$ git clone -n https://github.com/xcp-ng-rpms/qlogic-netxtreme2-alt.git /var/lib/mock/v8.3-incoming-9521-28253/root/chroot_tmpdir/scmroot/qlogic-netxtreme2-alt
Cloning into '/var/lib/mock/v8.3-incoming-9521-28253/root/chroot_tmpdir/scmroot/qlogic-netxtreme2-alt'...
$ git fetch origin 0f09d08870cebc7326659375f875725c2afba4dc:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/qlogic-netxtreme2-alt
 * [new ref]         0f09d08870cebc7326659375f875725c2afba4dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f09d08 Update to version 7.15.24