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|
{ config, lib, pkgs, baseModules, ... }:
with lib;
let
cfg = config.manual;
/* For the purpose of generating docs, evaluate options with each derivation
in `pkgs` (recursively) replaced by a fake with path "\${pkgs.attribute.path}".
It isn't perfect, but it seems to cover a vast majority of use cases.
Caveat: even if the package is reached by a different means,
the path above will be shown and not e.g. `${config.services.foo.package}`. */
homeManagerManual = import ../doc {
inherit pkgs config;
version = "0.1";
revision = "master";
options =
let
scrubbedEval = evalModules {
modules = [ { nixpkgs.localSystem = config.nixpkgs.localSystem; } ] ++ baseModules;
args = (config._module.args) // { modules = [ ]; };
specialArgs = { pkgs = scrubDerivations "pkgs" pkgs; };
};
scrubDerivations = namePrefix: pkgSet: mapAttrs
(name: value:
let wholeName = "${namePrefix}.${name}"; in
if isAttrs value then
scrubDerivations wholeName value
// (optionalAttrs (isDerivation value) { outPath = "\${${wholeName}}"; })
else value
)
pkgSet;
in scrubbedEval.options;
};
manualHtmlRoot = "${homeManagerManual.manual}/share/doc/home-manager/index.html";
helpScript = pkgs.writeShellScriptBin "home-manager-help" ''
#!${pkgs.bash}/bin/bash -e
if [ -z "$BROWSER" ]; then
for candidate in xdg-open open w3m; do
BROWSER="$(type -P $candidate || true)"
if [ -x "$BROWSER" ]; then
break;
fi
done
fi
if [ -z "$BROWSER" ]; then
echo "$0: unable to start a web browser; please set \$BROWSER"
exit 1
fi
exec "$BROWSER" ${manualHtmlRoot}
'';
in
{
options = {
manual.html.enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to install the HTML manual. This also installs the
<command>home-manager-help</command> tool, which opens a local
copy of the Home Manager manual in the system web browser.
'';
};
manual.manpages.enable = mkOption {
type = types.bool;
default = true;
example = false;
description = ''
Whether to install the configuration manual page. The manual can
be reached by <command>man home-configuration.nix</command>.
</para><para>
When looking at the manual page pretend that all references to
NixOS stuff are actually references to Home Manager stuff.
Thanks!
'';
};
};
config = {
home.packages = mkMerge [
(mkIf cfg.html.enable [ helpScript homeManagerManual.manual ])
(mkIf cfg.manpages.enable [ homeManagerManual.manpages ])
];
};
# To fix error during manpage build.
meta = {
maintainers = [ maintainers.rycee ];
doc = builtins.toFile "nothingness" "";
};
}
|
