AAPT2: Insert platformBuild information

Inserts platformBuildVersionName and platformBuildVersionName when the
attributes are not currrently present. The attributes are set to
the values of versionName and versionCode.

Bug: 77541121
Test: Build apk using aapt and appt2 and dumped using xmltree to confirm
the presence of the attributes
Change-Id: I5330381905c878fb877214b42f83d7e2e48cd062

2 files changed, 69 insertions, 0 deletions

diff --git a/tools/aapt2/link/ManifestFixer.cpp b/tools/aapt2/link/ManifestFixer.cpp
index 165702ca42cd..bfff1487d4be 100644
--- a/tools/aapt2/link/ManifestFixer.cpp
+++ b/tools/aapt2/link/ManifestFixer.cpp
@@ -275,6 +275,23 @@ bool ManifestFixer::BuildRules(xml::XmlActionExecutor* executor,
                            options_.version_code_default.value()});
       }
     }
+
+    if (el->FindAttribute("", "platformBuildVersionCode") == nullptr) {
+      auto versionCode = el->FindAttribute(xml::kSchemaAndroid, "versionCode");
+      if (versionCode != nullptr) {
+        el->attributes.push_back(xml::Attribute{"", "platformBuildVersionCode",
+                                                versionCode->value});
+      }
+    }
+
+    if (el->FindAttribute("", "platformBuildVersionName") == nullptr) {
+      auto versionName = el->FindAttribute(xml::kSchemaAndroid, "versionName");
+      if (versionName != nullptr) {
+        el->attributes.push_back(xml::Attribute{"", "platformBuildVersionName",
+                                                versionName->value});
+      }
+    }
+
     return true;
   });
 
diff --git a/tools/aapt2/link/ManifestFixer_test.cpp b/tools/aapt2/link/ManifestFixer_test.cpp
index 8db937439c55..5f406e81f65d 100644
--- a/tools/aapt2/link/ManifestFixer_test.cpp
+++ b/tools/aapt2/link/ManifestFixer_test.cpp
@@ -556,6 +556,58 @@ TEST_F(ManifestFixerTest, UnexpectedElementsInManifest) {
   ASSERT_THAT(manifest, IsNull());
 }
 
+TEST_F(ManifestFixerTest, InsertPlatformBuildVersions) {
+  // Test for insertion when versionCode and versionName are included in the manifest
+  {
+    std::string input = R"(
+        <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="android"
+          android:versionCode="27" android:versionName="O"/>)";
+    std::unique_ptr<xml::XmlResource> manifest = Verify(input);
+    ASSERT_THAT(manifest, NotNull());
+
+    xml::Attribute* attr = manifest->root->FindAttribute("", "platformBuildVersionCode");
+    ASSERT_THAT(attr, NotNull());
+    EXPECT_THAT(attr->value, StrEq("27"));
+    attr = manifest->root->FindAttribute("", "platformBuildVersionName");
+    ASSERT_THAT(attr, NotNull());
+    EXPECT_THAT(attr->value, StrEq("O"));
+  }
+
+  // Test for insertion when versionCode and versionName defaults are specified
+  {
+    std::string input = R"(
+      <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="android"/>)";
+    ManifestFixerOptions options;
+    options.version_code_default = {"27"};
+    options.version_name_default = {"O"};
+    std::unique_ptr<xml::XmlResource> manifest = VerifyWithOptions(input, options);
+    ASSERT_THAT(manifest, NotNull());
+
+    xml::Attribute* attr = manifest->root->FindAttribute("", "platformBuildVersionCode");
+    ASSERT_THAT(attr, NotNull());
+    EXPECT_THAT(attr->value, StrEq("27"));
+    attr = manifest->root->FindAttribute("", "platformBuildVersionName");
+    ASSERT_THAT(attr, NotNull());
+    EXPECT_THAT(attr->value, StrEq("O"));
+  }
+
+  // Test that the platform build version attributes are not changed if they are currently present
+  {
+    std::string input = R"(
+        <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="android"
+          android:versionCode="28" android:versionName="P"
+          platformBuildVersionCode="27" platformBuildVersionName="O"/>)";
+    std::unique_ptr<xml::XmlResource> manifest = Verify(input);
+    ASSERT_THAT(manifest, NotNull());
+
+    xml::Attribute* attr = manifest->root->FindAttribute("", "platformBuildVersionCode");
+    ASSERT_THAT(attr, NotNull());
+    EXPECT_THAT(attr->value, StrEq("27"));
+    attr = manifest->root->FindAttribute("", "platformBuildVersionName");
+    ASSERT_THAT(attr, NotNull());
+    EXPECT_THAT(attr->value, StrEq("O"));
+  }
+}
 
 TEST_F(ManifestFixerTest, UsesLibraryMustHaveNonEmptyName) {
   std::string input = R"(