$ git clone -n https://src.fedoraproject.org/rpms/libsodium.git /var/lib/mock/f45-build-17020-495/root/chroot_tmpdir/scmroot/libsodium
Cloning into '/var/lib/mock/f45-build-17020-495/root/chroot_tmpdir/scmroot/libsodium'...
$ git fetch origin f37bdb885868d4466dcf815e4817148edf523d2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsodium
 * [new ref]         f37bdb885868d4466dcf815e4817148edf523d2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f37bdb8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild