lix/src/nix/dump-path.cc
2020-12-03 23:22:22 +01:00

71 lines
1.5 KiB
C++

#include "command.hh"
#include "store-api.hh"
#include "archive.hh"
using namespace nix;
struct CmdDumpPath : StorePathCommand
{
std::string description() override
{
return "serialise a store path to stdout in NAR format";
}
Examples examples() override
{
return {
Example{
"To get a NAR from the binary cache https://cache.nixos.org/:",
"nix store dump-path --store https://cache.nixos.org/ /nix/store/7crrmih8c52r8fbnqb933dxrsp44md93-glibc-2.25"
},
};
}
void run(ref<Store> store, const StorePath & storePath) override
{
FdSink sink(STDOUT_FILENO);
store->narFromPath(storePath, sink);
sink.flush();
}
};
static auto rDumpPath = registerCommand2<CmdDumpPath>({"store", "dump-path"});
struct CmdDumpPath2 : Command
{
Path path;
CmdDumpPath2()
{
expectArgs({
.label = "path",
.handler = {&path},
.completer = completePath
});
}
std::string description() override
{
return "serialise a path to stdout in NAR format";
}
Examples examples() override
{
return {
Example{
"To serialise directory 'foo' as a NAR:",
"nix nar dump-path ./foo"
},
};
}
void run() override
{
FdSink sink(STDOUT_FILENO);
dumpPath(path, sink);
sink.flush();
}
};
static auto rDumpPath2 = registerCommand2<CmdDumpPath2>({"nar", "dump-path"});