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Diffstat (limited to 'third_party/nix/src/libstore/local-fs-store.cc')
-rw-r--r--third_party/nix/src/libstore/local-fs-store.cc166
1 files changed, 74 insertions, 92 deletions
diff --git a/third_party/nix/src/libstore/local-fs-store.cc b/third_party/nix/src/libstore/local-fs-store.cc
index 642e4070d459..0361dbd9774d 100644
--- a/third_party/nix/src/libstore/local-fs-store.cc
+++ b/third_party/nix/src/libstore/local-fs-store.cc
@@ -1,131 +1,113 @@
 #include "archive.hh"
-#include "fs-accessor.hh"
-#include "store-api.hh"
-#include "globals.hh"
 #include "compression.hh"
 #include "derivations.hh"
+#include "fs-accessor.hh"
+#include "globals.hh"
+#include "store-api.hh"
 
 namespace nix {
 
-LocalFSStore::LocalFSStore(const Params & params)
-    : Store(params)
-{
-}
+LocalFSStore::LocalFSStore(const Params& params) : Store(params) {}
 
-struct LocalStoreAccessor : public FSAccessor
-{
-    ref<LocalFSStore> store;
+struct LocalStoreAccessor : public FSAccessor {
+  ref<LocalFSStore> store;
 
-    LocalStoreAccessor(ref<LocalFSStore> store) : store(store) { }
+  LocalStoreAccessor(ref<LocalFSStore> store) : store(store) {}
 
-    Path toRealPath(const Path & path)
-    {
-        Path storePath = store->toStorePath(path);
-        if (!store->isValidPath(storePath))
-            throw InvalidPath(format("path '%1%' is not a valid store path") % storePath);
-        return store->getRealStoreDir() + std::string(path, store->storeDir.size());
-    }
+  Path toRealPath(const Path& path) {
+    Path storePath = store->toStorePath(path);
+    if (!store->isValidPath(storePath))
+      throw InvalidPath(format("path '%1%' is not a valid store path") %
+                        storePath);
+    return store->getRealStoreDir() + std::string(path, store->storeDir.size());
+  }
 
-    FSAccessor::Stat stat(const Path & path) override
-    {
-        auto realPath = toRealPath(path);
+  FSAccessor::Stat stat(const Path& path) override {
+    auto realPath = toRealPath(path);
 
-        struct stat st;
-        if (lstat(realPath.c_str(), &st)) {
-            if (errno == ENOENT || errno == ENOTDIR) return {Type::tMissing, 0, false};
-            throw SysError(format("getting status of '%1%'") % path);
-        }
+    struct stat st;
+    if (lstat(realPath.c_str(), &st)) {
+      if (errno == ENOENT || errno == ENOTDIR)
+        return {Type::tMissing, 0, false};
+      throw SysError(format("getting status of '%1%'") % path);
+    }
 
-        if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode) && !S_ISLNK(st.st_mode))
-            throw Error(format("file '%1%' has unsupported type") % path);
+    if (!S_ISREG(st.st_mode) && !S_ISDIR(st.st_mode) && !S_ISLNK(st.st_mode))
+      throw Error(format("file '%1%' has unsupported type") % path);
 
-        return {
-            S_ISREG(st.st_mode) ? Type::tRegular :
-            S_ISLNK(st.st_mode) ? Type::tSymlink :
-            Type::tDirectory,
-            S_ISREG(st.st_mode) ? (uint64_t) st.st_size : 0,
+    return {S_ISREG(st.st_mode)
+                ? Type::tRegular
+                : S_ISLNK(st.st_mode) ? Type::tSymlink : Type::tDirectory,
+            S_ISREG(st.st_mode) ? (uint64_t)st.st_size : 0,
             S_ISREG(st.st_mode) && st.st_mode & S_IXUSR};
-    }
+  }
 
-    StringSet readDirectory(const Path & path) override
-    {
-        auto realPath = toRealPath(path);
+  StringSet readDirectory(const Path& path) override {
+    auto realPath = toRealPath(path);
 
-        auto entries = nix::readDirectory(realPath);
+    auto entries = nix::readDirectory(realPath);
 
-        StringSet res;
-        for (auto & entry : entries)
-            res.insert(entry.name);
+    StringSet res;
+    for (auto& entry : entries) res.insert(entry.name);
 
-        return res;
-    }
+    return res;
+  }
 
-    std::string readFile(const Path & path) override
-    {
-        return nix::readFile(toRealPath(path));
-    }
+  std::string readFile(const Path& path) override {
+    return nix::readFile(toRealPath(path));
+  }
 
-    std::string readLink(const Path & path) override
-    {
-        return nix::readLink(toRealPath(path));
-    }
+  std::string readLink(const Path& path) override {
+    return nix::readLink(toRealPath(path));
+  }
 };
 
-ref<FSAccessor> LocalFSStore::getFSAccessor()
-{
-    return make_ref<LocalStoreAccessor>(ref<LocalFSStore>(
-            std::dynamic_pointer_cast<LocalFSStore>(shared_from_this())));
+ref<FSAccessor> LocalFSStore::getFSAccessor() {
+  return make_ref<LocalStoreAccessor>(ref<LocalFSStore>(
+      std::dynamic_pointer_cast<LocalFSStore>(shared_from_this())));
 }
 
-void LocalFSStore::narFromPath(const Path & path, Sink & sink)
-{
-    if (!isValidPath(path))
-        throw Error(format("path '%s' is not valid") % path);
-    dumpPath(getRealStoreDir() + std::string(path, storeDir.size()), sink);
+void LocalFSStore::narFromPath(const Path& path, Sink& sink) {
+  if (!isValidPath(path)) throw Error(format("path '%s' is not valid") % path);
+  dumpPath(getRealStoreDir() + std::string(path, storeDir.size()), sink);
 }
 
 const string LocalFSStore::drvsLogDir = "drvs";
 
+std::shared_ptr<std::string> LocalFSStore::getBuildLog(const Path& path_) {
+  auto path(path_);
 
+  assertStorePath(path);
 
-std::shared_ptr<std::string> LocalFSStore::getBuildLog(const Path & path_)
-{
-    auto path(path_);
-
-    assertStorePath(path);
-
-
-    if (!isDerivation(path)) {
-        try {
-            path = queryPathInfo(path)->deriver;
-        } catch (InvalidPath &) {
-            return nullptr;
-        }
-        if (path == "") return nullptr;
+  if (!isDerivation(path)) {
+    try {
+      path = queryPathInfo(path)->deriver;
+    } catch (InvalidPath&) {
+      return nullptr;
     }
+    if (path == "") return nullptr;
+  }
 
-    string baseName = baseNameOf(path);
-
-    for (int j = 0; j < 2; j++) {
+  string baseName = baseNameOf(path);
 
-        Path logPath =
-            j == 0
-            ? fmt("%s/%s/%s/%s", logDir, drvsLogDir, string(baseName, 0, 2), string(baseName, 2))
-            : fmt("%s/%s/%s", logDir, drvsLogDir, baseName);
-        Path logBz2Path = logPath + ".bz2";
+  for (int j = 0; j < 2; j++) {
+    Path logPath = j == 0 ? fmt("%s/%s/%s/%s", logDir, drvsLogDir,
+                                string(baseName, 0, 2), string(baseName, 2))
+                          : fmt("%s/%s/%s", logDir, drvsLogDir, baseName);
+    Path logBz2Path = logPath + ".bz2";
 
-        if (pathExists(logPath))
-            return std::make_shared<std::string>(readFile(logPath));
-
-        else if (pathExists(logBz2Path)) {
-            try {
-                return decompress("bzip2", readFile(logBz2Path));
-            } catch (Error &) { }
-        }
+    if (pathExists(logPath))
+      return std::make_shared<std::string>(readFile(logPath));
 
+    else if (pathExists(logBz2Path)) {
+      try {
+        return decompress("bzip2", readFile(logBz2Path));
+      } catch (Error&) {
+      }
     }
+  }
 
-    return nullptr;
+  return nullptr;
 }
 
-}
+}  // namespace nix