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#include <atomic>
#include "libmain/shared.hh"
#include "libstore/store-api.hh"
#include "libutil/sync.hh"
#include "libutil/thread-pool.hh"
#include "nix/command.hh"
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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