$ git clone -n https://src.fedoraproject.org/rpms/ntpsec.git /var/lib/mock/f43-build-59015092-6570229/root/chroot_tmpdir/scmroot/ntpsec
Cloning into '/var/lib/mock/f43-build-59015092-6570229/root/chroot_tmpdir/scmroot/ntpsec'...
$ git fetch origin 1474109f490367243f3ed7b9cd72b3bf0e76ecd4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ntpsec
 * [new ref]         1474109f490367243f3ed7b9cd72b3bf0e76ecd4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1474109 1.2.4-1