$ git clone -n https://github.com/xcp-ng-rpms/gpumon.git /var/lib/mock/v8.3-u-pcoval2-10615-29169/root/chroot_tmpdir/scmroot/gpumon
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10615-29169/root/chroot_tmpdir/scmroot/gpumon'...
$ git fetch origin fd4f9e41e773dcce4c1572aaab5dead747ea048c:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/gpumon
 * [new ref]         fd4f9e41e773dcce4c1572aaab5dead747ea048c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd4f9e4 bump release for test build