lix/src/nix/make-content-addressed.cc

56 lines
1.7 KiB
C++

#include "command.hh"
#include "store-api.hh"
#include "make-content-addressed.hh"
#include "common-args.hh"
#include "json.hh"
using namespace nix;
struct CmdMakeContentAddressed : virtual CopyCommand, virtual StorePathsCommand, MixJSON
{
CmdMakeContentAddressed()
{
realiseMode = Realise::Outputs;
}
std::string description() override
{
return "rewrite a path or closure to content-addressed form";
}
std::string doc() override
{
return
#include "make-content-addressed.md"
;
}
void run(ref<Store> srcStore, StorePaths && storePaths) override
{
auto dstStore = dstUri.empty() ? openStore() : openStore(dstUri);
auto remappings = makeContentAddressed(*srcStore, *dstStore,
StorePathSet(storePaths.begin(), storePaths.end()));
if (json) {
JSONObject jsonRoot(std::cout);
JSONObject jsonRewrites(jsonRoot.object("rewrites"));
for (auto & path : storePaths) {
auto i = remappings.find(path);
assert(i != remappings.end());
jsonRewrites.attr(srcStore->printStorePath(path), srcStore->printStorePath(i->second));
}
} else {
for (auto & path : storePaths) {
auto i = remappings.find(path);
assert(i != remappings.end());
notice("rewrote '%s' to '%s'",
srcStore->printStorePath(path),
srcStore->printStorePath(i->second));
}
}
}
};
static auto rCmdMakeContentAddressed = registerCommand2<CmdMakeContentAddressed>({"store", "make-content-addressed"});