From 627e925463068e754ffd869f99a43634d6d9631e Mon Sep 17 00:00:00 2001
From: William Hubbs <w.d.hubbs@gmail.com>
Date: Thu, 3 Dec 2015 14:09:38 -0600
Subject: [PATCH] add support for -containers keyword

---
 man/openrc-run.8      |  3 +++
 sh/gendepends.sh.in   | 13 ++++++++++++-
 sh/openrc-run.sh.in   | 13 ++++++++++++-
 sh/rc-functions.sh.in | 21 +++++++++++++++++++++
 4 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/man/openrc-run.8 b/man/openrc-run.8
index 6aab067c..5d18fe59 100644
--- a/man/openrc-run.8
+++ b/man/openrc-run.8
@@ -227,6 +227,9 @@ Same as -jail, but for Xen DOM0 systems.
 Same as -jail, but for Xen DOMU systems.
 .It Dv -docker
 Same as -jail, but for docker systems.
+.It Dv -containers
+Same as -jail, but for all relevant container types on the operating
+system.
 .El
 .El
 .Pp
diff --git a/sh/gendepends.sh.in b/sh/gendepends.sh.in
index 36caeb7d..2ab798d9 100644
--- a/sh/gendepends.sh.in
+++ b/sh/gendepends.sh.in
@@ -29,7 +29,18 @@ provide() {
 	[ -n "$*" ] && echo "$RC_SVCNAME iprovide $*" >&3
 }
 keyword() {
-	[ -n "$*" ] && echo "$RC_SVCNAME keyword $*" >&3
+	local c x
+	set -- $*
+	while [ -n "$*" ]; do
+		case "$1" in
+			-containers) x="$(_get_containers)" ;;
+			!-containers) x="$(_get_containers_remove)" ;;
+			*) x=$1 ;;
+		esac
+		c="${c}${x} "
+		shift
+	done
+	[ -n "$c" ] && echo "$RC_SVCNAME keyword $c" >&3
 }
 depend() {
 	:
diff --git a/sh/openrc-run.sh.in b/sh/openrc-run.sh.in
index c1692048..5018cee6 100644
--- a/sh/openrc-run.sh.in
+++ b/sh/openrc-run.sh.in
@@ -79,7 +79,18 @@ provide() {
 	[ -n "$*" ] && echo "provide $*"
 }
 keyword() {
-	[ -n "$*" ] && echo "keyword $*"
+	local c x
+	set -- $*
+	while [ -n "$*" ]; do
+		case "$1" in
+			-containers) x="$(_get_containers)" ;;
+			!-containers) x="$(_get_containers_remove)" ;;
+			*) x=$1 ;;
+		esac
+		c="${c}${x} "
+		shift
+	done
+	[ -n "$c" ] && echo "keyword $c"
 }
 
 # Describe the init script to the user
diff --git a/sh/rc-functions.sh.in b/sh/rc-functions.sh.in
index c854876e..12eb4e2a 100644
--- a/sh/rc-functions.sh.in
+++ b/sh/rc-functions.sh.in
@@ -86,6 +86,27 @@ get_bootparam()
 }
 
 # Called from openrc-run.sh or gendepends.sh
+_get_containers() {
+	local c
+	case "${RC_UNAME}" in
+	FreeBSD)
+		c="-jail"
+		;;
+	Linux)
+		c="-docker -lxc -openvz -rkt -systemd-nspawn -uml -vserver"
+		;;
+	esac
+	echo $c
+}
+
+_get_containers_remove() {
+	local c
+	for x in $(_get_containers); do
+		c="${c}!${x} "
+	done
+	echo $c
+}
+
 _depend() {
 	depend
 	local _rc_svcname=$(shell_var "$RC_SVCNAME") _deptype= _depends=