Add quickShell to build devshells quickly

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     #extrae = callPackage ./pkgs/extrae/default.nix { }; # Broken and outdated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:

pkgs/paraver/default.nix

@@ -1,4 +1,5 @@
-{ stdenv
+{
+  stdenv
 , lib
 , fetchFromGitHub
 , autoreconfHook
@@ -12,17 +13,14 @@
 , openssl
 , glibcLocales
 , wrapGAppsHook
-
-, enableDebug ? false
 }:
 
 let
   wx = wxGTK32;
-  version = "4.12.0";
 in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "wxparaver";
-  inherit version;
+  version = "4.12.0";
 
   src = fetchFromGitHub {
     owner = "bsc-performance-tools";
@@ -39,26 +37,21 @@ stdenv.mkDerivation {
     ./fix-boost-87.patch
   ];
 
+  hardeningDisable = [ "all" ];
+
   # Fix the PARAVER_HOME variable
   postPatch = ''
     sed -i 's@^PARAVER_HOME=.*$@PARAVER_HOME='$out'@g' docs/wxparaver
     sed -i '1aexport LOCALE_ARCHIVE="${glibcLocales}/lib/locale/locale-archive"' docs/wxparaver
   '';
 
+  dontStrip = true;
   enableParallelBuilding = true;
 
-  hardeningDisable = [ "all" ];
+  preConfigure = ''
-
+    export CFLAGS="-O3"
-  dontStrip = true;
+    export CXXFLAGS="-O3"
-
+  '';
-  env =
-    let
-      flags = if enableDebug then "-ggdb -Og" else "-O3";
-    in
-    {
-      CFLAGS = flags;
-      CXXFLAGS = flags;
-    };
 
   configureFlags = [
     "--with-boost=${boost}"
@@ -76,11 +69,11 @@ stdenv.mkDerivation {
 
   buildInputs = [
     boost
-    libxml2
+    libxml2.dev
     xml2
     wx
     paraverKernel
-    openssl
+    openssl.dev
   ];
 
   postInstall = ''

pkgs/paraver/kernel.nix

@@ -1,4 +1,5 @@
-{ stdenv
+{
+  stdenv
 , lib
 , fetchFromGitHub
 , autoreconfHook
@@ -9,16 +10,11 @@
 , automake
 , pkg-config
 , zlib
-
-, enableDebug ? false
 }:
 
-let
+stdenv.mkDerivation rec {
-  version = "4.12.0";
-in
-stdenv.mkDerivation {
   pname = "paraver-kernel";
-  inherit version;
+  version = "4.12.0";
 
   src = fetchFromGitHub {
     owner = "bsc-performance-tools";
@@ -39,14 +35,10 @@ stdenv.mkDerivation {
 
   dontStrip = true;
 
-  env =
+  preConfigure = ''
-    let
+    export CFLAGS="-O3 -DPARALLEL_ENABLED"
-      flags = "-DPARALLEL_ENABLED " + (if enableDebug then "-ggdb -Og" else "-O3");
+    export CXXFLAGS="-O3 -DPARALLEL_ENABLED"
-    in
+  '';
-    {
-      CFLAGS = flags;
-      CXXFLAGS = flags;
-    };
 
   configureFlags = [
     "--with-boost=${boost}"

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 = [ ];
+}