96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
#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 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, StorePaths 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, storePathsToSet(storePaths),
|
|
NoRepair, checkSigs, substitute);
|
|
}
|
|
};
|
|
|
|
static auto r1 = registerCommand<CmdCopy>("copy");
|