$ git clone -n https://src.fedoraproject.org/rpms/libphonenumber.git /var/lib/mock/f40-build-780075-130664/root/chroot_tmpdir/scmroot/libphonenumber
Cloning into '/var/lib/mock/f40-build-780075-130664/root/chroot_tmpdir/scmroot/libphonenumber'...
$ git fetch origin 68f840ac65713e163a592462bb186ad88d6a32f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libphonenumber
 * [new ref]         68f840ac65713e163a592462bb186ad88d6a32f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68f840a [packit] 8.13.30 upstream release