69 lines
1.8 KiB
Nix
69 lines
1.8 KiB
Nix
{ lib
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, callPackage
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, python3
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, stdenv
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, writeShellScript
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}:
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let
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# TODO: dependency-inject this.
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sane-data = import ../../modules/data { inherit lib; };
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template = callPackage ./template.nix;
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feed-pkgs = lib.mapAttrs
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(name: feed-details: template {
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feedName = name;
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jsonPath = "modules/data/feeds/sources/${name}/default.json";
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inherit (feed-details) url;
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})
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sane-data.feeds;
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update-scripts = lib.mapAttrsToList
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(name: feed: builtins.concatStringsSep " " feed.passthru.updateScript)
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feed-pkgs;
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in rec { # TODO: make this a scope
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inherit feed-pkgs;
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update = stdenv.mkDerivation {
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pname = "update";
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version = "0.1.0";
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src = ./.;
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patchPhase =
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let
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pyEnv = python3.withPackages (ps: [ ps.feedsearch-crawler ]);
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in ''
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substituteInPlace ./update.py \
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--replace "#!/usr/bin/env nix-shell" "#!${pyEnv.interpreter}"
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'';
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installPhase = ''
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mkdir -p $out/bin
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mv update.py $out/bin/update.py
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'';
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};
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init-feed = writeShellScript
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"init-feed"
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''
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# this is the `nix run '.#init-feed' <url>` script`
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sources_dir=modules/data/feeds/sources
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# prettify the URL, by default
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name=$( \
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echo "$1" \
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| sed 's|^https://||' \
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| sed 's|^http://||' \
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| sed 's|^www\.||' \
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| sed 's|/+$||' \
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)
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json_path="$sources_dir/$name/default.json"
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# the name could have slashes in it, so we want to mkdir -p that
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# but in a way where the least could go wrong.
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pushd "$sources_dir"; mkdir -p "$name"; popd
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${update}/bin/update.py "$name" "$json_path"
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cat "$json_path"
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'';
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passthru = {
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updateScript = writeShellScript
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"feeds-update"
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(builtins.concatStringsSep "\n" update-scripts);
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initFeedScript = init-feed;
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};
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}
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