Avoid warning about SCCS folders in libraries, just ignore them. Fixes #70

Signed-off-by: Federico Fissore <f.fissore@arduino.cc>

Author: Federico Fissore

src/arduino.cc/builder/libraries_loader.go

@@ -152,7 +152,9 @@ func makeNewLibrary(libraryFolder string, debugLevel int, logger i18n.Logger) (*
 	if debugLevel > 0 {
 		for _, subFolder := range subFolders {
 			if utils.IsSCCSOrHiddenFile(subFolder) {
-				logger.Fprintln(os.Stderr, constants.MSG_WARNING_SPURIOUS_FILE_IN_LIB, filepath.Base(subFolder.Name()), properties[constants.LIBRARY_NAME])
+				if !utils.IsSCCSFile(subFolder) && utils.IsHiddenFile(subFolder) {
+					logger.Fprintln(os.Stderr, constants.MSG_WARNING_SPURIOUS_FILE_IN_LIB, filepath.Base(subFolder.Name()), properties[constants.LIBRARY_NAME])
+				}
 			}
 		}
 	}

src/arduino.cc/builder/utils/utils.go

@@ -184,11 +184,22 @@ func FilterFilesWithExtension(extension string) filterFiles {
 var SOURCE_CONTROL_FOLDERS = map[string]bool{"CVS": true, "RCS": true, ".git": true, ".svn": true, ".hg": true, ".bzr": true}
 
 func IsSCCSOrHiddenFile(file os.FileInfo) bool {
+	return IsSCCSFile(file) || IsHiddenFile(file)
+}
+
+func IsHiddenFile(file os.FileInfo) bool {
 	name := filepath.Base(file.Name())
 
 	if name[0] == '.' {
 		return true
 	}
+
+	return false
+}
+
+func IsSCCSFile(file os.FileInfo) bool {
+	name := filepath.Base(file.Name())
+
 	if SOURCE_CONTROL_FOLDERS[name] {
 		return true
 	}