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#!/bin/bash
# SPDX-License-Identifier: Apache-2.0
# umoci: Umoci Modifies Open Containers' Images
# Copyright (C) 2016-2025 SUSE LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -Eeuo pipefail
function info() {
echo "[i]" "$@" >&2
}
function bail() {
echo "[!]" "$@" >&2
exit 1
}
function join() {
local delim="${1:-}" ret="${2:-}"
if [ "$#" -ge 2 ] && shift 2
then
printf "%s" "$ret" "${@/#/$delim}"
fi
echo
}
GETOPT="$(getopt -o "m:t:F" --long "merge:,textfmt:,func" -- "$@")"
eval set -- "$GETOPT"
merge=
textfmt=
func=
while true
do
opt="$1"
shift
case "$opt" in
-m|--merge)
merge="$1"
shift
;;
-t|--textfmt)
textfmt="$1"
shift
;;
-F|--func)
func=1
;;
--)
break
;;
*)
bail "unknown flag $opt"
;;
esac
done
# We need to comma-separate the passed GOCOVERDIRs for go tool covdata.
gocoverdir="$(join , "$@")"
if [ -n "$merge" ]
then
info "merging coverage data into $merge gocoverdir"
mkdir -p "$merge"
go tool covdata merge -i="$gocoverdir" -o="$merge"
fi
if [ -n "$textfmt" ]
then
info "converting coverage data into textfmt $textfmt"
go tool covdata textfmt -i="$gocoverdir" -o="$textfmt"
fi
if [ -n "$func" ]
then
coverage_data="$(go tool covdata func -i="$gocoverdir")"
# Sort the coverage of all of the functions. This helps eye-ball what parts of
# the project don't have enough test coverage.
grep -Ev '^total\s' <<<"$coverage_data" | sort -k 3gr
# Now find the coverage percentage, to check against the hardcoded lower limit.
total="$(grep '^total\s' <<<"$coverage_data" | sed -E 's|^[^[:digit:]]*([[:digit:]]+\.[[:digit:]]+)%$|\1|')"
CUTOFF="80.0"
echo "=== TOTAL COVERAGE: ${total}% ==="
if (( "$(echo "$total < $CUTOFF" | bc)" ))
then
echo "ERROR: Test coverage has fallen below hard cutoff of $CUTOFF."
echo " Failing this CI run, as test coverage is a hard limit."
exit 64
fi
fi
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