$ git clone -n https://github.com/xcp-ng-rpms/gpumon /var/lib/mock/v8.3-incoming-10702-29251/root/chroot_tmpdir/scmroot/gpumon
Cloning into '/var/lib/mock/v8.3-incoming-10702-29251/root/chroot_tmpdir/scmroot/gpumon'...
$ git fetch origin 3b7aa545916737aba8b681afc569b3382521b4fd:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/gpumon
 * [new ref]         3b7aa545916737aba8b681afc569b3382521b4fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b7aa54 Merge pull request #17 from xcp-ng-rpms/pcoval/review/master