$ git clone -n https://src.fedoraproject.org/rpms/qxmpp.git /var/lib/mock/f39-build-1806471-41819/root/chroot_tmpdir/scmroot/qxmpp
Cloning into '/var/lib/mock/f39-build-1806471-41819/root/chroot_tmpdir/scmroot/qxmpp'...
$ git fetch origin 00ad8b306aff780f7d2d3b139345cd89d157d4cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qxmpp
 * [new ref]         00ad8b306aff780f7d2d3b139345cd89d157d4cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00ad8b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild