$ git clone -n https://src.fedoraproject.org/rpms/fctxpd.git /var/lib/mock/f40-build-2589679-62573/root/chroot_tmpdir/scmroot/fctxpd
Cloning into '/var/lib/mock/f40-build-2589679-62573/root/chroot_tmpdir/scmroot/fctxpd'...
$ git fetch origin 4dccdd430e9ef3e5fbe088fe92092a2cfbd629e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fctxpd
 * [new ref]         4dccdd430e9ef3e5fbe088fe92092a2cfbd629e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4dccdd4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild