Use pelican config when building sites

modules/services/static-sites/default.nix

@@ -22,7 +22,17 @@ let
         runHook preBuild
         cd ${workdir}
         ${copyPlugins}
-        ${pythonEnv}/bin/pelican content -o "$out"
+        conf=""
+        if [ -f publishconf.py ]; then
+          conf="publishconf.py"
+        elif [ -f pelicanconf.py ]; then
+          conf="pelicanconf.py"
+        fi
+        if [ -n "$conf" ]; then
+          ${pythonEnv}/bin/pelican content -o "$out" -s "$conf"
+        else
+          ${pythonEnv}/bin/pelican content -o "$out"
+        fi
         runHook postBuild
       '';
       installPhase = "true";