format code with gofmt

pkg/database/database.go

@@ -8,20 +8,20 @@ import (
 )
 
 type Database struct {
-	sqlConn *sql.DB
-	stmt    *Stmt
+	sqlConn          *sql.DB
+	stmt             *Stmt
 	singleThreadLock SingleThreadLock
 }
 
 func NewSingleThreadLock(enabled bool) SingleThreadLock {
 	return SingleThreadLock{
-		lock: sync.Mutex{},
+		lock:    sync.Mutex{},
 		enabled: enabled,
 	}
 }
 
 type SingleThreadLock struct {
-	lock sync.Mutex
+	lock    sync.Mutex
 	enabled bool
 }
 
@@ -54,8 +54,8 @@ func NewDatabase(dbName string, singleThread bool) (*Database, error) {
 
 	// new database
 	database := &Database{
-		sqlConn: sqlConn,
-		stmt:    stmt,
+		sqlConn:          sqlConn,
+		stmt:             stmt,
 		singleThreadLock: NewSingleThreadLock(singleThread),
 	}
 

pkg/database/error.go

@@ -5,6 +5,6 @@ import (
 )
 
 var (
-	ErrNotFound = errors.New("object not found")
+	ErrNotFound    = errors.New("object not found")
 	ErrTagNotFound = errors.New("tag not found")
 )

pkg/database/method_tag.go

@@ -57,7 +57,7 @@ func (database *Database) GetTags() ([]*Tag, error) {
 	return tags, nil
 }
 
-func (database *Database) UpdateTag(tag *Tag) (error) {
+func (database *Database) UpdateTag(tag *Tag) error {
 	database.singleThreadLock.Lock()
 	defer database.singleThreadLock.Unlock()
 

pkg/database/sql_stmt.go

@@ -759,7 +759,7 @@ func NewPreparedStatement(sqlConn *sql.DB) (*Stmt, error) {
 	if err != nil {
 		return nil, err
 	}
-	
+
 	// init updateFilename
 	stmt.updateFilename, err = sqlConn.Prepare(updateFilenameQuery)
 	if err != nil {