$ git clone -n https://src.fedoraproject.org/rpms/python-nbxmpp.git /var/lib/mock/f39-build-1469082-33826/root/chroot_tmpdir/scmroot/python-nbxmpp
Cloning into '/var/lib/mock/f39-build-1469082-33826/root/chroot_tmpdir/scmroot/python-nbxmpp'...
$ git fetch origin 46b232432a8b9219082ab1dabbb03a7ea046ffc7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-nbxmpp
 * [new ref]         46b232432a8b9219082ab1dabbb03a7ea046ffc7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46b2324 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild