Allow !net to remove the net provision from dependencies.

etc/rc.conf

@@ -85,9 +85,14 @@ net_fs_list="afs cifs coda davfs fuse gfs ncpfs nfs nfs4 ocfs2 shfs smbfs"
 #rc_use="net.eth0"
 #rc_after="clock"
 #rc_before="local"
+#rc_provide="!net"
 
 # You can also enable the above commands here for each service. Below is an
 # example for service foo.
 #rc_foo_config="/etc/foo"
 #rc_foo_need="openvpn"
 #rc_foo_after="clock"
+
+# You can also remove dependencies.
+# This is mainly used for saying which servies do NOT provide net.
+#rc_net_tap0_provide="!net"

man/runscript.8

@@ -114,7 +114,8 @@ will start and stop it in the right order in relation to other services.
 As it's a function it can be very flexable, see the example below.
 Here is a list of the functions you can use in a
 .Ic depend
-function. You simply pass the names of the services to it.
+function. You simply pass the names of the services to it to add to that
+dpendency type, or prefix it with ! to remove it.
 .Bl -tag -width "RC_DEFAULTLEVEL" 
 .It Ic need
 The service will refuse to start until needed services have started and it

src/librc/librc-depend.c

@@ -833,6 +833,12 @@ bool rc_deptree_update (void)
 			    depend[len - 1] == 'h')
 				continue;
 			
+			/* Remove our dependency if instructed */
+			if (depend[0] == '!') {
+				rc_strlist_delete (&deptype->services, depend + 1);
+				continue;
+			}
+
 			rc_strlist_addsort (&deptype->services, depend);
 
 			/* We need to allow `after *; before local;` to work.