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Commit f402058d authored by Jiyong Park's avatar Jiyong Park
Browse files

Add future_updatable to the apex module 

The new property is used to mimic some of the build behaviors that
currently are applied only when an APEX is `updatable: true`. This
property is helpful to minimize the sudden impact (e.g. change in size)
when an APEX becomes updatable.

Currently, the behavior that this property mimics is the disabling of
the size optimization.

Bug: 207336449
Test: m
Change-Id: I500306afa1221625fda3e89a8d12d5d341791a1f
parent 23d5d986

apex/apex.go

+16 −1
Original line number Diff line number Diff line
@@ -130,6 +130,13 @@ type apexBundleProperties struct { 
	// symlinking to the system libs. Default is true.

	Updatable *bool



	// Marks that this APEX is designed to be updatable in the future, although it's not

	// updatable yet. This is used to mimic some of the build behaviors that are applied only to

	// updatable APEXes. Currently, this disables the size optimization, so that the size of

	// APEX will not increase when the APEX is actually marked as truly updatable. Default is

	// false.

	Future_updatable *bool



	// Whether this APEX can use platform APIs or not. Can be set to true only when `updatable:

	// false`. Default is false.

	Platform_apis *bool
@@ -1306,6 +1313,10 @@ func (a *apexBundle) Updatable() bool { 
	return proptools.BoolDefault(a.properties.Updatable, true)

}



func (a *apexBundle) FutureUpdatable() bool {

	return proptools.BoolDefault(a.properties.Future_updatable, false)

}



func (a *apexBundle) UsePlatformApis() bool {

	return proptools.BoolDefault(a.properties.Platform_apis, false)

}
@@ -2105,10 +2116,11 @@ func (a *apexBundle) GenerateAndroidBuildActions(ctx android.ModuleContext) { 
	}



	forced := ctx.Config().ForceApexSymlinkOptimization()

	updatable := a.Updatable() || a.FutureUpdatable()



	// We don't need the optimization for updatable APEXes, as it might give false signal

	// to the system health when the APEXes are still bundled (b/149805758).

	if !forced && a.Updatable() && a.properties.ApexType == imageApex {

	if !forced && updatable && a.properties.ApexType == imageApex {

		a.linkToSystemLib = false

	}
@@ -2380,6 +2392,9 @@ func (a *apexBundle) checkUpdatable(ctx android.ModuleContext) { 
		if a.SocSpecific() || a.DeviceSpecific() {

			ctx.PropertyErrorf("updatable", "vendor APEXes are not updatable")

		}

		if a.FutureUpdatable() {

			ctx.PropertyErrorf("future_updatable", "Already updatable. Remove `future_updatable: true:`")

		}

		a.checkJavaStableSdkVersion(ctx)

		a.checkClasspathFragments(ctx)

	}