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{ config, lib, pkgs, ... }:
with lib;
let cfg = config.documentation; in
{
options = {
documentation = {
enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to install documentation of packages from
<option>environment.systemPackages</option> into the generated system path.
See "Multiple-output packages" chapter in the nixpkgs manual for more info.
'';
# which is at ../../../doc/multiple-output.xml
};
man.enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to install manual pages and the <command>man</command> command.
This also includes "man" outputs.
'';
};
info.enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to install info pages and the <command>info</command> command.
This also includes "info" outputs.
'';
};
doc.enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to install documentation distributed in packages' <literal>/share/doc</literal>.
Usually plain text and/or HTML.
This also includes "doc" outputs.
'';
};
dev.enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to install documentation targeted at developers.
<itemizedlist>
<listitem><para>This includes man pages targeted at developers if <option>man.enable</option> is
set (this also includes "devman" outputs).</para></listitem>
<listitem><para>This includes info pages targeted at developers if <option>info.enable</option>
is set (this also includes "devinfo" outputs).</para></listitem>
<listitem><para>This includes other pages targeted at developers if <option>doc.enable</option>
is set (this also includes "devdoc" outputs).</para></listitem>
</itemizedlist>
'';
};
};
};
config = mkIf cfg.enable (mkMerge [
(mkIf cfg.man.enable {
environment.systemPackages = [ pkgs.man-db ];
environment.pathsToLink = [ "/share/man" ];
environment.extraOutputsToInstall = [ "man" ] ++ optional cfg.dev.enable "devman";
})
(mkIf cfg.info.enable {
environment.systemPackages = [ pkgs.texinfoInteractive ];
environment.pathsToLink = [ "/share/info" ];
environment.extraOutputsToInstall = [ "info" ] ++ optional cfg.dev.enable "devinfo";
environment.extraSetup = ''
if [ -w $out/share/info ]; then
shopt -s nullglob
for i in $out/share/info/*.info $out/share/info/*.info.gz; do
${pkgs.texinfo}/bin/install-info $i $out/share/info/dir
done
fi
'';
})
(mkIf cfg.doc.enable {
# TODO(@oxij): put it here and remove from profiles?
# environment.systemPackages = [ pkgs.w3m ]; # w3m-nox?
environment.pathsToLink = [ "/share/doc" ];
environment.extraOutputsToInstall = [ "doc" ] ++ optional cfg.dev.enable "devdoc";
})
]);
}
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