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#!/usr/bin/env bash
# Scenario 06: well-known type imports
# Usage: bash gen.sh
set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
GOCTL_ROOT="$(cd "$SCRIPT_DIR/../../../.." && pwd)"
GOCTL="$GOCTL_ROOT/bin/goctl"
OUT="$SCRIPT_DIR/output"
# Find well-known types include path
PROTOC_INCLUDE=""
PROTOC_BIN="$(which protoc 2>/dev/null || true)"
if [ -n "$PROTOC_BIN" ]; then
CANDIDATE="$(cd "$(dirname "$PROTOC_BIN")/.." && pwd)/include"
[ -f "$CANDIDATE/google/protobuf/timestamp.proto" ] && PROTOC_INCLUDE="$CANDIDATE"
fi
if [ -z "$PROTOC_INCLUDE" ]; then
for d in /opt/homebrew/include /usr/local/include; do
[ -f "$d/google/protobuf/timestamp.proto" ] && PROTOC_INCLUDE="$d" && break
done
fi
if [ -z "$PROTOC_INCLUDE" ]; then
echo "Error: cannot find google/protobuf/timestamp.proto. Install protobuf (brew install protobuf)."
exit 1
fi
echo "Well-known types: $PROTOC_INCLUDE"
# Build goctl from source
go build -o "$GOCTL" "$GOCTL_ROOT"
# Clean and initialize output directory
rm -rf "$OUT" && mkdir -p "$OUT/pb"
(cd "$OUT" && go mod init example.com/demo/s06_wellknown > /dev/null 2>&1)
# Generate code
cd "$SCRIPT_DIR"
"$GOCTL" rpc protoc events.proto \
--go_out="$OUT/pb" \
--go-grpc_out="$OUT/pb" \
--zrpc_out="$OUT/rpc" \
--go_opt=paths=source_relative \
--go-grpc_opt=paths=source_relative \
--proto_path=. \
--proto_path="$PROTOC_INCLUDE"
# Verify build
echo "Running go mod tidy..."
cd "$OUT" && go mod tidy
echo "Checking build..."
if go build ./...; then
echo "✅ Build passed"
else
echo "❌ Build failed"
exit 1
fi
echo "Done. Output: $OUT"