home-manager/modules/programs/man.nix
Emily 9f9e277b60 treewide: remove now-redundant lib.mdDoc calls
These (and the `*MD` functions apart from `literalMD`) are now no-ops
in nixpkgs and serve no purpose other than to add additional noise and
potentially mislead people into thinking unmarked DocBook documentation
will still be accepted.

Note that if backporting changes including documentation to 23.05,
the `mdDoc` calls will need to be re-added.

To reproduce this commit, run:

    $ NIX_PATH=nixpkgs=flake:nixpkgs/e7e69199f0372364a6106a1e735f68604f4c5a25 \
      nix shell nixpkgs#coreutils \
      -c find . -name '*.nix' \
      -exec nix run -- github:emilazy/nix-doc-munge/98dadf1f77351c2ba5dcb709a2a171d655f15099 \
      --strip {} +
    $ ./format
2023-07-17 18:49:09 +01:00

74 lines
2.2 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let cfg = config.programs.man;
in {
options = {
programs.man = {
enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable manual pages and the {command}`man`
command. This also includes "man" outputs of all
`home.packages`.
'';
};
package = mkOption {
type = types.package;
default = pkgs.man;
defaultText = literalExpression "pkgs.man";
description = "The man package to use.";
};
generateCaches = mkOption {
type = types.bool;
default = false;
description = ''
Whether to generate the manual page index caches using
{manpage}`mandb(8)`. This allows searching for a page or
keyword using utilities like {manpage}`apropos(1)`.
This feature is disabled by default because it slows down
building. If you don't mind waiting a few more seconds when
Home Manager builds a new generation, you may safely enable
this option.
'';
};
};
};
config = mkIf cfg.enable {
home.packages = [ cfg.package ];
home.extraOutputsToInstall = [ "man" ];
# This is mostly copy/pasted/adapted from NixOS' documentation.nix.
home.file = mkIf cfg.generateCaches {
".manpath".text = let
# Generate a directory containing installed packages' manpages.
manualPages = pkgs.buildEnv {
name = "man-paths";
paths = config.home.packages;
pathsToLink = [ "/share/man" ];
extraOutputsToInstall = [ "man" ];
ignoreCollisions = true;
};
# Generate a database of all manpages in ${manualPages}.
manualCache = pkgs.runCommandLocal "man-cache" { } ''
# Generate a temporary man.conf so mandb knows where to
# write cache files.
echo "MANDB_MAP ${manualPages}/share/man $out" > man.conf
# Run mandb to generate cache files:
${cfg.package}/bin/mandb -C man.conf --no-straycats --create \
${manualPages}/share/man
'';
in ''
MANDB_MAP ${config.home.profileDirectory}/share/man ${manualCache}
'';
};
};
}