$ git clone -n https://src.fedoraproject.org/rpms/freeDiameter.git /var/lib/mock/f39-build-1559289-37321/root/chroot_tmpdir/scmroot/freeDiameter
Cloning into '/var/lib/mock/f39-build-1559289-37321/root/chroot_tmpdir/scmroot/freeDiameter'...
$ git fetch origin f044bd622855f345c02a5813e044d3f2c34ca89a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freeDiameter
 * [new ref]         f044bd622855f345c02a5813e044d3f2c34ca89a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f044bd6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild