MFC r256775,r256776:

  Add support for "first boot" rc.d scripts.

  Document this new functionality in rc.conf(5) and rc(8).

  Bump __FreeBSD_version so that ports can make use of this.

Approved by:	re (gjb)

1 files changed, 18 insertions, 1 deletions

diff --git a/share/man/man5/rc.conf.5 b/share/man/man5/rc.conf.5
index 799f535..2a0f3ba 100644
--- a/share/man/man5/rc.conf.5
+++ b/share/man/man5/rc.conf.5
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 12, 2013
+.Dd October 19, 2013
 .Dt RC.CONF 5
 .Os
 .Sh NAME
@@ -3675,6 +3675,23 @@ and if
 is set to
 .Dq Li YES ,
 this specifies a list of additional iBCS2 loaders to enable.
+.It Va firstboot_sentinel
+.Pq Vt str
+This variable specifies the full path to a
+.Dq first boot
+sentinel file.
+If a file exists with this path,
+.Pa rc.d
+scripts with the
+.Dq firstboot
+keyword will be run on startup and the sentinel file will be deleted
+after the boot process completes.
+The sentinel file must be located on a writable file system which is
+mounted no later than
+.Va early_late_divider
+to function properly.
+The default is
+.Pa /firstboot .
 .It Va linux_enable
 .Pq Vt bool
 Set to