$ git clone -n https://src.fedoraproject.org/rpms/sbsigntools.git /var/lib/mock/f39-build-2460919-61441/root/chroot_tmpdir/scmroot/sbsigntools
Cloning into '/var/lib/mock/f39-build-2460919-61441/root/chroot_tmpdir/scmroot/sbsigntools'...
$ git fetch origin c0182490aaa12244f8a5319e9fb688e19fc941a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sbsigntools
 * [new ref]         c0182490aaa12244f8a5319e9fb688e19fc941a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c018249 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild