diff options
Diffstat (limited to 'ui/build/config.go')
-rw-r--r-- | ui/build/config.go | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/ui/build/config.go b/ui/build/config.go index 56b16b18b..4ee759f85 100644 --- a/ui/build/config.go +++ b/ui/build/config.go @@ -15,7 +15,9 @@ package build import ( + "encoding/json" "fmt" + "io/ioutil" "os" "path/filepath" "runtime" @@ -30,6 +32,11 @@ import ( smpb "android/soong/ui/metrics/metrics_proto" ) +const ( + envConfigDir = "vendor/google/tools/soong_config" + jsonSuffix = "json" +) + type Config struct{ *configImpl } type configImpl struct { @@ -122,6 +129,43 @@ func checkTopDir(ctx Context) { } } +func loadEnvConfig(config *configImpl) error { + bc := os.Getenv("ANDROID_BUILD_ENVIRONMENT_CONFIG") + if bc == "" { + return nil + } + configDirs := []string{ + os.Getenv("ANDROID_BUILD_ENVIRONMENT_CONFIG_DIR"), + config.OutDir(), + envConfigDir, + } + var cfgFile string + for _, dir := range configDirs { + cfgFile = filepath.Join(os.Getenv("TOP"), dir, fmt.Sprintf("%s.%s", bc, jsonSuffix)) + if _, err := os.Stat(cfgFile); err == nil { + break + } + } + + envVarsJSON, err := ioutil.ReadFile(cfgFile) + if err != nil { + fmt.Fprintf(os.Stderr, "\033[33mWARNING:\033[0m failed to open config file %s: %s\n", cfgFile, err.Error()) + return nil + } + + var envVars map[string]map[string]string + if err := json.Unmarshal(envVarsJSON, &envVars); err != nil { + return fmt.Errorf("env vars config file: %s did not parse correctly: %s", cfgFile, err.Error()) + } + for k, v := range envVars["env"] { + if os.Getenv(k) != "" { + continue + } + config.Environment().Set(k, v) + } + return nil +} + func NewConfig(ctx Context, args ...string) Config { ret := &configImpl{ environ: OsEnvironment(), @@ -150,6 +194,12 @@ func NewConfig(ctx Context, args ...string) Config { ret.environ.Set("OUT_DIR", outDir) } + // loadEnvConfig needs to know what the OUT_DIR is, so it should + // be called after we determine the appropriate out directory. + if err := loadEnvConfig(ret); err != nil { + ctx.Fatalln("Failed to parse env config files: %v", err) + } + if distDir, ok := ret.environ.Get("DIST_DIR"); ok { ret.distDir = filepath.Clean(distDir) } else { @@ -911,7 +961,7 @@ func (c *configImpl) StartGoma() bool { } func (c *configImpl) UseRBE() bool { - if v, ok := c.environ.Get("USE_RBE"); ok { + if v, ok := c.Environment().Get("USE_RBE"); ok { v = strings.TrimSpace(v) if v != "" && v != "false" { return true |