Add reproc (previously process-lib) and rename process -> reproc in code

Author: DaanDeMeyer

.gitmodules

@@ -16,3 +16,6 @@
 [submodule "third_party/pugixml"]
 	path = third_party/pugixml
 	url = https://github.com/zeux/pugixml
+[submodule "third_party/reproc"]
+	path = third_party/reproc
+	url = https://github.com/DaanDeMeyer/reproc.git

CMakeLists.txt

@@ -102,9 +102,9 @@ endif()
 
 ### Libraries
 
-set(PROCESS_LIB_BUILD_CPP_WRAPPER ON CACHE BOOL "" FORCE)
-add_subdirectory(third_party/process-lib)
-target_link_libraries(cquery PRIVATE process-lib::process-lib)
+set(REPROC_BUILD_CPP_WRAPPER ON CACHE BOOL "" FORCE)
+add_subdirectory(third_party/reproc)
+target_link_libraries(cquery PRIVATE reproc::reproc)
 
 # See cmake/FindClang.cmake
 find_package(Clang ${CLANG_VERSION} REQUIRED)

src/platform.cc

@@ -3,7 +3,7 @@
 
 #include <doctest/doctest.h>
 #include <loguru.hpp>
-#include <process-lib/process.hpp>
+#include <reproc/reproc.hpp>
 
 #include <iterator>
 #include <sstream>
@@ -90,59 +90,57 @@ void MakeDirectoryRecursive(const AbsolutePath& path) {
 
 optional<std::string> RunExecutable(const std::vector<std::string>& command,
                                     std::string_view input) {
-  using process_lib::Process;
-
   std::string command_string = "\"" + StringJoin(command, " ") + "\"";
-  auto command_with_error = [command_string](Process::Error error) {
-    return command_string + ": " + Process::error_to_string(error);
+  auto command_with_error = [command_string](Reproc::Error error) {
+    return command_string + ": " + Reproc::error_to_string(error);
   };
 
-  Process process;
-  Process::Error error = Process::SUCCESS;
+  Reproc reproc;
+  Reproc::Error error = Reproc::SUCCESS;
 
-  error = process.start(command, nullptr);
+  error = reproc.start(command, nullptr);
   if (error) {
-    LOG_S(ERROR) << "Error starting process " << command_with_error(error);
+    LOG_S(ERROR) << "Error starting reproc " << command_with_error(error);
     return nullopt;
   }
 
   unsigned int bytes_written = 0;
-  error = process.write(input.data(), input.length(), &bytes_written);
+  error = reproc.write(input.data(), input.length(), &bytes_written);
   if (error) {
     LOG_S(ERROR) << "Error writing to stdin of " << command_with_error(error)
                  << ". " << bytes_written << " out of " << input.length()
                  << " bytes were written";
     return nullopt;
   }
 
-  error = process.close_stdin();
+  error = reproc.close_stdin();
   if (error) {
     LOG_S(ERROR) << "Error closing stdin of " << command_with_error(error);
     return nullopt;
   }
 
   std::string output{};
-  error = process.read_all(output);
+  error = reproc.read_all(output);
   if (error) {
     LOG_S(ERROR) << "Error reading output of " << command_with_error(error);
     return nullopt;
   }
 
-  error = process.read_all_stderr(output);
+  error = reproc.read_all_stderr(output);
   if (error) {
     LOG_S(ERROR) << "Error reading stderr output of "
                  << command_with_error(error);
     return nullopt;
   }
 
-  error = process.wait(Process::INFINITE);
+  error = reproc.wait(Reproc::INFINITE);
   if (error) {
     LOG_S(ERROR) << "Error waiting for exit of " << command_with_error(error);
     return nullopt;
   }
 
   int exit_status = 0;
-  error = process.exit_status(&exit_status);
+  error = reproc.exit_status(&exit_status);
   if (error) {
     LOG_S(ERROR) << "Error retrieving exit status of "
                  << command_with_error(error);