$ git clone -n https://src.fedoraproject.org/rpms/qgis.git /var/lib/mock/f40-build-800116-142756/root/chroot_tmpdir/scmroot/qgis
Cloning into '/var/lib/mock/f40-build-800116-142756/root/chroot_tmpdir/scmroot/qgis'...
$ git fetch origin 35bade62536c1921a5bdcf2dc5d79de6638d9b00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qgis
 * [new ref]         35bade62536c1921a5bdcf2dc5d79de6638d9b00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35bade6 Update to 3.34.4