From e57a7947db6e84c34b5e57652aebdae87841ece6 Mon Sep 17 00:00:00 2001
From: hrs <hrs@FreeBSD.org>
Date: Sun, 2 Nov 2014 22:41:55 +0000
Subject: MFC r272974,272976:

Add ${name}_env and ${name}_prepend.  ${name}_env is an argument list which
will be passed to env(1).  ${name}_prepend is simply prepended to the command
line for $command.
---
 etc/rc.subr | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'etc/rc.subr')

diff --git a/etc/rc.subr b/etc/rc.subr
index 4b3fddf..6534f68 100644
--- a/etc/rc.subr
+++ b/etc/rc.subr
@@ -749,6 +749,8 @@ check_startmsgs()
 #				NOTE:	$flags from the parent environment
 #					can be used to override this.
 #
+#	${name}_env	n	Environment variables to run ${command} with.
+#
 #	${name}_fib	n	Routing table number to run ${command} with.
 #
 #	${name}_nice	n	Nice level to run ${command} at.
@@ -764,6 +766,8 @@ check_startmsgs()
 #				to run the chrooted ${command} with.
 #				Requires /usr to be mounted.
 #
+#	${name}_prepend	n	Command added before ${command}.
+#
 #	${rc_arg}_cmd	n	If set, use this as the method when invoked;
 #				Otherwise, use default command (see below)
 #
@@ -937,7 +941,8 @@ run_rc_command()
 	eval _chdir=\$${name}_chdir	_chroot=\$${name}_chroot \
 	    _nice=\$${name}_nice	_user=\$${name}_user \
 	    _group=\$${name}_group	_groups=\$${name}_groups \
-	    _fib=\$${name}_fib
+	    _fib=\$${name}_fib		_env=\$${name}_env \
+	    _prepend=\$${name}_prepend
 
 	if [ -n "$_user" ]; then	# unset $_user if running as that user
 		if [ "$_user" = "$(eval $IDCMD)" ]; then
@@ -1022,12 +1027,14 @@ run_rc_command()
 				_doit="\
 ${_nice:+nice -n $_nice }\
 ${_fib:+setfib -F $_fib }\
+${_env:+env $_env }\
 chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\
 $_chroot $command $rc_flags $command_args"
 			else
 				_doit="\
 ${_chdir:+cd $_chdir && }\
 ${_fib:+setfib -F $_fib }\
+${_env:+env $_env }\
 $command $rc_flags $command_args"
 				if [ -n "$_user" ]; then
 				    _doit="su -m $_user -c 'sh -c \"$_doit\"'"
@@ -1038,6 +1045,9 @@ $command $rc_flags $command_args"
 					fi
 					_doit="nice -n $_nice $_doit"
 				fi
+				if [ -n "$_prepend" ]; then
+					_doit="$_prepend $_doit"
+				fi
 			fi
 
 					# run the full command
@@ -2040,7 +2050,7 @@ check_kern_features()
 # check_namevarlist var
 #	Return "0" if ${name}_var is reserved in rc.subr.
 
-_rc_namevarlist="program chroot chdir flags fib nice user group groups"
+_rc_namevarlist="program chroot chdir env flags fib nice user group groups prepend"
 check_namevarlist()
 {
 	local _v
-- 
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