mirror of
https://github.com/NixOS/nix.git
synced 2025-12-02 15:11:00 +01:00
0c67777396
For example, instead of doing
#include "nix/store-config.hh"
#include "nix/derived-path.hh"
Now do
#include "nix/store/config.hh"
#include "nix/store/derived-path.hh"
This was originally planned in the issue, and also recent requested by
Eelco.
Most of the change is purely mechanical. There is just one small
additional issue. See how, in the example above, we took this
opportunity to also turn `<comp>-config.hh` into `<comp>/config.hh`.
Well, there was already a `nix/util/config.{cc,hh}`. Even though there
is not a public configuration header for libutil (which also would be
called `nix/util/config.{cc,hh}`) that's still confusing, To avoid any
such confusion, we renamed that to `nix/util/configuration.{cc,hh}`.
Finally, note that the libflake headers already did this, so we didn't
need to do anything to them. We wouldn't want to mistakenly get
`nix/flake/flake/flake.hh`!
Progress on #7876
(cherry picked from commit cc24766fa6)
118 lines
3.4 KiB
C++
118 lines
3.4 KiB
C++
#include "nix/util/archive.hh"
|
|
#include "nix/util/posix-source-accessor.hh"
|
|
#include "nix/store/store-api.hh"
|
|
#include "nix/store/local-fs-store.hh"
|
|
#include "nix/store/globals.hh"
|
|
#include "nix/util/compression.hh"
|
|
#include "nix/store/derivations.hh"
|
|
|
|
namespace nix {
|
|
|
|
LocalFSStoreConfig::LocalFSStoreConfig(PathView rootDir, const Params & params)
|
|
: StoreConfig(params)
|
|
// Default `?root` from `rootDir` if non set
|
|
// FIXME don't duplicate description once we don't have root setting
|
|
, rootDir{
|
|
this,
|
|
!rootDir.empty() && params.count("root") == 0
|
|
? (std::optional<Path>{rootDir})
|
|
: std::nullopt,
|
|
"root",
|
|
"Directory prefixed to all other paths."}
|
|
{
|
|
}
|
|
|
|
LocalFSStore::LocalFSStore(const Params & params)
|
|
: Store(params)
|
|
{
|
|
}
|
|
|
|
struct LocalStoreAccessor : PosixSourceAccessor
|
|
{
|
|
ref<LocalFSStore> store;
|
|
bool requireValidPath;
|
|
|
|
LocalStoreAccessor(ref<LocalFSStore> store, bool requireValidPath)
|
|
: store(store)
|
|
, requireValidPath(requireValidPath)
|
|
{ }
|
|
|
|
CanonPath toRealPath(const CanonPath & path)
|
|
{
|
|
auto [storePath, rest] = store->toStorePath(path.abs());
|
|
if (requireValidPath && !store->isValidPath(storePath))
|
|
throw InvalidPath("path '%1%' is not a valid store path", store->printStorePath(storePath));
|
|
return CanonPath(store->getRealStoreDir()) / storePath.to_string() / CanonPath(rest);
|
|
}
|
|
|
|
std::optional<Stat> maybeLstat(const CanonPath & path) override
|
|
{
|
|
/* Handle the case where `path` is (a parent of) the store. */
|
|
if (isDirOrInDir(store->storeDir, path.abs()))
|
|
return Stat{ .type = tDirectory };
|
|
|
|
return PosixSourceAccessor::maybeLstat(toRealPath(path));
|
|
}
|
|
|
|
DirEntries readDirectory(const CanonPath & path) override
|
|
{
|
|
return PosixSourceAccessor::readDirectory(toRealPath(path));
|
|
}
|
|
|
|
void readFile(
|
|
const CanonPath & path,
|
|
Sink & sink,
|
|
std::function<void(uint64_t)> sizeCallback) override
|
|
{
|
|
return PosixSourceAccessor::readFile(toRealPath(path), sink, sizeCallback);
|
|
}
|
|
|
|
std::string readLink(const CanonPath & path) override
|
|
{
|
|
return PosixSourceAccessor::readLink(toRealPath(path));
|
|
}
|
|
};
|
|
|
|
ref<SourceAccessor> LocalFSStore::getFSAccessor(bool requireValidPath)
|
|
{
|
|
return make_ref<LocalStoreAccessor>(ref<LocalFSStore>(
|
|
std::dynamic_pointer_cast<LocalFSStore>(shared_from_this())),
|
|
requireValidPath);
|
|
}
|
|
|
|
void LocalFSStore::narFromPath(const StorePath & path, Sink & sink)
|
|
{
|
|
if (!isValidPath(path))
|
|
throw Error("path '%s' is not valid", printStorePath(path));
|
|
dumpPath(getRealStoreDir() + std::string(printStorePath(path), storeDir.size()), sink);
|
|
}
|
|
|
|
const std::string LocalFSStore::drvsLogDir = "drvs";
|
|
|
|
std::optional<std::string> LocalFSStore::getBuildLogExact(const StorePath & path)
|
|
{
|
|
auto baseName = path.to_string();
|
|
|
|
for (int j = 0; j < 2; j++) {
|
|
|
|
Path logPath =
|
|
j == 0
|
|
? fmt("%s/%s/%s/%s", logDir, drvsLogDir, baseName.substr(0, 2), baseName.substr(2))
|
|
: fmt("%s/%s/%s", logDir, drvsLogDir, baseName);
|
|
Path logBz2Path = logPath + ".bz2";
|
|
|
|
if (pathExists(logPath))
|
|
return readFile(logPath);
|
|
|
|
else if (pathExists(logBz2Path)) {
|
|
try {
|
|
return decompress("bzip2", readFile(logBz2Path));
|
|
} catch (Error &) { }
|
|
}
|
|
|
|
}
|
|
|
|
return std::nullopt;
|
|
}
|
|
|
|
}
|