forked from lix-project/lix
145 lines
4.1 KiB
C++
145 lines
4.1 KiB
C++
#include "command.hh"
|
|
#include "store-api.hh"
|
|
#include "fs-accessor.hh"
|
|
#include "nar-accessor.hh"
|
|
#include "common-args.hh"
|
|
#include "json.hh"
|
|
|
|
using namespace nix;
|
|
|
|
struct MixLs : virtual Args, MixJSON
|
|
{
|
|
std::string path;
|
|
|
|
bool recursive = false;
|
|
bool verbose = false;
|
|
bool showDirectory = false;
|
|
|
|
MixLs()
|
|
{
|
|
mkFlag('R', "recursive", "list subdirectories recursively", &recursive);
|
|
mkFlag('l', "long", "show more file information", &verbose);
|
|
mkFlag('d', "directory", "show directories rather than their contents", &showDirectory);
|
|
}
|
|
|
|
void listText(ref<FSAccessor> accessor)
|
|
{
|
|
std::function<void(const FSAccessor::Stat &, const Path &, const std::string &, bool)> doPath;
|
|
|
|
auto showFile = [&](const Path & curPath, const std::string & relPath) {
|
|
if (verbose) {
|
|
auto st = accessor->stat(curPath);
|
|
std::string tp =
|
|
st.type == FSAccessor::Type::tRegular ?
|
|
(st.isExecutable ? "-r-xr-xr-x" : "-r--r--r--") :
|
|
st.type == FSAccessor::Type::tSymlink ? "lrwxrwxrwx" :
|
|
"dr-xr-xr-x";
|
|
auto line = fmt("%s %20d %s", tp, st.fileSize, relPath);
|
|
if (st.type == FSAccessor::Type::tSymlink)
|
|
line += " -> " + accessor->readLink(curPath);
|
|
logger->stdout(line);
|
|
if (recursive && st.type == FSAccessor::Type::tDirectory)
|
|
doPath(st, curPath, relPath, false);
|
|
} else {
|
|
logger->stdout(relPath);
|
|
if (recursive) {
|
|
auto st = accessor->stat(curPath);
|
|
if (st.type == FSAccessor::Type::tDirectory)
|
|
doPath(st, curPath, relPath, false);
|
|
}
|
|
}
|
|
};
|
|
|
|
doPath = [&](const FSAccessor::Stat & st, const Path & curPath,
|
|
const std::string & relPath, bool showDirectory)
|
|
{
|
|
if (st.type == FSAccessor::Type::tDirectory && !showDirectory) {
|
|
auto names = accessor->readDirectory(curPath);
|
|
for (auto & name : names)
|
|
showFile(curPath + "/" + name, relPath + "/" + name);
|
|
} else
|
|
showFile(curPath, relPath);
|
|
};
|
|
|
|
auto st = accessor->stat(path);
|
|
if (st.type == FSAccessor::Type::tMissing)
|
|
throw Error(format("path '%1%' does not exist") % path);
|
|
doPath(st, path,
|
|
st.type == FSAccessor::Type::tDirectory ? "." : std::string(baseNameOf(path)),
|
|
showDirectory);
|
|
}
|
|
|
|
void list(ref<FSAccessor> accessor)
|
|
{
|
|
if (path == "/") path = "";
|
|
|
|
if (json) {
|
|
JSONPlaceholder jsonRoot(std::cout);
|
|
listNar(jsonRoot, accessor, path, recursive);
|
|
} else
|
|
listText(accessor);
|
|
}
|
|
};
|
|
|
|
struct CmdLsStore : StoreCommand, MixLs
|
|
{
|
|
CmdLsStore()
|
|
{
|
|
expectArg("path", &path);
|
|
}
|
|
|
|
Examples examples() override
|
|
{
|
|
return {
|
|
Example{
|
|
"To list the contents of a store path in a binary cache:",
|
|
"nix ls-store --store https://cache.nixos.org/ -lR /nix/store/0i2jd68mp5g6h2sa5k9c85rb80sn8hi9-hello-2.10"
|
|
},
|
|
};
|
|
}
|
|
|
|
std::string description() override
|
|
{
|
|
return "show information about a store path";
|
|
}
|
|
|
|
void run(ref<Store> store) override
|
|
{
|
|
list(store->getFSAccessor());
|
|
}
|
|
};
|
|
|
|
struct CmdLsNar : Command, MixLs
|
|
{
|
|
Path narPath;
|
|
|
|
CmdLsNar()
|
|
{
|
|
expectArg("nar", &narPath);
|
|
expectArg("path", &path);
|
|
}
|
|
|
|
Examples examples() override
|
|
{
|
|
return {
|
|
Example{
|
|
"To list a specific file in a NAR:",
|
|
"nix ls-nar -l hello.nar /bin/hello"
|
|
},
|
|
};
|
|
}
|
|
|
|
std::string description() override
|
|
{
|
|
return "show information about the contents of a NAR file";
|
|
}
|
|
|
|
void run() override
|
|
{
|
|
list(makeNarAccessor(make_ref<std::string>(readFile(narPath, true))));
|
|
}
|
|
};
|
|
|
|
static auto r1 = registerCommand<CmdLsStore>("ls-store");
|
|
static auto r2 = registerCommand<CmdLsNar>("ls-nar");
|