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|
{ lib
, fetchurl
, runCommand
, writeText
}:
{ name ? "deps"
, data
, dontFixup ? true
, ...
}
@ attrs:
let
data' = builtins.removeAttrs
(if builtins.isPath data then lib.importJSON data else data)
[ "!version" ];
urlToPath = url:
if lib.hasPrefix "https://" url then (
let
url' = lib.drop 2 (lib.splitString "/" url);
in "https/${builtins.concatStringsSep "/" url'}"
)
else builtins.replaceStrings ["://"] ["/"] url;
code = ''
mkdir -p "$out"
cd "$out"
'' + builtins.concatStringsSep "" (lib.mapAttrsToList (url: info:
let
key = builtins.head (builtins.attrNames info);
val = info.${key};
path = urlToPath url;
name = baseNameOf path;
source = {
redirect = "$out/${urlToPath val}";
hash = fetchurl { inherit url; hash = val; };
text = writeText name val;
}.${key} or (throw "Unknown key: ${url}");
in ''
mkdir -p "${dirOf path}"
ln -s "${source}" "${path}"
'') data');
in
runCommand name (builtins.removeAttrs attrs [ "name" "data" ] // {
passthru = (attrs.passthru or {}) // {
data = writeText "deps.json" (builtins.toJSON data);
};
}) code
|
