mirror of
https://github.com/facebook/sapling.git
synced 2024-10-11 09:17:30 +03:00
8b9261f2a1
Summary:
Per discussion with bolinfest, this brings Eden in line with clang-format.
This diff was generated with `find . \( -iname '*.cpp' -o -iname '*.h' \) -exec bash -c "yes | arc lint {}" \;`
Reviewed By: bolinfest
Differential Revision: D6232695
fbshipit-source-id: d54942bf1c69b5b0dcd4df629f1f2d5538c9e28c
78 lines
3.0 KiB
C++
78 lines
3.0 KiB
C++
/*
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* Copyright (c) 2016-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 "Journal.h"
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#include <chrono>
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#include <unordered_set>
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#include "eden/fs/model/Hash.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 JournalDelta {
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public:
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enum Created { CREATED };
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enum Removed { REMOVED };
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enum Renamed { RENAME };
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JournalDelta() = default;
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JournalDelta(JournalDelta&&) = default;
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JournalDelta& operator=(JournalDelta&&) = default;
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JournalDelta(const JournalDelta&) = delete;
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JournalDelta& operator=(const JournalDelta&) = delete;
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JournalDelta(std::initializer_list<RelativePath> overlayFileNames);
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JournalDelta(RelativePathPiece fileName, Created);
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JournalDelta(RelativePathPiece fileName, Removed);
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JournalDelta(RelativePathPiece oldName, RelativePathPiece newName, Renamed);
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/** the prior delta and its chain */
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std::shared_ptr<const JournalDelta> previous;
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/** The current sequence range.
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* This is a range to accommodate merging a range into a single entry. */
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Journal::SequenceNumber fromSequence;
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Journal::SequenceNumber toSequence;
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/** The time at which the change was recorded.
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* This is a range to accommodate merging a range into a single entry. */
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std::chrono::steady_clock::time_point fromTime;
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std::chrono::steady_clock::time_point toTime;
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/** The snapshot hash that we started and ended up on.
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* This will often be the same unless we perform a checkout or make
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* a new snapshot from the snapshotable files in the overlay. */
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Hash fromHash;
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Hash toHash;
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/** The set of files that changed in the overlay in this update */
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std::unordered_set<RelativePath> changedFilesInOverlay;
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/** The set of files that were created in the overlay in this update */
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std::unordered_set<RelativePath> createdFilesInOverlay;
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/** The set of files that were removed in the overlay in this update */
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std::unordered_set<RelativePath> removedFilesInOverlay;
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/** The set of files that had differing status across a checkout or
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* some other operation that changes the snapshot hash */
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std::unordered_set<RelativePath> uncleanPaths;
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/** Merge the deltas running back from this delta for all deltas
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* whose toSequence is >= limitSequence.
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* The default limit value is 0 which is never assigned by the Journal
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* and thus indicates that all deltas should be merged.
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* if pruneAfterLimit is true and we stop due to hitting limitSequence,
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* then the returned delta will have previous=nullptr rather than
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* maintaining the chain.
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* If the limitSequence means that no deltas will match, returns nullptr.
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* */
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std::unique_ptr<JournalDelta> merge(
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Journal::SequenceNumber limitSequence = 0,
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bool pruneAfterLimit = false) const;
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};
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} // namespace eden
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} // namespace facebook
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