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Implement fake vendor snapshot

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A fake vendor snapshot is a vendor snapshot whose prebuilt binaries and
captured headers are all empty. It's much faster to be built than the
real vendor snapshot, so users can exploit the fake vendor snapshot to
reduce the size of vendor snapshot they need, by installing the fake
snapshot and then inspecting the ninja dependencies.

Bug: 157967325
Test: m dist vendor-fake-snapshot
Change-Id: I5e16e8dbbf9dd5e753cdd471ca73d06984a6cb2c
This commit is contained in:
Inseob Kim
2021-01-05 20:03:22 +09:00
parent 77dcb9d768
commit e9aec6aaca
4 changed files with 58 additions and 8 deletions
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2
cc/snapshot_prebuilt.go
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@@ -94,6 +94,8 @@ func (vendorSnapshotImage) init() {
android.RegisterModuleType("vendor_snapshot_header", VendorSnapshotHeaderFactory)
android.RegisterModuleType("vendor_snapshot_binary", VendorSnapshotBinaryFactory)
android.RegisterModuleType("vendor_snapshot_object", VendorSnapshotObjectFactory)
android.RegisterSingletonType("vendor-fake-snapshot", VendorFakeSnapshotSingleton)
}
func (vendorSnapshotImage) shouldGenerateSnapshot(ctx android.SingletonContext) bool {