packages: add fet for timetable planning

flake.lock

@@ -19,11 +19,11 @@
     "czkawka-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1770285649,
+        "lastModified": 1770553979,
-        "narHash": "sha256-OGvDPAU68pXm1jCotJdtMfQe+5jsF455hz4Mx1AncEY=",
+        "narHash": "sha256-Y1iqHvN5rhcOmawAnSznsk44Kr1rwPVYPm/2UpwExUg=",
         "owner": "qarmin",
         "repo": "czkawka",
-        "rev": "76f4e03bea141bdfda4f54d27b2139dc8cfb0a8b",
+        "rev": "a33c1f0566876fbe7b783b0e02c695f489ad1096",
         "type": "github"
       },
       "original": {
@@ -55,6 +55,21 @@
         "type": "github"
       }
     },
+    "fet": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "path": "./flakes/fet",
+        "type": "path"
+      },
+      "original": {
+        "path": "./flakes/fet",
+        "type": "path"
+      },
+      "parent": []
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -73,6 +88,24 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "naersk": {
       "inputs": {
         "fenix": "fenix",
@@ -112,11 +145,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1770197578,
+        "lastModified": 1770562336,
-        "narHash": "sha256-AYqlWrX09+HvGs8zM6ebZ1pwUqjkfpnv8mewYwAo+iM=",
+        "narHash": "sha256-ub1gpAONMFsT/GU2hV6ZWJjur8rJ6kKxdm9IlCT0j84=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "00c21e4c93d963c50d4c0c89bfa84ed6e0694df2",
+        "rev": "d6c71932130818840fc8fe9509cf50be8c64634f",
         "type": "github"
       },
       "original": {
@@ -128,11 +161,27 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1770328555,
+        "lastModified": 1770562336,
-        "narHash": "sha256-FkRxi4byWqMol4IFoWTAS72iBHoGImK6ZT1RK5gkIgY=",
+        "narHash": "sha256-ub1gpAONMFsT/GU2hV6ZWJjur8rJ6kKxdm9IlCT0j84=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "60dbab5d04ffce502b6cfb21a89c2d2fb2c3deb3",
+        "rev": "d6c71932130818840fc8fe9509cf50be8c64634f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1770625969,
+        "narHash": "sha256-3ESg5ra+raxilFcmJw1vihoGS7Abet1v0OpVn1MxPzU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "69ecaffa7deb4daa5a83cb813f8251665e3af93e",
         "type": "github"
       },
       "original": {
@@ -142,13 +191,13 @@
         "type": "github"
       }
     },
-    "nixpkgs_3": {
+    "nixpkgs_4": {
       "locked": {
-        "lastModified": 1770197578,
+        "lastModified": 1770562336,
-        "narHash": "sha256-AYqlWrX09+HvGs8zM6ebZ1pwUqjkfpnv8mewYwAo+iM=",
+        "narHash": "sha256-ub1gpAONMFsT/GU2hV6ZWJjur8rJ6kKxdm9IlCT0j84=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "00c21e4c93d963c50d4c0c89bfa84ed6e0694df2",
+        "rev": "d6c71932130818840fc8fe9509cf50be8c64634f",
         "type": "github"
       },
       "original": {
@@ -161,8 +210,9 @@
     "root": {
       "inputs": {
         "czkawka-master": "czkawka-master",
+        "fet": "fet",
         "nix-flatpak": "nix-flatpak",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
         "solaar-master": "solaar-master"
       }
     },
@@ -185,8 +235,8 @@
     },
     "solaar-master": {
       "inputs": {
-        "flake-utils": "flake-utils",
+        "flake-utils": "flake-utils_2",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_4",
         "solaar-src": "solaar-src"
       },
       "locked": {
@@ -230,6 +280,21 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -6,6 +6,7 @@
     czkawka-master.url = "path:./flakes/czkawka-master";
     # czkawka-git.url = "github:qarmin/czkawka?dir=misc/nix";
     solaar-master.url = "path:./flakes/solaar-master";
+    fet.url = "path:./flakes/fet";
   };
 
   outputs =
@@ -15,6 +16,7 @@
       nix-flatpak,
       czkawka-master,
       solaar-master,
+      fet,
       ...
     }:
     {
@@ -24,6 +26,7 @@
           specialArgs = {
             inherit czkawka-master;
             inherit solaar-master;
+            inherit fet;
           };
           modules = [
             ./configuration.nix

flakes/fet/flake.nix

@@ -0,0 +1,84 @@
+{
+  description = "FET - Free Timetabling Software";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        packages.default = pkgs.stdenv.mkDerivation rec {
+          pname = "fet";
+          version = "7.7.5"; # Current stable version as of Feb 2026
+
+          src = pkgs.fetchurl {
+            url = "https://lalescu.ro/liviu/fet/download/fet-${version}.tar.xz";
+            sha256 = "0ajvpqjxswjxk3mjjh9mc0ks96f07d26pl8vashqs8jfc1isxrd0";
+          };
+
+          enableParallelBuilding = true;
+
+          nativeBuildInputs = [
+            pkgs.qt6.qmake
+            pkgs.qt6.wrapQtAppsHook
+            pkgs.copyDesktopItems
+          ];
+
+          buildInputs = [
+            pkgs.qt6.qtbase
+          ];
+
+          configurePhase = ''
+            qmake fet.pro
+          '';
+
+          # This creates the .desktop file automatically
+          desktopItems = [
+            (pkgs.makeDesktopItem {
+              name = "fet";
+              exec = "fet";
+              icon = "fet";
+              comment = "Free Timetabling Software";
+              desktopName = "FET";
+              categories = [
+                "Education"
+                "Qt"
+              ];
+            })
+          ];
+
+          installPhase = ''
+            runHook preInstall
+
+            mkdir -p $out/bin
+            cp fet $out/bin/
+
+            # Install the icon (FET usually provides icons in the source)
+            mkdir -p $out/share/icons/hicolor/128x128/apps
+            cp icons/fet.png $out/share/icons/hicolor/128x128/apps/fet.png
+
+            runHook postInstall
+          '';
+
+          meta = with pkgs.lib; {
+            description = "Free software for automatically scheduling timetables";
+            homepage = "https://lalescu.ro/liviu/fet/";
+            license = licenses.agpl3Plus;
+            platforms = platforms.linux;
+            mainProgram = "fet";
+          };
+        };
+      }
+    );
+}

modules/packages.nix

@@ -4,6 +4,7 @@
   lib,
   czkawka-master,
   solaar-master,
+  fet,
   ...
 }:
 
@@ -61,6 +62,7 @@
     curl
     # czkawka
     czkawka-master.packages.${pkgs.stdenv.hostPlatform.system}.default
+    fet.packages.${pkgs.stdenv.hostPlatform.system}.default
     # czkawka-git.packages.${pkgs.stdenv.hostPlatform.system}.czkawka-gui-wayland
     ddcutil
     discord