cammount: quieter. and only exit when 'q' is pressed.

Change-Id: I2c8719490f977d14e526cd34672ce784589dd460

cmd/cammount/cammount.go

@@ -74,8 +74,13 @@ func main() {
 		sigc := make(chan os.Signal, 1)
 		go func() {
 			var buf [1]byte
-			os.Stdin.Read(buf[:])
-			log.Printf("Read from stdin; shutting down.")
+			for {
+				os.Stdin.Read(buf[:])
+				if buf[0] == 'q' {
+					break
+				}
+			}
+			log.Printf("Read 'q' from stdin; shutting down.")
 			sigc <- syscall.SIGUSR2
 		}()
 		waitc := make(chan error, 1)

dev-cammount

@@ -38,6 +38,7 @@ $ENV{"CAMLI_AUTH"} = "userpass:camlistore:pass3179";
 my $in_child = "false";
 if ($^O eq "darwin") {
     $in_child = "true";
+    print "############################################################################\n## Press 'q' <enter> to shut down.\n##\n";
 }
 
 exec("$cammount", "--mount_in_child=$in_child", "--server=http://localhost:3179/bs", $dir, @blobref_arg)
@@ -46,9 +47,7 @@ warn "Failed to unmount\n" unless try_unmount();
 
 sub try_unmount {
     if ($^O eq "darwin") {
-        print "Try unmount darwin...\n";
         unless (`df -n` =~ /\Q$dir\E/) {
-            print "Not mounted.\n";
             return 1;
         }
         print "Running: diskutil unmount force $dir ...\n";

pkg/fs/fs.go

@@ -301,7 +301,6 @@ func (fs *CamliFileSystem) Root() (fuse.Node, fuse.Error) {
 }
 
 func (fs *CamliFileSystem) Statfs(req *fuse.StatfsRequest, res *fuse.StatfsResponse, intr fuse.Intr) fuse.Error {
-	log.Printf("CAMLI StatFS")
 	// Make some stuff up, just to see if it makes "lsof" happy.
 	res.Blocks = 1 << 35
 	res.Bfree = 1 << 34

pkg/fs/root.go

@@ -90,6 +90,8 @@ func (n *root) Lookup(name string, intr fuse.Intr) (fuse.Node, fuse.Error) {
 		return n.getRootsDir(), nil
 	case "sha1-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx":
 		return notImplementDirNode{}, nil
+	case "mach_kernel", ".hidden", "._.":
+		return nil, fuse.ENOENT
 	}
 
 	br := blobref.Parse(name)