Merge pull request #50 from devilbox/release-0.47

Ensure xargs with with -P option

Author: cytopia

tests/03-test-xargs.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+set -e
+set -u
+set -o pipefail
+
+CWD="$(cd -P -- "$(dirname -- "$0")" && pwd -P)"
+
+IMAGE="${1}"
+#NAME="${2}"
+#VERSION="${3}"
+TAG="${4}"
+ARCH="${5}"
+
+
+###
+### Load Library
+###
+# shellcheck disable=SC1091
+. "${CWD}/.lib.sh"
+
+
+RAND_NAME="$( get_random_name )"
+
+###
+### Startup container
+###
+FILES="$( \
+run "docker run --rm --platform ${ARCH} \
+ -e DEBUG_ENTRYPOINT=2 \
+ -e DEBUG_RUNTIME=1 \
+ -e NEW_UID=$( id -u ) \
+ -e NEW_GID=$( id -g ) \
+ --entrypoint=bash \
+ --name ${RAND_NAME} ${IMAGE}:${TAG} -c '
+	find /lib -print0 | xargs -n1 -0 -P 2
+ '"
+)"
+
+if [ -z "${FILES}" ]; then
+	>&2 echo "Error, no files found with 'find' and 'xargs'"
+	exit 1
+fi
+
+echo "[OK]  xargs works"