lix/src/nix/derivation-show.cc
John Ericson 27597f8131 Rename files to reflect new nix derivation show name
This will match the files we added for `nix add derivation` in the rest
of this PR.
2023-04-07 08:34:58 -04:00

65 lines
1.6 KiB
C++

// FIXME: integrate this with nix path-info?
// FIXME: rename to 'nix store derivation show' or 'nix debug derivation show'?
#include "command.hh"
#include "common-args.hh"
#include "store-api.hh"
#include "archive.hh"
#include "derivations.hh"
#include <nlohmann/json.hpp>
using namespace nix;
using json = nlohmann::json;
struct CmdShowDerivation : InstallablesCommand
{
bool recursive = false;
CmdShowDerivation()
{
addFlag({
.longName = "recursive",
.shortName = 'r',
.description = "Include the dependencies of the specified derivations.",
.handler = {&recursive, true}
});
}
std::string description() override
{
return "show the contents of a store derivation";
}
std::string doc() override
{
return
#include "derivation-show.md"
;
}
Category category() override { return catUtility; }
void run(ref<Store> store, Installables && installables) override
{
auto drvPaths = Installable::toDerivations(store, installables, true);
if (recursive) {
StorePathSet closure;
store->computeFSClosure(drvPaths, closure);
drvPaths = std::move(closure);
}
json jsonRoot = json::object();
for (auto & drvPath : drvPaths) {
if (!drvPath.isDerivation()) continue;
jsonRoot[store->printStorePath(drvPath)] =
store->readDerivation(drvPath).toJSON(*store);
}
logger->cout(jsonRoot.dump(2));
}
};
static auto rCmdShowDerivation = registerCommand2<CmdShowDerivation>({"derivation", "show"});