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Merge #34866: nixos doc: efficient comparisons

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This solves most of the performance regression from a7d75ab (#33898).
This commit is contained in:
Vladimír Čunát 2018-02-12 08:31:43 +01:00
parent 53e790e7a8 b468f98b02
commit 040bde9052
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2 changed files with 5 additions and 5 deletions
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1
lib/options.nix
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@ -85,6 +85,7 @@ rec {
concatMap (opt:
let
docOption = rec {
loc = opt.loc;
name = showOption opt.loc;
description = opt.description or (throw "Option `${name}' has no description.");
declarations = filter (x: x != unknownModule) opt.declarations;

9
nixos/doc/manual/default.nix
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@ -63,18 +63,17 @@ let
stripAnyPrefixes = lib.flip (lib.fold lib.removePrefix) prefixesToStrip;
# Custom "less" that pushes up all the things ending in ".enable*"
# and ".package"
optionListLess = a: b:
# and ".package*"
optionLess = a: b:
let
splt = lib.splitString ".";
ise = lib.hasPrefix "enable";
isp = lib.hasPrefix "package";
cmp = lib.splitByAndCompare ise lib.compare
(lib.splitByAndCompare isp lib.compare lib.compare);
in lib.compareLists cmp (splt a) (splt b) < 0;
in lib.compareLists cmp a.loc b.loc < 0;
# Customly sort option list for the man page.
optionsList = lib.sort (a: b: optionListLess a.name b.name) optionsListDesc;
optionsList = lib.sort optionLess optionsListDesc;
# Convert the list of options into an XML file.
optionsXML = builtins.toFile "options.xml" (builtins.toXML optionsList);