#!/bin/sh

set -e

SRCROOT="$(realpath $(pwd))"
OBJROOT="/tmp/llbuild-cov.obj"

# Run a build and test cycle with --coverage enabled to generate the .gcda data.
if false; then
    echo "note: building with xcodebuild into '${OBJROOT}'..."
    time xcodebuild \
        -scheme test \
        OBJROOT="${OBJROOT}" \
        SYMROOT="${OBJROOT}/sym" \
        DSTROOT="${OBJROOT}/dst" \
        CCHROOT="${OBJROOT}/cch" \
        OTHER_CFLAGS="--coverage" OTHER_LDFLAGS="--coverage" &> /tmp/llbuild-cov.log
else
    echo "note: building with llbuild into '${OBJROOT}'"
    mkdir -p ${OBJROOT}
    (cd ${OBJROOT} &&
     cmake -G Ninja -DCMAKE_CXX_FLAGS=--coverage -DCMAKE_CXX_COMPILER=/tmp/apple-clang-r442221-t20150326_090132-b26188/usr/bin/clang++ ${SRCROOT} &&
     xcrun llbuild ninja build --chdir ${OBJROOT} test) &> /tmp/llbuild-cov.log
fi

# Use zcov to generate a coverage report.
rm -rf build/llbuild.zcov build/llbuild-cov
mkdir -p build/llbuild-cov
zcov scan build/llbuild.zcov "${OBJROOT}"
zcov summarize --root "${SRCROOT}" --prune "/utils/" --prune "/unittests/" build/llbuild.zcov
zcov genhtml --root "${SRCROOT}" --prune "/utils/" --prune "/unittests/" --hide-branches build/llbuild.zcov build/llbuild-cov