$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtgraphs.git /var/lib/mock/f45-build-34103-677/root/chroot_tmpdir/scmroot/qt6-qtgraphs
Cloning into '/var/lib/mock/f45-build-34103-677/root/chroot_tmpdir/scmroot/qt6-qtgraphs'...
$ git fetch origin f8a51a6264620873eb8aa7838719aadb791fe5e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtgraphs
 * [new ref]         f8a51a6264620873eb8aa7838719aadb791fe5e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8a51a6 6.11.2