From 2f946add15ef3ab917a95f3c9a7dac09029b8ae6 Mon Sep 17 00:00:00 2001
From: Himadri Bhattacharjee <107522312+lavafroth@users.noreply.github.com>
Date: Fri, 24 Oct 2025 17:48:32 +0530
Subject: [PATCH] feat: current nixos generation number

---
 .../post/nix-bytes-build-check-with-flakes.md | 19 ----------------
 content/post/nixos-notes-to-self.md           | 22 +++++++++++++++++++
 2 files changed, 22 insertions(+), 19 deletions(-)
 delete mode 100644 content/post/nix-bytes-build-check-with-flakes.md

diff --git a/content/post/nix-bytes-build-check-with-flakes.md b/content/post/nix-bytes-build-check-with-flakes.md
deleted file mode 100644
index 067bf366..00000000
--- a/content/post/nix-bytes-build-check-with-flakes.md
+++ /dev/null
@@ -1,19 +0,0 @@
----
-title: "Nix bytes: Check if a package builds with flakes"
-date: 2025-10-15T18:11:15+05:30
-draft: false
----
-
-- Ensure flakes are enabled
-- Create the package derviation file in `./package.nix`
-- Add the following to `builder.nix`
-
-```nix
-(import <nixpkgs> {}).callPackage ./package.nix { }
-```
-
-- Run `nix build`  on it
-
-```sh
-nix build -f ./builder.nix
-```
diff --git a/content/post/nixos-notes-to-self.md b/content/post/nixos-notes-to-self.md
index 77743615..fe6b5d0d 100644
--- a/content/post/nixos-notes-to-self.md
+++ b/content/post/nixos-notes-to-self.md
@@ -41,3 +41,25 @@ nix-channel --update
 
 Further reading: [NixOS discourse](https://discourse.nixos.org/t/command-not-found-unable-to-open-database/3807).
 
+
+## Check if a package builds (flakes enabled)
+
+- Ensure flakes are enabled
+- Create the package derviation file in `./package.nix`
+- Add the following to `builder.nix`
+
+```nix
+(import <nixpkgs> {}).callPackage ./package.nix { }
+```
+
+- Run `nix build`  on it
+
+```sh
+nix build -f ./builder.nix
+```
+
+## Get current NixOS generation number
+
+```sh
+readlink /nix/var/nix/profiles/system | cut -d- -f2
+```