mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-12-16 15:19:03 +08:00
248 lines
9.5 KiB
C++
248 lines
9.5 KiB
C++
#include "pch.h"
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#include "Paragraphs.h"
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#include "metrics.h"
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#include "vcpkg_Files.h"
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#include "vcpkg_Strings.h"
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#include "vcpkg_Util.h"
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#include "vcpkglib.h"
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namespace vcpkg
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{
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static StatusParagraphs load_current_database(Files::Filesystem& fs,
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const fs::path& vcpkg_dir_status_file,
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const fs::path& vcpkg_dir_status_file_old)
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{
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if (!fs.exists(vcpkg_dir_status_file))
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{
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if (!fs.exists(vcpkg_dir_status_file_old))
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{
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// no status file, use empty db
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return StatusParagraphs();
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}
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fs.rename(vcpkg_dir_status_file_old, vcpkg_dir_status_file);
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}
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auto pghs = Paragraphs::get_paragraphs(fs, vcpkg_dir_status_file).value_or_exit(VCPKG_LINE_INFO);
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std::vector<std::unique_ptr<StatusParagraph>> status_pghs;
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for (auto&& p : pghs)
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{
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status_pghs.push_back(std::make_unique<StatusParagraph>(std::move(p)));
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}
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return StatusParagraphs(std::move(status_pghs));
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}
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StatusParagraphs database_load_check(const VcpkgPaths& paths)
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{
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auto& fs = paths.get_filesystem();
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const auto updates_dir = paths.vcpkg_dir_updates;
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std::error_code ec;
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fs.create_directory(paths.installed, ec);
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fs.create_directory(paths.vcpkg_dir, ec);
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fs.create_directory(paths.vcpkg_dir_info, ec);
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fs.create_directory(updates_dir, ec);
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const fs::path& status_file = paths.vcpkg_dir_status_file;
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const fs::path status_file_old = status_file.parent_path() / "status-old";
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const fs::path status_file_new = status_file.parent_path() / "status-new";
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StatusParagraphs current_status_db = load_current_database(fs, status_file, status_file_old);
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auto update_files = fs.get_files_non_recursive(updates_dir);
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if (update_files.empty())
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{
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// updates directory is empty, control file is up-to-date.
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return current_status_db;
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}
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for (auto&& file : update_files)
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{
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if (!fs.is_regular_file(file)) continue;
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if (file.filename() == "incomplete") continue;
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auto pghs = Paragraphs::get_paragraphs(fs, file).value_or_exit(VCPKG_LINE_INFO);
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for (auto&& p : pghs)
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{
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current_status_db.insert(std::make_unique<StatusParagraph>(std::move(p)));
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}
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}
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fs.write_contents(status_file_new, Strings::serialize(current_status_db));
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fs.rename(status_file_new, status_file);
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for (auto&& file : update_files)
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{
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if (!fs.is_regular_file(file)) continue;
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fs.remove(file);
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}
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return current_status_db;
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}
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void write_update(const VcpkgPaths& paths, const StatusParagraph& p)
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{
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static int update_id = 0;
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auto& fs = paths.get_filesystem();
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const auto my_update_id = update_id++;
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const auto tmp_update_filename = paths.vcpkg_dir_updates / "incomplete";
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const auto update_filename = paths.vcpkg_dir_updates / std::to_string(my_update_id);
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fs.write_contents(tmp_update_filename, Strings::serialize(p));
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fs.rename(tmp_update_filename, update_filename);
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}
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static void upgrade_to_slash_terminated_sorted_format(Files::Filesystem& fs,
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std::vector<std::string>* lines,
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const fs::path& listfile_path)
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{
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static bool was_tracked = false;
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if (lines->empty())
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{
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return;
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}
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if (lines->at(0).back() == '/')
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{
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return; // File already in the new format
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}
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if (!was_tracked)
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{
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was_tracked = true;
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Metrics::g_metrics.lock()->track_property("listfile", "update to new format");
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}
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// The files are sorted such that directories are placed just before the files they contain
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// (They are not necessarily sorted alphabetically, e.g. libflac)
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// Therefore we can detect the entries that represent directories by comparing every element with the next one
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// and checking if the next has a slash immediately after the current one's length
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for (size_t i = 0; i < lines->size() - 1; i++)
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{
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std::string& current_string = lines->at(i);
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const std::string& next_string = lines->at(i + 1);
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const size_t potential_slash_char_index = current_string.length();
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// Make sure the index exists first
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if (next_string.size() > potential_slash_char_index && next_string.at(potential_slash_char_index) == '/')
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{
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current_string += '/'; // Mark as a directory
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}
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}
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// After suffixing the directories with a slash, we can now sort.
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// We cannot sort before adding the suffixes because the following (actual example):
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/*
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x86-windows/include/FLAC <<<<<< This would be separated from its group due to sorting
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x86-windows/include/FLAC/all.h
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x86-windows/include/FLAC/assert.h
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x86-windows/include/FLAC/callback.h
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x86-windows/include/FLAC++
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x86-windows/include/FLAC++/all.h
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x86-windows/include/FLAC++/decoder.h
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x86-windows/include/FLAC++/encoder.h
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*
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x86-windows/include/FLAC/ <<<<<< This will now be kept with its group when sorting
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x86-windows/include/FLAC/all.h
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x86-windows/include/FLAC/assert.h
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x86-windows/include/FLAC/callback.h
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x86-windows/include/FLAC++/
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x86-windows/include/FLAC++/all.h
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x86-windows/include/FLAC++/decoder.h
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x86-windows/include/FLAC++/encoder.h
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*/
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// Note that after sorting, the FLAC++/ group will be placed before the FLAC/ group
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// The new format is lexicographically sorted
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std::sort(lines->begin(), lines->end());
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// Replace the listfile on disk
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const fs::path updated_listfile_path = listfile_path.generic_string() + "_updated";
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fs.write_lines(updated_listfile_path, *lines);
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fs.rename(updated_listfile_path, listfile_path);
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}
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std::vector<StatusParagraph*> get_installed_ports(const StatusParagraphs& status_db)
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{
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std::vector<StatusParagraph*> installed_packages;
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for (auto&& pgh : status_db)
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{
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if (pgh->state != InstallState::INSTALLED || pgh->want != Want::INSTALL) continue;
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installed_packages.push_back(pgh.get());
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}
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return installed_packages;
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}
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std::vector<StatusParagraphAndAssociatedFiles> get_installed_files(const VcpkgPaths& paths,
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const StatusParagraphs& status_db)
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{
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auto& fs = paths.get_filesystem();
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std::vector<StatusParagraphAndAssociatedFiles> installed_files;
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for (const std::unique_ptr<StatusParagraph>& pgh : status_db)
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{
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if (pgh->state != InstallState::INSTALLED || !pgh->package.feature.empty())
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{
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continue;
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}
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const fs::path listfile_path = paths.listfile_path(pgh->package);
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std::vector<std::string> installed_files_of_current_pgh =
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fs.read_lines(listfile_path).value_or_exit(VCPKG_LINE_INFO);
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Strings::trim_all_and_remove_whitespace_strings(&installed_files_of_current_pgh);
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upgrade_to_slash_terminated_sorted_format(fs, &installed_files_of_current_pgh, listfile_path);
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// Remove the directories
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Util::erase_remove_if(installed_files_of_current_pgh,
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[](const std::string& file) { return file.back() == '/'; });
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StatusParagraphAndAssociatedFiles pgh_and_files = {
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*pgh, SortedVector<std::string>(std::move(installed_files_of_current_pgh))};
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installed_files.push_back(std::move(pgh_and_files));
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}
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return installed_files;
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}
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CMakeVariable::CMakeVariable(const CWStringView varname, const wchar_t* varvalue)
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: s(Strings::wformat(LR"("-D%s=%s")", varname, varvalue))
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{
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}
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CMakeVariable::CMakeVariable(const CWStringView varname, const std::string& varvalue)
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: CMakeVariable(varname, Strings::to_utf16(varvalue).c_str())
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{
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}
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CMakeVariable::CMakeVariable(const CWStringView varname, const std::wstring& varvalue)
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: CMakeVariable(varname, varvalue.c_str())
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{
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}
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CMakeVariable::CMakeVariable(const CWStringView varname, const fs::path& path)
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: CMakeVariable(varname, path.generic_wstring())
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{
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}
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std::wstring make_cmake_cmd(const fs::path& cmake_exe,
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const fs::path& cmake_script,
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const std::vector<CMakeVariable>& pass_variables)
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{
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const std::wstring cmd_cmake_pass_variables = Strings::join(L" ", pass_variables, [](auto&& v) { return v.s; });
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return Strings::wformat(
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LR"("%s" %s -P "%s")", cmake_exe.native(), cmd_cmake_pass_variables, cmake_script.generic_wstring());
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}
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std::string shorten_text(const std::string& desc, size_t length)
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{
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Checks::check_exit(VCPKG_LINE_INFO, length >= 3);
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auto simple_desc = std::regex_replace(desc, std::regex("\\s+"), " ");
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return simple_desc.size() <= length ? simple_desc : simple_desc.substr(0, length - 3) + "...";
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}
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}
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