ros2_ws_same_versions

#!/bin/bash

set -e

# This checks all ROS packages in the workspace have the same version

# Arguments parsing
# Example:
# ./ros2_ws_same_versions_lint --src="./workspace/src"
help() {
usage="$(basename "$0") --src=<SRC> [--regex=<REGEX>] [ --help ]

Check all ROS packages in the workspace have the same version

Arguments:
--help   Show this help text
--src    Source folder of all ros packages (mandatory)
--regex  Package name need to match a regex (optional, Default=\".*\")
"
    echo "${usage}"
}

for i in "$@"
do
case $i in
    --src=*)
    SRC="${i#*=}"
    shift # past argument=value
    ;;
    --regex=*)
    REGEX="${i#*=}"
    shift # past argument=value
    ;;
    --help)
    HELP=YES
    shift # past argument with no value
    ;;
    *)
    # unknown option
    ;;
esac
done

# Arguments check
if [ -n "${HELP}" ]; then
    help
    exit 0
fi

if [ -z "${SRC}" ]; then
    help
    exit 1
fi

if [ -z "${REGEX}" ]; then
    REGEX=".*"
fi

# Will throw an error if not installed
if ! command -v xmllint &> /dev/null
then
    echo "xmllint could not be found. Please install it"
    exit 1
fi

# Checking package.xml

result=$(find "${SRC}" -maxdepth 2 -regextype egrep -regex ".*${REGEX}/package.xml" -exec xmllint --xpath 'package/version/text()' {} \; |  tr '\n' ' ')
array=()
IFS=', ' read -r -a array <<< "${result}"

version="${array[0]}"

if [ ! "${#array[@]}" -gt 0 ] && [ "$(printf "%s\000" "${array[@]}" | LC_ALL=C sort -z -u | grep -z -c .)" -eq 1 ] ; then
    echo "Version is different in all packages: ${result}"
    exit 1
fi

# Checking setup.py
# shellcheck disable=SC2044
for file in $(find "${SRC}" -name setup.py); do
    if ! grep -q "version=\"${version}\"" "${file}"; then
        cat "${file}"
        echo "Version is incorrect in ${file}. Should be ${version}"
        exit 1
    fi
done