$ git clone -n https://src.fedoraproject.org/rpms/cppcodec.git /var/lib/mock/f39-build-1797058-41763/root/chroot_tmpdir/scmroot/cppcodec
Cloning into '/var/lib/mock/f39-build-1797058-41763/root/chroot_tmpdir/scmroot/cppcodec'...
$ git fetch origin b98fb77ca2f288b67bb3b0a613bc806af25faa5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cppcodec
 * [new ref]         b98fb77ca2f288b67bb3b0a613bc806af25faa5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b98fb77 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild