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44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
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// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include "symlink.h"
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#ifdef _WIN32
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#include <windows.h>
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#include <fmt/format.h>
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#endif
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namespace fs = std::filesystem;
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// The sole purpose of this file is to treat symlinks like symlinks on POSIX,
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// or treat them as directory junctions on Windows.
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// This is because, for some inexplicable reason, Microsoft has locked symbolic
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// links behind a "security policy", whereas directory junctions--functionally identical
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// for directories, by the way--are not. Why? I don't know.
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namespace Common::FS {
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bool CreateSymlink(const fs::path &from, const fs::path &to)
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{
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#ifdef _WIN32
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const std::string command = fmt::format("mklink /J {} {}", to.string(), from.string());
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return system(command.c_str()) == 0;
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#else
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std::error_code ec;
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fs::create_directory_symlink(from, to, ec);
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return !ec;
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#endif
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}
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bool IsSymlink(const fs::path &path)
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{
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#ifdef _WIN32
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auto attributes = GetFileAttributesW(path.wstring().c_str());
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return attributes & FILE_ATTRIBUTE_REPARSE_POINT;
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#else
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return fs::is_symlink(path);
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#endif
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}
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} // namespace Common::FS
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