init

flake.nix

@@ -0,0 +1,171 @@
+{
+  description = "Nix Flake for GIMP 3 built from source";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    # Source du code GIMP
+    gimp-source = {
+      url = "github:GNOME/gimp/gimp-3.0";
+      flake = false;
+    };
+  };
+
+  outputs = { self, nixpkgs, flake-utils, gimp-source }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        
+        # Fonction pour construire GIMP 3 à partir du code source
+        buildGimp3 = { 
+          version ? "3.0.0", 
+          enabledFeatures ? [],
+          disabledFeatures ? []
+        }: pkgs.stdenv.mkDerivation {
+          pname = "gimp";
+          inherit version;
+          
+          src = gimp-source;
+          
+          # Dépendances de construction
+          nativeBuildInputs = with pkgs; [
+            pkg-config
+            meson
+            ninja
+            python3
+            gettext
+            perl
+            intltool
+            appstream-glib
+            desktop-file-utils
+            gobject-introspection
+            wrapGAppsHook
+          ];
+          
+          # Dépendances d'exécution
+          buildInputs = with pkgs; [
+            glib
+            gtk3
+            gdk-pixbuf
+            pango
+            cairo
+            harfbuzz
+            babl
+            gegl
+            libmypaint
+            mypaint-brushes1
+            gexiv2
+            libwebp
+            libpng
+            libjpeg
+            libtiff
+            libheif
+            libexif
+            lcms2
+            poppler
+            poppler_data
+            ghostscript
+            librsvg
+            libmng
+            libjxl
+            libwmf
+            libxslt
+            libxml2
+            json-glib
+            libgudev
+            iso-codes
+            aalib
+            openexr
+            dbus-glib
+            xorg.libXmu
+            xorg.libXpm
+            zlib
+            bzip2
+          ] ++ pkgs.lib.optionals (pkgs.stdenv.isLinux) [
+            libunwind
+          ];
+          
+          # Configuration meson
+          mesonFlags = [
+            "-Dbuild-id=Nix"
+            "-Dgtk-doc=false"
+          ] 
+          ++ pkgs.lib.optionals (enabledFeatures != []) 
+            (map (feature: "-D${feature}=enabled") enabledFeatures)
+          ++ pkgs.lib.optionals (disabledFeatures != []) 
+            (map (feature: "-D${feature}=disabled") disabledFeatures);
+          
+          # Post-installation : configuration des plugins
+          postInstall = ''
+            # Création des répertoires pour les plugins
+            mkdir -p $out/lib/gimp/3.0/plug-ins
+            mkdir -p $out/lib/gimp/3.0/scripts
+          '';
+          
+          meta = with pkgs.lib; {
+            description = "GNU Image Manipulation Program (GIMP) version 3.0";
+            homepage = "https://www.gimp.org/";
+            license = licenses.gpl3Plus;
+            platforms = platforms.unix;
+            maintainers = [ maintainers.your-github-username ];
+          };
+        };
+        
+        # Construction de base de GIMP 3
+        gimp3-base = buildGimp3 {};
+        
+        # Fonction pour créer un GIMP 3 avec des plugins personnalisés
+        mkGimp3WithPlugins = { 
+          plugins ? [], 
+          enabledFeatures ? [],
+          disabledFeatures ? []
+        }: pkgs.symlinkJoin {
+          name = "gimp3-with-plugins";
+          paths = [ (buildGimp3 { inherit enabledFeatures disabledFeatures; }) ] ++ plugins;
+          
+          # Script pour ajouter les plugins au chemin de recherche de GIMP
+          postBuild = ''
+            # Création d'un wrapper qui configure les chemins des plugins
+            mkdir -p $out/bin
+            cat > $out/bin/gimp << EOF
+            #!/bin/sh
+            export GIMP3_PLUGINDIR=\$HOME/.config/GIMP/3.0/plug-ins:${pkgs.lib.concatStringsSep ":" (map (p: "${p}/lib/gimp/3.0/plug-ins") plugins)}
+            export GIMP3_SCRIPTDIR=\$HOME/.config/GIMP/3.0/scripts:${pkgs.lib.concatStringsSep ":" (map (p: "${p}/lib/gimp/3.0/scripts") plugins)}
+            exec ${gimp3-base}/bin/gimp "\$@"
+            EOF
+            chmod +x $out/bin/gimp
+          '';
+        };
+        
+      in
+      {
+        packages = rec {
+          # Le package GIMP 3 de base
+          gimp3 = gimp3-base;
+          
+          # Une version avec des fonctionnalités activées/désactivées
+          gimp3-full = buildGimp3 {
+            enabledFeatures = [
+              "python" 
+              "javascript"
+              "lua"
+              "webp"
+              "openexr"
+            ];
+          };
+          
+          default = gimp3;
+        };
+        
+        # Fonction que d'autres flakes peuvent utiliser
+        lib = {
+          inherit buildGimp3 mkGimp3WithPlugins;
+        };
+        
+        # Applications exécutables
+        apps = rec {
+          gimp3 = flake-utils.lib.mkApp { drv = self.packages.${system}.gimp3; exePath = "/bin/gimp"; };
+          default = gimp3;
+        };
+      });
+}