Files
build_soong/android/sandbox.go
Colin Cross 05c25ccb4a Sandbox soong_build by changing to root directory
Store the current working directory and then change to the root
directory so that all file accesses must go through helpers in
the android package that properly track dependencies.

Fixes: 146437378
Test: m checkbuild
Change-Id: I12a0f907753fefd1997ab8b4ea2ac331234093cf
2020-01-09 14:19:46 -08:00

48 lines
1.5 KiB
Go

// Copyright 2020 Google Inc. 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.
package android
import (
"fmt"
"os"
)
func init() {
// Stash the working directory in a private variable and then change the working directory
// to "/", which will prevent untracked accesses to files by Go Soong plugins. The
// SOONG_SANDBOX_SOONG_BUILD environment variable is set by soong_ui, and is not
// overrideable on the command line.
orig, err := os.Getwd()
if err != nil {
panic(fmt.Errorf("failed to get working directory: %s", err))
}
absSrcDir = orig
if getenv("SOONG_SANDBOX_SOONG_BUILD") == "true" {
err = os.Chdir("/")
if err != nil {
panic(fmt.Errorf("failed to change working directory to '/': %s", err))
}
}
}
// DO NOT USE THIS FUNCTION IN NEW CODE.
// Deprecated: This function will be removed as soon as the existing use cases that use it have been
// replaced.
func AbsSrcDirForExistingUseCases() string {
return absSrcDir
}