$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtscxml.git /var/lib/mock/f38-build-side-42-init-devel-1040164-29754/root/chroot_tmpdir/scmroot/qt6-qtscxml
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1040164-29754/root/chroot_tmpdir/scmroot/qt6-qtscxml'...
$ git fetch origin c1085ebad1d4d1c75ae242e48e184d0a7cc1d595:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtscxml
 * [new ref]         c1085ebad1d4d1c75ae242e48e184d0a7cc1d595 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1085eb 6.5.2