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#include "command.hh"
#include "shared.hh"
#include "store-api.hh"
#include "sync.hh"
#include "thread-pool.hh"
#include <atomic>
using namespace nix;
struct CmdCopy : BuiltPathsCommand
{
std::string srcUri, dstUri;
CheckSigsFlag checkSigs = CheckSigs;
SubstituteFlag substitute = NoSubstitute;
using BuiltPathsCommand::run;
CmdCopy()
: BuiltPathsCommand(true)
{
addFlag({
.longName = "from",
.description = "URL of the source Nix store.",
.labels = {"store-uri"},
.handler = {&srcUri},
});
addFlag({
.longName = "to",
.description = "URL of the destination Nix store.",
.labels = {"store-uri"},
.handler = {&dstUri},
});
addFlag({
.longName = "no-check-sigs",
.description = "Do not require that paths are signed by trusted keys.",
.handler = {&checkSigs, NoCheckSigs},
});
addFlag({
.longName = "substitute-on-destination",
.shortName = 's',
.description = "Whether to try substitutes on the destination store (only supported by SSH stores).",
.handler = {&substitute, Substitute},
});
realiseMode = Realise::Outputs;
}
std::string description() override
{
return "copy paths between Nix stores";
}
std::string doc() override
{
return
#include "copy.md"
;
}
Category category() override { return catSecondary; }
ref<Store> createStore() override
{
return srcUri.empty() ? StoreCommand::createStore() : openStore(srcUri);
}
void run(ref<Store> store) override
{
if (srcUri.empty() && dstUri.empty())
throw UsageError("you must pass '--from' and/or '--to'");
BuiltPathsCommand::run(store);
}
void run(ref<Store> srcStore, BuiltPaths && paths) override
{
ref<Store> dstStore = dstUri.empty() ? openStore() : openStore(dstUri);
RealisedPath::Set stuffToCopy;
for (auto & builtPath : paths) {
auto theseRealisations = builtPath.toRealisedPaths(*srcStore);
stuffToCopy.insert(theseRealisations.begin(), theseRealisations.end());
}
copyPaths(
*srcStore, *dstStore, stuffToCopy, NoRepair, checkSigs, substitute);
}
};
static auto rCmdCopy = registerCommand<CmdCopy>("copy");
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