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fix!: Provide the file writer in an overlay

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builtins.toFile doesn't work in pure evaluation mode. It must use
a function from nixpkgs, so it should be provided in an overlay.
This commit is contained in:
Akira Komamura 2021-12-12 05:18:46 +09:00
parent b18f271e40
commit d3c44b7fec
2 changed files with 12 additions and 5 deletions
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13
flake.nix
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@ -1,5 +1,16 @@
{ {
description = "Nix library for extracting source blocks from Org"; description = "Nix library for extracting source blocks from Org";
outputs = { ... }: { lib = import ./nix; }; outputs = { ... }:
let
lib = import ./nix;
in
{
inherit lib;
overlay = _: pkgs: {
tangleOrgBabelFile = name: path: options:
pkgs.writeText name
(lib.tangleOrgBabel options (builtins.readFile path));
};
};
} }

4
nix/default.nix
View file

@ -8,13 +8,9 @@ let
builtins.any (t: matchOrgHeadline t s) headlines; builtins.any (t: matchOrgHeadline t s) headlines;
tangleOrgBabel = import ./tangleOrgBabel.nix; tangleOrgBabel = import ./tangleOrgBabel.nix;
tangleOrgBabelFile = name: path: options:
toFile name (tangleOrgBabel options (readFile path));
in in
{ {
inherit matchOrgTag matchOrgHeadline matchOrgHeadlines; inherit matchOrgTag matchOrgHeadline matchOrgHeadlines;
inherit excludeOrgSubtreesOnHeadlines; inherit excludeOrgSubtreesOnHeadlines;
inherit tangleOrgBabel; inherit tangleOrgBabel;
inherit tangleOrgBabelFile;
} }