diff options
Diffstat (limited to 'third_party/nix/src/nix/hash.cc')
-rw-r--r-- | third_party/nix/src/nix/hash.cc | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/third_party/nix/src/nix/hash.cc b/third_party/nix/src/nix/hash.cc deleted file mode 100644 index 4fb262f1a8f0..000000000000 --- a/third_party/nix/src/nix/hash.cc +++ /dev/null @@ -1,152 +0,0 @@ -#include "libutil/hash.hh" - -#include "libmain/shared.hh" -#include "nix/command.hh" -#include "nix/legacy.hh" - -namespace nix { -struct CmdHash final : Command { - enum Mode { mFile, mPath }; - Mode mode; - Base base = SRI; - bool truncate = false; - HashType ht = htSHA256; - std::vector<std::string> paths; - - explicit CmdHash(Mode mode) : mode(mode) { - mkFlag(0, "sri", "print hash in SRI format", &base, SRI); - mkFlag(0, "base64", "print hash in base-64", &base, Base64); - mkFlag(0, "base32", "print hash in base-32 (Nix-specific)", &base, Base32); - mkFlag(0, "base16", "print hash in base-16", &base, Base16); - mkFlag().longName("type").mkHashTypeFlag(&ht); - expectArgs("paths", &paths); - } - - std::string name() override { - return mode == mFile ? "hash-file" : "hash-path"; - } - - std::string description() override { - return mode == mFile - ? "print cryptographic hash of a regular file" - : "print cryptographic hash of the NAR serialisation of a path"; - } - - void run() override { - for (const auto& path : paths) { - Hash h = mode == mFile ? hashFile(ht, path) : hashPath(ht, path).first; - if (truncate && h.hashSize > nix::kStorePathHashSize) { - h = compressHash(h, nix::kStorePathHashSize); - } - std::cout << format("%1%\n") % h.to_string(base, base == SRI); - } - } -}; - -static RegisterCommand r1(make_ref<CmdHash>(CmdHash::mFile)); -static RegisterCommand r2(make_ref<CmdHash>(CmdHash::mPath)); - -struct CmdToBase final : Command { - Base base; - HashType ht = htUnknown; - std::vector<std::string> args; - - explicit CmdToBase(Base base) : base(base) { - mkFlag().longName("type").mkHashTypeFlag(&ht); - expectArgs("strings", &args); - } - - std::string name() override { - return base == Base16 ? "to-base16" - : base == Base32 ? "to-base32" - : base == Base64 ? "to-base64" - : "to-sri"; - } - - std::string description() override { - return fmt("convert a hash to %s representation", - base == Base16 ? "base-16" - : base == Base32 ? "base-32" - : base == Base64 ? "base-64" - : "SRI"); - } - - void run() override { - for (const auto& s : args) { - auto hash_ = Hash::deserialize(s, ht); - if (hash_.ok()) { - std::cout << hash_->to_string(base, base == SRI) << "\n"; - } else { - std::cerr << "failed to parse: " << hash_.status().ToString() << "\n"; - // create a matching blank line, for scripting - std::cout << "\n"; - } - } - } -}; - -static RegisterCommand r3(make_ref<CmdToBase>(Base16)); -static RegisterCommand r4(make_ref<CmdToBase>(Base32)); -static RegisterCommand r5(make_ref<CmdToBase>(Base64)); -static RegisterCommand r6(make_ref<CmdToBase>(SRI)); - -/* Legacy nix-hash command. */ -static int compatNixHash(int argc, char** argv) { - HashType ht = htMD5; - bool flat = false; - bool base32 = false; - bool truncate = false; - enum { opHash, opTo32, opTo16 } op = opHash; - std::vector<std::string> ss; - - parseCmdLine(argc, argv, - [&](Strings::iterator& arg, const Strings::iterator& end) { - if (*arg == "--help") { - showManPage("nix-hash"); - } else if (*arg == "--version") { - printVersion("nix-hash"); - } else if (*arg == "--flat") { - flat = true; - } else if (*arg == "--base32") { - base32 = true; - } else if (*arg == "--truncate") { - truncate = true; - } else if (*arg == "--type") { - std::string s = getArg(*arg, arg, end); - ht = parseHashType(s); - if (ht == htUnknown) { - throw UsageError(format("unknown hash type '%1%'") % s); - } - } else if (*arg == "--to-base16") { - op = opTo16; - } else if (*arg == "--to-base32") { - op = opTo32; - } else if (*arg != "" && arg->at(0) == '-') { - return false; - } else { - ss.push_back(*arg); - } - return true; - }); - - if (op == opHash) { - CmdHash cmd(flat ? CmdHash::mFile : CmdHash::mPath); - cmd.ht = ht; - cmd.base = base32 ? Base32 : Base16; - cmd.truncate = truncate; - cmd.paths = ss; - cmd.run(); - } - - else { - CmdToBase cmd(op == opTo32 ? Base32 : Base16); - cmd.args = ss; - cmd.ht = ht; - cmd.run(); - } - - return 0; -} - -static RegisterLegacyCommand s1("nix-hash", compatNixHash); -} // namespace nix |