chore(npins): Remove nixpkgs, use nixos-unstable instead

.forgejo/workflows/npins-update.yaml

@@ -760,35 +760,6 @@ jobs:
         -o simple | grep \"$COMMIT_MESSAGE dgnum-chores\") ]; then\n    tea pr create
         --description \"Automatic npins update\" --title \"$COMMIT_MESSAGE\" --head
         \"$GIT_UPDATE_BRANCH\"\n  fi\nfi\n"
-  nixpkgs:
-    runs-on: nix
-    steps:
-    - uses: actions/checkout@v3
-      with:
-        fetch-depth: 0
-        token: ${{ secrets.TEA_DGNUM_CHORES_TOKEN }}
-    - env:
-        GIT_UPDATE_BRANCH: npins-updates/nixpkgs
-      name: Switch to a new branch
-      run: "if git ls-remote --exit-code --heads origin \"refs/heads/$GIT_UPDATE_BRANCH\"\
-        ; then\n  git switch \"$GIT_UPDATE_BRANCH\"\n  git rebase main\n  echo \"\
-        EXISTING_BRANCH=1\" >> $GITHUB_ENV\nelse\n  git switch -C \"$GIT_UPDATE_BRANCH\"\
-        \nfi\n"
-    - env:
-        COMMIT_MESSAGE: 'chore(npins): Update nixpkgs'
-        GIT_UPDATE_BRANCH: npins-updates/nixpkgs
-      name: Open a PR if updates are present
-      run: "npins update nixpkgs\n\nif [ ! -z \"$(git diff --name-only)\" ]; then\n\
-        \  echo \"[+] Changes detected, pushing updates.\"\n\n  git add npins\n\n\
-        \  if [ -n \"$EXISTING_BRANCH\" ]; then\n    git commit --amend --no-edit\n\
-        \    git push --force\n  else\n    git commit --message \"$COMMIT_MESSAGE\"\
-        \n    git push -u origin \"$GIT_UPDATE_BRANCH\"\n  fi\n\n  # Connect to the
-        server with the cli\n  tea login add -n dgnum-chores -t \"${{ secrets.TEA_DGNUM_CHORES_TOKEN
-        }}\" -u https://git.dgnum.eu\n\n  # Create a pull request if needed\n  # i.e.
-        no PR with the same title exists\n  if [ -z $(tea pr ls -f='title,author'
-        -o simple | grep \"$COMMIT_MESSAGE dgnum-chores\") ]; then\n    tea pr create
-        --description \"Automatic npins update\" --title \"$COMMIT_MESSAGE\" --head
-        \"$GIT_UPDATE_BRANCH\"\n  fi\nfi\n"
   proxmox-nixos:
     runs-on: nix
     steps:

default.nix

@@ -5,7 +5,7 @@
 
 {
   sources ? import ./npins,
-  pkgs ? import sources.nixpkgs { },
+  pkgs ? import sources.nixos-unstable { },
 }:
 
 let

hive.nix

@@ -147,7 +147,7 @@ in
             ./${nodePath}.nix
             ./modules/netconf
             ./lib/netconf-junos
-            "${sources.nixpkgs}/nixos/modules/misc/assertions.nix"
+            "${sources.nixos-unstable}/nixos/modules/misc/assertions.nix"
           ];
 
           system.host-name = name;

keys/default.nix

@@ -5,7 +5,7 @@
 let
   _sources = import ../npins;
 
-  inherit (import _sources.nixpkgs { }) lib;
+  inherit (import _sources.nixos-unstable { }) lib;
 
   meta = import ../meta lib;
 

meta/verify.nix

@@ -7,7 +7,7 @@
 # To do so run `nix-build ./verify.nix`
 let
   sources = import ../npins;
-  pkgs = import sources.nixpkgs { };
+  pkgs = import sources.nixos-unstable { };
 
   dns = import sources."dns.nix" { inherit pkgs; };
 in

npins/sources.json

@@ -296,12 +296,6 @@
       "url": "https://releases.nixos.org/nixos/unstable/nixos-25.05beta737779.9abb87b552b7/nixexprs.tar.xz",
       "hash": "0vjcyxzyiryspx8k1h7xsw0j9gcb4hs5wihhng64l9sqdf0b3kwp"
     },
-    "nixpkgs": {
-      "type": "Channel",
-      "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.05pre737947.357cd3dfdb89/nixexprs.tar.xz",
-      "hash": "1i2y5wbbvk6bll1da33if1jq4f7icqsigyd3aqgi74gg18a8hqfw"
-    },
     "proxmox-nixos": {
       "type": "Git",
       "repository": {