diff --git a/overlays/overrides.nix b/overlays/overrides.nix
index 5c31fec..68742ee 100644
--- a/overlays/overrides.nix
+++ b/overlays/overrides.nix
@@ -10,6 +10,7 @@ channels: final: prev: {
     rage
     nixpkgs-fmt
     qutebrowser
+    nvfetcher
     signal-desktop
     neovim
     neovim-unwrapped
diff --git a/pkgs/.shake/.shake.database b/pkgs/.shake/.shake.database
new file mode 100644
index 0000000..2596193
Binary files /dev/null and b/pkgs/.shake/.shake.database differ
diff --git a/pkgs/.shake/.shake.lock b/pkgs/.shake/.shake.lock
new file mode 100644
index 0000000..e69de29
diff --git a/pkgs/_build/.shake.database b/pkgs/_build/.shake.database
new file mode 100644
index 0000000..a4f3389
Binary files /dev/null and b/pkgs/_build/.shake.database differ
diff --git a/pkgs/_build/.shake.lock b/pkgs/_build/.shake.lock
new file mode 100644
index 0000000..e69de29
diff --git a/pkgs/_sources/generated.nix b/pkgs/_build/generated.nix
similarity index 52%
rename from pkgs/_sources/generated.nix
rename to pkgs/_build/generated.nix
index 71be396..21c6b59 100644
--- a/pkgs/_sources/generated.nix
+++ b/pkgs/_build/generated.nix
@@ -1,6 +1,19 @@
 # This file was generated by nvfetcher, please do not modify it manually.
 { fetchgit, fetchurl }:
 {
+  go-fold-if-err-nil = {
+    pname = "go-fold-if-err-nil";
+    version = "4f881c4f64d9caac1f59ebd5d14963f99db3d71a";
+    src = fetchgit {
+      url = "https://im.badat.dev/bad/nvimgofoldiferrnil";
+      rev = "4f881c4f64d9caac1f59ebd5d14963f99db3d71a";
+      fetchSubmodules = false;
+      deepClone = false;
+      leaveDotGit = false;
+      sha256 = "0rr66y86g6g8ixg69yd6ahyzirl82gfvyv6j2w6b0zv5x0979x9v";
+    };
+    
+  };
   manix = {
     pname = "manix";
     version = "d08e7ca185445b929f097f8bfb1243a8ef3e10e4";
@@ -12,5 +25,6 @@
       leaveDotGit = false;
       sha256 = "1b7xi8c2drbwzfz70czddc4j33s7g1alirv12dwl91hbqxifx8qs";
     };
+    
   };
 }
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 924a230..6fd5c73 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -1,5 +1,6 @@
 final: prev: {
   # keep sources this first
-  sources = prev.callPackage (import ./_sources/generated.nix) { };
+  sources = prev.callPackage (import ./sources.nix) { };
   # then, call packages with `final.callPackage`
+  go-fold-if-err-nil = prev.callPackage ./go-fold-if-err-nil.nix { };
 }
diff --git a/pkgs/go-fold-if-err-nil.nix b/pkgs/go-fold-if-err-nil.nix
new file mode 100644
index 0000000..e7979b6
--- /dev/null
+++ b/pkgs/go-fold-if-err-nil.nix
@@ -0,0 +1,6 @@
+{ lib, sources, stdenv, vimUtils, ... }:
+vimUtils.buildVimPluginFrom2Nix {
+	inherit (sources.go-fold-if-err-nil) src version;
+	name = "go-fold-if-err-nil";
+	meta.homepage = "https://im.badat.dev/bad/nvimgofoldiferrnil";
+}
diff --git a/pkgs/sources.nix b/pkgs/sources.nix
new file mode 120000
index 0000000..2bf0b7e
--- /dev/null
+++ b/pkgs/sources.nix
@@ -0,0 +1 @@
+_build/generated.nix
\ No newline at end of file
diff --git a/pkgs/sources.toml b/pkgs/sources.toml
index f7af168..dc05db1 100644
--- a/pkgs/sources.toml
+++ b/pkgs/sources.toml
@@ -1,4 +1,6 @@
-# nvfetcher.toml
 [manix]
 src.git = "https://github.com/mlvzk/manix"
 fetch.github = "mlvzk/manix"
+[go-fold-if-err-nil]
+src.git = "https://im.badat.dev/bad/nvimgofoldiferrnil"
+fetch.git = "https://im.badat.dev/bad/nvimgofoldiferrnil"
diff --git a/profiles/core/default.nix b/profiles/core/default.nix
index a75508e..440e27d 100644
--- a/profiles/core/default.nix
+++ b/profiles/core/default.nix
@@ -40,7 +40,7 @@ in
       whois
 
       nixpkgs-fmt
-      manix
+      nvfetcher
       libqalculate
     ];
   };
diff --git a/users/profiles/neovim/default.nix b/users/profiles/neovim/default.nix
index c2e47b8..53d7961 100644
--- a/users/profiles/neovim/default.nix
+++ b/users/profiles/neovim/default.nix
@@ -32,6 +32,7 @@
         config = "colorscheme iceberg";
       }
       vim-sleuth
+      pkgs.go-fold-if-err-nil
       coc-json
       coc-go
       coc-html