$ git clone -n https://src.fedoraproject.org/rpms/libpsm2.git /var/lib/mock/f38-build-side-42-init-devel-897319-28569/root/chroot_tmpdir/scmroot/libpsm2
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-897319-28569/root/chroot_tmpdir/scmroot/libpsm2'...
$ git fetch origin 1943f1f1764c70373fc25a999c00f33f4fa6e144:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libpsm2
 * [new ref]         1943f1f1764c70373fc25a999c00f33f4fa6e144 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1943f1f Rebase to upstream release PSM2_11.2.230