$ git clone -n https://github.com/xcp-ng-rpms/nut.git /var/lib/mock/v8.3-u-pcoval1-11180-29581/root/chroot_tmpdir/scmroot/nut
Cloning into '/var/lib/mock/v8.3-u-pcoval1-11180-29581/root/chroot_tmpdir/scmroot/nut'...
$ git fetch origin 222e69b813c6ac89711ac38cc9e61cf48eee828f:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/nut
 * [new ref]         222e69b813c6ac89711ac38cc9e61cf48eee828f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 222e69b bump release for test build