diff options
Diffstat (limited to 'third_party/nix/src/nix/path-info.cc')
-rw-r--r-- | third_party/nix/src/nix/path-info.cc | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/third_party/nix/src/nix/path-info.cc b/third_party/nix/src/nix/path-info.cc deleted file mode 100644 index fcf060d50d08..000000000000 --- a/third_party/nix/src/nix/path-info.cc +++ /dev/null @@ -1,133 +0,0 @@ -#include <algorithm> -#include <array> - -#include "libmain/common-args.hh" -#include "libmain/shared.hh" -#include "libstore/store-api.hh" -#include "libutil/json.hh" -#include "nix/command.hh" - -namespace nix { -struct CmdPathInfo final : StorePathsCommand, MixJSON { - bool showSize = false; - bool showClosureSize = false; - bool humanReadable = false; - bool showSigs = false; - - CmdPathInfo() { - mkFlag('s', "size", "print size of the NAR dump of each path", &showSize); - mkFlag('S', "closure-size", - "print sum size of the NAR dumps of the closure of each path", - &showClosureSize); - mkFlag('h', "human-readable", - "with -s and -S, print sizes like 1K 234M 5.67G etc.", - &humanReadable); - mkFlag(0, "sigs", "show signatures", &showSigs); - } - - std::string name() override { return "path-info"; } - - std::string description() override { - return "query information about store paths"; - } - - Examples examples() override { - return { - Example{"To show the closure sizes of every path in the current NixOS " - "system closure, sorted by size:", - "nix path-info -rS /run/current-system | sort -nk2"}, - Example{"To show a package's closure size and all its dependencies " - "with human readable sizes:", - "nix path-info -rsSh nixpkgs.rust"}, - Example{"To check the existence of a path in a binary cache:", - "nix path-info -r /nix/store/7qvk5c91...-geeqie-1.1 --store " - "https://cache.nixos.org/"}, - Example{"To print the 10 most recently added paths (using --json and " - "the jq(1) command):", - "nix path-info --json --all | jq -r " - "'sort_by(.registrationTime)[-11:-1][].path'"}, - Example{"To show the size of the entire Nix store:", - "nix path-info --json --all | jq 'map(.narSize) | add'"}, - Example{"To show every path whose closure is bigger than 1 GB, sorted " - "by closure size:", - "nix path-info --json --all -S | jq 'map(select(.closureSize > " - "1e9)) | sort_by(.closureSize) | map([.path, .closureSize])'"}, - }; - } - - void printSize(unsigned long long value) { - if (!humanReadable) { - std::cout << fmt("\t%11d", value); - return; - } - - static const std::array<char, 9> idents{ - {' ', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'}}; - size_t power = 0; - double res = value; - while (res > 1024 && power < idents.size()) { - ++power; - res /= 1024; - } - std::cout << fmt("\t%6.1f%c", res, idents.at(power)); - } - - void run(ref<Store> store, Paths storePaths) override { - size_t pathLen = 0; - for (auto& storePath : storePaths) { - pathLen = std::max(pathLen, storePath.size()); - } - - if (json) { - JSONPlaceholder jsonRoot(std::cout); - store->pathInfoToJSON(jsonRoot, - // FIXME: preserve order? - PathSet(storePaths.begin(), storePaths.end()), true, - showClosureSize, AllowInvalid); - } - - else { - for (auto storePath : storePaths) { - auto info = store->queryPathInfo(storePath); - storePath = info->path; // FIXME: screws up padding - - std::cout << storePath; - - if (showSize || showClosureSize || showSigs) { - std::cout << std::string( - std::max(0, static_cast<int>(pathLen) - - static_cast<int>(storePath.size())), - ' '); - } - - if (showSize) { - printSize(info->narSize); - } - - if (showClosureSize) { - printSize(store->getClosureSize(storePath).first); - } - - if (showSigs) { - std::cout << '\t'; - Strings ss; - if (info->ultimate) { - ss.push_back("ultimate"); - } - if (!info->ca.empty()) { - ss.push_back("ca:" + info->ca); - } - for (auto& sig : info->sigs) { - ss.push_back(sig); - } - std::cout << concatStringsSep(" ", ss); - } - - std::cout << std::endl; - } - } - } -}; -} // namespace nix - -static nix::RegisterCommand r1(nix::make_ref<nix::CmdPathInfo>()); |