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doc: Add automatic generation of library function documentation

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Modifies the build process of the manual to invoke nixdoc
automatically to generate XML files with function documentation.

Currently documentation is present for five of the files in `lib/`.

To add another file to the generated docs, both
`doc/functions/library.xml` and `doc/lib-function-docs.nix` must be
updated.
This commit is contained in:
Vincent Ambo 2018-12-30 01:10:19 +01:00 committed by Frederik Rietdijk
parent eab0c3258f
commit 0c99dac497
3 changed files with 38 additions and 2 deletions
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5
doc/default.nix
View file

@ -2,8 +2,8 @@
let
lib = pkgs.lib;
locationsXml = import ./lib-function-locations.nix { inherit pkgs nixpkgs; };
in
pkgs.stdenv.mkDerivation {
functionDocs = import ./lib-function-docs.nix { inherit locationsXml pkgs; };
in pkgs.stdenv.mkDerivation {
name = "nixpkgs-manual";
buildInputs = with pkgs; [ pandoc libxml2 libxslt zip jing xmlformat ];
@ -32,6 +32,7 @@ pkgs.stdenv.mkDerivation {
postPatch = ''
rm -rf ./functions/library/locations.xml
ln -s ${locationsXml} ./functions/library/locations.xml
ln -s ${functionDocs} ./functions/library/generated
echo ${lib.version} > .version
'';

9
doc/functions/library.xml
View file

@ -12,4 +12,13 @@
<xi:include href="./library/asserts.xml" />
<xi:include href="./library/attrsets.xml" />
<!-- These docs are generated via nixdoc. To add another generated
library function file to this list, the file
`lib-function-docs.nix` must also be updated. -->
<xi:include href="./library/generated/strings.xml" />
<xi:include href="./library/generated/trivial.xml" />
<xi:include href="./library/generated/lists.xml" />
<xi:include href="./library/generated/debug.xml" />
<xi:include href="./library/generated/options.xml" />
</section>

26
doc/lib-function-docs.nix Normal file
View file

@ -0,0 +1,26 @@
# Generates the documentation for library functons via nixdoc. To add
# another library function file to this list, the include list in the
# file `doc/functions/library.xml` must also be updated.
{ pkgs ? import ./.. {}, locationsXml }:
with pkgs; stdenv.mkDerivation {
name = "nixpkgs-lib-docs";
src = ./../lib;
buildInputs = [ nixdoc ];
installPhase = ''
function docgen {
nixdoc -c "$1" -d "$2" -f "../lib/$1.nix" > "$out/$1.xml"
}
mkdir -p $out
ln -s ${locationsXml} $out/locations.xml
docgen strings 'String manipulation functions'
docgen trivial 'Miscellaneous functions'
docgen lists 'List manipulation functions'
docgen debug 'Debugging functions'
docgen options 'NixOS / nixpkgs option handling'
'';
}