entrypoint.sh

#!/bin/bash
set -e

# Get arguments
MEASUREMENTS_DIR="${1:-measurements}"
EXPECTATIONS_DIR="${2:-expectations}"
OUTPUT_PATH="${3:-output}"
CAFFEINE_VERSION="${4:-5.6.0}"

echo "Caffeine Language Compiler"
echo "=========================="

# Install the requested (pinned) Caffeine release. Default lives in action.yml.
TAG="v${CAFFEINE_VERSION#v}"
VERSION="${TAG#v}"
DOWNLOAD_URL="https://github.com/Brickell-Research/caffeine/releases/download/${TAG}/caffeine-${VERSION}-linux-x64.tar.gz"
echo "Installing Caffeine ${TAG} from ${DOWNLOAD_URL}"
cd /tmp
curl -fLo caffeine.tar.gz "$DOWNLOAD_URL"
tar -xzf caffeine.tar.gz
mv caffeine-*-linux-x64 /usr/local/bin/caffeine
chmod +x /usr/local/bin/caffeine
rm caffeine.tar.gz
cd - >/dev/null

# The repository files are mounted at /github/workspace
WORKSPACE="/github/workspace"

# Convert relative paths to absolute paths within the workspace
MEASUREMENTS_PATH="$WORKSPACE/$MEASUREMENTS_DIR"
EXPECTATIONS_PATH="$WORKSPACE/$EXPECTATIONS_DIR"
OUTPUT_FULL_PATH="$WORKSPACE/$OUTPUT_PATH"

echo "Measurements directory: $MEASUREMENTS_PATH"
echo "Expectations directory: $EXPECTATIONS_PATH"
echo "Output path: $OUTPUT_FULL_PATH"

# Check if measurements directory exists
if [ ! -d "$MEASUREMENTS_PATH" ]; then
    echo "Error: Measurements directory not found: $MEASUREMENTS_PATH"
    exit 1
fi

# Check if expectations directory exists
if [ ! -d "$EXPECTATIONS_PATH" ]; then
    echo "Error: Expectations directory not found: $EXPECTATIONS_PATH"
    exit 1
fi

echo "Found measurements and expectations directories"
echo ""

# Show Caffeine version
echo "Caffeine version:"
caffeine --version || echo "caffeine binary not found"
echo ""

# Create output directory if it doesn't exist and output_path looks like a directory
if [[ "$OUTPUT_PATH" != *.tf ]] && [[ "$OUTPUT_PATH" != *.json ]]; then
    mkdir -p "$OUTPUT_FULL_PATH"
fi

# Run Caffeine compiler
echo "Running Caffeine compiler..."
if caffeine compile "$MEASUREMENTS_PATH" "$EXPECTATIONS_PATH" "$OUTPUT_FULL_PATH"; then
    echo ""
    echo "Caffeine compilation SUCCESSFUL!"
    exit 0
else
    echo ""
    echo "Caffeine compilation FAILED!"
    echo "Check your measurement and expectation files for errors."
    exit 1
fi