$ git clone -n https://src.fedoraproject.org/rpms/rpkg-util.git /var/lib/mock/f39-build-1874262-42726/root/chroot_tmpdir/scmroot/rpkg-util
Cloning into '/var/lib/mock/f39-build-1874262-42726/root/chroot_tmpdir/scmroot/rpkg-util'...
$ git fetch origin c0d52ded1b1cc8c6928fcf56152a2e4b588c6189:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpkg-util
 * [new ref]         c0d52ded1b1cc8c6928fcf56152a2e4b588c6189 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0d52de Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild