f0b3b94bb3
This is achieved by writing soong.environment.used in Main() instead of as a side effect of a singleton. This makes a difference because build actions are not generated when GENERATE_BAZEL_FILES=true is set, therefore the side effect did not happen. Arguably, Main() is made worse by this change, but I don't want to tackle the problem of readably determining which mode soong_build is running in in this change. Test: Presubmits + the additional test. Change-Id: I66af2429aedf008762173eaaa55b828b4cf4328b
40 lines
1.4 KiB
Go
40 lines
1.4 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package android
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import (
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"android/soong/shared"
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)
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// This file supports dependencies on environment variables. During build
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// manifest generation, any dependency on an environment variable is added to a
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// list. At the end of the build, a JSON file called soong.environment.used is
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// written containing the current value of all used environment variables. The
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// next time the top-level build script is run, soong_ui parses the compare the
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// contents of the used environment variables, then, if they changed, deletes
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// soong.environment.used to cause a rebuild.
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//
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// The dependency of build.ninja on soong.environment.used is declared in
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// build.ninja.d
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var originalEnv map[string]string
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func InitEnvironment(envFile string) {
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var err error
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originalEnv, err = shared.EnvFromFile(envFile)
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if err != nil {
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panic(err)
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}
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}
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