Add 'nix store prefetch-{file,tarball}'

These replace nix-prefetch-url and nix-prefetch-url --unpack,
respectively.

1 files changed, 0 insertions, 232 deletions

diff --git a/src/nix-prefetch-url/nix-prefetch-url.cc b/src/nix-prefetch-url/nix-prefetch-url.cc
deleted file mode 100644
index 3bdee55a7..000000000
--- a/src/nix-prefetch-url/nix-prefetch-url.cc
+++ /dev/null
@@ -1,232 +0,0 @@
-#include "hash.hh"
-#include "shared.hh"
-#include "filetransfer.hh"
-#include "store-api.hh"
-#include "eval.hh"
-#include "eval-inline.hh"
-#include "common-eval-args.hh"
-#include "attr-path.hh"
-#include "finally.hh"
-#include "../nix/legacy.hh"
-#include "progress-bar.hh"
-#include "tarfile.hh"
-
-#include <iostream>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-using namespace nix;
-
-
-/* If ‘uri’ starts with ‘mirror://’, then resolve it using the list of
-   mirrors defined in Nixpkgs. */
-string resolveMirrorUri(EvalState & state, string uri)
-{
-    if (string(uri, 0, 9) != "mirror://") return uri;
-
-    string s(uri, 9);
-    auto p = s.find('/');
-    if (p == string::npos) throw Error("invalid mirror URI");
-    string mirrorName(s, 0, p);
-
-    Value vMirrors;
-    state.eval(state.parseExprFromString("import <nixpkgs/pkgs/build-support/fetchurl/mirrors.nix>", "."), vMirrors);
-    state.forceAttrs(vMirrors);
-
-    auto mirrorList = vMirrors.attrs->find(state.symbols.create(mirrorName));
-    if (mirrorList == vMirrors.attrs->end())
-        throw Error("unknown mirror name '%1%'", mirrorName);
-    state.forceList(*mirrorList->value);
-
-    if (mirrorList->value->listSize() < 1)
-        throw Error("mirror URI '%1%' did not expand to anything", uri);
-
-    string mirror = state.forceString(*mirrorList->value->listElems()[0]);
-    return mirror + (hasSuffix(mirror, "/") ? "" : "/") + string(s, p + 1);
-}
-
-
-static int main_nix_prefetch_url(int argc, char * * argv)
-{
-    {
-        HashType ht = htSHA256;
-        std::vector<string> args;
-        bool printPath = getEnv("PRINT_PATH") == "1";
-        bool fromExpr = false;
-        string attrPath;
-        bool unpack = false;
-        bool executable = false;
-        string name;
-
-        struct MyArgs : LegacyArgs, MixEvalArgs
-        {
-            using LegacyArgs::LegacyArgs;
-        };
-
-        MyArgs myArgs(std::string(baseNameOf(argv[0])), [&](Strings::iterator & arg, const Strings::iterator & end) {
-            if (*arg == "--help")
-                showManPage("nix-prefetch-url");
-            else if (*arg == "--version")
-                printVersion("nix-prefetch-url");
-            else if (*arg == "--type") {
-                string s = getArg(*arg, arg, end);
-                ht = parseHashType(s);
-            }
-            else if (*arg == "--print-path")
-                printPath = true;
-            else if (*arg == "--attr" || *arg == "-A") {
-                fromExpr = true;
-                attrPath = getArg(*arg, arg, end);
-            }
-            else if (*arg == "--unpack")
-                unpack = true;
-            else if (*arg == "--executable")
-                executable = true;
-            else if (*arg == "--name")
-                name = getArg(*arg, arg, end);
-            else if (*arg != "" && arg->at(0) == '-')
-                return false;
-            else
-                args.push_back(*arg);
-            return true;
-        });
-
-        myArgs.parseCmdline(argvToStrings(argc, argv));
-
-        initPlugins();
-
-        if (args.size() > 2)
-            throw UsageError("too many arguments");
-
-        Finally f([]() { stopProgressBar(); });
-
-        if (isatty(STDERR_FILENO))
-          startProgressBar();
-
-        auto store = openStore();
-        auto state = std::make_unique<EvalState>(myArgs.searchPath, store);
-
-        Bindings & autoArgs = *myArgs.getAutoArgs(*state);
-
-        /* If -A is given, get the URI from the specified Nix
-           expression. */
-        string uri;
-        if (!fromExpr) {
-            if (args.empty())
-                throw UsageError("you must specify a URI");
-            uri = args[0];
-        } else {
-            Path path = resolveExprPath(lookupFileArg(*state, args.empty() ? "." : args[0]));
-            Value vRoot;
-            state->evalFile(path, vRoot);
-            Value & v(*findAlongAttrPath(*state, attrPath, autoArgs, vRoot).first);
-            state->forceAttrs(v);
-
-            /* Extract the URI. */
-            auto attr = v.attrs->find(state->symbols.create("urls"));
-            if (attr == v.attrs->end())
-                throw Error("attribute set does not contain a 'urls' attribute");
-            state->forceList(*attr->value);
-            if (attr->value->listSize() < 1)
-                throw Error("'urls' list is empty");
-            uri = state->forceString(*attr->value->listElems()[0]);
-
-            /* Extract the hash mode. */
-            attr = v.attrs->find(state->symbols.create("outputHashMode"));
-            if (attr == v.attrs->end())
-                printInfo("warning: this does not look like a fetchurl call");
-            else
-                unpack = state->forceString(*attr->value) == "recursive";
-
-            /* Extract the name. */
-            if (name.empty()) {
-                attr = v.attrs->find(state->symbols.create("name"));
-                if (attr != v.attrs->end())
-                    name = state->forceString(*attr->value);
-            }
-        }
-
-        /* Figure out a name in the Nix store. */
-        if (name.empty())
-            name = baseNameOf(uri);
-        if (name.empty())
-            throw Error("cannot figure out file name for '%1%'", uri);
-
-        /* If an expected hash is given, the file may already exist in
-           the store. */
-        std::optional<Hash> expectedHash;
-        Hash hash(ht);
-        std::optional<StorePath> storePath;
-        if (args.size() == 2) {
-            expectedHash = Hash::parseAny(args[1], ht);
-            const auto recursive = unpack ? FileIngestionMethod::Recursive : FileIngestionMethod::Flat;
-            storePath = store->makeFixedOutputPath(recursive, *expectedHash, name);
-            if (store->isValidPath(*storePath))
-                hash = *expectedHash;
-            else
-                storePath.reset();
-        }
-
-        if (!storePath) {
-
-            auto actualUri = resolveMirrorUri(*state, uri);
-
-            AutoDelete tmpDir(createTempDir(), true);
-            Path tmpFile = (Path) tmpDir + "/tmp";
-
-            /* Download the file. */
-            {
-                auto mode = 0600;
-                if (executable)
-                    mode = 0700;
-
-                AutoCloseFD fd = open(tmpFile.c_str(), O_WRONLY | O_CREAT | O_EXCL, mode);
-                if (!fd) throw SysError("creating temporary file '%s'", tmpFile);
-
-                FdSink sink(fd.get());
-
-                FileTransferRequest req(actualUri);
-                req.decompress = false;
-                getFileTransfer()->download(std::move(req), sink);
-            }
-
-            /* Optionally unpack the file. */
-            if (unpack) {
-                printInfo("unpacking...");
-                Path unpacked = (Path) tmpDir + "/unpacked";
-                createDirs(unpacked);
-                unpackTarfile(tmpFile, unpacked);
-
-                /* If the archive unpacks to a single file/directory, then use
-                   that as the top-level. */
-                auto entries = readDirectory(unpacked);
-                if (entries.size() == 1)
-                    tmpFile = unpacked + "/" + entries[0].name;
-                else
-                    tmpFile = unpacked;
-            }
-
-            const auto method = unpack || executable ? FileIngestionMethod::Recursive : FileIngestionMethod::Flat;
-
-            auto info = store->addToStoreSlow(name, tmpFile, method, ht, expectedHash);
-            storePath = info.path;
-            assert(info.ca);
-            hash = getContentAddressHash(*info.ca);
-        }
-
-        stopProgressBar();
-
-        if (!printPath)
-            printInfo("path is '%s'", store->printStorePath(*storePath));
-
-        std::cout << printHash16or32(hash) << std::endl;
-        if (printPath)
-            std::cout << store->printStorePath(*storePath) << std::endl;
-
-        return 0;
-    }
-}
-
-static RegisterLegacyCommand r_nix_prefetch_url("nix-prefetch-url", main_nix_prefetch_url);