$ git clone -n https://src.fedoraproject.org/rpms/nagios-plugins-systemd.git /var/lib/mock/f41-build-side-2-python-2688455-30181/root/chroot_tmpdir/scmroot/nagios-plugins-systemd
Cloning into '/var/lib/mock/f41-build-side-2-python-2688455-30181/root/chroot_tmpdir/scmroot/nagios-plugins-systemd'...
$ git fetch origin 751aa11953c6b28be3213eb38a637dbf2a6464e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nagios-plugins-systemd
 * [new ref]         751aa11953c6b28be3213eb38a637dbf2a6464e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 751aa11 Update to 4.1.0