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bc93fd13b6
Summary: Update EdenMount::diff() to use the UserInfo object stored in the shared ServerState rather than calling UserInfo::lookup() on each diff operation. Reviewed By: wez Differential Revision: D6929865 fbshipit-source-id: a68ab1fa9eb345b59972e67c3aac258b4dbcdab5
78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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* Copyright (c) 2004-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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#pragma once
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#include <folly/Range.h>
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#include <string>
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#include "eden/fs/model/git/GitIgnoreStack.h"
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#include "eden/fs/utils/PathFuncs.h"
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namespace facebook {
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namespace eden {
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class InodeDiffCallback;
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class ObjectStore;
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class UserInfo;
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/**
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* A small helper class to store parameters for a TreeInode::diff() operation.
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*
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* These are parameters that remain fixed across all subdirectories being
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* diffed. This class is mostly just for convenience so that we do not have to
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* pass these items in individually as separate parameters to each function
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* being called.
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*/
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class DiffContext {
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public:
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// Loads the system-wide ignore settings and user-specific
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// ignore settings into top level git ignore stack
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DiffContext(
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InodeDiffCallback* cb,
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bool listIgnored,
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const ObjectStore* os,
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const UserInfo& userInfo);
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// this constructor is primarily intended for testing
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DiffContext(
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InodeDiffCallback* cb,
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bool listIgnored,
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const ObjectStore* os,
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folly::StringPiece systemWideIgnoreFileContents,
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folly::StringPiece userIgnoreFileContents);
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const GitIgnoreStack* getToplevelIgnore() const {
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return ownedIgnores_.empty() ? nullptr : ownedIgnores_.back().get();
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}
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InodeDiffCallback* const callback;
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const ObjectStore* const store;
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/**
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* If listIgnored is true information about ignored files will be reported.
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* If listIgnored is false then ignoredFile() will never be called on the
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* callback. The diff operation may be faster with listIgnored=false, since
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* it can completely omit processing ignored subdirectories.
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*/
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bool const listIgnored;
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private:
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static AbsolutePath constructUserIgnoreFileName(const UserInfo& userInfo);
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static std::string tryIngestFile(AbsolutePathPiece fileName);
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void initOwnedIgnores(
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folly::StringPiece systemWideIgnoreFileContents,
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folly::StringPiece userIgnoreFileContents);
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void pushFrameIfAvailable(folly::StringPiece ignoreFileContents);
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static constexpr folly::StringPiece kSystemWideIgnoreFileName =
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"/etc/eden/ignore";
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std::vector<std::unique_ptr<GitIgnoreStack>> ownedIgnores_;
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};
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} // namespace eden
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} // namespace facebook
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