$ git clone -n https://src.fedoraproject.org/rpms/kajongg.git /var/lib/mock/f39-build-1869368-42622/root/chroot_tmpdir/scmroot/kajongg
Cloning into '/var/lib/mock/f39-build-1869368-42622/root/chroot_tmpdir/scmroot/kajongg'...
$ git fetch origin f942c80f953416edecf13590d4b03dd7017ace63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kajongg
 * [new ref]         f942c80f953416edecf13590d4b03dd7017ace63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f942c80 23.08.3