Shade androidx.room.compiler dependencies in Dagger.

This CL also adds a python script that will validate each jar deployed through deploy-library.sh to prevent unexpected classes from leaking into our deployed jars in the future.

RELNOTES=N/A
PiperOrigin-RevId: 488388271

Author: bcorso

util/deploy-dagger.sh

@@ -54,7 +54,7 @@ _deploy \
 # This artifact uses the shaded classes from dagger-spi, so we use the same
 # shading rules so that our references to those classes are shaded the same way.
 _deploy \
-  "com.google.auto.common,dagger.spi.shaded.auto.common;androidx.room.compiler.processing,dagger.spi.shaded.androidx.room.compiler.processing" \
+  "com.google.auto.common,dagger.spi.shaded.auto.common;androidx.room.compiler,dagger.spi.shaded.androidx.room.compiler" \
   java/dagger/internal/codegen/artifact.jar \
   java/dagger/internal/codegen/pom.xml \
   java/dagger/internal/codegen/artifact-src.jar \
@@ -70,7 +70,7 @@ _deploy \
   ""
 
 _deploy \
-  "com.google.auto.common,dagger.spi.shaded.auto.common;androidx.room.compiler.processing,dagger.spi.shaded.androidx.room.compiler.processing" \
+  "com.google.auto.common,dagger.spi.shaded.auto.common;androidx.room.compiler,dagger.spi.shaded.androidx.room.compiler" \
   java/dagger/spi/artifact.jar \
   java/dagger/spi/pom.xml \
   java/dagger/spi/artifact-src.jar \

util/deploy-library.sh

@@ -33,6 +33,9 @@ deploy_library() {
     library="${library%.*}-shaded.${library##*.}"
   fi
 
+  # Validate that the classes in the library jar begin with expected prefixes.
+  validate_jar $(bazel_output_file $library)
+
   # TODO(bcorso): Consider moving this into the "gen_maven_artifact" macro, this
   # requires having the version checked-in for the build system.
   add_tracking_version \
@@ -98,6 +101,20 @@ add_tracking_version() {
   fi
 }
 
+validate_jar() {
+  local library=$1
+  if [[ $library == */gwt/libgwt.jar ]]; then
+     python $(dirname $0)/validate-jar-entry-prefixes.py \
+        $library "dagger/,META-INF/,javax/inject/"
+  elif [[ $library == */java/dagger/hilt/android/artifact.aar ]]; then
+     python $(dirname $0)/validate-jar-entry-prefixes.py \
+        $library "dagger/,META-INF/,hilt_aggregated_deps/"
+  else
+     python $(dirname $0)/validate-jar-entry-prefixes.py \
+        $library "dagger/,META-INF/"
+  fi
+}
+
 add_automatic_module_name_manifest_entry() {
   local library=$1
   local module_name=$2

util/validate-jar-entry-prefixes.py

@@ -0,0 +1,53 @@
+"""Validates classes in the deployed jar are all within the expected packages.
+
+   Usage:
+   python validate-jar-entry-prefixes.py <jar-file> <comma-separated-prefixes>
+"""
+import re
+import shutil
+import sys
+import tempfile
+import zipfile
+
+
+def main(argv):
+  if len(argv) > 3:
+    raise Exception('Expected only two arguments but got {0}'.format(len(argv)))
+
+  jar_file, prefixes = argv[-2:]
+  prefixes_pattern = re.compile('|'.join(prefixes.split(',')))
+
+  invalid_entries = []
+  if jar_file.endswith('.jar'):
+    invalid_entries = _invalid_entries(jar_file, prefixes_pattern)
+  elif jar_file.endswith('.aar'):
+    dirpath = tempfile.mkdtemp()
+    with zipfile.ZipFile(jar_file, 'r') as zip_file:
+      class_file = zip_file.extract('classes.jar', dirpath)
+      invalid_entries = _invalid_entries(class_file, prefixes_pattern)
+    shutil.rmtree(dirpath)
+  else:
+    raise Exception('Invalid jar file: {0}'.format(jar_file))
+
+  if invalid_entries:
+    raise Exception(
+        'Found invalid entries in {0} that do not match one of the allowed prefixes ({1}):\n    {2}'
+        .format(
+            jar_file,
+            ', '.join(['"{0}"'.format(p) for p in prefixes.split(',')]),
+            '\n    '.join(invalid_entries))
+        )
+
+
+def _invalid_entries(jar_file, prefixes_pattern):
+  invalid_entries = []
+  with zipfile.ZipFile(jar_file, 'r') as zip_file:
+    for info in zip_file.infolist():
+      if not info.is_dir():
+        if not prefixes_pattern.match(info.filename):
+          invalid_entries.append(info.filename)
+  return invalid_entries
+
+
+if __name__ == '__main__':
+  main(sys.argv)