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https://github.com/cemu-project/vcpkg.git
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3b0080e3b0
`files.h/files.cpp`: * Add end and else comments to all macros. * Add "remove_all_inside" function which empties a directory without actually deleting the directory. This is necessary to handle the case where the directory is actually a directory symlink. * Change remove_all to use std::remove when VCPKG_USE_STD_FILESYSTEM is set; this will engage POSIX delete support available on current Win10. `commands.ci.cpp`: empty "installed". `*/initialize_environment.*`: No longer clean the directories outside the tool. `ci-step.ps1`: Remove unused console output tee-ing.
181 lines
7.8 KiB
C++
181 lines
7.8 KiB
C++
#pragma once
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#include <vcpkg/base/expected.h>
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#include <vcpkg/base/ignore_errors.h>
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#if VCPKG_USE_STD_FILESYSTEM
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#include <filesystem>
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#else
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#define _SILENCE_EXPERIMENTAL_FILESYSTEM_DEPRECATION_WARNING
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#include <experimental/filesystem>
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#endif
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namespace fs
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{
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#if VCPKG_USE_STD_FILESYSTEM
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namespace stdfs = std::filesystem;
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#else
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namespace stdfs = std::experimental::filesystem;
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#endif
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using stdfs::copy_options;
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using stdfs::path;
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using stdfs::perms;
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using stdfs::u8path;
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using stdfs::directory_iterator;
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#if defined(_WIN32)
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enum class file_type
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{
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none = 0,
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not_found = -1,
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regular = 1,
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directory = 2,
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symlink = 3,
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block = 4,
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character = 5,
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fifo = 6,
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socket = 7,
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unknown = 8,
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// also stands for a junction
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directory_symlink = 42
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};
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struct file_status
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{
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explicit file_status(file_type type = file_type::none, perms permissions = perms::unknown) noexcept
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: m_type(type), m_permissions(permissions)
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{
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}
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file_type type() const noexcept { return m_type; }
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void type(file_type type) noexcept { m_type = type; }
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perms permissions() const noexcept { return m_permissions; }
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void permissions(perms perm) noexcept { m_permissions = perm; }
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private:
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file_type m_type;
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perms m_permissions;
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};
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#else
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using stdfs::file_type;
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// to set up ADL correctly on `file_status` objects, we are defining
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// this in our own namespace
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struct file_status : private stdfs::file_status
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{
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using stdfs::file_status::file_status;
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using stdfs::file_status::permissions;
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using stdfs::file_status::type;
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};
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#endif
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inline bool is_symlink(file_status s) noexcept
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{
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#if defined(_WIN32)
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if (s.type() == file_type::directory_symlink) return true;
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#endif
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return s.type() == file_type::symlink;
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}
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inline bool is_regular_file(file_status s) { return s.type() == file_type::regular; }
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inline bool is_directory(file_status s) { return s.type() == file_type::directory; }
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inline bool exists(file_status s) { return s.type() != file_type::not_found && s.type() != file_type::none; }
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}
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/*
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if someone attempts to use unqualified `symlink_status` or `is_symlink`,
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they might get the ADL version, which is broken.
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Therefore, put `(symlink_)?status` as deleted in the global namespace, so
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that they get an error.
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We also want to poison the ADL on the other functions, because
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we don't want people calling these functions on paths
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*/
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void status(const fs::path& p) = delete;
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void status(const fs::path& p, std::error_code& ec) = delete;
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void symlink_status(const fs::path& p) = delete;
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void symlink_status(const fs::path& p, std::error_code& ec) = delete;
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void is_symlink(const fs::path& p) = delete;
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void is_symlink(const fs::path& p, std::error_code& ec) = delete;
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void is_regular_file(const fs::path& p) = delete;
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void is_regular_file(const fs::path& p, std::error_code& ec) = delete;
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void is_directory(const fs::path& p) = delete;
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void is_directory(const fs::path& p, std::error_code& ec) = delete;
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namespace vcpkg::Files
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{
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struct Filesystem
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{
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std::string read_contents(const fs::path& file_path, LineInfo linfo) const;
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virtual Expected<std::string> read_contents(const fs::path& file_path) const = 0;
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virtual Expected<std::vector<std::string>> read_lines(const fs::path& file_path) const = 0;
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virtual fs::path find_file_recursively_up(const fs::path& starting_dir, const std::string& filename) const = 0;
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virtual std::vector<fs::path> get_files_recursive(const fs::path& dir) const = 0;
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virtual std::vector<fs::path> get_files_non_recursive(const fs::path& dir) const = 0;
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void write_lines(const fs::path& file_path, const std::vector<std::string>& lines, LineInfo linfo);
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virtual void write_lines(const fs::path& file_path,
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const std::vector<std::string>& lines,
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std::error_code& ec) = 0;
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void write_contents(const fs::path& path, const std::string& data, LineInfo linfo);
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virtual void write_contents(const fs::path& file_path, const std::string& data, std::error_code& ec) = 0;
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void rename(const fs::path& oldpath, const fs::path& newpath, LineInfo linfo);
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virtual void rename(const fs::path& oldpath, const fs::path& newpath, std::error_code& ec) = 0;
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virtual void rename_or_copy(const fs::path& oldpath,
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const fs::path& newpath,
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StringLiteral temp_suffix,
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std::error_code& ec) = 0;
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bool remove(const fs::path& path, LineInfo linfo);
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bool remove(const fs::path& path, ignore_errors_t);
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virtual bool remove(const fs::path& path, std::error_code& ec) = 0;
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virtual void remove_all(const fs::path& path, std::error_code& ec, fs::path& failure_point) = 0;
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void remove_all(const fs::path& path, LineInfo li);
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void remove_all(const fs::path& path, ignore_errors_t);
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virtual void remove_all_inside(const fs::path& path, std::error_code& ec, fs::path& failure_point) = 0;
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void remove_all_inside(const fs::path& path, LineInfo li);
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void remove_all_inside(const fs::path& path, ignore_errors_t);
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bool exists(const fs::path& path, std::error_code& ec) const;
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bool exists(LineInfo li, const fs::path& path) const;
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bool exists(const fs::path& path, ignore_errors_t = ignore_errors) const;
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virtual bool is_directory(const fs::path& path) const = 0;
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virtual bool is_regular_file(const fs::path& path) const = 0;
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virtual bool is_empty(const fs::path& path) const = 0;
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virtual bool create_directory(const fs::path& path, std::error_code& ec) = 0;
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bool create_directory(const fs::path& path, ignore_errors_t);
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virtual bool create_directories(const fs::path& path, std::error_code& ec) = 0;
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bool create_directories(const fs::path& path, ignore_errors_t);
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virtual void copy(const fs::path& oldpath, const fs::path& newpath, fs::copy_options opts) = 0;
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virtual bool copy_file(const fs::path& oldpath,
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const fs::path& newpath,
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fs::copy_options opts,
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std::error_code& ec) = 0;
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virtual void copy_symlink(const fs::path& oldpath, const fs::path& newpath, std::error_code& ec) = 0;
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virtual fs::file_status status(const fs::path& path, std::error_code& ec) const = 0;
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virtual fs::file_status symlink_status(const fs::path& path, std::error_code& ec) const = 0;
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fs::file_status status(LineInfo li, const fs::path& p) const noexcept;
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fs::file_status status(const fs::path& p, ignore_errors_t) const noexcept;
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fs::file_status symlink_status(LineInfo li, const fs::path& p) const noexcept;
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fs::file_status symlink_status(const fs::path& p, ignore_errors_t) const noexcept;
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virtual fs::path absolute(const fs::path& path, std::error_code& ec) const = 0;
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fs::path absolute(LineInfo li, const fs::path& path) const;
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virtual fs::path canonical(const fs::path& path, std::error_code& ec) const = 0;
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fs::path canonical(LineInfo li, const fs::path& path) const;
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fs::path canonical(const fs::path& path, ignore_errors_t) const;
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virtual fs::path current_path(std::error_code&) const = 0;
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fs::path current_path(LineInfo li) const;
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virtual std::vector<fs::path> find_from_PATH(const std::string& name) const = 0;
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};
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Filesystem& get_real_filesystem();
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static constexpr const char* FILESYSTEM_INVALID_CHARACTERS = R"(\/:*?"<>|)";
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bool has_invalid_chars_for_filesystem(const std::string& s);
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void print_paths(const std::vector<fs::path>& paths);
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}
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