--- fuse-comp.pl	2007/07/09 11:12:48	13
+++ fuse-comp.pl	2007/07/09 13:33:13	15
@@ -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;
@@ -161,8 +162,9 @@
 		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);
+	warn ">>> after open [",-s $path, "]\n";
 	close($fh);
 
 	$pending->{$file}->{path} = $path;
@@ -243,7 +245,19 @@
 	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 +304,7 @@
 			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 {