$ git clone -n https://github.com/xcp-ng-rpms/xo-lite.git /var/lib/mock/v8.3-incoming-10286-28857/root/chroot_tmpdir/scmroot/xo-lite
Cloning into '/var/lib/mock/v8.3-incoming-10286-28857/root/chroot_tmpdir/scmroot/xo-lite'...
$ git fetch origin bd6c60dc8a0a829e836645fd2388bd494a2a3bb3:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xo-lite
 * [new ref]         bd6c60dc8a0a829e836645fd2388bd494a2a3bb3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd6c60d Merge pull request #26 from xcp-ng-rpms/xcpng-2838-gdy-v0.18.0