#!/bin/bash

# Copyright 2026 Google LLC

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# https://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

set -o pipefail

TARGETS=(

"//publish:cel"

"//publish:cel_common"

"//publish:cel_compiler"

"//publish:cel_runtime"

"//publish:cel_protobuf"

"//publish:cel_v1alpha1"

)

echo "------------------------------------------------"

echo "Checking for duplicates..."

echo "------------------------------------------------"

JDK8_FLAGS="--java_language_version=8 --java_runtime_version=8"

bazel build $JDK8_FLAGS "${TARGETS[@]}" || { echo "Bazel build failed"; exit 1; }

(

for target in "${TARGETS[@]}"; do

# Locate the jar

jar_path=$(bazel cquery "$target" --output=files 2>/dev/null | grep '\-project.jar$')

if [[ -z "$jar_path" ]]; then

echo "Error: Could not find -project.jar for target $target" >&2

exit 1

fi

# Fix relative paths if running from a subdir.

if [[ ! -f "$jar_path" ]]; then

if [[ -f "../../$jar_path" ]]; then

jar_path="../../$jar_path"

else

echo "Error: File not found at $jar_path" >&2

exit 1

fi

fi

echo "Inspecting: $target" >&2

# Extract classes and append the target name to the end of the line

# Format: dev/cel/expr/Expr.class //publish:cel_compiler

jar tf "$jar_path" | grep "\.class$" | awk -v tgt="$target" '{print $0, tgt}'

done

) | awk '

# $1 is the Class Name, $2 is the Target Name

seen[$1] {

print "❌ DUPLICATE FOUND: " $1

print " Present in: " seen[$1]

print " And in: " $2

dupe=1

next

}

{ seen[$1] = $2 }

END { if (dupe) exit 2 }

'

EXIT_CODE=$?

if [ $EXIT_CODE -eq 0 ]; then

echo "✅ Success: No duplicate classes found."

elif [ $EXIT_CODE -eq 2 ]; then

echo "⛔ Failure: Duplicate classes detected."

else

echo "💥 Error: An unexpected error occurred (e.g., missing jar files). Exit Code: $EXIT_CODE"

fi

exit $EXIT_CODE