$ git clone -n https://src.fedoraproject.org/rpms/feedbackd.git /var/lib/mock/f42-build-side-1-3502172-45977/root/chroot_tmpdir/scmroot/feedbackd
Cloning into '/var/lib/mock/f42-build-side-1-3502172-45977/root/chroot_tmpdir/scmroot/feedbackd'...
$ git fetch origin bdbc29d9b0197db7975b06be23732879342ee6b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/feedbackd
 * [new ref]         bdbc29d9b0197db7975b06be23732879342ee6b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bdbc29d Upstream release 0.8.1 (fedora#2355929)