-62245/root/chroot_tmpdir/scmroot/kf5-pimcommon'...
$ git fetch origin 046f70b89fe6698fee3f2ac2a8c4daa8778781e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-pimcommon
 * [new ref]         046f70b89fe6698fee3f2ac2a8c4daa8778781e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 046f70b 23.08.5