70 lines
2.0 KiB
Nix
70 lines
2.0 KiB
Nix
{
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description = "Org-roam export pipeline — Elixir escript";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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};
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outputs = { self, nixpkgs, flake-utils }:
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flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = import nixpkgs { inherit system; };
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fs = pkgs.lib.fileset;
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# Emacs with ox-hugo — needed at runtime by the pipeline escript
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# (export_org_files calls `emacs --batch` with ox-hugo).
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emacsWithOxHugo = (pkgs.emacsPackagesFor pkgs.emacs-nox).emacsWithPackages
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(epkgs: [ epkgs.ox-hugo ]);
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# Pre-fetched Hex/Mix dependencies.
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# src is filtered to mix.exs + mix.lock so source edits don't
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# invalidate this derivation.
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mixDeps = pkgs.beamPackages.fetchMixDeps {
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pname = "pipeline-mix-deps";
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version = "0.1.0";
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src = fs.toSource {
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root = ./.;
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fileset = fs.unions [
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./mix.exs
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./mix.lock
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];
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};
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sha256 = "sha256-E79X+nUy86G1Jrwv3T7dXekoGv8Hd14ZgJSKWjvlmAw=";
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};
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# Compiled pipeline escript (without runtime wrappers).
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pipelineEscript = pkgs.beamPackages.mixRelease {
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pname = "pipeline";
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version = "0.1.0";
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src = ./.;
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escriptBinName = "pipeline";
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mixFodDeps = mixDeps;
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stripDebug = true;
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};
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# Wrapped pipeline that puts emacs (with ox-hugo) on PATH so
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# the escript's System.cmd("emacs", ...) calls succeed.
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pipelineApp = pkgs.writeShellApplication {
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name = "pipeline";
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runtimeInputs = [ emacsWithOxHugo ];
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text = ''
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exec ${pipelineEscript}/bin/pipeline "$@"
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'';
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};
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in
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{
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packages.default = pipelineApp;
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packages.escript = pipelineEscript;
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devShells.default = pkgs.mkShell {
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buildInputs = [
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pkgs.elixir
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emacsWithOxHugo
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];
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};
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});
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}
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