From 3a781eff320873c2131fe643a3f77c49ca30420c Mon Sep 17 00:00:00 2001
From: Gabriel Arazas <foodogsquared@foodogsquared.one>
Date: Thu, 25 Jan 2024 19:08:34 +0800
Subject: [PATCH] flake.nix: reduce nixpkgs instances

---
 flake.lock | 40 ++++++----------------------------------
 flake.nix  |  9 +++++++++
 2 files changed, 15 insertions(+), 34 deletions(-)

diff --git a/flake.lock b/flake.lock
index 0517e86e..61fc7a4e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -437,7 +437,9 @@
     },
     "home-manager-stable": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": [
+          "nixpkgs"
+        ]
       },
       "locked": {
         "lastModified": 1704099619,
@@ -456,7 +458,9 @@
     },
     "home-manager-unstable": {
       "inputs": {
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": [
+          "nixpkgs"
+        ]
       },
       "locked": {
         "lastModified": 1704809957,
@@ -686,22 +690,6 @@
         "type": "github"
       }
     },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1701718080,
-        "narHash": "sha256-6ovz0pG76dE0P170pmmZex1wWcQoeiomUZGggfH9XPs=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "2c7f3c0fb7c08a0814627611d9d7d45ab6d75335",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixpkgs-lib": {
       "locked": {
         "dir": "lib",
@@ -783,22 +771,6 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1703961334,
-        "narHash": "sha256-M1mV/Cq+pgjk0rt6VxoyyD+O8cOUiai8t9Q6Yyq4noY=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "b0d36bd0a420ecee3bc916c91886caca87c894e9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixvim": {
       "inputs": {
         "flake-parts": "flake-parts_4",
diff --git a/flake.nix b/flake.nix
index 6700b26e..ed6ca3ad 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,6 +9,11 @@
     commit-lockfile-summary = "flake.lock: update inputs";
   };
 
+  # Just take note we still set common flake inputs to our own version even if
+  # we just use the modules and its overlays just so we don't download more of
+  # them. Each flake update is like 100MB worth just from the multiple nixpkgs
+  # branches at the following section, that's edging on the "too-much" scale
+  # for my fragile internet bandwidth.
   inputs = {
     # I know NixOS can be stable but we're going cutting edge, baybee! While
     # `nixpkgs-unstable` branch could be faster delivering updates, it is
@@ -28,8 +33,12 @@
 
     # Managing home configurations.
     home-manager.follows = "home-manager-unstable";
+
     home-manager-stable.url = "github:nix-community/home-manager/release-23.11";
+    home-manager-stable.inputs.nixpkgs.follows = "nixpkgs";
+
     home-manager-unstable.url = "github:nix-community/home-manager";
+    home-manager-unstable.inputs.nixpkgs.follows = "nixpkgs";
 
     # Make a Neovim distro.
     nixvim.url = "github:nix-community/nixvim";