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|
#!/bin/bash
show_help() {
echo "usage: snapd.tool [OPTIONS] exec <TOOL> [ARGS]"
echo
echo "Available options:"
echo " -h --help show this help message."
echo
echo "The snapd.tool program simplifies running internal tools,"
echo "like snap-discard-ns, which are not on PATH and whose"
echo "location varies from one distribution to another"
}
main() {
if [ $# -eq 0 ]; then
show_help
exit 0
fi
tool=""
while [ $# -gt 0 ]; do
case "${1:-}" in
-h|--help)
show_help
exit 0
;;
exec)
shift
tool="${1:-}" # empty value checked below
shift
break
;;
--)
shift
break
;;
-*)
echo "snapd.tool: unsupported argument $1" >&2
show_help
exit 1
;;
*)
echo "snapd.tool: unsupported argument $1" >&2
show_help
exit 1
;;
esac
done
# Use the tool from the snapd snap when re-exec is enabled
# Otherwise use the tool from the distro installation
if tests.info is-reexec-in-use; then
MOUNT_DIR="$(os.paths snap-mount-dir)"
exec "$MOUNT_DIR"/snapd/current/usr/lib/snapd/"$tool" "$@"
else
LIBEXEC_DIR="$(os.paths libexec-dir)"
exec "$LIBEXEC_DIR/snapd/$tool" "$@"
fi
}
main "$@"
|
