DockerCLI/scripts/warn-outside-container

19 lines
438 B
Bash
Executable File

#!/usr/bin/env sh
set -eu
target="${1:-}"
if [ "$target" != "help" ] && [ -z "${DISABLE_WARN_OUTSIDE_CONTAINER:-}" ]; then
(
echo
echo
echo "WARNING: you are not in a container."
echo "Use \"make -f docker.Makefile $target\" or set"
echo "DISABLE_WARN_OUTSIDE_CONTAINER=1 to disable this warning."
echo
echo "Press Ctrl+C now to abort."
echo
) >&2
sleep 10
fi