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18
README.md
18
README.md
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@ -1,10 +1,22 @@
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# maintainers
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This flake provides two bundlers that compile information about the maintainership of packages.
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This flake provides two [Nix bundlers](https://github.com/NixOS/bundlers) that compile information about the maintainership of packages.
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## #unmaintained (#default)
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Usage:
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This bundler accepts a derivation or a NixOS configuration and returns a report containing a list of derivations in the closure of the input that have no maintainer in nixpkgs. Each package is accompanied by a link to the package source in nixpkgs. If you see a package in your report that you care about, sign up as a maintainer!
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```
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nix bundle --bundler github:Jaculabilis/maintainers [installable]
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```
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where `installable` is a flake reference to a derivation or a NixOS configuration. For example, if you have NixOS configs on GitHub, you would use `github:myusername/nixos-configs#nixosConfigurations.mycomputer`. If your configs are elsewhere, you could use the more generic `git+https://git.example.com/myusername/nixos-configs#nixosConfigurations.mycomputer`, or even run against a local checkout using `path:.#nixosConfigurations.mycomputer`.
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The default bundler is `#unmaintained`. You can specify a bundler by name using `--bundler github:Jaculabilis/maintainers#bundlername`.
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## Bundlers
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### unmaintained
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This bundler accepts a derivation or a NixOS configuration and returns a report containing a list of derivations in the closure of the input that have no maintainer in nixpkgs. (Put simply: it returns a list of unmaintained dependency packages.) Each package is accompanied by a link to the package source in nixpkgs. If you see a package in your report that you care about, sign up as a maintainer!
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Note that many derivations have no `.meta.maintainers`, e.g. `fetchTarball`. This list specificaly includes packages that _have_ a `.meta.maintainers` that is empty.
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@ -0,0 +1,65 @@
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{
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self,
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nixosSystem,
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pkgs,
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...
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}:
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let
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# A dummy package with no maintainer
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orphanPkg = pkgs.stdenv.mkDerivation {
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name = "dummy-unmaintained-package";
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installPhase = ''
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echo "dummy-unmaintained-package" > $out
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'';
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meta = {
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maintainers = [ ];
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};
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};
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# A dummy package with a maintainer
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parentPkg = pkgs.stdenv.mkDerivation {
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name = "dummy-maintained-package";
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buildInputs = [ orphanPkg ];
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installPhase = ''
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echo "dummy-maintained-package" > $out
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'';
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meta = {
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maintainers = [ { github = "github"; } ];
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};
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};
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# A dummy NixOS config with an unmaintained package in its closure
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config = nixosSystem {
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inherit (pkgs) system;
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modules = [
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(
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{ ... }:
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{
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environment.systemPackages = [ parentPkg ];
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# Boilerplate so nixosSystem compiles
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fileSystems."/" = {
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device = "/dev/dvd";
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fsType = "ext4";
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};
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boot.loader.grub.device = "/dev/dvd";
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system.stateVersion = "24.05";
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}
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)
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];
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};
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inherit (self.bundlers.${pkgs.system}) all unmaintained;
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grepCheck =
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name: search: target:
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pkgs.runCommandLocal name { } ''
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wc -l ${target} >> test.log
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grep ${search} ${target} >> test.log
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cp test.log $out
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'';
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in
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{
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package = grepCheck "package" orphanPkg.name (unmaintained orphanPkg);
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packageClosure = grepCheck "packageClosure" orphanPkg.name (unmaintained parentPkg);
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configClosure = grepCheck "configClosure" orphanPkg.name (unmaintained config);
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}
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36
flake.nix
36
flake.nix
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@ -2,18 +2,40 @@
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outputs =
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{ self, nixpkgs, ... }:
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let
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supportedSystems = [
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"x86_64-linux"
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"x86_64-darwin"
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"aarch64-linux"
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"aarch64-darwin"
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];
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forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
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nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
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system = "x86_64-linux";
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pkgs = nixpkgs.legacyPackages.${system};
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lib = import ./lib.nix { inherit pkgs; };
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inherit (lib) allMaintainers expandInput noMaintainers;
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in
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{
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bundlers."x86_64-linux" = rec {
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default = unmaintained;
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lib = forAllSystems (system: import ./lib.nix { pkgs = nixpkgsFor.${system}; });
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bundlers = forAllSystems (
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system:
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let
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inherit (self.lib.${system}) allMaintainers expandInput noMaintainers;
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in
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{
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default = self.bundlers.${system}.unmaintained;
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all = drv: allMaintainers (expandInput drv);
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unmaintained = drv: noMaintainers (expandInput drv);
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};
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}
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);
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formatter."x86_64-linux" = pkgs.nixfmt-rfc-style;
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formatter = forAllSystems (system: nixpkgsFor.${system}.nixfmt-rfc-style);
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checks = forAllSystems (
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system:
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import ./checks.nix {
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inherit self;
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inherit (nixpkgs.lib) nixosSystem;
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pkgs = nixpkgsFor.${system};
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}
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);
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};
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}
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17
lib.nix
17
lib.nix
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{ pkgs, ... }:
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let
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inherit (builtins)
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genericClosure
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hasAttr
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head
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length
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tail
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;
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inherit (pkgs) runCommandLocal writeText;
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inherit (pkgs.lib)
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concatLines
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concatLists
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concatMap
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concatStringsSep
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filter
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isDerivation
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isList
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mapAttrsToList
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;
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inherit (pkgs.lib) concatLines concatStringsSep filter;
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inherit (import ./closure.nix { inherit pkgs; }) drvClosure;
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in
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rec {
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expandInput =
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input:
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if (input.class or null == "nixos") && (input._type or null == "configuration") then
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[
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input.config.system.build.toplevel
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input.config.environment.systemPackages
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]
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[ input.config.system.build.toplevel ] ++ input.config.environment.systemPackages
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else
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input;
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}
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