$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtlanguageserver.git /var/lib/mock/f40-build-785429-133952/root/chroot_tmpdir/scmroot/qt6-qtlanguageserver
Cloning into '/var/lib/mock/f40-build-785429-133952/root/chroot_tmpdir/scmroot/qt6-qtlanguageserver'...
$ git fetch origin b0d98c1a479c3234a7f71a55700ca7dc253df8d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtlanguageserver
 * [new ref]         b0d98c1a479c3234a7f71a55700ca7dc253df8d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0d98c1 6.6.2