$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-deps.git /var/lib/mock/v8.3-u-pcoval1-10889-29385/root/chroot_tmpdir/scmroot/xcp-ng-deps
Cloning into '/var/lib/mock/v8.3-u-pcoval1-10889-29385/root/chroot_tmpdir/scmroot/xcp-ng-deps'...
$ git fetch origin 0ceff47c8f508149c6ec1495465261e334eae26d:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-ng-deps
 * [new ref]         0ceff47c8f508149c6ec1495465261e334eae26d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ceff47 bump release for test build