$ git clone -n https://github.com/xcp-ng-rpms/xo-lite.git /var/lib/mock/v8.3-incoming-9452-28190/root/chroot_tmpdir/scmroot/xo-lite
Cloning into '/var/lib/mock/v8.3-incoming-9452-28190/root/chroot_tmpdir/scmroot/xo-lite'...
$ git fetch origin 2997c9276b09cfcde4b8a4147e1bd5f5655db013:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xo-lite
 * [new ref]         2997c9276b09cfcde4b8a4147e1bd5f5655db013 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2997c92 Merge pull request #23 from xcp-ng-rpms/gdy-v0.15.0