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ssh:add -r for extra raw mode

--- a/sys/man/1/ssh

+++ b/sys/man/1/ssh

@@ -8,6 +8,8 @@

 ] [

 .B -R

 ] [

+.B -r

+] [

 .B -t

 .I thumbfile

 ] [

@@ -67,7 +69,7 @@

 Without

 .IR cmd ,

 a shell is started on the remote side.

-When the

+In that case and when the

 .B $TERM

 environment variable is set (such as when started under

 a terminal emulator like

@@ -75,6 +77,10 @@

 a pseudo terminal will be requested for the shell.

 This can be disabled with the

 .B -R

+option.

+A pseudo-terminal can be requested in all cases

+with the

+.B -r

 option.

 .PP

 The

--- a/sys/src/cmd/ssh.c

+++ b/sys/src/cmd/ssh.c

@@ -1160,6 +1160,9 @@

 	case 'R':

 		raw = 0;

 		break;

+	case 'r':

+		raw = 2; /* bloody */

+		break;

 	case 'u':

 		user = EARGF(usage());

 		break;

@@ -1193,8 +1196,9 @@

 	for(cmd = nil; *argv != nil; argv++){

 		if(cmd == nil){

 			cmd = strdup(*argv);

-			raw = 0;

-		}else {

+			if(raw == 1)

+				raw = 0;

+		}else{

 			s = smprint("%s %k", cmd, *argv);

 			free(cmd);

 			cmd = s;