#!/bin/bash
#
# Code coverage generation
set -e -o pipefail

COVERAGE_DIR="${COVERAGE_DIR:-build/coverage}"

PKG_LIST=$(go list ./... | grep -v "vendor" | grep -v "chain33/test" | grep -v "mock" | grep -v "mocks")

# Create the coverage files directory
mkdir -p "$COVERAGE_DIR"

# Create a coverage file for each package
for package in ${PKG_LIST}; do
    go test -parallel=8 -covermode=count -coverprofile "${COVERAGE_DIR}/${package##*/}.cov" "$package"
done

# Merge the coverage profile files
echo 'mode: count' >./coverage.cov
tail -q -n +2 "${COVERAGE_DIR}"/*.cov >>./coverage.cov

# Display the global code coverage
go tool cover -func=./coverage.cov

# If needed, generate HTML report
if [ "$1" == "html" ]; then
    go tool cover -html=./coverage.cov -o coverage.html
fi

# Remove the coverage files directory
rm -rf "$COVERAGE_DIR"