FIX: add actual psi installation specific stucture

env/merlin/sysconfigs/config.yaml

@@ -1,7 +1,118 @@
 ---
 config:
+  build_stage:
+    - /scratch/spack-rhel7
   install_tree:
     projections:
-      ^mpi: '{name}/{version}/{^mpi.name}/{^mpi.version}/{compiler.name}/{compiler.version}'
+      ^hdf5+mpi: HDF5/{name}/{version}/{compiler.name}/{compiler.version}
-      all: '{name}/{version}/{compiler.name}/{compiler.version}'
+      ^hdf5~mpi: HDF5_serial/{name}/{version}/{compiler.name}/{compiler.version}
-    root: /afs/psi.ch/sys/spack-rhel7
+      ^mpi: MPI/{name}/{version}/{^mpi.name}/{^mpi.version}/{compiler.name}/{compiler.version}
+      all: misc/{name}/{version}/{^mpi.name}/{^mpi.version}/{compiler.name}/{compiler.version}
+      alsa-lib: &libraries_install_projection Librairies/{name}/{version}/{compiler.name}/{compiler.version}
+      aria2: &tools_install_projection Tools/{name}/{version}/{compiler.name}/{compiler.version}
+      asciidoc: *tools_install_projection
+      atlas: &compiler_install_projection Compiler/{name}/{version}/{compiler.name}/{compiler.version}
+      autoconf: &programming_install_projection Programming/{name}/{version}/{compiler.name}/{compiler.version}
+      automake: *programming_install_projection
+      bash: &system_install_projection *system_install_projection
+      binutils: *programming_install_projection
+      bison: *programming_install_projection
+      boost: *compiler_install_projection
+      cbflib: &MX_install_projection MX/{name}/{version}/{compiler.name}/{compiler.version}
+      cistem: &EM_install_projection EM/{name}/{version}/{compiler.name}/{compiler.version}
+      clapack: *compiler_install_projection
+      clhep: *compiler_install_projection
+      cmake: *programming_install_projection
+      coreutils: *tools_install_projection
+      ctffind: *EM_install_projection
+      cuda: cuda/{name}/{version}/{compiler.name}/{compiler.version}
+      eigen: *compiler_install_projection
+      emacs: *tools_install_projection
+      erlang: *programming_install_projection
+      ffmpeg: *tools_install_projection
+      filebench: *system_install_projection
+      gams: *tools_install_projection
+      gaussian: *tools_install_projection
+      gcc: *programming_install_projection
+      gdrcopy: *libraries_install_projection
+      geant4: *compiler_install_projection
+      gettext: *tools_install_projection
+      giflib: *libraries_install_projection
+      git: *tools_install_projection
+      global: *tools_install_projection
+      gmp: *libraries_install_projection
+      gnupg: *tools_install_projection
+      gnuplot: *tools_install_projection
+      gnutls: *tools_install_projection
+      go: *programming_install_projection
+      googletest: *compiler_install_projection
+      gsl: *compiler_install_projection
+      hdf5~mpi: Compiler/{name}_serial/{version}/{compiler.name}/{compiler.version}
+      hdfview: *tools_install_projection
+      hwloc: *libraries_install_projection
+      intel: *programming_install_projection
+      intel-oneapi-mpi: *programming_install_projection
+      ior: *system_install_projection
+      isl: *libraries_install_projection
+      julia: *programming_install_projection
+      knem: *libraries_install_projection
+      kokkos: *compiler_install_projection
+      krb5: *tools_install_projection
+      kubernetes: *tools_install_projection
+      libint: *compiler_install_projection
+      libtasn1: *libraries_install_projection
+      libtool: *programming_install_projection
+      libxc: *compiler_install_projection
+      libxsmm: *compiler_install_projection
+      lua: *programming_install_projection
+      lz4: *MX_install_projection
+      m4: *programming_install_projection
+      mathematica: *programming_install_projection
+      matlab: *programming_install_projection
+      mdtest: *system_install_projection
+      motioncor2: *EM_install_projection
+      mpc: *libraries_install_projection
+      mpfr: *libraries_install_projection
+      mpich: *compiler_install_projection
+      mxm: *system_install_projection
+      namd: *tools_install_projection
+      nasm: *programming_install_projection
+      ncview: *tools_install_projection
+      nettle: *libraries_install_projection
+      nmap: *system_install_projection
+      nvhpc: *programming_install_projection
+      openbabel: *MX_install_projection
+      openblas: *compiler_install_projection
+      openjdk: *programming_install_projection
+      openjpeg: *tools_install_projection
+      openmpi: *compiler_install_projection
+      openssl: *tools_install_projection
+      orca: *tools_install_projection
+      paraview: *tools_install_projection
+      patchelf: *system_install_projection
+      perl: *programming_install_projection
+      pmix: *libraries_install_projection
+      py-tensorflow: *programming_install_projection
+      python: *programming_install_projection
+      qt: *programming_install_projection
+      r: *programming_install_projection
+      relion: *EM_install_projection
+      root: *compiler_install_projection
+      superlu: *compiler_install_projection
+      tcl: *programming_install_projection
+      texlive: *tools_install_projection
+      tk: *programming_install_projection
+      tmux: *tools_install_projection
+      ucx: *libraries_install_projection
+      udunits: *libraries_install_projection
+      unblur: *EM_install_projection
+      uncrustify: *tools_install_projection
+      unison: *system_install_projection
+      vim: *tools_install_projection
+      visit: *tools_install_projection
+      wxwidgets: *libraries_install_projection
+      x264: *libraries_install_projection
+      xmlto: *tools_install_projection
+      xz: *tools_install_projection
+      zlib: *libraries_install_projection
+    root: /afs/psi.ch/sys/spack-rhel7/