$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-deps /var/lib/mock/v9.0-u-ydi1-11569-29875/root/chroot_tmpdir/scmroot/xcp-ng-deps
Cloning into '/var/lib/mock/v9.0-u-ydi1-11569-29875/root/chroot_tmpdir/scmroot/xcp-ng-deps'...
$ git fetch origin 0a93e20150ca64cb491ec2160e367f456a2f2a5c:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-ng-deps
 * [new ref]         0a93e20150ca64cb491ec2160e367f456a2f2a5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a93e20 bump release for test build