$ git clone -n https://src.fedoraproject.org/rpms/gajim.git /var/lib/mock/f40-build-1996976-44088/root/chroot_tmpdir/scmroot/gajim
Cloning into '/var/lib/mock/f40-build-1996976-44088/root/chroot_tmpdir/scmroot/gajim'...
$ git fetch origin bff2f781884dbc46f3cce06573312a0116200b54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gajim
 * [new ref]         bff2f781884dbc46f3cce06573312a0116200b54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bff2f78 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild