$ git clone -n https://src.fedoraproject.org/rpms/amavisd-milter.git /var/lib/mock/f39-build-1534783-36235/root/chroot_tmpdir/scmroot/amavisd-milter
Cloning into '/var/lib/mock/f39-build-1534783-36235/root/chroot_tmpdir/scmroot/amavisd-milter'...
$ git fetch origin 4ec3dfa50802f3ca5544f86db13e743ff6e67a6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/amavisd-milter
 * [new ref]         4ec3dfa50802f3ca5544f86db13e743ff6e67a6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ec3dfa Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild