Issue #150: VFS dirs showing incorrect files

I messed up the boolean logic for detecting values.

README.md

@@ -127,6 +127,11 @@ Sqlite3 libraries, their Go bindings and the Go language standard library.
 Release Notes
 =============
 
+v0.7.3
+------
+
+  * VFS directories were showing incorrect files and tags
+
 v0.7.2
 ------
 

src/github.com/oniony/TMSU/version/version.go

@@ -19,4 +19,4 @@ import (
 	"github.com/oniony/TMSU/common"
 )
 
-var Version = common.ParseVersion("0.7.2")
+var Version = common.ParseVersion("0.7.3")

src/github.com/oniony/TMSU/vfs/fusevfs.go

@@ -844,14 +844,14 @@ func (vfs FuseVfs) openTaggedEntryDir(tx *storage.Tx, path []string) ([]fuse.Dir
 	var valueNames []string
 	if lastPathElement[0] != '=' {
 		expression := pathToExpression(path[:len(path)-1])
-		files, err := vfs.store.FilesForQuery(tx, expression, "", false, false, "name")
+		files2, err := vfs.store.FilesForQuery(tx, expression, "", false, false, "name")
 		if err != nil {
 			log.Fatalf("could not query files: %v", err)
 		}
 
 		tagName := unescape(lastPathElement)
 
-		valueNames, err = vfs.tagValueNamesForFiles(tx, tagName, files)
+		valueNames, err = vfs.tagValueNamesForFiles(tx, tagName, files2)
 		if err != nil {
 			log.Fatalf("could not retrieve values for '%v': %v", tagName, err)
 		}
@@ -1108,7 +1108,7 @@ func pathToExpression(path []string) query.Expression {
 
 			elementExpression = query.ComparisonExpression{query.TagExpression{tagName}, "==", query.ValueExpression{valueName}}
 		} else {
-			if index+1 >= len(path) || path[index+1][0] == '=' {
+			if index+1 < len(path) && path[index+1][0] == '=' {
 				continue
 			}