$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-pv-tools.git /var/lib/mock/v8.3-incoming-9803-28521/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools
Cloning into '/var/lib/mock/v8.3-incoming-9803-28521/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools'...
$ git fetch origin 1e9068a8c6c9d3c180225f6b1e7b341d4c15c9f3:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-ng-pv-tools
 * [new ref]         1e9068a8c6c9d3c180225f6b1e7b341d4c15c9f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e9068a Update WinPV 9.1.100