$ git clone -n https://src.fedoraproject.org/rpms/qownnotes.git /var/lib/mock/f45-build-33917-675/root/chroot_tmpdir/scmroot/qownnotes
Cloning into '/var/lib/mock/f45-build-33917-675/root/chroot_tmpdir/scmroot/qownnotes'...
$ git fetch origin 2abef23c4b189792b76771b992db50a33a59958d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qownnotes
 * [new ref]         2abef23c4b189792b76771b992db50a33a59958d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2abef23 Update to 26.8.4