$ git clone -n https://src.fedoraproject.org/rpms/libxnm.git /var/lib/mock/f39-build-1465971-33633/root/chroot_tmpdir/scmroot/libxnm
Cloning into '/var/lib/mock/f39-build-1465971-33633/root/chroot_tmpdir/scmroot/libxnm'...
$ git fetch origin 218604f9edb02d62766de25230d9f23523379f41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libxnm
 * [new ref]         218604f9edb02d62766de25230d9f23523379f41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 218604f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild