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merge

--- a/sys/man/4/cwfs

+++ b/sys/man/4/cwfs

@@ -6,6 +6,9 @@

 [

 .B -csC

 ] [

+.B -n

+.I service

+] [

 .B -a

 .I announce-string

 ] ... [

@@ -54,7 +57,7 @@

 .BI /srv/ name\f1 .cmd,

 where

 .I name

-is the service name. 

+is the service name.

 .PP

 Options are:

 .TP

@@ -90,6 +93,11 @@

 .B -c

 enter the file server's configuration mode

 before starting normal operation.

+.TP

+.B -n

+overrides the 

+.I service

+name of the file server's configuration.

 .TP

 .B -s

 Post file descriptor zero in

--- a/sys/src/cmd/cwfs/main.c

+++ b/sys/src/cmd/cwfs/main.c

@@ -279,7 +279,7 @@

 void

 usage(void)

 {

-	fprint(2, "usage: %s [ -csC ] [ -a ann-str ] [ -m dev-map ] [-f config-dev ]\n", argv0);

+	fprint(2, "usage: %s [ -csC ] [-n service] [ -a ann-str ] [ -m dev-map ] [-f config-dev ]\n", argv0);

 	exits("usage");

 }

@@ -305,6 +305,9 @@

 			exits("too many nets");

 		}

 		annstrs[nets++] = ann;

+		break;

+	case 'n':

+		strcpy(service, EARGF(usage()));

 		break;

 	case 's':

 		sfd = dup(0, -1);