$ git clone -n https://src.fedoraproject.org/rpms/plasmatube.git /var/lib/mock/f39-build-1823395-41843/root/chroot_tmpdir/scmroot/plasmatube
Cloning into '/var/lib/mock/f39-build-1823395-41843/root/chroot_tmpdir/scmroot/plasmatube'...
$ git fetch origin 911cd2efdee2657f0f1e9361ca663c44a4808cf8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasmatube
 * [new ref]         911cd2efdee2657f0f1e9361ca663c44a4808cf8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 911cd2e 23.08.3