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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"
namespace blaze {
using std::string;
using std::vector;
static const char kWorkspaceMarker[] = "WORKSPACE";
string WorkspaceLayout::GetOutputRoot() const {
return blaze::GetOutputRoot();
}
bool WorkspaceLayout::InWorkspace(const string &workspace) const {
return blaze_util::PathExists(
blaze_util::JoinPath(workspace, kWorkspaceMarker));
}
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);
}
static string FindAlongsideBinaryBlazerc(const string& cwd,
const string& path_to_binary) {
// TODO(b/32115171): This doesn't work on Windows. Fix this together with the
// associated bug.
const string path = blaze_util::IsAbsolute(path_to_binary)
? path_to_binary
: blaze_util::JoinPath(cwd, path_to_binary);
const string base = blaze_util::Basename(path_to_binary);
const string binary_blazerc_path = path + "." + base + "rc";
if (blaze_util::CanReadFile(binary_blazerc_path)) {
return binary_blazerc_path;
}
return "";
}
vector<string> WorkspaceLayout::FindCandidateBlazercPaths(
const string& workspace,
const string& cwd,
const string& path_to_binary,
const vector<string>& startup_args) const {
return {
blaze_util::JoinPath(workspace, "tools/bazel.rc"),
FindAlongsideBinaryBlazerc(cwd, path_to_binary),
FindSystemWideBlazerc(),
};
}
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
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