mirror of
https://github.com/clockworklabs/SpacetimeDB.git
synced 2026-05-11 02:00:04 -04:00
Jason Larabie
134 lines
4.4 KiB
Bash
134 lines
4.4 KiB
Bash
#!/bin/bash
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# Script to regenerate C++ SDK client from latest lib.cpp build
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# This ensures we're always comparing against the most current C++ module
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set -e # Exit on any error
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# Detect the correct emcmake command for cross-platform compatibility
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detect_emcmake_command() {
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if command -v emcmake >/dev/null 2>&1; then
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echo "emcmake"
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elif command -v emcmake.bat >/dev/null 2>&1; then
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echo "emcmake.bat"
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elif [ -n "$EMSDK" ] && [ -f "$EMSDK/emcmake.bat" ]; then
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echo "$EMSDK/emcmake.bat"
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else
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echo "emcmake" # fallback, will fail with clear error
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fi
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}
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EMCMAKE_CMD=$(detect_emcmake_command)
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echo "Using emcmake command: $EMCMAKE_CMD"
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CPP_DIR="cpp-sdk-test"
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SDK_TEST_DIR=$(realpath "../../../../modules/sdk-test-cpp")
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WASM_PATH="$SDK_TEST_DIR/build/lib.wasm"
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CLI_PATH=$(realpath "../../../../target/release/spacetimedb-cli")
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NUM_CORES=16
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# Check if rebuild is needed
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check_needs_rebuild() {
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local wasm_file="$1"
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local source_dir="$2"
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local lib_dir="../.." # Path to bindings-cpp
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# If WASM doesn't exist, we need to build
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if [ ! -f "$wasm_file" ]; then
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return 0 # true - needs rebuild
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fi
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# Find the newest source file in sdk-test-cpp
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local newest_src=$(find "$source_dir/src" "$source_dir/include" -type f \( -name "*.cpp" -o -name "*.h" \) -printf '%T@\n' 2>/dev/null | sort -n | tail -1)
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# Find the newest library file in bindings-cpp
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local newest_lib=$(find "$lib_dir/include" "$lib_dir/src" -type f \( -name "*.cpp" -o -name "*.h" \) -printf '%T@\n' 2>/dev/null | sort -n | tail -1)
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# Get WASM modification time
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local wasm_time=$(stat -c %Y "$wasm_file" 2>/dev/null || echo 0)
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# Check if any source is newer than WASM
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if [ -n "$newest_src" ] && [ $(echo "$newest_src" | cut -d. -f1) -gt $wasm_time ]; then
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return 0 # true - needs rebuild
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fi
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# Check if any library file is newer than WASM
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if [ -n "$newest_lib" ] && [ $(echo "$newest_lib" | cut -d. -f1) -gt $wasm_time ]; then
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return 0 # true - needs rebuild
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fi
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return 1 # false - no rebuild needed
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}
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echo "Regenerating C++ SDK client from latest lib.cpp build..."
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echo "========================================================="
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# Check if lib.cpp needs rebuilding
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if check_needs_rebuild "$WASM_PATH" "$SDK_TEST_DIR"; then
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echo "Source files changed - rebuilding lib.cpp with $NUM_CORES cores..."
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echo "-----------------------------------------"
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cd "$SDK_TEST_DIR"
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# Check if build directory exists, if not configure it
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if [ ! -d "build" ]; then
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echo "Configuring build directory..."
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$EMCMAKE_CMD cmake -B build -DMODULE_SOURCE=src/lib.cpp -DOUTPUT_NAME=lib
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fi
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# Build with parallel compilation
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echo "Building lib.wasm..."
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cmake --build build -j$NUM_CORES
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if [ ! -f "$WASM_PATH" ]; then
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echo "ERROR: Build succeeded but lib.wasm not found at $WASM_PATH"
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echo "Build may have produced a different output file."
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exit 1
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fi
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echo "✅ lib.cpp built successfully!"
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echo "WASM size: $(du -h "$WASM_PATH" | cut -f1)"
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echo ""
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# Return to the client-comparison directory
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cd - > /dev/null
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else
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echo "✅ No source changes detected - using existing lib.wasm"
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echo "WASM size: $(du -h "$WASM_PATH" | cut -f1)"
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echo ""
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fi
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if [ ! -f "$CLI_PATH" ]; then
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echo "ERROR: SpacetimeDB CLI not found at $CLI_PATH"
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echo "Please build the CLI first, from the project root:"
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echo " cargo build --release -p spacetimedb-cli"
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exit 1
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fi
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# Clear existing C++ client directory
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echo "Clearing existing C++ client directory..."
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if [ -d "$CPP_DIR" ]; then
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rm -rf "$CPP_DIR"/*
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echo "Cleared $CPP_DIR/"
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else
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mkdir -p "$CPP_DIR"
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echo "Created $CPP_DIR/"
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fi
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# Generate new C++ client
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echo "Generating new C++ client from lib.wasm..."
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cd "$CPP_DIR"
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"$CLI_PATH" generate --lang rust --out-dir . --bin-path "$WASM_PATH" >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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echo ""
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echo "✅ C++ SDK client regenerated successfully!"
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echo "Files generated: $(find . -name "*.rs" | wc -l)"
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echo ""
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echo "Next steps:"
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echo " 1. Run ./compare_clients.sh to generate new comparison"
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echo " 2. Review client_diff_analysis.txt for updated differences"
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else
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echo ""
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echo "❌ Client generation failed!"
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echo "Check the error messages above for details."
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exit 1
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fi |