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package android
import (
"fmt"
"github.com/google/blueprint"
"github.com/google/blueprint/proptools"
)
func init() {
InitRegistrationContext.RegisterModuleType("removed_package", removedPackageModuleFactory)
}
type removedPackageModuleProps struct {
// The error message to display when this module is built. This is optional, there is a
// reasonable default message.
Message *string
}
type removedPackageModule struct {
ModuleBase
properties removedPackageModuleProps
}
// removed_package will cause a build failure when it's included in PRODUCT_PACKAGES. It's needed
// because currently you can add non-existent packages to PRODUCT_PACKAGES, and the build will
// not notice/complain, unless you opt-into enforcement via $(call enforce-product-packages-exist).
// Opting into the enforcement is difficult in some cases, because a package exists on some source
// trees but not on others. removed_package is an intermediate solution that allows you to remove
// a package and still get an error if it remains in PRODUCT_PACKAGES somewhere.
func removedPackageModuleFactory() Module {
m := &removedPackageModule{}
InitAndroidModule(m)
m.AddProperties(&m.properties)
return m
}
var removedPackageRule = pctx.AndroidStaticRule("removed_package", blueprint.RuleParams{
Command: "echo $message && false",
}, "message")
func (m *removedPackageModule) GenerateAndroidBuildActions(ctx ModuleContext) {
// Unchecked module so that checkbuild doesn't fail
ctx.UncheckedModule()
out := PathForModuleOut(ctx, "out.txt")
message := fmt.Sprintf("%s has been removed, and can no longer be used.", ctx.ModuleName())
if m.properties.Message != nil {
message = *m.properties.Message
}
ctx.Build(pctx, BuildParams{
Rule: removedPackageRule,
Output: out,
Args: map[string]string{
"message": proptools.ShellEscape(message),
},
})
ctx.InstallFile(PathForModuleInstall(ctx, "removed_module"), ctx.ModuleName(), out)
}
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