docs: extract `scrubDerivations` function from `nmd`
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@ -4,18 +4,37 @@
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lib ? import ../lib/stdlib-extended.nix pkgs.lib inputs,
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...
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}: let
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nmd = import inputs.nmd {
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inherit lib;
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# The DocBook output of `nixos-render-docs` doesn't have the change
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# `nmd` uses to work around the broken stylesheets in
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# `docbook-xsl-ns`, so we restore the patched version here.
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pkgs =
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pkgs
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// {
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docbook-xsl-ns =
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pkgs.docbook-xsl-ns.override {withManOptDedupPatch = true;};
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};
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};
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inherit (lib.modules) mkForce evalModules;
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inherit (lib.strings) hasPrefix removePrefix;
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inherit (lib.attrsets) isAttrs mapAttrs optionalAttrs recursiveUpdate isDerivation;
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# From home-manager:
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#
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# Recursively replace each derivation in the given attribute set
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# with the same derivation but with the `outPath` attribute set to
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# the string `"\${pkgs.attribute.path}"`. This allows the
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# documentation to refer to derivations through their values without
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# establishing an actual dependency on the derivation output.
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#
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# This is not perfect, but it seems to cover a vast majority of use
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# cases.
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#
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# Caveat: even if the package is reached by a different means, the
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# path above will be shown and not e.g.
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# `${config.services.foo.package}`.
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scrubDerivations = prefixPath: attrs: let
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scrubDerivation = name: value: let
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pkgAttrName = prefixPath + "." + name;
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in
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if isAttrs value
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then
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scrubDerivations pkgAttrName value
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// optionalAttrs (isDerivation value) {
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outPath = "\${${pkgAttrName}}";
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}
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else value;
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in
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mapAttrs scrubDerivation attrs;
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# Make sure the used package is scrubbed to avoid actually
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# instantiating derivations.
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@ -23,30 +42,30 @@
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imports = [
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{
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_module.args = {
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pkgs = lib.mkForce (nmd.scrubDerivations "pkgs" pkgs);
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pkgs_i686 = lib.mkForce {};
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pkgs = mkForce (scrubDerivations "pkgs" pkgs);
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pkgs_i686 = mkForce {};
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};
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}
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];
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};
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dontCheckDefinitions = {_module.check = false;};
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githubDeclaration = user: repo: subpath: let
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urlRef = "main";
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in {
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url = "https://github.com/${user}/${repo}/blob/${urlRef}/${subpath}";
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name = "<${repo}/${subpath}>";
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};
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# Specify the path to the module entrypoint
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nvimPath = toString ./..;
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buildOptionsDocs = args @ {
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modules,
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includeModuleSystemOptions ? true,
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...
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}: let
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inherit ((lib.evalModules {inherit modules;})) options;
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inherit ((evalModules {inherit modules;})) options;
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# Declaration of the Github site URL.
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githubDeclaration = user: repo: subpath: let
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urlRef = "github.com";
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branch = "main";
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in {
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url = "https://${urlRef}/${user}/${repo}/blob/${branch}/${subpath}";
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name = "<${repo}/${subpath}>";
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};
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in
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pkgs.buildPackages.nixosOptionsDoc ({
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options =
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@ -54,15 +73,14 @@
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then options
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else builtins.removeAttrs options ["_module"];
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transformOptions = opt:
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opt
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// {
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# Clean up declaration sites to not refer to the Home Manager
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recursiveUpdate opt {
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# Clean up declaration sites to not refer to the neovim-flakee
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# source tree.
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declarations = map (decl:
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if lib.hasPrefix nvimPath (toString decl)
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if hasPrefix nvimPath (toString decl)
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then
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githubDeclaration "notashelf" "neovim-flake"
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(lib.removePrefix "/" (lib.removePrefix nvimPath (toString decl)))
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(removePrefix "/" (removePrefix nvimPath (toString decl)))
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else if decl == "lib/modules.nix"
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then
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# TODO: handle this in a better way (may require upstream
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@ -86,6 +104,7 @@
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release-config = builtins.fromJSON (builtins.readFile ../release.json);
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revision = "release-${release-config.release}";
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# Generate the `man home-configuration.nix` package
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nvf-configuration-manual =
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pkgs.runCommand "neovim-flake-reference-manpage" {
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@ -95,12 +114,15 @@
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# Generate manpages.
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mkdir -p $out/share/man/man5
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mkdir -p $out/share/man/man1
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nixos-render-docs -j $NIX_BUILD_CORES options manpage \
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--revision ${revision} \
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${nvimModuleDocs.optionsJSON}/share/doc/nixos/options.json \
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$out/share/man/man5/neovim-flake.5
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cp ${./neovim-flake.1} $out/share/man/man1/neovim-flake.1
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'';
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# Generate the HTML manual pages
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neovim-flake-manual = pkgs.callPackage ./manual.nix {
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inherit (inputs) nmd;
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@ -110,6 +132,7 @@
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neovim-flake = nvimModuleDocs.optionsJSON;
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};
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};
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html = neovim-flake-manual;
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htmlOpenTool = pkgs.callPackage ./html-open-tool.nix {} {inherit html;};
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in {
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@ -120,7 +143,7 @@ in {
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# `nixosOptionsDoc` is more customizable.
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json =
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pkgs.runCommand "options.json" {
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meta.description = "List of Home Manager options in JSON format";
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meta.description = "List of neovim-flake options in JSON format";
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} ''
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mkdir -p $out/{share/doc,nix-support}
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cp -a ${nvimModuleDocs.optionsJSON}/share/doc/nixos $out/share/doc/neovim-flake
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