forked from lix-project/lix
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
#include "common-eval-args.hh"
|
|
#include "shared.hh"
|
|
#include "filetransfer.hh"
|
|
#include "util.hh"
|
|
#include "eval.hh"
|
|
#include "fetchers.hh"
|
|
#include "registry.hh"
|
|
#include "flake/flakeref.hh"
|
|
#include "store-api.hh"
|
|
|
|
namespace nix {
|
|
|
|
MixEvalArgs::MixEvalArgs()
|
|
{
|
|
auto category = "Common evaluation options";
|
|
|
|
addFlag({
|
|
.longName = "arg",
|
|
.description = "Pass the value *expr* as the argument *name* to Nix functions.",
|
|
.category = category,
|
|
.labels = {"name", "expr"},
|
|
.handler = {[&](std::string name, std::string expr) { autoArgs[name] = 'E' + expr; }}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "argstr",
|
|
.description = "Pass the string *string* as the argument *name* to Nix functions.",
|
|
.category = category,
|
|
.labels = {"name", "string"},
|
|
.handler = {[&](std::string name, std::string s) { autoArgs[name] = 'S' + s; }},
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "include",
|
|
.shortName = 'I',
|
|
.description = "Add *path* to the list of locations used to look up `<...>` file names.",
|
|
.category = category,
|
|
.labels = {"path"},
|
|
.handler = {[&](std::string s) { searchPath.push_back(s); }}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "impure",
|
|
.description = "Allow access to mutable paths and repositories.",
|
|
.category = category,
|
|
.handler = {[&]() {
|
|
evalSettings.pureEval = false;
|
|
}},
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "override-flake",
|
|
.description = "Override the flake registries, redirecting *original-ref* to *resolved-ref*.",
|
|
.category = category,
|
|
.labels = {"original-ref", "resolved-ref"},
|
|
.handler = {[&](std::string _from, std::string _to) {
|
|
auto from = parseFlakeRef(_from, absPath("."));
|
|
auto to = parseFlakeRef(_to, absPath("."));
|
|
fetchers::Attrs extraAttrs;
|
|
if (to.subdir != "") extraAttrs["dir"] = to.subdir;
|
|
fetchers::overrideRegistry(from.input, to.input, extraAttrs);
|
|
}}
|
|
});
|
|
|
|
addFlag({
|
|
.longName = "eval-store",
|
|
.description = "The Nix store to use for evaluations.",
|
|
.category = category,
|
|
.labels = {"store-url"},
|
|
.handler = {&evalStoreUrl},
|
|
});
|
|
}
|
|
|
|
Bindings * MixEvalArgs::getAutoArgs(EvalState & state)
|
|
{
|
|
Bindings * res = state.allocBindings(autoArgs.size());
|
|
for (auto & i : autoArgs) {
|
|
Value * v = state.allocValue();
|
|
if (i.second[0] == 'E')
|
|
state.mkThunk_(*v, state.parseExprFromString(string(i.second, 1), absPath(".")));
|
|
else
|
|
mkString(*v, string(i.second, 1));
|
|
res->push_back(Attr(state.symbols.create(i.first), v));
|
|
}
|
|
res->sort();
|
|
return res;
|
|
}
|
|
|
|
Path lookupFileArg(EvalState & state, string s)
|
|
{
|
|
if (isUri(s)) {
|
|
return state.store->toRealPath(
|
|
fetchers::downloadTarball(
|
|
state.store, resolveUri(s), "source", false).first.storePath);
|
|
} else if (s.size() > 2 && s.at(0) == '<' && s.at(s.size() - 1) == '>') {
|
|
Path p = s.substr(1, s.size() - 2);
|
|
return state.findFile(p);
|
|
} else
|
|
return absPath(s);
|
|
}
|
|
|
|
}
|