Add quickShell to build devshells quickly

flake.lock

@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1767634882,
-        "narHash": "sha256-2GffSfQxe3sedHzK+sTKlYo/NTIAGzbFCIsNMUPAAnk=",
+        "lastModified": 1752436162,
+        "narHash": "sha256-Kt1UIPi7kZqkSc5HVj6UY5YLHHEzPBkgpNUByuyxtlw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3c9db02515ef1d9b6b709fc60ba9a540957f661c",
+        "rev": "dfcd5b901dbab46c9c6e80b265648481aafb01f8",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-25.11",
+        "ref": "nixos-25.05",
         "repo": "nixpkgs",
         "type": "github"
       }

flake.nix

@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
   };
 
   outputs = { self, nixpkgs, ... }:

m/apex/configuration.nix

@@ -57,18 +57,6 @@
     };
   };
 
-  services.fail2ban = {
-    enable = true;
-    maxretry = 5;
-    bantime-increment = {
-      enable = true; # Double ban time on each attack
-      maxtime = "7d"; # Ban up to a week
-    };
-  };
-
-  # Disable SSH login with password, allow only keypair
-  services.openssh.settings.PasswordAuthentication = false;
-
   networking.firewall = {
     extraCommands = ''
       # Blackhole BSC vulnerability scanner (OpenVAS) as it is spamming our

m/bay/configuration.nix

@@ -24,7 +24,7 @@
       address = "10.0.40.40";
       prefixLength = 24;
     } ];
-    interfaces.ibs785.ipv4.addresses = [ {
+    interfaces.ibp5s0.ipv4.addresses = [ {
       address = "10.0.42.40";
       prefixLength = 24;
     } ];

m/common/base/boot.nix

@@ -4,6 +4,13 @@
   # Use the GRUB 2 boot loader.
   boot.loader.grub.enable = true;
 
+  # Enable GRUB2 serial console
+  boot.loader.grub.extraConfig = ''
+    serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
+    terminal_input --append serial
+    terminal_output --append serial
+  '';
+
   boot.kernel.sysctl = {
     "kernel.perf_event_paranoid" = lib.mkDefault "-1";
 

m/common/base/env.nix

@@ -1,12 +1,12 @@
-{ pkgs, ... }:
+{ pkgs, config, ... }:
 
 {
   environment.systemPackages = with pkgs; [
     vim wget git htop tmux pciutils tcpdump ripgrep nix-index nixos-option
     nix-diff ipmitool freeipmi ethtool lm_sensors cmake gnumake file tree
-    ncdu perf ldns pv
-    # From jungle overlay
-    osumb nixgen
+    ncdu config.boot.kernelPackages.perf ldns pv
+    # From bsckgs overlay
+    osumb
   ];
 
   programs.direnv.enable = true;

m/common/base/users.nix

@@ -139,7 +139,6 @@
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKGt0ESYxekBiHJQowmKpfdouw0hVm3N7tUMtAaeLejK vincent@varch"
         ];
-        shell = pkgs.zsh;
       };
 
       pmartin1 = {

m/common/base/watchdog.nix

@@ -5,5 +5,5 @@
   boot.kernelModules = [ "ipmi_watchdog" ];
 
   # Enable systemd watchdog with 30 s interval
-  systemd.settings.Manager.RuntimeWatchdogSec = 30;
+  systemd.watchdog.runtimeTime = "30s";
 }

m/common/xeon/console.nix

@@ -11,11 +11,4 @@
     "console=tty1"
     "console=ttyS0,115200"
   ];
-
-  # Enable GRUB2 serial console
-  boot.loader.grub.extraConfig = ''
-    serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
-    terminal_input --append serial
-    terminal_output --append serial
-  '';
 }

m/eudy/kernel/perf.nix

@@ -1,6 +1,11 @@
-{ pkgs, lib, ... }:
+{ config, pkgs, lib, ... }:
 
 {
+  # add the perf tool
+  environment.systemPackages = with pkgs; [
+    config.boot.kernelPackages.perf
+  ];
+
   # allow non-root users to read tracing data from the kernel
   boot.kernel.sysctl."kernel.perf_event_paranoid" = -2;
   boot.kernel.sysctl."kernel.kptr_restrict" = 0;

m/fox/configuration.nix

@@ -3,13 +3,13 @@
 {
   imports = [
     ../common/base.nix
+    ../common/xeon/console.nix
     ../module/amd-uprof.nix
     ../module/emulation.nix
     ../module/nvidia.nix
     ../module/slurm-client.nix
     ../module/hut-substituter.nix
     ./wireguard.nix
-    ./serial-console.nix
   ];
 
   # Don't turn off on August as UPC has different dates.
@@ -19,9 +19,6 @@
   # Select the this using the ID to avoid mismatches
   boot.loader.grub.device = "/dev/disk/by-id/wwn-0x500a07514b0c1103";
 
-  # Increase time so we can boot other entries
-  boot.loader.timeout = 60;
-
   # No swap, there is plenty of RAM
   swapDevices = lib.mkForce [];
 
@@ -34,10 +31,7 @@
   # Use performance for benchmarks
   powerManagement.cpuFreqGovernor = "performance";
 
-  # Enable amd-uprof in >= 6.15 kernels only
-  services.amd-uprof.enable =
-    let ver = config.boot.kernelPackages.kernel.version;
-    in (lib.strings.compareVersions ver "6.15") >= 0;
+  services.amd-uprof.enable = true;
 
   # Disable NUMA balancing
   boot.kernel.sysctl."kernel.numa_balancing" = 0;
@@ -48,11 +42,6 @@
   # Disable NMI watchdog to save one hw counter (for AMD uProf)
   boot.kernel.sysctl."kernel.nmi_watchdog" = 0;
 
-  specialisation.oldKernel.configuration = {
-    system.nixos.tags = [ "old-kernel" ];
-    boot.kernelPackages = lib.mkForce pkgs.linuxPackages_6_12;
-  };
-
   services.openssh.settings.X11Forwarding = true;
 
   services.fail2ban.enable = true;
@@ -104,4 +93,20 @@
     wantedBy = [ "multi-user.target" ];
     serviceConfig.ExecStart = script;
   };
+
+  # Only allow SSH connections from users who have a SLURM allocation
+  # See: https://slurm.schedmd.com/pam_slurm_adopt.html
+  security.pam.services.sshd.rules.account.slurm = {
+    control = "required";
+    enable = true;
+    modulePath = "${pkgs.slurm}/lib/security/pam_slurm_adopt.so";
+    args = [ "log_level=debug5" ];
+    order = 999999; # Make it last one
+  };
+
+  # Disable systemd session (pam_systemd.so) as it will conflict with the
+  # pam_slurm_adopt.so module. What happens is that the shell is first adopted
+  # into the slurmstepd task and then into the systemd session, which is not
+  # what we want, otherwise it will linger even if all jobs are gone.
+  security.pam.services.sshd.startSession = lib.mkForce false;
 }

m/fox/serial-console.nix

@@ -1,21 +0,0 @@
-{
-  # Restart the serial console
-  systemd.services."serial-getty@ttyS1" = {
-    enable = true;
-    wantedBy = [ "getty.target" ];
-    serviceConfig.Restart = "always";
-  };
-
-  # Enable serial console
-  boot.kernelParams = [
-    "console=tty1"
-    "console=ttyS1,115200"
-  ];
-
-  # Enable GRUB2 serial console
-  boot.loader.grub.extraConfig = ''
-    serial --unit=1 --speed=115200 --word=8 --parity=no --stop=1
-    terminal_input --append serial
-    terminal_output --append serial
-  '';
-}

m/hut/configuration.nix

@@ -45,7 +45,7 @@
       address = "10.0.40.7";
       prefixLength = 24;
     } ];
-    interfaces.ibs785.ipv4.addresses = [ {
+    interfaces.ibp5s0.ipv4.addresses = [ {
       address = "10.0.42.7";
       prefixLength = 24;
     } ];

m/lake2/configuration.nix

@@ -46,7 +46,7 @@
       address = "10.0.40.42";
       prefixLength = 24;
     } ];
-    interfaces.ibs785.ipv4.addresses = [ {
+    interfaces.ibp5s0.ipv4.addresses = [ {
       address = "10.0.42.42";
       prefixLength = 24;
     } ];

m/module/debuginfod.nix

@@ -1,10 +1,3 @@
 {
-  services.nixseparatedebuginfod2 = {
-    enable = true;
-    substituters = [
-      "local:"
-      "https://cache.nixos.org"
-      "http://hut/cache"
-    ];
-  };
+  services.nixseparatedebuginfod.enable = true;
 }

m/module/slurm-client.nix

@@ -1,4 +1,4 @@
-{ lib, pkgs, ... }:
+{ lib, ... }:
 
 {
   imports = [
@@ -21,20 +21,4 @@
   };
 
   services.slurm.client.enable = true;
-
-  # Only allow SSH connections from users who have a SLURM allocation
-  # See: https://slurm.schedmd.com/pam_slurm_adopt.html
-  security.pam.services.sshd.rules.account.slurm = {
-    control = "required";
-    enable = true;
-    modulePath = "${pkgs.slurm}/lib/security/pam_slurm_adopt.so";
-    args = [ "log_level=debug5" ];
-    order = 999999; # Make it last one
-  };
-
-  # Disable systemd session (pam_systemd.so) as it will conflict with the
-  # pam_slurm_adopt.so module. What happens is that the shell is first adopted
-  # into the slurmstepd task and then into the systemd session, which is not
-  # what we want, otherwise it will linger even if all jobs are gone.
-  security.pam.services.sshd.startSession = lib.mkForce false;
 }

m/module/slurm-common.nix

@@ -1,6 +1,31 @@
 { config, pkgs, ... }:
 
-{
+let
+  suspendProgram = pkgs.writeShellScript "suspend.sh" ''
+    exec 1>>/var/log/power_save.log 2>>/var/log/power_save.log
+    set -x
+    export "PATH=/run/current-system/sw/bin:$PATH"
+    echo "$(date) Suspend invoked $0 $*" >> /var/log/power_save.log
+    hosts=$(scontrol show hostnames $1)
+    for host in $hosts; do
+      echo Shutting down host: $host
+      ipmitool -I lanplus -H ''${host}-ipmi -P "" -U "" chassis power off
+    done
+  '';
+
+  resumeProgram = pkgs.writeShellScript "resume.sh" ''
+    exec 1>>/var/log/power_save.log 2>>/var/log/power_save.log
+    set -x
+    export "PATH=/run/current-system/sw/bin:$PATH"
+    echo "$(date) Suspend invoked $0 $*" >> /var/log/power_save.log
+    hosts=$(scontrol show hostnames $1)
+    for host in $hosts; do
+      echo Starting host: $host
+      ipmitool -I lanplus -H ''${host}-ipmi -P "" -U "" chassis power on
+    done
+  '';
+
+in {
   services.slurm = {
     controlMachine = "apex";
     clusterName = "jungle";
@@ -34,6 +59,16 @@
       # the resources. Use the task/cgroup plugin to enable process containment.
       TaskPlugin=task/affinity,task/cgroup
 
+      # Power off unused nodes until they are requested
+      SuspendProgram=${suspendProgram}
+      SuspendTimeout=60
+      ResumeProgram=${resumeProgram}
+      ResumeTimeout=300
+      SuspendExcNodes=fox
+
+      # Turn the nodes off after 1 hour of inactivity
+      SuspendTime=3600
+
       # Reduce port range so we can allow only this range in the firewall
       SrunPortRange=60000-61000
 

m/owl1/configuration.nix

@@ -20,7 +20,7 @@
       address = "10.0.40.1";
       prefixLength = 24;
     } ];
-    interfaces.ibs785.ipv4.addresses = [ {
+    interfaces.ibp5s0.ipv4.addresses = [ {
       address = "10.0.42.1";
       prefixLength = 24;
     } ];

m/owl2/configuration.nix

@@ -21,7 +21,7 @@
       prefixLength = 24;
     } ];
     # Watch out! The OmniPath device is not in the same place here:
-    interfaces.ibs801.ipv4.addresses = [ {
+    interfaces.ibp129s0.ipv4.addresses = [ {
       address = "10.0.42.2";
       prefixLength = 24;
     } ];

m/raccoon/configuration.nix

@@ -4,7 +4,6 @@
   imports = [
     ../common/base.nix
     ../common/ssf/hosts.nix
-    ../common/xeon/console.nix
     ../module/emulation.nix
     ../module/debuginfod.nix
     ../module/nvidia.nix

m/tent/gitea.nix

@@ -27,7 +27,4 @@
       };
     };
   };
-
-  # Allow gitea user to send mail
-  users.users.gitea.extraGroups = [ "mail-robot" ];
 }

overlay.nix

@@ -19,6 +19,7 @@ let
     cudainfo = prev.callPackage ./pkgs/cudainfo/default.nix { };
     #extrae = callPackage ./pkgs/extrae/default.nix { }; # Broken and outdated
     gpi-2 = callPackage ./pkgs/gpi-2/default.nix { };
+    quickShell = import ./pkgs/quick-shell/default.nix { pkgs = final; };
     intelPackages_2023 = callPackage ./pkgs/intel-oneapi/2023.nix { };
     jemallocNanos6 = callPackage ./pkgs/nanos6/jemalloc.nix { };
     # FIXME: Extend this to all linuxPackages variants. Open problem, see:
@@ -30,15 +31,13 @@ let
       amd-uprof-driver = _prev.callPackage ./pkgs/amd-uprof/driver.nix { };
     });
     lmbench = callPackage ./pkgs/lmbench/default.nix { };
-    # Broken and unmantained
-    # mcxx = callPackage ./pkgs/mcxx/default.nix { };
+    mcxx = callPackage ./pkgs/mcxx/default.nix { };
     meteocat-exporter = prev.callPackage ./pkgs/meteocat-exporter/default.nix { };
     mpi = final.mpich; # Set MPICH as default
     mpich = callPackage ./pkgs/mpich/default.nix { mpich = prev.mpich; };
     nanos6 = callPackage ./pkgs/nanos6/default.nix { };
     nanos6Debug = final.nanos6.override { enableDebug = true; };
     nixtools = callPackage ./pkgs/nixtools/default.nix { };
-    nixgen = callPackage ./pkgs/nixgen/default.nix { };
     # Broken because of pkgsStatic.libcap
     # See: https://github.com/NixOS/nixpkgs/pull/268791
     #nix-wrap = callPackage ./pkgs/nix-wrap/default.nix { };
@@ -102,16 +101,14 @@ let
   pkgsTopLevel = filterAttrs (_: isDerivation) bscPkgs;
 
   # Native build in that platform doesn't imply cross build works
-  canCrossCompile = platform: default: pkg:
+  canCrossCompile = platform: pkg:
     (isDerivation pkg) &&
-    # If meta.cross is undefined, use default
-    (pkg.meta.cross or default) &&
-    (meta.availableOn final.pkgsCross.${platform}.stdenv.hostPlatform pkg);
+    # Must be defined explicitly
+    (pkg.meta.cross or false) &&
+    (meta.availableOn platform pkg);
 
   # For now only RISC-V
-  crossSet = genAttrs [ "riscv64" ] (platform:
-    filterAttrs (_: canCrossCompile platform true)
-      final.pkgsCross.${platform}.bsc.pkgsTopLevel);
+  crossSet = { riscv64 = final.pkgsCross.riscv64.bsc.pkgsTopLevel; };
 
   buildList = name: paths:
     final.runCommandLocal name { } ''
@@ -131,7 +128,7 @@ let
   # For now only RISC-V
   crossList = buildList "ci-cross"
     (filter
-      (canCrossCompile "riscv64" false) # opt-in (pkgs with: meta.cross = true)
+      (canCrossCompile final.pkgsCross.riscv64.stdenv.hostPlatform)
         (builtins.attrValues crossSet.riscv64));
 
 in bscPkgs // {

pkgs/amd-uprof/default.nix

@@ -90,7 +90,7 @@ in
     meta = {
       description = "Performance analysis tool-suite for x86 based applications";
       homepage = "https://www.amd.com/es/developer/uprof.html";
-      platforms = [ "x86_64-linux" ];
+      platforms = lib.platforms.linux;
       license = lib.licenses.unfree;
       maintainers = with lib.maintainers.bsc; [ rarias varcila ];
     };

pkgs/amd-uprof/driver.nix

@@ -19,7 +19,7 @@ in stdenv.mkDerivation {
   '';
   hardeningDisable = [ "pic" "format" ];
   nativeBuildInputs = kernel.moduleBuildDependencies;
-  patches = [ ./makefile.patch ./hrtimer.patch ./remove-wr-rdmsrq.patch ];
+  patches = [ ./makefile.patch ./hrtimer.patch ];
   makeFlags = [
     "KERNEL_VERSION=${kernel.modDirVersion}"
     "KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"

pkgs/amd-uprof/remove-wr-rdmsrq.patch

@@ -1,20 +0,0 @@
-diff --git a/inc/PwrProfAsm.h b/inc/PwrProfAsm.h
-index d77770a..c93a0e9 100644
---- a/inc/PwrProfAsm.h
-+++ b/inc/PwrProfAsm.h
-@@ -347,6 +347,7 @@
- 
- #endif
- 
-+/*
- #define rdmsrq(msr,val1,val2,val3,val4) ({ \
-         __asm__ __volatile__( \
-                               "rdmsr\n" \
-@@ -362,6 +363,7 @@
-                               :"c"(msr), "a"(val1), "d"(val2), "S"(val3), "D"(val4) \
-                             ); \
-     })
-+*/
- 
- #define rdmsrpw(msr,val1,val2,val3,val4) ({ \
-         __asm__ __volatile__( \

pkgs/bench6/default.nix

@@ -9,15 +9,13 @@
 , nanos6
 , nodes
 , nosv
-, mkl
 , mpi
 , tampi
 , openblas
 , ovni
 , gitBranch ? "master"
 , gitURL ? "ssh://git@bscpm04.bsc.es/rarias/bench6.git"
-, gitCommit ? "fe30c2cfe36b535ef26a0054e010bc005e88ba04"
-, useMkl ? true
+, gitCommit ? "bf29a53113737c3aa74d2fe3d55f59868faea7b4"
 }:
 
 stdenv.mkDerivation rec {
@@ -44,13 +42,10 @@ stdenv.mkDerivation rec {
     nosv
     mpi
     tampi
-    ovni
-  ] ++ (if (useMkl) then [
-    mkl
-  ] else [
     openblas
     openblas.dev
-  ]);
+    ovni
+  ];
 
   env = {
     NANOS6_HOME = nanos6;

pkgs/cudainfo/default.nix

@@ -1,6 +1,5 @@
 {
   stdenv
-, lib
 , cudatoolkit
 , cudaPackages
 , autoAddDriverRunpath
@@ -12,7 +11,7 @@ stdenv.mkDerivation (finalAttrs: {
   src = ./.;
   buildInputs = [
     cudatoolkit # Required for nvcc
-    (lib.getOutput "static" cudaPackages.cuda_cudart) # Required for -lcudart_static
+    cudaPackages.cuda_cudart.static # Required for -lcudart_static
     autoAddDriverRunpath
   ];
   installPhase = ''
@@ -41,9 +40,4 @@ stdenv.mkDerivation (finalAttrs: {
     '';
     installPhase = "touch $out";
   };
-
-  meta = {
-    platforms = [ "x86_64-linux" ];
-    maintainers = with lib.maintainers.bsc; [ rarias ];
-  };
 })

pkgs/gpi-2/default.nix

@@ -9,6 +9,7 @@
 , automake
 , libtool
 , mpi
+, rsync
 , gfortran
 }:
 
@@ -43,24 +44,13 @@ stdenv.mkDerivation rec {
 
   configureFlags = [
     "--with-infiniband=${rdma-core-all}"
-    "--with-mpi=yes" # fixes mpi detection when cross-compiling
+    "--with-mpi=${mpiAll}"
     "--with-slurm"
     "CFLAGS=-fPIC"
     "CXXFLAGS=-fPIC"
   ];
 
-  nativeBuildInputs = [
-    autoconf
-    automake
-    gfortran
-    libtool
-  ];
-
-  buildInputs = [
-    slurm
-    mpiAll
-    rdma-core-all
-  ];
+  buildInputs = [ slurm mpiAll rdma-core-all autoconf automake libtool rsync gfortran ];
 
   hardeningDisable = [ "all" ];
 
@@ -70,6 +60,5 @@ stdenv.mkDerivation rec {
     maintainers = with lib.maintainers.bsc; [ rarias ];
     platforms = lib.platforms.linux;
     license = lib.licenses.gpl3Plus;
-    cross = false; # infiniband detection does not work
   };
 }

pkgs/intel-oneapi/2023.nix

@@ -10,7 +10,7 @@
 , zlib
 , autoPatchelfHook
 , libfabric
-, gcc
+, gcc13
 , wrapCCWith
 }:
 
@@ -33,6 +33,8 @@ let
     maintainers = with lib.maintainers.bsc; [ abonerib ];
   };
 
+  gcc = gcc13;
+
   v = {
     hpckit   = "2023.1.0";
     compiler = "2023.1.0";

pkgs/llvm-ompss2/clang.nix

@@ -16,19 +16,19 @@
 , useGit ? false
 , gitUrl ? "ssh://git@bscpm04.bsc.es/llvm-ompss/llvm-mono.git"
 , gitBranch ? "master"
-, gitCommit ? "872ba63f86edaefc9787984ef3fae9f2f94e0124" # github-release-2025.11
+, gitCommit ? "880e2341c56bad1dc14e8c369fb3356bec19018e"
 }:
 
 let
   stdenv = llvmPackages_latest.stdenv;
 
   release = rec {
-    version = "2025.11";
+    version = "2025.06";
     src = fetchFromGitHub {
       owner = "bsc-pm";
       repo = "llvm";
       rev = "refs/tags/github-release-${version}";
-      hash = "sha256-UgwMTUkM9Z87dDH205swZFBeFhrcbLAxginViG40pBM=";
+      hash = "sha256-ww9PpRmtz/M9IyLiZ8rAehx2UW4VpQt+svf4XfKBzKo=";
     };
   };
 

pkgs/llvm-ompss2/default.nix

@@ -27,10 +27,10 @@ let
   # We need to replace the lld linker from bintools with our linker just built,
   # otherwise we run into incompatibility issues when mixing compiler and linker
   # versions.
-  bintools-unwrapped = llvmPackages_latest.bintools-unwrapped.override {
+  bintools-unwrapped = llvmPackages_latest.tools.bintools-unwrapped.override {
     lld = clangOmpss2Unwrapped;
   };
-  bintools = llvmPackages_latest.bintools.override {
+  bintools = llvmPackages_latest.tools.bintools.override {
     bintools = bintools-unwrapped;
   };
   targetConfig = stdenv.targetPlatform.config;

pkgs/mcxx/default.nix

@@ -65,7 +65,6 @@ stdenv.mkDerivation rec {
   ];
 
   meta = {
-    broken = true;
     homepage = "https://github.com/bsc-pm/mcxx";
     description = "C/C++/Fortran source-to-source compilation infrastructure aimed at fast prototyping";
     maintainers = with lib.maintainers.bsc; [ rpenacob ];

pkgs/meteocat-exporter/default.nix

@@ -1,11 +1,9 @@
 { python3Packages, lib }:
 
-python3Packages.buildPythonApplication {
+python3Packages.buildPythonApplication rec {
   pname = "meteocat-exporter";
   version = "1.0";
 
-  pyproject = true;
-
   src = ./.;
 
   doCheck = false;

pkgs/mpich/default.nix

@@ -6,13 +6,6 @@
 , pmix
 , gfortran
 , symlinkJoin
-# Disabled when cross-compiling
-# To fix cross compilation, we should fill the values in:
-# https://github.com/pmodels/mpich/blob/main/maint/fcrosscompile/cross_values.txt.in
-# For each arch
-, enableFortran ? stdenv.hostPlatform == stdenv.buildPlatform
-, perl
-, targetPackages
 }:
 
 let
@@ -22,13 +15,10 @@ let
     paths = [ pmix.dev pmix.out ];
   };
 in mpich.overrideAttrs (old: {
-  buildInputs = old.buildInputs ++ [
+  buildInput = old.buildInputs ++ [
     libfabric
     pmixAll
   ];
-  nativeBuildInputs = old.nativeBuildInputs ++ [
-    perl
-  ];
   configureFlags = [
     "--enable-shared"
     "--enable-sharedlib"
@@ -41,21 +31,10 @@ in mpich.overrideAttrs (old: {
   ] ++ lib.optionals (lib.versionAtLeast gfortran.version "10") [
     "FFLAGS=-fallow-argument-mismatch" # https://github.com/pmodels/mpich/issues/4300
     "FCFLAGS=-fallow-argument-mismatch"
-  ] ++ lib.optionals (!enableFortran) [
-    "--disable-fortran"
   ];
-
-  preFixup = ''
-    sed -i 's:^CC=.*:CC=${targetPackages.stdenv.cc}/bin/${targetPackages.stdenv.cc.targetPrefix}cc:' $out/bin/mpicc
-    sed -i 's:^CXX=.*:CXX=${targetPackages.stdenv.cc}/bin/${targetPackages.stdenv.cc.targetPrefix}c++:' $out/bin/mpicxx
-  '' + lib.optionalString enableFortran ''
-    sed -i 's:^FC=.*:FC=${targetPackages.gfortran or gfortran}/bin/${targetPackages.gfortran.targetPrefix or gfortran.targetPrefix}gfortran:' $out/bin/mpifort
-  '';
-
   hardeningDisable = [ "all" ];
 
   meta = old.meta // {
     maintainers = old.meta.maintainers ++ (with lib.maintainers.bsc; [ rarias ]);
-    cross = true;
   };
 })

pkgs/nixgen/default.nix

@@ -1,22 +0,0 @@
-{
-  stdenv
-, lib
-}:
-
-stdenv.mkDerivation {
-  pname = "nixgen";
-  version = "0.0.1";
-  src = ./nixgen;
-  dontUnpack = true;
-  phases = [ "installPhase" ];
-  installPhase = ''
-    mkdir -p $out/bin
-    cp -a $src $out/bin/nixgen
-  '';
-  meta = {
-    description = "Quickly generate flake.nix from command line";
-    maintainers = with lib.maintainers.bsc; [ rarias ];
-    platforms = lib.platforms.linux;
-    license = lib.licenses.gpl3Plus;
-  };
-}

pkgs/nixgen/nixgen

@@ -1,97 +0,0 @@
-#!/bin/sh
-#
-# Copyright (c) 2025, Barcelona Supercomputing Center (BSC)
-# SPDX-License-Identifier: GPL-3.0+
-# Author: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
-
-function usage() {
-  echo "USAGE: nixgen [-f] [package [...]] [-b package [...]]" >&2
-  echo "  Generates a flake.nix file with the given packages." >&2
-  echo "  After flake.nix is created, use 'nix develop' to enter the shell." >&2
-  echo "OPTIONS" >&2
-  echo "  -f               Overwrite existing flake.nix (default: no)." >&2
-  echo "  packages...      Add these packages to the shell." >&2
-  echo "  -b packages...   Add the dependencies needed to build these packages." >&2
-  echo "EXAMPLE" >&2
-  echo "  $ nixgen ovni bigotes -b nosv tampi" >&2
-  echo "  Adds the packages ovni and bigotes as well as all required dependencies" >&2
-  echo "  to build nosv and tampi." >&2
-  echo "AUTHOR" >&2
-  echo "  Rodrigo Arias Mallo <rodrigo.arias@bsc.es>" >&2
-  exit 1
-}
-
-mode=package
-packages=
-inputsFrom=
-force=
-
-if [[ $# -eq 0 ]]; then
-  usage
-fi
-
-while [[ $# -gt 0 ]]; do
-    case $1 in -b)
-      mode=build
-      shift
-      ;;
-    -f)
-      force=1
-      shift
-      ;;
-    -h)
-      usage
-      ;;
-    -*|--*)
-      echo "error: unknown option $1" >&2
-      exit 1
-      ;;
-    *)
-      if [ "$mode" == "package" ]; then
-        packages+="${packages:+ }$1"
-      else
-        inputsFrom+="${inputsFrom:+ }$1"
-      fi
-      shift
-      ;;
-  esac
-done
-
-if [ ! "$force" -a -e flake.nix ]; then
-  echo "error: flake.nix exists, force overwrite with -f" >&2
-  exit 1
-fi
-
-cat > flake.nix <<EOF
-{
-  inputs.jungle.url = "git+https://jungle.bsc.es/git/rarias/jungle";
-  outputs = { self, jungle }:
-  let
-    nixpkgs = jungle.inputs.nixpkgs;
-    customOverlay = (final: prev: {
-      # Example overlay, for now empty
-    });
-    pkgs = import nixpkgs {
-      system = "x86_64-linux";
-      overlays = [
-        # Apply jungle overlay to get our BSC custom packages
-        jungle.outputs.bscOverlay
-        # And on top apply our local changes to customize for cluster
-        customOverlay
-      ];
-    };
-  in {
-    devShells.x86_64-linux.default = pkgs.mkShell {
-      pname = "devshell";
-      # Include these packages in the shell
-      packages = with pkgs; [
-        $packages
-      ];
-      # The dependencies needed to build these packages will be also included
-      inputsFrom = with pkgs; [
-        $inputsFrom
-      ];
-    };
-  };
-}
-EOF

pkgs/nodes/default.nix

@@ -14,19 +14,19 @@
 , useGit ? false
 , gitUrl ? "ssh://git@gitlab-internal.bsc.es/nos-v/nodes.git"
 , gitBranch ? "master"
-, gitCommit ? "511489e71504a44381e0930562e7ac80ac69a848" # version-1.4
+, gitCommit ? "6002ec9ae6eb876d962cc34366952a3b26599ba6"
 }:
 
 with lib;
 
 let
   release = rec {
-    version = "1.4";
+    version = "1.3";
     src = fetchFromGitHub {
       owner = "bsc-pm";
       repo = "nodes";
       rev = "version-${version}";
-      hash = "sha256-+lR/R0l3fGZO3XG7whMorFW2y2YZ0ZFnLeOHyQYrAsQ=";
+      hash = "sha256-cFb9pxcjtkMmH0CsGgUO9LTdXDNh7MCqicgGWawLrsU=";
     };
   };
 

pkgs/nosv/default.nix

@@ -13,19 +13,19 @@
 , useGit ? false
 , gitUrl ? "git@gitlab-internal.bsc.es:nos-v/nos-v.git"
 , gitBranch ? "master"
-, gitCommit ? "1108e4786b58e0feb9a16fa093010b763eb2f8e8" # version 4.0.0
+, gitCommit ? "9f47063873c3aa9d6a47482a82c5000a8c813dd8"
 }:
 
 with lib;
 
 let
   release = rec {
-    version = "4.0.0";
+    version = "3.2.0";
     src = fetchFromGitHub {
       owner = "bsc-pm";
       repo = "nos-v";
       rev = "${version}";
-      hash = "sha256-llaq73bd/YxLVKNlMebnUHKa4z3sdcsuDUoVwUxNuw8=";
+      hash = "sha256-yaz92426EM8trdkBJlISmAoG9KJCDTvoAW/HKrasvOw=";
     };
   };
 

pkgs/osu/default.nix

@@ -32,11 +32,6 @@ stdenv.mkDerivation rec {
       "CXX=mpicxx"
   ];
 
-  env = {
-    MPICH_CC="${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc";
-    MPICH_CXX="${stdenv.cc}/bin/${stdenv.cc.targetPrefix}c++";
-  };
-
   postInstall = ''
     mkdir -p $out/bin
     for f in $(find $out -executable -type f); do
@@ -49,6 +44,5 @@ stdenv.mkDerivation rec {
     homepage = "http://mvapich.cse.ohio-state.edu/benchmarks/";
     maintainers = [ ];
     platforms = lib.platforms.all;
-    cross = true;
   };
 }

pkgs/ovni/default.nix

@@ -7,7 +7,7 @@
 , useGit ? false
 , gitBranch ? "master"
 , gitUrl ? "ssh://git@bscpm04.bsc.es/rarias/ovni.git"
-, gitCommit ? "06432668f346c8bdc1006fabc23e94ccb81b0d8b" # version 1.13.0
+, gitCommit ? "e4f62382076f0cf0b1d08175cf57cc0bc51abc61"
 , enableDebug ? false
 # Only enable MPI if the build is native (fails on cross-compilation)
 , useMpi ? (stdenv.buildPlatform.canExecute stdenv.hostPlatform)
@@ -15,13 +15,13 @@
 
 let
   release = rec {
-    version = "1.13.0";
+    version = "1.12.0";
     src = fetchFromGitHub {
       owner = "bsc-pm";
       repo = "ovni";
       rev = "${version}";
-      hash = "sha256-0l2ryIyWNiZqeYdVlnj/WnQGS3xFCY4ICG8JedX424w=";
-    } // { shortRev = "0643266"; };
+      hash = "sha256-H04JvsVKrdqr3ON7JhU0g17jjlg/jzQ7eTfx9vUNd3E=";
+    } // { shortRev = "a73afcf"; };
   };
 
   git = rec {

pkgs/paraver/default.nix

@@ -12,7 +12,7 @@
 , paraverKernel
 , openssl
 , glibcLocales
-, wrapGAppsHook3
+, wrapGAppsHook
 }:
 
 let
@@ -64,7 +64,7 @@ stdenv.mkDerivation rec {
     autoconf
     automake
     autoreconfHook
-    wrapGAppsHook3
+    wrapGAppsHook
   ];
 
   buildInputs = [

pkgs/quick-shell/default.nix

@@ -0,0 +1,76 @@
+{ pkgs }:
+
+# This builds devshells using passthru to populate packages and inputsFrom
+# lazily.
+#
+# Packages prefixed with @ are added to inputsFrom and the rest are
+# added to packages. This makes it possible to obtain a devshell with combining
+# inputsFrom and packages from the comand line:
+#
+# $ nix develop .#quickShell.@nosv.clang-tools.ovni.@tampi
+#
+# is equivalent to:
+#
+#   with pkgs; mkShell {
+#     packages = [ clang-tools ovni ];
+#     inputsFrom = [ nosv tampi ];
+#   }
+#
+
+let
+  inherit (builtins) attrNames getAttr listToAttrs;
+  inherit (pkgs) lib;
+
+  # list of all packages' names
+  names = attrNames pkgs;
+
+  # generate a attributes containing the selected packages + all the available
+  # packages in names ("" -> packages and "@" -> inputsFrom)
+  go =
+    selected:
+    let
+      mkAttrs =
+        isInputs:
+        (map (
+          name:
+          let
+            pkg = getAttr name pkgs;
+          in
+          {
+            name = (if isInputs then "@" else "") + name;
+            value = go (
+              if isInputs then
+                {
+                  inherit (selected) packages;
+                  inputsFrom = selected.inputsFrom ++ [ pkg ];
+                }
+              else
+                {
+                  inherit (selected) inputsFrom;
+                  packages = selected.packages ++ [ pkg ];
+                }
+            );
+          }
+        ) names);
+
+      attrs = listToAttrs ((mkAttrs true) ++ (mkAttrs false));
+
+      drv = pkgs.mkShell {
+        inherit (selected) inputsFrom packages;
+        name = # build a label from inputsFrom
+          if (selected.inputsFrom == [ ]) then
+            "nix-quick-shell"
+          else
+            lib.concatStringsSep "-" (map (v: v.pname or v.name or "unknown") selected.inputsFrom);
+      };
+    in
+    drv.overrideAttrs {
+      passthru = attrs // {
+        _passthru = drv.passthru;
+      };
+    };
+in
+go {
+  inputsFrom = [ ];
+  packages = [ ];
+}

pkgs/sonar/default.nix

@@ -35,6 +35,5 @@ stdenv.mkDerivation rec {
     maintainers = with lib.maintainers.bsc; [ rarias ];
     platforms = lib.platforms.linux;
     license = lib.licenses.mit;
-    cross = true;
   };
 }

pkgs/tagaspi/default.nix

@@ -5,14 +5,23 @@
 , automake
 , autoconf
 , libtool
+, mpi
 , autoreconfHook
 , gpi-2
 , boost
 , numactl
 , rdma-core
 , gfortran
+, symlinkJoin
 }:
 
+let
+  mpiAll = symlinkJoin {
+    name = "mpi-all";
+    paths = [ mpi.all ];
+  };
+in
+
 stdenv.mkDerivation rec {
   pname = "tagaspi";
   enableParallelBuilding = true;
@@ -26,18 +35,16 @@ stdenv.mkDerivation rec {
     hash = "sha256-RGG/Re2uM293HduZfGzKUWioDtwnSYYdfeG9pVrX9EM=";
   };
 
-  nativeBuildInputs = [
+  buildInputs = [
     autoreconfHook
     automake
     autoconf
     libtool
-    gfortran
-  ];
-
-  buildInputs = [
     boost
     numactl
     rdma-core
+    gfortran
+    mpiAll
   ];
 
   dontDisableStatic = true;
@@ -56,6 +63,5 @@ stdenv.mkDerivation rec {
     maintainers = with lib.maintainers.bsc; [ rarias ];
     platforms = lib.platforms.linux;
     license = lib.licenses.gpl3Plus;
-    cross = false; # gpi-2 cannot cross
   };
 }

pkgs/tampi/default.nix

@@ -68,6 +68,5 @@ in stdenv.mkDerivation {
     maintainers = with lib.maintainers.bsc; [ rarias ];
     platforms = lib.platforms.linux;
     license = lib.licenses.gpl3Plus;
-    cross = true;
   };
 }

pkgs/upc-qaire-exporter/default.nix

@@ -1,11 +1,9 @@
 { python3Packages, lib }:
 
-python3Packages.buildPythonApplication {
+python3Packages.buildPythonApplication rec {
   pname = "upc-qaire-exporter";
   version = "1.0";
 
-  pyproject = true;
-
   src = ./.;
 
   doCheck = false;