fix: fixed publish dates for builds

flake.nix

@@ -18,16 +18,21 @@
         f {
           pkgs = import nixpkgs {inherit overlays system;};
         });
+
+    realSrc = /. + (builtins.getEnv "PWD");
   in {
     packages = forEachSupportedSystem ({pkgs}: {
       default = pkgs.callPackage ./nix/package.nix {
         siteUrl = "https://blog.jan-leila.com";
+        src = realSrc;
       };
       blog = pkgs.callPackage ./nix/package.nix {
         siteUrl = "https://blog.jan-leila.com";
+        src = realSrc;
       };
       volpe = pkgs.callPackage ./nix/package.nix {
         siteUrl = "https://volpe.jan-leila.com";
+        src = realSrc;
       };
     });
 
@@ -58,7 +63,8 @@
           echo "Building and deploying to cyberian@69.61.19.180..."
           nixos-rebuild switch --flake .#volpe \
             --target-host cyberian@69.61.19.180 \
-            --sudo
+            --sudo \
+            --impure
         '');
       };
     });

nix/package.nix

@@ -5,26 +5,49 @@
   pnpm_10,
   fetchPnpmDeps,
   pnpmConfigHook,
+  git,
   siteUrl,
+  src,
 }: let
   nodejs = nodejs_latest;
   pnpm = pnpm_10;
+  
+  # Filter source: use cleanSourceFilter as base, but include .git and exclude _site
+  filteredSrc = lib.cleanSourceWith {
+    inherit src;
+    filter = path: type:
+      let
+        baseName = baseNameOf path;
+        # Always include .git directory
+        isGit = baseName == ".git" || lib.hasInfix "/.git/" path || lib.hasSuffix "/.git" path;
+      in
+        isGit || (
+          # Apply base cleanSourceFilter
+          lib.cleanSourceFilter path type &&
+          # Additional exclusions
+          baseName != "_site" &&
+          baseName != "node_modules"
+        );
+  };
 in
   stdenv.mkDerivation (finalAttrs: {
     pname = "volpe";
     version = "1.0.0";
 
-    src = lib.cleanSource ./..;
+    src = filteredSrc;
 
     nativeBuildInputs = [
       nodejs
       pnpm
       pnpmConfigHook
+      git
     ];
 
     # fetchPnpmDeps creates the offline store
+    # Use clean source (excludes .git, _site, node_modules)
     pnpmDeps = fetchPnpmDeps {
-      inherit (finalAttrs) pname version src;
+      inherit (finalAttrs) pname version;
+      src = lib.cleanSource src;
       hash = "sha256-rN8P6g/Wuug+fv0rm/qbKN01NgcbpgEQmhDFe2X42uA=";
       fetcherVersion = 3; # pnpm store version
     };