lix/src/nix/copy.cc
2022-01-18 14:08:49 +01:00

65 lines
1.6 KiB
C++

#include "command.hh"
#include "shared.hh"
#include "store-api.hh"
using namespace nix;
struct CmdCopy : virtual CopyCommand, virtual BuiltPathsCommand
{
CheckSigsFlag checkSigs = CheckSigs;
SubstituteFlag substitute = NoSubstitute;
using BuiltPathsCommand::run;
CmdCopy()
: BuiltPathsCommand(true)
{
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; }
void run(ref<Store> srcStore, BuiltPaths && paths) override
{
auto dstStore = getDstStore();
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");