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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 "cmInstallScriptHandler.h"
#include <algorithm>
#include <cstddef>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include <cm/memory>
#include <cm3p/json/reader.h>
#include <cm3p/json/value.h>
#include <cm3p/uv.h>
#include "cmsys/FStream.hxx"
#include "cmsys/RegularExpression.hxx"
#include "cmCryptoHash.h"
#include "cmGeneratedFileStream.h"
#include "cmJSONState.h"
#include "cmProcessOutput.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmUVHandlePtr.h"
#include "cmUVProcessChain.h"
#include "cmUVStream.h"
using InstallScript = cmInstallScriptHandler::InstallScript;
cmInstallScriptHandler::cmInstallScriptHandler(std::string _binaryDir,
std::string _component,
std::vector<std::string>& args)
: binaryDir(std::move(_binaryDir))
, component(std::move(_component))
{
const std::string& file =
cmStrCat(this->binaryDir, "/CMakeFiles/InstallScripts.json");
if (cmSystemTools::FileExists(file)) {
int compare;
cmSystemTools::FileTimeCompare(
cmStrCat(this->binaryDir, "/CMakeFiles/cmake.check_cache"), file,
&compare);
if (compare < 1) {
args.insert(args.end() - 1, "-DCMAKE_INSTALL_LOCAL_ONLY=1");
Json::CharReaderBuilder rbuilder;
auto JsonReader =
std::unique_ptr<Json::CharReader>(rbuilder.newCharReader());
std::vector<char> content;
Json::Value value;
cmJSONState state(file, &value);
for (auto const& script : value["InstallScripts"]) {
this->commands.push_back(args);
this->commands.back().emplace_back(script.asCString());
this->directories.push_back(
cmSystemTools::GetFilenamePath(script.asCString()));
}
}
}
}
bool cmInstallScriptHandler::isParallel()
{
return !this->commands.empty();
}
int cmInstallScriptHandler::install(unsigned int j)
{
cm::uv_loop_ptr loop;
loop.init();
std::vector<InstallScript> scripts;
scripts.reserve(this->commands.size());
for (auto const& cmd : this->commands) {
scripts.emplace_back(cmd);
}
std::size_t working = 0;
std::size_t installed = 0;
std::size_t i = 0;
std::function<void()> queueScripts;
queueScripts = [&scripts, &working, &installed, &i, &loop, j,
&queueScripts]() {
for (auto queue = std::min(j - working, scripts.size() - i); queue > 0;
--queue) {
++working;
scripts[i].start(loop,
[&scripts, &working, &installed, i, &queueScripts]() {
scripts[i].printResult(++installed, scripts.size());
--working;
queueScripts();
});
++i;
}
};
queueScripts();
uv_run(loop, UV_RUN_DEFAULT);
// Write install manifest
std::string install_manifest;
if (this->component.empty()) {
install_manifest = "install_manifest.txt";
} else {
cmsys::RegularExpression regEntry;
if (regEntry.compile("^[a-zA-Z0-9_.+-]+$") &&
regEntry.find(this->component)) {
install_manifest =
cmStrCat("install_manifest_", this->component, ".txt");
} else {
cmCryptoHash md5(cmCryptoHash::AlgoMD5);
md5.Initialize();
install_manifest =
cmStrCat("install_manifest_", md5.HashString(this->component), ".txt");
}
}
cmGeneratedFileStream fout(cmStrCat(this->binaryDir, "/", install_manifest));
fout.SetCopyIfDifferent(true);
for (auto const& dir : this->directories) {
auto local_manifest = cmStrCat(dir, "/install_local_manifest.txt");
if (cmSystemTools::FileExists(local_manifest)) {
cmsys::ifstream fin(local_manifest.c_str());
std::string line;
while (std::getline(fin, line)) {
fout << line << "\n";
}
}
}
return 0;
}
InstallScript::InstallScript(const std::vector<std::string>& cmd)
{
this->name = cmSystemTools::RelativePath(
cmSystemTools::GetCurrentWorkingDirectory(), cmd.back());
this->command = cmd;
}
void InstallScript::start(cm::uv_loop_ptr& loop,
std::function<void()> callback)
{
cmUVProcessChainBuilder builder;
builder.AddCommand(this->command)
.SetExternalLoop(*loop)
.SetMergedBuiltinStreams();
this->chain = cm::make_unique<cmUVProcessChain>(builder.Start());
this->pipe.init(this->chain->GetLoop(), 0);
uv_pipe_open(this->pipe, this->chain->OutputStream());
this->streamHandler = cmUVStreamRead(
this->pipe,
[this](std::vector<char> data) {
std::string strdata;
cmProcessOutput(cmProcessOutput::Auto)
.DecodeText(data.data(), data.size(), strdata);
this->output.push_back(strdata);
},
std::move(callback));
}
void InstallScript::printResult(std::size_t n, std::size_t total)
{
cmSystemTools::Stdout(cmStrCat('[', n, '/', total, "] ", this->name, '\n'));
for (auto const& line : this->output) {
cmSystemTools::Stdout(line);
}
}
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