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// Copyright 2016 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 "src/main/cpp/workspace_layout.h"
#include <assert.h>
#include "src/main/cpp/blaze_util_platform.h"
#include "src/main/cpp/util/file.h"
#include "src/main/cpp/util/file_platform.h"
#include "src/main/cpp/util/path.h"
#include "src/main/cpp/util/path_platform.h"
namespace blaze {
using std::string;
using std::vector;
static const char kWorkspaceDotBazelMarker[] = "WORKSPACE.bazel";
static const char kWorkspaceMarker[] = "WORKSPACE";
string WorkspaceLayout::GetOutputRoot() const {
return blaze::GetOutputRoot();
}
bool WorkspaceLayout::InWorkspace(const string &workspace) const {
auto workspaceDotBazelPath =
blaze_util::JoinPath(workspace, kWorkspaceDotBazelMarker);
auto workspacePath = blaze_util::JoinPath(workspace, kWorkspaceMarker);
return (blaze_util::PathExists(workspaceDotBazelPath) &&
!blaze_util::IsDirectory(workspaceDotBazelPath)) ||
(blaze_util::PathExists(workspacePath) &&
!blaze_util::IsDirectory(workspacePath));
}
string WorkspaceLayout::GetWorkspace(const string &cwd) const {
assert(!cwd.empty());
string workspace = cwd;
do {
if (InWorkspace(workspace)) {
return workspace;
}
workspace = blaze_util::Dirname(workspace);
} while (!workspace.empty() && !blaze_util::IsRootDirectory(workspace));
return "";
}
string WorkspaceLayout::GetPrettyWorkspaceName(
const std::string& workspace) const {
// e.g. A Bazel server process running in ~/src/myproject (where there's a
// ~/src/myproject/WORKSPACE file) will appear in ps(1) as "bazel(myproject)".
return blaze_util::Basename(workspace);
}
std::string WorkspaceLayout::GetWorkspaceRcPath(
const std::string &workspace,
const std::vector<std::string> &startup_args) const {
// TODO(b/36168162): Rename and remove the tools/ prefix. See
// https://github.com/bazelbuild/bazel/issues/4502#issuecomment-372697374
// for the final set of bazelrcs we want to have.
return blaze_util::JoinPath(workspace, "tools/bazel.rc");
}
bool WorkspaceLayout::WorkspaceRelativizeRcFilePath(const string &workspace,
string *path_fragment)
const {
// Strip off the "%workspace%/" prefix and prepend the true workspace path.
// In theory this could use alternate search paths for blazerc files.
path_fragment->assign(
blaze_util::JoinPath(workspace,
path_fragment->substr(WorkspacePrefixLength)));
return true;
}
} // namespace blaze