--- fuse-comp.pl	2007/07/09 11:12:48	13
+++ fuse-comp.pl	2007/07/09 15:41:01	18
@@ -146,11 +146,12 @@
 		rdwr => $mode && O_RDWR,
 		append => $mode && O_APPEND,
 		create => $mode && O_CREAT,
+		trunc => $mode && O_TRUNC,
 	};
-	warn "# open( $file, $mode ) pending: ", $pending->{$file}->{open}, " mode: ", dump( $mode_desc ),"\n";
+	my $path = fixup($file);
+	warn "# open( $file, $mode ) pending: ", $pending->{$file}->{open}, " mode $mode: ", dump( $mode_desc )," $path [", -s $path, "]\n";
 	my $fh;
 
-	my $path = fixup($file);
 	my $tmp = $mount->{tmp} . '/' . $file;
 	if ( -e $tmp ) {
 		$path = $tmp;
@@ -161,7 +162,7 @@
 		file_copy( '<:gzip', $path, '>', $tmp );
 		$path = $tmp;
 	}
-	warn ">>> open abs path: $path [", -s $path, "]\n";
+	warn ">>> open abs path: $path [", -e $path ? -s $path : 'new' , "]\n";
 	return -$! unless sysopen($fh , $path, $mode);
 	close($fh);
 
@@ -202,7 +203,7 @@
 	return -ENOSYS() unless open($fh,'+<',$pending->{$file}->{path});
 	if($rv = seek( $fh ,$off,SEEK_SET)) {
 		$rv = print( $fh $buf );
-		warn "## ", $pending->{$file}->{path}, " $off ",length( $buf ), "\n" if $debug;
+		warn "## write ", $pending->{$file}->{path}, " $off ",length( $buf ), "\n" if $debug;
 	}
 	$rv = -ENOSYS() unless $rv;
 	close($fh);
@@ -217,9 +218,20 @@
 sub x_symlink { return symlink(shift,fixup(shift)) ? 0 : -$!; }
 
 sub x_rename {
-	my ($old) = fixup(shift);
-	my ($new) = fixup(shift);
-	my ($err) = rename($old,$new) ? 0 : -ENOENT();
+	my ($old,$new) = @_;
+	my $old_path = fixup($old);
+	my $new_path = fixup($new);
+	$new_path .= '.gz' if ( $old_path =~ m/\.gz$/ && $new_path !~ m/\.gz$/ );
+
+	my $err = rename($old_path,$new_path) ? 0 : -ENOENT();
+	warn "## rename( $old_path => $new_path ) = $err\n";
+
+	my $tmp = $mount->{tmp} . '/' . $old;
+	if ( -e $tmp ) {
+		my $new_tmp = $mount->{tmp} . '/' . $new;
+		rename $tmp, $new_tmp || confess "can't rename $tmp -> $new_tmp : $!";
+	}
+
 	return $err;
 }
 sub x_link { return link(fixup(shift),fixup(shift)) ? 0 : -$! }
@@ -243,7 +255,19 @@
 	return $err;
 }
 
-sub x_truncate { return truncate(fixup(shift),shift) ? 0 : -$! ; }
+sub x_truncate {
+	my ( $file,$size ) = @_;
+	my $path = fixup($file);
+	my $rv = truncate( $path, $size ) ? 0 : -$! ;
+	if ( $path =~ m/\.gz$/ ) {
+		my $no_gz = $path;
+		$no_gz =~ s/\.gz$//;
+		rename $path, $no_gz || confess "can't rename $path -> $no_gz: $!";
+	}
+	warn "## truncate( $file $size ) $path [", -s $path, "]\n";
+	$pending->{$file}->{write}++;
+	return $rv;
+}
 sub x_utime { return utime($_[1],$_[2],fixup($_[0])) ? 0:-$!; }
 
 sub x_mkdir { my ($name, $perm) = @_; return 0 if mkdir(fixup($name),$perm); return -$!; }
@@ -290,6 +314,7 @@
 			file_copy( '<', $path, '>:gzip', $dest . '.gz' );
 
 			# FIXME add timeout to remove uncompressed version?
+			# FIXME leave uncompressed file if smaller than compressed
 			unlink $path || warn "can't remove $path: $!";
 		}
 	} else {