Add a better error message for missing api files
Add some instructions for what to do.
Bug: 177806245
Test: m nothing (with java_sdk_library with no tracking files)
Change-Id: I286018f4d9105d5ade1e76cddb8670d0d097d77d
diff --git a/java/sdk_library.go b/java/sdk_library.go
index 1a655a6..638740f 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -1048,6 +1048,30 @@
// Add other dependencies as normal.
func (module *SdkLibrary) DepsMutator(ctx android.BottomUpMutatorContext) {
+ var missingApiModules []string
+ for _, apiScope := range module.getGeneratedApiScopes(ctx) {
+ if apiScope.unstable {
+ continue
+ }
+ if m := android.SrcIsModule(module.latestApiFilegroupName(apiScope)); !ctx.OtherModuleExists(m) {
+ missingApiModules = append(missingApiModules, m)
+ }
+ if m := android.SrcIsModule(module.latestRemovedApiFilegroupName(apiScope)); !ctx.OtherModuleExists(m) {
+ missingApiModules = append(missingApiModules, m)
+ }
+ }
+ if len(missingApiModules) != 0 && !module.sdkLibraryProperties.Unsafe_ignore_missing_latest_api {
+ m := module.Name() + " is missing tracking files for previously released library versions.\n"
+ m += "You need to do one of the following:\n"
+ m += "- Add `unsafe_ignore_missing_latest_api: true` to your blueprint (to disable compat tracking)\n"
+ m += "- Add a set of prebuilt txt files representing the last released version of this library for compat checking.\n"
+ m += " (the current set of API files can be used as a seed for this compatibility tracking\n"
+ m += "\n"
+ m += "The following filegroup modules are missing:\n "
+ m += strings.Join(missingApiModules, "\n ") + "\n"
+ m += "Please see the documentation of the prebuilt_apis module type (and a usage example in prebuilts/sdk) for a convenient way to generate these."
+ ctx.ModuleErrorf(m)
+ }
if module.requiresRuntimeImplementationLibrary() {
// Only add the deps for the library if it is actually going to be built.
module.Library.deps(ctx)