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#include "affinity.hh" // FIXME
#include "command.hh"
#include "progress-bar.hh"
#include "shared.hh"
#include "store-api.hh"
#include "thread-pool.hh"
#include <atomic>
using namespace nix;
struct CmdCopySigs : StorePathsCommand
{
Strings substituterUris;
CmdCopySigs()
{
mkFlag('s', "substituter", {"store-uri"}, "use signatures from specified store", 1,
[&](Strings ss) { substituterUris.push_back(ss.front()); });
}
std::string name() override
{
return "copy-sigs";
}
std::string description() override
{
return "copy path signatures from substituters (like binary caches)";
}
void run(ref<Store> store, Paths storePaths) override
{
restoreAffinity(); // FIXME
if (substituterUris.empty())
throw UsageError("you must specify at least one subtituter using ‘-s’");
// FIXME: factor out commonality with MixVerify.
std::vector<ref<Store>> substituters;
for (auto & s : substituterUris)
substituters.push_back(openStoreAt(s));
ProgressBar progressBar;
ThreadPool pool;
std::atomic<size_t> done{0};
std::atomic<size_t> added{0};
auto showProgress = [&]() {
return (format("[%d/%d done]") % done % storePaths.size()).str();
};
progressBar.updateStatus(showProgress());
auto doPath = [&](const Path & storePath) {
auto activity(progressBar.startActivity(format("getting signatures for ‘%s’") % storePath));
checkInterrupt();
auto info = store->queryPathInfo(storePath);
StringSet newSigs;
for (auto & store2 : substituters) {
if (!store2->isValidPath(storePath)) continue;
auto info2 = store2->queryPathInfo(storePath);
/* Don't import signatures that don't match this
binary. */
if (info.narHash != info2.narHash ||
info.narSize != info2.narSize ||
info.references != info2.references)
continue;
for (auto & sig : info2.sigs)
if (!info.sigs.count(sig))
newSigs.insert(sig);
}
if (!newSigs.empty()) {
store->addSignatures(storePath, newSigs);
added += newSigs.size();
}
done++;
progressBar.updateStatus(showProgress());
};
for (auto & storePath : storePaths)
pool.enqueue(std::bind(doPath, storePath));
pool.process();
progressBar.done();
printMsg(lvlInfo, format("imported %d signatures") % added);
}
};
static RegisterCommand r1(make_ref<CmdCopySigs>());
struct CmdQueryPathSigs : StorePathsCommand
{
CmdQueryPathSigs()
{
}
std::string name() override
{
return "query-path-sigs";
}
std::string description() override
{
return "print store path signatures";
}
void run(ref<Store> store, Paths storePaths) override
{
for (auto & storePath : storePaths) {
auto info = store->queryPathInfo(storePath);
std::cout << storePath << " ";
if (info.ultimate) std::cout << "ultimate ";
for (auto & sig : info.sigs)
std::cout << sig << " ";
std::cout << "\n";
}
}
};
static RegisterCommand r2(make_ref<CmdQueryPathSigs>());
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