8f13435020
This is a little helper which tries to render different input files into a fancier, human readable plain text form. This is quite useful to gether with build.gopherHole. Change-Id: Ibe0050fa6a55e85745127a287bba0febeeb75849 Reviewed-on: https://cl.tvl.fyi/c/depot/+/12874 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Autosubmit: sterni <sternenseemann@systemli.org>
56 lines
1 KiB
Nix
56 lines
1 KiB
Nix
{ pkgs, depot, lib, ... }:
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{ fmt ? null
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, passthru ? { }
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, ...
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}@args:
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let
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inherit (depot.nix) getBins utils;
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bins = getBins pkgs.lowdown [
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"lowdown"
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] // getBins pkgs.mandoc [
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"mandoc"
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] // getBins pkgs.gnused [
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"sed"
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];
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actions = {
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mdoc = ''
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${bins.mandoc} -T utf8 "${thing}" > "$out"
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'';
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# Use lowdown's terminal target, but strip all ANSI SGR escape sequences
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markdown = ''
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${bins.lowdown} -Tterm "${thing}" \
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| ${bins.sed} -e 's|\\x1b\\[[;0-9]*m||g' \
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> "$out"
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'';
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plain = ''
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cp --reflink=auto "${thing}" "$out"
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'';
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};
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thingType = builtins.head (
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builtins.filter (x: x != null) (
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builtins.map (t: if args ? ${t} then t else null) (
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builtins.attrNames actions
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)
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)
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);
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thing = args.${thingType};
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name = args.name or utils.storePathName thing;
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in
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pkgs.runCommand name
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{
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inherit passthru;
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}
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(
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actions.${thingType} + lib.optionalString (fmt != null) ''
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fmt -w "${lib.escapeShellArg (toString fmt)}" "$out"
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''
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)
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