diff --git a/dev/flake-module.nix b/dev/flake-module.nix index 5ac60b9..2831151 100644 --- a/dev/flake-module.nix +++ b/dev/flake-module.nix @@ -11,6 +11,36 @@ enable = true; autoMergeMethod = "merge"; when.dayOfMonth = 1; + flakes = { + "." = { }; + "dev" = { }; + }; + effect.settings = { + # Only fetch the `lib` subtree. + # NOTE: Users don't have to do this. They are recommended to use follows + # and just use the `nixpkgs` they're already fetching anyway. + # It doesn't have to be `lib/` only! + git.update.script = lib.mkBefore '' + echo 'Fetching nixpkgs-lib tree' + branch="nixos-unstable" + mkdir ~/nixpkgs + git -C ~/nixpkgs init + git -C ~/nixpkgs remote add origin https://github.com/NixOS/nixpkgs.git + git -C ~/nixpkgs fetch origin --filter=blob:none --depth=1 "$branch" + commit="$(git -C ~/nixpkgs rev-parse FETCH_HEAD)" + tree="$(git -C ~/nixpkgs rev-parse FETCH_HEAD:lib)" + + echo 'Adjusting nixpkgs-lib.url' + sed -i flake.nix -e \ + 's^ nixpkgs-lib\.url = ".*^ nixpkgs-lib\.url = "https://github.com/NixOS/nixpkgs/archive/'$tree'.tar.gz"; # '$commit' /lib from '$branch'^' + git diff + grep -F "$tree" flake.nix >/dev/null || { + echo 'failed to write new tree to flake.nix' + exit 1 + } + git commit flake.nix -m 'flake.nix: Update nixpkgs-lib tree' + ''; + }; }; perSystem = { config, pkgs, ... }: {