$ git clone -n https://src.fedoraproject.org/rpms/python-flask-mailman.git /var/lib/mock/f39-build-1662847-40667/root/chroot_tmpdir/scmroot/python-flask-mailman
Cloning into '/var/lib/mock/f39-build-1662847-40667/root/chroot_tmpdir/scmroot/python-flask-mailman'...
$ git fetch origin 3d966442a1ec55f022a229685ea5e68d35a46d31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-flask-mailman
 * [new ref]         3d966442a1ec55f022a229685ea5e68d35a46d31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d96644 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild