$ git clone -n https://github.com/xcp-ng-rpms/xcp-featured /var/lib/mock/v8.3-incoming-10538-29089/root/chroot_tmpdir/scmroot/xcp-featured
Cloning into '/var/lib/mock/v8.3-incoming-10538-29089/root/chroot_tmpdir/scmroot/xcp-featured'...
$ git fetch origin fe869e0c85ac536fc46655c1c9093e5c21f27876:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-featured
 * [new ref]         fe869e0c85ac536fc46655c1c9093e5c21f27876 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe869e0 Bump release for a new xapi release (#11)