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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmInstallExportGenerator.h"
#include <map>
#include <sstream>
#include <utility>
#include "cmCryptoHash.h"
#include "cmExportInstallFileGenerator.h"
#include "cmExportSet.h"
#include "cmInstallType.h"
#include "cmListFileCache.h"
#include "cmLocalGenerator.h"
#include "cmScriptGenerator.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
cmInstallExportGenerator::cmInstallExportGenerator(
cmExportSet* exportSet, std::string destination, std::string filePermissions,
std::vector<std::string> const& configurations, std::string component,
MessageLevel message, bool excludeFromAll, std::string filename,
std::string targetNamespace, std::string cxxModulesDirectory,
cmListFileBacktrace backtrace)
: cmInstallGenerator(std::move(destination), configurations,
std::move(component), message, excludeFromAll, false,
std::move(backtrace))
, ExportSet(exportSet)
, FilePermissions(std::move(filePermissions))
, FileName(std::move(filename))
, Namespace(std::move(targetNamespace))
, CxxModulesDirectory(std::move(cxxModulesDirectory))
{
exportSet->AddInstallation(this);
}
cmInstallExportGenerator::~cmInstallExportGenerator() = default;
bool cmInstallExportGenerator::Compute(cmLocalGenerator* lg)
{
this->LocalGenerator = lg;
return this->ExportSet->Compute(lg);
}
std::string cmInstallExportGenerator::TempDirCalculate() const
{
// Choose a temporary directory in which to generate the import
// files to be installed.
std::string path = cmStrCat(
this->LocalGenerator->GetCurrentBinaryDirectory(), "/CMakeFiles/Export");
if (this->Destination.empty()) {
return path;
}
cmCryptoHash hasher(cmCryptoHash::AlgoMD5);
path += '/';
// Replace the destination path with a hash to keep it short.
path += hasher.HashString(this->Destination);
return path;
}
void cmInstallExportGenerator::ComputeTempDir()
{
this->TempDir = this->TempDirCalculate();
}
std::string cmInstallExportGenerator::GetTempDir() const
{
if (this->TempDir.empty()) {
return this->TempDirCalculate();
}
return this->TempDir;
}
void cmInstallExportGenerator::GenerateScript(std::ostream& os)
{
// Skip empty sets.
if (this->ExportSet->GetTargetExports().empty()) {
std::ostringstream e;
e << "INSTALL(" << this->InstallSubcommand() << ") given unknown export \""
<< this->ExportSet->GetName() << "\"";
cmSystemTools::Error(e.str());
return;
}
// Create the temporary directory in which to store the files.
this->ComputeTempDir();
cmSystemTools::MakeDirectory(this->TempDir);
// Construct a temporary location for the file.
this->MainImportFile = cmStrCat(this->TempDir, '/', this->FileName);
// Generate the import file for this export set.
this->EFGen->SetExportFile(this->MainImportFile.c_str());
this->EFGen->SetNamespace(this->Namespace);
if (this->ConfigurationTypes->empty()) {
if (!this->ConfigurationName.empty()) {
this->EFGen->AddConfiguration(this->ConfigurationName);
} else {
this->EFGen->AddConfiguration("");
}
} else {
for (std::string const& c : *this->ConfigurationTypes) {
this->EFGen->AddConfiguration(c);
}
}
this->EFGen->GenerateImportFile();
// Perform the main install script generation.
this->cmInstallGenerator::GenerateScript(os);
}
void cmInstallExportGenerator::GenerateScriptConfigs(std::ostream& os,
Indent indent)
{
// Create the main install rules first.
this->cmInstallGenerator::GenerateScriptConfigs(os, indent);
// Now create a configuration-specific install rule for the import
// file of each configuration.
std::vector<std::string> files;
for (auto const& i : this->EFGen->GetConfigImportFiles()) {
files.push_back(i.second);
std::string config_test = this->CreateConfigTest(i.first);
os << indent << "if(" << config_test << ")\n";
this->AddInstallRule(os, this->Destination, cmInstallType_FILES, files,
false, this->FilePermissions.c_str(), nullptr,
nullptr, nullptr, indent.Next());
os << indent << "endif()\n";
files.clear();
}
// Now create a configuration-specific install rule for the C++ module import
// property file of each configuration.
auto const cxxModuleDestination =
cmStrCat(this->Destination, '/', this->CxxModulesDirectory);
auto const cxxModuleInstallFilePath = this->EFGen->GetCxxModuleFile();
auto const configImportFilesGlob = this->EFGen->GetConfigImportFileGlob();
if (!cxxModuleInstallFilePath.empty() && !configImportFilesGlob.empty()) {
auto const cxxModuleFilename =
cmSystemTools::GetFilenameName(cxxModuleInstallFilePath);
// Remove old per-configuration export files if the main changes.
std::string installedDir =
cmStrCat("$ENV{DESTDIR}",
ConvertToAbsoluteDestination(cxxModuleDestination), '/');
std::string installedFile = cmStrCat(installedDir, cxxModuleFilename);
os << indent << "if(EXISTS \"" << installedFile << "\")\n";
Indent indentN = indent.Next();
Indent indentNN = indentN.Next();
Indent indentNNN = indentNN.Next();
os << indentN << "file(DIFFERENT _cmake_export_file_changed FILES\n"
<< indentN << " \"" << installedFile << "\"\n"
<< indentN << " \"" << cxxModuleInstallFilePath << "\")\n";
os << indentN << "if(_cmake_export_file_changed)\n";
os << indentNN << "file(GLOB _cmake_old_config_files \"" << installedDir
<< configImportFilesGlob << "\")\n";
os << indentNN << "if(_cmake_old_config_files)\n";
os << indentNNN
<< "string(REPLACE \";\" \", \" _cmake_old_config_files_text "
"\"${_cmake_old_config_files}\")\n";
os << indentNNN << R"(message(STATUS "Old C++ module export file \")"
<< installedFile
<< "\\\" will be replaced. "
"Removing files [${_cmake_old_config_files_text}].\")\n";
os << indentNNN << "unset(_cmake_old_config_files_text)\n";
os << indentNNN << "file(REMOVE ${_cmake_old_config_files})\n";
os << indentNN << "endif()\n";
os << indentNN << "unset(_cmake_old_config_files)\n";
os << indentN << "endif()\n";
os << indentN << "unset(_cmake_export_file_changed)\n";
os << indent << "endif()\n";
// All of these files are siblings; get its location to know where the
// "anchor" file is.
files.push_back(cxxModuleInstallFilePath);
this->AddInstallRule(os, cxxModuleDestination, cmInstallType_FILES, files,
false, this->FilePermissions.c_str(), nullptr,
nullptr, nullptr, indent);
files.clear();
}
for (auto const& i : this->EFGen->GetConfigCxxModuleFiles()) {
files.push_back(i.second);
std::string config_test = this->CreateConfigTest(i.first);
os << indent << "if(" << config_test << ")\n";
this->AddInstallRule(os, cxxModuleDestination, cmInstallType_FILES, files,
false, this->FilePermissions.c_str(), nullptr,
nullptr, nullptr, indent.Next());
os << indent << "endif()\n";
files.clear();
}
for (auto const& i : this->EFGen->GetConfigCxxModuleTargetFiles()) {
std::string config_test = this->CreateConfigTest(i.first);
os << indent << "if(" << config_test << ")\n";
this->AddInstallRule(os, cxxModuleDestination, cmInstallType_FILES,
i.second, false, this->FilePermissions.c_str(),
nullptr, nullptr, nullptr, indent.Next());
os << indent << "endif()\n";
files.clear();
}
}
void cmInstallExportGenerator::GenerateScriptActions(std::ostream& os,
Indent indent)
{
auto const configImportFilesGlob = this->EFGen->GetConfigImportFileGlob();
if (!configImportFilesGlob.empty()) {
// Remove old per-configuration export files if the main changes.
std::string installedDir = cmStrCat(
"$ENV{DESTDIR}", ConvertToAbsoluteDestination(this->Destination), '/');
std::string installedFile = cmStrCat(installedDir, this->FileName);
os << indent << "if(EXISTS \"" << installedFile << "\")\n";
Indent indentN = indent.Next();
Indent indentNN = indentN.Next();
Indent indentNNN = indentNN.Next();
os << indentN << "file(DIFFERENT _cmake_export_file_changed FILES\n"
<< indentN << " \"" << installedFile << "\"\n"
<< indentN << " \"" << this->MainImportFile << "\")\n";
os << indentN << "if(_cmake_export_file_changed)\n";
os << indentNN << "file(GLOB _cmake_old_config_files \"" << installedDir
<< configImportFilesGlob << "\")\n";
os << indentNN << "if(_cmake_old_config_files)\n";
os << indentNNN
<< "string(REPLACE \";\" \", \" _cmake_old_config_files_text "
"\"${_cmake_old_config_files}\")\n";
os << indentNNN << R"(message(STATUS "Old export file \")" << installedFile
<< "\\\" will be replaced. "
"Removing files [${_cmake_old_config_files_text}].\")\n";
os << indentNNN << "unset(_cmake_old_config_files_text)\n";
os << indentNNN << "file(REMOVE ${_cmake_old_config_files})\n";
os << indentNN << "endif()\n";
os << indentNN << "unset(_cmake_old_config_files)\n";
os << indentN << "endif()\n";
os << indentN << "unset(_cmake_export_file_changed)\n";
os << indent << "endif()\n";
}
// Install the main export file.
std::vector<std::string> files;
files.push_back(this->MainImportFile);
this->AddInstallRule(os, this->Destination, cmInstallType_FILES, files,
false, this->FilePermissions.c_str(), nullptr, nullptr,
nullptr, indent);
}
std::string cmInstallExportGenerator::GetDestinationFile() const
{
return this->Destination + '/' + this->FileName;
}
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