+elif [ "$1" = 'coverage' ]; then
+ DIR="${2:-./coverage}"
+ git clean -dfX # remove ignored build artefacts for a clean start
+ make CFLAGS+='--coverage' CXXFLAGS+='--coverage'
+ LCOVRC='--rc geninfo_checksum=1 --rc lcov_branch_coverage=1'
+ mkdir "$DIR"
+ lcov --no-external --directory . --capture --initial --output-file "${DIR}/apt.coverage.init" ${LCOVRC}
+ make test || true
+ ./test/integration/run-tests -q || true
+ lcov --no-external --directory . --capture --output-file "${DIR}/apt.coverage.run" ${LCOVRC}
+ lcov -a "${DIR}/apt.coverage.init" -a "${DIR}/apt.coverage.run" -o "${DIR}/apt.coverage.total" ${LCOVRC}
+ cp "${DIR}/apt.coverage.total" "${DIR}/apt.coverage.fixed"
+ rewritefile() {
+ file="$1"
+ shift
+ name="$(basename "$file")"
+ while [ -n "$1" ]; do
+ if [ -r "$1/$name" ]; then
+ sed -i "s#$file#$1/$name#" "${DIR}/apt.coverage.fixed"
+ break
+ fi
+ shift
+ done
+ if [ -z "$1" ]; then
+ echo >&2 "Coverage data captured for unknown file $file"
+ fi
+ }
+ grep 'build/include/' "${DIR}/apt.coverage.fixed" | sed "s#^SF:$(pwd)/##" | while read file; do
+ rewritefile "$file" 'apt-pkg' 'apt-pkg/deb' 'apt-pkg/edsp' 'apt-pkg/contrib' \
+ 'apt-inst' 'apt-inst/deb' 'apt-inst/contrib' 'apt-private'
+ done
+ genhtml --output-directory "${DIR}" "${DIR}/apt.coverage.fixed" ${LCOVRC}