Added charmap decoder in dep-file reader

Author: cmaglie

Diff for: internal/arduino/builder/internal/utils/utils.go

@@ -23,6 +23,7 @@ import (
 	f "github.com/arduino/arduino-cli/internal/algorithms"
 	"github.com/arduino/go-paths-helper"
 	"github.com/sirupsen/logrus"
+	"golang.org/x/text/encoding/charmap"
 	"golang.org/x/text/runes"
 	"golang.org/x/text/transform"
 	"golang.org/x/text/unicode/norm"
@@ -74,17 +75,32 @@ func ObjFileIsUpToDate(sourceFile, objectFile, dependencyFile *paths.Path) (bool
 		return false, nil
 	}
 
-	rows, err := dependencyFile.ReadFileAsLines()
+	readDepFileWithEncoding := func(mapping *charmap.Charmap) ([]string, error) {
+		data, err := dependencyFile.ReadFile()
+		if err != nil {
+			return nil, err
+		}
+
+		if mapping != nil {
+			decoded, err := mapping.NewDecoder().Bytes(data)
+			if err != nil {
+				return nil, err
+			}
+			data = decoded
+		}
+
+		rows := strings.Split(strings.Replace(string(data), "\r\n", "\n", -1), "\n")
+		rows = f.Map(rows, removeEndingBackSlash)
+		rows = f.Map(rows, strings.TrimSpace)
+		rows = f.Map(rows, unescapeDep)
+		return f.Filter(rows, f.NotEquals("")), nil
+	}
+
+	rows, err := readDepFileWithEncoding(nil)
 	if err != nil {
 		logrus.Debugf("Could not read dependency file: %s", dependencyFile)
 		return false, err
 	}
-
-	rows = f.Map(rows, removeEndingBackSlash)
-	rows = f.Map(rows, strings.TrimSpace)
-	rows = f.Map(rows, unescapeDep)
-	rows = f.Filter(rows, f.NotEquals(""))
-
 	if len(rows) == 0 {
 		return true, nil
 	}