WIP3

roles/linux-system-roles.network/tests/merge-coverage.sh

@@ -0,0 +1,35 @@
+#! /bin/bash
+# SPDX-License-Identifier: BSD-3-Clause
+
+if [ -n "${DEBUG}" ]
+then
+    set -x
+fi
+set -e
+
+if [ "$#" -lt 3 ]
+then
+    echo "USAGE: ${0} path_to_coverage_binary output_file input_files..."
+    echo "Merges all input_files into output file without removing input_files"
+    exit 1
+fi
+
+# path to coverage binary
+coverage="${1}"
+shift
+
+# read by coverage binary
+export COVERAGE_FILE="${1}"
+shift
+
+tempdir="$(mktemp -d /tmp/coverage_merge-XXXXXX)"
+trap "rm -rf '${tempdir}'" EXIT
+
+cp --backup=numbered -- "${@}" "${tempdir}"
+# FIXME: Would not work if coverage files are not hidden but they are by
+# default
+shopt -s dotglob
+"${coverage}" combine "${tempdir}/"*
+
+echo "Merged data into ${COVERAGE_FILE}"
+./covstats "${COVERAGE_FILE}"