CMake/Source/cmInstallScriptHandler.cxx
2024-07-15 11:49:29 -04:00

120 lines
3.4 KiB
C++

/* 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 "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(const std::string& binary_dir,
std::vector<std::string>& args)
{
const std::string& file =
cmStrCat(binary_dir, "/CMakeFiles/InstallScripts.json");
if (cmSystemTools::FileExists(file)) {
int compare;
cmSystemTools::FileTimeCompare(
cmStrCat(binary_dir, "/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());
}
}
}
}
bool cmInstallScriptHandler::isParallel()
{
return !this->commands.empty();
}
int cmInstallScriptHandler::install(unsigned int j)
{
cm::uv_loop_ptr loop;
loop.init();
std::vector<InstallScript> scripts;
for (auto const& cmd : this->commands) {
scripts.push_back(InstallScript(cmd));
}
std::size_t working = 0;
std::size_t installed = 0;
std::size_t i = 0;
while (installed < scripts.size()) {
for (auto queue = std::min(j - working, scripts.size() - i); queue > 0;
--queue) {
scripts[i].start(loop, [&scripts, &working, &installed, i]() {
scripts[i].printResult(++installed, scripts.size());
--working;
});
++i;
}
uv_run(loop, UV_RUN_DEFAULT);
}
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);
}
}