$ git clone -n https://github.com/xcp-ng-rpms/xo-lite.git /var/lib/mock/v8.3-incoming-10746-29287/root/chroot_tmpdir/scmroot/xo-lite
Cloning into '/var/lib/mock/v8.3-incoming-10746-29287/root/chroot_tmpdir/scmroot/xo-lite'...
$ git fetch origin f375c749f02b6e453262925209a69677f2da6bcc:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xo-lite
 * [new ref]         f375c749f02b6e453262925209a69677f2da6bcc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f375c74 Merge pull request #27 from xcp-ng-rpms/xcpng-2978-gdy-v0.19.0