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";
+        sourcePath = realSrc;
       };
       blog = pkgs.callPackage ./nix/package.nix {
         siteUrl = "https://blog.jan-leila.com";
+        sourcePath = realSrc;
       };
       volpe = pkgs.callPackage ./nix/package.nix {
         siteUrl = "https://volpe.jan-leila.com";
+        sourcePath = realSrc;
       };
     });
 
@@ -46,7 +51,7 @@
         {nixpkgs.overlays = overlays;}
         ./nix/configuration.nix
       ];
-      specialArgs = {inherit inputs;};
+      specialArgs = {inherit inputs realSrc;};
     };
 
     # Deployment helper - use with: nix run .#deploy
@@ -58,9 +63,10 @@
           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
         '');
       };
     });
   };
-}
+}