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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 : StorePathsCommand
{
std::string srcUri, dstUri;
CheckSigsFlag checkSigs = CheckSigs;
SubstituteFlag substitute = NoSubstitute;
CmdCopy()
: StorePathsCommand(true)
{
mkFlag()
.longName("from")
.labels({"store-uri"})
.description("URI of the source Nix store")
.dest(&srcUri);
mkFlag()
.longName("to")
.labels({"store-uri"})
.description("URI of the destination Nix store")
.dest(&dstUri);
mkFlag()
.longName("no-check-sigs")
.description("do not require that paths are signed by trusted keys")
.set(&checkSigs, NoCheckSigs);
mkFlag()
.longName("substitute-on-destination")
.shortName('s')
.description("whether to try substitutes on the destination store (only supported by SSH)")
.set(&substitute, Substitute);
}
std::string name() override
{
return "copy";
}
std::string description() override
{
return "copy paths between Nix stores";
}
Examples examples() override
{
return {
Example{
"To copy Firefox from the local store to a binary cache in file:///tmp/cache:",
"nix copy --to file:///tmp/cache $(type -p firefox)"
},
Example{
"To copy the entire current NixOS system closure to another machine via SSH:",
"nix copy --to ssh://server /run/current-system"
},
Example{
"To copy a closure from another machine via SSH:",
"nix copy --from ssh://server /nix/store/a6cnl93nk1wxnq84brbbwr6hxw9gp2w9-blender-2.79-rc2"
},
#ifdef ENABLE_S3
Example{
"To copy Hello to an S3 binary cache:",
"nix copy --to s3://my-bucket?region=eu-west-1 nixpkgs.hello"
},
Example{
"To copy Hello to an S3-compatible binary cache:",
"nix copy --to s3://my-bucket?region=eu-west-1&endpoint=example.com nixpkgs.hello"
},
#endif
};
}
ref<Store> createStore() override
{
return srcUri.empty() ? StoreCommand::createStore() : openStore(srcUri);
}
void run(ref<Store> srcStore, Paths storePaths) override
{
if (srcUri.empty() && dstUri.empty())
throw UsageError("you must pass '--from' and/or '--to'");
ref<Store> dstStore = dstUri.empty() ? openStore() : openStore(dstUri);
copyPaths(srcStore, dstStore, PathSet(storePaths.begin(), storePaths.end()),
NoRepair, checkSigs, substitute);
}
};
static RegisterCommand r1(make_ref<CmdCopy>());
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