$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtlanguageserver.git /var/lib/mock/f39-build-1681851-41044/root/chroot_tmpdir/scmroot/qt6-qtlanguageserver
Cloning into '/var/lib/mock/f39-build-1681851-41044/root/chroot_tmpdir/scmroot/qt6-qtlanguageserver'...
$ git fetch origin 17268cc0423d6e3ed6c5b89830d3c77327057e91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtlanguageserver
 * [new ref]         17268cc0423d6e3ed6c5b89830d3c77327057e91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17268cc 6.6.0