$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-pv-tools.git /var/lib/mock/v8.3-incoming-9480-28216/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools
Cloning into '/var/lib/mock/v8.3-incoming-9480-28216/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools'...
$ git fetch origin e9e4fd385d877afc91292c3052d70e7c66713ed9:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-ng-pv-tools
 * [new ref]         e9e4fd385d877afc91292c3052d70e7c66713ed9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9e4fd3 Add WinPV 9.0.9137