Move environment staleness check to soong_ui.
Also delete the now-unnecessary soong_env binary.
Test: Manually. Also checked what happens when a used environment
variable changes.
Change-Id: Ib393e7f444e94819198c6cce4bcd8719d9fd9441
diff --git a/android/Android.bp b/android/Android.bp
index a8fa53a..35437b8 100644
--- a/android/Android.bp
+++ b/android/Android.bp
@@ -12,7 +12,6 @@
"soong",
"soong-android-soongconfig",
"soong-bazel",
- "soong-env",
"soong-shared",
"soong-ui-metrics_proto",
],
diff --git a/android/env.go b/android/env.go
index c2a09aa..a8c7777 100644
--- a/android/env.go
+++ b/android/env.go
@@ -21,7 +21,7 @@
"strings"
"syscall"
- "android/soong/env"
+ "android/soong/shared"
)
// This file supports dependencies on environment variables. During build manifest generation,
@@ -113,7 +113,7 @@
return
}
- data, err := env.EnvFileContents(envDeps)
+ data, err := shared.EnvFileContents(envDeps)
if err != nil {
ctx.Errorf(err.Error())
}
diff --git a/cmd/soong_build/Android.bp b/cmd/soong_build/Android.bp
index 6a0a87b..9f09224 100644
--- a/cmd/soong_build/Android.bp
+++ b/cmd/soong_build/Android.bp
@@ -25,7 +25,6 @@
"soong",
"soong-android",
"soong-bp2build",
- "soong-env",
"soong-ui-metrics_proto",
],
srcs: [
diff --git a/cmd/soong_env/Android.bp b/cmd/soong_env/Android.bp
deleted file mode 100644
index ad717d0..0000000
--- a/cmd/soong_env/Android.bp
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2015 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 {
- default_applicable_licenses: ["Android-Apache-2.0"],
-}
-
-bootstrap_go_binary {
- name: "soong_env",
- deps: [
- "soong-env",
- ],
- srcs: [
- "soong_env.go",
- ],
- default: true,
-}
diff --git a/cmd/soong_env/soong_env.go b/cmd/soong_env/soong_env.go
deleted file mode 100644
index 8020b17..0000000
--- a/cmd/soong_env/soong_env.go
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright 2015 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.
-
-// soong_env determines if the given soong environment file (usually ".soong.environment") is stale
-// by comparing its contents to the current corresponding environment variable values.
-// It fails if the file cannot be opened or corrupted, or its contents differ from the current
-// values.
-
-package main
-
-import (
- "flag"
- "fmt"
- "os"
-
- "android/soong/env"
-)
-
-func usage() {
- fmt.Fprintf(os.Stderr, "usage: soong_env env_file\n")
- fmt.Fprintf(os.Stderr, "exits with success if the environment varibles in env_file match\n")
- fmt.Fprintf(os.Stderr, "the current environment\n")
- flag.PrintDefaults()
- os.Exit(2)
-}
-
-// This is a simple executable packaging, and the real work happens in env.StaleEnvFile.
-func main() {
- flag.Parse()
-
- if flag.NArg() != 1 {
- usage()
- }
-
- stale, err := env.StaleEnvFile(flag.Arg(0))
- if err != nil {
- fmt.Fprintf(os.Stderr, "error: %s\n", err.Error())
- os.Exit(1)
- }
-
- if stale {
- os.Exit(1)
- }
-
- os.Exit(0)
-}
diff --git a/env/Android.bp b/env/Android.bp
deleted file mode 100644
index c6a97b1..0000000
--- a/env/Android.bp
+++ /dev/null
@@ -1,11 +0,0 @@
-package {
- default_applicable_licenses: ["Android-Apache-2.0"],
-}
-
-bootstrap_go_package {
- name: "soong-env",
- pkgPath: "android/soong/env",
- srcs: [
- "env.go",
- ],
-}
diff --git a/shared/Android.bp b/shared/Android.bp
index 5aa9d54..c79bc2b 100644
--- a/shared/Android.bp
+++ b/shared/Android.bp
@@ -6,6 +6,7 @@
name: "soong-shared",
pkgPath: "android/soong/shared",
srcs: [
+ "env.go",
"paths.go",
],
deps: [
diff --git a/env/env.go b/shared/env.go
similarity index 89%
rename from env/env.go
rename to shared/env.go
index 735a38a..7900daa 100644
--- a/env/env.go
+++ b/shared/env.go
@@ -12,15 +12,15 @@
// See the License for the specific language governing permissions and
// limitations under the License.
-// env implements the environment JSON file handling for the soong_env command line tool run before
-// the builder and for the env writer in the builder.
-package env
+// Implements the environment JSON file handling for serializing the
+// environment variables that were used in soong_build so that soong_ui can
+// check whether they have changed
+package shared
import (
"encoding/json"
"fmt"
"io/ioutil"
- "os"
"sort"
)
@@ -57,7 +57,7 @@
// Reads and deserializes a Soong environment file located at the given file path to determine its
// staleness. If any environment variable values have changed, it prints them out and returns true.
// Failing to read or parse the file also causes it to return true.
-func StaleEnvFile(filepath string) (bool, error) {
+func StaleEnvFile(filepath string, getenv func(string) string) (bool, error) {
data, err := ioutil.ReadFile(filepath)
if err != nil {
return true, err
@@ -74,7 +74,7 @@
for _, entry := range contents {
key := entry.Key
old := entry.Value
- cur := os.Getenv(key)
+ cur := getenv(key)
if old != cur {
changed = append(changed, fmt.Sprintf("%s (%q -> %q)", key, old, cur))
}
diff --git a/ui/build/soong.go b/ui/build/soong.go
index 899ab5d..125dbcc 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -19,8 +19,8 @@
"os"
"path/filepath"
"strconv"
- "strings"
+ "android/soong/shared"
soong_metrics_proto "android/soong/ui/metrics/metrics_proto"
"github.com/golang/protobuf/proto"
@@ -79,29 +79,12 @@
defer ctx.EndTrace()
envFile := filepath.Join(config.SoongOutDir(), ".soong.environment")
- envTool := filepath.Join(config.SoongOutDir(), ".bootstrap/bin/soong_env")
- if _, err := os.Stat(envFile); err == nil {
- if _, err := os.Stat(envTool); err == nil {
- cmd := Command(ctx, config, "soong_env", envTool, envFile)
- cmd.Sandbox = soongSandbox
-
- var buf strings.Builder
- cmd.Stdout = &buf
- cmd.Stderr = &buf
- if err := cmd.Run(); err != nil {
- ctx.Verboseln("soong_env failed, forcing manifest regeneration")
- os.Remove(envFile)
- }
-
- if buf.Len() > 0 {
- ctx.Verboseln(buf.String())
- }
- } else {
- ctx.Verboseln("Missing soong_env tool, forcing manifest regeneration")
- os.Remove(envFile)
- }
- } else if !os.IsNotExist(err) {
- ctx.Fatalf("Failed to stat %f: %v", envFile, err)
+ getenv := func(k string) string {
+ v, _ := config.Environment().Get(k)
+ return v
+ }
+ if stale, _ := shared.StaleEnvFile(envFile, getenv); stale {
+ os.Remove(envFile)
}
}()