$ git clone -n https://src.fedoraproject.org/rpms/cppcheck.git /var/lib/mock/f41-build-side-1-3049360-37882/root/chroot_tmpdir/scmroot/cppcheck
Cloning into '/var/lib/mock/f41-build-side-1-3049360-37882/root/chroot_tmpdir/scmroot/cppcheck'...
$ git fetch origin b67fa7522c614b254fb61a7ec75a675eade38c77:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cppcheck
 * [new ref]         b67fa7522c614b254fb61a7ec75a675eade38c77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b67fa75 2.16.0