$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-pv-tools.git /var/lib/mock/v8.3-incoming-11345-29658/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools
Cloning into '/var/lib/mock/v8.3-incoming-11345-29658/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools'...
$ git fetch origin bbea5f0476e9fdc658139cff994ffa401e2d28b0:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-ng-pv-tools
 * [new ref]         bbea5f0476e9fdc658139cff994ffa401e2d28b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbea5f0 Merge pull request #10 from xcp-ng-rpms/dnt/9.1.145