Generate Maven metadata files for engine artifacts (#22685)

flutter · Dec 2, 2020 · 1358fda · 1358fda
1 parent b63e911
commit 1358fda
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Showing 2 changed files with 41 additions and 2 deletions.
diff --git a/shell/platform/android/BUILD.gn b/shell/platform/android/BUILD.gn
@@ -403,7 +403,10 @@ action("pom_libflutter") {
   artifact_id =
       string_replace(android_app_abi, "-", "_") + "_" + flutter_runtime_mode
 
-  outputs = [ "$root_build_dir/$artifact_id.pom" ]
+  outputs = [
+    "$root_build_dir/$artifact_id.pom",
+    "$root_build_dir/$artifact_id.maven-metadata.xml",
+  ]
 
   args = [
     "--destination",
@@ -422,7 +425,10 @@ action("pom_embedding") {
 
   artifact_id = "flutter_embedding_$flutter_runtime_mode"
 
-  outputs = [ "$root_build_dir/$artifact_id.pom" ]
+  outputs = [
+    "$root_build_dir/$artifact_id.pom",
+    "$root_build_dir/$artifact_id.maven-metadata.xml",
+  ]
 
   args = [
     "--destination",

diff --git a/tools/androidx/generate_pom_file.py b/tools/androidx/generate_pom_file.py
@@ -4,6 +4,7 @@
 # found in the LICENSE file.
 
 import argparse
+import datetime
 import os
 import sys
 import json
@@ -34,6 +35,33 @@
     </dependency>
 '''
 
+MAVEN_METADATA_CONTENT ='''
+<metadata xmlns="http://maven.apache.org/METADATA/1.1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/METADATA/1.1.0 http://maven.apache.org/xsd/metadata-1.1.0.xsd" modelVersion="1.1.0">
+  <groupId>io.flutter</groupId>
+  <artifactId>{0}</artifactId>
+  <version>{1}</version>
+  <versioning>
+    <versions>
+      <version>{1}</version>
+    </versions>
+    <snapshot>
+      <timestamp>{2}</timestamp>
+      <buildNumber>0</buildNumber>
+    </snapshot>
+    <snapshotVersions>
+      <snapshotVersion>
+        <extension>jar</extension>
+        <value>{1}</value>
+      </snapshotVersion>
+      <snapshotVersion>
+        <extension>pom</extension>
+        <value>{1}</value>
+      </snapshotVersion>
+    </snapshotVersions>
+  </versioning>
+</metadata>
+'''
+
 def main():
   with open (os.path.join(THIS_DIR, 'files.json')) as f:
     dependencies = json.load(f)
@@ -67,5 +95,10 @@ def main():
   with open(os.path.join(args.destination, out_file_name), 'w') as f:
     f.write(POM_FILE_CONTENT.format(engine_artifact_id, artifact_version, pom_dependencies))
 
+  # Write the Maven metadata file.
+  with open(os.path.join(args.destination, '%s.maven-metadata.xml' % engine_artifact_id), 'w') as f:
+    timestamp = datetime.datetime.utcnow().strftime("%Y%m%d.%H%M%S")
+    f.write(MAVEN_METADATA_CONTENT.format(engine_artifact_id, artifact_version, timestamp))
+
 if __name__ == '__main__':
   sys.exit(main())