blob: 67582eb2a5e83e31cda24d7ad4117a2ed9e9fa6e [file] [log] [blame]
// Copyright 2017 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <sstream>
#include <string>
#include <vector>
#include "src/tools/launcher/bash_launcher.h"
#include "src/tools/launcher/util/launcher_util.h"
namespace bazel {
namespace launcher {
using std::vector;
using std::wostringstream;
using std::wstring;
static constexpr const char* BASH_BIN_PATH = "bash_bin_path";
ExitCode BashBinaryLauncher::Launch() {
wstring bash_binary = this->GetLaunchInfoByKey(BASH_BIN_PATH);
// If bash_binary is already "bash" or "bash.exe", that means we want to
// rely on the shell binary in PATH, no need to do Rlocation.
if (GetBinaryPathWithoutExtension(bash_binary) != L"bash") {
// Rlocation returns the original path if bash_binary is an absolute path.
bash_binary = this->Rlocation(bash_binary, true);
}
if (DoesFilePathExist(bash_binary.c_str())) {
wstring bash_bin_dir = GetParentDirFromPath(bash_binary);
wstring path_env;
GetEnv(L"PATH", &path_env);
path_env = bash_bin_dir + L";" + path_env;
SetEnv(L"PATH", path_env);
} else {
// If specified bash binary path doesn't exist, then fall back to
// bash.exe and hope it's in PATH.
bash_binary = L"bash.exe";
}
vector<wstring> origin_args = this->GetCommandlineArguments();
wostringstream bash_command;
wstring bash_main_file = GetBinaryPathWithoutExtension(GetLauncherPath());
bash_command << BashEscapeArg(bash_main_file);
for (int i = 1; i < origin_args.size(); i++) {
bash_command << L' ';
bash_command << BashEscapeArg(origin_args[i]);
}
vector<wstring> args;
args.push_back(L"-c");
args.push_back(BashEscapeArg(bash_command.str()));
return this->LaunchProcess(bash_binary, args);
}
} // namespace launcher
} // namespace bazel