lix/src/nix/add-to-store.cc

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#include "command.hh"
#include "common-args.hh"
#include "store-api.hh"
#include "archive.hh"
using namespace nix;
struct CmdAddToStore : MixDryRun, StoreCommand
{
Path path;
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std::optional<std::string> namePart;
FileIngestionMethod ingestionMethod = FileIngestionMethod::Recursive;
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CmdAddToStore()
{
expectArg("path", &path);
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addFlag({
.longName = "name",
.shortName = 'n',
.description = "name component of the store path",
.labels = {"name"},
.handler = {&namePart},
});
addFlag({
.longName = "flat",
.shortName = 0,
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.description = "add flat file to the Nix store",
.handler = {&ingestionMethod, FileIngestionMethod::Flat},
});
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}
std::string description() override
{
return "add a path to the Nix store";
}
std::string doc() override
{
return
#include "add-to-store.md"
;
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}
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Category category() override { return catUtility; }
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void run(ref<Store> store) override
{
if (!namePart) namePart = baseNameOf(path);
StringSink sink;
dumpPath(path, sink);
auto narHash = hashString(htSHA256, *sink.s);
Hash hash = narHash;
if (ingestionMethod == FileIngestionMethod::Flat) {
HashSink hsink(htSHA256);
readFile(path, hsink);
hash = hsink.finish().first;
}
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ValidPathInfo info {
store->makeFixedOutputPath(ingestionMethod, hash, *namePart),
narHash,
};
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info.narSize = sink.s->size();
info.ca = std::optional { FixedOutputHash {
.method = ingestionMethod,
.hash = hash,
} };
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if (!dryRun) {
auto source = StringSource { *sink.s };
store->addToStore(info, source);
}
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logger->cout("%s", store->printStorePath(info.path));
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}
};
static auto rCmdAddToStore = registerCommand<CmdAddToStore>("add-to-store");