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manual: add HTML manual

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Also add a `home-manager-help` script that attempts to open the HTML
manual in a browser.
This commit is contained in:
Robert Helgesson 2018-05-18 23:18:12 +02:00
parent b6da6569c4
commit f812260c23
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GPG Key ID: 36BDAA14C2797E89
1 changed files with 40 additions and 2 deletions
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42
modules/manual.nix
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@ -4,6 +4,8 @@ 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.
@ -32,10 +34,42 @@ let
in scrubbedEval.options;
};
manualHtmlRoot = "${homeManagerManual.manual}/share/doc/home-manager/index.html";
helpScript = pkgs.writeScriptBin "home-manager-help" ''
#!${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;
@ -51,8 +85,12 @@ in
};
};
config = mkIf config.manual.manpages.enable {
home.packages = [ homeManagerManual.manpages ];
config = {
home.packages = mkMerge [
(mkIf cfg.html.enable [ helpScript homeManagerManual.manual ])
(mkIf cfg.manpages.enable [ homeManagerManual.manpages ])
];
};
# To fix error during manpage build.