Add -A option.
 [rsc] --rw-rw-r-- M 374841 glenda sys 3202 Nov 28 07:25 sys/man/4/import
	/n/sourcesdump/2005/1128/plan9/sys/man/4/import:61,66 - 
	/n/sourcesdump/2005/1129/plan9/sys/man/4/import:61,70
	  .I file
	  is a directory.
	  .TP
	+ .B -A
	+ Skip the authentication protocol.
	+ This is useful for connecting to foreign systems like Inferno.
	+ .TP
	  .B -B
	  Run in ``backwards'' mode, described below.
	  .TP
 [rsc] --rw-rw-r-- M 374841 glenda sys 7028 Nov 28 07:25 sys/src/cmd/import.c
	/n/sourcesdump/2005/1128/plan9/sys/src/cmd/import.c:23,28 - 
	/n/sourcesdump/2005/1129/plan9/sys/src/cmd/import.c:23,29
	  char		*aan = "/bin/aan";
	  AuthInfo 	*ai;
	  int		debug;
	+ int		doauth = 1;
	  
	  int	connect(char*, char*, int);
	  int	passive(void);
	/n/sourcesdump/2005/1128/plan9/sys/src/cmd/import.c:74,79 - 
	/n/sourcesdump/2005/1129/plan9/sys/src/cmd/import.c:75,83
	  	oldserver = 0;
	  	mntflags = MREPL;
	  	ARGBEGIN{
	+ 	case 'A':
	+ 		doauth = 0;
	+ 		break;
	  	case 'a':
	  		mntflags = MAFTER;
	  		break;
	/n/sourcesdump/2005/1128/plan9/sys/src/cmd/import.c:264,278 - 
	/n/sourcesdump/2005/1129/plan9/sys/src/cmd/import.c:268,284
	  	if((fd = dial(na, 0, dir, 0)) < 0)
	  		sysfatal("can't dial %s: %r", system);
	  
	- 	if(oldserver)
	- 		authp = "p9sk2";
	- 	else
	- 		authp = "p9any";
	+ 	if(doauth){
	+ 		if(oldserver)
	+ 			authp = "p9sk2";
	+ 		else
	+ 			authp = "p9any";
	+ 	
	+ 		ai = auth_proxy(fd, auth_getkey, "proto=%q role=client %s", authp, keyspec);
	+ 		if(ai == nil)
	+ 			sysfatal("%r: %s", system);
	+ 	}
	  
	- 	ai = auth_proxy(fd, auth_getkey, "proto=%q role=client %s", authp, keyspec);
	- 	if(ai == nil)
	- 		sysfatal("%r: %s", system);
	- 
	  	n = write(fd, tree, strlen(tree));
	  	if(n < 0)
	  		sysfatal("can't write tree: %r");
	/n/sourcesdump/2005/1128/plan9/sys/src/cmd/import.c:295,300 - 
	/n/sourcesdump/2005/1129/plan9/sys/src/cmd/import.c:301,310
	  {
	  	int fd;
	  
	+ 	/*
	+ 	 * Ignore doauth==0 on purpose.  Is it useful here?
	+ 	 */
	+ 
	  	ai = auth_proxy(0, auth_getkey, "proto=p9any role=server");
	  	if(ai == nil)
	  		sysfatal("auth_proxy: %r");
	/n/sourcesdump/2005/1128/plan9/sys/src/cmd/import.c:314,320 - 
	/n/sourcesdump/2005/1129/plan9/sys/src/cmd/import.c:324,330
	  void
	  usage(void)
	  {
	- 	fprint(2, "usage: import [-abcC] [-E clear|ssl|tls] [-e 'crypt auth'|clear] [-k keypattern] [-p] host remotefs [mountpoint]\n");
	+ 	fprint(2, "usage: import [-abcC] [-A] [-E clear|ssl|tls] [-e 'crypt auth'|clear] [-k keypattern] [-p] host remotefs [mountpoint]\n");
	  	exits("usage");
	  }