lix/src/nix/store-gc.cc

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2021-01-10 22:20:02 +00:00
#include "command.hh"
#include "common-args.hh"
#include "shared.hh"
#include "store-api.hh"
using namespace nix;
struct CmdStoreGC : StoreCommand, MixDryRun
{
GCOptions options;
CmdStoreGC()
{
addFlag({
.longName = "max",
.description = "stop after freeing `n` bytes of disk space",
.labels = {"n"},
.handler = {&options.maxFreed}
});
}
std::string description() override
{
return "perform garbage collection on a Nix store";
}
std::string doc() override
{
return
#include "store-gc.md"
;
}
void run(ref<Store> store) override
{
options.action = dryRun ? GCOptions::gcReturnDead : GCOptions::gcDeleteDead;
GCResults results;
PrintFreed freed(options.action == GCOptions::gcDeleteDead, results);
store->collectGarbage(options, results);
}
};
static auto rCmdStoreGC = registerCommand2<CmdStoreGC>({"store", "gc"});