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nix/doc/manual/package.nix
Robert Hensing cca8b5ca60 doc: make manpage URLs configurable based on release type
Add configurable documentation URLs that change based on whether this is
an official release or development build:

- Nix builds:
  - Development (officialRelease = false): Use /latest/ URLs
  - Official releases (officialRelease = true): Use versioned URLs with
    MAJOR.MINOR only (e.g., /2.33/ instead of /2.33.0/)
- Plain meson builds: Default to versioned URLs (official-release = true)

Changes:
- Add --doc-url parameter to expand-includes.py
- Add meson option 'official-release' (defaults to true for Meson builds)
- Compute doc_url in meson.build based on version and official-release
- Forward Nix officialRelease variable to Meson in package.nix
- Update render-manpage.sh to pass doc-url parameter

This allows distros (Fedora, etc.) to have stable versioned URLs by default,
while Nix development builds point to /latest/ for up-to-date documentation.
2025-12-06 22:13:19 +01:00

136 lines
3.2 KiB
Nix

{
lib,
callPackage,
mkMesonDerivation,
runCommand,
meson,
ninja,
lowdown-unsandboxed,
mdbook,
jq,
python3,
rsync,
nix-cli,
changelog-d,
json-schema-for-humans,
officialRelease,
# Configuration Options
version,
# `tests` attribute
testers,
}:
let
inherit (lib) fileset;
in
mkMesonDerivation (finalAttrs: {
pname = "nix-manual";
inherit version;
workDir = ./.;
fileset =
fileset.difference
(fileset.unions [
../../.version
# For example JSON
../../src/libutil-tests/data/memory-source-accessor
../../src/libutil-tests/data/hash
../../src/libstore-tests/data/content-address
../../src/libstore-tests/data/store-path
../../src/libstore-tests/data/realisation
../../src/libstore-tests/data/derivation
../../src/libstore-tests/data/derived-path
../../src/libstore-tests/data/path-info
../../src/libstore-tests/data/nar-info
../../src/libstore-tests/data/build-result
../../src/libstore-tests/data/dummy-store
# Too many different types of files to filter for now
../../doc/manual
./.
])
# Do a blacklist instead
../../doc/manual/package.nix;
# TODO the man pages should probably be separate
outputs = [
"out"
"man"
];
nativeBuildInputs = [
nix-cli
meson
ninja
(lib.getBin lowdown-unsandboxed)
mdbook
jq
python3
rsync
json-schema-for-humans
changelog-d
]
++ lib.optionals (!officialRelease) [
# When not an official release, we likely have changelog entries that have
# yet to be rendered.
# When released, these are rendered into a committed file to save a dependency.
changelog-d
];
mesonFlags = [
(lib.mesonBool "official-release" officialRelease)
];
preConfigure = ''
chmod u+w ./.version
echo ${finalAttrs.version} > ./.version
'';
postInstall = ''
mkdir -p ''$out/nix-support
echo "doc manual ''$out/share/doc/nix/manual" >> ''$out/nix-support/hydra-build-products
'';
/**
The root of the HTML manual.
E.g. "${nix-manual.site}/index.html" exists.
*/
passthru.site = finalAttrs.finalPackage + "/share/doc/nix/manual";
passthru.tests =
let
redirect-targets = callPackage ./redirect-targets-html.nix { };
in
{
# https://nixos.org/manual/nixpkgs/stable/index.html#tester-lycheeLinkCheck
linkcheck = testers.lycheeLinkCheck {
site =
let
plain = finalAttrs.finalPackage.site;
in
runCommand "nix-manual-with-redirect-targets" { } ''
cp -r ${plain} $out
chmod -R u+w $out
cp ${redirect-targets}/redirect-targets.html $out/redirect-targets.html
'';
extraConfig = {
exclude = [
# Exclude auto-generated JSON schema documentation which has
# auto-generated fragment IDs that don't match the link references
".*/protocols/json/.*\\.html"
# Exclude undocumented builtins
".*/language/builtins\\.html#builtins-addErrorContext"
".*/language/builtins\\.html#builtins-appendContext"
];
};
};
};
meta = {
platforms = lib.platforms.all;
};
})