$ git clone -n https://src.fedoraproject.org/rpms/python-fedora.git /var/lib/mock/f39-build-1574098-37853/root/chroot_tmpdir/scmroot/python-fedora
Cloning into '/var/lib/mock/f39-build-1574098-37853/root/chroot_tmpdir/scmroot/python-fedora'...
$ git fetch origin 89d477e81e11aff36b783b2c04141744fe616a46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fedora
 * [new ref]         89d477e81e11aff36b783b2c04141744fe616a46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89d477e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild