$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtopcua.git /var/lib/mock/f42-build-868281-176039/root/chroot_tmpdir/scmroot/qt6-qtopcua
Cloning into '/var/lib/mock/f42-build-868281-176039/root/chroot_tmpdir/scmroot/qt6-qtopcua'...
$ git fetch origin 707b1a10e0766a6c340e441f458934ba5ba996b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtopcua
 * [new ref]         707b1a10e0766a6c340e441f458934ba5ba996b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 707b1a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild