2016-02-25 16:57:00 +00:00
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#include "command.hh"
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#include "store-api.hh"
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#include "fs-accessor.hh"
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#include "nar-accessor.hh"
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2017-11-14 13:23:53 +00:00
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#include "common-args.hh"
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#include "json.hh"
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2016-02-25 16:57:00 +00:00
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using namespace nix;
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2017-11-14 13:23:53 +00:00
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struct MixLs : virtual Args, MixJSON
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2016-02-25 16:57:00 +00:00
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{
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std::string path;
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bool recursive = false;
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bool verbose = false;
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bool showDirectory = false;
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MixLs()
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{
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2021-01-13 13:18:04 +00:00
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mkFlag('R', "recursive", "List subdirectories recursively.", &recursive);
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mkFlag('l', "long", "Show detailed file information.", &verbose);
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mkFlag('d', "directory", "Show directories rather than their contents.", &showDirectory);
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2016-02-25 16:57:00 +00:00
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}
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2017-11-14 13:23:53 +00:00
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void listText(ref<FSAccessor> accessor)
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2016-02-25 16:57:00 +00:00
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{
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std::function<void(const FSAccessor::Stat &, const Path &, const std::string &, bool)> doPath;
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auto showFile = [&](const Path & curPath, const std::string & relPath) {
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if (verbose) {
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auto st = accessor->stat(curPath);
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std::string tp =
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st.type == FSAccessor::Type::tRegular ?
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(st.isExecutable ? "-r-xr-xr-x" : "-r--r--r--") :
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st.type == FSAccessor::Type::tSymlink ? "lrwxrwxrwx" :
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"dr-xr-xr-x";
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2020-04-16 11:46:37 +00:00
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auto line = fmt("%s %20d %s", tp, st.fileSize, relPath);
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2016-02-25 16:57:00 +00:00
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if (st.type == FSAccessor::Type::tSymlink)
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2020-04-16 11:46:37 +00:00
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line += " -> " + accessor->readLink(curPath);
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2020-09-25 15:30:04 +00:00
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logger->cout(line);
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2016-02-25 16:57:00 +00:00
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if (recursive && st.type == FSAccessor::Type::tDirectory)
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doPath(st, curPath, relPath, false);
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} else {
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2020-09-25 15:30:04 +00:00
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logger->cout(relPath);
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2016-02-25 16:57:00 +00:00
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if (recursive) {
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auto st = accessor->stat(curPath);
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if (st.type == FSAccessor::Type::tDirectory)
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doPath(st, curPath, relPath, false);
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}
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}
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};
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2017-09-10 20:36:32 +00:00
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doPath = [&](const FSAccessor::Stat & st, const Path & curPath,
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2016-02-25 16:57:00 +00:00
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const std::string & relPath, bool showDirectory)
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{
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if (st.type == FSAccessor::Type::tDirectory && !showDirectory) {
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auto names = accessor->readDirectory(curPath);
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for (auto & name : names)
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showFile(curPath + "/" + name, relPath + "/" + name);
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} else
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showFile(curPath, relPath);
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};
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auto st = accessor->stat(path);
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if (st.type == FSAccessor::Type::tMissing)
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2020-04-21 23:07:07 +00:00
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throw Error("path '%1%' does not exist", path);
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2016-02-25 16:57:00 +00:00
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doPath(st, path,
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2019-12-05 18:11:09 +00:00
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st.type == FSAccessor::Type::tDirectory ? "." : std::string(baseNameOf(path)),
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2016-02-25 16:57:00 +00:00
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showDirectory);
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}
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2017-11-14 13:23:53 +00:00
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void list(ref<FSAccessor> accessor)
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{
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if (path == "/") path = "";
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if (json) {
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2017-11-14 13:27:01 +00:00
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JSONPlaceholder jsonRoot(std::cout);
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2020-12-09 18:21:48 +00:00
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if (showDirectory)
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throw UsageError("'--directory' is useless with '--json'");
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2017-11-14 13:31:28 +00:00
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listNar(jsonRoot, accessor, path, recursive);
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2017-11-14 13:23:53 +00:00
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} else
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listText(accessor);
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}
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2016-02-25 16:57:00 +00:00
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};
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struct CmdLsStore : StoreCommand, MixLs
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{
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CmdLsStore()
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{
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2020-05-11 13:46:18 +00:00
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expectArgs({
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.label = "path",
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.handler = {&path},
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.completer = completePath
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});
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2016-02-25 16:57:00 +00:00
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}
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2020-12-09 19:06:19 +00:00
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std::string description() override
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2018-02-19 19:38:06 +00:00
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{
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2020-12-09 19:06:19 +00:00
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return "show information about a path in the Nix store";
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2018-02-19 19:38:06 +00:00
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}
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2020-12-09 19:06:19 +00:00
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std::string doc() override
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2016-02-25 16:57:00 +00:00
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{
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2020-12-09 19:06:19 +00:00
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return
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#include "store-ls.md"
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;
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2016-02-25 16:57:00 +00:00
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}
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void run(ref<Store> store) override
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{
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list(store->getFSAccessor());
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}
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};
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struct CmdLsNar : Command, MixLs
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{
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Path narPath;
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CmdLsNar()
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{
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2020-05-11 13:46:18 +00:00
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expectArgs({
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.label = "nar",
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.handler = {&narPath},
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.completer = completePath
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});
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2016-02-25 16:57:00 +00:00
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expectArg("path", &path);
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}
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2020-12-09 18:21:48 +00:00
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std::string doc() override
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2018-02-19 19:38:06 +00:00
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{
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2020-12-09 18:21:48 +00:00
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return
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#include "nar-ls.md"
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;
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2018-02-19 19:38:06 +00:00
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}
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2016-02-25 16:57:00 +00:00
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std::string description() override
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{
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2020-05-05 13:18:23 +00:00
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return "show information about a path inside a NAR file";
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2016-02-25 16:57:00 +00:00
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}
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void run() override
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{
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2020-04-29 16:42:19 +00:00
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list(makeNarAccessor(make_ref<std::string>(readFile(narPath))));
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2016-02-25 16:57:00 +00:00
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}
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};
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2020-07-24 18:42:24 +00:00
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static auto rCmdLsStore = registerCommand2<CmdLsStore>({"store", "ls"});
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static auto rCmdLsNar = registerCommand2<CmdLsNar>({"nar", "ls"});
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