2017-10-24 10:45:11 +00:00
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#include "common-eval-args.hh"
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#include "shared.hh"
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#include "download.hh"
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#include "util.hh"
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#include "eval.hh"
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2020-03-30 12:03:28 +00:00
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#include "registry.hh"
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#include "fetchers.hh"
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2020-01-22 19:00:58 +00:00
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#include "flake/flakeref.hh"
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2020-03-18 16:23:56 +00:00
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#include "store-api.hh"
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2017-10-24 10:45:11 +00:00
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namespace nix {
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MixEvalArgs::MixEvalArgs()
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{
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mkFlag()
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.longName("arg")
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.description("argument to be passed to Nix functions")
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.labels({"name", "expr"})
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.handler([&](std::vector<std::string> ss) { autoArgs[ss[0]] = 'E' + ss[1]; });
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mkFlag()
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.longName("argstr")
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.description("string-valued argument to be passed to Nix functions")
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.labels({"name", "string"})
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.handler([&](std::vector<std::string> ss) { autoArgs[ss[0]] = 'S' + ss[1]; });
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mkFlag()
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.shortName('I')
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.longName("include")
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.description("add a path to the list of locations used to look up <...> file names")
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.label("path")
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.handler([&](std::string s) { searchPath.push_back(s); });
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2019-04-15 11:45:51 +00:00
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mkFlag()
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.longName("impure")
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.description("allow access to mutable paths and repositories")
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.handler([&](std::vector<std::string> ss) {
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evalSettings.pureEval = false;
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});
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2019-03-21 08:30:16 +00:00
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mkFlag()
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.longName("override-flake")
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.labels({"original-ref", "resolved-ref"})
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.description("override a flake registry value")
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.arity(2)
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.handler([&](std::vector<std::string> ss) {
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2020-02-20 21:14:44 +00:00
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auto from = parseFlakeRef(ss[0], absPath("."));
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auto to = parseFlakeRef(ss[1], absPath("."));
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2020-03-17 19:54:36 +00:00
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fetchers::Attrs extraAttrs;
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2020-02-20 22:44:06 +00:00
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if (to.subdir != "") extraAttrs["dir"] = to.subdir;
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2020-02-20 21:14:44 +00:00
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fetchers::overrideRegistry(from.input, to.input, extraAttrs);
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2019-03-21 08:30:16 +00:00
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});
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2017-10-24 10:45:11 +00:00
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}
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Bindings * MixEvalArgs::getAutoArgs(EvalState & state)
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{
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Bindings * res = state.allocBindings(autoArgs.size());
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for (auto & i : autoArgs) {
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Value * v = state.allocValue();
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if (i.second[0] == 'E')
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state.mkThunk_(*v, state.parseExprFromString(string(i.second, 1), absPath(".")));
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else
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mkString(*v, string(i.second, 1));
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res->push_back(Attr(state.symbols.create(i.first), v));
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}
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res->sort();
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return res;
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}
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Path lookupFileArg(EvalState & state, string s)
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{
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2019-05-22 21:36:29 +00:00
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if (isUri(s)) {
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2020-03-18 16:23:56 +00:00
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return state.store->toRealPath(
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fetchers::downloadTarball(
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state.store, resolveUri(s), "source", false).storePath);
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2019-05-22 21:36:29 +00:00
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} else if (s.size() > 2 && s.at(0) == '<' && s.at(s.size() - 1) == '>') {
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2017-10-24 10:45:11 +00:00
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Path p = s.substr(1, s.size() - 2);
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return state.findFile(p);
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} else
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return absPath(s);
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}
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}
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