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https://github.com/facebook/sapling.git
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894416f20a
Summary: Adds a non-optional EdenErrorType struct for EdenError, this can be used in case of special error case handling of errors without error message parsing. Currently this is just passed along and not consumed anywhere in the client, but later in the stack is used for specific retry of checkout if "CHECKOUT_IN_PROGRESS" on the consuming side. Reviewed By: chadaustin Differential Revision: D18139917 fbshipit-source-id: b3f2ec4c480fc5246ff2f46d09c436021bad8b61
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#pragma once
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#include <folly/Range.h>
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#include <optional>
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#include <string>
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#include "eden/fs/model/Hash.h"
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#include "eden/fs/service/EdenError.h"
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#include "eden/fs/service/gen-cpp2/eden_types.h"
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namespace facebook {
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namespace eden {
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/**
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* Convert a Hash to a std::string to be returned via thrift as a thrift
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* BinaryHash data type.
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*/
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inline std::string thriftHash(const Hash& hash) {
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return folly::StringPiece{hash.getBytes()}.str();
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}
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/**
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* Convert an optional<Hash> to a std::string to be returned via thrift
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* as a thrift BinaryHash data type.
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*/
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inline std::string thriftHash(const std::optional<Hash>& hash) {
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if (hash.has_value()) {
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return thriftHash(hash.value());
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}
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return std::string{};
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}
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/**
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* Convert thrift BinaryHash data type into a Hash object.
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*
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* This allows the input to be either a 20-byte binary string, or a 40-byte
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* hexadecimal string.
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*/
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inline Hash hashFromThrift(const std::string& commitID) {
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if (commitID.size() == Hash::RAW_SIZE) {
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// This looks like 20 bytes of binary data.
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return Hash(folly::ByteRange(folly::StringPiece(commitID)));
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} else if (commitID.size() == 2 * Hash::RAW_SIZE) {
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// This looks like 40 bytes of hexadecimal data.
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return Hash(commitID);
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} else {
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throw newEdenError(
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EINVAL,
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EdenErrorType::ARGUMENT_ERROR,
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"expected argument to be a 20-byte binary hash or "
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"40-byte hexadecimal hash; got \"",
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commitID,
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"\"");
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}
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}
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} // namespace eden
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} // namespace facebook
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