$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtlanguageserver.git /var/lib/mock/f42-build-side-1-3537121-46559/root/chroot_tmpdir/scmroot/qt6-qtlanguageserver
Cloning into '/var/lib/mock/f42-build-side-1-3537121-46559/root/chroot_tmpdir/scmroot/qt6-qtlanguageserver'...
$ git fetch origin c12dececa258d02220d3e4db5b2a12dad3825313:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtlanguageserver
 * [new ref]         c12dececa258d02220d3e4db5b2a12dad3825313 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c12dece 6.9.1