Move dataclean and installclean to soong_ui
This speeds things up a little bit, but the major win is that we don't
need to recursively call into the build during the auto installclean.
Test: m -j installclean
Test: m -j dataclean
Change-Id: I09ded8dbd8a2015c7848bc0042dfd3adad1b31c9
diff --git a/ui/build/cleanbuild.go b/ui/build/cleanbuild.go
new file mode 100644
index 0000000..27b6d14
--- /dev/null
+++ b/ui/build/cleanbuild.go
@@ -0,0 +1,169 @@
+// Copyright 2017 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 build
+
+import (
+ "fmt"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "strings"
+)
+
+func removeGlobs(ctx Context, globs ...string) {
+ for _, glob := range globs {
+ files, err := filepath.Glob(glob)
+ if err != nil {
+ // Only possible error is ErrBadPattern
+ panic(fmt.Errorf("%q: %s", glob, err))
+ }
+
+ for _, file := range files {
+ err = os.RemoveAll(file)
+ if err != nil {
+ ctx.Fatalf("Failed to remove file %q: %v", file, err)
+ }
+ }
+ }
+}
+
+// Remove everything under the out directory. Don't remove the out directory
+// itself in case it's a symlink.
+func clean(ctx Context, config Config, what int) {
+ removeGlobs(ctx, filepath.Join(config.OutDir(), "*"))
+ ctx.Println("Entire build directory removed.")
+}
+
+func dataClean(ctx Context, config Config, what int) {
+ removeGlobs(ctx, filepath.Join(config.ProductOut(), "data", "*"))
+}
+
+// installClean deletes all of the installed files -- the intent is to remove
+// files that may no longer be installed, either because the user previously
+// installed them, or they were previously installed by default but no longer
+// are.
+//
+// This is faster than a full clean, since we're not deleting the
+// intermediates. Instead of recompiling, we can just copy the results.
+func installClean(ctx Context, config Config, what int) {
+ dataClean(ctx, config, what)
+
+ if hostCrossOutPath := config.hostCrossOut(); hostCrossOutPath != "" {
+ hostCrossOut := func(path string) string {
+ return filepath.Join(hostCrossOutPath, path)
+ }
+ removeGlobs(ctx,
+ hostCrossOut("bin"),
+ hostCrossOut("coverage"),
+ hostCrossOut("lib*"),
+ hostCrossOut("nativetest*"))
+ }
+
+ hostOutPath := config.HostOut()
+ hostOut := func(path string) string {
+ return filepath.Join(hostOutPath, path)
+ }
+
+ productOutPath := config.ProductOut()
+ productOut := func(path string) string {
+ return filepath.Join(productOutPath, path)
+ }
+
+ // Host bin, frameworks, and lib* are intentionally omitted, since
+ // otherwise we'd have to rebuild any generated files created with
+ // those tools.
+ removeGlobs(ctx,
+ hostOut("obj/NOTICE_FILES"),
+ hostOut("obj/PACKAGING"),
+ hostOut("coverage"),
+ hostOut("cts"),
+ hostOut("nativetest*"),
+ hostOut("sdk"),
+ hostOut("sdk_addon"),
+ hostOut("testcases"),
+ hostOut("vts"),
+ productOut("*.img"),
+ productOut("*.ini"),
+ productOut("*.txt"),
+ productOut("*.xlb"),
+ productOut("*.zip"),
+ productOut("kernel"),
+ productOut("data"),
+ productOut("skin"),
+ productOut("obj/NOTICE_FILES"),
+ productOut("obj/PACKAGING"),
+ productOut("recovery"),
+ productOut("root"),
+ productOut("system"),
+ productOut("system_other"),
+ productOut("vendor"),
+ productOut("oem"),
+ productOut("obj/FAKE"),
+ productOut("breakpad"),
+ productOut("cache"),
+ productOut("coverage"),
+ productOut("installer"),
+ productOut("odm"),
+ productOut("sysloader"),
+ productOut("testcases"))
+}
+
+// Since products and build variants (unfortunately) shared the same
+// PRODUCT_OUT staging directory, things can get out of sync if different
+// build configurations are built in the same tree. This function will
+// notice when the configuration has changed and call installclean to
+// remove the files necessary to keep things consistent.
+func installCleanIfNecessary(ctx Context, config Config) {
+ configFile := config.DevicePreviousProductConfig()
+ prefix := "PREVIOUS_BUILD_CONFIG := "
+ suffix := "\n"
+ currentProduct := prefix + config.TargetProduct() + "-" + config.TargetBuildVariant() + suffix
+
+ writeConfig := func() {
+ err := ioutil.WriteFile(configFile, []byte(currentProduct), 0666)
+ if err != nil {
+ ctx.Fatalln("Failed to write product config:", err)
+ }
+ }
+
+ prev, err := ioutil.ReadFile(configFile)
+ if err != nil {
+ if os.IsNotExist(err) {
+ writeConfig()
+ return
+ } else {
+ ctx.Fatalln("Failed to read previous product config:", err)
+ }
+ } else if string(prev) == currentProduct {
+ return
+ }
+
+ if disable, _ := config.Environment().Get("DISABLE_AUTO_INSTALLCLEAN"); disable == "true" {
+ ctx.Println("DISABLE_AUTO_INSTALLCLEAN is set; skipping auto-clean. Your tree may be in an inconsistent state.")
+ return
+ }
+
+ ctx.BeginTrace("installclean")
+ defer ctx.EndTrace()
+
+ prevConfig := strings.TrimPrefix(strings.TrimSuffix(string(prev), suffix), prefix)
+ currentConfig := strings.TrimPrefix(strings.TrimSuffix(currentProduct, suffix), prefix)
+
+ ctx.Printf("Build configuration changed: %q -> %q, forcing installclean\n", prevConfig, currentConfig)
+
+ installClean(ctx, config, 0)
+
+ writeConfig()
+}