1 files changed, 0 insertions, 167 deletions
diff --git a/src/repo_cache.cc b/src/repo_cache.cc
deleted file mode 100644
index d7f5f9ad..00000000
--- a/src/repo_cache.cc
+++ /dev/null
@@ -1,167 +0,0 @@
-// Copyright 2019 Roman Perepelitsa.
-//
-// This file is part of GitStatus.
-//
-// GitStatus is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// GitStatus is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with GitStatus. If not, see <https://www.gnu.org/licenses/>.
-
-#include "repo_cache.h"
-
-#include <cstring>
-
-#include "check.h"
-#include "git.h"
-#include "print.h"
-#include "scope_guard.h"
-#include "string_view.h"
-
-namespace gitstatus {
-
-namespace {
-
-void GitDirs(const char* dir, bool from_dotgit, std::string& gitdir, std::string& workdir) {
-  git_buf gitdir_buf = {};
-  git_buf workdir_buf = {};
-  ON_SCOPE_EXIT(&) {
-    git_buf_free(&gitdir_buf);
-    git_buf_free(&workdir_buf);
-  };
-  int flags = from_dotgit ? GIT_REPOSITORY_OPEN_NO_SEARCH | GIT_REPOSITORY_OPEN_NO_DOTGIT : 0;
-  switch (git_repository_discover_ex(&gitdir_buf, &workdir_buf, NULL, NULL, dir, flags, nullptr)) {
-    case 0:
-      gitdir.assign(gitdir_buf.ptr, gitdir_buf.size);
-      workdir.assign(workdir_buf.ptr, workdir_buf.size);
-      VERIFY(!gitdir.empty() && gitdir.front() == '/' && gitdir.back() == '/');
-      VERIFY(!workdir.empty() && workdir.front() == '/' && workdir.back() == '/');
-      break;
-    case GIT_ENOTFOUND:
-      gitdir.clear();
-      workdir.clear();
-      break;
-    default:
-      LOG(ERROR) << "git_repository_open_ext: " << Print(dir) << ": " << GitError();
-      throw Exception();
-  }
-}
-
-git_repository* OpenRepo(const std::string& dir, bool from_dotgit) {
-  git_repository* repo = nullptr;
-  int flags = from_dotgit ? GIT_REPOSITORY_OPEN_NO_SEARCH | GIT_REPOSITORY_OPEN_NO_DOTGIT : 0;
-  switch (git_repository_open_ext(&repo, dir.c_str(), flags, nullptr)) {
-    case 0:
-      return repo;
-    case GIT_ENOTFOUND:
-      return nullptr;
-    default:
-      LOG(ERROR) << "git_repository_open_ext: " << Print(dir) << ": " << GitError();
-      throw Exception();
-  }
-}
-
-std::string DirName(std::string path) {
-  if (path.empty()) return "";
-  while (path.back() == '/') {
-    path.pop_back();
-    if (path.empty()) return "";
-  }
-  do {
-    path.pop_back();
-    if (path.empty()) return "";
-  } while (path.back() != '/');
-  return path;
-}
-
-}  // namespace
-
-Repo* RepoCache::Open(const std::string& dir, bool from_dotgit) {
-  if (dir.empty() || dir.front() != '/') return nullptr;
-
-  std::string gitdir, workdir;
-  GitDirs(dir.c_str(), from_dotgit, gitdir, workdir);
-  if (gitdir.empty()) {
-    // This isn't quite correct because of differences in canonicalization, .git files and GIT_DIR.
-    // A proper solution would require tracking the "discovery dir" for every repository and
-    // performing path canonicalization.
-    if (from_dotgit) {
-      Erase(cache_.find(dir.back() == '/' ? dir : dir + '/'));
-    } else {
-      std::string path = dir;
-      if (path.back() != '/') path += '/';
-      do {
-        Erase(cache_.find(path + ".git/"));
-        path = DirName(path);
-      } while (!path.empty());
-    }
-    return nullptr;
-  }
-
-  auto it = cache_.find(gitdir);
-  if (it != cache_.end()) {
-    lru_.erase(it->second->lru);
-    it->second->lru = lru_.insert({Clock::now(), it});
-    return it->second.get();
-  }
-
-  // Opening from gitdir is faster but we cannot use it when gitdir came from a .git file.
-  git_repository* repo =
-      DirName(gitdir) == workdir ? OpenRepo(gitdir, true) : OpenRepo(dir, from_dotgit);
-  if (!repo) return nullptr;
-  ON_SCOPE_EXIT(&) {
-    if (repo) git_repository_free(repo);
-  };
-  if (git_repository_is_bare(repo)) return nullptr;
-  workdir = git_repository_workdir(repo) ?: "";
-  if (workdir.empty()) return nullptr;
-  VERIFY(workdir.front() == '/' && workdir.back() == '/') << Print(workdir);
-
-  auto x = cache_.emplace(gitdir, nullptr);
-  std::unique_ptr<Entry>& elem = x.first->second;
-  if (elem) {
-    lru_.erase(elem->lru);
-  } else {
-    LOG(INFO) << "Initializing new repository: " << Print(gitdir);
-
-    // Libgit2 initializes odb and refdb lazily with double-locking. To avoid useless work
-    // when multiple threads attempt to initialize the same db at the same time, we trigger
-    // initialization manually before threads are in play.
-    git_odb* odb;
-    VERIFY(!git_repository_odb(&odb, repo)) << GitError();
-    git_odb_free(odb);
-
-    git_refdb* refdb;
-    VERIFY(!git_repository_refdb(&refdb, repo)) << GitError();
-    git_refdb_free(refdb);
-
-    elem = std::make_unique<Entry>(std::exchange(repo, nullptr), lim_);
-  }
-  elem->lru = lru_.insert({Clock::now(), x.first});
-  return elem.get();
-}
-
-void RepoCache::Free(Time cutoff) {
-  while (true) {
-    if (lru_.empty()) break;
-    auto it = lru_.begin();
-    if (it->first > cutoff) break;
-    Erase(it->second);
-  }
-}
-
-void RepoCache::Erase(Cache::iterator it) {
-  if (it == cache_.end()) return;
-  LOG(INFO) << "Closing repository: " << Print(it->first);
-  lru_.erase(it->second->lru);
-  cache_.erase(it);
-}
-
-}  // namespace gitstatus